CN211690369U

CN211690369U - Novel material soil nail wall supporting construction

Info

Publication number: CN211690369U
Application number: CN202020064772.2U
Authority: CN
Inventors: 范留军
Original assignee: Zhengzhou University of Science and Technology
Current assignee: Zhengzhou University of Science and Technology
Priority date: 2020-01-11
Filing date: 2020-01-11
Publication date: 2020-10-16
Anticipated expiration: 2030-01-11

Abstract

The utility model discloses a novel material soil nail wall supporting construction, including laying in the domatic panel of foundation ditch side slope and being fixed in a plurality of soil discharge nails in the foundation ditch side slope, the part that soil nail is located the side slope soil body can be dismantled, fixedly connected with is used for consolidating the reinforcement of soil nail, just the part of soil nail in the side slope soil body is located in the reinforcement, the soil nail stretch out the part of reinforcement with the panel can be dismantled, fixed connection, the panel can be dismantled, fixedly connected with fastener to constitute the structure that realizes soil nail and panel, the synchronous dismantlement of reinforcement through the dismantlement of fastener, the recoverable soil nail of technical scheme, and do not hinder the construction of follow-up underground works.

Description

Novel material soil nail wall supporting construction

Technical Field

The utility model relates to a building engineering technical field specifically is a novel material soil nailing wall supporting construction.

Background

The soil nail is used as a main supporting member of the soil nail wall, the main material of the soil nail is a reinforcing steel bar at present, although the reinforcing steel bar has good tensile strength and can basically meet the supporting requirement of the soil nail wall, the reinforcing steel bar is easy to corrode, and the applicability to special strata is limited.

In the construction of the soil nailing wall, soil nails are poured in a soil body through cement paste and are fixed with a reinforced concrete surface layer, after construction, soil nails made of basalt fiber bars are left in the soil body and cannot be recycled, raw materials are wasted, meanwhile, the basalt fiber bars are not prone to corrosion, the soil body can be continuously reinforced for a long time, the soil nails become obstacles for construction of a peripheral newly-built underground engineering, and the development of a subsequent underground space is influenced.

SUMMERY OF THE UTILITY MODEL

To prior art's not enough, for overcoming prior art's defect, the utility model provides a novel material soil nail wall supporting construction, aim at solve the problem that the soil nail can not be retrieved.

Its technical scheme is, a novel material soil nailing wall supporting construction, including laying in the domatic panel of foundation ditch side slope and being fixed in a plurality of soil discharge nails in the foundation ditch side slope, the part that soil nail is arranged in the side slope soil body can be dismantled, fixedly connected with is used for consolidating the reinforcement of soil nail, just the part of soil nail in the side slope soil body is located in the reinforcement, the part that soil nail stretches out the reinforcement with panel can be dismantled, fixed connection, the panel can be dismantled, fixedly connected with fastener to constitute the structure that realizes soil nail and panel, the synchronous dismantlement of reinforcement through the dismantlement of fastener.

Preferably, the reinforcing member includes at the fixed block of soil nail axial clearance distribution, each the fixed block with soil nail threaded connection.

Preferably, each fixed block is fixedly connected with a sleeve, the sleeve is covered on the soil nail, and the fixed blocks and the sleeve are matched to form a closed channel structure with a one-way opening inside.

Preferably, each of said sleeves is of a degradable material.

Preferably, the soil nail is sleeved with a threaded part, the soil nail is fixedly connected with each threaded part, and the soil nail is in threaded connection with each fixed block through each threaded part.

Preferably, the diameter of the screw member is smaller than or equal to the caliber of the casing.

Preferably, the part of the soil nail extending out of the reinforcing member is sleeved with an installation head, the soil nail is fixedly connected with the installation head, the installation head is sleeved with a pipe fitting for limiting one-side axial movement of the installation head, and the pipe fitting is fixedly connected with the panel.

Preferably, the clamping piece and the pipe fitting are detachably and fixedly connected, the clamping piece is in sliding connection with the mounting head, and the radial contact sections of the clamping piece, the mounting head and the pipe fitting are of matched polygonal structures.

The utility model provides a novel material soil nail wall supporting construction compares beneficial effect with prior art and is:

1. the part of the soil nail in the side slope soil body is detachably and fixedly connected with a reinforcing member for reinforcing the soil nail, the part of the soil nail in the slope soil body is positioned in the reinforcing piece, the part of the soil nail extending out of the reinforcing piece is detachably and fixedly connected with the panel, the panel is detachably and fixedly connected with the clamping piece, and the structure that the soil nail, the panel and the reinforcing piece are synchronously disassembled through the disassembly of the clamping piece is formed, so that the soil nail can be recycled, the material is saved, simultaneously, the firmness of the cement blocks in the soil body is reduced, and as the sleeves in the reinforcing member are made of degradable materials, the sleeves are decomposed along with the time, after the soil nails are removed, only the fixed blocks exist in the cement blocks, the soil nails are not used for supporting and fixing, and the fixed blocks are in a gap distribution state, the cement block is easy to be damaged in the subsequent construction, and the subsequent construction of underground engineering is not hindered.

Drawings

Fig. 1 is a front view of the present invention.

Fig. 2 is an enlarged sectional view taken along line a-a of the present invention.

Fig. 3 is an enlarged sectional view taken along line B-B of the present invention.

Fig. 4 is an enlarged cross-sectional view taken at C-C of the present invention.

Fig. 5 is a left enlarged view of the fixing block of the present invention.

In the figure: 1 panel, 2 soil nails, 3 reinforcements, 3.1 fixed block, 3.2 sleeve pipes, 3.3 screw, 4 installation heads, 5 pipe fittings, 6 fastener.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The first embodiment is as follows:

referring to fig. 1, the present invention provides a technical solution: a novel material soil nailing wall supporting structure comprises a concrete panel 1 laid on the slope surface of a foundation pit slope and a plurality of soil nailing 2 fixed in the foundation pit slope, the material of the soil nailing 2 is basalt fiber bar, the part of the soil nailing 2 located in the slope soil body is detachable and fixedly connected with a reinforcing member 3 used for reinforcing the soil nailing 2, the reinforcing member 3 comprises fixed blocks 3.1 distributed in the axial clearance of the soil nailing 2, each fixed block 3.1 is in threaded connection with the soil nailing 2, the soil nailing 2 is in threaded connection with the fixed block 3.1, the soil nailing 2 can be rotatably detached from the fixed block 3.1 and can also be fixedly connected with the soil nailing 2 by limiting the rotation of the soil nailing 2, a structure that the soil nailing 2 is detachable and fixedly connected with the reinforcing member 3 is formed, wherein a threaded member 3.3 is sleeved outside the soil nailing 2, the number of the threaded member 3.3 is equal to the number of the fixed blocks 3.1, and the material of the threaded member 3.3 is stainless steel, the soil nail 2 is clamped and fixed with each threaded part 3.3, the soil nail 2 is in threaded connection with each fixed block 3.1 through each threaded part 3.3, so that the threaded fixing of the threaded parts 3.3 and the fixed blocks 3.1 is not influenced by the stretching of the soil nail 2 in the process of fixing soil mass, each threaded part 3.3 is separated from each fixed block 3.1 through the rotation of the soil nail 2 after construction, each fixed block 3.1 is bonded with the sleeve 3.2, the sleeve 3.2 is covered on the soil nail 2 at the part of the soil mass of the side slope, except the joint of the fixed block 3.1 and the soil nail 2, the sleeve 3.2 is covered on the soil nail 2 at the other part, the fixed block 3.1 and the sleeve 3.2 are matched to form a closed channel structure with a one-way opening inside, the part of the soil nail 2 in the soil mass is located in the closed channel structure, even if the part of the soil mass of the soil nail 2 is located in the reinforcing part 3, wherein the diameter of the threaded parts of the sleeve 3.3 is, make things convenient for the dismantlement of soil nail 2, each sleeve pipe 3.2 is the degradable material that is fit for such as full starch plastics, pour grout outside reinforcement 3 after, sleeve pipe 3.2 decomposes along with the lapse of time and comes, after removing soil nail 2, only fixed block 3.1 exists in the cement piece that grout formed, it is fixed not have soil nail 2 to support, and fixed block 3.1 is in the clearance distribution state, make the cement piece very easily destroyed in subsequent construction, do not hinder the construction of follow-up underground works.

The part of the soil nail 2 extending out of the reinforcing piece 3 is externally sleeved with a mounting head 4, the soil nail 2 is fixed with the mounting head 4 through a bolt, the soil nail 2 is conveniently mounted and dismounted through the mounting head 4, the mounting head 4 is externally sleeved with a pipe fitting 5 which limits the axial movement of one side of the mounting head 4, the pipe fitting 5 is provided with through holes with different diameters and outwards opened, the mounting head 4 enables the pipe fitting 5 to limit the axial movement of the mounting head 4 towards the soil body through the surface contact and matching with inclined edge holes on the through holes, the contact surface of the mounting head 4 and the pipe fitting 5 is of a round hole structure, the mounting head 4 and the pipe fitting 5 can relatively rotate, the pipe fitting 5 and the panel 1 are fixedly poured by concrete, the panel 1 is detachably and fixedly connected with a clamping piece 6, the clamping piece 6 and the pipe fitting 5 are detachably and fixedly connected, the clamping piece 6 is, the radial contact sections of the clamping piece 6, the mounting head 4 and the pipe fitting 5 are of polygonal structures matched with each other, the polygonal structures are structures suitable for being hexagonal and the like, so that the relative rotation of the mounting head 4 and the pipe fitting 5 is limited by the clamping piece 6, the clamping piece 6 and the pipe fitting 5 can slide relatively, the clamping piece 6 and the pipe fitting 5 can slide and separate, the pipe fitting 5 is clamped with the clamping piece 6 through a bump and a groove, a structure that the clamping piece 6 and the pipe fitting 5 are detachable and fixedly connected is formed, the clamping piece 6 and the panel 1 are detachable and fixedly connected, after the clamping piece 6 is pulled out of the pipe fitting 5 through the sliding of the clamping piece 6, the mounting head 4 can be rotated through the polygonal structures on the mounting head 4, the soil nail 2 can be simultaneously detached from the pipe fitting 5 on the panel 1 and the fixed block 3.1 on the reinforcing piece 3, and the structure for realizing the synchronous detachment of the soil, when the clamping piece 6 is fixed with the pipe fitting 5, the clamping piece 6 limits the relative rotation of the mounting head 4, so that the mounting head 4 is fixed with the pipe fitting 5 on the panel 1, and the structure that the part of the soil nail 2 extending out of the reinforcing piece 3 is detachably and fixedly connected with the panel 1 is formed.

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

Claims

1. The utility model provides a novel material soil nailing wall supporting construction, includes a plurality of rows of soil nails (2) of laying in domatic panel (1) of foundation ditch side slope and being fixed in the foundation ditch side slope, its characterized in that: soil nail (2) are arranged in the side slope soil body and can be dismantled, fixedly connected with is used for reinforcing reinforcement (3) of soil nail (2), just soil nail (2) are arranged in the side slope soil body part of reinforcement (3), soil nail (2) stretch out the part of reinforcement (3) with panel (1) can be dismantled, fixed connection, panel (1) can be dismantled, fixedly connected with fastener (6) to constitute the structure of dismantling through fastener (6) and realizing that soil nail (2) and panel (1), reinforcement (3) are dismantled in step.

2. A novel material soil nailing wall supporting structure according to claim 1, wherein: the reinforcing member (3) includes fixed block (3.1) that soil nail (2) axial clearance distributes, each fixed block (3.1) with soil nail (2) threaded connection.

3. A novel material soil nailing wall supporting structure according to claim 2, wherein: each fixing block (3.1) is fixedly connected with a sleeve (3.2), the sleeve (3.2) is covered on the soil nail (2), and the fixing blocks (3.1) and the sleeve (3.2) are matched to form a closed channel structure with a unidirectional opening inside.

4. A novel material soil nailing wall supporting structure according to claim 3, wherein: each of said sleeves (3.2) is of a degradable material.

5. A novel material soil nailing wall supporting structure according to claim 3, wherein: the soil nail (2) is sleeved with threaded parts (3.3), the soil nail (2) is fixedly connected with the threaded parts (3.3), and the soil nail (2) is in threaded connection with the fixed blocks (3.1) through the threaded parts (3.3).

6. The new material soil nailing wall supporting structure of claim 5, wherein: the diameter of the screw (3.3) is less than or equal to the caliber of the sleeve (3.2).

7. A novel material soil nailing wall supporting structure according to claim 2, wherein: the part of the soil nail (2) extending out of the reinforcing piece (3) is sleeved with an installing head (4), the soil nail (2) is fixedly connected with the installing head (4), a pipe fitting (5) limiting the one-side axial movement of the installing head (4) is sleeved outside the installing head (4), and the pipe fitting (5) is fixedly connected with the panel (1).

8. A novel material soil nailing wall supporting structure according to claim 7, wherein: the clamping piece (6) and the pipe fitting (5) are detachably and fixedly connected, the clamping piece (6) and the mounting head (4) are in sliding connection, and the radial contact sections of the clamping piece (6), the mounting head (4) and the pipe fitting (5) are of matched polygonal structures.