阅读说明：本技术 钢筋笼及围护桩施工方法 (Steel reinforcement cage and fender pile construction method ) 是由 郭李刚 王海瑞 曹东阳 王麟 翟小波 于 2021-09-02 设计创作，主要内容包括：本发明公开的钢筋笼及围护桩施工方法,钢筋笼包括至少一个直筋组合至少一个缠绕筋,所述直筋组包括至少三根直筋,所述至少三根直筋等距间隔设置于同一圆周上；所述至少一个缠绕筋沿所述直筋的长度方向螺旋环绕连接于所述直筋组的外侧。本发明提供的一种钢筋笼相比于多个半圆形钢筋连接直筋形成钢筋笼,本发明提供的技术方案能够减少物料数量,实现轻便化管理,同时,且相比起多次组装半圆形钢筋连接直筋,缠绕筋环绕连接也提高了现场的施工效率。(The invention discloses a steel reinforcement cage and a construction method of a fender pile, wherein the steel reinforcement cage comprises at least one straight reinforcement combined with at least one winding reinforcement, the straight reinforcement group comprises at least three straight reinforcements, and the at least three straight reinforcements are arranged on the same circumference at equal intervals; and the at least one winding rib is spirally connected to the outer side of the straight rib group in a surrounding manner along the length direction of the straight rib. Compared with a plurality of semicircular steel bars connected with straight bars to form the steel bar cage, the steel bar cage provided by the invention has the advantages that the material quantity can be reduced, the light management is realized, and meanwhile, compared with the mode that the semicircular steel bars connected with the straight bars are assembled for many times, the winding bars are connected in a surrounding manner, and the construction efficiency on site is also improved.)

1. A reinforcement cage, comprising:

each straight rib group comprises at least three straight ribs which are arranged on the same circumference at equal intervals; and

at least one winding muscle, at least one winding muscle is followed the length direction spiral of straight muscle encircles connect in the outside of straight muscle group.

2. A reinforcement cage according to claim 1, wherein: the joint of the winding rib and the straight rib is provided with a fixing rib, and the fixing rib surrounds the joint of the straight rib and the winding rib.

3. A reinforcement cage as set forth in claim 2, further comprising:

and the connecting device is arranged at one end of the straight rib so as to connect two adjacent straight rib groups.

4. A reinforcement cage according to claim 3, wherein said attachment means comprises:

a first tubular structure; and

a second barrel structure integrally connected to the first barrel structure,

the first cylindrical structure is connected with a straight rib of one of the two straight rib groups which are connected with each other, and the second cylindrical structure is connected with a straight rib of the other straight rib group.

5. A fender pile construction method comprising a reinforcement cage according to any one of claims 1 to 4, comprising the steps of:

in the first construction stage, a foundation pit is excavated at a preset place, and after the excavation of the foundation pit is finished, the bottom of the foundation pit is tamped, and the inner wall of the foundation pit is reinforced;

a second construction stage, wherein after the first construction stage is finished, a plurality of reinforcement cages are connected to form an assembled reinforcement cage, and after the connection is finished, the assembled reinforcement cage is hoisted in the foundation pit;

a third construction stage, after the second construction stage is finished, fixing the assembled reinforcement cage in the foundation pit, and arranging a temporary support for the assembled reinforcement cage in the foundation pit;

and in the fourth construction stage, after the third construction stage is finished, the steel pipe column is hoisted in the fixed assembled reinforcement cage and is fixed, and after the fixation is finished, concrete is poured into the steel pipe column to form the fender post.

6. The fender pile construction method of claim 5, wherein the first construction stage of compacting the bottom of the foundation pit comprises:

and leveling and hardening the bottom of the foundation pit.

7. The fender pile construction method according to claim 6, wherein the reinforcement treatment of the inner wall of the foundation pit in the first construction stage comprises:

and adopting concrete to pour a retaining wall between the assembled reinforcement cage and the inner wall of the foundation pit.

8. The method of claim 7, wherein the third construction stage of providing temporary support for the assembly rebar holes in the foundation pit comprises:

and a steel rope is fixedly connected between the peripheral side of the assembled steel reinforcement cage and the bottom of the foundation pit so as to fix the assembled steel reinforcement cage.

9. A fender pile construction method according to claim 8, wherein the fourth construction stage further comprises:

the method comprises the steps of hoisting the steel pipe column into the assembled reinforcement cage, laying two parallel steel beams at an opening of a foundation pit, enabling the distance between the two parallel steel beams to be the same as the diameter of the steel pipe column, arranging positioning plates on the peripheral sides of the steel pipe column, and when the steel pipe column is hoisted into the assembled reinforcement cage, enabling the steel pipe column to penetrate through the two parallel steel beams until the positioning plates are connected with the parallel steel beams, so that hoisting of the steel pipe column is completed.

10. A fender pile construction method according to claim 9, further comprising:

and after the concrete is solidified, dismantling the steel pipe column and the assembled reinforcement cage.

Technical Field

The invention relates to the technical field of building construction, in particular to a steel reinforcement cage and a fender post construction method.

Background

In urban rail transit construction process, in the tunnel construction process, often use the steel reinforcement cage as pouring fender post's support protection architecture, but current steel reinforcement cage adopts straight muscle and semi-circular reinforcing bar concatenation more, and the material is in large quantity, and the equipment is complicated, influences the efficiency of construction on-the-spot.

Disclosure of Invention

The invention mainly aims to provide a reinforcement cage and a fender post construction method, and aims to solve the technical problem that in the prior art, the field construction efficiency is low due to the fact that the quantity of materials for assembling the reinforcement cage is too large.

In order to achieve the above object, the present invention provides a reinforcement cage, comprising:

each straight rib group comprises at least three straight ribs which are arranged on the same circumference at equal intervals; and

at least one winding muscle, at least one winding muscle is connected in the outside of straight muscle group along the length direction spiral of straight muscle.

Optionally, the joints of the winding ribs and the straight ribs are provided with fixing ribs, and the fixing ribs surround the joints of the straight ribs and the winding ribs.

Optionally, the reinforcement cage further comprises a connecting device, wherein the connecting device is arranged at one end of each straight rib to connect two adjacent straight rib groups.

Optionally, the connection means comprises: a first cylindrical structure, and

a second cylinder structure, the second cylinder structure and the first cylinder structure are connected into a whole,

the first cylindrical structure is connected with a straight rib of one of the two straight rib groups which are connected with each other, and the second cylindrical structure is connected with a straight rib of the other straight rib group.

The invention also provides a fender pile construction method, which comprises the steel reinforcement cage and comprises the following steps:

in the first construction stage, a foundation pit is excavated at a preset place, after the excavation of the foundation pit is finished, the bottom of the foundation pit is tamped, and the inner wall of the foundation pit is reinforced;

in the second construction stage, after the first construction stage is finished, connecting the plurality of reinforcement cages to form an assembled reinforcement cage, and after the connection is finished, hoisting the assembled reinforcement cage in the foundation pit;

in the third construction stage, after the second construction stage is finished, the assembled reinforcement cage is fixed in the foundation pit, and a temporary support is arranged on the assembled reinforcement cage in the foundation pit;

and in the fourth construction stage, after the third construction stage is completed, the steel pipe column is hoisted in the fixed assembled reinforcement cage and is fixed, and after the fixation is completed, concrete is poured into the steel pipe column to form the fender post.

Optionally, the tamping the bottom of the foundation pit in the first construction stage includes:

and leveling and hardening the bottom of the foundation pit.

Optionally, the reinforcing the inner wall of the foundation pit at the first construction stage includes:

and adopting concrete to pour the enclosure wall between the assembled reinforcement cage and the inner wall of the foundation pit.

Optionally, the third construction stage includes in the foundation ditch setting up interim support to the assembly reinforcing bar hole:

and a fixed steel rope is connected between the peripheral side of the assembled steel reinforcement cage and the bottom of the foundation pit so as to fix the assembled steel reinforcement cage.

Optionally, the fourth construction stage further comprises:

the steel pipe column is hoisted in an assembled reinforcement cage, two steel beams which are parallel to each other are laid at an opening of a foundation pit, the distance between the two steel beams which are parallel to each other is the same as the diameter of the steel pipe column, a positioning plate is arranged on the peripheral side of the steel pipe column, when the steel pipe column is hoisted in the assembled reinforcement cage, the steel pipe column penetrates through the two steel beams which are parallel to each other until the positioning plate is connected with the steel beams which are parallel to each other, and hoisting of the steel pipe column is completed.

Optionally, the construction method of the fender post further comprises dismantling the steel pipe column and the assembled steel reinforcement cage after the concrete is solidified.

According to the technical scheme, the steel reinforcement cage is characterized in that the plurality of straight reinforcements are connected and bound through the winding reinforcements, and compared with the method that the plurality of semicircular reinforcements are bound with the straight reinforcements, the steel reinforcement cage provided by the invention has fewer materials, is convenient to assemble, and can improve the field construction efficiency.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic structural view of an embodiment of a reinforcement cage of the present invention;

FIG. 2 is a schematic structural view of another embodiment of a reinforcement cage of the present invention;

FIG. 3 is a schematic structural view of a reinforcement cage according to another embodiment of the present invention;

FIG. 4 is a schematic view of a connecting device according to the present invention;

FIG. 5 is a schematic view of the construction and setting-out process of the fender pile of the present invention;

the reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)
				100	Straight rib	200	Winding rib
300	Fixing rib	401	First cylinder structure
				402	Second cylinder structure

The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

In urban rail transit construction process, in the tunnel construction process, often use the steel reinforcement cage as pouring fender post's support protection architecture, but current steel reinforcement cage adopts straight muscle and semi-circular reinforcing bar concatenation more, and the material is in large quantity, and the equipment is complicated, influences the efficiency of construction on-the-spot.

In order to solve the problems, the invention provides a steel reinforcement cage and a fender pile construction method, as shown in fig. 1-5, which improve the construction efficiency of on-site fender pile construction.

A reinforcement cage comprises at least one straight reinforcement group and at least one winding reinforcement 200, wherein the straight reinforcement group comprises at least three straight reinforcements 100, and the at least three straight reinforcements 100 are arranged on the same circumference at equal intervals; the at least one winding rib 200 is spirally and circularly connected to the outer side of the straight rib group along the length direction of the straight rib.

It should be noted that: the reinforcement cage comprises various embodiments, wherein one embodiment comprises three straight bars 100 and a winding bar 200 which are mutually parallel, and the three straight bars 100 are spirally connected to the outer side of a straight bar group in a surrounding manner along the length direction of the straight bars 100 so as to connect the three straight bars 100 together to form the reinforcement cage;

secondly, the reinforcement cage comprises three parallel straight ribs 100 and two winding ribs 200, wherein the two winding ribs are simultaneously spirally and circularly connected to the outer sides of the straight rib groups along the length direction of the straight ribs 100, and the rotation directions of the two winding ribs are the same;

thirdly, a steel reinforcement cage includes three straight muscle 100 and two winding muscle 200 that are parallel to each other, and wherein, two winding muscle are simultaneously spiral-wound in the outside of straight muscle group along the length direction of straight muscle 100, and the rotation of two winding muscle is opposite.

In addition, it is to be additionally noted that: the joint of the winding rib 200 and the straight rib 100 can be welded or connected by a connecting piece, and the connecting piece can be a buckle, a screw and the like

It can be understood that: compared with a plurality of semicircular steel bar connecting straight bars 100 to form a steel bar cage, the technical scheme provided by the invention can reduce the material quantity and realize light management, and meanwhile, compared with the mode that the semicircular steel bar connecting straight bars 100 are assembled for many times, the winding bars 200 are connected in a surrounding manner, so that the field construction efficiency is improved.

In an alternative embodiment, the joints of the winding rib and the straight rib are provided with fixing ribs 300, and the fixing ribs 300 surround the joints of the straight rib 100 and the winding rib 200.

It should be noted that: the fixed rib 300 is circular, and the fixed rib 300 surrounds the joint of the straight rib 100 and the winding rib 200, so that the connection between the winding rib 200 and the straight rib 100 is strengthened.

As an optional embodiment, the reinforcement cage further comprises a connecting device, which is disposed at one end of the straight rib 100 to connect two adjacent straight rib groups.

As an alternative embodiment, said connection means comprise a first cylinder structure 401 and a second cylinder structure 402, said second cylinder structure 402 being integrally connected with said first cylinder structure 401,

the first tubular structure 401 is connected to the straight rib 100 of one of the two interconnected sets of straight ribs, and the second tubular structure 402 is connected to the straight rib 100 of the other set of straight ribs.

It should be noted that: mode such as can adopt screw thread or welding to connect as an organic wholely between first tubular structure 401 and the second tubular structure 402, all is provided with the screw thread deep hole in first tubular structure 401 and the second tubular structure 402, is used for connecting the straight muscle 100 of two different steel reinforcement cages respectively to connect as an organic wholely with two different steel reinforcement cages, realize the concatenation between the steel reinforcement cage.

The invention also provides a fender post construction method, which comprises the following steps:

in the first construction stage, a foundation pit is excavated at a preset place, and after the excavation of the foundation pit is finished, the bottom of the foundation pit is tamped, and the inner wall of the foundation pit is reinforced; .

A second construction stage, wherein after the first construction stage is finished, a plurality of reinforcement cages are connected to form an assembled reinforcement cage, and after the connection is finished, the assembled reinforcement cage is hoisted in the foundation pit;

a third construction stage, after the second construction stage is finished, fixing the assembled reinforcement cage in the foundation pit, and arranging a temporary support for the assembled reinforcement cage in the foundation pit;

and in the fourth construction stage, after the third construction stage is finished, the steel pipe column is hoisted in the fixed assembled reinforcement cage and is fixed, and after the fixation is finished, concrete is poured into the steel pipe column to form the fender post.

As an optional implementation manner, the tamping the bottom of the foundation pit in the first construction stage includes:

and leveling and hardening the bottom of the foundation pit to improve the stability of assembling the reinforcement cage or the steel pipe column.

It should be noted that: carry out level and smooth and hardening to the bottom of foundation ditch, can guarantee fender pile stable in structure, improve fender pile's stability.

As an optional implementation manner, the reinforcing treatment of the inner wall of the foundation pit in the first construction stage includes:

and a concrete pouring enclosure wall is adopted between the assembled reinforcement cage and the inner wall of the foundation pit, so that the soil body collapse around the foundation pit is prevented.

As an alternative embodiment, the third construction stage of setting the temporary support for the assembly reinforcing steel bar hole in the foundation pit comprises:

and a steel rope is fixedly connected between the peripheral side of the assembled steel reinforcement cage and the bottom of the foundation pit so as to strengthen and fix the assembled steel reinforcement cage.

It should be noted that: and a plurality of fixed steel ropes are all in a tightening state so as to ensure the fixing strength of the assembled steel reinforcement cage.

As an optional implementation, the fourth construction stage further includes:

the method comprises the steps of hoisting the steel pipe column into the assembled reinforcement cage, laying two parallel steel beams at an opening of a foundation pit, enabling the distance between the two parallel steel beams to be the same as the diameter of the steel pipe column, arranging positioning plates on the peripheral sides of the steel pipe column, and when the steel pipe column is hoisted into the assembled reinforcement cage, enabling the steel pipe column to penetrate through the two parallel steel beams until the positioning plates are connected with the parallel steel beams, so that hoisting of the steel pipe column is completed.

It can be understood that: the steel beam is used for positioning and fixing the steel pipe column, and the steel pipe column is prevented from deviating in the pouring process.

As an optional embodiment, the method for constructing the fender post further comprises dismantling the steel pipe column and the assembled steel reinforcement cage after the concrete is solidified.

The above description is only an alternative embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.