CN1198990C - Layered Mesh Reinforced Gabion Retaining Wall for Slope Reinforcement - Google Patents
Layered Mesh Reinforced Gabion Retaining Wall for Slope Reinforcement Download PDFInfo
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- CN1198990C CN1198990C CN 02159704 CN02159704A CN1198990C CN 1198990 C CN1198990 C CN 1198990C CN 02159704 CN02159704 CN 02159704 CN 02159704 A CN02159704 A CN 02159704A CN 1198990 C CN1198990 C CN 1198990C
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- retaining wall
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- gabion
- reinforced gabion
- slope
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Abstract
本发明是一种用于边坡加固的层状网式钢筋石笼挡墙，包括成排成层地堆砌成台阶状的钢筋石笼，在钢筋石笼层间浇注有混凝土层，所述钢筋石笼框架的竖向钢筋长于笼体的高度，其末端插入所述钢筋石笼层间的混凝土层内部；在钢筋石笼侧面空隙间浇注有砂浆层；以及还包括有排水系统。该钢筋石笼挡墙具有整体强度高、抗锈蚀能力强、有效排水、易于绿化、易于监测等优点。
The present invention relates to a layered net-type reinforced gabion retaining wall for slope reinforcement, which comprises step-like reinforced gabions piled up in rows and layers, and concrete layers are poured between the layers of the reinforced gabions. The vertical steel bar of the gabion frame is longer than the height of the cage body, and its end is inserted into the concrete layer between the steel bar gabion layers; a mortar layer is poured between the side spaces of the bar bar cage; and a drainage system is also included. The reinforced gabion retaining wall has the advantages of high overall strength, strong corrosion resistance, effective drainage, easy greening, and easy monitoring.
Description
Technical field
The present invention relates to a kind of barricade that is used for slope reinforcement, relate in particular to a kind of stratified net-mesh reinforced stone-gabion that is used for medium and small slope reinforcement.
Background technology
At present, the domestic structure that is used for the supporting slope of highway is the plain edition steel bar stone cage retaining wall.Also plain edition steel bar stone cage retaining wall structure is used for aspects such as anti-erosion or scour protection abroad.In view of many advantages of this wall-retaining structure, some country in the U.S. and Europe is used for it supporting of medium and small side slope under the difficult area (as the mountain area) more at large, and has developed corresponding design manual and professional production merchant.
Plain edition reinforced gabion as shown in Figure 3, its construction mainly was divided into for two steps: make one with reinforcing bar and steel wire by certain specification earlier and be rectangular-shaped reinforcing cage, fill the rubble (or gravel) of gathering materials on the spot again in cage.Then, each reinforced gabion is in a row piled up to stratification on demand be barricade.For gabion is closely contacted with treating reinforcing side slope, between barricade and side slope face, fill up rubble (or gravel).In specific design and work progress, strengthen the shearing resistance and the anti-upset ability of barricade sometimes according to actual needs at barricade bottom pouring concrete pedestal.Although the plain edition steel bar stone cage retaining wall has advantages such as can gathering materials on the spot, be easy to construct, be beneficial to draining, yet still there are many weak points in existing design and construction:
Bulk strength is lower.Because the plain edition steel bar stone cage retaining wall is to be formed by simply piling up of a plurality of reinforced gabions, its integrality is to keep by the frictional force between the gabion.Be easy to produce relative to slip under external force between each gabion, relative displacement such as rotate, severe patient can make reinforced gabion disintegrate.
Resistant tarnishing is poor.Because the reinforcing bar of plain edition reinforced gabion and steel wire directly touch the sky G﹠W, very easily by corrosion.If reinforcing bar and steel wire corrosion are serious, the plain edition reinforced gabion then will face the danger of disintegration, thereby reduce the intensity of this barricade greatly and be reinforced the stability of side slope.
Drainage performance is limited.Because the drainability of plain edition steel bar stone cage retaining wall can not satisfy the drainage requirement of side slope, the underground water of side slope inside is in from oozing state, and this might threaten the stability of side slope.
In addition, the plain edition steel bar stone cage retaining wall is difficult to realize that the state to side slope and barricade monitors.And be reinforced original vegetation on the side slope surface because remove or covered in the work progress, the plain edition steel bar stone cage retaining wall again can't restore vegetation, is unfavorable for environmental protection.
Summary of the invention
The objective of the invention is at above-mentioned problems of the prior art, proposed a kind of steel bar stone cage retaining wall that has high bulk strength, strong anti-corrosion, effectively draining, is easy to afforest, be easy to monitoring and other advantages.
For achieving the above object, a kind of stratified net-mesh reinforced stone-gabion that is used for slope reinforcement of the present invention, be piled into step-like reinforced gabion with comprising stratification in a row, be cast with layer of concrete at the reinforced gabion interlayer, the vertical reinforcement of described reinforced gabion framework is longer than the height of cage body, its terminal layer of concrete inside of inserting described reinforced gabion interlayer; Between the reinforced gabion side gap, be cast with screed; And also include drainage system.
The vertical reinforcement two ends of described reinforced gabion framework are the hook shape.
Described layer of concrete is formed by steel mesh reinforcement and concrete pouring.
Described drainage system comprises:
Below, described reinforced gabion side has along the longitudinal drainage pipe of side slope tendency direction;
Be provided with along side slope every layer of described reinforced gabion side and move towards the transverse drain that direction is communicated with two adjacent reinforced gabions; And
In side slope, be provided with the drain hole that communicates with the rubble of described reinforced gabion inside.
On each step of described steel bar stone cage retaining wall, be provided with the catch basin that moves towards direction along side slope, and weep pipe is set.
On each step of described steel bar stone cage retaining wall, also be provided with soil box, be used for serike, in the hope of reaching the purpose that barricade is afforested.Can utilize catch basin and weep pipe to water.
In reinforced concrete floor, be embedded with the extensometer that extends in the side slope boring, the monitoring slope deforming, corresponding deformation data can use dial gage to obtain.Burying load that sensor bears barricade or inner stress, strain etc. in reinforced concrete floor or screed underground monitors.
Thus, the present invention has following tangible advantage with respect to other slope reinforcement measures:
(1) construction is simple and convenient, cheap, and the braiding of reinforcing cage can be concentrated making near the barricade of waiting to construct, and the interior stone of reinforced gabion can be gathered materials on the spot.The rule of reinforced gabion is piled up, between gabion the construction of the steps such as laying, the slurry placement between the gabion side, the layout of gabion interlayer steel mesh reinforcement and the cast of layer of concrete of communicating pipe very easy and do not need the workload of high-tech.
(2) bulk strength height, reinforced concrete floor between each layer reinforced gabion, the built-in fitting at the vertical reinforcement two ends of each reinforced gabion framework all inserts up and down in the reinforced concrete floor, filling mortar between space, reinforced gabion both sides, make this wall-retaining structure that very high bulk strength and certain deformability be arranged, reduce the possibility that reinforced gabion disintegrates, thereby help the stable of side slope.
(3) resistant tarnishing is strong, can prevent effectively that with interstitial reinforced concrete floor in reinforced gabion both sides or screed reinforcing bar and steel wire are owing to being exposed to water and air and by corrosion between each layer reinforced gabion.
(4) drainage performance is good, fill rubble or gravel in the reinforced gabion with height water permeability, the reinforced gabion side is provided with to be communicated with in the transverse drain of adjacent reinforced gabion and every layer of reinforced gabion along side slope tendency direction and is provided with the longitudinal drainage pipe that moves towards direction along side slope.According to the needs of design, also can be at the inner drain hole that communicates with piece stone gap in the gabion of laying of side slope.Said structure makes many drainage channels that have of steel bar stone cage retaining wall, realizes efficient draining.
(5) be easy to monitoring, in reinforced concrete floor, be embedded with the extensometer that extends in the side slope boring and monitor slope deforming, in reinforced concrete floor or screed, bury the stress, strain etc. of load that sensor bears barricade or inside underground and monitor.
(6) be beneficial to environmental protection, whole steel bar stone cage retaining wall is without any need for timber, free from environmental pollution and can plant in the soil box on the barricade step and be fit to growing plants.
Description of drawings
Fig. 1 is structure and the reinforcing principle schematic that is used for the stratified net-mesh reinforced stone-gabion of slope reinforcement of the present invention;
Fig. 2 is the structural representation that is used for the stratified net-mesh reinforced stone-gabion reinforcing cage of slope reinforcement of the present invention;
Fig. 3 is the structure of plain edition steel bar stone cage retaining wall and reinforces principle schematic.
The specific embodiment
A kind of steel bar stone cage retaining wall as shown in Figure 1 is a specific embodiment of the present invention, and Fig. 2 is the structural representation of reinforcing cage.The loose top layer of at first excavating position, barricade pedestal place is to projected depth, and fluid concrete makes up pedestal layer of concrete 13.Pedestal layer of concrete 13 sectionals or laminated pouring, the size of its segmentation unlikely concrete of just having poured into a mould of stepping on of personnel when putting reinforcing cage is advisable.In case of necessity, can in concrete, add retarding agent and delay concrete initial set, so as for reinforcing cage put and the reinforcing cage bottom surface can be immersed concrete grout exercisable condition is provided.After pouring every section concrete; unsealed reinforcing bar verdant in a row can be put the position of design; bottom layer of the reinforcing steel gabion vertical reinforcement terminal 5 is inserted concrete grout, and guarantee that reinforcing bar and steel wire on the reinforcing cage bottom surface are wrapped up to form the topping of anti-corrosion by concrete grout.Reinforcing bar end 5 is the hook shape, and the vertical reinforcement lower end built-in fitting length of bottom layer of the reinforcing steel gabion framework is greater than the length of the vertical reinforcement two ends built-in fitting of built-in fitting and other layers reinforced gabion framework on the vertical reinforcement of bottom layer of the reinforcing steel gabion framework.When putting reinforcing cage, should stay space, the 4cm left and right sides to be used for the filling mortar between two adjacent reinforcing cages and form screed 6.The mesh 18 that longitudinal drainage pipe 10 is passed through bottom, reinforced gabion side is communicated with adjacent reinforced gabion along side slope tendency direction, and longitudinal drainage pipe 10 should insert the interior certain distance of reinforcing cage to prevent the mortar plugging.In side slope 1, be provided with the drain hole 16 that communicates with the rubble of described reinforced gabion inside.Establish the transverse drain 7 that moves towards direction along side slope in the reinforced gabion side.It is fixed that the diameter of longitudinal drainage pipe 10 and transverse drain 7 should be come by the size of the mesh 18 of the hydrologic condition of locality and reinforced gabion side, is not advisable not weave special preformed hole as far as possible for this reason.After the layer of concrete of cast reaches certain intensity, the rubble (or gravel) that filling is gathered materials on the spot in unsealed reinforcing cage.All spaces near side slope 1 one sides that are reinforced all are filled with rubble (or gravel).The stone that is loaded should have certain grating, so that the stone in the cage is closely contacted, near the remaining space of side slope one side, does not put reinforcing cage because the space is less, but will with grating preferably rubble come filling.Be woven into the end face of reinforced gabion with steel wire 17, all reinforcing cages of filling stone are sealed.With the space slurry placement between the reinforced gabion side, and make mortar closely knit as far as possible, protect the reinforcing bar of reinforced gabion side and steel wire not by corrosion to form screed 6.In screed 6, bury the sensor 15 that is used to monitor barricade load and internal stress or strain underground.So far, finished the laying work of bottom layer of the reinforcing steel gabion.Outside the bottom layer of the reinforcing steel gabion, be provided with along side slope and move towards the catch basin 11 of direction and the soil box 12 of serike.The longitudinal drainage pipe 10 that effluxes the reinforced gabion side leads to catch basin 11.Soil box 12 certain distances are provided with gutter 14 outside distance bottom layer of the reinforcing steel gabion.
On one deck reinforced gabion of having constructed, lay steel mesh reinforcement 4, and will reserve certain clearance between steel mesh reinforcement 4 and lower floor's reinforced gabion end face.Subsequently, pour into a mould the thick concrete of 4cm～6cm on steel mesh reinforcement 4, corresponding section construction should help putting of last layer reinforcing cage.After every section concrete construction finishes, the upper end built-in fitting 5 of lower floor's reinforced gabion vertical reinforcement will be embedded in the concrete grout.The concrete tamping so that form reinforced concrete floors 3 with steel mesh reinforcement 4, and is wrapped up reinforcing bar and the steel wire on lower floor's reinforced gabion end face, form the topping of anti-corrosion.In reinforced concrete floor 3, bury the sensor 15 that is used to monitor barricade load and internal stress or strain underground, in reinforced concrete floor 3, be embedded with and extend to the extensometer 2 that is reinforced in the side slope 1, the monitoring slope deforming.When putting reinforcing cage, except that being undertaken by above-mentioned requirements, the interlaced arrangement of also the adjacent two layers reinforced gabion should being tried one's best, the upper strata effluxes reinforcing cage and lower floor and effluxes reinforced gabion and have certain distance to form step.Add on the barricade step surface and smear surperficial screed 9, prevent the corrosion of barricade free face, fixing soil box 12 simultaneously is used for serike.In addition, the catch basin 11 that moves towards direction along side slope is set also on the barricade step surface, the gutter of weep pipe 8 and corresponding connected set tank 11 and weep pipe 8 is set on step surface at interval.
Adopt above-mentioned construction sequence, make up each reinforced gabion layer until the engineering design height.Top layer reinforced gabion upper surface is laid steel mesh reinforcement 4, fluid concrete, form reinforced concrete floor 3, in reinforced concrete floor 3 or screed 6, bury the sensor 15 that is used to monitor barricade load and internal stress or strain underground, bury the extensometer 2 that extends in the side slope 1 that is reinforced underground, the monitoring slope deforming.Weep pipe 8 is set on reinforced concrete floor 3 at interval.
Steel bar stone cage retaining wall of the present invention is gathered materials on the spot except having, the easy construction, with low cost, advantage such as adaptive is strong, compare also with the plain edition steel bar stone cage retaining wall and to have the following advantages:
1, stronger slope reinforcement function
The reinforced concrete floor of reinforced gabion interlayer, the built-in fitting that inserts the reinforced gabion vertical reinforcement in the reinforced concrete floor and the mortar between gabion etc. can closely connect to each gabion an integral body, cause corresponding bulk strength very high.And this steel bar stone cage retaining wall still belongs to a kind of flexible structure.Because there is certain deformability in this flexible structure, so can suitably reduce that slope deforming causes and act directly on load on the barricade.This have certain deformability and the bigger wall-retaining structure of bulk strength and can significantly reduce the possibility that reinforced gabion disintegrates, thereby help the stable of side slope.
2, stronger anti-corrosion ability
The reinforcing bar of all gabions and steel wire are all wrapped up by concrete or mortar cover, cause this new reinforcing steel bar gabion baffling to have stronger anti-corrosion ability.Only in this way, reinforcing bar and the steel wire of forming barricade could keep its due intensity for a long time, and can satisfy the basic demand of slope reinforcement.
3, can realize efficient draining
Though itself has had good drain function the plain edition steel bar stone cage retaining wall, on drainage condition after all also less than the former side slope that does not have barricade.When the discharging of slope underground water became the key factor that influences stability of slope, it obviously was very important improving corresponding drainage condition.At this situation, when design new reinforcing steel bar gabion baffling, can in side slope, beat special drain hole according to actual needs, its aperture communicates with rubble (or gravel) in the gabion.Like this, the gutter that is communicated with reinforced gabion by the space between the rubble (or gravel) in slope drainage hole, the cage, along side slope trend and tendency direction, and the catch basin on the barricade step surface, gutter and weep pipe, the common drainage system that constitutes barricade can make this wall-retaining structure have drain function efficiently.
4, be easy to realize greening to barricade
Fixing soil box can be planted and is fit to the local environment growing plants on the barricade step surface, ruinate original vegetation in the time of can recovering the barricade construction.The efficient reinforcing function that this barricade had is enough to guarantee the long-term stability of soil box, can avoid the harmful effect of plant growing to barricade when utilizing soil box to afforest.The required water of soil box implants growth is mainly rainwater, and from side slope inside ooze out and flow through slope drainage hole, reinforced gabion rubble gap, gutter, catch basin and the water that flows out by weep pipe.
5, be easy to realize monitoring to side slope or barricade
In work progress, can in side slope, play special boring, so that extensometer is embedded in the layer of concrete of boring and gabion interlayer.Like this, can help to judge the stability of side slope or barricade by the deformation measurement data that obtains.Also can obtain load that barricade bears and monitored data such as inner stress or strain thereof by being embedded in sensor in the reinforced concrete floor or in the screed.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02159704 CN1198990C (en) | 2002-12-30 | 2002-12-30 | Layered Mesh Reinforced Gabion Retaining Wall for Slope Reinforcement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02159704 CN1198990C (en) | 2002-12-30 | 2002-12-30 | Layered Mesh Reinforced Gabion Retaining Wall for Slope Reinforcement |
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| Publication Number | Publication Date |
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| CN1512011A CN1512011A (en) | 2004-07-14 |
| CN1198990C true CN1198990C (en) | 2005-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 02159704 Expired - Fee Related CN1198990C (en) | 2002-12-30 | 2002-12-30 | Layered Mesh Reinforced Gabion Retaining Wall for Slope Reinforcement |
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2002
- 2002-12-30 CN CN 02159704 patent/CN1198990C/en not_active Expired - Fee Related
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| CN1512011A (en) | 2004-07-14 |
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| C14 | Grant of patent or utility model | ||
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| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: China Railway Construction Engineering Bureau No.16 Group Corp., Ltd. Assignor: Institute of Geology and Geophysics, Chinese Academy of Sciences Contract fulfillment period: 2009.4.28 to 2014.4.30 contract change Contract record no.: 2009990000478 Denomination of invention: Layered net type steel bar stone cage barricade for reinforcing slope Granted publication date: 20050427 License type: Exclusive license Record date: 2009.5.13 |
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Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2009.4.28 TO 2014.4.30; CHANGE OF CONTRACT Name of requester: CHINA RAILWAY 16 BUREAU GROUP CO., LTD. Effective date: 20090513 |
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Granted publication date: 20050427 Termination date: 20111230 |