CN211773854U - Soil retaining structure permeates water with soil nail - Google Patents
Soil retaining structure permeates water with soil nail Download PDFInfo
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- CN211773854U CN211773854U CN201922314316.9U CN201922314316U CN211773854U CN 211773854 U CN211773854 U CN 211773854U CN 201922314316 U CN201922314316 U CN 201922314316U CN 211773854 U CN211773854 U CN 211773854U
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- gabion
- soil
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- soil nail
- nail
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- 239000002689 soil Substances 0.000 title claims abstract description 89
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 30
- 239000012466 permeate Substances 0.000 title claims abstract description 13
- 238000003466 welding Methods 0.000 claims abstract description 29
- 239000004575 stone Substances 0.000 claims abstract description 15
- 239000004744 fabric Substances 0.000 claims abstract description 9
- 239000004576 sand Substances 0.000 claims abstract description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 16
- 239000010959 steel Substances 0.000 claims description 16
- 239000004746 geotextile Substances 0.000 claims description 8
- 238000010276 construction Methods 0.000 abstract description 15
- 230000035699 permeability Effects 0.000 abstract description 4
- 238000005457 optimization Methods 0.000 abstract description 2
- 238000009412 basement excavation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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Abstract
The utility model belongs to the technical field of foundation ditch, side slope engineering, concretely relates to retaining structure permeates water with soil nail. The utility model discloses a retaining structure permeates water with soil nail, including perpendicular soil nail, the upside welding of perpendicular soil nail has the gabion group, the gabion group is the stair structure, the gabion group includes a plurality of stack welded gabions, the gabion intussuseption is filled with the combination of lump stone and rubble, the welding has lacing wire or gabion welding to have horizontal soil nail between gabion and the adjacent gabion, the right side of gabion group is equipped with geotechnological cloth parcel rubble, the upside of gabion group is equipped with a plurality of sand bags. The utility model combines the advantages of water permeability of the gabion and the advantages of skid resistance of the soil nails for foundation pit and slope engineering through structure optimization design, can drain water smoothly and retain soil, improves the stability of the slope and ensures the safety of the slope; the small construction equipment can be manually matched to carry out the construction of soil nails and gabions; the construction can be carried out in a narrow foundation pit.
Description
Technical Field
The utility model belongs to the technical field of foundation ditch, side slope engineering, concretely relates to retaining structure permeates water with soil nail.
Background
Excavation of foundation pits or side slopes is carried out on water-permeable soil such as artificial filling, gravel soil, sandy soil, silt and the like existing above a water-resisting layer and in the upper layer of stagnant water, and generally adopts slow slope excavation or excavation after pile foundation and soil nailing wall support, and due to the fact that rainfall is difficult to dry and residual water heads exist, side slope quicksand and quicksoil collapse can be caused frequently. The invention relates to a permeable soil retaining structure with soil nails, which can smoothly drain water and retain soil, improve the stability of a side slope and ensure the safety of the side slope.
CN 202323963U discloses "a side slope drainage and anchor set complex", is to combine gabion and anchor plate, is applicable to the backfill side slope, is not suitable for the excavation side slope.
CN 109056784A discloses a construction method of a stable gabion retaining wall. The stone cages are connected up and down, left and right through a combined structure to improve the integrity of the retaining wall, and the anti-slip and anti-overturning stability is difficult to guarantee without soil nails.
CN 205046578U invented "an ecological gabion retaining wall". The upper part adopts a gabion, and the lower part adopts a concrete foundation to increase the skid resistance. No horizontal soil nails have poor resistance to overturning.
The problems existing in the prior art are as follows:
1. poor anti-slip and anti-overturning stability;
2. the construction difficulty is high;
3. the construction cost is high.
SUMMERY OF THE UTILITY MODEL
To the problem that the above-mentioned background art provided, the utility model aims at: aims to provide a water-permeable soil-retaining structure with soil nails. In order to realize the technical purpose, the utility model discloses a technical scheme as follows:
the utility model provides a retaining structure permeates water with soil nail, includes perpendicular soil nail, the upside welding of perpendicular soil nail has the gabion group, the gabion group is the stair structure, the gabion group includes a plurality of stack welded gabions, the gabion intussuseption is filled with the combination of lump stone and rubble, the welding has lacing wire or gabion welding to have horizontal soil nail between gabion and the adjacent gabion, the right side of gabion group is equipped with geotechnological cloth parcel rubble, the upside of gabion group is equipped with a plurality of sand bags.
Further inject, the gabion forms the cuboid for check guest net or steel bar welding, and adopts steel bar welding to form wholly between two adjacent gabions. By the design, the stability of the gabion is better, and the integrity of the gabion group can be improved.
Further defined, the geotextile wrapped gravel is free of soil. Due to the design, the water permeability of the crushed stones wrapped by the geotextile can be ensured.
Further, the horizontal soil nails are designed to be inclined downwards, and the degree of the inclination angle alpha is 15 +/-5 degrees. The design can make the acting force of the horizontal soil nail stronger.
Further limiting, the length and the type specification of the vertical soil nail and the horizontal soil nail are determined according to design requirements, the threaded steel bar can be used as the soil nail when water is less, and the hollow steel pipe is used as the soil nail when water is more. By the design, the friction force and the water permeability between the soil nails and the soil body can be ensured.
The utility model discloses following beneficial effect has:
1. the utility model combines the advantages of water permeability of the gabion and the advantages of skid resistance of the soil nails for foundation pit and slope engineering through structure optimization design, can drain water smoothly and retain soil, improves the stability of the slope and ensures the safety of the slope;
2. the small construction equipment can be manually matched to carry out the construction of soil nails and gabions;
3. the construction can be carried out in a narrow foundation pit.
Drawings
The present invention can be further illustrated by the non-limiting examples given in the accompanying drawings;
fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;
fig. 2 is a schematic structural diagram of embodiment 2 of the present invention;
the main element symbols are as follows:
the soil nail comprises a gabion 1, geotextile wrapped gravels 2, vertical soil nails 3, horizontal soil nails 4, an original slope surface 5, a design slope surface 6, a welding point 7, a sand bag 8 and a tie bar 9.
Detailed Description
In order to make the present invention better understood by those skilled in the art, the technical solutions of the present invention are further described below with reference to the accompanying drawings and examples.
Example 1
The utility model provides a retaining structure permeates water with soil nail, when the side slope than postpone in the condition of 1:1, concrete structure is as shown in figure 1, including perpendicular soil nail 3, the upside welding of perpendicular soil nail 3 has the gabion group, the gabion group is stair structure, the gabion group is including a plurality of stack welded gabion 1, the combination of stone and rubble is filled to gabion 1 intussuseption, the welding has lacing wire 9 between gabion 1 and the adjacent gabion 1, the right side of gabion group is equipped with geotechnological cloth parcel rubble 2, the upside of gabion group is equipped with a plurality of sand bags 8.
Wherein, gabion 1 forms the cuboid for check guest net or steel bar welding, and adopts the steel bar welding to form wholly between two adjacent gabions, and geotechnological cloth parcel rubble 2 does not contain earth, and 4 downward sloping designs of horizontal soil nail, and the number of degrees at inclination alpha is 15 +/-5 degrees, and length and model specification are confirmed according to the design requirement to perpendicular soil nail 3 and horizontal soil nail 4, can use the twisted steel to do the soil nail when water is few, and the water adopts the cavity steel pipe to do the soil nail when big.
The construction steps are as follows:
s1: firstly, excavating an original slope surface 5 into a designed slope surface 6 according to a slope ratio;
s2: adopting a driving or pre-drilling and re-driving method to construct the vertical soil nail 3;
s3: laying a bottom layer empty gabion 1 of the gabion group, and welding two adjacent gabions 1, the gabions 1 and the vertical soil nails 3 at the positions of welding points 7 to form a whole;
s4: welding the lacing wires 9 on the corresponding gabions 1;
s5: filling a stone and gravel combination in the gabion 1, and wrapping the gravel 2 between the gabion 1 and the side slope by geotextile for filling joints;
s6: welding an empty gabion 1 on the upper side of the lower gabion 1, and welding corresponding tie bars 9;
s7: filling a combination of block stones and broken stones in the newly added hollow gabion 1, and filling joints between the gabion 1 and the side slope by wrapping the broken stones 2 with geotextile;
s8: repeating the steps S6 and S7 to reach the design of the top of the retaining wall;
s9: and laying a sand bag 8.
Through the retaining structure that permeates water of this embodiment preparation, at perpendicular soil nail 3, the combination of gabion 1 and rock and rubble, the cooperation that geotechnological cloth wraps up rubble 2 can make foundation ditch and side slope engineering, can unblocked drainage can keep off soil again, side slope stability has been improved, side slope safety has been guaranteed, lacing wire 9 can be so that the wholeness between two upper and lower gabions 1 strengthens, make gabion 1 more firm, this retaining structure's that permeates water construction process is simple, can be under construction in narrow and small space.
Example 2
The utility model provides a retaining structure permeates water with soil nail, under the condition that the slope ratio is steeper than 1:1, concrete structure is as shown in figure 2, including perpendicular soil nail 3, the upside welding of perpendicular soil nail 3 has the gabion group, the gabion group is stair structure, the gabion group includes a plurality of stack welded gabion 1, the combination of stone and rubble is filled in the gabion 1, gabion 1 welds horizontal soil nail 4, the right side of gabion group is equipped with geotechnological cloth parcel rubble 2, the upside of gabion group is equipped with a plurality of sand bags 8.
Wherein, gabion 1 forms the cuboid for check guest net or steel bar welding, and adopts the steel bar welding to form wholly between two adjacent gabions, and geotechnological cloth parcel rubble 2 does not contain earth, and 4 downward sloping designs of horizontal soil nail, and the number of degrees at inclination alpha is 15 +/-5 degrees, and length and model specification are confirmed according to the design requirement to perpendicular soil nail 3 and horizontal soil nail 4, can use the twisted steel to do the soil nail when water is few, and the water adopts the cavity steel pipe to do the soil nail when big.
The construction steps are as follows:
s1: firstly, excavating an original slope surface 5 into a designed slope surface 6 according to a slope ratio;
s2: adopting a driving or pre-drilling and re-driving method to construct a vertical soil nail 3 and a horizontal soil nail 4;
s3: laying a bottom empty gabion 1 of the gabion group, and welding two adjacent gabions 1 and gabions 1 with vertical soil nails 3 and horizontal soil nails 4 at welding points 7 to form a whole;
s4: filling a stone and gravel combination in the gabion 1, and wrapping the gravel 2 between the gabion 1 and the side slope by geotextile for filling joints;
s5: welding an empty gabion 1 on the upper side of the lower gabion 1, and welding corresponding horizontal soil nails 4;
s6: filling a combination of block stones and broken stones in the newly added hollow gabion 1, and filling joints between the gabion 1 and the side slope by wrapping the broken stones 2 with geotextile;
s7: repeating the steps S5 and S6 to reach the design of the top of the retaining wall;
s7: and laying a sand bag 8.
Through the retaining structure that permeates water of this embodiment preparation, can make foundation ditch and side slope engineering in the combination of perpendicular soil nail 3, gabion 1 and rock and rubble, geotechnological cloth parcel rubble 2, the cooperation of horizontal soil nail 4, can unblocked drainage can keep off soil again, has improved side slope stability, and this retaining structure that permeates water's construction process is simple, can be under construction in narrow and small space.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (5)
1. The utility model provides a retaining structure permeates water with soil nail which characterized in that: including perpendicular soil nail (3), the upside welding of perpendicular soil nail (3) has the gabion group, the gabion group is stair structure, the gabion group includes a plurality of stack welded gabions (1), the combination that is filled with stone and rubble in gabion (1), the welding has lacing wire (9) or gabion (1) welding between gabion (1) and adjacent gabion (1) has horizontal soil nail (4), the right side of gabion group is equipped with geotechnological cloth parcel rubble (2), the upside of gabion group is equipped with a plurality of sand bags (8).
2. A water-permeable soil retaining structure with soil nails in claim 1 wherein: the gabion (1) is a cuboid formed by welding check nets or steel bars, and two adjacent gabions are welded by the steel bars to form a whole.
3. A water-permeable soil retaining structure with soil nails in claim 1 wherein: the geotextile wrapped gravel (2) does not contain soil.
4. A water-permeable soil retaining structure with soil nails in claim 1 wherein: the horizontal soil nails (4) are designed to be inclined downwards, and the degree of the inclination angle alpha is 15 +/-5 degrees.
5. A water-permeable soil retaining structure with soil nails in claim 1 wherein: the length and the model specification of the vertical soil nail (3) and the horizontal soil nail (4) are determined according to design requirements, the threaded steel bar can be used as the soil nail when water is little, and the hollow steel pipe is used as the soil nail when water is big.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922314316.9U CN211773854U (en) | 2019-12-20 | 2019-12-20 | Soil retaining structure permeates water with soil nail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922314316.9U CN211773854U (en) | 2019-12-20 | 2019-12-20 | Soil retaining structure permeates water with soil nail |
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| Publication Number | Publication Date |
|---|---|
| CN211773854U true CN211773854U (en) | 2020-10-27 |
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| CN201922314316.9U Active CN211773854U (en) | 2019-12-20 | 2019-12-20 | Soil retaining structure permeates water with soil nail |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112609731A (en) * | 2020-12-31 | 2021-04-06 | 四川省交通勘察设计研究院有限公司 | Flexible permeable cutting retaining wall and construction method |
| CN113356136A (en) * | 2021-05-18 | 2021-09-07 | 东南大学 | Gabion monomer for highway subgrade water damage protection and construction method |
-
2019
- 2019-12-20 CN CN201922314316.9U patent/CN211773854U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112609731A (en) * | 2020-12-31 | 2021-04-06 | 四川省交通勘察设计研究院有限公司 | Flexible permeable cutting retaining wall and construction method |
| CN113356136A (en) * | 2021-05-18 | 2021-09-07 | 东南大学 | Gabion monomer for highway subgrade water damage protection and construction method |
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Address after: 550081 No. 7, 25 / F, unit 1, building 5, 6 and 7, Dongyuan Fortune Plaza project, intersection of Guanshan road and Changling Road, guanshanhu District, Guiyang City, Guizhou Province Patentee after: Guizhou Zhihua Construction Engineering (Group) Co.,Ltd. Address before: 550081 No. 3, floor 5, building A7, Chengxin Road, Jinyang New Area, guanshanhu District, Guiyang City, Guizhou Province Patentee before: GUIZHOU ZHIHUA CONSTRUCTION ENGINEERING Co.,Ltd. |