CN208899490U - A kind of soil nailed wall retaining structure - Google Patents
A kind of soil nailed wall retaining structure Download PDFInfo
- Publication number
- CN208899490U CN208899490U CN201820417534.8U CN201820417534U CN208899490U CN 208899490 U CN208899490 U CN 208899490U CN 201820417534 U CN201820417534 U CN 201820417534U CN 208899490 U CN208899490 U CN 208899490U
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- Prior art keywords
- soil
- layer
- wall supporting
- nut
- soil nailing
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- 239000002689 soil Substances 0.000 title claims abstract description 89
- 230000001681 protective effect Effects 0.000 claims abstract description 31
- 239000011248 coating agent Substances 0.000 claims abstract description 24
- 238000000576 coating method Methods 0.000 claims abstract description 24
- 238000010276 construction Methods 0.000 claims abstract description 22
- 239000010410 layer Substances 0.000 claims description 49
- 239000002344 surface layer Substances 0.000 claims description 23
- 238000005260 corrosion Methods 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 230000007797 corrosion Effects 0.000 claims description 8
- 230000003014 reinforcing effect Effects 0.000 claims description 7
- 241000587161 Gomphocarpus Species 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 229920005594 polymer fiber Polymers 0.000 claims description 4
- 239000004746 geotextile Substances 0.000 claims description 3
- 230000003628 erosive effect Effects 0.000 abstract description 5
- 238000004134 energy conservation Methods 0.000 abstract description 2
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 6
- 238000009434 installation Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000005553 drilling Methods 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000000956 alloy Chemical group 0.000 description 1
- 229910045601 alloy Chemical group 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000009958 sewing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
Abstract
The utility model discloses a kind of soil nailed wall retaining structure, is related to construction equipment technical field, has the characteristics that energy conservation and environmental protection, easy construction, and the soil nail wall for being compared to traditional concrete structure is more suitable for the popularization and application of large area.The soil nailed wall retaining structure includes erosion resistant coating and pervious bed, and fixing piece includes multiple soil nailings and the flexible protective rope connecting with adjacent soil nailing, and soil nailing successively penetrates erosion resistant coating, pervious bed and slopes through fixing, and flexible protective Rope Shop is set to the upper surface of erosion resistant coating；Wherein, soil nailing includes thread groove tube, cone cell ailhead and nut, and the head end and cone cell ailhead of thread groove tube, which are integrally formed, to be connected, and the tail end of thread groove tube is equipped with screw thread, and nut is detachably connected with thread groove tube.
Description
Technical Field
The utility model relates to a construction equipment technical field especially relates to a soil nailing wall supporting construction.
Background
At present, the technology of soil nailing wall side slope support or foundation pit support is widely applied, wherein during the process of excavating a side slope or a foundation pit layer by layer, denser soil nails are applied on a slope surface in situ to strengthen the soil body, and a net is hung and concrete is sprayed to stabilize the slope surface. The construction process of the soil nailing wall is as follows: side slope excavation → slope surface finishing → soil nail hole drilling → rib placing → soil nail hole grouting → slope surface net hanging → slope surface concrete spraying. Specifically, the soil nailing wall supporting structure comprises a soil nailing fixing part and a surface layer protection part, the main structure of the surface layer protection part in the prior art is a concrete surface layer, and the concrete surface layer can be formed by spraying concrete on a reinforcing mesh sheet during construction.
However, the surrounding environment is polluted in the process of spraying concrete, and the construction cost is high due to the high cost of concrete, so that the soil nailing wall structure in the prior art is contrary to the green development of energy conservation and environmental protection.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a soil nailing wall supporting construction, it has characteristics such as energy-concerving and environment-protective, construction are simple and convenient, compares in traditional soil nailing wall structure more be fit for the popularization and the application of large tracts of land.
The utility model provides a soil nailing wall supporting structure, which consists of a protective surface layer and a fixing part, wherein the protective surface layer comprises an anticorrosive coating and a permeable layer, the fixing part comprises a plurality of soil nails and flexible protective ropes connected with the adjacent soil nails, the soil nails sequentially penetrate through the anticorrosive coating and the permeable layer and are fixedly penetrated with a slope body, and the flexible protective ropes are laid on the upper surface of the anticorrosive coating; wherein,
the soil nail comprises a threaded groove pipe, a conical nail head and a nut, the head end of the threaded groove pipe is integrally connected with the conical nail head, threads are arranged at the tail end of the threaded groove pipe, and the nut is detachably connected with the threaded groove pipe.
Preferably, the soil nail further comprises a backing ring arranged between the anticorrosive layer and the nut, and a plurality of connecting holes used for fixing the flexible protection rope are formed in the backing ring.
Preferably, the channel of the thread groove pipe is provided with a plurality of through holes which are arranged in a penetrating way.
Preferably, the threaded groove pipe is a PVC expansion nail.
Further, soil nail still includes only the oar stopper, only the oar stopper includes integrated into one piece's connecting bolt, sleeve and flange, the flange with the tail end threaded connection of screw thread groove pipe, the connecting bolt with the line connection can be dismantled to the nut.
Preferably, the fixing part further comprises a plurality of reinforcing ribs for fixing, and two ends of each reinforcing rib are respectively welded with the end parts of the adjacent connecting bolts.
Preferably, a plurality of penetrating holes are reserved on the protective surface layer, and lantern rings corresponding to the diameters of the threaded groove pipes are embedded in the penetrating holes.
Preferably, the anticorrosive coating is a polymer fiber layer, and the permeable layer is a permeable geotextile layer.
Illustratively, the thickness d of the corrosion protection layer1Is 1cm, the thickness d of the water permeable layer2Is 1 cm.
Optionally, a metal wire mesh grid is further laid between the anticorrosive coating and the permeable layer, and the metal wire mesh grid is fixed with the anticorrosive coating and the permeable layer respectively.
Compared with the prior art, the utility model provides a soil nailing wall supporting construction has following beneficial effect:
the utility model provides an among the soil nail wall supporting construction, by the soil nail, the anticorrosive coating, permeable bed and nut constitute, in the in-process of construction, at first utilize mechanical drill to punch in the department of correspondence of the slope body, finish the back with the hole of packing into of soil nail one-to-one, and lay permeable bed and anticorrosive coating on the slope body that is equipped with the soil nail in proper order, make each soil nail pierce through the installation that permeable bed and anticorrosive coating accomplished the protection surface course respectively, the setting through the permeable bed can make the infiltration in the slope body in time discharge, ponding detention infiltration in the soil has been avoided, and simultaneously, because the anticorrosive coating has the solarization-resistant water-stop, characteristics such as stretching resistance intensity height, so can effectually prevent the etching of outside sand storm water, make this soil nail wall supporting construction be applicable to the rock quality weak water slope body environment that permeates water of coastal more. In addition, through connecting flexible protection rope between adjacent soil nail, have the effect of pasting tight anticorrosive coating, permeable bed and the slope body on the one hand, on the other hand still has and dredges the pressure of the falling stone of slope body on the protective surface layer to flexible protection rope, decomposes the effect on the soil nail that links to each other with pressure on the flexible protection rope again, has guaranteed the fastness of soil nail wall.
Not only here, because the nut can be dismantled with the screw thread groove pipe and be connected, consequently can realize the secondary recycle of protection surface course and mounting through the dismouting nut, so compare in traditional concrete structure, the utility model provides a soil nail wall supporting construction still has energy-concerving and environment-protective characteristics, and the popularization and application of the large tracts of land of being convenient for.
Drawings
The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it. In the drawings:
fig. 1 is a schematic view of a soil nailing wall composed of a plurality of soil nailing wall supporting structures in the embodiment;
fig. 2 is a schematic view of the soil nailing wall supporting structure of fig. 1;
fig. 3 is another schematic view of the brad wall support structure of fig. 1;
FIG. 4 is a schematic view of the soil nail structure of FIG. 2 or 3;
FIG. 5 is a schematic view of the backing ring of FIG. 1;
FIG. 6 is a cross-sectional view of the protective overcoat of FIG. 1.
Reference numerals:
1-a fixing piece, 2-a protective surface layer;
11-soil nails, 12-flexible protective ropes;
13-stop plug, 14-backing ring;
111-tapered pin head, 112-threaded grooved tube;
113-nut, 1121-through hole;
131-flange, 132-sleeve;
133-connecting bolt, 141-connecting hole;
21-anticorrosive layer, 22-permeable layer;
23-collar.
Detailed Description
In order to further explain the supporting structure of the soil nailing wall provided by the embodiment, the following detailed description is made in conjunction with the attached drawings of the specification.
Referring to fig. 1 and 2, the soil nailing wall supporting structure provided by the embodiment is composed of a protective surface layer 2 and a fixing member 1, wherein the protective surface layer 2 includes an anticorrosive layer 21 and a permeable layer 22, the fixing member 1 includes a plurality of soil nails 11 and flexible protective ropes 12 connected with adjacent soil nails 11, the soil nails 11 sequentially penetrate through the anticorrosive layer 21 and the permeable layer 22 to be fixed with a slope body in a penetrating manner, and the flexible protective ropes 12 are laid on the upper surface of the anticorrosive layer 21; the soil nail 11 comprises a threaded groove pipe 112, a conical nail head 111 and a nut 113, the head end of the threaded groove pipe 112 is integrally connected with the conical nail head 111, the tail end of the threaded groove pipe 112 is provided with threads, and the nut 113 is detachably connected with the threaded groove pipe 112.
In the soil nailing wall supporting structure provided by the embodiment, the soil nailing wall supporting structure is composed of soil nails 11, an anticorrosive coating 21, a permeable coating 22 and nuts 113, in the construction process, firstly, a mechanical drill is used for drilling holes at the corresponding position of a slope, after the drilling is finished, the soil nails 11 are correspondingly arranged in the holes one by one, the permeable coating 22 and the anticorrosive coating 21 are sequentially laid on the slope provided with the soil nails 11, each soil nail 11 respectively penetrates through the permeable coating 22 and the anticorrosive coating 21 to complete the installation of the protective surface layer 2, the water seepage in the slope can be timely discharged through the arrangement of the permeable coating 22, the water retention and seepage in soil are avoided, meanwhile, the anticorrosive coating 21 has the characteristics of sun resistance, water resistance, high tensile strength and the like, so that the erosion of external wind and sand rainwater can be effectively prevented, and the soil nailing wall supporting structure 11 is more suitable for the coastal rocky weak permeable slope environment. In addition, through connecting flexible protection rope 12 between adjacent soil nail 11, have the effect of pasting tight anticorrosive coating 21, permeable bed 22 and the slope body on the one hand, on the other hand still has and dredges the pressure of the falling stone of slope body on protection surface course 2 to flexible protection rope 12 on, decomposes the effect on the soil nail 11 that links to each other with pressure on the flexible protection rope 12 again, has guaranteed the fastness of soil nail 11 wall.
Not only here, because nut 113 and threaded groove pipe 112 can be dismantled and be connected, consequently can realize the secondary recycle of protection surface course 2 and mounting 1 through dismouting nut 113, so compare in traditional concrete structure, the soil nailing wall supporting construction that this embodiment provided still has energy-concerving and environment-protective characteristics, the popularization and application of large tracts of land of being convenient for.
In order to facilitate the installation of the flexible protection rope 12, referring to fig. 2, fig. 3 and fig. 5, the soil nail 11 in the above embodiment further includes a backing ring 14 disposed between the corrosion protection layer 21 and the nut 113, and the backing ring 14 is provided with a plurality of connecting holes 141 for fixing the flexible protection rope 12. Because the cross-sectional area of the backing ring 14 is far larger than that of the nut 113, the stress area of the nut 113 on the protective surface layer 2 can be shared, and the protective surface layer 2 can be fixed better; and a plurality of connecting holes 141 are formed in the backing ring 14, so that the flexible protection rope 12 and the soil nail 11 can be conveniently detached and connected. Exemplarily, each backing ring 14 is provided with 4 coaxially symmetrical connecting holes 141, and with the current position of the backing ring 14 as a base point, 4 flexible protective ropes 12 are used to respectively connect 4 backing rings 14 adjacent to the base point with 4 connecting holes 141 of the current backing ring 14, so that a stress net can be formed on the upper surface of the corrosion-resistant layer 21, and the firmness of the soil nail 11 wall is ensured.
Optionally, referring to fig. 4, a plurality of through holes 1121 are formed through the groove of the threaded groove pipe 112, and the threaded groove pipe 112 can be combined with soil in a slope body more tightly by forming the plurality of through holes 1121 through the groove, so that the firmness of fixing between the soil nails 11 and the slope body is improved, and for example, the distance between adjacent soil nails 11 is set to be 1.6 meters.
It is understood that the material of the grooved tube 112 is various, such as steel structure, copper structure or alloy structure, but the grooved tube 112 in this embodiment is preferably made of PVC in consideration of cost and corrosion resistance, and the grooved tube 112 is exemplified by a PVC expansion nail.
Preferably, referring to fig. 3, the soil nail 11 of the above embodiment further includes a stop plug 13, and specifically, the stop plug 13 includes a connecting bolt 133, a sleeve 132 and a flange 131 which are integrally formed, the flange 131 is in threaded connection with the tail end of the threaded groove tube 112, and the connecting bolt 133 is detachably connected with the nut 113. The arrangement of the stop paddle plug 13 can avoid contact erosion of slope soil on the permeable layer 22 as much as possible, and the service life of the protective surface layer 2 is prolonged.
It should be added that the fixing member 1 further includes a plurality of reinforcing ribs (not shown) for fixing, and both ends of the reinforcing ribs are respectively welded to the ends of the adjacent connecting pins 133. The setting through the strengthening rib can improve adjacent soil nail 11's stress strength, and then the whole fastness that improves 11 walls of soil nail.
Preferably, referring to fig. 6, a plurality of through holes are reserved on the protective surface layer 2, and the through holes are embedded with collars 23 with diameters corresponding to the diameters of the threaded groove pipes 112. Thereby at the in-process of installation protective surface layer 2, need not the scene and punch protective surface layer 2, both reduced the construction volume on the scene like this, can also guarantee protective surface layer 2's integrality for protective surface layer 2 can be by reutilization.
Illustratively, the anti-corrosion layer 21 is a polymer fiber layer, such as a sun-proof anti-corrosion polymer fiber material, the permeable layer 22 is a permeable geotextile layer, such as an engineering tarpaulin, and the thickness d of the anti-corrosion layer 2111cm, thickness d of the water-permeable layer 222Is 1 cm.
In order to improve the stress strength of the corrosion-resistant layer 21 and the permeable layer 22, in this embodiment, a metal wire mesh grid (not shown in the drawings) is further laid between the corrosion-resistant layer 21 and the permeable layer 22, and the metal wire mesh grid is respectively fixed with the corrosion-resistant layer 21 and the permeable layer 22 by stitches. The protection surface course 2 of sewing up as an organic whole facilitates the construction installation on the one hand, and on the other hand has improved the durability of protection surface course 2.
In the foregoing description of embodiments, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.
As described above, only the specific implementation manner of the present embodiment is provided, but the protection scope of the present embodiment is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope disclosed in the present embodiment, and all should be covered within the protection scope of the present embodiment. Therefore, the protection scope of the present embodiment shall be subject to the protection scope of the claims.
Claims (10)
1. A soil nailing wall supporting structure is composed of a protective surface layer and a fixing piece, and is characterized in that the protective surface layer comprises an anticorrosive layer and a permeable layer, the fixing piece comprises a plurality of soil nails and flexible protective ropes connected with the adjacent soil nails, the soil nails sequentially penetrate through the anticorrosive layer and the permeable layer to penetrate through and fix a slope, and the flexible protective ropes are laid on the upper surface of the anticorrosive layer; wherein,
the soil nail comprises a threaded groove pipe, a conical nail head and a nut, the head end of the threaded groove pipe is integrally connected with the conical nail head, threads are arranged at the tail end of the threaded groove pipe, and the nut is detachably connected with the threaded groove pipe.
2. The soil nailing wall supporting structure according to claim 1, wherein the soil nail further comprises a backing ring arranged between the anticorrosive coating and the nut, and a plurality of connecting holes for fixing flexible protective ropes are formed in the backing ring.
3. A soil nailing wall supporting construction according to claim 1, wherein the channel of the threaded groove tube is provided with a plurality of through holes provided therethrough.
4. An earth-nailed wall supporting structure according to claim 1 or 3, wherein said threaded grooved tube is a PVC expansion nail.
5. The soil nailing wall supporting structure of claim 1, wherein the soil nail further comprises a soil stopping plug, the soil stopping plug comprises a connecting bolt, a sleeve and a flange which are integrally formed, the flange is in threaded connection with the tail end of the threaded groove pipe, and the connecting bolt is in detachable threaded connection with the nut.
6. The soil nailing wall supporting construction of claim 5, wherein the fixing member further comprises a plurality of reinforcing bars for fixing, both ends of the reinforcing bars being respectively welded to the ends of the adjacent connection bolts.
7. The soil nailing wall supporting structure according to claim 1, wherein a plurality of penetrating holes are reserved on the protective surface layer, and lantern rings corresponding to the diameters of the threaded groove pipes are embedded on the penetrating holes.
8. The soil nailing wall supporting structure of claim 1, wherein the anticorrosive layer is a polymer fiber layer, and the water permeable layer is a water permeable geotextile layer.
9. An earth-nailed wall supporting construction according to claim 1 or 7, characterised in that the thickness d of the corrosion protection layer1Is 1cm, the thickness d of the water permeable layer2Is 1 cm.
10. The soil nailing wall supporting structure of claim 1, wherein a metal wire mesh grid is further laid between the anticorrosive layer and the water permeable layer, and the metal wire mesh grid is fixed with the anticorrosive layer and the water permeable layer respectively by stitches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820417534.8U CN208899490U (en) | 2018-03-26 | 2018-03-26 | A kind of soil nailed wall retaining structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820417534.8U CN208899490U (en) | 2018-03-26 | 2018-03-26 | A kind of soil nailed wall retaining structure |
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| Publication Number | Publication Date |
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| CN208899490U true CN208899490U (en) | 2019-05-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820417534.8U Active CN208899490U (en) | 2018-03-26 | 2018-03-26 | A kind of soil nailed wall retaining structure |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111173007A (en) * | 2020-01-07 | 2020-05-19 | 瑞腾基础工程技术（北京）股份有限公司 | Engineering construction method of side slope protective net |
| CN114059561A (en) * | 2021-12-25 | 2022-02-18 | 江苏双楼建设集团有限公司 | Glass fiber reinforced resin soil nail foundation pit supporting system and construction process |
| CN114319378A (en) * | 2021-12-31 | 2022-04-12 | 北京中岩大地科技股份有限公司 | Construction method of flexible face-protecting soil nail wall |
-
2018
- 2018-03-26 CN CN201820417534.8U patent/CN208899490U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111173007A (en) * | 2020-01-07 | 2020-05-19 | 瑞腾基础工程技术（北京）股份有限公司 | Engineering construction method of side slope protective net |
| CN114059561A (en) * | 2021-12-25 | 2022-02-18 | 江苏双楼建设集团有限公司 | Glass fiber reinforced resin soil nail foundation pit supporting system and construction process |
| CN114319378A (en) * | 2021-12-31 | 2022-04-12 | 北京中岩大地科技股份有限公司 | Construction method of flexible face-protecting soil nail wall |
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