阅读说明：本技术 一种构造柱免支模的施工方法 (Construction method for constructional column without formwork ) 是由 徐海广 胡家林 王硕 赵新 于 2021-08-12 设计创作，主要内容包括：本发明公开了一种构造柱免支模的施工方法,包括绑扎构造柱钢筋笼、砌筑两侧墙体、砌筑构造柱U型板、浇筑构造柱混凝土、构造柱夹紧固定。本发明的有益效果是：设置有拉结钢筋,使拉结钢筋B的弯折部位卡放在该层砖块之间的缝隙处,以使钢筋笼在浇筑前与两层墙体形成初步固定连接,进而可防止钢筋笼倾斜；设置有U型板,能够正好安装在两侧墙体之间所预留的错层状间隙处,进而形成对构造柱钢筋笼的包裹,且直接砌筑在墙体上,无需对构造柱进行支模浇筑；设置有夹紧机构,能够抵住压板对U型板施加压力,进而防止所浇筑的构造柱混凝土坍塌,且构成夹紧机构的材料便于获取,同时也能够重复使用,降低施工成本。(The invention discloses a construction method of a constructional column without a formwork, which comprises the steps of binding a constructional column steel reinforcement cage, building two side walls, building a constructional column U-shaped plate, pouring constructional column concrete and clamping and fixing the constructional column. The invention has the beneficial effects that: the steel reinforcement cage is provided with the tie steel bars, so that the bending parts of the tie steel bars B are clamped in the gaps among the layers of bricks, the steel reinforcement cage is preliminarily and fixedly connected with the two layers of wall bodies before pouring, and the steel reinforcement cage can be prevented from inclining; the U-shaped plates can be arranged at the reserved staggered gaps between the wall bodies on the two sides, so that the constructional column reinforcement cage is wrapped and directly built on the wall bodies, and the constructional column does not need to be subjected to formwork erection and pouring; be provided with clamping mechanism, can support the clamp plate and exert pressure to the U template, and then prevent that the constructional column concrete that pours from collapsing, and the material that constitutes clamping mechanism is convenient for acquire, also can used repeatedly simultaneously, reduces construction cost.)

1. A construction method of a constructional column without formwork is characterized in that: comprises the following steps

Step one, binding a constructional column reinforcement cage, binding four vertical reinforcements (31) and a plurality of stirrups (32) together through binding wires to form the reinforcement cage (3), and pouring the bottom end of the prepared reinforcement cage (3) and a foundation beam (1) together;

step two, building two side walls, namely building the two sides of the steel reinforcement cage (3) through bricks (2) to form the two side walls, wherein the joints of the left and right side walls and the constructional column steel reinforcement cage are built in a staggered layer;

building a constructional column U-shaped plate, building the U-shaped plate (4) at the front side and the rear side of a constructional column steel reinforcement cage, building a layer of U-shaped plate (4) after each layer of bricks (2) is built, and connecting two ends of the U-shaped plate (4) with the wall bodies at the left side and the right side respectively;

pouring constructional column concrete, pouring concrete into a cavity formed between the U-shaped plate (4) and the wall, and pouring once after each three-layer brick (2) is built until the constructional column is poured;

fifthly, clamping and fixing the constructional column, and respectively fastening and clamping the front side and the rear side of the constructional column through a clamping mechanism after concrete is poured once;

the steel reinforcement cage (3) is tied with tie steel bars buried between each layer of bricks (2) of the wall bodies on the two sides, the steel reinforcement cage (3) is also tied with fixed steel bars (35) extending out of the U-shaped plate (4), and the tie steel bars and the fixed steel bars (35) are both positioned at the binding positions of stirrups (32) of the steel reinforcement cage (3);

clamping mechanism comprises depression bar (5) and clamp plate (6) attached at U template (4) surface that both ends are provided with the lantern ring, the lantern ring at depression bar (5) both ends is established respectively and is established on fixed reinforcing bar (35), be provided with many square timber (7) between depression bar (5) and clamp plate (6).

2. The formwork-free construction method of a constructional column as claimed in claim 1, wherein: the distance between every two stirrups (32) tied on the reinforcement cage (3) is the sum of the thickness of the bricks (2) and the thickness of concrete poured between the two layers of bricks (2).

3. The formwork-free construction method of a constructional column as claimed in claim 2, wherein: the steel bar consists of a steel bar A (33) and a steel bar B (34) which are arranged in staggered layers, the two ends of the steel bar A (33) are bent inwards, and the two ends of the steel bar B (34) are bent downwards.

4. The formwork-free construction method of a constructional column as claimed in claim 1, wherein: the U-shaped plate (4) is prepared by preprocessing according to the distance between the wall bodies on the two sides of the constructional column during construction and is provided with two specifications of a long plate and a short plate.

5. The formwork-free construction method of a constructional column as claimed in claim 1, wherein: the fixing steel bars (35) are arranged on the steel reinforcement cage (3) at intervals, two stirrups (32) are arranged at intervals, and the fixing steel bars (35) stretch out of two ends of the wall body and are bent after being sleeved with the pressing rods (5).

6. The formwork-free construction method of a constructional column as claimed in claim 1, wherein: the pressing plate (6) can be made of building waste plates, the square timber (7) can be made of battens or wood blocks, and the pressing rod (5) can be taken down after the two ends of the fixed reinforcing steel bars (35) extending out of the outer side of the wall body are cut off.

Technical Field

The invention relates to a constructional column construction method, in particular to a constructional column formwork-free construction method, and belongs to the technical field of building construction.

Background

The constructional column is a space structure and has the functions of enhancing the integrity and stability of the building and preventing the house from collapsing. The construction method is characterized in that the construction positions of the construction method are arranged at four corners of an outer wall, joints of staggered horizontal walls and outer longitudinal walls, two sides of a larger opening and the like, reinforced concrete constructional columns are further arranged in the wall body of the multi-layer brick-concrete structure building and are connected with ring beams of each layer, so that the multi-layer brick-concrete structure building can resist bending and shearing. The traditional construction method has the advantages that the whole construction process is complex, difficult to manage, multiple in quality hidden danger, large in consumption of artificial materials and the like. Especially for the projects with tight construction period and heavy tasks, the process invisibly increases a lot of construction cost.

For example, application No. 201810525045.9 discloses a constructional column formwork-free construction method, which discloses a zigzag racking built between two side walls and at the joint of the constructional column, and discloses a constructional column reinforcement cage arranged between the two side walls, but the reinforcement cage is not fixed before concrete pouring, so the reinforcement cage is easy to incline, further the stress of the poured constructional column is unbalanced, further certain potential safety hazard can exist, in addition, the construction method is further disclosed to be provided with a clamping mechanism, but the clamping mechanism is complex in use, building materials cannot be utilized, and construction cost is increased.

Disclosure of Invention

The invention aims to provide a construction method for a constructional column without a formwork in order to solve the problems.

The invention realizes the purpose through the following technical scheme: a construction method of a constructional column without formwork support comprises the following steps

Binding a constructional column reinforcement cage, binding four vertical reinforcements and a plurality of stirrups together through binding wires to form the reinforcement cage, and pouring the bottom end of the prepared reinforcement cage and a foundation beam together;

step two, building two side walls, namely building the two sides of the steel reinforcement cage through bricks to form the two side walls, wherein the joints of the left and right side walls and the constructional column steel reinforcement cage are built in a staggered layer;

building a constructional column U-shaped plate, building the U-shaped plate at the front side and the rear side of a constructional column steel reinforcement cage, building a layer of U-shaped plate after each layer of bricks is built, and connecting two ends of the U-shaped plate with the wall bodies at the left side and the right side respectively;

pouring constructional column concrete, pouring concrete into a cavity formed between the U-shaped plate and the wall body, and pouring once after each three layers of bricks are built until the constructional column is poured;

fifthly, clamping and fixing the constructional column, and respectively fastening and clamping the front side and the rear side of the constructional column through a clamping mechanism after concrete is poured once;

the steel reinforcement cage is bound with tie bars embedded between every two layers of bricks of the wall bodies at two sides, fixed steel bars extending out of the U-shaped plate are also bound on the steel reinforcement cage, and the tie bars and the fixed steel bars are both positioned at the stirrup binding positions of the steel reinforcement cage;

the clamping mechanism is composed of a pressing rod with lantern rings arranged at two ends and a pressing plate attached to the outer surface of the U-shaped plate, the lantern rings at two ends of the pressing rod are respectively sleeved on the fixed steel bars, and a plurality of square timbers are arranged between the pressing rod and the pressing plate.

As a still further scheme of the invention: the distance between every two stirrups tied up on the reinforcement cage is the sum of the thickness of bricks and the thickness of concrete poured between two layers of bricks.

As a still further scheme of the invention: the steel bar comprises steel bar A and steel bar B that the staggered floor set up, just steel bar A's both ends are inside buckling, steel bar B's both ends are down buckling.

As a still further scheme of the invention: the U-shaped plate is prepared by preprocessing according to the distance between the wall bodies on the two sides of the constructional column during construction and is provided with two specifications of a long plate and a short plate.

As a still further scheme of the invention: the fixed reinforcing steel bar is provided with a set of at every two stirrups of interval on the steel reinforcement cage, and just the fixed reinforcing steel bar is buckled after stretching out the both ends cover of wall body and establishing the depression bar.

As a still further scheme of the invention: building waste plates can be selected for use by the pressing plate, battens or wood blocks can be selected for use by the square timber, and the pressing rod can be taken down after the fixed reinforcing steel bars extend out of two ends of the outer side of the wall body and are cut off.

The invention has the beneficial effects that:

1. the steel reinforcement cage is provided with the tie steel bars, so that the bending parts of the tie steel bars B are clamped in the gaps among the layers of bricks, the steel reinforcement cage is preliminarily and fixedly connected with the two layers of wall bodies before pouring, and the steel reinforcement cage can be prevented from inclining;

2. the U-shaped plates can be arranged at the reserved staggered gaps between the wall bodies on the two sides, so that the constructional column reinforcement cage is wrapped and directly built on the wall bodies, and the constructional column does not need to be subjected to formwork erection and pouring;

3. be provided with clamping mechanism, can support the clamp plate and exert pressure to the U template, and then prevent that the constructional column concrete that pours from collapsing, and the material that constitutes clamping mechanism is convenient for acquire, also can used repeatedly simultaneously, reduces construction cost.

Drawings

FIG. 1 is a schematic view of a construction structure of a reinforcement cage according to the present invention;

FIG. 2 is a schematic view of a U-shaped plate construction structure of the present invention;

FIG. 3 is a schematic view of the reinforcement cage of the present invention;

fig. 4 is a schematic structural view of the clamping mechanism of the present invention.

In the figure: 1. foundation beam, 2, fragment of brick, 3, steel reinforcement cage, 31, perpendicular muscle, 32, stirrup, 33, tie bar A, 34, tie bar B, 35, fixed reinforcing bar, 4, U template, 5, depression bar, 6, clamp plate and 7, square timber.

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.

Example one

Referring to fig. 1 to 4, a construction method of a structural column without formwork includes the following steps

Step one, binding a constructional column reinforcement cage, binding four vertical reinforcements 31 and a plurality of stirrups 32 together through binding wires to form a reinforcement cage 3, and pouring the bottom end of the prepared reinforcement cage 3 and a foundation beam 1 together;

step two, building two side walls, namely building the two sides of the steel reinforcement cage 3 through bricks 2 to form the two side walls, wherein the joints of the left and right side walls and the constructional column steel reinforcement cage are built in a staggered layer shape;

building a constructional column U-shaped plate, building the U-shaped plate 4 at the front side and the rear side of a constructional column steel reinforcement cage, building a layer of U-shaped plate 4 after each layer of bricks 2 is built, and connecting two ends of the U-shaped plate 4 with the wall bodies at the left side and the right side respectively;

pouring constructional column concrete, pouring concrete into a cavity formed between the U-shaped plate 4 and the wall, and pouring once after each three-layer brick 2 is built until the constructional column is poured;

fifthly, clamping and fixing the constructional column, and respectively fastening and clamping the front side and the rear side of the constructional column through a clamping mechanism after concrete is poured once;

tied up the drawknot reinforcing bar of burying between every layer of fragment of brick 2 of both sides wall body underground on steel reinforcement cage 3, still tied up the fixed reinforcement 35 that stretches out the U template 4 outside on steel reinforcement cage 3, just drawknot reinforcing bar and fixed reinforcement 35 all are located the stirrup 32 binding department of steel reinforcement cage 3.

In the embodiment of the invention, the distance between every two stirrups 32 tied on the reinforcement cage 3 is the sum of the thickness of the bricks 2 and the thickness of the concrete poured between the two layers of bricks 2, so that the tie bars tied on the reinforcement cage 3 can be respectively positioned between every two layers of bricks 2, and the bricks 2 can be conveniently built.

In the embodiment of the invention, the tie bars are composed of tie bars A33 and tie bars B34 which are arranged in staggered layers, two ends of the tie bar A33 are bent inwards, two ends of the tie bar B34 are bent downwards, and the bent parts of the tie bars B34 are clamped in the gaps between the layers of bricks 2, so that the reinforcement cage 3 is initially fixedly connected with two layers of walls before pouring, and the reinforcement cage 3 can be prevented from inclining.

In the embodiment of the invention, the U-shaped plate 4 is prepared by preprocessing according to the distance between the wall bodies on the two sides of the constructional column during construction, and is provided with the long plate and the short plate, so that the U-shaped plate can be rightly arranged at the staggered interval reserved between the wall bodies on the two sides to further form the package of the constructional column reinforcement cage, and can be directly laid on the wall bodies without formwork erection and pouring of the constructional column.

Example two

Referring to fig. 1 to 4, a construction method of a structural column without formwork includes the following steps

Step one, binding a constructional column reinforcement cage, binding four vertical reinforcements 31 and a plurality of stirrups 32 together through binding wires to form a reinforcement cage 3, and pouring the bottom end of the prepared reinforcement cage 3 and a foundation beam 1 together;

step two, building two side walls, namely building the two sides of the steel reinforcement cage 3 through bricks 2 to form the two side walls, wherein the joints of the left and right side walls and the constructional column steel reinforcement cage are built in a staggered layer shape;

building a constructional column U-shaped plate, building the U-shaped plate 4 at the front side and the rear side of a constructional column steel reinforcement cage, building a layer of U-shaped plate 4 after each layer of bricks 2 is built, and connecting two ends of the U-shaped plate 4 with the wall bodies at the left side and the right side respectively;

pouring constructional column concrete, pouring concrete into a cavity formed between the U-shaped plate 4 and the wall, and pouring once after each three-layer brick 2 is built until the constructional column is poured;

fifthly, clamping and fixing the constructional column, and respectively fastening and clamping the front side and the rear side of the constructional column through a clamping mechanism after concrete is poured once;

clamping mechanism comprises the depression bar 5 that both ends were provided with the lantern ring and attached 6 clamp plates of attached 4 surfaces of U template, the lantern ring at depression bar 5 both ends is established respectively on fixed steel bar 35, be provided with many square timbers 7 between depression bar 5 and the clamp plate 6.

In the embodiment of the invention, the fixed steel bars 35 are arranged on the steel reinforcement cage 3 at intervals of two stirrups 32, and the fixed steel bars 35 extend out of two ends of the wall body and are bent after being sleeved with the pressing rods 5, so that the pressing rods 5 are prevented from falling off, and further, when the square timber 7 is arranged, the pressing plates 6 can be abutted to apply pressure to the U-shaped plate 4, and further, the poured constructional column concrete is prevented from collapsing.

In the embodiment of the invention, the pressing plate 6 can be made of building waste plates, the square timber 7 can be made of battens or wood blocks, and the pressing rod 5 can be taken down after the two ends of the fixed reinforcing steel bars 35 extending out of the wall are cut off, so that the material forming the clamping mechanism is convenient to obtain, and can be reused, thereby reducing the construction cost.

The working principle is as follows: binding four vertical reinforcements 31 and a plurality of stirrups 32 together through binding wires to form a reinforcement cage 3, and pouring the bottom end of the prepared reinforcement cage 3 and the foundation beam 1 together; two sides of the steel reinforcement cage 3 are built through bricks 2 to form wall bodies on two sides, and the joints of the wall bodies on the left side and the right side and the steel reinforcement cage of the constructional column are built in a staggered layer; building U-shaped plates 4 at the front side and the rear side of the constructional column steel reinforcement cage, building a layer of U-shaped plate 4 after each layer of bricks 2 is built, and connecting two ends of the U-shaped plate 4 with the wall bodies at the left side and the right side respectively; pouring concrete into a cavity formed between the U-shaped plate 4 and the wall body, and pouring once after each three-layer brick 2 is built until the constructional column is poured; after concrete is poured once, the front side and the rear side of the constructional column are fastened and clamped through the clamping mechanisms respectively, the fixed reinforcing steel bars 35 stretch out of the two end sleeves of the wall body and are bent after the pressing rods 5 are arranged, the pressing rods 5 are prevented from falling off, and then when the square timber 7 is arranged, the pressing plates 6 can be abutted to apply pressure to the U-shaped plates 4, so that the poured constructional column concrete is prevented from collapsing.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention 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.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.