CN212175796U

CN212175796U - Protective net used between cast-in-place pile piles

Info

Publication number: CN212175796U
Application number: CN201921954426.5U
Authority: CN
Inventors: 高燕飞; 张生雨
Original assignee: MCC Tiangong Group Corp Ltd
Current assignee: MCC Tiangong Group Corp Ltd
Priority date: 2019-11-13
Filing date: 2019-11-13
Publication date: 2020-12-18
Anticipated expiration: 2029-11-13

Abstract

A protective net used among cast-in-place piles comprises a plurality of battens, a plurality of S-shaped drag hooks and a geogrid, wherein the battens are uniformly distributed on the outer circumference of a cast-in-place concrete pile and fixed on a spiral hoop of a reinforcement cage of the cast-in-place pile; the geogrid is arranged between the adjacent concrete cast-in-place piles; the geogrid is fixedly connected with the adjacent concrete cast-in-place pile through the S-shaped draw hook. This protection network simple structure, convenient to use can be according to nimble adjustment protection network size of size between the bored concrete pile stake, and strong adaptability has the reasonable emergence that has reduced the potential safety hazard of atress, and simple installation can improve the efficiency of construction for the construction progress.

Description

Protective net used between cast-in-place pile piles

Technical Field

The utility model belongs to protection construction field between building excavation supporting engineering stake is a protection network between bored concrete pile stake convenient to constructor quick erection construction.

Background

Along with the continuous development and construction of urban high-rise buildings, underground traffic engineering and the like, urban underground spaces are developed and utilized on a large scale, and special conditions of some projects restrict the construction of a foundation pit supporting and enclosing structure. After excavation of foundation pit earthwork is completed, the side slope is protected by adopting measures of planting ribs among cast-in-place piles, binding reinforcing mesh sheets and then spraying slurry, and the side slope of the foundation pit and the soil among the piles are washed away to influence a supporting structure in areas with abundant underground water or rainy and snowy weather. A measure of rapid net hanging and guniting is adopted to protect a foundation pit supporting structure in the deep foundation pit construction process, so that smooth construction of the main structure of the underground chamber part can be ensured, the manufacturing cost can be reduced, and the construction period can be shortened.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem existing in the prior art, the utility model provides a following technical scheme.

An object of the utility model is to provide a protection network for among bored concrete pile stake has solved the problem that exists in the current construction. This protection network simple structure, convenient to use can be according to nimble adjustment protection network size of size between the bored concrete pile stake, and strong adaptability has the reasonable emergence that has reduced the potential safety hazard of atress, and simple installation can improve the efficiency of construction for the construction progress.

The utility model adopts the technical proposal that:

a protective net used among cast-in-place piles comprises a plurality of battens, a plurality of S-shaped drag hooks and a geogrid, wherein the battens are uniformly distributed on the outer circumference of a cast-in-place concrete pile and fixed on a spiral hoop of a reinforcement cage of the cast-in-place pile; the geogrid is arranged between the adjacent concrete cast-in-place piles; the geogrid is fixedly connected with the adjacent concrete cast-in-place pile through the S-shaped draw hook;

furthermore, one end of the S-shaped draw hook is fixedly connected to the spiral hoop of the cast-in-place pile reinforcement cage, and the other end of the S-shaped draw hook is fixedly connected with the geogrid;

furthermore, the spiral hoop of the bored concrete pile steel reinforcement cage fixedly connected to one end of the S-shaped drag hook and the spiral hoop of the bored concrete pile steel reinforcement cage fixed by the batten are the same spiral hoop.

Further, the geogrid comprises a plurality of transverse steel bars and a plurality of longitudinal steel bars, and the transverse steel bars and the longitudinal steel bars are welded in a staggered mode.

Further, the transverse reinforcing steel bars and the longitudinal reinforcing steel bars are located on the same plane.

Further, the end face of the wood strip is rectangular or circular.

The utility model has the advantages that: the structure is reliable and the safety is high. The device abandons the mode of using the bar planting transverse connection, connects the building grille through two rows of S-shaped drag hooks on the side of the adjacent pile body, and the S-shaped drag hook between the adjacent upper and lower piles is fastened with the building grille, so that the safety of the guniting dado is ensured. The civil grille can be connected by two rows of S-shaped draw hooks on the side surfaces of adjacent pile bodies between the piles so as to meet the requirements of guniting retaining walls at various pile intervals, and the adaptability is high. Compared with the traditional method, the construction quality is easier to guarantee, the investment of personnel and materials is reduced, the labor efficiency is improved, and the construction progress is accelerated.

Drawings

Fig. 1 is a top view of an embodiment of the present invention;

fig. 2 is a plan view of the structure of the present invention.

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 efforts belong to the protection scope of the present invention.

Secondly, the technical terms such as "first", "second", "up", "down", "left", "right", "front", "back", "far", "near", etc. mentioned in the present invention are technical terms known clearly in the technical field and some position or spatial definitions performed for convenience of describing the embodiment, and are not limiting of the present invention, so it is not necessary to make much explanation.

Example 1

As shown in fig. 1-2, a protective net for use between cast-in-place piles comprises a plurality of battens 1, a plurality of S-shaped drag hooks 2 and a geogrid 3, and is characterized in that the battens 1 are uniformly distributed on the outer circumference of a cast-in-place concrete pile 4, and the battens 1 are fixed on spiral hoops of a reinforcement cage of the cast-in-place pile; a geogrid 3 is arranged between adjacent concrete cast-in-place piles 4; the geogrid 3 is fixedly connected with the adjacent concrete cast-in-place pile 4 through an S-shaped draw hook 2;

furthermore, one end of the S-shaped draw hook 2 is fixedly connected to the spiral hoop of the reinforcement cage of the cast-in-place pile 4, and the other end of the S-shaped draw hook is fixedly connected with the geogrid 3;

furthermore, the spiral hoop of the reinforcement cage of the cast-in-place pile 4 fixedly connected with one end of the S-shaped drag hook 2 and the spiral hoop of the reinforcement cage of the cast-in-place pile fixed by the batten 1 are the same spiral hoop.

After the welding of the filling pile reinforcement cage is finished, fixing the wood strip 1 on the reinforcement cage spiral hoop; the batten 1 is rectangular batten, and the size is controlled within 60mm-120 mm. The batten 1 is bound firmly in the longitudinal and transverse directions by binding wires; the distance between the first reinforcing rib at the top of the pile and the bottom of the foundation pit is calculated according to a drawing, one batten 1 is installed and positioned at intervals of a certain distance (about 1m-1.5 m), two adjacent cast-in-place pile battens 1 are bound at the same height position, and the longitudinal and transverse distances of the battens in the reinforcement cage are kept consistent. After the construction of the concrete cast-in-place pile is completed and the design strength is reached, earthwork excavation is carried out, the battens 1 are leaked, the leaked grooves and cast-in-place pile reinforcement cage stirrups are chiseled off by the aid of tools for the battens 1, S-shaped drag hook hanging rings 2 are manufactured, two rows of S-shaped drag hooks 2 on the side faces of adjacent pile bodies are utilized to connect the reinforcement cage stirrups with a civil grating 3 and are bound firmly, a protective net between the cast-in-place piles is formed, and then guniting wall protection construction is carried.

Example 2

A protective net used among cast-in-place piles comprises a plurality of battens 1, a plurality of S-shaped drag hooks 2 and a geogrid 3, and is characterized in that the battens 1 are uniformly distributed on the outer circumference of a cast-in-place concrete pile 4, and the battens 1 are fixed on a spiral hoop of a reinforcement cage of the cast-in-place pile; a geogrid 3 is arranged between adjacent concrete cast-in-place piles 4; the geogrid 3 is connected with adjacent concrete bored concrete pile 4 through the fixed 2 fixed connection of S-shaped drag hook, and the concrete implementation mode is:

1. after the welding of the filling pile reinforcement cage is finished, fixing the wood strip 1 on the reinforcement cage spiral hoop; the batten 1 is rectangular batten, and the size is controlled within 60mm-120 mm.

2. The batten 1 is bound firmly in the longitudinal and transverse directions by binding wires; the distance between the first reinforcing rib at the top of the pile and the bottom of the foundation pit is calculated according to a drawing, one batten 1 is installed and positioned at intervals of a certain distance (about 1m-1.5 m), two adjacent cast-in-place pile battens 1 are bound at the same height position, and the longitudinal and transverse distances of the battens in the reinforcement cage are kept consistent.

3. After the construction of the concrete cast-in-place pile is completed and the design strength is reached, earth excavation is carried out, the wood strips 1 are leaked, and the leaked grooves and the cast-in-place pile reinforcement cage stirrups are chiseled off by using tools for the wood strips 1.

4. Manufacturing S-shaped drag hook hoisting rings 2, connecting reinforcement cage stirrups and a civil grille 3 by utilizing two rows of S-shaped drag hooks 2 on the side surfaces of adjacent pile bodies, binding firmly to form a protective net between cast-in-place pile piles, and then carrying out guniting wall protection construction.

It will be appreciated by those skilled in the art that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of the invention or which are equivalent to the scope of the invention are embraced by the invention.

Claims

1. A protective net used between cast-in-place piles comprises a plurality of battens, a plurality of S-shaped drag hooks and a geogrid, and is characterized in that the battens are uniformly distributed on the outer circumference of a cast-in-place concrete pile and fixed on a spiral hoop of a reinforcement cage of the cast-in-place pile; the geogrid is arranged between the adjacent concrete cast-in-place piles; the geogrid is fixedly connected with the adjacent concrete cast-in-place pile through the S-shaped draw hook.

2. The protective netting for piles according to claim 1, wherein the S-shaped hooks are fixedly connected to the spiral hoops of the reinforcement cage of the pile and fixedly connected to the geogrid at one end.

3. The protective netting of claim 2, wherein the helical hoops of the pile cages fixedly connected to one end of the S-shaped hooks are the same as the helical hoops of the pile cages fixed to the strips.

4. The protection net for cast-in-place pile piles as claimed in claim 1, wherein the geogrid includes a plurality of transverse reinforcing bars and a plurality of longitudinal reinforcing bars, and the transverse reinforcing bars and the longitudinal reinforcing bars are welded alternately.

5. The protection net for cast-in-place pile piles as claimed in claim 4, wherein the transverse reinforcing bars and the longitudinal reinforcing bars are located on the same plane.

6. The protection net for cast-in-place pile piles as claimed in claim 5, wherein the end faces of the battens are rectangular or circular in shape.