CN219157717U

CN219157717U - Foundation pit slope protection supporting structure

Info

Publication number: CN219157717U
Application number: CN202223560302.3U
Authority: CN
Inventors: 程德文; 李春恒; 陈建康; 王涛; 邢仲星; 董淑科; 曾力娟; 曹东升; 张忠甫; 刘涛
Original assignee: Beijing Modern Jinyu Geotechnical Engineering Co ltd
Current assignee: Beijing Modern Jinyu Geotechnical Engineering Co ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-06-09
Anticipated expiration: 2032-12-30

Abstract

The utility model discloses a foundation pit slope protection support structure, which relates to the technical field of foundation pit slope protection support and comprises a foundation pit body, wherein longitudinal reinforcing ribs and transverse reinforcing ribs are arranged on two sides of the foundation pit body, fixing pins are inserted at the intersections of the longitudinal reinforcing ribs and the transverse reinforcing ribs, firm structures are arranged on two sides or two ends of the longitudinal reinforcing ribs and the transverse reinforcing ribs, concrete layers are poured outside the longitudinal reinforcing ribs and the transverse reinforcing ribs, and a hydrophobic structure is arranged on one side of the bottom end of the foundation pit body. According to the foundation pit slope protection support structure, the fixing pins are arranged at the intersections of the longitudinal reinforcing ribs and the transverse reinforcing ribs in an inserting mode, the four fixing pins are arranged near the inserting columns at one side of the foundation pit body and are respectively located at the intersections of the longitudinal reinforcing ribs and the transverse reinforcing ribs, so that the foundation pit slope protection support structure is improved to firmly connect the intersections of the longitudinal reinforcing ribs and the transverse reinforcing ribs, the firm connection effect is prevented from being low, and the phenomenon of easy detachment is avoided.

Description

Foundation pit slope protection supporting structure

Technical Field

The utility model relates to the technical field of foundation pit slope protection support, in particular to a foundation pit slope protection support structure.

Background

The foundation pit is a soil pit excavated at a foundation design position according to the substrate elevation and the foundation plane size, and after the foundation pit is constructed, the side edge presents a slope state.

The method for supporting the foundation pit wall adopts transverse and longitudinal steel bars to be placed, and the wall is protected by spraying concrete.

The vertical and horizontal strengthening ribs are arranged at the slope of the foundation pit, and the middle of the horizontal strengthening ribs is in an arc state due to gravity, so that the supporting area is reduced, the number of the horizontal strengthening ribs paved on the slope protection of the foundation pit is increased, and then a point fixing structure is needed.

Disclosure of Invention

The utility model aims to provide a foundation pit slope protection supporting structure, which aims to solve the problem that in the background art, the middle of transverse reinforcing ribs is provided with arc shapes due to gravity, so that the transverse reinforcing ribs are not positioned on the same straight line after being placed, and the using quantity of the transverse reinforcing ribs is increased.

The utility model provides a foundation pit slope protection supporting structure, which adopts the following technical scheme that;

the utility model provides a foundation ditch bank protection supporting construction, includes the foundation ditch body, the both sides of the foundation ditch body all are provided with vertical strengthening rib and horizontal strengthening rib, vertical strengthening rib and horizontal strengthening rib intersection grafting have the fixed pin, vertical strengthening rib and horizontal strengthening rib's both sides or both ends all are provided with firm structure, the outside of vertical strengthening rib and horizontal strengthening rib is poured with concrete layer, one side of foundation ditch body bottom is provided with hydrophobic structure.

Through adopting above-mentioned technical scheme, vertical strengthening rib and horizontal strengthening rib are pegged graft through the fixed pin, peg graft vertical strengthening rib and horizontal strengthening rib intersection, realize that vertical strengthening rib and horizontal strengthening rib multiple spot intersection play the supporting role.

Optionally, a wall is fixed in the foundation pit body.

By adopting the technical scheme, certain personnel activity space is reserved on the inclined planes of the wall body and the foundation pit body, and the construction of the wall body is not influenced.

Optionally, the drainage structure includes drainage pipe, drainage pipe installs in one side of foundation ditch body bottom, drainage pipe's intermediate position department is fixed with the filter screen.

Through adopting above-mentioned technical scheme, the filter screen plays and shelters from the construction waste effect, avoids the construction waste to get into in the drainage pipe as far as possible, influences the flowing back.

Optionally, the top extrusion of drainage pipe is provided with the cock body.

By adopting the technical scheme, the drainage pipeline can be blocked under the condition of no drainage, and construction waste is prevented from entering the drainage pipeline.

Optionally, firm structure includes the bolt, the bolt all sets up in the both sides of longitudinal reinforcement muscle both ends and horizontal reinforcement muscle, the bolt is close to foundation ditch body one side integration and is the inclined plane setting.

By adopting the technical scheme, the bolt embedding depth close to the ground surface on the longitudinal reinforcement bar is avoided from being low, the bolt embedding depth is easy to develop, and poor firmness is caused.

Optionally, the jack has been seted up to the bolt one side or the one end of vertical stiffening rib that is close to horizontal stiffening rib, constitute grafting structure through the jack between bolt and vertical stiffening rib or bolt and the horizontal stiffening rib.

Through adopting above-mentioned technical scheme, improve the bolt to the connection of vertical stiffening rib and horizontal stiffening rib to improve the fastness to vertical stiffening rib and horizontal stiffening rib.

Optionally, the intermediate position department that the fixed pin is close to foundation ditch body one end is the couple arc setting the fixed pin and is close to foundation ditch body one side distribution has everywhere spliced pole.

Through adopting above-mentioned technical scheme, increase with the area of contact of soil, cause resistance when extracting the fixed pin.

In summary, the present utility model includes at least one of the following advantages;

1. the fixing pins are inserted at the intersections of the longitudinal reinforcing ribs and the transverse reinforcing ribs, the fixing pins are four near the inserted columns at one side of the foundation pit body and are respectively positioned at the intersections of the longitudinal reinforcing ribs and the transverse reinforcing ribs, so that the foundation pit slope protection supporting structure is improved to firmly connect the intersections of the longitudinal reinforcing ribs and the transverse reinforcing ribs, the firm connection effect is prevented from being low, and the phenomenon of easy detachment is avoided;

2. through being provided with cock body, filter screen and drainage pipe, the drainage pipe embedding is installed in soil, plays the drainage effect through the drainage pipe in later stage, avoids piling up the rainwater phenomenon in the foundation ditch as far as possible, and the drainage pipe passes through filter screen and cock body to the construction waste material shielding effect, in the drainage pipe is extruded through the cock body during the construction, makes the drainage pipe seal, avoids construction waste material to drop in the drainage pipe, leads to the jam phenomenon, has realized that this foundation ditch bank protection supporting structure has the drainage function, reduces the rainwater accumulation phenomenon, reduces the influence that causes the staff construction;

3. through being provided with jack and bolt, peg graft in the longitudinal reinforcement muscle and violently add the muscle both ends through the jack, the bolt inserts in the foundation ditch, through the bolt increase longitudinal reinforcement muscle and the stability of violently adding the reinforcement muscle and putting, produce the displacement phenomenon when avoiding later stage spraying concrete, improved the stability of this foundation ditch slope protection supporting construction longitudinal reinforcement muscle and violently adding the reinforcement muscle.

Drawings

FIG. 1 is a schematic diagram of a front view of the present utility model;

FIG. 2 is a schematic diagram of the distribution structure of the longitudinal reinforcement and the transverse reinforcement of the present utility model;

FIG. 3 is a schematic cross-sectional elevation view of a hydrophobic structure according to the present utility model;

fig. 4 is an enlarged schematic view of the structure of fig. 1 a according to the present utility model.

In the figure: 1. a foundation pit body; 2. a wall body; 3. a concrete layer; 4. a hydrophobic structure; 401. a plug body; 402. a filter screen; 403. a drainage pipe; 5. longitudinal reinforcement ribs; 6. a fixing pin; 7. transverse reinforcing ribs; 8. a firm structure; 801. a jack; 802. a bolt.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model is described in further detail below with reference to fig. 1-4.

The utility model discloses a foundation pit slope protection supporting structure. Referring to fig. 1-4, a foundation pit slope protection supporting structure comprises a foundation pit body 1, longitudinal reinforcement ribs 5 and transverse reinforcement ribs 7 are arranged on two sides of the foundation pit body 1, the longitudinal reinforcement ribs 5 and the transverse reinforcement ribs 7 are laid in a crossed mode, shielding of inclined plane soil is improved, and collapse phenomenon of an inclined plane is avoided when sprayed concrete is avoided as much as possible. The fixed pin 6 is inserted at the intersection of the longitudinal reinforcing ribs 5 and the transverse reinforcing ribs 7, the middle position of the fixed pin 6 close to one end of the foundation pit body 1 is in a hook arc shape, the fixed pin 6 is distributed with four inserting posts on one side close to the foundation pit body 1, and the contact area with soil is increased.

Referring to fig. 2, after the longitudinal reinforcement 5 and the transverse reinforcement 7 are placed in a crossing manner, a proper point is selected to connect the fixing pin 6 to the crossing position of the longitudinal reinforcement 5 and the transverse reinforcement 7, and the firmness between the longitudinal reinforcement 5 and the transverse reinforcement 7 is increased through the fixing pin 6.

Referring to fig. 1 and 3, concrete layers 3 are poured outside the longitudinal reinforcing ribs 5 and the transverse reinforcing ribs 7, and the inclined plane supporting effect on the foundation pit body 1 is increased through the concrete layers 3. One side of foundation ditch body 1 bottom is provided with hydrophobic structure 4. The drainage structure 4 comprises a drainage pipeline 403, the drainage pipeline 403 is arranged on one side of the bottom end of the foundation pit body 1, and the other end of the drainage pipeline 403 is directly connected with a sewer pipe and is discharged through the sewer pipe or directly flows into a river channel to be discharged. A filter screen 402 is fixed to the middle of the drain pipe 403. The top end of the drain pipe 403 is provided with a plug 401.

Referring to fig. 1 and 3, before rainy days, plug body 401 is pulled out, rainwater flows through drain pipe 403, dregs are filtered through filter screen 402, drain pipe 403 is connected with the downcomer, rainwater in foundation pit body 1 flows into the downcomer along drain pipe 403, then discharges, avoids rainwater to pile up in foundation pit body 1 and is difficult to run off, causes the influence to the staff.

Referring to fig. 1, a wall body 2 is fixed inside a foundation pit body 1, and a personnel movement space exists between the foundation pit body 1 and the wall body 2.

Referring to fig. 1 and 4, both sides or both ends of the longitudinal reinforcement 5 and the lateral reinforcement 7 are provided with a firm structure 8; the firm structure 8 includes bolt 802, and bolt 802 all sets up in the both sides of vertical stiffening rib 5 both ends and horizontal stiffening rib 7, and bolt 802 is close to foundation ditch body 1 one side integration and is the inclined plane setting. The jack 801 is arranged at one side of the bolt 802 close to the transverse reinforcing rib 7 or one end of the longitudinal reinforcing rib 5, and an inserting structure is formed between the bolt 802 and the longitudinal reinforcing rib 5 or between the bolt 802 and the transverse reinforcing rib 7 through the jack 801, so that the firmness between the longitudinal reinforcing rib 5 and the bolt 802 or between the transverse reinforcing rib 7 and the bolt 802 is improved.

Referring to fig. 1, before vertical reinforcement 5 and horizontal reinforcement 7 put, bolt 802 cup joints at vertical reinforcement 5 and horizontal reinforcement 7 both ends through jack 801, and vertical reinforcement 5 and horizontal reinforcement 7 put the back, in bolt 802 inserts foundation ditch body 1 in soil, improves the stability of vertical reinforcement 5 and horizontal reinforcement 7 put.

The implementation principle of the foundation pit slope protection supporting structure provided by the utility model is as follows:

firstly, the bolts 802 are sleeved at two ends of the longitudinal reinforcement 5 and the transverse reinforcement 7 through the insertion holes 801, and after the longitudinal reinforcement 5 and the transverse reinforcement 7 are placed on the inclined surface of the foundation pit body 1 in the later period, the bolts 802 are inserted into the soil of the foundation pit body 1 in an extrusion mode, so that the longitudinal reinforcement 5 and the transverse reinforcement 7 are firmly inserted.

Secondly, the fixing pin 6 is inserted into the intersection of part of the longitudinal reinforcement 5 and the transverse reinforcement 7, the fixing pin 6 inserts the four intersections of the insertion of the longitudinal reinforcement 5 and the transverse reinforcement 7 into the soil, the intersection of the longitudinal reinforcement 5 and the transverse reinforcement 7 is supported in multiple points, the horizontal or vertical performance of the transverse reinforcement 7 and the longitudinal reinforcement 5 is improved, and meanwhile, the intersection of the longitudinal reinforcement 5 and the transverse reinforcement 7 is improved.

Finally, through the guniting device, the slurry concrete is sprayed onto the inclined plane of the foundation pit body 1, and covers the longitudinal reinforcement 5 and the transverse reinforcement 7, and as the inclined planes of the wall body 2 and the foundation pit body 1 are provided with a certain distance, the construction treatment of the wall body 2 is not affected, the slurry drainage pipeline 403 is arranged at the bottom of the foundation pit body 1, rainwater can flow into an external underground water pipe through the drainage pipeline 403, then the rainwater can be directly discharged, the filter screen 402 plays a role in shielding soil, and finally the work of the foundation pit slope protection supporting structure is completed.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a foundation ditch bank protection supporting construction, includes the foundation ditch body (1), its characterized in that: the foundation pit is characterized in that longitudinal reinforcement ribs (5) and transverse reinforcement ribs (7) are arranged on two sides of the foundation pit body (1) at equal intervals, fixing pins (6) are inserted at the intersections of the longitudinal reinforcement ribs (5) and the transverse reinforcement ribs (7), firm structures (8) are arranged on two sides or two ends of the longitudinal reinforcement ribs (5) and the transverse reinforcement ribs (7), concrete layers (3) are poured outside the longitudinal reinforcement ribs (5) and the transverse reinforcement ribs (7), and a hydrophobic structure (4) is arranged on one side of the bottom end of the foundation pit body (1).

2. The foundation pit slope protection support structure of claim 1, wherein: the interior of the foundation pit body (1) is fixedly provided with a wall body (2).

3. The foundation pit slope protection support structure of claim 1, wherein: the drainage structure (4) comprises a drainage pipeline (403), the drainage pipeline (403) is arranged on one side of the bottom end of the foundation pit body (1), and a filter screen (402) is fixed at the middle position of the drainage pipeline (403).

4. A foundation pit slope protection support structure according to claim 3, wherein: the top end of the drainage pipeline (403) is provided with a plug body (401) in a squeezing mode.

5. The foundation pit slope protection support structure of claim 1, wherein: firm structure (8) include bolt (802), bolt (802) all set up in the both sides of longitudinal reinforcement muscle (5) both ends and horizontal reinforcement muscle (7), bolt (802) are close to foundation ditch body (1) one side integration and are the inclined plane setting.

6. The foundation pit slope protection support structure of claim 5, wherein: the plug pin (802) is close to one side of the transverse reinforcing rib (7) or one end of the longitudinal reinforcing rib (5) and provided with a jack (801), and the plug pin (802) and the longitudinal reinforcing rib (5) or the plug pin (802) and the transverse reinforcing rib (7) form a plug-in structure through the jack (801).

7. The foundation pit slope protection support structure of claim 1, wherein: the fixed pin (6) is near the intermediate position department of foundation ditch body (1) one end and is the couple arc setting, fixed pin (6) are close to foundation ditch body (1) one side and are distributed there are everywhere inserted columns.