CN211080252U

CN211080252U - Prefabricated formula deep basal pit supporting construction

Info

Publication number: CN211080252U
Application number: CN201922034570.3U
Authority: CN
Inventors: 徐炜; 李霞
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-22
Filing date: 2019-11-22
Publication date: 2020-07-24
Anticipated expiration: 2029-11-22

Abstract

The utility model relates to a deep basal pit support's technical field specifically is a prefabricated formula deep basal pit supporting construction, including soil horizon and deep basal pit, the surface on soil horizon is built and is had the anchor wall body, and the inside of anchor wall body forms deep basal pit. The anchoring wall is arranged on the surface of the deep foundation pit, the deep foundation pit is fixed to a certain extent, slope landslide of the deep foundation pit is avoided, meanwhile, a plurality of groups of first fixing piles and anchor rods are arranged on the surface of the anchoring wall, the anchoring wall can be better fixed on the surface of the deep foundation pit, and potential safety hazards caused by surface sliding of the deep foundation pit are effectively avoided; the fixing plates and the fixing clamp nails are arranged at the corners of the anchoring wall body, so that the corners of the anchoring wall body can be fixed, the anti-seismic grade of the anchoring wall body is improved, and the anti-seismic grade of the whole supporting structure is further improved; the transverse fixing columns with different lengths are arranged on the anchoring wall bodies on the upper slope surface and the lower slope surface, so that the anchoring wall bodies are effectively fixed on the inner wall of the deep foundation pit.

Description

Prefabricated formula deep basal pit supporting construction

Technical Field

The utility model relates to a deep basal pit supporting's technical field specifically is a prefabricated formula deep basal pit supporting construction.

Background

The deep foundation pit refers to a project with an excavation depth of more than 5 meters, or a depth of less than 5 meters, but with particularly complicated geological conditions, surrounding environment and underground pipelines. In order to ensure the safety of underground construction and the surrounding environment of the foundation pit, a supporting structure is generally required to be established on the side wall of the deep foundation pit and the surrounding environment.

When the deep foundation pit supporting structure is built, a prefabricated supporting structure can be adopted, structures needing to be fixed are prefabricated in advance, and then the structures are assembled to form the whole supporting structure. However, the existing prefabricated supporting structure is low in anti-seismic grade, low in safety grade of supporting of a deep foundation pit, poor in protection effect, easy to cause potential safety hazards and high in construction cost.

SUMMERY OF THE UTILITY MODEL

Technical problem

To sum up, the utility model provides a prefabricated formula deep basal pit supporting construction to solve among the above-mentioned background art current prefabricated formula deep basal pit supporting construction's antidetonation grade low, the security level is low, and the protecting effect is poor, causes the problem of potential safety hazard easily.

(II) technical scheme

The utility model provides a prefabricated formula deep basal pit supporting construction, including soil horizon and deep basal pit, the surface of soil horizon is built there is the anchor wall body, the inside of anchor wall body forms deep basal pit:

the soil layer comprises second fixed piles and a waterproof curtain, the second fixed piles are fixedly installed at two ends of the top of the soil layer, the waterproof curtain is fixedly connected to the bottom ends of the second fixed piles, and the waterproof curtain penetrates through the soil layer;

the anchoring wall comprises a first fixing pile, an anchor rod, transverse fixing columns, mounting piles, cross connecting piles, a connecting clamp, fixing steel bars, positioning nails, barbs, a fixing plate, fixing clamp nails, mounting limiting plates and vertical fixing columns, wherein the surface of the anchoring wall is fixedly provided with the mounting limiting plates, the surface of the mounting limiting plates is fixedly provided with the first fixing pile, the bottom end of the first fixing pile is fixedly connected with the anchor rod in a penetrating manner, the surface of the anchor rod is embedded with the barbs, the surface of the anchoring wall is fixedly provided with the mounting piles through the positioning nails, the surface of the mounting piles is fixedly connected with the transverse fixing columns, the transverse fixing columns are provided with a plurality of groups, each group is provided with four transverse fixing columns, the cross connecting piles are fixedly arranged at the intersection points of the four transverse fixing columns, the connecting clamps are uniformly arranged on the surfaces of the four transverse fixing columns, and are fixedly connected, the bottom fixed mounting of cross connection stake has perpendicular fixed column, the corner both ends fixed mounting of anchor wall body has fixed bail, fix through the fixed plate between the fixed bail.

Preferably, the stock is equipped with a plurality of groups, and the stock length differs, and the tail end of every group stock all runs through and fixes in the waterproof curtain.

Preferably, the installation limiting plate is inlaid with a plurality of groups on the anchoring wall body, and a plurality of groups of first fixing piles are inlaid on the surface of each group.

Preferably, the tail end of the vertical fixing column is a sharp end, and the tail end of the vertical fixing column penetrates through the anchoring wall body and is connected into the soil layer.

Preferably, the transverse fixing columns are provided with two groups, each group is provided with four groups, and the length of each group is determined according to the position of the mounting pile.

Preferably, the surface of the first fixing pile is provided with a groove, and the diameter of the groove is equal to the diameter of the pipe orifice of the anchor rod.

(III), beneficial effect:

1. at first, the utility model discloses a surface at deep basal pit is equipped with the anchor wall body, fixes deep basal pit to a certain extent, avoids deep basal pit side slope landslide, is equipped with the first spud pile of a plurality of groups and stock on the surface of anchor wall body simultaneously, can effectively avoid deep basal pit surface landing with the better surface that is fixed in deep basal pit of anchor wall body, causes the potential safety hazard.

2. Secondly, the utility model discloses a corner at the anchor wall body is equipped with fixed plate and fixed bail, can fix the corner of anchor wall body, promotes the antidetonation grade of anchor wall body, and then improves whole supporting construction's antidetonation grade.

3. Finally, the utility model discloses an install the horizontal fixed column of different length at last domatic anchor wall body with domatic down, and every group horizontal fixed column is equipped with four, carries out spacing fixed through connecting clamp fixed steel bar, and horizontal fixed column installs around the anchor wall body, effectively is fixed in the anchor wall body on the inner wall of deep basal pit, can effectively avoid deep basal pit surface landing, causes the potential safety hazard.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, wherein the arrow represents the direction of its movement, and for those skilled in the art, other related drawings can be obtained according to these drawings without inventive efforts.

Fig. 1 is a schematic view of the overall connection of the present invention.

Fig. 2 is the internal connection schematic diagram of the middle waterproof curtain and the deep foundation pit of the utility model.

Fig. 3 is a schematic top view of the horizontal fixing column of the present invention.

Fig. 4 is the installation schematic diagram of the anchor rod in the present invention.

Fig. 5 is a schematic view of the local installation of the middle anchoring wall body of the present invention.

In FIGS. 1-5: 1-soil layer, 2-deep foundation pit, 3-anchoring wall, 4-first fixing pile, 5-second fixing pile, 6-waterproof curtain, 7-anchor rod, 8-transverse fixing column, 9-mounting pile, 10-cross connecting pile, 11-connecting clamp, 12-fixing steel bar, 13-positioning nail, 14-barb, 15-fixing plate, 16-fixing staple bolt, 17-mounting limiting plate and 18-vertical fixing column.

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.

Example (b):

referring to fig. 1 to 5, a prefabricated deep foundation pit supporting structure includes a soil layer 1 and a deep foundation pit 2, an anchoring wall 3 is built on the surface of the soil layer 1, and the deep foundation pit 2 is formed inside the anchoring wall 3:

the soil layer 1 comprises second fixed piles 5 and water-stop curtains 6, the second fixed piles 5 are fixedly installed at two ends of the top of the soil layer 1, the water-stop curtains 6 are fixedly connected to the bottom ends of the second fixed piles 5, and the water-stop curtains 6 penetrate through the soil layer 1;

the anchoring wall 3 comprises first fixing piles 4, anchor rods 7, transverse fixing piles 8, mounting piles 9, cross-shaped connecting piles 10, connecting clamps 11, fixing steel bars 12, positioning nails 13, barbs 14, a fixing plate 15, fixing clamps 16, mounting limit plates 17 and vertical fixing piles 18, wherein the surface of the anchoring wall 3 is fixedly provided with a mounting limit plate 17, the surface of the mounting limit plate 17 is fixedly provided with the first fixing piles 4, the bottom end of the first fixing pile 4 is fixedly connected with the anchor rods 7 in a penetrating manner, the surface of each anchor rod 7 is embedded with the barbs 14, the surface of the anchoring wall 3 is fixedly provided with the mounting piles 9 through the positioning nails 13, the surface of each mounting pile 9 is fixedly connected with the transverse fixing piles 8, the transverse fixing piles 8 are provided with a plurality of groups, each group is four, the cross-shaped connecting piles 10 are fixedly mounted at the intersection points of the four transverse fixing piles 8, the connecting clamps 11 are uniformly mounted, connect clamp 11 and carry out fixed connection through fixed steel bar 12, the bottom fixed mounting of cross connection stake 10 has perpendicular fixed column 18, and the corner both ends fixed mounting of anchor wall body 3 has fixed bail 16, fixes through fixed plate 15 between the fixed bail 16.

Wherein, stock 7 is equipped with a plurality of groups, and the length of stock 7 differs, and the tail end of every group stock 7 all runs through to be fixed in waterproof curtain 6, can be effectively be fixed in anchoring wall body 3 on the surface of deep basal pit 2.

Wherein, installation limiting plate 17 inlays at anchor wall 3 and has a plurality of groups, and the surface mosaic of every group has the first spud pile 4 of a plurality of groups, can fix the first spud pile 4 of multiunit, and then effectively is fixed in the surface of deep basal pit 2 with anchor wall 3.

The tail end of the vertical fixing column 18 is a sharp end, and the tail end of the vertical fixing column 18 penetrates through the anchoring wall 3 to be connected into the soil layer 1, so that the vertical fixing column 18 can be effectively fixed in the soil layer 1.

Wherein, the horizontal fixed column 8 is equipped with two sets, and every group is equipped with four, and the length of every group is according to the position decision that erection pile 9 is located.

Wherein, the surface of first spud pile 4 is equipped with the recess, and the diameter of recess is equal to the mouth of pipe diameter of stock 7, can carry out fixed connection with anchor wall body 3 and deep basal pit 2 in the first spud pile 4 of stock 7 embedding.

Wherein, the top end of the vertical fixing column 18 is fixedly connected with the cross connecting pile 10, and the cross connecting pile 10 is also installed in the middle of the vertical fixing column 18 in a penetrating way.

The working principle is as follows: embedding the anchor rod 7 into the soil layer 1 through the groove on the surface of the first fixing pile 4, so as to increase the fixing strength of the deep foundation pit 2 and the anchoring wall 3; the fixed clamp 16 penetrates through the anchoring wall 3, so that the bottom end of the fixed clamp is positioned in the soil layer 1, the fixed clamp 16 close to the two ends is fixedly installed through the fixed plate 15, and the corner of the anchoring wall 3 is fixed through the fixed plate 15, so that the anti-seismic performance of the anchoring wall 3 is enhanced, and the slope landslide of the anchoring wall 3 is avoided; four groups of transverse fixing columns 8 are fixedly mounted on the surface of the anchoring wall body 3 through positioning nails 13, cross-shaped connecting piles 10 are arranged at the joints of the four groups of transverse fixing columns 8, the surfaces of the four groups of transverse fixing columns 8 are fixedly connected with fixing steel bars 12 through connecting clamps 11, fixing strength of the four groups of transverse fixing columns 8 on the periphery of the inner wall of the anchoring wall body 3 is further enhanced, and the anchoring wall body 3 and the deep foundation pit 2 are effectively fixed.

Claims

1. The utility model provides a prefabricated formula deep basal pit supporting construction, includes soil horizon (1) and deep basal pit (2), the surface construction of soil horizon (1) has anchor wall body (3), the inside of anchor wall body (3) forms deep basal pit (2), its characterized in that:

the soil layer (1) comprises second fixing piles (5) and a waterproof curtain (6), the second fixing piles (5) are fixedly installed at two ends of the top of the soil layer (1), the waterproof curtain (6) is fixedly connected to the bottom ends of the second fixing piles (5), and the waterproof curtain (6) penetrates through the soil layer (1);

the anchoring wall body (3) comprises a first fixing pile (4), an anchor rod (7), transverse fixing columns (8), mounting piles (9), cross connecting piles (10), a connecting clamp (11), fixing steel bars (12), positioning nails (13), barbs (14), a fixing plate (15), fixing clamps (16), mounting limiting plates (17) and vertical fixing columns (18), wherein the mounting limiting plates (17) are fixedly mounted on the surface of the anchoring wall body (3), the first fixing pile (4) is fixedly mounted on the surface of the mounting limiting plates (17), the anchor rod (7) is fixedly connected with the bottom end of the first fixing pile (4) in a penetrating mode, the barbs (14) are inlaid on the surface of the anchor rod (7), the mounting piles (9) are fixedly mounted on the surface of the anchoring wall body (3) through the positioning nails (13), the transverse fixing columns (8) are fixedly connected with the surface of the mounting piles (9), transverse fixing post (8) are equipped with a plurality of groups, and every group has four, the nodical fixed mounting of department of intersect of four transverse fixing posts (8) has cross connection stake (10), connection clamp (11) are all evenly installed on the surface of four transverse fixing posts (8), connection clamp (11) carry out fixed connection through fixed steel bar (12), the bottom fixed mounting of cross connection stake (10) has perpendicular fixed column (18), the corner both ends fixed mounting of anchor wall body (3) has fixed bail (16), fix through fixed plate (15) between fixed bail (16).

2. The prefabricated deep foundation pit supporting structure according to claim 1, wherein: stock (7) are equipped with a plurality of groups, and the length of stock (7) differs, and the tail end of every group stock (7) all runs through and fixes in stagnant water curtain (6).

3. The prefabricated deep foundation pit supporting structure according to claim 1, wherein: the installation limiting plate (17) is embedded with a plurality of groups in the anchoring wall body (3), and a plurality of groups of first fixing piles (4) are embedded in the surface of each group.

4. The prefabricated deep foundation pit supporting structure according to claim 1, wherein: the tail end of the vertical fixing column (18) is a sharp end, and the tail end of the vertical fixing column (18) penetrates through the anchoring wall body (3) and is connected into the soil layer (1).

5. The prefabricated deep foundation pit supporting structure according to claim 1, wherein: the transverse fixing columns (8) are provided with two groups, each group is provided with four groups, and the length of each group is determined according to the position of the mounting pile (9).

6. The prefabricated deep foundation pit supporting structure according to claim 1, wherein: the surface of the first fixing pile (4) is provided with a groove, and the diameter of the groove is equal to the diameter of the pipe orifice of the anchor rod (7).