CN206521766U - A kind of composite cantilever formula retaining wall - Google Patents

Abstract

The utility model belongs to the technical field of retaining wall structures, in particular to a composite cantilever retaining wall. The composite cantilever retaining wall includes wall, wall toe, wall heel, cast-in-place pile, buttress and unloading platform, the wall, wall toe, wall heel and unloading platform are integrally formed, and the cast-in-situ pile is fixedly connected to the wall toe and wall heel , buttresses are fixedly connected to the wall and the toe of the wall, drainage holes are provided on the wall, and reinforcements are provided at intervals around the unloading platform. The composite cantilever retaining wall provided by the utility model has a reasonable structure and is convenient to use. Firstly, the unloading platform can withstand a large upper load, avoiding the bending of the wall, and improving the overturning resistance of the composite cantilever retaining wall; secondly, the wall toe, wall heel and wall are integrally formed, making the composite cantilever retaining wall Finally, both the reinforced structure and the cast-in-place pile have good earthquake resistance, which improves the stability of the composite cantilever retaining wall; at the same time, the design of the vegetation groove increases the greening of the ecological environment of the retaining project.

Description

A composite cantilever retaining wall

technical field

The utility model relates to a composite cantilever retaining wall, which belongs to the technical field of retaining wall structures.

Background technique

In engineering construction, maintaining slope stability is an important content, and building retaining walls to support slopes is one of the commonly used methods. A retaining wall refers to a structure that supports roadbed fill or hillside soil and prevents the deformation and instability of fill or soil. In the cross section of the retaining wall, the part directly in contact with the supported soil is called the back of the wall; the part opposite to the back of the wall is called the wall; the part in direct contact with the foundation is called the bottom plate; The top surface of the wall is called the top of the wall; the front end of the bottom plate is called the wall toe; the rear end of the bottom plate is called the wall heel.

Cantilever retaining wall is a common retaining wall, which is composed of a vertical wall and a base plate fixedly connected with the vertical wall, wherein the base plate includes a wall toe and a wall heel, and the retaining wall mainly relies on the wall heel and the wall The soil on the heel is used to maintain the stability of the wall. It makes full use of the mechanical performance of reinforced concrete. The wall has a better integrity, but its rigidity is small, and the connection with the bottom plate may be pulled due to excessive force. Cracks, and poor seismic performance, when the wall at the vertical wall is subjected to a large load, the vertical wall is easy to bend.

Utility model content

The utility model provides a composite cantilever retaining wall, which aims to solve the above-mentioned problems in the prior art.

The technical scheme of the utility model is as follows:

A composite cantilever retaining wall, comprising a wall body, a wall toe, a wall heel, cast-in-place piles and buttresses, the wall body, the wall toe and the wall heel are integrally formed, the cast-in-situ piles and the wall toe are fixedly connected, the buttresses and the wall body, Wall toe fixed connection.

In the embodiment provided by the utility model, the above-mentioned wall is provided with an unloading platform on the side close to the wall heel, and the unloading platform is used to increase the overturning resistance of the composite cantilever retaining wall;

Vegetation grooves are arranged in the buttresses.

In the embodiment provided by the utility model, the above-mentioned unloading table and the wall body are integrally formed.

In the embodiment provided by the utility model, reinforcements are provided at intervals around the above-mentioned unloading platform, and the reinforcements are used to increase the seismic resistance of the composite cantilever retaining wall.

In the embodiment provided by the utility model, the above-mentioned reinforcement material is a steel bar of 8 mm.

In the embodiment provided by the utility model, the wall is further provided with drain holes.

In the embodiment provided by the utility model, the above-mentioned wall body, wall toe, wall heel, pouring pile, buttress and unloading platform are all reinforced concrete structures.

In the embodiment provided by the present utility model, the above-mentioned fixed connection is a pouring connection.

The beneficial effects of the utility model are: the composite cantilever retaining wall provided by the utility model has a reasonable structure and is convenient to use. Firstly, the unloading platform can withstand a large upper load, avoiding the bending of the wall, and improving the overturning resistance of the composite cantilever retaining wall; secondly, the wall toe, wall heel and wall are integrally formed, making the composite cantilever retaining wall The integrity of the composite cantilever retaining wall is better; finally, both the reinforced structure and the cast-in-situ pile have good seismic resistance, which improves the stability of the composite cantilever retaining wall.

Description of drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following drawings will be briefly introduced in the embodiments. It should be understood that the following drawings only show some embodiments of the present invention. Therefore, it should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can also be obtained according to these drawings without creative work.

The structural representation one of the compound cantilever type retaining wall that Fig. 1 utility model provides;

The structural representation two of the compound cantilever type retaining wall that Fig. 2 the utility model provides;

Fig. 3 is the structural schematic diagram III of the composite cantilever retaining wall provided by the utility model.

As shown in the figure: 100-composite cantilever retaining wall; 1-wall body; 2-unloading platform; 3-reinforcing material; 4-wall heel; 5-drainage hole; - buttresses; 9 - planting grooves.

detailed description

Below in conjunction with accompanying drawing and embodiment the utility model is further described.

In order to make the purposes, technical solutions and advantages of the embodiments of the utility model clearer, the technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the utility model. Obviously, the described The embodiments described above are some of the embodiments of the present utility model, but not all of them. Therefore, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the invention. Based on the implementation manners in the present utility model, all other implementation manners obtained by those skilled in the art without making creative efforts belong to the scope of protection of the present utility model.

In the description of the utility model, it should be understood that the terms indicating orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying the Means that a device or element must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as limiting the invention.

In this utility model, unless otherwise specified and limited, terms such as "installation", "connection", "connection" and "fixation" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connection, or integration; it can be mechanical connection or electrical connection; it can be direct connection or indirect connection through an intermediary, and it can be the internal communication of two components or the interaction relationship between two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present utility model according to specific situations.

In the present invention, unless otherwise specified and limited, the first feature above or below the second feature may include that the first and second features are in direct contact, and may also include that the first and second features are not in direct contact. Rather, through additional characteristic contacts between them. Moreover, the first feature on, above and above the second feature includes the first feature directly above and obliquely above the second feature, or simply means that the first feature is horizontally higher than the second feature. The first feature being below, below and below the second feature includes the first feature being directly below and obliquely below the second feature, or simply means that the first feature has a lower level than the second feature.

Example:

A composite cantilever retaining wall 100, comprising a wall body 1, a wall toe 7, a wall heel 4, cast-in-place piles 6 and buttresses 8, the wall body 1, the wall toe 7, and wall heel 4 are integrally formed, and the cast-in-place piles 6 and the wall Toe 7 is fixedly connected, buttress 8 is fixedly connected to body of wall 1 and wall toe 7.

The wall 1 is provided with an unloading platform 2 on the side close to the wall heel 4, which is shaped like a corbel. The unloading platform 2 can bear a large part of the pressure of the filling soil above, and the earth pressure above the unloading platform 2 cannot be transmitted to the platform below, so that The total earth pressure is reduced, which effectively solves the inclination phenomenon of the wall 1 caused by the excessive lateral force on the wall heel 4 side, thus increasing the overturning resistance of the composite cantilever retaining wall 100 . Simultaneously, the unloading platform 2 increases the dead weight of the body of wall 1 to resist the retaining wall of the side pressure of the filling soil above. In addition, the unloading platform 2 and the wall body 1 are integrally formed, which greatly improves the integrity of the composite cantilever retaining wall 100 .

The buttresses 8 are provided with planting grooves 9, and there is a large space between the buttresses 8 to set the planting grooves 9 and fill them with soil, which can increase the resistance and stability of the composite cantilever retaining wall 100. Greening can also fully embody the design concept of engineering composite plant support and protection.

Ribs 3 are poured at intervals around the unloading platform 2. After the ribs 3 are covered by the top fill, the seismic performance of the composite cantilever retaining wall 100 can be greatly improved, and the composite cantilever retaining wall 100 can be prevented from being damaged in an earthquake.

The wall 1 is also provided with a drainage hole 5, which is used to drain the accumulated water on the side of the wall heel 4, so as to avoid excessive water accumulation on the wall heel 4 side, causing the foundation to collapse, and the cast-in-situ pile 6 is not supported firmly, resulting in composite The cantilevered retaining wall 100 is sloped.

In addition, the cast-in-place pile 6 is buried in the foundation, and then fixedly connected with the wall toe 7 and the wall heel 4, which further improves the integrity of the composite cantilever retaining wall 100, thereby improving the composite cantilever retaining wall 100. stability.

Wall 1, wall toe 7, wall heel 4, cast-in-place pile 6, buttress 8 and unloading platform 2 are all reinforced concrete structures.

Specifically, in this embodiment, the above-mentioned fixed connection is a pouring connection, including pouring of reinforced materials and pouring of non-reinforced materials.

It can be understood that, in this embodiment, the above-mentioned reinforcement material 3 is a steel bar of 8 mm.

The beneficial effects of the composite cantilever retaining wall provided by the utility model are: the composite cantilever retaining wall provided by the utility model has a reasonable structure and is convenient to use. Firstly, the unloading platform can withstand a large upper load, avoiding the bending of the wall, and improving the overturning resistance of the composite cantilever retaining wall; secondly, the wall toe, wall heel and wall are integrally formed, making the composite cantilever retaining wall The integrity of the structure is better; both the reinforced structure and the cast-in-situ pile have good earthquake resistance, which improves the stability of the composite cantilever retaining wall; finally, the design adds a planting groove for greening the ecological environment, which fully reflects the The design concept of engineering composite plant retaining protection is established.

The above description does not limit the utility model in any form. Although the utility model has been disclosed as above with the embodiment, it is not used to limit the utility model. Within the scope of the scheme, when the technical content disclosed above can be used to make some changes or be modified into equivalent embodiments with equivalent changes, but if it does not deviate from the content of the technical solution of the present utility model, the above embodiments shall be modified according to the technical essence of the present utility model Any simple modifications, equivalent changes and modifications all still belong to the scope of the technical solution of the present utility model.

Claims (8)

1. A compound cantilever type retaining wall is characterized in that, comprises body of wall, wall toe, wall heel, cast-in-place pile and buttress, wall body wall toe and wall heel are integrally formed, and cast-in-place pile and wall toe, wall heel are fixed Connection, the buttress is fixedly connected with the wall and the toe of the wall. 2. The composite cantilever retaining wall according to claim 1, wherein the wall is provided with an unloading table on the side close to the wall heel, and the unloading table is used to increase the composite cantilever overturning resistance of retaining walls; Planting grooves are arranged in the buttresses. 3. The composite cantilever retaining wall according to claim 2, characterized in that the unloading table and the wall body are integrally formed. 4. The composite cantilever type retaining wall according to claim 3, characterized in that, reinforcements are arranged at intervals around the unloading platform, and the reinforcements are used to increase the shock resistance of the composite cantilever type retaining wall . 5. The composite cantilever retaining wall according to claim 4, characterized in that, the reinforcement is 8mm steel bar. 6. The composite cantilever retaining wall according to claim 5, characterized in that, the wall is also provided with drainage holes. 7. The composite cantilever retaining wall according to claim 6, characterized in that, the wall body, wall toe, wall heel, cast-in-place pile, buttress and unloading platform are all reinforced concrete structures. 8. The composite cantilever retaining wall according to any one of claims 1 to 7, wherein the fixed connection is a pouring connection.