CN220318577U - Gravity type composite construction retaining wall - Google Patents
Gravity type composite construction retaining wall Download PDFInfo
- Publication number
- CN220318577U CN220318577U CN202321426513.XU CN202321426513U CN220318577U CN 220318577 U CN220318577 U CN 220318577U CN 202321426513 U CN202321426513 U CN 202321426513U CN 220318577 U CN220318577 U CN 220318577U
- Authority
- CN
- China
- Prior art keywords
- wide
- source
- cementing material
- retaining wall
- wall body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000005484 gravity Effects 0.000 title claims abstract description 26
- 239000002131 composite material Substances 0.000 title claims abstract description 21
- 238000010276 construction Methods 0.000 title description 39
- 239000000463 material Substances 0.000 claims abstract description 186
- 238000011049 filling Methods 0.000 claims abstract description 67
- 239000004567 concrete Substances 0.000 claims abstract description 46
- 239000010410 layer Substances 0.000 claims description 73
- 239000002689 soil Substances 0.000 claims description 55
- 239000004927 clay Substances 0.000 claims description 7
- 239000011241 protective layer Substances 0.000 claims description 6
- 229910052799 carbon Inorganic materials 0.000 abstract description 15
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 4
- 230000007613 environmental effect Effects 0.000 abstract description 4
- 230000000149 penetrating effect Effects 0.000 abstract description 3
- 238000001914 filtration Methods 0.000 description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 18
- 238000005096 rolling process Methods 0.000 description 17
- 239000003795 chemical substances by application Substances 0.000 description 14
- 239000004575 stone Substances 0.000 description 13
- 230000000694 effects Effects 0.000 description 9
- 239000002699 waste material Substances 0.000 description 8
- 230000006978 adaptation Effects 0.000 description 7
- 239000004576 sand Substances 0.000 description 7
- 239000004566 building material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 239000010802 sludge Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 239000005445 natural material Substances 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 239000002910 solid waste Substances 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 239000004578 natural building material Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
Landscapes
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
Abstract
The utility model provides a gravity type composite structure retaining wall, which comprises a current ground structure, wherein one side of the current ground structure is provided with a wide source cementing material wall, and the inner side of the wide source cementing material wall is filled with a embankment filling body; the road surface structure is laid at the top of the embankment filling body, one side of the end of the road surface structure presses the top of the wide-source cementing material wall body, the outer side of the wide-source cementing material wall body is a concrete protection layer, and the positions of different heights inside the wide-source cementing material wall body and the concrete protection layer are provided with drainage pipes which are arranged in a penetrating mode and are communicated with the embankment filling body. Not only meets the requirements of retaining wall supporting stability and durability, but also can fully utilize local materials, and achieves the green building targets of low carbon, environmental protection and low cost.
Description
Technical Field
The utility model belongs to the field of geotechnical engineering, and particularly relates to a gravity type composite structure retaining wall.
Background
The retaining wall is one of common main structures in the field of civil engineering, and the main load born by the retaining wall is the dead weight of the soil body and the lateral pressure generated by the load on the upper part of the soil body. In order to ensure the economical rationality of the retaining structure and the stability and reliability of the soil body supported by the retaining structure, the proper retaining wall supporting form and material are determined by combining the stress condition of the retaining wall.
For earth-filled stable earth-retaining walls, it is common to maintain earth-filled stability by natural slope self-stabilization or by masonry, concrete casting, or other earth-retaining wall means. When the natural slope releasing and self-stabilization of the filled soil are adopted, a large amount of occupied land is needed, the filling is huge, and a large amount of soil is needed to be taken. The masonry retaining wall modes such as stone laying, concrete pouring and the like are adopted, so that the cost is high, and the influence of a large amount of quarrying or cement use on the environment is high.
Disclosure of Invention
The utility model mainly solves the technical problems that: the gravity type composite structure retaining wall is designed by fully utilizing the material characteristics of the wide-source cementing material, not only meets the requirements of retaining wall supporting stability and durability, but also can fully utilize local materials, and achieves the green building targets of low carbon and environmental protection and low cost.
In order to achieve the technical characteristics, the aim of the utility model is realized in the following way: the gravity type composite structure retaining wall comprises a current ground structure, wherein one side of the current ground structure is provided with a wide-source cementing material wall body, and the inner side of the wide-source cementing material wall body is filled with a embankment filling body; the road surface structure is laid at the top of the embankment filling body, one side of the end of the road surface structure presses the top of the wide-source cementing material wall body, the outer side of the wide-source cementing material wall body is a concrete protection layer, and the positions of different heights inside the wide-source cementing material wall body and the concrete protection layer are provided with drainage pipes which are arranged in a penetrating mode and are communicated with the embankment filling body.
The wide-source cementing material for the wide-source cementing material wall is a novel green building material which adopts cementing materials to improve/modify natural materials commonly existing in nature, waste soil, waste residues of buildings and industrial solid wastes, so that the novel green building material has certain strength.
The natural material includes sand gravel, gravel soil, clay, sand soil or pond sludge.
The top of the pavement structure forms a pavement, and the end of the pavement structure is positioned at one side of the top of the wide-source cementing material wall body to form a soil road shoulder and a hard road shoulder.
The side that the drain pipe is linked together with embankment filled with soil is provided with rubble reverse filter layer, and rubble reverse filter layer is located between wide source cementing material wall body and the embankment filled with soil body, and is provided with the clay water barrier respectively in rubble reverse filter layer's bottom and top.
And a drainage ditch is arranged at the slope bottom part of the wide-source cementing material wall body.
The concrete protective layer is designed according to engineering experience and specification requirements, the thickness is 1.5 cm-20 cm, the gradient expressed by the included angle between a slope line and a vertical line is 0-17 degrees, and the strength grade of the concrete is C20-C30;
the included angle between the slope bottom of the wide-source cementing material wall body and the horizontal line is 5-15 degrees.
The structural size of the wide-source cementing material wall is obtained by checking and calculating according to the back filling height, load grade and filling internal friction angle parameters of the wall and the requirements of anti-slip, anti-overturning and eccentric distance stability of the gravity retaining wall;
the gel mixing amount in the wide source cementing material of the wide source cementing material wall body is 6% -20%.
The wide-source cementing material wall body and the embankment filling body are synchronously laminated and rolled, the thickness of each layer of soil is 30 cm-35 cm, and each layer of soil is compacted for 8-12 times.
The utility model has the following beneficial effects:
1. the utility model adopts the novel wide-source cementing material as the retaining wall support, fully utilizes the wide-source material, and accords with the principles of energy conservation, environmental protection, green low carbon and suitable construction and adaptation materials.
2. The utility model can be constructed on the current ground, and can be synchronously constructed with backfill after the wall, and compared with the traditional plain concrete retaining wall construction process, the utility model effectively shortens the construction period.
3. The utility model uses wide source material, and mixes with a small amount of gel material, and has low cost and obvious economic benefit.
4. Compared with natural slope release, the utility model saves land, reduces the earth filling amount, and has obvious advantages for areas with shortage of land resources and shortage of land resources.
Drawings
The utility model is further described below with reference to the drawings and examples.
Fig. 1 is a cross-sectional view of the present utility model.
In the figure: road surface 1, current ground structure 2, concrete protection layer 3, wide source cementing material wall body 4, water drain pipe 5, clay water-proof layer 6, rubble reverse filtering layer 7, escape canal 8, road surface structure 9, embankment filling 10, soil shoulder 11, hard road shoulder 12.
Detailed Description
Embodiments of the present utility model will be further described with reference to the accompanying drawings.
Compared with natural building materials such as graded sand, graded broken stone, block stone, strip stone and the like, natural materials such as sand gravel, broken stone soil, clay, sand soil, pond sludge and the like commonly encountered in engineering are poor in quality and are often used as materials for waste disposal treatment such as waste materials and waste solid industry, the materials are generally called as "wide source materials", the materials are modified and enhanced by adding cementing materials or curing agents according to the properties of the wide source materials, and the cementing materials are formed into the cementing materials which are convenient to use by in-situ stirring or mechanical mixing, and are called as the "wide source cementing materials". The wide-source cementing material utilizes cementing materials or curing agents to cement and cure part of fine particles into coarser particles, the mechanical property of the coarse-grain cementing material is greatly improved compared with that of original materials after compaction, and the coarse-grain cementing material can be used as a gravity retaining wall through experiments and calculation, but the coarse-grain cementing material belongs to the conventional masonry retaining wall with incomplete cementing, the durability after wall formation is inferior to that of concrete, masonry and the like, and the technical requirements of the conventional masonry retaining wall are difficult to meet.
Example 1:
referring to fig. 1, a gravity type composite structure retaining wall comprises a current ground structure 2, wherein one side of the current ground structure 2 is provided with a wide source cementing material wall body 4, and the inner side of the wide source cementing material wall body 4 is filled with a embankment filling body 10; the road surface structure 9 is laid at the top of the embankment filling body 10, one side of the end of the road surface structure 9 presses the top of the wide source cementing material wall body 4, the concrete protection layer 3 is arranged on the outer side of the wide source cementing material wall body 4, the water discharge pipes 5 penetrating through the wide source cementing material wall body 4 and the concrete protection layer 3 are arranged at different heights inside the wide source cementing material wall body 4 and the concrete protection layer 3, and the water discharge pipes 5 are communicated with the embankment filling body 10. The utility model adopts the novel wide-source cementing material as the retaining wall support, fully utilizes the wide-source material, and accords with the principles of energy conservation, environmental protection, green low carbon and suitable construction and adaptation materials.
Further, the wide-source cementing material of the wide-source cementing material wall body 4 is a novel green building material which adopts cementing materials to improve/modify natural materials commonly existing in nature, waste soil waste slag, building waste slag and industrial solid waste, so that the novel green building material has certain strength. By the wide-source cementing material, on the premise of ensuring the structural strength of the retaining wall, the construction process is effectively simplified, the construction period is effectively shortened, and the engineering cost is reduced.
Further, the natural material includes sand gravel, gravel soil, clay, sand soil, or pond sludge. The raw material source of the wide-source cementing material is enhanced by the natural materials.
Further, the top of the pavement structure 9 forms a pavement 1, and the end of the pavement structure 9 is positioned at one side of the top of the wide-source cementing material wall body 4 to form a soil shoulder 11 and a hard shoulder 12. Subsequent passes are facilitated by the road surface structure 9 described above.
Further, a gravel reverse filtering layer 7 is arranged on one side, communicated with the embankment filling body 10, of the drain pipe 5, the gravel reverse filtering layer 7 is located between the wide-source cementing material wall body 4 and the embankment filling body 10, and clay water-resisting layers 6 are respectively arranged at the bottom and the top of the gravel reverse filtering layer 7. The broken stone reverse filtering layer 7 can achieve a good filtering effect, and further prevent soil from blocking the drain pipe 5.
Further, a drainage ditch 8 is arranged at the slope bottom of the wide-source cementing material wall body 4. The water drain ditch 8 has a good water drain effect, and is further used for draining the road embankment filling body 10.
Furthermore, the concrete protective layer 3 is designed according to engineering experience and specification requirements, the thickness is 1.5 cm-20 cm, the gradient represented by the included angle between the slope line and the vertical line is 0-17 degrees, and the strength grade of the concrete is C20-C30. Through the size, the wide-source cementing material wall body 4 can be effectively protected, and the structural strength and stability of the surface layer are ensured.
Further, an included angle between the slope bottom of the wide-source cementing material wall body 4 and the horizontal line is 5-15 degrees. By adopting the slope bottom structural design, the anti-slip effect is achieved, and the anti-slip performance of the wide-source cementing material wall body 4 is further ensured.
Further, the structural size of the wide-source cementing material wall body 4 is obtained by checking and calculating according to the requirements of anti-slip, anti-overturning and eccentric distance stability of the gravity retaining wall according to the height of filled soil after the wall, the load grade and the parameters of the internal friction angle of filled soil. Through the size structural design, the structural strength and stability of the wide-source cementing material wall body 4 are guaranteed.
Further, the gel mixing amount in the wide source cementing material of the wide source cementing material wall body 4 is 6% -20%. The gel doping amounts with different doping amounts are selected to ensure different performance requirements of the wide-source cementing material wall body 4.
Furthermore, the wide-source cementing material wall body 4 and the embankment filling body 10 are synchronously laminated, the thickness of each layer of the filling body is 30 cm-35 cm, and each layer of the filling body is compacted for 8-12 times. Through the process, the structural strength of the wide-source cementing material wall body 4 and the embankment filling body 10 is ensured.
Example 2:
a construction method of a gravity type composite structure retaining wall comprises the following steps:
step one, determining the structural size and the load grade of the wide-source cementing material wall body 4:
calculating the structural size and load grade of the wide-source cementing material wall body 4 according to the requirements of anti-slip, anti-overturning and eccentric distance stability of the gravity type retaining wall;
step two, preparing the wide-source cementing material of the wide-source cementing material wall body 4:
determining the gel doping amount in the wide-source cementing material according to the size structure and the load strength of the wide-source cementing material wall body 4;
thirdly, foundation construction of the wide-source cementing material wall body 4:
excavating a construction foundation of the wide-source cementing material wall body 4 on the current ground structure 2, and ensuring that the bottom of the foundation of the wide-source cementing material wall body 4 forms a certain angle with the horizontal plane;
step four, layering and rolling of the wide-source cementing material wall body 4 and the embankment filling soil 10:
synchronously layering and rolling the wide-source cementing material wall body 4 and the embankment filling soil 10 by adopting a road roller, wherein the thickness of each layer of soil paving is 30 cm-35 cm, and each layer of soil paving is compacted for 8-12 times; in the rolling process, the drain pipe 5 is synchronously paved along different heights of the wide-source cementing material wall body 4; a broken stone reverse filtering layer 7 is arranged at the pipe orifice of the drain pipe 5;
step five, construction arrangement of the pavement structure 9:
after all embankment filling soil 10 and the wide source cementing material wall body 4 are rolled and constructed to a certain height, arranging a pavement structure 9 at the top, and then continuously rolling the wide source cementing material wall body 4, and keeping the height of the wide source cementing material wall body consistent with that of the top of the pavement structure 9;
step six, construction arrangement of the concrete protective layer 3:
after the rolling of the wide-source cementing material wall body 4 is completed, pouring a concrete protection layer 3 on the outer surface of the wide-source cementing material wall body 4;
seventh, construction of the drainage ditch 8:
and excavating a drainage ditch 8 at the bottom of the slope after the construction of all the wide-source cementing material walls 4 and the pavement structures 9 is completed.
Example 3:
the utility model provides a gravity type composite construction retaining wall supporting construction, it includes the wide source cementing material wall body 4 that is located the slope inner layer, the surface of wide source cementing material wall body 4 is provided with concrete protection layer 3, the slope inner portion of wide source cementing material wall body 4 is backfilled through embankment filling 10; a drain ditch 8 is arranged at the bottom of the slope; the inside of the wide source cementing material wall body 4 and the concrete protection layer 3 is penetrated with a water drain pipe 5 communicated with embankment filling soil 10. By adopting the retaining wall supporting structure, in the application of the retaining wall, the cementing material and the earth filling of the rear embankment of the retaining wall are synchronously laminated and rolled. The cementing material retaining wall supporting structure fully utilizes the wide source material under the premise of ensuring the stability and durability of the wall body, is low-carbon, environment-friendly and energy-saving, effectively shortens the construction period and reduces the construction cost.
Furthermore, the gel doping amount of the wide-source cementing material wall body 4 is the guarantee of the structural strength and stability of the subsequently filled retaining wall. And the novel wide-source cementing material is adopted as retaining wall support, so that the wide-source material is fully utilized, and the energy-saving environment-friendly, green low-carbon and suitable-structure material adaptation principle is met.
Further, the height difference between the road surface and the current ground structure 2 is controlled within 2m, the wall top is flush with the road surface 1, the wall height is 3m, and the surface slope is vertical.
Further, the gel doping amount of the wide source cementing material wall body 4 is 6%. According to the difference of soil sources in different areas, the engineering cost is effectively reduced while the stability of the retaining wall structure is ensured by adopting different gel doping amounts.
Further, the concrete protective layer 3 is made of C20 concrete, and the thickness is 1.5cm.
Furthermore, the wide-source cementing material wall body 4 is filled and compacted in a layered manner, and an early strength agent is added to improve the early strength of the retaining wall structure. The curing of the wide-source cementing material wall body 4 can be rapidly realized in early filling by the early strength agent, so that the timely improvement of the strength of the retaining wall is ensured.
Furthermore, the drainage ditch 8 is arranged along the retaining wall, and the drainage ditch is smoothly connected with the natural slope-releasing road section. The drainage ditch can achieve good drainage effect.
Further, the drain pipe 5 is a PVC pipe, and the drain pipe 5 is buried when the retaining wall is filled, and the distance between the position and the layered rolling surface is not less than 0.3m. The purpose of draining water in the retaining wall is achieved through the drain pipe 5, and the stability of the slope body is further guaranteed.
Further, the crushed stone reverse filtering layer 7 can play a role in filtering and prevent a drain pipe from being blocked.
Further, the embankment filling 10 is rolled by a road roller, the thickness of each layer of soil is 30 cm-35 cm, and each layer of soil is compacted for 8-12 times. By the backfilling, rolling and tamping, the structural strength and stability of the embankment filling 10 are guaranteed, and the reliability of the retaining wall is finally guaranteed.
Example 4:
the utility model provides a gravity type composite construction retaining wall supporting construction, it includes the wide source cementing material wall body 4 that is located the slope inner layer, the surface of wide source cementing material wall body 4 is provided with concrete protection layer 3, the slope inner portion of wide source cementing material wall body 4 is backfilled through embankment filling 10; a drain ditch 8 is arranged at the bottom of the slope; the inside of the wide source cementing material wall body 4 and the concrete protection layer 3 is penetrated with a water drain pipe 5 communicated with embankment filling soil 10. By adopting the retaining wall supporting structure, in the application of the retaining wall, the cementing material and the earth filling of the rear embankment of the retaining wall are synchronously laminated and rolled. The cementing material retaining wall supporting structure fully utilizes the wide source material under the premise of ensuring the stability and durability of the wall body, is low-carbon, environment-friendly and energy-saving, effectively shortens the construction period and reduces the construction cost.
Further, the height difference between the road surface and the current ground structure 2 is controlled within 7m, the wall top is flush with the road surface 1, the wall height is 8m, and the slope is 10 degrees.
Further, the gel doping amount of the wide source cementing material wall body 4 is 10%.
Further, the concrete protection layer 3 adopts C25 concrete, and has a thickness of 10cm.
Furthermore, the wide-source cementing material wall body 4 is filled and compacted in a layered manner, and an early strength agent is added to improve the early strength of the retaining wall structure. The curing of the wide-source cementing material wall body 4 can be rapidly realized in early filling by the early strength agent, so that the timely improvement of the strength of the retaining wall is ensured.
Furthermore, the drainage ditch 8 is arranged along the retaining wall, and the drainage ditch is smoothly connected with the natural slope-releasing road section. The drainage ditch can achieve good drainage effect.
Further, the drain pipe 5 is a PVC pipe, and the drain pipe 5 is buried when the retaining wall is filled, and the distance between the position and the layered rolling surface is not less than 0.3m. The purpose of draining water in the retaining wall is achieved through the drain pipe 5, and the stability of the slope body is further guaranteed.
Further, the crushed stone reverse filtering layer 7 can play a role in filtering and prevent a drain pipe from being blocked.
Further, the embankment filling 10 is rolled by a road roller, the thickness of each layer of soil is 30 cm-35 cm, and each layer of soil is compacted for 8-12 times. By the backfilling, rolling and tamping, the structural strength and stability of the embankment filling 10 are guaranteed, and the reliability of the retaining wall is finally guaranteed.
Example 5:
the utility model provides a gravity type composite construction retaining wall supporting construction, it includes the wide source cementing material wall body 4 that is located the slope inner layer, the surface of wide source cementing material wall body 4 is provided with concrete protection layer 3, the slope inner portion of wide source cementing material wall body 4 is backfilled through embankment filling 10; a drain ditch 8 is arranged at the bottom of the slope; the inside of the wide source cementing material wall body 4 and the concrete protection layer 3 is penetrated with a water drain pipe 5 communicated with embankment filling soil 10. By adopting the retaining wall supporting structure, in the application of the retaining wall, the cementing material and the earth filling of the rear embankment of the retaining wall are synchronously laminated and rolled. The cementing material retaining wall supporting structure fully utilizes the wide source material under the premise of ensuring the stability and durability of the wall body, is low-carbon, environment-friendly and energy-saving, effectively shortens the construction period and reduces the construction cost.
Furthermore, the gel doping amount of the wide-source cementing material wall body 4 is the guarantee of the structural strength and stability of the subsequently filled retaining wall. And the novel wide-source cementing material is adopted as retaining wall support, so that the wide-source material is fully utilized, and the energy-saving environment-friendly, green low-carbon and suitable-structure material adaptation principle is met.
Further, the height difference between the road surface and the current ground structure 2 is controlled within 11m, the wall top is flush with the road surface 1, the wall height is 12m, and the slope is 17 degrees.
Further, the gel doping amount of the wide source cementing material wall body 4 is 20%.
Further, the concrete protection layer 3 adopts C30 concrete, and the thickness is 20cm.
Furthermore, the wide-source cementing material wall body 4 is filled and compacted in a layered manner, and an early strength agent is added to improve the early strength of the retaining wall structure. The curing of the wide-source cementing material wall body 4 can be rapidly realized in early filling by the early strength agent, so that the timely improvement of the strength of the retaining wall is ensured.
Furthermore, the drainage ditch 8 is arranged along the retaining wall, and the drainage ditch is smoothly connected with the natural slope-releasing road section. The drainage ditch can achieve good drainage effect.
Further, the drain pipe 5 is a PVC pipe, and the drain pipe 5 is buried when the retaining wall is filled, and the distance between the position and the layered rolling surface is not less than 0.3m. The purpose of draining water in the retaining wall is achieved through the drain pipe 5, and the stability of the slope body is further guaranteed.
Further, the crushed stone reverse filtering layer 7 can play a role in filtering and prevent a drain pipe from being blocked.
Further, the embankment filling 10 is rolled by a road roller, the thickness of each layer of soil is 30 cm-35 cm, and each layer of soil is compacted for 8-12 times. By the backfilling, rolling and tamping, the structural strength and stability of the embankment filling 10 are guaranteed, and the reliability of the retaining wall is finally guaranteed.
Example 6:
the utility model provides a gravity type composite construction retaining wall supporting construction, it includes the wide source cementing material wall body 4 that is located the slope inner layer, the surface of wide source cementing material wall body 4 is provided with concrete protection layer 3, the slope inner portion of wide source cementing material wall body 4 is backfilled through embankment filling 10; a drain ditch 8 is arranged at the bottom of the slope; the inside of the wide source cementing material wall body 4 and the concrete protection layer 3 is penetrated with a water drain pipe 5 communicated with embankment filling soil 10. By adopting the retaining wall supporting structure, in the application of the retaining wall, the cementing material and the earth filling of the rear embankment of the retaining wall are synchronously laminated and rolled. The cementing material retaining wall supporting structure fully utilizes the wide source material under the premise of ensuring the stability and durability of the wall body, is low-carbon, environment-friendly and energy-saving, effectively shortens the construction period and reduces the construction cost.
Furthermore, the gel doping amount of the wide-source cementing material wall body 4 is the guarantee of the structural strength and stability of the subsequently filled retaining wall. And the novel wide-source cementing material is adopted as retaining wall support, so that the wide-source material is fully utilized, and the energy-saving environment-friendly, green low-carbon and suitable-structure material adaptation principle is met.
Furthermore, the height difference between the road surface and the ground structure 2 is not controlled, the wall top is filled with soil, the wall height is 3m, and the slope is 0 degree.
Further, the gel doping amount of the wide source cementing material wall body 4 is 6%.
Further, the concrete protective layer 3 is made of C20 concrete, and the thickness is 1.5cm.
Furthermore, the wide-source cementing material wall body 4 is filled and compacted in a layered manner, and an early strength agent is added to improve the early strength of the retaining wall structure. The curing of the wide-source cementing material wall body 4 can be rapidly realized in early filling by the early strength agent, so that the timely improvement of the strength of the retaining wall is ensured.
Furthermore, the drainage ditch 8 is arranged along the retaining wall, and the drainage ditch is smoothly connected with the natural slope-releasing road section. The drainage ditch can achieve good drainage effect.
Further, the drain pipe 5 is a PVC pipe, and the drain pipe 5 is buried when the retaining wall is filled, and the distance between the position and the layered rolling surface is not less than 0.3m. The purpose of draining water in the retaining wall is achieved through the drain pipe 5, and the stability of the slope body is further guaranteed.
Further, the crushed stone reverse filtering layer 7 can play a role in filtering and prevent a drain pipe from being blocked.
Further, the embankment filling 10 is rolled by a road roller, the thickness of each layer of soil is 30 cm-35 cm, and each layer of soil is compacted for 8-12 times. By the backfilling, rolling and tamping, the structural strength and stability of the embankment filling 10 are guaranteed, and the reliability of the retaining wall is finally guaranteed.
Example 7:
the utility model provides a gravity type composite construction retaining wall supporting construction, it includes the wide source cementing material wall body 4 that is located the slope inner layer, the surface of wide source cementing material wall body 4 is provided with concrete protection layer 3, the slope inner portion of wide source cementing material wall body 4 is backfilled through embankment filling 10; a drain ditch 8 is arranged at the bottom of the slope; the inside of the wide source cementing material wall body 4 and the concrete protection layer 3 is penetrated with a water drain pipe 5 communicated with embankment filling soil 10. By adopting the retaining wall supporting structure, in the application of the retaining wall, the cementing material and the earth filling of the rear embankment of the retaining wall are synchronously laminated and rolled. The cementing material retaining wall supporting structure fully utilizes the wide source material under the premise of ensuring the stability and durability of the wall body, is low-carbon, environment-friendly and energy-saving, effectively shortens the construction period and reduces the construction cost.
Furthermore, the gel doping amount of the wide-source cementing material wall body 4 is the guarantee of the structural strength and stability of the subsequently filled retaining wall. And the novel wide-source cementing material is adopted as retaining wall support, so that the wide-source material is fully utilized, and the energy-saving environment-friendly, green low-carbon and suitable-structure material adaptation principle is met.
Furthermore, the height difference between the road surface and the ground structure 2 is not controlled, the wall top is filled with soil, the wall height is 5m, and the slope is 10 degrees.
Further, the gel doping amount of the wide source cementing material wall body 4 is 10%.
Further, the concrete protection layer 3 adopts C25 concrete, and has a thickness of 10cm.
Furthermore, the wide-source cementing material wall body 4 is filled and compacted in a layered manner, and an early strength agent is added to improve the early strength of the retaining wall structure. The curing of the wide-source cementing material wall body 4 can be rapidly realized in early filling by the early strength agent, so that the timely improvement of the strength of the retaining wall is ensured.
Furthermore, the drainage ditch 8 is arranged along the retaining wall, and the drainage ditch is smoothly connected with the natural slope-releasing road section. The drainage ditch can achieve good drainage effect.
Further, the drain pipe 5 is a PVC pipe, and the drain pipe 5 is buried when the retaining wall is filled, and the distance between the position and the layered rolling surface is not less than 0.3m. The purpose of draining water in the retaining wall is achieved through the drain pipe 5, and the stability of the slope body is further guaranteed.
Further, the crushed stone reverse filtering layer 7 can play a role in filtering and prevent a drain pipe from being blocked.
Further, the embankment filling 10 is rolled by a road roller, the thickness of each layer of soil is 30 cm-35 cm, and each layer of soil is compacted for 8-12 times. By the backfilling, rolling and tamping, the structural strength and stability of the embankment filling 10 are guaranteed, and the reliability of the retaining wall is finally guaranteed.
Example 8:
the utility model provides a gravity type composite construction retaining wall supporting construction, it includes the wide source cementing material wall body 4 that is located the slope inner layer, the surface of wide source cementing material wall body 4 is provided with concrete protection layer 3, the slope inner portion of wide source cementing material wall body 4 is backfilled through embankment filling 10; a drain ditch 8 is arranged at the bottom of the slope; the inside of the wide source cementing material wall body 4 and the concrete protection layer 3 is penetrated with a water drain pipe 5 communicated with embankment filling soil 10. By adopting the retaining wall supporting structure, in the application of the retaining wall, the cementing material and the earth filling of the rear embankment of the retaining wall are synchronously laminated and rolled. The cementing material retaining wall supporting structure fully utilizes the wide source material under the premise of ensuring the stability and durability of the wall body, is low-carbon, environment-friendly and energy-saving, effectively shortens the construction period and reduces the construction cost.
Furthermore, the gel doping amount of the wide-source cementing material wall body 4 is the guarantee of the structural strength and stability of the subsequently filled retaining wall. And the novel wide-source cementing material is adopted as retaining wall support, so that the wide-source material is fully utilized, and the energy-saving environment-friendly, green low-carbon and suitable-structure material adaptation principle is met.
Furthermore, the height difference between the road surface and the ground structure 2 is not controlled, the wall top is filled with soil, the wall height is 12m, and the slope is 17 degrees.
Further, the gel doping amount of the wide source cementing material wall body 4 is 20%.
Further, the concrete protection layer 3 adopts C30 concrete, and the thickness is 20cm.
Furthermore, the wide-source cementing material wall body 4 is filled and compacted in a layered manner, and an early strength agent is added to improve the early strength of the retaining wall structure. The curing of the wide-source cementing material wall body 4 can be rapidly realized in early filling by the early strength agent, so that the timely improvement of the strength of the retaining wall is ensured.
Furthermore, the drainage ditch 8 is arranged along the retaining wall, and the drainage ditch is smoothly connected with the natural slope-releasing road section. The drainage ditch can achieve good drainage effect.
Further, the drain pipe 5 is a PVC pipe, and the drain pipe 5 is buried when the retaining wall is filled, and the distance between the position and the layered rolling surface is not less than 0.3m. The purpose of draining water in the retaining wall is achieved through the drain pipe 5, and the stability of the slope body is further guaranteed.
Further, the crushed stone reverse filtering layer 7 can play a role in filtering and prevent a drain pipe from being blocked.
Further, the embankment filling 10 is rolled by a road roller, the thickness of each layer of soil is 30 cm-35 cm, and each layer of soil is compacted for 8-12 times. By the backfilling, rolling and tamping, the structural strength and stability of the embankment filling 10 are guaranteed, and the reliability of the retaining wall is finally guaranteed.
Claims (7)
1. The gravity type composite structure retaining wall is characterized by comprising a current ground structure (2), wherein one side of the current ground structure (2) is provided with a wide-source cementing material wall body (4), and the inner side of the wide-source cementing material wall body (4) is filled with a embankment filling body (10); road surface structure (9) has been laid at the top of embankment filling body (10), and the end one side pressure of road surface structure (9) is on the top of wide source cementing material wall body (4), and the outside of wide source cementing material wall body (4) is concrete protection layer (3), and the inside different high departments of wide source cementing material wall body (4) and concrete protection layer (3) are provided with drain pipe (5) that run through and arrange, and drain pipe (5) are linked together with embankment filling body (10).
2. A gravity type composite structure retaining wall according to claim 1, wherein: the top of the pavement structure (9) forms a pavement (1), and the end of the pavement structure (9) is positioned at one side of the top end of the wide-source cementing material wall body (4) to form a soil shoulder (11) and a hard shoulder (12).
3. A gravity type composite structure retaining wall according to claim 1, wherein: one side that the drain pipe (5) is linked together with embankment filling body (10) is provided with rubble reverse filter layer (7), and rubble reverse filter layer (7) are located between wide source cementing material wall body (4) and embankment filling body (10), and are provided with clay water-proof layer (6) respectively in the bottom and the top of rubble reverse filter layer (7).
4. A gravity type composite structure retaining wall according to claim 1, wherein: and a drainage ditch (8) is arranged at the slope bottom of the wide-source cementing material wall body (4).
5. A gravity type composite structure retaining wall according to claim 1, wherein: the concrete protective layer (3) is designed according to engineering experience and specification requirements, the thickness is 1.5 cm-20 cm, the gradient represented by the included angle between a slope line and a vertical line is 0-17 degrees, and the strength grade of the concrete is C20-C30.
6. A gravity type composite structure retaining wall according to claim 1, wherein: the structural size of the wide-source cementing material wall body (4) is obtained by checking and calculating according to the requirements of anti-slip, anti-overturning and eccentric distance stability of the gravity retaining wall according to the height of filled soil after the wall, load grade and parameters of internal friction angle of filled soil.
7. A gravity type composite structure retaining wall according to claim 1, wherein: the wide-source cementing material wall body (4) and the embankment filling body (10) are rolled synchronously in layers, the thickness of each layer of the soil is 30 cm-35 cm, and each layer of the soil is compacted for 8-12 times.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321426513.XU CN220318577U (en) | 2023-06-06 | 2023-06-06 | Gravity type composite construction retaining wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321426513.XU CN220318577U (en) | 2023-06-06 | 2023-06-06 | Gravity type composite construction retaining wall |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220318577U true CN220318577U (en) | 2024-01-09 |
Family
ID=89410005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321426513.XU Active CN220318577U (en) | 2023-06-06 | 2023-06-06 | Gravity type composite construction retaining wall |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220318577U (en) |
-
2023
- 2023-06-06 CN CN202321426513.XU patent/CN220318577U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106522037B (en) | Side broad way based structures based on existing railway roadbed and its construction method | |
| CN101368383B (en) | Method for treating soft soil roadbed by artificial composite crust layer | |
| CN204059124U (en) | A kind of sand drain strong rammer grouting behind shaft or drift lining foundation reinforcing structure | |
| CN102995599B (en) | Anti-freeze anti-seepage water diversion treatment method of collapsible loess water-conveyance canal | |
| CN107419630A (en) | A kind of the soft soil foundation high-filled embankment and construction method of effectively control settlement after construction | |
| CN108560542B (en) | Waste tire coated building slag bidirectional reinforcement and construction method thereof | |
| CN206902488U (en) | A kind of soft soil foundation high-filled embankment of effectively control settlement after construction | |
| CN203393530U (en) | Anti-floating lightweight high-fill embankment structure | |
| CN110080166B (en) | Geotextile bag dam reinforcing method | |
| CN107905249A (en) | A kind of novel earthquake-proof supporting and retaining system backfills composite construction | |
| CN101914882B (en) | Low embankment structure in phreatic high slity soil region and construction method thereof | |
| CN109778625A (en) | A kind of express highway roadbed structure that dregs class building castoff fills | |
| CN204570720U (en) | A kind of widening of subgrade culvert foundation | |
| CN206346075U (en) | Side broad way based structures based on existing railway roadbed | |
| CN205348221U (en) | Merogenesis formula prefabricated barricade building block and retaining wall structure on an empty stomach | |
| CN214271530U (en) | Soft basic district road structure based on building rubbish is laid | |
| CN106836034B (en) | High-fill cover plate culvert flexible load shedding system and construction method | |
| CN103276717B (en) | The method of composite earthwork synthetic materials reinforcement cushion soft soil foundation | |
| CN220318577U (en) | Gravity type composite construction retaining wall | |
| CN112813756A (en) | Roadbed based on municipal soft soil and construction method | |
| CN202755438U (en) | Integrative structure with functions of anchoring, drainage and flood interception in refuse landfill | |
| CN215976663U (en) | Excavation area composite foundation treatment structure crossing under high-voltage line | |
| CN214301048U (en) | Light embankment | |
| CN116837893A (en) | Gravity type composite structure retaining wall and construction method | |
| KR20140114711A (en) | Improvement Method for Base Ground of Pavement Block using Light-Weighted Foam Soil |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |