CN213773409U

CN213773409U - Soil nailing wall supporting construction

Info

Publication number: CN213773409U
Application number: CN202022763705.2U
Authority: CN
Inventors: 孙海明; 王元山; 肖建飞
Original assignee: Beijing Yuanyang Xinsheng Power Engineering Co ltd
Current assignee: Beijing Yuanyang Xinsheng Power Engineering Co ltd
Priority date: 2020-11-25
Filing date: 2020-11-25
Publication date: 2021-07-23
Anticipated expiration: 2030-11-25

Abstract

The utility model relates to a soil nail wall supporting construction relates to the field of slope engineering, and it includes the soil layer, and the soil layer is inserted and is equipped with the sleeve, still is provided with anchor bolt, anchor bolt insert locate in the sleeve and with sleeve threaded connection, the sleeve is provided with the anchor strut, the anchor strut is provided with many, and the anchor strut slope is in telescopic extending direction. The application has the effect of improving the safety.

Description

Soil nailing wall supporting construction

Technical Field

The application relates to the field of slope engineering, in particular to a soil nailing wall supporting structure.

Background

The soil nailing wall is an in-situ soil body reinforcement technology. The slope of the foundation pit is reinforced by soil nails made of steel bars, a steel bar mesh is laid on the surface of the slope, and a layer of concrete surface layer is sprayed on the surface of the slope to combine with the soil slope. The construction is a complex formed by firmly bonding a reinforced rod piece (namely a soil nail or an anchor rod) arranged in a slope body with the surrounding soil body, and a supporting structure similar to a gravity retaining wall formed by surface layers.

When consolidating through soil nail wall soil body among the prior art, insert the stock in the soil body usually, the joint strength between stock and the soil body is limited, and overall security is relatively poor.

SUMMERY OF THE UTILITY MODEL

In order to improve soil body security, this application provides a soil nailing wall supporting construction.

The application provides a soil nailing wall supporting construction adopts following technical scheme:

the utility model provides a soil nail wall supporting construction, includes the soil layer, inserts in the soil layer and is equipped with the sleeve, still is provided with anchor bolt, anchor bolt insert locate in the sleeve and with sleeve threaded connection, the sleeve is provided with the anchor strut, the anchor strut is provided with many, and the anchor strut slope in telescopic extending direction.

When the soil layer is reinforced by adopting the technical scheme, the sleeve is inserted into the soil layer, the contact area between the sleeve and the soil layer is increased by the reinforcing rods on the circumferential surface of the sleeve, and the connection stability between the sleeve and the soil layer is enhanced. The multiple reinforcing rods further enhance the contact area between the sleeve and the soil layer, so that the connection stability between the sleeve and the soil layer is further improved; the extending direction of the reinforcing rods is inclined to the extending direction of the sleeves, and the reinforcing rods and the soil layer are connected in a mode that the friction force between the reinforcing rods and the soil layer and the pressure between the soil layer and the circumferential surface of the reinforcing rods are added, so that the safety is improved.

Optionally, the end position of the anchor bolt is provided with a reinforcing member, the reinforcing member is rotatably connected with the anchor bolt, and the end of the sleeve is in clamping fit with the reinforcing member.

Through adopting above-mentioned technical scheme, the reinforcement is located the anchor bolt tip, and sleeve tip and reinforcement joint adaptation, when being connected anchor bolt and sleeve, the sleeve tip forms the joint to the reinforcement to form fixedly to the anchor bolt, reduce the anchor bolt and take place from the inside condition that takes place to drop of sleeve, improved the stability of being connected between anchor bolt and the sleeve, thereby improved the stability and the security on soil layer.

Optionally, a placing groove is formed in the connecting position of the anchor bolt and the reinforcing member, and the reinforcing member is clamped with the placing groove.

Through adopting above-mentioned technical scheme, when being connected anchor bolt and sleeve, the reinforcement receives the pressure of sleeve inner wall, and the reinforcement takes place to rotate to place inside the standing groove, reduce the influence when reinforcement itself is connected anchor bolt and sleeve, thereby improved the convenience in use.

Optionally, one end of the reinforcing member is provided with a spring, and two ends of the spring are respectively connected with the reinforcing member and the anchor bolt in a rotating manner.

By adopting the technical scheme, when the anchor bolt is inserted into the sleeve, the sleeve extrudes the reinforcing piece at the end part of the anchor bolt, and the spring contracts; when the reinforcing member reachd telescopic tip, the restoring force of spring promotes the reinforcing member and rotates, and the reinforcing member rotates and forms the joint with the sleeve bottom, reduces anchor bolt and takes place not hard up and the probability that drops from the sleeve to the convenience in use of reinforcing member has been improved.

Optionally, a rotating part is arranged between the reinforcing part and the anchoring bolt, and two ends of the rotating part are respectively connected with the reinforcing part and the anchoring bolt in a rotating mode.

Through adopting above-mentioned technical scheme, rotate the piece both ends and rotate with reinforcement and anchor bolt tip respectively and be connected, rotate the piece and play certain spacing effect to the angle that opens between reinforcement and the anchor bolt, when the reinforcement opens along with the elasticity of spring, rotate the piece both ends and stimulate reinforcement and anchor bolt, the reinforcement only can open certain angle, rotate the piece and make the reinforcement be the acute angle with the angle that anchor bolt's extending direction formed to the convenience of use has been promoted.

Optionally, a drainage rod is inserted into the soil layer, and a drainage hole is formed in the drainage rod.

Through adopting above-mentioned technical scheme, among the drainage rod inserted and locates the soil layer, and drainage rod seted up the wash port, the wash port was seted up the direction and is on a parallel with drainage rod's extending direction, and when humidity was great in the soil layer, unnecessary moisture can flow from the wash port to flow along the extending direction of wash port, the tip that is located the soil layer outside from drainage rod flows, and it is not hard up to reduce the too big soil layer of leading to of humidity itself in the soil layer takes place, has improved the security of soil layer.

Optionally, the soil layer is provided with a supporting table, the supporting table is fixedly connected with the soil layer, and the upper surface of the supporting table is abutted to the anchoring bolt.

Through adopting above-mentioned technical scheme, form the butt to the anchor bolt, the weight that reduces anchor bolt itself drives the sleeve in the soil layer and takes place to incline and lead to the soil property of soil layer to take place not hard up to the stability and the security of soil layer have been improved.

Optionally, a reinforcing rod is fixedly arranged at the connecting position of the support platform and the soil layer.

Through adopting above-mentioned technical scheme, the stiffener of brace table position department has increased the area of contact between brace table and the soil layer to further increased the joint strength between brace table and the soil layer, improved the security of soil layer.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the plurality of reinforcing rods are arranged on the circumferential surface of the sleeve, so that the safety is improved;

2. the safety is improved by arranging the reinforcing piece;

3. through set up the brace table on the soil layer, improved the stability and the security of soil layer.

Drawings

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

FIG. 2 is an enlarged partial schematic view of portion A of FIG. 1;

fig. 3 is a partially enlarged schematic view of a portion B in fig. 1.

Description of reference numerals: 1. a soil layer; 2. a sleeve; 21. a reinforcing rod; 3. an anchor bolt; 31. a placement groove; 32. a groove; 4. a reinforcement; 41. a spring; 5. A drain rod; 51. a drain hole; 6. a rotating member; 61. a first rotating lever; 62. a second rotating lever; 7. a support table; 71. a reinforcing rod.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses soil nailing wall supporting construction. Referring to fig. 1, a soil nailing wall supporting construction includes soil layer 1, and soil layer 1 is the slope setting, and the sleeve 2 has been inserted in soil layer 1, and anchor bolt 3 has been inserted in sleeve 2, and 2 circumference fixed being provided with anchor strut 21 of sleeve, anchor strut 21 are provided with many, and the anchor strut 21 slope sets up in the extending direction of sleeve 2, has improved the security.

Referring to fig. 1, the reinforcing bar 21 increases a contact area between the sleeve 2 and the soil layer 1, thereby increasing connection stability between the sleeve 2 and the soil layer 1 and improving safety. The reinforcing rods 21 are obliquely arranged, so that the connection strength between the sleeve 2 and the soil layer 1 is improved due to stress generated by the material of the reinforcing rods 21 in addition to the friction force between the reinforcing rods 21 and the soil layer 1, and when force is applied to the sleeve 2 from the outside, the circumferential surfaces of the reinforcing rods 21 play a role in buffering and offsetting the force perpendicular to the extending direction of the reinforcing rods 21, so that the connection stability between the reinforcing rods 21 and the soil layer 1 is further enhanced, and the safety of the soil layer 1 is further improved. The number of this embodiment with the anchor strut 21 sets up to four, and many anchor struts 21 have further increased the area of contact between sleeve 2 and the soil layer 1 to further promote the stability of being connected between sleeve 2 and the soil layer 1, improved the security of soil layer 1.

Referring to fig. 2, the anchor bolt 3 is inserted inside the sleeve 2 and is threadedly coupled with the sleeve 2. The end position department that anchor bolt 3 is located sleeve 2 inside is provided with reinforcement 4, and reinforcement 4 and sleeve 2 joint adaptation. The reinforcing member 4 is plate-shaped, and the reinforcing member 4 is rotatably connected with the end position of the anchor bolt 3, and the axial center direction of the rotating shaft of the reinforcing member 4 is perpendicular to the extending direction of the anchor bolt 3. The anchor bolt 3 is opened with a placement groove 31 at a position corresponding to the reinforcing member 4, and when the extending direction of the reinforcing member 4 is parallel to the extending direction of the anchor bolt 3, the reinforcing member 4 is placed inside the placement groove 31. When anchor bolt 3 is inserted and is located inside sleeve 2 as required, 2 inner walls of sleeve extrude reinforcement 4, and reinforcement 4 is accomodate in standing groove 31 inboard, is convenient for place reinforcement 4, also is convenient for be connected anchor bolt 3 and sleeve 2 simultaneously, has improved the convenience in use.

Referring to fig. 2, a spring 41 is further disposed between the anchor bolt 3 and the reinforcing member 4, and two ends of the spring 41 are rotatably connected to the reinforcing member 4 and the anchor bolt 3, respectively. The spring 41 and the anchor bolt 3 are provided with a groove 32 at the connecting position, when the reinforcing member 4 is stressed to enable the spring 41 to be compressed and deformed, the spring 41 is accommodated in the groove 32, and the influence of the length of the spring 41 on the connection between the anchor bolt 3 and the sleeve 2 is reduced. The spring 41 normally pushes the reinforcement 4 and the anchor bolt 3 to form an acute angle in the extending direction, and the edge of the reinforcement 4 is clamped with the bottom of the sleeve 2, so that the connection stability between the anchor bolt 3 and the connecting sleeve 2 is enhanced. Still be provided with between reinforcement 4 and the anchor bolt 3 and rotate piece 6, rotate piece 6 and include first dwang 61 and second dwang 62, first dwang 61 rotates with the standing groove 31 inner wall of anchor bolt 3 and is connected, the tip of second dwang 62 rotates with one side that reinforcement 4 is close to anchor bolt 3 and is connected, and the tip of first dwang 61 and second dwang 62 rotates and is connected.

Referring to fig. 2, when it is required to install the anchor bolt 3 inside the sleeve 2, an end portion of the anchor bolt 3 is inserted into the sleeve 2, and then the anchor bolt 3 is rotated, and the anchor bolt 3 enters the bottom of the sleeve 2. When the sleeve 2 reaches the end portion of the sleeve 2, the diameter of the sleeve 2 is increased, the reinforcing member 4 is rotated by the elastic force of the spring 41 and popped out from the inside of the placement groove 31, and the first rotating rod 61 and the second rotating rod 62 are simultaneously rotated by the force until the spring 41 is straightened and the first rotating rod 61 and the second rotating rod 62 are positioned on the same straight line. At this moment, the end part of the reinforcing part 4 is abutted against the inner wall of the sleeve 2, so that the connection stability between the anchor bolt 3 and the sleeve 2 is enhanced, the situation that the anchor bolt 3 falls off from the sleeve 2 due to looseness is reduced, and the safety of the soil layer 1 is improved.

Referring to fig. 3, a support table 7 is further disposed in the soil layer 1, the support table 7 is located below the anchor bolt 3, an upper surface of the support table 7 abuts against a portion of the anchor bolt 3 located outside the soil layer 1, and an extending direction of the upper surface of the support table 7 is perpendicular to an outer surface of the soil layer 1. The supporting table 7 supports the part, located outside the soil layer 1, of the anchor bolt 3, so that the tendency that the anchor bolt 3 slides downwards along the outer surface of the soil layer 1 in an inclined mode under the action of self gravity is reduced, the possibility that the soil layer 1 is loosened due to the movement of the anchor bolt 3 is reduced, and the safety of the soil layer 1 is improved. Reinforcing rods 71 are fixedly arranged on the part of the supporting platform 7 positioned in the soil layer 1, a plurality of reinforcing rods 71 are arranged, and the reinforcing rods 71 are arranged around the outer surface of the supporting platform 7 at equal intervals. The contact area between the supporting platform 7 and the soil layer 1 is further increased by the reinforcing rods 71, so that the connection stability between the supporting platform 7 and the soil layer 1 is improved, and the safety of the soil layer 1 is improved. Referring back to fig. 1, the drainage rod 5 is inserted into the soil layer 1, the drainage hole 51 is formed in the drainage rod 5, and the drainage rod 5 is inclined downwards along the direction away from the outer surface of the soil layer 1, so that the drainage capacity is improved, and the safety of the soil layer 1 is improved.

The implementation principle of this application embodiment a soil nailing wall supporting construction does: inside sleeve 2 predetermines in soil layer 1, anchor bar 21 has increased the stability of being connected between sleeve 2 and the soil layer 1, and anchor bolt 3 inserts and locates inside sleeve 2, and when anchor bolt 3 reached sleeve 2 bottom, spring 41's elasticity promoted reinforcement 4 and pops open, and first dwang 61 and second dwang 62 mutually support to carry on spacingly to the removal with reinforcement 4. The reinforcement 4 abuts against the sleeve 2, so that the probability of falling off of the anchor bolt 3 from the sleeve 2 is reduced, and the safety is improved. The supporting table 7 supports the anchor bolt 3, so that the looseness of a soil layer 1 caused by the downward sliding of the anchor bolt 3 is reduced, the safety is improved, the reinforcing rod 71 improves the connection stability between the supporting table 7 and the soil layer 1, and the drainage rod 5 improves the drainage performance of the soil layer 1.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a soil nailing wall supporting construction which characterized in that: including soil layer (1), insert in soil layer (1) and be equipped with sleeve (2), still be provided with anchor bolt (3), anchor bolt (3) are inserted and are located sleeve (2) and with sleeve (2) threaded connection, sleeve (2) circumference face is fixed and is provided with anchor strut (21), and anchor strut (21) are provided with many, and anchor strut (21) slope in the extending direction of sleeve (2).

2. A soil nailing wall supporting construction according to claim 1, wherein: the anchor bolt (3) tip position department is provided with reinforcement (4), and reinforcement (4) rotate with anchor bolt (3) and are connected, sleeve (2) tip and reinforcement (4) joint adaptation.

3. A soil nailing wall supporting construction according to claim 2, wherein: a placing groove (31) is formed in the connecting position of the anchoring bolt (3) and the reinforcing piece (4), and the reinforcing piece (4) is clamped with the placing groove (31).

4. A soil nailing wall supporting construction according to claim 2, wherein: one end of the reinforcing member (4) is provided with a spring (41), and two ends of the spring (41) are respectively in rotating connection with the reinforcing member (4) and the anchor bolt (3).

5. A soil nailing wall supporting construction according to claim 2, wherein: be provided with between reinforcement (4) and anchor bolt (3) and rotate piece (6), rotate piece (6) both ends and rotate with reinforcement (4) and anchor bolt (3) respectively and be connected.

6. A soil nailing wall supporting construction according to claim 1, wherein: and a drainage rod (5) is inserted into the soil layer (1), and a drainage hole (51) is formed in the drainage rod (5).

7. A soil nailing wall supporting construction according to claim 1, wherein: the soil layer (1) is provided with a supporting table (7), the supporting table (7) is fixedly connected with the soil layer (1), and the upper surface of the supporting table (7) is abutted to the anchoring bolt (3).

8. A soil nailing wall supporting construction according to claim 7, wherein: and a reinforcing rod (71) is fixedly arranged at the connecting position of the supporting platform (7) and the soil layer (1).