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WO2020071582A1 - Passerelle étendue - Google Patents

Passerelle étendue

Info

Publication number
WO2020071582A1
WO2020071582A1 PCT/KR2018/013233 KR2018013233W WO2020071582A1 WO 2020071582 A1 WO2020071582 A1 WO 2020071582A1 KR 2018013233 W KR2018013233 W KR 2018013233W WO 2020071582 A1 WO2020071582 A1 WO 2020071582A1
Authority
WO
WIPO (PCT)
Prior art keywords
girder
sub
footbridge
main girder
bridge
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/KR2018/013233
Other languages
English (en)
Korean (ko)
Inventor
이경배
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kukje St Co Ltd
Original Assignee
Kukje St Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kukje St Co Ltd filed Critical Kukje St Co Ltd
Publication of WO2020071582A1 publication Critical patent/WO2020071582A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D19/00—Structural or constructional details of bridges
    • E01D19/10—Railings; Protectors against smoke or gases, e.g. of locomotives; Maintenance travellers; Fastening of pipes or cables to bridges
    • E01D19/103—Parapets, railings ; Guard barriers or road-bridges
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D19/00—Structural or constructional details of bridges
    • E01D19/005—Piers, trestles, bearings, expansion joints or parapets specially adapted for portable or sectional bridges
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges

Definitions

  • the present invention relates to extended footbridge.
  • a bridge means a facility made to cross over rivers, lakes, straits, reservoirs, etc., and is constructed by various construction methods depending on the environment, characteristics, and purpose of installation.
  • the bridge consists of a number of piers, decks, bridges, and railings.
  • the bridge is installed with sidewalks for general pedestrian traffic as well as vehicle traffic.
  • the sidewalks installed on these bridges are not installed by a separate method, but the edges are partitioned with railings and the like to be used as sidewalks while the width of the roadway for vehicle passage is secured.
  • a method for temporarily constructing a sidewalk on a bridge disclosed in Korean Patent Publication No. 10-1090400 includes: vertically burying a support pile in the ground at regular intervals along a side where a slope of a road starts and a head of the support pile And joining to form an extended footbridge support block that protrudes a predetermined amount to the ground, and installing an extended footbridge having a predetermined road width in a cantilevered form to allow passage of the sidewalk and bicycle.
  • the disclosed prior art has a construction step and installation structure as a number of support piles are buried in the ground, an extended footbridge support block is formed at the head of the support pile, and an extended footbridge is installed in the form of a cantilever beam on the extended footbridge support block.
  • an extended footbridge is installed in the form of a cantilever beam on the extended footbridge support block.
  • An object of the present invention is to provide an extended footbridge that can be installed depending on the situation by attaching or mounting.
  • An extended footbridge of the present invention for achieving the above object, the main girder coupled to the vertical surface of one end of the bridge by a plurality of anchor bolts; A sub-girder coupled to an upper surface of the main girder; A plurality of rails installed on the upper surface of the sub-girder in the longitudinal direction of the bridge; A bottom plate vertically installed on the upper surfaces of the plurality of rails; And a wire tightly connected between the main girder and the sub-girder, wherein the sub-girder is replaceable by changing its position on the top surface of the main girder, and is anchorable by an anchor bolt to a horizontal surface of one end of the bridge.
  • the wire is preferably connected between the rear end of the sub-girder and the front end of the main girder disposed next to the sub-girder.
  • the main girder has a pair of positioning holes arranged at predetermined intervals on the upper surface, and the sub-girder has a plurality of positioning holes formed on the lower surface corresponding to the pair of positioning holes.
  • a plurality of gratings are disposed on the rear end of the sub-girder to prevent wind pressure from being applied to the footbridge.
  • a vibration isolator is mounted on the lower surface of the front end of the sub-girder, and the vibration isolator includes a housing portion coupled to the sub-girder, a pair of springs having one end fixed to the upper and lower portions of the housing portion, and the pair of springs. It is preferable to include a weight that is connected between.
  • the extended footbridge of the present invention can be installed to be changed depending on the situation, either attached or mounted.
  • FIG. 1 is a perspective view showing an extended footbridge according to an embodiment of the present invention.
  • FIG. 2 is a side cross-sectional view showing the extended footbridge of FIG. 1.
  • FIG 3 is a perspective view showing the main girder and the sub-girder.
  • FIG. 4 is a perspective view showing the rail.
  • FIG. 5 is a perspective view showing the bottom plate.
  • FIG. 6 is a perspective view showing a railing fixing pipe.
  • FIG. 7 is a perspective view showing grating.
  • FIG 8 is a front view and a side view showing a vibration damping device.
  • FIG. 9 is a perspective view showing that the sub-girder is moved by moving it rearward with respect to the main girder in comparison with the extended footbridge of FIG. 1.
  • FIG. 10 is a side cross-sectional view showing the extended footbridge of FIG. 9.
  • FIG. 11 is a perspective view showing an embodiment in which the connection position of the wire in the extended footbridge of FIG. 1 is different.
  • FIG. 1 is a perspective view showing an extended footbridge according to an embodiment of the present invention
  • FIG. 2 is a side cross-sectional view showing the extended footbridge of FIG. 1.
  • the main girder 110 coupled by a plurality of anchor bolts on one side end vertical surface of the bridge
  • the sub-girder 120 coupled to the upper surface of the main girder
  • the upper surface of the sub-girder It includes a plurality of rails 130 installed in the longitudinal direction of the bridge, a bottom plate 140 vertically installed on the upper surface of the plurality of rails, and a wire 180 tightly connected between the main girder and the sub-girder.
  • the main girder 110 is formed in an I-beam shape of a predetermined length, and the main girder plate 117 for fastening anchor bolts is welded and coupled to the rear end thereof. .
  • a plurality of anchor bolt fastening holes 118 are formed on the main girder plate 117 and can be fixed to the vertical surface of one end of the bridge by the plurality of anchor bolts 119.
  • a plurality of coupling holes 112 for fastening and fixing the sub-girder 120 with bolts and nuts is formed.
  • the sub-girder 120 is made of an I-beam shape of a predetermined length.
  • the subgirder 120 may be formed to have a longer length and a smaller height when compared to the main girder 110.
  • the width of the main girder 110 is shown to be formed to be the same as the width of the sub-girder 120, but unlike this, the width of the main girder 110 may be formed larger than the sub-girder 120.
  • a plurality of long holes 122 are formed on the lower surface of the sub-girder 120 so as to be fastened with bolts and nuts corresponding to the coupling holes 112 of the main girder 110. Since the bolt fastening hole is made in the form of a long hole, it is possible to allow a dimensional error in a predetermined range when the main girder 110 and the sub-girder 120 are fastened.
  • the one formed on the last side of the plurality of long holes 122 may be used as a bolt fastening hole or may be used as an anchor bolt fastening hole.
  • an anchor bolt fastening hole 128 is formed on the immediately front side of the long hole 122 formed on the last side. So, as described later, when fixing the rear end portion of the sub-girder 120 with the anchor bolt on the upper side of the bridge, a plurality of anchor bolts through the anchor bolt fastening hole 128 and the long hole 122 formed at the last side. Can be fixed by fastening.
  • the plurality of rails 130 are installed on the upper surface of the sub-girder 120 to be spaced apart from each other at predetermined intervals in the longitudinal direction of the bridge.
  • This rail 130 is also made of a rectangular pipe as shown in Figure 4 is also referred to as a square tube.
  • the cross-sectional shape of the rail 130 is not limited to such a pipe shape, and may be formed in a solid rectangular bar shape.
  • the rail 130 may be welded to and coupled to the upper surface of the sub-girder 120, or fastened by a plurality of screws.
  • the bottom plate 140 is vertically installed on the upper surfaces of the plurality of rails 130.
  • the bottom plate 140 may be made of wood plywood or plastic material.
  • the bottom plate 140 is shown as being partially mounted on the plurality of rails 130, but the plurality of bottom plates 140 are continuously mounted on the plurality of rails 130.
  • the bottom plate 140 may increase friction so that pedestrians do not slip by forming a plurality of grooves in the longitudinal direction on the upper surface thereof.
  • a plurality of groove shapes may be formed in the lower portion of the bottom plate 140 to sufficiently support the weight of the pedestrian while reducing the amount of material.
  • the wire 180 is tightly connected between the main girder 110 and the sub-girder 120.
  • the wire 180 has one end connected to the upper surface of the rear end of the sub-girder 120, and the sub-girder 120 which is next to the sub-girder 120 rather than below it.
  • the other end may be connected to one side of the main girder 110 below.
  • the upper surface of the front end of the plurality of sub-girder 120 may be mounted railing fixing pipe (150).
  • the handrail fixing pipe 150 is for coupling the handrail 160 shown in FIG. 1.
  • the railing fixing pipe 150 may be formed of two rows of railing bolt grooves 152 for fixing the railing on the upper surface.
  • the railing bolt groove 152 is formed to accommodate the head of the bolt, and may be continuously formed to fasten the railing fixing bolt at any position.
  • a fixing bolt groove 154 for mounting the railing fixing pipe 150 to the sub-girder 120 may be formed on the lower surface of the railing fixing pipe 150 in two rows.
  • the fixing bolt groove 154 may also be formed to accommodate the head of the fixing bolt fastened to the upper surface of the sub-girder 120, and may be continuously formed to fasten the fixing bolt at any position.
  • a plurality of pipe fastening holes 125 for fastening the railing fixing pipe 150 may be formed on the upper surface of the front end of the sub-girder 120.
  • a plurality of gratings 170 may be arranged on the rear end portion of the sub-girder 120 to prevent wind pressure from being applied to the footbridge.
  • Grating is a lattice-shaped hardware that is generally used for the cover of outdoor drains.
  • the grating 170 may use a lattice-shaped steel structure as shown in FIG. 7, but the material and shape of the grating 170 are not limited thereto.
  • the grating 170 may be made of a plastic material, or may be made of a structure in which a plurality of elongated holes are arranged in a plate having a predetermined thickness.
  • the plurality of gratings 170 constitute a part of the upper plate of the extended footbridge 100 and are disposed at positions in close contact with the side surfaces of the bridge as shown in FIG. 1, thereby reducing the wind pressure applied to the extended footbridge.
  • the main girder 110 is provided with a pair of positioning holes 114 on the upper surface
  • the sub-girder 120 has a plurality of positioning holes formed at predetermined intervals corresponding to the pair of positioning holes on the lower surface. It is preferable to provide (124).
  • a pair of positioning holes 114 are arranged at predetermined intervals on the upper surface of the main girder 110, and a plurality of positioning holes 124 are limited to the lower surface of the sub-girder 120. Two pairs may be formed corresponding to the pair of positioning holes 114. The longitudinal spacing of the two pairs of positioning holes 124 may be formed to be the same as the longitudinal spacing of the plurality of coupling holes 112.
  • the positioning hole 114 is formed with a thread on the inner circumferential surface, and when the bolt is fastened from the bottom to the top, the end of the bolt may protrude upward from the upper surface of the sub-girder 120.
  • the contractor of the extended footbridge installs the main girder 110 first and then mounts the sub-girder 120 over the main girder 110, the positioning hole 124 in the bolt that is fastened to the positioning hole 114 and protrudes. You can easily align the relative position by fitting.
  • the positioning hole 114 of the main girder 110 and the positioning hole 124 of the sub-girder 120 may be aligned by pins, not bolts.
  • the pin is inserted from top to bottom in the positioning hole 124 of the sub-girder 120, and the positioning hole 124 of the sub-girder 120 does not need to be formed with threads.
  • the pin may have a form that is elastically inserted into the positioning hole 124 of the sub-girder 120, and the pin is moved by moving the sub-girder 120 on which the pin is inserted on the main girder 110 so that the pin is the main girder 110. If you click into the positioning hole 114, you can easily align the position.
  • the positioning hole 124 is placed in the original positioning hole 114. Compared, if it moves to fit the positioning hole 114 of the next column, the relative positions of the main girder 110 and the sub-girder 120 can be easily matched.
  • a damping device 190 may be mounted on a lower surface of the front end of the sub-girder 120.
  • the vibration isolator 190 may not be mounted only at the front end of the sub-girder 120, but may be mounted at an appropriate position according to the vibration condition of the site on the lower surface of the sub-girder 120.
  • the vibration isolator 190 includes a housing part 191 coupled to the sub-girder 120, a pair of springs 194 having one end fixed to the upper and lower parts of the housing part, and a pair It may include a weight (196) that is connected between the spring.
  • the housing part 191 is formed in a cylindrical shape with an upper surface and a lower surface, and a coupling plate part 192 may be integrally coupled to an upper end of the housing part 191 to be coupled to the sub-girder 120.
  • the coupling plate portion 192 may be formed to surround the lower portion of the sub-girder 120.
  • the coupling plate portion 192 includes a plate portion integrally coupled to the upper end of the housing portion 191, a vertical portion extending upwardly from both ends of the plate portion, and a horizontal portion extending inwardly from the upper end of each vertical portion. can do.
  • At least one bolt fastening hole is formed in the horizontal portion, so that the coupling plate portion 192 is slidably attached to the sub-girder 120 and the bolt 198 is fastened so that the end of the bolt 198 is a lower portion of the sub-girder 120.
  • the damping device 190 can be fixed at a predetermined position.
  • the vibration isolator 190 is not mounted at a predetermined position of the sub-girder 120, but the vibration isolator 190 can be moved to be mounted at an appropriate location on the sub-girder 120 according to the vibration condition of the site.
  • the upper end and the lower end of the upper spring are respectively fixed to the upper and lower ends of the housing unit 191, respectively.
  • a pair of support bolts 193 may be horizontally penetrated and fastened to the upper and lower portions of the housing portion 191.
  • the weight 196 may be formed of a metal so as to have a predetermined weight to damp vibration, and is connected between a pair of springs 194.
  • the end of the spring 194 may be directly connected to the weight 196, but the eye bolt 195 is fastened to the upper and lower surfaces of the weight 196 and the ring of the eye bolt 195 is connected to the spring 194. It can be fixed by hanging the end.
  • the damping device 190 may be provided for every sub-girder 120, but is preferably provided for each of the multiple sub-girders 120. Vibration due to a load applied to the extended footbridge 100 by the vibration isolator 190 can be reduced.
  • the sub-girder 120 may be combined by changing its position on the upper surface of the main girder 110.
  • a plurality of coupling holes 112 are arranged at regular intervals on the upper surface of the main girder 110, and a plurality of long holes 122 are also arranged at regular intervals on the lower surface of the sub-girder 120. So, the plurality of long holes 122 of the sub-girder 120 to the plurality of coupling holes 112 of the main girder 110 is moved to be aligned with the coupling holes 112 of the next column compared to FIG. 1,
  • the main girder 110 and the sub-girder 120 may be fastened with a plurality of bolts and nuts.
  • FIGS. 9 and 10. In contrast to the extended footbridge 100 installed as in FIGS. 1 and 2, the extended footbridge 100 installed by moving the subgirder 120 mounted on the main girder 110 is illustrated in FIGS. 9 and 10. have.
  • the anchor bolt 119 is fixed only to one side end side of the bridge.
  • This footbridge is defined as "attached footbridge”.
  • the one end of the bridge of FIG. 10 is a situation in which a part of the subgirder 120 is disposed on the upper surface of one side of the bridge to be fastened with anchor bolts.
  • This footbridge is defined as "the footbridge.”
  • the extended footbridge of the present invention can be selectively constructed as an attached or stationary footbridge depending on the situation of one end of the bridge by constructing the parts having one specific dimension and varying the engagement position thereof.
  • the plurality of gratings 170 are disposed between the bottom plate 140 divided into two parts. That is, the plurality of gratings 170 may be disposed such that the rear surface of the grating 170 comes close to the outer surface of the bridge among the upper plates of the extended footbridge 100.
  • the bottom plate 140 is mounted not only on the front side but also on the rear side of the plurality of gratings 170.
  • connection position of the wire 180 is the same as that of the embodiment of FIG. 1, but after connecting the wire 180, its length may be changed.
  • the damping device 190 is the same as described in the embodiment of FIG. 1.
  • the main girder 110 is fixed with a plurality of anchor bolts 119 on the side end portions of the bridge, and a plurality of rear end portions of the sub-girder 120 coupled to the main girder 110 are also provided.
  • the anchor bolt 129 can be fixed to the upper surface of the side end of the bridge.
  • FIG. 11 is a perspective view showing an embodiment in which the connection position of the wire 180 in the extended footbridge 100 of FIG. 1 is different.
  • the wire 180 may have both ends connected by eye bolts between the rear end side of the main girder 110 and the front end side of the sub-girder 120 next to it.
  • the wire 180 can be pulled taut by connecting the turnbuckle 182 in the middle of the wire 180.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Bridges Or Land Bridges (AREA)

Abstract

La passerelle étendue de la présente invention comprend : une poutre principale couplée à une surface verticale au niveau d'une partie d'extrémité d'un pont par une pluralité de boulons d'ancrage; une sous-poutre couplée à la surface supérieure de la poutre principale; une pluralité de rails installés sur la surface supérieure de la sous-poutre dans la direction longitudinale du pont; une plaque inférieure installée perpendiculairement sur les surfaces supérieures de la pluralité de rails; et un fil connecté de manière serrée entre la poutre principale et la sous-poutre, la sous-poutre pouvant être couplée à la surface supérieure de la poutre principale en changeant une position de celle-ci et pouvant être couplée à une surface horizontale au niveau d'une partie d'extrémité du pont par un boulon d'ancrage.
PCT/KR2018/013233 2018-10-05 2018-11-02 Passerelle étendue Ceased WO2020071582A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2018-0118725 2018-10-05
KR1020180118725A KR102029425B1 (ko) 2018-10-05 2018-10-05 확장 인도교

Publications (1)

Publication Number Publication Date
WO2020071582A1 true WO2020071582A1 (fr) 2020-04-09

Family

ID=68422320

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2018/013233 Ceased WO2020071582A1 (fr) 2018-10-05 2018-11-02 Passerelle étendue

Country Status (2)

Country Link
KR (1) KR102029425B1 (fr)
WO (1) WO2020071582A1 (fr)

Cited By (1)

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Publication number Priority date Publication date Assignee Title
CN115961537A (zh) * 2022-12-21 2023-04-14 中南大学 一种具有镂空桥面板的平拉索桥

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KR102297552B1 (ko) 2021-03-30 2021-09-03 주식회사 엠피이엔씨 확장도로용 거더구조 및 이를 이용한 확장도로 시공방법
CN113529618B (zh) * 2021-07-23 2022-06-10 中交路桥南方工程有限公司 一种用于路基强度加固和匝道防撞的装置
KR102541549B1 (ko) 2023-01-27 2023-06-14 (주) 대현이엔씨 교량 및 법면 설치용 확장 보도교 및 그 시공방법
KR102808525B1 (ko) 2024-11-07 2025-05-16 케이플랜 주식회사 교량용 인도교 시스템
KR102780173B1 (ko) * 2024-11-22 2025-03-12 (주)에이치앤디건설 진동 저감형 확장보도

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