CN102619229B - Ecological supporting and protecting system and construction method using flexible cladding soil nailing wall combined with reinforced earth - Google Patents

Ecological supporting and protecting system and construction method using flexible cladding soil nailing wall combined with reinforced earth Download PDF

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CN102619229B
CN102619229B CN201210107769.4A CN201210107769A CN102619229B CN 102619229 B CN102619229 B CN 102619229B CN 201210107769 A CN201210107769 A CN 201210107769A CN 102619229 B CN102619229 B CN 102619229B
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flexible cladding
reinforced earth
nail wall
soil nail
supporting system
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CN102619229A (en
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孙涛
刘胜梅
万雷
杨俊杰
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孙涛
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Abstract

The invention provides an ecological supporting and protecting system and a construction method using a flexible cladding soil nailing wall combined with reinforced earth. The flexible cladding soil nailing wall comprises a plurality of soil nails, a plurality of connecting structures and flexible cladding; one end of each of the connecting structures is connected fixedly with a corresponding soil nail, and the other end of each of the connecting structures is connected with the flexible cladding; soil nails are arranged fixedly in drilling holes arranged on a side slope, and the flexible cladding covers the surface of the side slope; a reinforced earth retaining wall comprises a reinforced material, a backfill soil layer and a vegetation layer; one end of the reinforced material is connected with the connecting structures, the backfill soil layer is embedded in the reinforced material, the vegetation layer is embedded in the backfill soil layer and is away from the flexible cladding, and the other end of the reinforced material wraps an end portion of the backfill soil layer; an automatic irrigation system comprises an impounding reservoirs and irrigation pipes, inlets of the impounding reservoirs are connected with a water discharging system of the side slope, outlets of the impounding reservoirs are connected with the irrigation pipes and the impounding reservoirs and irrigation pipes are arranged on the reinforced earth retaining wall.

Description

Flexible cladding soil nail wall associating reinforced earth ecological supporting system and construction method thereof
Technical field
The present invention relates to Geotechnical Engineering field, relate in particular to a kind of flexible cladding soil nail wall associating reinforced earth ecological supporting system and construction method thereof.
Background technology
Soil nail wall refers to the supporting and protection structure of the compositions such as the foundation pit side-wall soil body that adopts Soil-nailed and surface layer.As a kind of common foundation ditch (side slope) supporting type, soil-nail wall support is widely used in foundation ditch (side slope) engineering of non-soft soil site.Be applied to foundation ditch (side slope) engineering of the supporting while digging more.Chinese invention patent name is called flexible surface layer soil nailing wall support system and construction method (application number 201010543317.1) adopts novel flexible surface material (geotextile, geomembrane, earthwork composite material, geotechnological special material) replace traditional rigid surface, solved rigid surface speed of application slow, cost is high, discontinuity, complicated construction technique and the not problem of environmental protection; The connection of soil nailing and surface layer adopts high tensile flexible rope to be connected pattern, has accelerated speed of application, has simplified construction technology, has reduced construction costs; But when back filled region restricted width is processed, back filled region cannot arrange enough wide reinforced earth bulkhead, cannot guarantee the stability of barricade.At present, the research field that raw substrate ecological preventive works technology is planted in rock slope by Japan is in advanced in the world, in the 70's of 20th century, developed the vimentin filament soil greening method of suitable rock slope plant protection, after this, develop again the multiple injection greening construction technology for rock slope, can be applicable to soft rock, hard rock side slope and acidity, highly acid soil-slope that the gradient is less than 1: 0.15.Although the rock slope ecological protection technology of Japan is very advanced, can not directly apply to domestic.From technical elements, Japanese Climate warm and moist, various places annual precipitation all surpasses 1200mm, under the annual precipitation of its revetment design, is limited to 1200mm, and China only has the southern areas in Central China, south China, East China can directly adopt this technology.From economic aspect, its cost is up to 400 yuan/m 2, be difficult to promote at home.The afforestation effect that how to guarantee Ecological Slope under the lower weather conditions of amount of precipitation is a problem of needing solution badly.
Summary of the invention
The invention provides a kind of flexible cladding soil nail wall associating reinforced earth ecological supporting system and construction method thereof, can solve the Greening problem of existing sprayed mortar bank protection, can solve when back filled region restricted width is processed, be difficult to realize the design problem of reinforced earth bulkhead, solve arid area precipitation deficit simultaneously and cause the poor problem of gradient slope plant growing condition.
The invention provides a kind of flexible cladding soil nail wall associating reinforced earth ecological supporting system, comprising: flexible cladding soil nail wall, automatic irrigation system and multilayer reinforced earth bulkhead; Described flexible cladding soil nail wall comprises: a plurality of soil nailings, a plurality of syndeton and flexible cladding; Described in each, one end of syndeton is fixedly connected with corresponding described soil nailing, and the other end is fixedly connected with described flexible cladding; Described soil nailing is installed in the boring of offering in side slope, and described flexible cladding covers on the surface of described side slope; Described reinforced earth bulkhead comprises reinforcement material, back fill course and plants raw layer; One end of described reinforcement material is connected with described syndeton, described back fill course landfill is on described reinforcement material, the described life layer of planting is embedded in described back fill course and away from described flexible cladding, and the end of back fill course is stated in the other end anti-package residence of described reinforcement material; Described automatic irrigation system comprises reservoir and irrigation conduit, the import of described reservoir is connected with the drainage system of described side slope, the outlet of described reservoir is connected with described irrigation conduit, and described reservoir and described irrigation conduit are arranged on described reinforced earth bulkhead.
Flexible cladding soil nail wall associating reinforced earth ecological supporting system provided by the invention, by reinforcement material and flexible cladding are linked together, make linking together of flexible cladding soil nail wall and reinforced earth bulkhead close and firm, due to reinforced earth bulkhead, by reinforcement material, coordinate with flexible cladding directly and flexible cladding soil nail wall links together, make reinforced earth bulkhead not limited by back filled region width, expanded the range of application of reinforced earth bulkhead; In addition, automatic irrigation system is set on reinforced earth bulkhead, water in the drainage system of reservoir collection side slope, and by irrigation conduit, water is flowed to the raw layer of planting in reinforced earth bulkhead, realization is to planting raw layer automatic irrigation, solve arid area precipitation deficit and caused the poor problem of gradient slope plant growing condition, by flexible cladding soil nail wall associating reinforced earth ecological supporting system, can realize reinforced earth bulkhead and slope greening organically combines, effectively reduced construction cost.
Flexible cladding soil nail wall associating reinforced earth ecological supporting system as above, in order to strengthen the structural strength of flexible cladding, flexible cladding soil nail wall associating reinforced earth ecological supporting system also comprises reinforcing rib, described reinforcing rib is installed in described syndeton, and described reinforcement material is connected with described reinforcing rib.
Flexible cladding soil nail wall associating reinforced earth ecological supporting system as above, described reinforcing rib comprises many horizontal stiffeners and many vertical strengthening ribs; The cross one another formation net structure that is fixed together of described horizontal stiffener and described vertical strengthening ribs; Described reinforcement material sews up with described horizontal stiffener or colligation is fixedly connected with.
Flexible cladding soil nail wall associating reinforced earth ecological supporting system as above, described horizontal stiffener and described vertical strengthening ribs are reinforcing band, or for strengthening rope.
Flexible cladding soil nail wall associating reinforced earth ecological supporting system as above, in order conveniently flexible cladding to be connected with soil nailing by syndeton, described syndeton is for flexibly connecting rope; Described one end that flexibly connects rope is installed on described soil nailing, and the other end is installed on described flexible cladding, or is installed on described flexible cladding by reinforcing rib.
Flexible cladding soil nail wall as above associating reinforced earth ecological supporting system, described in flexibly connect rope and be provided with confinement ring near the end of described flexible cladding.
Flexible cladding soil nail wall associating reinforced earth ecological supporting system as above, the position near described import in described reservoir is provided with baffle plate, and the top that described reservoir is positioned at described outlet is provided with overfall.
Flexible cladding soil nail wall as above associating reinforced earth ecological supporting system, described flexible cladding and described reinforcement material are geotextile, or be geomembrane, or be earthwork composite material or be geotechnological special material or be geo-grid.
Flexible cladding soil nail wall as above associating reinforced earth ecological supporting system, the end of the reinforcement material described in adjacent two layers in reinforced earth bulkhead links together.
The present invention also provides a kind of flexible cladding soil nail wall associating reinforced earth ecological supporting system construction method, adopts flexible cladding soil nail wall associating reinforced earth ecological supporting system as above.The concrete steps of this construction method comprise:
Step 1, in side slope to be protected, offer boring, and the soil nailing in described flexible cladding soil nail wall associating reinforced earth ecological supporting system is fixed in described boring;
Step 2, the flexible material surface layer that described flexible cladding soil nail wall is combined in reinforced earth ecological supporting system cover in described side slope;
Step 3, by the syndeton in described flexible cladding soil nail wall associating reinforced earth ecological supporting system, described flexible cladding is closely connected with soil nailing, so that described flexible cladding is attached in described side slope;
Step 4, in a side of flexible cladding soil nail wall, lay reinforcement material, and reinforcement material and flexible cladding are linked together;
Step 5, on reinforcement material, fill up back fill course and embed in one end of back fill course and plant raw layer, then, by reinforcement material anti-package, live back fill course;
Step 6, repeating step 5, until the height of reinforced earth bulkhead arrives the top, slope of side slope, are arranged on reservoir and irrigation conduit on reinforced earth bulkhead simultaneously.
Flexible cladding soil nail wall associating reinforced earth ecological supporting system construction method provided by the invention, by reinforcement material and flexible cladding are linked together, make linking together of flexible cladding soil nail wall and reinforced earth bulkhead close and firm, due to reinforced earth bulkhead, by reinforcement material, coordinate with flexible cladding directly and flexible cladding soil nail wall links together, make reinforced earth bulkhead not limited by back filled region width, expanded the range of application of reinforced earth bulkhead; In addition, automatic irrigation system is set on reinforced earth bulkhead, reservoir is collected the water in slope drainage system, and by irrigation conduit, water is flowed to the raw layer of planting in reinforced earth bulkhead, realization is to planting raw layer automatic irrigation, solve arid area precipitation deficit and caused the poor problem of gradient slope plant growing condition, by flexible cladding soil nail wall associating reinforced earth ecological supporting system, can realize reinforced earth bulkhead and slope greening organically combines, effectively reduced construction cost.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the use state reference map of flexible cladding soil nail wall associating reinforced earth ecological supporting system implementation example of the present invention;
Fig. 2 is the structural representation of flexible cladding soil nail wall in flexible cladding soil nail wall associating reinforced earth ecological supporting system implementation example of the present invention;
Fig. 3 is the local enlarged diagram one of a-quadrant in Fig. 2;
Fig. 4 is the structural representation of reservoir in flexible cladding soil nail wall associating reinforced earth ecological supporting system implementation example of the present invention.
The specific embodiment
For making object, technical scheme and the advantage of the embodiment of the present invention clearer, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
Fig. 1 is the use state reference map of flexible cladding soil nail wall associating reinforced earth ecological supporting system implementation example of the present invention; Fig. 2 is the structural representation of flexible cladding soil nail wall in flexible cladding soil nail wall associating reinforced earth ecological supporting system implementation example of the present invention; Fig. 3 is the local enlarged diagram one of a-quadrant in Fig. 2; Fig. 4 is the structural representation of reservoir in flexible cladding soil nail wall associating reinforced earth ecological supporting system implementation example of the present invention.As Figure 1-Figure 4, the present embodiment flexible cladding soil nail wall associating reinforced earth ecological supporting system, comprising: flexible cladding soil nail wall 100, automatic irrigation system 300 and multilayer reinforced earth bulkhead 200; Flexible cladding soil nail wall 100 comprises: a plurality of soil nailings 2, a plurality of syndeton 3 and flexible cladding 1; One end of each syndeton 3 is fixedly connected with corresponding soil nailing 2, and the other end is fixedly connected with flexible cladding 1; Soil nailing 2 is installed in the boring 101 of offering in side slope 10, and flexible cladding 1 covers on the surface of side slope 10; Reinforced earth bulkhead 200 comprises reinforcement material 5, back fill course 6 and plants raw layer 7; One end of reinforcement material 5 is connected with syndeton 3, and back fill course 6 landfills, on reinforcement material 5, are planted raw layer 7 and are embedded in back fill course 6 and away from flexible cladding 1, and the other end anti-package of reinforcement material 5 is lived the end of back fill course 6; Automatic irrigation system 300 comprises reservoir 8 and irrigation conduit 9, and the import 81 of reservoir 8 is connected with the drainage system (not shown) of side slope 10, and the outlet 82 of reservoir 8 is connected with irrigation conduit 9, and reservoir 8 and irrigation conduit 9 are arranged on reinforced earth bulkhead 200.
Particularly, the present embodiment flexible cladding soil nail wall associating reinforced earth ecological supporting system is provided with multilayer reinforced earth bulkhead 200 in a side of flexible cladding soil nail wall 100, reinforced earth bulkhead 200 is for filling back filled region, on reinforced earth bulkhead 200, be provided with automatic irrigation system 300, by automatic irrigation system 300, realize the raw layer 7 of planting in reinforced earth bulkhead 200 is carried out to automatic irrigation.Wherein, flexible cladding soil nail wall 100 in the present embodiment is fixedly installed on soil nailing 2 in the boring 101 of offering in side slope 10 by slip casting, and by syndeton 3, flexible cladding 1 and soil nailing 2 are linked together, when being connected with soil nailing 2, flexible cladding 1 can suitably apply prestressing force, make to cover in side slope 10 after flexible cladding 1 tensioning, flexible cladding 1 is flexible structure, lightweight, the injection steel concrete surface layer that has replaced prior art, staff can be laid on flexible cladding 1 on the surface of side slope 10 easily, shortened significantly the present embodiment flexible cladding soil nail wall associating reinforced earth ecological supporting system has been arranged on to the duration in side slope 10, and because the cost ratio concrete of flexible cladding 1 is low, effectively reduce the construction costs of carrying out side slope protection.After flexible cladding soil nail wall 100 has been laid, just can lay reinforced earth bulkhead 200 in the back filled region of flexible cladding soil nail wall 100 1 sides, first one end of reinforcement material 5 and flexible cladding 1 are fixed together, for example: reinforcement material 5 can be tied by rope with flexible cladding 1, reinforcement material 5 is fixed on flexible cladding soil nail wall 100, then tamped backfill soil layer 6 embed and plant raw layer 7 at back fill course 6 on reinforcement material 5, finally the other end of reinforcement material 5 is oppositely encased to back fill course 6 parts, just complete thus one deck reinforced earth bulkhead 200, the stacking multilayer reinforced earth bulkhead 200 that arranges as required, until reach the top, slope of side slope 10.And automatic irrigation system 300 is in the process of deployment of reinforced earth bulkhead 200, a plurality of automatic irrigation systems 300 can be set as required, preferred, the reservoir 8 in automatic irrigation system 300 can be embedded in back fill course 6.Reservoir 8 is connected with the drainage system of side slope 10, and by reservoir 8, can collect rainwater and plant raw layer 7 for irrigating, be arid season storage water source simultaneously.Wherein, the flexible cladding 1 in the present embodiment and reinforcement material 5 can be geotextile, or are geomembrane, or are earthwork composite material or for geotechnological special material or be the geosynthetics such as geo-grid; Or be the flexible material that other structural strengths are higher.The present embodiment flexible cladding soil nail wall associating reinforced earth ecological supporting system does not limit the concrete material of flexible cladding 1 and reinforcement material 5.
Preferably, the end of the reinforcement material 5 in adjacent two layers reinforced earth bulkhead 200 links together.Concrete, in adjacent two layers reinforced earth bulkhead 200, reinforcement material 5 all links together with flexible cladding 1 near the end of flexible cladding 1; And reinforcement material 5 is away from the end of flexible cladding 1, the part that reinforcement material 5 below being positioned at oppositely encases back fill course 6 links together with the reinforcement material 5 that is positioned at top, thereby make each layer of reinforced earth bulkhead 200 form an overall structure, strengthened the reliability of the present embodiment flexible cladding soil nail wall associating reinforced earth ecological supporting system.
Further, for flexible cladding 1 is more firmly fixed in side slope 10, flexible cladding soil nail wall 100 in the present embodiment is also provided with concrete pavement 11 at the top of side slope 10, concrete pavement 11, flexible cladding 1 extends reflexed to the top of side slope 10, and concrete pavement 11 is pressed on flexible cladding 1 and by syndeton 3 and the vertical soil nailing 2 arranging and links together.
The present embodiment flexible cladding soil nail wall associating reinforced earth ecological supporting system, by reinforcement material and flexible cladding are linked together, make linking together of flexible cladding soil nail wall and reinforced earth bulkhead close and firm, due to reinforced earth bulkhead, by reinforcement material, coordinate with flexible cladding directly and flexible cladding soil nail wall links together, make reinforced earth bulkhead not limited by back filled region width, expanded the range of application of reinforced earth bulkhead; In addition, automatic irrigation system is set on reinforced earth bulkhead, water in the drainage system of reservoir collection side slope, and by irrigation conduit, water is flowed to the raw layer of planting in reinforced earth bulkhead, realization is to planting raw layer automatic irrigation, solve arid area precipitation deficit and caused the poor problem of gradient slope plant growing condition, by flexible cladding soil nail wall associating reinforced earth ecological supporting system, can realize reinforced earth bulkhead and slope greening organically combines, effectively reduced construction cost.
Based on technique scheme, optional, in order to strengthen the structural strength of flexible cladding 1, the present embodiment flexible cladding soil nail wall associating reinforced earth ecological supporting system also comprises reinforcing rib, and reinforcing rib is installed in syndeton 3, and reinforcement material 5 is connected with reinforcing rib.
Particularly, the reinforcing rib in the present embodiment can comprise many horizontal stiffeners 42 and many vertical strengthening ribs 41; Horizontal stiffener 42 and vertical strengthening ribs 41 can be take the soil nailing formation net structure that is fixed together as node is cross one another, and reinforcement material 5 is fixedly connected with horizontal stiffener 42 stitchings or colligation.By reinforcing rib, can effectively strengthen the structural strength of flexible cladding 1, thereby can make flexible cladding 1 can bear the larger soil pressure that side slope 10 lateral displacements produce, the present embodiment flexible cladding soil nail wall associating reinforced earth ecological supporting system can more effectively guarantee the stable of side slope 10.Wherein, the horizontal stiffener 42 in the present embodiment can be the local reinforcing band of strengthening formation on flexible cladding 1 with vertical strengthening ribs 41, or is additional reinforcement rope after flexible cladding 1 is laid.
Further, in order conveniently flexible cladding 1 to be connected with soil nailing 2 by syndeton 3, the syndeton 3 in the present embodiment can be for flexibly connecting rope; The one end that flexibly connects rope is installed on soil nailing 2, and the other end is installed in flexible cladding 1.Concrete, in the present embodiment, syndeton 3 adopts and flexibly connects rope, such as: high-strength high-modulus fibre rope or nylon rope etc.In the use procedure of the present embodiment flexible cladding soil nail wall associating reinforced earth ecological supporting system, one end that flexibly connects rope in the present embodiment can be fixed in soil nailing 2, the other end passes flexible cladding 1 afterwards and reinforcing rib is held together, thereby the syndeton 3 of passing through that can be convenient links together flexible cladding 1 and soil nailing 2.By employing, flexibly connect rope and can make the more convenient construction of the present embodiment flexible cladding soil nail wall associating reinforced earth ecological supporting system, and flexibly connect rope and there is corrosion-resistant long service life, thereby extended the application life of the present embodiment flexible cladding soil nail wall associating reinforced earth ecological supporting system.In addition, syndeton 3 in the present embodiment adopts and flexibly connects after rope, can facilitate workman to operate, workman can adopt an end that flexibly connects rope knotting or gluing or adopt other fixed forms to realize conveniently and solidly with soil nailing 2 to be fixed together, and the other end that flexibly connects rope can be tied with flexible cladding 1, also can through flexible cladding 1 and reinforcing rib, be fixed together flexibly connecting rope, thereby be fixedly connected with flexible cladding 1 by flexibly connecting to restrict will flexibly connect to restrict with the knot 31 of reinforcing rib formation, thereby by flexibly connecting rope, flexible cladding 1 is fixedly connected with soil nailing 2 easily.Preferably, for fear of flexibly connect rope near the end face of flexible cladding 1 because damaged by soil layer tension force, the end that flexibly connects the close flexible cladding 1 of rope in the present embodiment is provided with confinement ring 32, concrete, by confinement ring 32, constrain in closely and flexibly connect rope near the end of flexible cladding 1, effectively strengthened the structural strength that flexibly connects end portion, avoided flexibly connecting end and occurred because of the phenomenon that damaged by soil layer tension force.
Further, for more effective storing rainwater, guarantee that automatic irrigation system 300 normally moves, the position near import 81 in the reservoir 8 in the present embodiment in automatic irrigation system 300 is provided with baffle plate 83, and the top that reservoir 8 is positioned at outlet 82 is provided with overfall 84.Concrete, the baffle plate 83 of reservoir 8 can effectively stop filter the rainwater entering from import 81, and from drainage system, flowing into the silt that the rainwater in reservoir 8 is mingled with will be stopped by baffle plate 83, avoid silt that irrigation conduit 9 is stopped up.
The present invention also provides a kind of flexible cladding soil nail wall associating reinforced earth ecological supporting system construction method, adopt the flexible cladding soil nail wall associating reinforced earth ecological supporting system in flexible cladding soil nail wall associating reinforced earth ecological supporting system implementation example of the present invention, its concrete steps comprise:
Step 1, in side slope to be protected, offer boring, and the soil nailing in described flexible cladding soil nail wall associating reinforced earth ecological supporting system is fixed in described boring;
Step 2, the flexible material face that described flexible cladding soil nail wall is combined in reinforced earth ecological supporting system cover in described side slope;
Step 3, by the syndeton in described flexible cladding soil nail wall associating reinforced earth ecological supporting system, described flexible cladding is closely connected with soil nailing, so that described flexible cladding is attached in described side slope;
Step 4, in a side of flexible cladding soil nail wall, lay reinforcement material, and reinforcement material and flexible cladding are linked together;
Step 5, on reinforcement material, fill up back fill course and plant raw layer in one section of embedding of back fill course, then, by reinforcement material anti-package, live back fill course;
Step 6, repeating step 5, until the height of reinforced earth bulkhead arrives the top, slope of side slope, are arranged on reservoir and irrigation conduit on reinforced earth bulkhead simultaneously.
The present embodiment flexible cladding soil nail wall associating reinforced earth ecological supporting system construction method, by reinforcement material and flexible cladding are linked together, make linking together of flexible cladding soil nail wall and reinforced earth bulkhead close and firm, due to reinforced earth bulkhead, by reinforcement material, coordinate with flexible cladding directly and flexible cladding soil nail wall links together, make reinforced earth bulkhead not limited by back filled region width, expanded the range of application of reinforced earth bulkhead; In addition, automatic irrigation system is set on reinforced earth bulkhead, water in the drainage system of reservoir collection side slope, and by irrigation conduit, water is flowed to the raw layer of planting in reinforced earth bulkhead, realization is to planting raw layer automatic irrigation, solve arid area precipitation deficit and caused the poor problem of gradient slope plant growing condition, by flexible cladding soil nail wall associating reinforced earth ecological supporting system, can realize reinforced earth bulkhead and slope greening organically combines, effectively reduced construction cost.
Finally it should be noted that: above embodiment only, in order to technical scheme of the present invention to be described, is not intended to limit; Although the present invention is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or part technical characterictic is wherein equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.

Claims (9)

1. a flexible cladding soil nail wall associating reinforced earth ecological supporting system, is characterized in that, comprising: flexible cladding soil nail wall, automatic irrigation system and multilayer reinforced earth bulkhead; Described flexible cladding soil nail wall comprises: a plurality of soil nailings, a plurality of syndeton and flexible cladding; Described in each, one end of syndeton is fixedly connected with corresponding described soil nailing, and the other end is fixedly connected with described flexible cladding; Described soil nailing is installed in the boring of offering in side slope, and described flexible cladding covers on the surface of described side slope; Described reinforced earth bulkhead comprises reinforcement material, back fill course and plants raw layer; One end of described reinforcement material is connected with described syndeton, described back fill course landfill is on described reinforcement material, the described life layer of planting is embedded in described back fill course and away from described flexible cladding, and the end of back fill course is stated in the other end anti-package residence of described reinforcement material; Described automatic irrigation system comprises reservoir and irrigation conduit, the import of described reservoir is connected with the drainage system of described side slope, the outlet of described reservoir is connected with described irrigation conduit, and described reservoir and described irrigation conduit are arranged on described reinforced earth bulkhead; The end of the reinforcement material described in adjacent two layers in reinforced earth bulkhead links together.
2. flexible cladding soil nail wall associating reinforced earth ecological supporting system according to claim 1, is characterized in that, also comprise reinforcing rib, described reinforcing rib is installed in described syndeton, and described reinforcement material is connected with described reinforcing rib.
3. flexible cladding soil nail wall associating reinforced earth ecological supporting system according to claim 2, is characterized in that, described reinforcing rib comprises many horizontal stiffeners and many vertical strengthening ribs; The cross one another formation net structure that is fixed together of described horizontal stiffener and described vertical strengthening ribs; Described reinforcement material sews up with described horizontal stiffener or colligation is fixedly connected with.
4. flexible cladding soil nail wall associating reinforced earth ecological supporting system according to claim 3, is characterized in that, described horizontal stiffener and described vertical strengthening ribs are reinforcing band, or for strengthening rope.
5. flexible cladding soil nail wall associating reinforced earth ecological supporting system according to claim 1, is characterized in that, described syndeton is for flexibly connecting rope; Described one end that flexibly connects rope is installed on described soil nailing, and the other end is installed on described flexible cladding.
6. flexible cladding soil nail wall according to claim 5 associating reinforced earth ecological supporting system, is characterized in that, described in flexibly connect rope and be provided with confinement ring near the end of described flexible cladding.
7. flexible cladding soil nail wall associating reinforced earth ecological supporting system according to claim 1, is characterized in that, the position near described import in described reservoir is provided with baffle plate, and the top that described reservoir is positioned at described outlet is provided with overfall.
8. flexible cladding soil nail wall according to claim 1 is combined reinforced earth ecological supporting system, it is characterized in that, described flexible cladding and described reinforcement material are geotextile, or are geomembrane, or are earthwork composite material or for geotechnological special material or for geo-grid.
9. a flexible cladding soil nail wall associating reinforced earth ecological supporting system construction method, is characterized in that, adopts the flexible cladding soil nail wall as described in as arbitrary in claim 1~8 to combine reinforced earth ecological supporting system, and the concrete steps of this construction method comprise:
Step 1, in side slope to be protected, offer boring, and the soil nailing in described flexible cladding soil nail wall associating reinforced earth ecological supporting system is fixed in described boring;
Step 2, the flexible material face that described flexible cladding soil nail wall is combined in reinforced earth ecological supporting system cover in described side slope;
Step 3, by the syndeton in described flexible cladding soil nail wall associating reinforced earth ecological supporting system, described flexible cladding is closely connected with soil nailing, so that described flexible cladding is attached in described side slope;
Step 4, in a side of flexible cladding soil nail wall, lay reinforcement material, and reinforcement material and flexible cladding are linked together;
Step 5, on reinforcement material, fill up back fill course and embed in one end of back fill course and plant raw layer, then, by reinforcement material anti-package, live back fill course;
Step 6, repeating step 5, until the height of reinforced earth bulkhead arrives the top, slope of side slope, are arranged on reservoir and irrigation conduit on reinforced earth bulkhead simultaneously.
CN201210107769.4A 2012-04-13 2012-04-13 Ecological supporting and protecting system and construction method using flexible cladding soil nailing wall combined with reinforced earth Active CN102619229B (en)

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