CN219430821U - Soil nail wall supporting and fixing structure - Google Patents

Abstract

The application relates to a soil nail wall supporting and fixing structure, including the soil body with run through to the inside soil nail of soil body, be provided with concrete layer on the surface of soil body, soil nail fixed connection in concrete layer, concrete layer's inside is provided with fixed knot constructs, fixed knot constructs including fixed mounting the inside crossbeam of concrete layer, run through slidable mounting on the crossbeam has the supporting pile, soil nail run through in the supporting pile. This soil nail wall support fixed knot constructs, forms fixed knot through setting up soil nail cooperation supporting pile and constructs, can improve the anchor intensity of soil nail through the supporting pile, sets up supporting pile connection crossbeam simultaneously, also compare in setting up wooden pile and run through higher life of position accuracy also longer, through setting up supporting pile inboard slider, connecting seat and sleeve pipe for the supporting pile can be need not the drilling in advance be convenient for with mutual through connection of soil pile, has improved the practicality of device.

Description

Soil nail wall supporting and fixing structure

Technical Field

The application relates to the technical field of soil nailing wall support, in particular to a soil nailing wall support fixing structure.

Background

The soil nailing wall is supported, the soil nailing wall is reinforced by natural soil body through the soil nailing wall on site and is combined with the sprayed concrete panel to form a gravity-like retaining wall so as to resist the soil pressure behind the wall; thereby keeping the stability of the excavated surface, the soil retaining wall is called as a soil nailing wall, the soil nailing wall is arranged by drilling, inserting bars and grouting, is commonly called as a mortar anchor rod, and can also be directly driven into angle steel and thick steel bars to form soil nails

Please refer to the utility model with the publication number of CN208346829U, the soil nail wall supporting structure comprises soil nails penetrating through the slope surface of a foundation pit at fixed intervals, a plurality of wood piles penetrate through the slope surface of the foundation pit at fixed intervals, the wood piles are vertically arranged, the wood piles are attached to the corresponding soil nails, the soil nails are fixedly connected with the wood piles, a hanging net is paved on the slope surface of the foundation pit, the wood piles and the soil nails penetrate through the hanging net, a concrete layer is sprayed on the surface of the hanging net, and the concrete layer coats the hanging net, the soil nails and the wood piles. The soil nailing wall supporting structure can effectively enhance the stability of the slope surface of the foundation pit and increase the strength of soil nailing wall supporting.

According to the soil nail supporting structure, the stability of the support is improved by adopting the mode that the wooden piles are matched with the soil nails, but when the soil nail supporting structure is adopted, the wooden piles are easy to absorb water and expand when being placed in soil, so that the wooden pile structure is easy to break at the point where the soil nails penetrate, the service life of the structure is greatly shortened, and secondly, due to strict requirements on penetrating inclination angles of the soil nails, the wooden piles are required to be drilled in advance, and the soil nail wall supporting structure is troublesome and is provided for the soil nail wall supporting structure to solve the problems.

Disclosure of Invention

To the not enough of prior art, this application provides a soil nail wall support fixed knot constructs, possesses advantages such as structural strength height sets up conveniently.

In order to achieve the above purpose, the present application provides the following technical solutions: the soil nailing wall supporting and fixing structure comprises a soil body and soil nails penetrating into the soil body, wherein a concrete layer is arranged on the surface of the soil body, the soil nails are fixedly connected to the concrete layer, and a fixing structure is arranged in the concrete layer;

the fixed knot constructs including fixed mounting be in the inside crossbeam of concrete layer, run through slidable mounting on the crossbeam have the support stake, soil nail run through in the support stake, the top fixed mounting of support stake has the limiting plate, the top both sides of limiting plate all rotate and install the bolt, bolt threaded connection in the crossbeam.

Further, the cross beam is a square rod, and square holes are formed in the cross beam in a penetrating mode.

Further, the concrete layer comprises a reinforcing mesh which is tiled on the surface of the soil body, the reinforcing mesh is interwoven in a square shape, and the cross beam is parallel to the reinforcing mesh and is penetrated by the reinforcing mesh.

Further, the tail ends of the soil nails are arranged in the reinforcing mesh.

Further, the cross section of the support pile is square.

Further, the spout has been run through to both sides around the support stake, the equal slidable mounting in inner wall both sides of support stake has the slider, two rotate between the slider and install the connecting seat, two fixed mounting has the sleeve pipe between the connecting seat, soil nail with the corresponding grafting of sleeve pipe.

Further, friction strips are fixedly mounted on the inner wall of the supporting pile and are abutted to two sides of the sliding block.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

this soil nail wall support fixed knot constructs, forms fixed knot through setting up soil nail cooperation supporting pile and constructs, can improve the anchor intensity of soil nail through the supporting pile, sets up supporting pile connection crossbeam simultaneously, also compare in setting up wooden pile and run through higher life of position accuracy also longer, through setting up supporting pile inboard slider, connecting seat and sleeve pipe for the supporting pile can be need not the drilling in advance be convenient for with mutual through connection of soil pile, has improved the practicality of device.

Drawings

FIG. 1 is a schematic overall structure of the present application;

FIG. 2 is a schematic view of a part of the structure of a beam and a support pile according to the present application;

FIG. 3 is a transverse cross-sectional view of the support stake of the present application;

fig. 4 is a tiled view of the rebar mesh of the present application.

In the figure: 1. soil mass; 2. soil nails; 3. a concrete layer; 4. a cross beam; 5. supporting piles; 6. a limiting plate; 7. a bolt; 8. a chute; 9. a slide block; 10. a friction bar; 11. a connecting seat; 12. a sleeve; 13. a reinforcing mesh.

Detailed Description

The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.

Referring to fig. 1-4, a soil nailing wall supporting and fixing structure in this embodiment includes a soil body 1 and soil nails 2 penetrating into the soil body 1, wherein a concrete layer 3 is disposed on the surface of the soil body 1, and the soil nails 2 are fixedly connected to the concrete layer 3, so as to ensure stability of the soil nails 2.

Embodiment one: in this embodiment, the inside of concrete layer 3 is provided with fixed knot constructs, and fixed knot constructs including fixed mounting at the inside crossbeam 4 of concrete layer 3, and crossbeam 4 selects square pole reinforcing bar, and runs through on the crossbeam 4 and seted up the square hole, runs through slidable mounting on the crossbeam 4 and has support stake 5, and soil nail 2 runs through in support stake 5, can form reinforced structure through support stake 5 cooperation soil nail 2 for the overall stability of support is strengthened.

It should be noted that, the concrete layer 3 includes the steel bar net 13 that tiling was in soil body 1 surface, and steel bar net 13 is square form interweaving, and crossbeam 4 is on a parallel with steel bar net 13 and is run through by steel bar net 13, and steel bar net 13 forms concrete layer 3 through concrete placement, and wherein the tail end of soil nail 2 is arranged in steel bar net 13 to accomplish the fixed connection to soil nail 2 and concrete layer 3.

It will be appreciated that the cross section of the support pile 5 is square, and the downward penetration of the support pile 5 can be guided by the cross beam 4, and the deflection of the support pile 5 can be limited, and in this embodiment, the support pile 5 can be made of hollow steel pipes coated with a rust-proof layer to reduce the self water absorption problem of the support pile 5.

In order to improve the mounting stability of the support pile 5, the top of the support pile 5 in this embodiment is fixedly provided with a limiting plate 6, two sides of the top of the limiting plate 6 are rotatably provided with bolts 7, the bolts 7 are in threaded connection with the cross beam 4, and the stability of the support pile 5 can be enhanced by fastening the bolts 7 to the cross beam 4.

Embodiment two: in this embodiment, the front and back both sides of the support pile 5 are penetrated and are provided with the sliding grooves 8, both sides of the inner wall of the support pile 5 are provided with the sliding blocks 9 in a sliding manner, the connecting seats 11 are rotatably installed between the two sliding blocks 9, the sleeves 12 are fixedly installed between the two connecting seats 11, the soil nails 2 and the sleeves 12 are correspondingly inserted and connected, the sleeves 12 and the soil nails 2 can be correspondingly made to correspond through the positions of the sliding blocks 9, and the inclination angles of the support pile 5 and the soil nails 2 can be ensured to correspond through the rotation of the connecting seats 11.

It should be noted that, the friction strips 10 are fixedly installed on the inner wall of the supporting pile 5, the friction strips 10 are abutted against two sides of the sliding block 9, and the sliding of the sliding block 9 is limited by the friction strips 10, so that the sliding block 9 can be limited after sliding and cannot slide at will.

The working principle of the embodiment is as follows:

when the soil nailing wall is supported, through laying the reinforcing mesh 13 on the surface of the soil body 1, through sliding the sliding block 9, the sliding block 9 drives the connecting seat 11 and the sleeve 12 to slide in the supporting pile 5 to adjust the position of the sleeve 12, the cross beam 4 is correspondingly penetrated into the square hole to penetrate through the supporting pile 5, the supporting pile 5 is penetrated into the soil body 1, the soil nails 2 are penetrated into the soil body 1 and are inserted into the sleeve 12, the soil nails 2 and the supporting pile 5 are mutually limited to improve stability, and then the bolts 7 and the cross beam 4 are rotated to complete fastening and stabilizing the position of the supporting pile 5, so that the concrete layer 3 can be formed on the surface of the soil body 1 through pouring concrete to complete the supporting and fixing.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the application, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a soil nail wall support fixed knot constructs, includes soil body (1) and runs through to soil body (1) inside soil nail (2), its characterized in that: a concrete layer (3) is arranged on the surface of the soil body (1), the soil nails (2) are fixedly connected to the concrete layer (3), and a fixed structure is arranged inside the concrete layer (3);

the fixed knot constructs including fixed mounting be in crossbeam (4) inside concrete layer (3), run through slidable mounting on crossbeam (4) and have support stake (5), soil nail (2) run through in support stake (5), the top fixed mounting of support stake (5) has limiting plate (6), bolt (7) are all installed in rotation of the top both sides of limiting plate (6), bolt (7) threaded connection in crossbeam (4).

2. The soil nailing wall supporting and fixing structure according to claim 1, wherein: the cross beam (4) is a square rod, and square holes are formed in the cross beam (4) in a penetrating mode.

3. The soil nailing wall supporting and fixing structure according to claim 1, wherein: the concrete layer (3) comprises a reinforcing mesh (13) paved on the surface of the soil body (1), the reinforcing mesh (13) is interwoven in a square shape, and the cross beam (4) is parallel to the reinforcing mesh (13) and is penetrated by the reinforcing mesh (13).

4. A soil nailing wall supporting and fixing structure according to claim 3, wherein: the tail end of the soil nail (2) is arranged in the reinforcing mesh (13).

5. The soil nailing wall supporting and fixing structure according to claim 1, wherein: the cross section of the supporting pile (5) is square.

6. The soil nailing wall supporting and fixing structure according to claim 1, wherein: the soil nail is characterized in that sliding grooves (8) are formed in the front side and the rear side of the supporting pile (5) in a penetrating mode, sliding blocks (9) are slidably mounted on the two sides of the inner wall of the supporting pile (5), connecting seats (11) are rotatably mounted between the two sliding blocks (9), sleeves (12) are fixedly mounted between the two connecting seats (11), and the soil nails (2) are correspondingly inserted into the sleeves (12).

7. The soil nailing wall supporting and fixing structure according to claim 6, wherein: the friction strips (10) are fixedly mounted on the inner wall of the supporting pile (5), and the friction strips (10) are abutted to the two sides of the sliding block (9).