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TW200525066A - Sandbag and waterproof dike - Google Patents

Sandbag and waterproof dike Download PDF

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Publication number
TW200525066A
TW200525066A TW93140569A TW93140569A TW200525066A TW 200525066 A TW200525066 A TW 200525066A TW 93140569 A TW93140569 A TW 93140569A TW 93140569 A TW93140569 A TW 93140569A TW 200525066 A TW200525066 A TW 200525066A
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TW
Taiwan
Prior art keywords
water
bag
bag body
sand
open
Prior art date
Application number
TW93140569A
Other languages
Chinese (zh)
Inventor
Hiroyuki Kida
Original Assignee
Hiroyuki Kida
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Publication date
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Publication of TW200525066A publication Critical patent/TW200525066A/en

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Classifications

    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02BHYDRAULIC ENGINEERING
    • E02B3/00Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
    • E02B3/04Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
    • E02B3/10Dams; Dykes; Sluice ways or other structures for dykes, dams, or the like
    • E02B3/106Temporary dykes
    • E02B3/108Temporary dykes with a filling, e.g. filled by water or sand
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02BHYDRAULIC ENGINEERING
    • E02B3/00Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
    • E02B3/04Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
    • E02B3/12Revetment of banks, dams, watercourses, or the like, e.g. the sea-floor
    • E02B3/122Flexible prefabricated covering elements, e.g. mats, strips
    • E02B3/127Flexible prefabricated covering elements, e.g. mats, strips bags filled at the side

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Revetment (AREA)

Abstract

A sandbag enabling a reduction in the deformed amount of the surface of a bag body in the expansion of water absorbents, comprising the bag body (2) having a closed chamber (3) storing the water absorbents (5) expanded in volume by absorbing water and an open chamber (4) in which a space is formed adjacent to the closed chamber (3). The inner surfaces (7) of the closed chamber (3) are swelled toward the inside space of the open chamber (4) according to the expansion of the water absorbents (5) to diffuse the expansion force of the water absorbents (5). Accordingly, the swelling of the outer surfaces (3a) of the closed chamber (3) can be suppressed, and the swelled amounts of the upper and lower surfaces (2a) and (2b) of the bag body (2) can also be reduced.

Description

200525066 九、發明說明: 【發明所屬之技術領域】 本發明主要係一種有關於水災時使用的砂包和利用砂包 構成的擔水堤。 其特徵在於一袋體内,藉由吸水劑取代土壤以吸收水份 的砂包(砂包代用袋)以及擋水堤。 【先前技術】 習知’此類型砂包,其袋體(袋)係以透水性的布狀材料 所構成,並將其内部有填充吸水劑(高吸水份性樹脂物)的 石&gt; 包表面角落處和表面大致中央處分別打孔,這些表面的 孔和相對應的内面孔藉由筒狀布狀材料連通,將上述砂包 堆積在地面之後,將鐵栓、鐵條或鐵樁插通各自角落處及 中央貝通孔,且將其前端敲入地面,或者是不設置上述貫 通孔,將安裝於各角落以繩子連結彼此鄰接的砂包,同時 將外側砂包繩子與敲入地面的鐵栓相連結固定,或者是在 堆積的砂包上覆蓋網子,並將網子周·圍用鐵栓固定,藉 此,即使吸水體在吸收水份後的比重和水一樣時,亦能^ 承叉住水的壓力而不會流失。(例如··參照特許文獻1 :特 開昭63-75208號公報(第丨一頁、第1圖_第5圖) 且,袋體的内部係、裝填具有吸收水份後體積會膨脹的吸 水劑(吸水性聚合物),透過袋體的布吸水後在袋體内膨 脹,即使堆積該袋體時,其上下面也不會呈現凸起,上下 因為平坦面,故可持續堆積(例如:參照特許文獻2:特開 2〇〇(Μ〇3424 號公報(第 1-3頁、圖 ^3)。 98516.doc 200525066 (本發明所要解決之課題) 習知之此類砂包,將栓或樁敲入貫通孔之後一體化,或 用、骚子、、罔等將砂包一體連結,隨著水份的吸收,則各自 的砂包的比重會和水的比重一樣&amp;無任何改變,浮力為在 水中發揮作用,因此會藉由流水的影響浮動而偏離原處, 結果會容易地在各個砂包之間產生極大的縫隙,而無法完 全防止滲水。 因此’如習知心去,只堆積砂包來築成撞水土是’則有必 要採取滲水等的對策或必須要再重新堆彻,對於激流則無 法迅速應對處理。 另外,如專敎獻2,藉由吸水劑的財讓袋體膨服的 情形’為使砂㈣實能發揮作用,而多放了吸水劑,但吸 水劑-膨脹,則袋體的上下面和外側面會膨脹出,各自像 球面狀扭曲’鄰接的砂包之間產生的縫隙則構成滲水原 因’同時堆積的砂包也容易崩塌。 而且吸水劑過於膨脹則花在袋體的材料亦會造成多餘的 負擔,若膨脹的袋體-有些微的衝擊或負重的話,則會發 生破裂。 【發明内容】 之發明,其目的係減 ’其目的係提供不會 本發明如申請專利範圍第1項所述 少吸水劑膨脹時袋體表面的變形。 如申睛專利範圍弟2項所述之發明 因流水份影響而造成位置偏離的砂包 士申明專利靶圍第3項所述之發明,其目的係提供對於 98516.doc 200525066 激流能夠迅速應對並可作為擋水堤。 (解決課題的手段) 如申味專利範圍第1項所述之發 為達到上述的目的 明,其特徵為袋體具備收納吸收水份 认&amp;切後體積會膨脹的吸水 劑之密閉室,及鄰接此密閉室而内 μ σ卩形成有空間之開放 室,隨著上述吸水劑的膨脹,使密閉室的内側面朝向開放 室的内部空間膨脹凸出’而至少能抑止密閉室的外側面膨 服出。 如申請專利範圍第2項所述之發明,其特徵為袋體具備 收納吸水劑之㈣室,及鄰接此㈣室而朝向外部開口之 開放室,於此開放室的下方,具備可支撐重量物且可以敲 入棒狀物而戳破之承受面。 此處所述之重®物」,係指在現場可較容易取得 之土砂。 如申請專利範圍第3項之發明其特徵為係利用申請專利 範圍1和2的砂包來構成者。 (發明的效果) 本發明中記載於申請專利範圍第丨項之發明,具備收容 可吸收水份而膨脹其體積的吸水劑之密閉室,和鄰接此密 閉室而内部形成有空間的開放室,隨著上述吸水劑的膨 脹,密閉室的内側面會面朝開放室的内部空間膨脹凸出, 、J吸X J的%脹力會分散,密閉室的外側面的膨脹則會受 到控制’同時袋體的上下面的膨脹量也會減少。 因此’可減少吸水劑膨脹時袋體表面的變形量。 98516.doc 200525066 其結果’能減少鄰接砂包陴 y匕隙縫間的滲水,堆積的砂包也 不谷易朋羽’能夠減少重堆 同時對於袋體材料的 負重也相對減少,蕤出 . 稭由吸水劑5的膨脹,跟習知之方法: 只在袋體的外側面和上下而I 、 取脹出的袋體相較之下,膨脹 袋體則吸收衝擊和負重,gp你如j s 、 卩使粗暴的對待袋體也難以破 裂。 如申請專利範圍第2項所述之 ? ^ Ά 其裊體具備了收納 吸水㈣的始、閉室,和鄰接此资 山閉至面而朝外部開口的開放 室,而此開放室的下方,1供 卜万具備了可支撐重量物和可敲入棒 狀物而戳破的承受面,此時, 牙 在此承受面卜去恃幸吾物 時,在袋體及吸水劑# f f Η ㈣重里上加上重量物的重量,使得砂 包全體的比重和水份比較之土 之下延延大於水,因此,即使浮 力在水中產生作用,砂包全體 々个日屋生汙動,而且因敲 入棒狀物戳破上述承受面時 Μ Ρ ^ 又面時,稭由與棒狀物的卡合關係, 承受面不會上下移動,即你大 ρ使在〇㈣m 體亦不會浮動。 因此,本案發明可以提供一 不會文到流水影響而產生位 置偏離的砂包。 其結果’藉由吸收水份,盘 曰女 ,、白知之和水有同樣比重且容 易產生位置偏離的砂包相較夕 〈下,本案發明之砂包,因砂 包位置偏離所造成之相鄰接的 y包間的大縫隙的發生會大 大地降低,因此能夠確實防止滲水問題。 故,發生水災時能以少數勞力快速的舖設。 且,於使用後要撤走砂包眸 m ^ ^ τ ’因重量物收納於承受面 98516.doc 200525066 所乂僅而i個移動砂包並上下翻轉就可排出重量物, 其作業非常簡單。 如申請專利範圍第3項之發明,係利用如中請專利範圍 第1或第2項所述之砂包來構成,藉此所堆積的砂包在水中 不會浮動且能確實定位。 因此,對於激流能夠提供迅速且應對的擋水堤。 【實施方式】 (實施此發明的最佳狀態) 本發明的砂包1,如圖1〜圖6所示,係由具有透水性和通 氣性的材料所形成的袋體2構成,其内部具備了密閉室3 , 和與密閉室3鄰接而在内部形成有空間且朝向外部開口的 開放室4,此密閉室3内裝入吸收水份會膨脹體積的吸水劑 5,上述開放室4的下方,設置有可支持由該開放室4的開 口 6投入内部空間的重量物10,以及可敲入棒、樁等前端 為尖頭的棒狀物12而戳破的承受面4a。 上述袋體2為以吸收水份後的吸水劑5無法通過之例如不 織布之類纖維縫製袋體,或者利用黏接其他的材料等手法 構成立體形狀’保存或輸送等不用時如圖2(a)所示,該袋 體2之側面2c或如後述之間隔壁7會折疊成平面狀,使用時 如圖2(b)所示,後述的吸水劑5藉由吸收水份體積會膨脹而 成立體狀。 圖式例中,膨脹時將袋體2的外形設成直方體形,將開 放室4的開口 6設成矩形,將袋體2的平面狀設成三角形、 菱形、梯形等多角形,也可設成略T型、略η型、略L型、 98516.doc 200525066 4的開口 6的平面 略z型、略十型等,隨此也可以將開放室 形變更矩形以外形狀。 且’上述袋體2的内部,如圖!⑷〜(c)所示,裝設間隔壁 7,區開成複數空Μ ’而切開這些空間的方法,可將新的 布料縫在袋體2的内部,或直接縫製袋體2的表面和内面等 有多種選擇’但各空間必須完全區隔無法和其他空間連接 通連。 而上述空間中至少區分一區稱做密閉室3,此密閉室3全 面被袋體2和間隔壁7所包圍,所以固體物無法從外部進 來0 而密閉室3以外的空間稱做開放室4,此開放室4也被袋 體2和間隔壁7所包圍,但袋體2一部份開口和外部相通。 隔離上述密閉室3和開放室4的間隔壁7,必須具有在嚴 酷條件使用下也不會發生破損的充分的強度,與袋體2之 間的接合亦不可有縫隙或缺口產生。 上述密閉室3為袋體2和間隔壁7所包圍的封閉空間,水 份和空氣能自由通過内外,其内部則放有吸水劑5。 此吸水劑5包含吸收水份或海水等之前後容積會有很大 變化之例如高分子聚合物等,若為粉末狀的情形下,為求 容易處理,會放置於紙製小袋中,並藉由黏著膠帶、漿 糊、釘書機等習知的固定方法固定在密閉室3内的既定 處’當吸收水份膨脹後會撐破小袋,能持續膨脹擴大。 且,膨脹後的吸水劑5像瓊膠般柔軟者,密閉室3内部形 狀即使為複雜空間,亦能將各處角落填滿。 98516.doc -10- 200525066 另一方面’上述開放室4由間隔壁7和袋體2側面2C所包 圍,其上面則設有通到袋體2外部的開口(投入口)6。 圖示例中,開放室4的開口 6雖沒有加蓋構造,但必要時 可使用紐扣或拉鍊,而設置可拆裝之蓋子。 且,上述開放室4的下方設有覆蓋其之承受面“,於圖 示中,以έ亥承叉面4a覆蓋開放室4的底面,但亦能將承受 面4a配置於較上方處。 而此承X面4a上方,於由上述開口 6投入後述之重量物 10時,該重量物10可被支撐而裝滿於開放室4的内部。 上述重量物10不僅是易發生水災的地方容易調度取得的 土砂,除此之外,比重比水重的東西亦能替代取用。 且對於上述承又面4a,敲入樁等前端為尖頭的棒狀物 12將之戳破時,藉由此些承受面4a和棒狀㈣間的摩擦卡 合,該承受面4a能夠被保持於上下方向不動。 因此上述承受面4a’能夠將土砂等重量物1〇收在開放室 、卩且可不限於不織布等纖維,例如亦可以網等加 以覆蓋’同時為了增加與被打入之樁等棒狀物以摩擦阻 力’並可於樁等棒狀物12的外周面朝軸方向形成複數個凹 上述袋體2的上下兩面。、孔,形成有 防止滑落之止滑部8,可確保地表面和其他砂包] '刀的摩擦力,而更能強力地對抗水流。 此止滑部8之具體型態,如圖所示, 橡膠製半球狀突起等方法,但只要能具有相當料Π 98516.doc 200525066 他形狀亦可使用。 且上述差體2的端部,具備了與其他砂包丨的連結手段 9,如圖示中的繩子、魔鬼氈貼帶(Velcro ,因 此亦能夠和其他砂包1連結。 在使用本案發明之砂包1時,運送至水災現場後,如圖1 考圖2(b)所不,以開放室4的開口 6朝上而將袋體2擺在浸水 的地面上,袋體2吸收之水份接觸到吸水劑5,所以吸水劑 5膨脹而將密閉室3全體推展開來,比鄰的開放室4其内部 空洞亦膨脹,最後袋體2全體膨脹成立體狀。 此時,隨著上述吸水劑5的膨脹,如圖2⑻的二點假想 線所不’至少密閉室3的外側面3a朝夕卜方膨脹出的同時, 該密閉室3的内側面之間隔壁7也朝開放室4的内部空間膨 服0 藉此,吸水劑5的膨脹力則會分散,不僅密閉室枓側面 3a的膨脹量受到壓和p ’袋體2的上下面仏、几的膨脹量也 可減少。 因此密閉室3的内側面,即間隔壁7的表面積越廣,能夠 減少密閉室3的外側面3a及袋體2上下面“、几的膨脹量, 因此有必要儘可能地擴展密閉室3的開口面積。 ^其結果,於吸水劑5膨脹時’因減少袋體2表面的變形 量’與比鄰的砂包1之間難以產生縫隙,同時對於構成袋 體2的不織布等材料的荷重也能夠減少, 結果,其性能提高2倍以上。 當吸水劑5膨脹的階段,袋體2可發揮 私评V巴1的功能,但 98516.doc -12- 200525066 膨脹後的吸水劑2的比重和水差不多,故在水中會受到浮 力的作用,容易被沖走,故為對抗激流,有更增加重量的 必要。 故本發明甲,當吸水劑5膨脹後,將其附近所取得之土 砂等重量物10,用鏟子11由開口(投入口)6裝入開放室4内 的空間,則由於土砂具有水數倍的比重,所以可迅速增加 砂包1的重量。200525066 IX. Description of the invention: [Technical field to which the invention belongs] The present invention mainly relates to a sand bag used in a flood and a water-loading bank formed by using the sand bag. It is characterized by a sand bag (a sand bag replacement bag) and a water retaining bank that replace the soil with a water-absorbing agent to absorb water. [Prior art] It is known that this type of sand bag, the bag body (bag) is made of a water-permeable cloth-like material, and the inside is filled with a water-absorbing agent (highly water-absorbent resin) stone &gt; bag Holes are made at the corners of the surface and at the approximate center of the surface. The holes on these surfaces and the corresponding inner faces are connected by a cylindrical cloth-like material. After the sand bags are stacked on the ground, iron bolts, bars, or piles are inserted. Pass the corners and the central bethle holes and knock the front end into the ground, or without the above-mentioned through holes, connect the sand bags adjacent to each other with ropes at each corner, and knock the outer sand bag ropes into the ground The iron plugs are connected and fixed, or the nets are covered with stacked sand bags, and the nets are surrounded and fixed with iron plugs, so that even if the specific gravity of the absorbent body after absorbing water is the same as water, Able to bear the pressure of water without losing it. (For example, refer to Patent Document 1: JP-A-63-75208 (Page 丨, Figures 1 to 5)) The inner part of the bag body is filled with water absorbent that expands after absorbing water. Agent (water-absorbent polymer), which swells in the bag body after absorbing water through the cloth of the bag body. Even when the bag body is stacked, the upper and lower surfaces of the bag body will not appear convex. Refer to Patent Document 2: Japanese Patent Application Laid-Open No. 2000 (M03424 (Pages 1-3, Figure ^ 3). 98516.doc 200525066 (Problems to be Solved by the Present Invention) Such sand bags, which are known, will be bolted or After the pile is knocked into the through hole, it is integrated, or the sand bag is integrated with one another, such as, zi, 罔, and so on. With the absorption of water, the specific gravity of the respective sand bag will be the same as the specific weight of water &amp; Buoyancy works in water, so it will deviate from the original place by the influence of flowing water. As a result, it will easily create a huge gap between each sand bag, and it cannot completely prevent water seepage. Therefore, 'as you know, only pile up Sand bags to build into water and soil are 'then necessary to take infiltration The countermeasures such as water may need to be recompiled again, and the rapids cannot be dealt with promptly. In addition, if it is dedicated 2, the bag is swollen with the property of the water absorbing agent. And more water absorbent was put, but the water absorbent-swelled, the upper and lower sides and the outer side of the bag will expand, and each of them will be spherically distorted. 'The gap between the adjacent sand bags constitutes the cause of water seepage.' Sand bags are also easy to collapse. And if the water absorbent is over-expanded, the material used in the bag body will cause an unnecessary burden. If the expanded bag body is slightly impacted or loaded, it will rupture. [Abstract] Invention of the invention Its purpose is to reduce its purpose. It aims to provide that the surface of the bag will not deform when the water-absorbing agent of the present invention expands as described in item 1 of the patent application scope. The invention described in item 2 of the patent application scope is affected by water flow The purpose of the invention described in Item 3 of the patent target range that caused the position deviation is to provide rapid response to 98516.doc 200525066 rapids and serve as a water barrier. (Solutions to solve the problem As stated in item 1 of the patent application, in order to achieve the above-mentioned purpose, it is characterized in that the bag body has a closed chamber containing a water absorbing agent that absorbs moisture and expands after cutting, and is adjacent to this closed chamber. The inner μ σ 卩 forms an open room with a space. With the expansion of the water absorbing agent, the inner side of the closed room expands and protrudes toward the inner space of the open room, and at least the outer side of the closed room can be prevented from swelling. The invention described in item 2 of the scope of the patent application is characterized in that the bag body includes a chamber for absorbing water absorbent, and an open chamber adjacent to the chamber and opening to the outside. Below the open chamber, a heavy object can be supported and The bearing surface that can be broken by knocking in a rod. The "heavy material" mentioned here refers to the soil and sand that can be easily obtained on site. For example, the invention claimed in item 3 of the scope of patent application is characterized by using the sand bags of the scope of application patents 1 and 2. (Effects of the Invention) The invention described in the scope of patent application of the present invention includes a closed chamber that contains a water-absorbing agent capable of absorbing water and expanding its volume, and an open chamber adjacent to the closed chamber and having a space formed inside, With the expansion of the water absorbing agent, the inner side of the closed chamber will expand and protrude toward the inner space of the open chamber, and the% expansion force of J and XJ will be dispersed, and the expansion of the outer side of the closed chamber will be controlled. The amount of swelling above and below the body will also decrease. Therefore, the amount of deformation of the surface of the bag body when the water-absorbing agent is expanded can be reduced. 98516.doc 200525066 The result 'can reduce the water seepage between the adjacent sand bags and y dagger gaps, and the piled sand bags are not valley-friendly and easy to feather' can reduce the heavy pile and reduce the load on the bag material, and scoop out the straw. The expansion of agent 5 is in accordance with the conventional method: only on the outer side of the bag body and above and below, I, taking the swelled bag body, the expansion bag body absorbs impact and load, gp you as js, 卩 make rough It is also difficult to break the bag body. As described in item 2 of the scope of patent application? ^ Ά The carcass is equipped with a starting and closing room for absorbing water puppets, and an open room adjacent to this mountain closed to the outside and opening to the outside. Below this open room, 1 The supply side has a bearing surface that can support heavy objects and can be punctured by sticking into a rod. At this time, when the teeth are on the bearing surface and go to luck, the bag body and the absorbent # ff Η ㈣ 重 里Adding the weight of the heavy object makes the specific gravity of the sand bag as a whole more than that of the water compared to the soil. Therefore, even if the buoyancy acts in the water, the whole sand bag will be dirty for a day, and due to knocking When the rod-shaped object breaks through the receiving surface MP ^ and the surface, the engagement relationship between the straw and the rod-shaped object will not move up and down, that is, your large ρ will not float in the body of 0㈣m. Therefore, the invention of the present invention can provide a sand bag that is not affected by the flow of water and causes a position deviation. As a result, 'by absorbing moisture, Pan Yue Nu, Bai Zhizhi and water have the same specific gravity and are prone to position deviation compared with sand bags. <Next, the sand bag of the present invention is caused by the deviation of the position of the sand bag. Since the occurrence of a large gap between adjacent y packs is greatly reduced, it is possible to surely prevent the water seepage problem. Therefore, when a flood occurs, it can be quickly laid with a small amount of labor. And, after use, the sand bag m ^ ^ τ ′ is removed because the weight is stored on the bearing surface 98516.doc 200525066. Only i moving sand bags can be turned upside down to discharge the weight. The operation is very simple. For example, the invention in the scope of patent application No. 3 is constructed by using the sand bag described in item No. 1 or 2 of the patent scope, so that the accumulated sand bag does not float in the water and can be accurately positioned. Therefore, it is possible to provide a rapid and responsive dam for rapids. [Embodiment] (The best state for carrying out the present invention) The sand bag 1 of the present invention, as shown in Figs. 1 to 6, is formed of a bag body 2 formed of a material having water permeability and air permeability. An airtight chamber 3 and an open chamber 4 adjacent to the airtight chamber 3 and having a space inside and opening toward the outside are filled. The airtight chamber 3 is filled with a water-absorbing agent 5 that absorbs moisture and expands the volume. A receiving surface 4a is provided that can support a weight 10 that is put into the internal space through the opening 6 of the open chamber 4, and can be punctured by knocking a stick 12 with a pointed tip such as a rod or a pile. The above-mentioned bag body 2 is a bag body sewn with a fiber such as a non-woven fabric that cannot be passed by the water-absorbing agent 5 after absorbing moisture, or a three-dimensional shape is formed by bonding other materials. ), The side surface 2c of the bag body 2 or the partition wall 7 as described later will be folded into a flat shape. As shown in FIG. 2 (b), the absorbent 5 described later will expand by absorbing the volume of water. Three-dimensional. In the illustrated example, the shape of the bag body 2 is set to be a cuboid shape, the opening 6 of the open chamber 4 is set to a rectangle, and the planar shape of the bag body 2 is set to a polygon such as a triangle, a rhombus, a trapezoid, or the like. The shape is slightly T-shaped, slightly η-shaped, slightly L-shaped, 98516.doc 200525066 4, and the plane of the opening 6 is slightly z-shaped, slightly ten-shaped, etc., and the shape of the open chamber can be changed to a shape other than a rectangle. And ‘the inside of the bag body 2 is shown in the figure! As shown in (~ (c), the partition wall 7 is installed, and the area is divided into a plurality of empty spaces M ′. The method of cutting these spaces can sew new fabrics inside the bag body 2, or directly sew the surface and inner surface of the bag body 2. There are many choices, but each space must be completely separated and cannot be connected to other spaces. At least one area in the above space is called a closed room 3. This closed room 3 is completely surrounded by the bag body 2 and the partition wall 7, so solid objects cannot enter 0 from the outside, and the space outside the closed room 3 is called an open room 4. The open room 4 is also surrounded by the bag body 2 and the partition wall 7, but a part of the bag body 2 is open to the outside. The partition wall 7 that separates the closed chamber 3 and the open chamber 4 must have sufficient strength that it will not break even under severe conditions, and there must be no gaps or gaps in the joint with the bag body 2. The above-mentioned closed room 3 is a closed space surrounded by the bag body 2 and the partition wall 7, and water and air can pass freely inside and outside, and a water-absorbing agent 5 is placed inside. This water absorbing agent 5 contains, for example, a macromolecular polymer that absorbs water or seawater and has a large volume change. If it is a powder, it will be placed in a paper pouch for easy handling and borrowed. It is fixed at a predetermined position in the closed chamber 3 by a conventional fixing method such as an adhesive tape, a paste, a stapler, and the like. When it absorbs water and swells, it will break through the pouch, which can continue to expand and expand. Moreover, the expanded absorbent 5 is as soft as agar, and the inside of the closed chamber 3 can fill the corners even if it is a complicated space. 98516.doc -10- 200525066 On the other hand, the above-mentioned open room 4 is surrounded by the partition wall 7 and the side surface 2C of the bag body 2, and an opening (input port) 6 is provided on the upper side thereof to the outside of the bag body 2. In the example shown in the figure, although the opening 6 of the open chamber 4 is not provided with a lid structure, a button or a zipper may be used when necessary, and a removable lid may be provided. In addition, a receiving surface covering the bottom of the open room 4 is provided below. In the figure, the bottom surface of the open room 4 is covered with a fork surface 4a, but the receiving surface 4a can also be disposed at an upper position. Above this X-bearing surface 4a, when a weight 10 to be described later is input through the opening 6, the weight 10 can be supported and filled inside the open room 4. The weight 10 is not only a place prone to floods, it is easy to dispatch In addition to the obtained soil and sand, things with a specific gravity greater than that of water can be used instead. And for the bearing surface 4a mentioned above, when a stick 12 with a pointed tip such as a knock-in pile is punctured, The frictional engagement between the receiving surfaces 4a and the rod-shaped cymbals can hold the receiving surfaces 4a in the up-down direction. Therefore, the receiving surfaces 4a 'can collect heavy objects such as soil and sand 10 in the open room, and can be used without limitation. Non-woven fabrics, for example, can be covered with a net or the like 'to increase frictional resistance with rods such as piles being driven' and a plurality of concave pockets can be formed on the outer peripheral surface of the rods 12 such as piles in the axial direction. The upper and lower sides of the body 2. The holes are formed to prevent The sliding-down anti-sliding part 8 can ensure the ground surface and other sand bags] 'knife friction, and it can more strongly resist the water flow. The specific form of this anti-sliding part 8 is shown in the figure, with rubber-shaped hemispherical protrusions And other methods, but they can also be used as long as they have a shape corresponding to 9898.doc 200525066. And the end of the above-mentioned difference body 2 is provided with a connecting means 9 with other sandbags, such as a rope and a devil felt in the illustration. Tape (Velcro), so it can also be connected to other sand bags 1. When using the sand bag 1 invented in this case, after being transported to the flood site, as shown in Figure 1 and Figure 2 (b), the opening 6 of the chamber 4 is opened. The bag body 2 is placed upwards on the submerged floor. The water absorbed by the bag body 2 contacts the water-absorbing agent 5. Therefore, the water-absorbing agent 5 expands and pushes the entire closed room 3 out. The adjacent open room 4 has a hollow inside. It also expands, and finally the entire bag body 2 expands to form a body shape. At this time, as the water absorbent 5 expands, as shown by the two-point imaginary line in FIG. 2 ′, at least the outer side 3a of the closed chamber 3 expands day and night. At the same time, the partition wall 7 on the inner side of the closed room 3 also faces the inside of the open room 4 Inflation 0 In this way, the expansion force of the water-absorbing agent 5 is dispersed, and not only the expansion amount of the side surface 3a of the closed chamber is compressed and the expansion amount of the upper and lower sides of the bag body 2 can also be reduced. Therefore, the closed chamber 3 The larger the inner surface of the partition wall 7, the larger the surface area of the partition wall 7, can reduce the expansion of the outer surface 3a of the hermetic chamber 3 and the upper and lower sides of the bag body 2. Therefore, it is necessary to expand the opening area of the hermetic chamber 3 as much as possible. ^ As a result, when the water absorbing agent 5 is inflated, a gap is difficult to be generated between 'the deformation amount on the surface of the bag body 2' and the adjacent sand bag 1, and the load on the materials such as the nonwoven fabric constituting the bag body 2 can be reduced. As a result, Its performance is increased by more than 2 times. When the water absorbing agent 5 is in the expansion stage, the bag body 2 can perform the function of the private evaluation V bar 1, but the specific gravity of the water absorbing agent 2 after expansion is similar to that of water, so in The water is subject to buoyancy and is easily washed away, so it is necessary to increase the weight in order to counter the rapids. Therefore, when the water absorbent 5 of the present invention swells, the soil and sand and other heavy objects 10 obtained in the vicinity thereof are filled into the space in the open room 4 through the opening (input port) 6 with a shovel 11 because the soil and sand have several times the water The specific gravity of sand bag 1 can be quickly increased.

藉由本發明的砂包1,即使在水中會受到浮力作用,砂 包1亦不會浮動,不因流水的影響而產生位置偏離。 此外,若不使用重量物10,而是以樁等棒狀物12敲入並 戳破上述承受面4a時,因和此棒狀物12的卡合,承受面牦 和袋體2會被壓住下方不動,故砂包丨亦不會因浮力的作用 而浮動’不會因流水的影響而產生位置偏離。With the sand bag 1 of the present invention, the sand bag 1 does not float even if it is subjected to buoyancy in water, and does not cause positional deviation due to the influence of flowing water. In addition, if the weight 10 is not used, but a rod 12 such as a pile is knocked in and punctured the receiving surface 4a, the receiving surface 牦 and the bag 2 will be pressed due to the engagement with the rod 12. Staying still does not move, so the sand bag will not float due to the buoyancy effect, and it will not be out of position due to the influence of flowing water.

結果,不管採用哪一種方式,皆不會發生因砂包i位置 偏離造成相鄰砂包丨間或地表面間產生極大的縫隙的情 形’故能確實防止渗水問題。 以下,藉由圖面加以說明本發明之各實施例。 (實施例1) 於實施例1中,如圖丨〜圖3所示,上述袋體2係形成為 使用時’至少其上下兩面2a、财膨脹成大致平行之長 體形狀膨脹’沿著其外緣環狀地構成密閉室3,而以密 室3包圍而構成被區隔之開放室4。 上:袋體2膨脹時,為使其上下兩面2a、2b幾乎維持 打狀態’較佳為以比其他面更厚實材料或更不易變形持 98516.doc -13- 200525066 形成上下兩面2a、2b ;使其較袋體2的側面2C或間隔壁7不 易彎曲。 因此,如圖1〜圖3所示的實施例丨,裝滿土砂等重量物 的開放室4被配置於袋體2之大致中央處,所以重量之平衡 優異,具有積滿重量物10之後可以容易搬運砂包丨,同時 在堆積砂包1時也不易崩塌的優點。 又如圖3所示,從上方敲入樁等棒狀物12而戳破開放室4 的底壁4 a,棒狀物丨2周遭則被開放室4内的重量物丨〇所包 圍,因此對於樁等棒狀物12,砂包丨整體定位而無法移 動’所以更能確實固定住砂包!。 再者,將本發明的砂包丨朝上下方向作一列堆積,所有 開放室4朝上下方向堆積配置,並敲入樁等棒狀物12而貫 通此些開放室4,穿插複數個砂包1使其一體化,則吸水劑 5不會因棒狀物12造成密閉室3的破裂而排出外部,可結合 各個矽包1將外力分散到廣大範圍,藉此可更增強抵抗 力,使韌性更強,而且若將這些堆積的各列砂包丨間用繩 子等連結手段9連結,則可簡單地構築出更堅固的擋水堤 A 〇 雖然於圖示例中,在袋體2大致中央處僅形成一開放室 4,但並不僅限於此,於此袋體2沿水平直線延長之情形 時,可於延長方向之適當間隔處,構成複數個開放室4。 (實施例2) 此貫施例2如圖4所示,係將密閉室3配置於上述袋體2之 車乂長方向之中央處’且開放室配置在兩側,因此以配置於 98516.doc 14 200525066 圖中虛線所示處配置的間隔壁7將袋體2内部分割,同時以 間隔壁7和袋體2側面2c包圍開放室4,開放室4分離至間隔 壁7與袋體2兩側端間,故各自具備了獨自開口(投入口 此構成和上述圖1〜圖3所示的實施例1相異,除此以外的構 成則與圖1〜圖3所示的實施例i相同。 因此,圖4所示的實施例2,除了有如上述圖丨〜圖3的實 施^所示的同樣作用效果外,更具有可將重量物1〇僅放 在早邊的開放室4,而另一邊則不放入重量物1〇而改以敲 入樁等棒狀物12般分擔I作,無填人重量物1()的_方敲入 樁等棒狀物12,能夠迅速完成作業的優點。 (實施例3) 此實施例3如圖5所示,係將開放室4配置於上述袋體2較 長方向之中央位置處,同時將密閉室3配置於其兩側之構 造,這些密閉室3因完全獨立,所以兩方則收容有吸水劑 5,此構造和上述圖1〜圖3的實施例!及如圖4所表示之實施 例2相異,但除此以外的構造則與上述圖丨〜圖3的實施例工 及圖4所示的實施例2相同。 因此,如圖5所示的實施例3,除了有與如上述圖丨〜圖3 所示實施例1同樣的作用效果,更具有藉由袋體2中央處全 部作為開放室4,可裝入重量物10之容積增加,並使砂包1 的重量增加,而可對抗更強烈的水流的優點。 (實施例4) 此實施例4如圖6所示,於上述袋體2之較長方向上等 分,並將開放室4分別配置在各自中心處,於堆積砂包1 98516.doc -15- 200525066 Γ的尺各&amp; U妙包1的較長尺寸除以開放室4的個數 於車乂長方向錯位而配置’使各段的開放室· 排成—列’並敲人樁等棒狀物12貫通這些各心 放室4,將複數個砂包1串成一體化,此構成和表示於= 圖1〜圖3的實施例_,除此之外的構成則為相同。… 圖不例中,將砂包丨的袋體2於較長方 ^配置…一,再將該砂包As a result, no matter which method is adopted, the occurrence of a large gap between the adjacent sand bags or the ground surface due to the deviation of the position of the sand bag i will not occur, so the problem of water seepage can be reliably prevented. Hereinafter, embodiments of the present invention will be described with reference to the drawings. (Embodiment 1) In Embodiment 1, as shown in Figs. 1 to 3, the bag body 2 is formed to be used "at least on the upper and lower sides 2a, and expands into a substantially parallel long body shape and expands" along it. The outer edge constitutes a closed chamber 3 annularly, and the closed chamber 3 surrounds the closed chamber 3 to form a partitioned open chamber 4. On: When the bag body 2 is inflated, in order to make the upper and lower sides 2a, 2b almost maintain the hitting state ', it is preferable to use a thicker material than the other sides or less deformable. Hold 98516.doc -13- 200525066 to form the upper and lower sides 2a, 2b; It is harder to bend than the side surface 2C of the bag body 2 or the partition wall 7. Therefore, in the embodiment shown in FIG. 1 to FIG. 3, the open chamber 4 filled with heavy objects such as soil and sand is disposed at approximately the center of the bag body 2. Therefore, the weight balance is excellent. The sand bag is easy to carry, and it is not easy to collapse when the sand bag 1 is stacked. As shown in FIG. 3, when a rod 12 such as a pile is knocked in from above to pierce the bottom wall 4 a of the open chamber 4, the rod 2 is surrounded by the weight in the open chamber 4. Therefore, For sticks 12 such as piles, the sand bag 丨 is positioned in its entirety and cannot be moved ', so the sand bag can be fixed more securely! . Furthermore, the sandbags of the present invention are stacked in a row in the up-down direction, and all the open chambers 4 are stacked and arranged in the up-down direction, and a rod 12 such as a pile is knocked in to penetrate through the open chambers 4 and a plurality of sandbags 1 are inserted. If it is integrated, the water absorbing agent 5 will not be discharged to the outside due to the rupture of the closed chamber 3 caused by the rod 12, and the external force can be dispersed in a wide range in combination with each of the silicon packages 1, which can further enhance the resistance and make the toughness more Strong, and if these stacked sand bags are connected by a connecting means 9 such as a rope, a stronger water-retaining bank A can be simply constructed. 〇Although in the example shown in the figure, it is approximately at the center of the bag 2 Only one open room 4 is formed, but it is not limited to this. When the bag body 2 is extended along a horizontal straight line, a plurality of open rooms 4 may be formed at appropriate intervals in the extension direction. (Embodiment 2) As shown in FIG. 4 in this embodiment, the closed chamber 3 is disposed at the center of the bag body 2 in the longitudinal direction of the car body 2 and the open chamber is disposed on both sides, so it is disposed at 98516. doc 14 200525066 The partition wall 7 arranged at the dotted line in the figure divides the interior of the bag body 2, and at the same time surrounds the open room 4 with the partition wall 7 and the side surface 2c of the bag body 2, and the open room 4 is separated into the partition wall 7 and the bag body 2 Between the side ends, each has its own opening (the structure of the input port is different from the first embodiment shown in Figs. 1 to 3 above, and the other structures are the same as the embodiment i shown in Figs. 1 to 3 Therefore, the second embodiment shown in FIG. 4 has the same function and effect as shown in the above-mentioned embodiment ^ to FIG. 3, and also has an open room 4 where the weight 10 can be placed only in the early side, and On the other side, instead of putting heavy objects 10, I will share the work like sticks 12 such as knock-in piles, and there are no sticks 12 such as _ square knock-in piles that are filled with human weight 1 (), which can quickly complete the operation. (Embodiment 3) In this embodiment 3, as shown in FIG. 5, the open room 4 is arranged at the central position in the longer direction of the bag body 2, and at the same time, The structure in which the closed chambers 3 are arranged on both sides of these closed chambers 3 is completely independent, so the two sides contain a water absorbing agent 5. This structure is the same as the embodiment of FIGS. 1 to 3 described above! And the embodiment shown in FIG. 4 2 is different, but the structure other than that is the same as the embodiment shown in the above-mentioned FIG. 3 to FIG. 3 and the embodiment 2 shown in FIG. 4. Therefore, the embodiment 3 shown in FIG. The same effect as in Example 1 shown in Figures 丨 to Figure 3, with the bag 2 as the open chamber 4 in the center, the volume of the weight 10 can be increased, and the weight of the sand bag 1 can be increased. It can counter the advantages of stronger water flow. (Embodiment 4) As shown in FIG. 6, this embodiment 4 is equally divided in the longer direction of the above-mentioned bag body 2, and the open chambers 4 are respectively arranged at respective centers, and Stacked sand bag 1 98516.doc -15- 200525066 Γ The length of the ruler &amp; U magic bag 1 is divided by the number of open rooms 4 and the number of open rooms 4 is shifted in the longitudinal direction of the car. In a row, the rods 12 such as knocking piles pass through each of the heart chambers 4, and a plurality of sand bags 1 are integrated into a string. It is shown in the embodiment _ of FIG. 1 to FIG. 3, and the other structures are the same .... In the example of the figure, the bag body 2 of the sand bag 丨 is arranged in a longer side ^, and then the sand package

乂、寸的一分之一而配置,但不只限於如此,若堆 配置有3個以上的開放室4的砂包i日寺,如上述方法配置,、 則各自的開放室4於L下古A合. — 至4於上下方向會排成一列,即使敲入樁等 棒狀物12貫通密閉室3,吸水劑5也不會排出外物。乂, one-half of an inch, but it is not limited to this. If the sand bag i-ji temple with three or more open rooms 4 is arranged as described above, then each of the open rooms 4 is in L Xiagu. A combined. — 4 will line up in the up-down direction. Even if rods 12 such as knock-in piles penetrate the closed room 3, the absorbent 5 will not discharge foreign objects.

一因此如圖6所示的實施例4,不僅具有與上述圖i〜圖3的 貫施例1同樣作用效果,與上述圖3所示之砂包丨於上下方 向堆成一列,且敲入樁等棒狀物12以貫通各列開放室而將 複數砂包1貫通成-體化之播水堤A相比較,更具有能簡單 構築更強固的擋水堤A,之效果。 又,上述實施例1〜4中,係顯示將開放室4配置到上述袋 體2之中央處,其所有側面僅間隔壁7或以間隔壁7和袋體2 側面2c包圍的情形,但不限定於此,亦可配置為在開放室 4上面加設至少一側面朝側方向之開口。 、/、體例子而a,以由平面來看設置成大致呈匸字形的 松閉室3將開放室4包圍,其一側面呈開口者亦可。 此時,以各開放室4開口之一側邊由相鄰袋體2的側面2c 所堵住之方式並排複數個袋體2成一列,或以這些開放室4 98516.doc 16 200525066 開口的一側面彼此相對而連結的方式並排兩個袋體2,藉 此可以將重量物10支持在各開放室4的承受面乜上,且可 敲入樁等棒狀物12而戳破各開放室4的承受面4a。 再者,以上顯示將上述袋體2的外形狀設成至少上下了 面2a、2b大致平行之立體形狀,於堆積本發明砂包i時, 使這些上下面彼此進行面接觸的情形,但不限定於此,亦 可於袋體2的上面和下面的一部份形成凹部,於堆積時使 其成互相散合的形狀。 同樣地,亦可為於袋體2側面仏的部份形成凹部,而將 本發明砂包1在同一平面上配置時,使其成互相嵌合的形 狀。 且本發明雖僅堆積砂包1而構成播水堤A,但不限定於 此,亦可將本發明砂包丨與將土堆入登錄實用新案 30838684公報所示的砂包,及以吸水份聚合物為吸水劑5 而收谷在特開2000-303424號公報所示的砂包等習知之砂、 包’ 一起組合堆積,以構築成擋水堤A、a,。 此情況下’堆積本發明砂包1和習知之砂包時,亦可設 成相瓜5的形狀,或者將本發明砂包1和習知的砂包裝 设於同一平面上而成互相嵌合的狀態。 再者’雖將吸收水份後體積會膨脹的吸水劑5收容於上 述密閉室3中,但不限定於此,亦可將吸收水份後不會膨 服之吸水劑收容於密閉室3内。 【圖式簡單說明】 圖I係表示本發明砂包的實施例〗;(a)係為由上方所看 98516.doc 200525066 到之立體圖; 著1_橫:=心树的縱斷側面圖’、)係為沿 圖 圖2 (a)係為表示稽晶 At 袼$狀恶的立體圖;(b)係為表 B的立體圖。 圖3係表示以本發明之砂包所構築成之撐水堤 示使用狀 體圖 之縮小立 圖4係表示本發明砂包的實施例2的立體圖。 圖5係表示本發明砂包的實施例3的立體圖。 圖6係表示以本發明的砂包所構築成擋水堤之實施例4的 縮小立體圖。 【主要元件符號說明】 1 砂包 2 袋體 2a 上面 2b 下面 2c 側面 3 密閉室 3a 外側面 4 開放室 4a 承受面 5 吸水劑 6 開口(投入口) 7 密閉室的内側面(間隔壁) 8 止滑部 98516.doc -18- 200525066 9 連結方法 10 重量物 11 鏟子 12 棒狀物 A 擋水堤 A, 擋水堤 98516.docTherefore, Embodiment 4 shown in FIG. 6 not only has the same function and effect as Embodiment 1 in FIGS. I to 3 described above, but also piles up in a row with the sand bag shown in FIG. 3 above and knocks in. The rods 12 such as piles penetrate through the open rooms in each row and penetrate the plurality of sand bags 1 into a solidified watering bank A, which has the effect of simply constructing a stronger water retaining bank A. Moreover, in the above-mentioned Examples 1 to 4, the case where the open room 4 is arranged at the center of the bag body 2 and all sides are only partition walls 7 or surrounded by the partition walls 7 and the bag body 2 side 2c is shown, but not Limited to this, at least one side-side opening may be provided on the upper surface of the open room 4. For example, a, the open chamber 4 is surrounded by a loose chamber 3 which is arranged in a substantially U-shape when viewed from a plane, and one side may be open. At this time, a plurality of bag bodies 2 are lined up side by side so that one side of the opening of each open room 4 is blocked by the side surface 2c of the adjacent bag body 2, or one of these open room 4 98516.doc 16 200525066 openings The two bags 2 are side-by-side connected to each other, so that the weight 10 can be supported on the receiving surface 开放 of each of the open chambers 4, and the rods 12 such as piles can be knocked into the open chambers 4 Bearing surface 4a. In addition, the above shows that the outer shape of the bag body 2 is set to a three-dimensional shape with at least the upper and lower surfaces 2a and 2b being substantially parallel. When the sand bag i of the present invention is stacked, these upper and lower surfaces are brought into surface contact with each other, but not Limited to this, it is also possible to form recessed portions on the upper and lower portions of the bag body 2 so that they are in a mutually closed shape when stacked. Similarly, the recessed portion may be formed on the side surface of the bag body 2, and when the sand bag 1 of the present invention is arranged on the same plane, the sand bag 1 may be fitted into each other. In addition, although the present invention only deposits the sand bag 1 to constitute the water-spreading bank A, the present invention is not limited to this, and the sand bag of the present invention and the sand bag shown in Registered Utility Model Publication No. 30838684 can also be used, and the water absorption The polymer is a water-absorbing agent 5 and is harvested in a conventional sand and bag such as a sand bag shown in Japanese Patent Application Laid-Open No. 2000-303424 to be stacked to form a water-retaining bank A, a. In this case, when stacking the sand bag 1 and the conventional sand bag of the present invention, they can also be set in the shape of a melon, or the sand bag 1 of the present invention and the conventional sand package can be fitted on each other to form a mutual fit. status. Furthermore, although the water-absorbing agent 5 whose volume expands after absorbing water is contained in the above-mentioned closed chamber 3, it is not limited to this, and the water-absorbing agent which does not swell after absorbing water may be stored in the closed chamber 3 . [Brief description of the figure] Figure I shows an embodiment of the sand bag of the present invention; (a) is a perspective view of 98516.doc 200525066 viewed from above; 1_ horizontal: = vertical side view of the heart tree ' () Is a perspective view along FIG. 2 (a) is a perspective view showing the crystal At 晶 $ 状; (b) is a perspective view of Table B. Fig. 3 is a perspective view showing a dike structure constructed from a sand bag according to the present invention, showing a diminished view of its use, and Fig. 4 is a perspective view showing a second embodiment of the sand bag according to the present invention. Fig. 5 is a perspective view showing a third embodiment of the sand bag of the present invention. Fig. 6 is a reduced perspective view showing a fourth embodiment of a water-retaining bank constructed by the sand bag of the present invention. [Description of main component symbols] 1 Sand bag 2 Bag body 2a Upper 2b Lower 2c Side 3 Sealed room 3a Outside 4 Open room 4a Receiving surface 5 Water absorbent 6 Opening (input port) 7 Inside side of the closed room (partition wall) 8 Anti-slip part 98516.doc -18- 200525066 9 How to connect 10 Weight 11 Shovel 12 Rod A Retaining bank A, Retaining bank 98516.doc

Claims (1)

200525066 十、申請專利範圍: 1 · 一種砂包,其係於袋體(2)内收容有可吸收水的吸水劑 (5)者,其特徵為·· 該袋體(2)中具備收容吸收水份後體積會膨脹的吸水劑 之密閉室(3),及鄰接該密閉室(3)且内部形成有空間的 開放室(4);隨著上述吸水劑(5)的膨脹,使密閉室(3)的 内側面(7)朝開放室(4)的内部空間膨脹出,至少可以抑 制密閉室(3)的外側面(3a)的膨脹。 2· 一種砂包,其係於袋體(2)内收容有吸收水的吸水劑(5) 者,其特徵為: 該袋體(2)中具備收容吸水劑(5)的密閉室(3),及鄰接 鑪毪閉至(3)而朝外部開口的開放室(4);該開放室(4)的 下方側,具備可支撐重量物(10)且可藉由敲入棒狀物 (12)而戳破的承受面(4a)。 3. -種擋水堤,其特徵係使用如請求項⑷之砂包⑴而構 成者。 98516.doc200525066 10. Scope of patent application: 1 · A sand bag, which is contained in a bag body (2) containing a water-absorbing agent (5) capable of absorbing water, and is characterized in that the bag body (2) is provided with a storage absorbent The closed chamber (3) of the water-absorbing agent whose volume will expand after moisture, and the open chamber (4) adjacent to the closed chamber (3) and having a space formed inside; as the above-mentioned water-absorbing agent (5) expands, the closed chamber The inner surface (7) of (3) expands toward the inner space of the open chamber (4), and at least the expansion of the outer surface (3a) of the closed chamber (3) can be suppressed. 2. A sand bag which is contained in a bag body (2) containing a water-absorbing agent (5) for absorbing water, characterized in that the bag body (2) is provided with a closed chamber (3) for containing the water-absorbing agent (5) ), And an open room (4) adjacent to the grate closed to (3) and opening to the outside; the lower side of the open room (4) is provided with a weight (10) that can support a weight and can be knocked in by a rod ( 12) The punctured bearing surface (4a). 3.-A kind of water-retaining embankment, which is characterized by using a sand bag such as a request item. 98516.doc
TW93140569A 2003-12-25 2004-12-24 Sandbag and waterproof dike TW200525066A (en)

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KR101232212B1 (en) * 2012-03-29 2013-02-12 시지엔지니어링(주) Bag for reduction of subsidence and keep of form
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