CN220580032U - Pile-supporting gravity retaining wall supporting structure - Google Patents

Pile-supporting gravity retaining wall supporting structure Download PDF

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Publication number
CN220580032U
CN220580032U CN202322105244.3U CN202322105244U CN220580032U CN 220580032 U CN220580032 U CN 220580032U CN 202322105244 U CN202322105244 U CN 202322105244U CN 220580032 U CN220580032 U CN 220580032U
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China
Prior art keywords
pile
retaining wall
gravity
gravity type
filling
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CN202322105244.3U
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Chinese (zh)
Inventor
蒋学超
于森林
钟国华
张智畯
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Chongqing Huizhong Construction Drawing Design Review Co ltd
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Chongqing Huizhong Construction Drawing Design Review Co ltd
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Abstract

The utility model discloses a pile-supported gravity type retaining wall supporting structure which comprises a gravity type retaining wall, a pile foundation, a pile cap and a filling part, wherein the upper end of the pile foundation is connected with the pile cap, the upper end of the pile cap is connected with the gravity type retaining wall, one side of the gravity type retaining wall is connected with the filling part, the connection part of the gravity type retaining wall and the pile cap is positioned below the ground, the pile cap is arranged between a soil-rock interface and the ground, and the bottom of the pile foundation is positioned below a middle weathered rock-soil boundary line. The utility model adopts a supporting structure form of deep backfill soil, is used for newly building construction site selection in a deep fill area, enlarges the land use range in a building red line around the site, does not need to change and fill in a large area when the site needs to be newly added and filled to the level condition of the building site, and can effectively reduce the cost of slope supporting engineering while ensuring the integral safety of the supporting structure by matching a pile cap supported by a pile foundation with gravity retaining wall and filling soil.

Description

Pile-supporting gravity retaining wall supporting structure
Technical Field
The utility model relates to the technical field of retaining wall support, in particular to a pile-supporting gravity type retaining wall support structure.
Background
Because of the limitation of land conditions, when the project is addressed to the deep backfill area, the area of the land application functional area is usually leveled by adopting a local filling mode in order to meet the elevation and the use requirement of the land. The edge of the land block can form a high side slope due to filling, and when the height of the side slope is high and limited by land conditions such as red lines, a supporting structure is required to be arranged to support the side slope. When the common gravity type retaining wall scheme is adopted, the foundation needs to be treated, and the requirements of anti-slip and anti-overturning are met due to the gravity type retaining wall, so that the excavation depth and the treatment range are large, and the engineering cost is increased.
Disclosure of Invention
In view of the above-mentioned drawbacks of the prior art, an object of the present utility model is to provide a pile-supporting type gravity retaining wall supporting structure.
The technical scheme of the utility model is as follows:
the utility model provides a stake formula gravity type barricade supporting construction, includes gravity type barricade, pile foundation, pile cap and fill, the upper end of pile foundation is connected the pile cap, the upper end of pile cap is connected gravity type barricade, one side of gravity type barricade is connected fill, gravity type barricade with the junction of pile cap is located the below of ground, the pile cap sets up between soil-rock interface and ground, the bottom of pile foundation is located the below at well efflorescence rock-soil boundary.
Preferably, the upper end of the filling is provided with a drainage intercepting ditch.
Preferably, the upper end of the gravity type retaining wall is provided with a wall top guardrail.
Preferably, a support column is arranged at the lower end of the filling.
Preferably, the upper end of the pillar body is connected with the filling, and the lower end of the pillar body is arranged at the soil-rock interface.
Preferably, the gravity retaining wall is made of concrete material.
Preferably, one side of the filling is connected with the gravity retaining wall, and the other side of the filling is a slope surface.
Compared with the prior art, the utility model has the beneficial effects that:
according to the pile-supporting gravity type retaining wall supporting structure, the supporting structure form of deep backfill is adopted, the pile-supporting gravity type retaining wall supporting structure is used for newly building construction sites and is located in a deep filling area, the land range of a site periphery needs to be enlarged in a building red line, when the site periphery needs to be newly added and filled to the level condition of the building site, large-area replacement and filling treatment is not needed, supporting is completed by means of the cooperation of a pile cap supported by a pile foundation and the gravity type retaining wall and filling of the soil, and the slope supporting engineering cost can be effectively reduced while the integral safety of the supporting structure is ensured.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a structural view of a pile-supporting type gravity retaining wall supporting structure according to an embodiment of the present utility model.
In the figure: 1-gravity retaining wall, 2-drainage ditch, 3-toe finish surface elevation, 4-current deep backfill area, 5-soil-rock interface, 6-middle weathered rock-soil dividing line, 7-pile foundation, 8-pile cap, 9-filling, 10-wall top guardrail and 11-support.
Detailed Description
Other advantages and effects of the present utility model will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present utility model with reference to specific examples. The utility model may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present utility model. It should be noted that the following embodiments and features in the embodiments may be combined with each other without conflict.
In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
The utility model will now be further described with reference to the accompanying drawings.
The embodiment of the utility model provides a pile-supported gravity type retaining wall supporting structure, which comprises a gravity type retaining wall 1, a pile foundation 7, a pile cap 8 and a filling 9, wherein the upper end of the pile foundation 7 is connected with the pile cap 8, the upper end of the pile cap 8 is connected with the gravity type retaining wall 1, one side of the gravity type retaining wall 1 is connected with the filling 9, the joint of the gravity type retaining wall 1 and the pile cap 8 is positioned below the ground 3, the pile cap 8 is arranged between a soil-rock interface 5 and the ground 3, and the bottom of the pile foundation 7 is positioned below a middle weathered rock-soil dividing line 6.
The utility model is especially suitable for the situation that the site selection of newly built construction projects is positioned in a deep filling area, the land range of the periphery of the site needs to be enlarged in a building red line, and the site needs to be partially filled to the level elevation of the building site by newly adding a filling part. Under the condition, when adopting ordinary gravity type barricade scheme, need handle the ground, and because of gravity type barricade needs to satisfy anti-slip and anti-capsizing requirement, excavation degree of depth and treatment scope are all great, have increased engineering cost. Based on this, the applicant devised a pile-supported gravity retaining wall support structure as described above.
In the pile-supporting gravity retaining wall supporting structure, the filling 9 refers to a soil structure, is generally constructed by backfill soil or soil body selected according to actual conditions, and is matched with a slope to play a role in reinforcing and supporting the gravity retaining wall 1. According to the utility model, the foundation is not required to be treated, as shown in fig. 1, a pile foundation 7 and a pile cap 8 are constructed by drilling holes in a current deep backfill area 4 (which is generally arranged between a soil-rock interface 5 and the ground 3), wherein the joint of the gravity retaining wall 1 and the pile cap 8 is positioned below the ground 3, the pile cap 8 is arranged between the soil-rock interface 5 and the ground 3, and the bottom of the pile foundation 7 is positioned below a middle weathered rock-soil dividing line 6, so that the stability of the gravity retaining wall 1 can be ensured, and the support of a filler 9 is matched on the basis, so that the overall safety of the support structure is ensured. Meanwhile, the utility model does not need to carry out large-scale treatment on the existing foundation, only needs drilling construction, and effectively reduces the engineering cost of slope support.
In a specific embodiment, as shown in fig. 1, the upper end of the filling 9 is provided with a drainage intercepting ditch 2, and the top of the gravity retaining wall 1 is provided with a top wall guardrail 10, so that adverse effects on the slope caused by infiltration of surface water into the filling can be avoided by using the drainage intercepting ditch 2 and the top wall guardrail 10.
In a specific embodiment, as shown in fig. 1, a pillar 11 is disposed at a lower end of the filling 9, an upper end of the pillar 11 is connected to the filling 9, and a lower end of the pillar 11 is disposed at the soil-rock interface 5.
One side of the filling 9 is connected with the gravity retaining wall 1, the other side of the filling 9 is a slope surface, the slope surface exactly corresponds to a slope, the prop body 11 can be constructed on a middle part of the slope, and the prop body 11 is utilized to play a role in reinforcing and supporting the filling 9, so that the safety performance of the whole supporting structure is improved.
The following embodiment of the utility model introduces a construction method of the pile-supported gravity type retaining wall supporting structure, which comprises the following specific steps:
and 1, constructing the pile foundation 7 by adopting modes such as rotary digging or impact hole forming. For example, according to the geological conditions of the previous survey, a land-rock interface and a weathered rock-soil boundary are determined, drilling is performed according to the determined land-rock interface and the weathered rock-soil boundary by means of rotary drilling or impact drilling, and the pile foundation 7 is constructed after the hole depth exceeds at least the weathered rock-soil boundary.
And 2, constructing a pile cap 8 above the pile foundation 7.
And 3, constructing the gravity type retaining wall 1 on the pile cap 8, wherein the wall body material of the gravity type retaining wall 1 can be concrete or other stone materials, and the gravity type retaining wall is determined according to specific design. The joint of the gravity retaining wall and the bearing platform is provided with a construction joint, and a short rib or a counter slope can be arranged to improve the anti-slip capability of the gravity retaining wall.
And 4, after the construction of the gravity retaining wall 1 is checked and accepted, performing wall back side filling construction to form a filling 9.
And 5, finishing the arrangement of the intercepting drainage ditch 2 and the wall top guardrail 10, and hardening the surface of the site, thereby avoiding adverse effects on the side slope caused by the infiltration of surface water into the filling.
The above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model, and are intended to be included within the scope of the appended claims and description.

Claims (7)

1. The utility model provides a stake formula gravity type barricade supporting construction, its characterized in that includes gravity type barricade, pile foundation, pile cap and filling, the upper end of pile foundation is connected the pile cap, the upper end of pile cap is connected gravity type barricade, one side of gravity type barricade is connected the filling, gravity type barricade with the junction of pile cap is located the below of ground, the pile cap sets up between soil rock interface and ground, the bottom of pile foundation is located the below at well efflorescence rock soil boundary line.
2. The pile-supported gravity retaining wall supporting structure according to claim 1, wherein the upper end of the filling is provided with a drainage intercepting ditch.
3. The pile-supported gravity type retaining wall supporting structure according to claim 2, wherein a wall top guard rail is arranged at the upper end of the gravity type retaining wall.
4. The pile-supported gravity retaining wall supporting structure according to claim 1, wherein the lower end of the filling is provided with a supporting column.
5. The pile-supported gravity retaining wall supporting structure according to claim 4, wherein the upper end of the supporting column body is connected with the filling, and the lower end of the supporting column body is arranged at the soil-rock interface.
6. The pile-supported gravity retaining wall supporting structure according to claim 1, wherein said gravity retaining wall is made of concrete material.
7. The pile-supported gravity retaining wall supporting structure according to claim 1, wherein one side of the filling is connected with the gravity retaining wall, and the other side is a slope surface.
CN202322105244.3U 2023-08-07 2023-08-07 Pile-supporting gravity retaining wall supporting structure Active CN220580032U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322105244.3U CN220580032U (en) 2023-08-07 2023-08-07 Pile-supporting gravity retaining wall supporting structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322105244.3U CN220580032U (en) 2023-08-07 2023-08-07 Pile-supporting gravity retaining wall supporting structure

Publications (1)

Publication Number Publication Date
CN220580032U true CN220580032U (en) 2024-03-12

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322105244.3U Active CN220580032U (en) 2023-08-07 2023-08-07 Pile-supporting gravity retaining wall supporting structure

Country Status (1)

Country Link
CN (1) CN220580032U (en)

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