CN216428794U - Assembled multi-cavity composite concrete frame column - Google Patents

Assembled multi-cavity composite concrete frame column Download PDF

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Publication number
CN216428794U
CN216428794U CN202123011647.9U CN202123011647U CN216428794U CN 216428794 U CN216428794 U CN 216428794U CN 202123011647 U CN202123011647 U CN 202123011647U CN 216428794 U CN216428794 U CN 216428794U
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China
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prefabricated
concrete
cast
frame column
place
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CN202123011647.9U
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Chinese (zh)
Inventor
粟俊富
董浩
樊志标
苏博
陈熙
潘家威
李颖
王鹏
王宇涛
华建诚
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China Railway No 5 Engineering Group Co Ltd
Construction Engineering Co Ltd of China Railway No 5 Engineering Group Co Ltd
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China Railway No 5 Engineering Group Co Ltd
Construction Engineering Co Ltd of China Railway No 5 Engineering Group Co Ltd
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Abstract

The utility model discloses an assembled multicavity composite concrete frame post, include: the prefabricated frame column comprises a prefabricated reinforcement cage and prefabricated concrete, wherein the prefabricated reinforcement cage comprises rectangular spiral hoops, prefabricated longitudinal reinforcements and constructional lacing wires, at least one pair of prefabricated longitudinal reinforcements is fixedly arranged on the opposite inner sides of the rectangular spiral hoops, each pair of prefabricated longitudinal reinforcements is connected at intervals by a plurality of constructional lacing wires, and the prefabricated concrete is poured on the prefabricated reinforcement cage; at least one cast-in-place through long cavity is reserved and formed inside the prefabricated frame column body during pouring. The utility model discloses a prefabricated hoist and mount and cast-in-place mode that combines together, a plurality of cast-in-place logical long cavity have been reserved as the cast-in-place part of structure to the frame post, have alleviateed the frame post dead weight when satisfying the structure atress, have reduced the frame post installation construction degree of difficulty, adopt multicavity structural style simultaneously, and the cast-in-place position can avoid the horizontal structure lacing wire in prefabricated position, improves prefabricated part formwork efficiency and pours the quality.

Description

Assembled multi-cavity composite concrete frame column
Technical Field
The utility model relates to an assembled multicavity composite concrete frame post belongs to prefabricated frame post technical field.
Background
In recent years, the assembly type structure is greatly developed, and the existing prefabricated frame column construction generally adopts the mode of hoisting integral prefabricated concrete or combining prefabrication and cast-in-place. The integral precast concrete frame column structure is self-heavy, the difficulty is high during hoisting construction, and the anchoring part is difficult to bear the self weight of the frame column, so that the lower reinforcing steel bar is easy to damage. The existing construction mode combining prefabrication and cast-in-place is that a through long cavity is usually arranged in the middle of a frame column, and a transverse tie bar is generally arranged in the frame column, so that the problems of high formwork supporting difficulty and insufficient rigidity of the frame column during pouring of the prefabricated part are easily caused.
Meanwhile, the common connection mode of all prefabricated parts in China is steel bar sleeve grouting connection and spiral stirrup restraint grout anchor lap joint at present, during construction, a prefabricated beam and a laminated floor slab are firstly positioned and installed, steel bars are arranged on the upper part of the beam, the surface of the floor slab and a beam column node area, and then concrete is poured in situ. After the post-cast concrete reaches the designed strength, the upper column is installed, and the upper column longitudinal bar and the lower column longitudinal bar are connected together through sleeve grouting or slurry anchor grouting, so that the grouting quality cannot be guaranteed.
SUMMERY OF THE UTILITY MODEL
Based on the foregoing, the utility model provides a prefabricated construction dead weight is light, and easy formwork is pour and is satisfied the assembled multicavity composite concrete frame post of structure atress to overcome prior art not enough.
The technical scheme of the utility model is that: an assembled multi-cavity composite concrete frame column comprising:
the prefabricated frame column comprises a prefabricated reinforcement cage and prefabricated concrete, wherein the prefabricated reinforcement cage comprises rectangular spiral hoops, prefabricated longitudinal reinforcements and constructional lacing bars, at least one pair of the prefabricated longitudinal reinforcements is fixedly arranged on the opposite inner sides of the rectangular spiral hoops, each pair of the prefabricated longitudinal reinforcements is connected with each other at intervals by a plurality of the constructional lacing bars, and the prefabricated concrete is poured on the prefabricated reinforcement cage;
and at least one cast-in-situ through long cavity is reserved and formed inside the prefabricated frame column body during pouring.
In one example, two pairs of the prefabricated longitudinal steel bars are fixedly arranged on two opposite inner sides of the rectangular spiral hoop respectively, and two rows of the construction tie bars connected between the two pairs of the prefabricated longitudinal steel bars are arranged in a crossed manner to form the multi-cavity reinforced concrete restraint framework.
In one example, the number of the cast-in-place through long cavities is 4, and the cast-in-place through long cavities are respectively formed in 4 isolation frames formed by two rows of the construction lacing wires and the rectangular spiral hoops.
In one example, two ends of the prefabricated reinforcement cage extend out of the corresponding prefabricated concrete.
In one example, the precast concrete includes general concrete, fine aggregate concrete, and fiber reinforced concrete.
In one example, the precast concrete satisfies a protective layer thickness of the precast reinforcement cage.
The utility model has the advantages that: the utility model discloses a prefabricated hoist and mount and cast-in-place mode that combines together, a plurality of cast-in-situ lead to long cavity and as the cast-in-situ part of structure, alleviateed the frame post dead weight when satisfying the structure atress, reduced the frame post construction and installation degree of difficulty, adopt multicavity structural style simultaneously, the cast-in-situ position can avoid prefabricated position horizontal construction lacing wire, can improve prefabricated part formwork efficiency and pour the quality. The cast-in-place part adopts a mode of directly pouring from the cast-in-place through long cavity, so that vibration is easy to carry out, and the compactness of concrete is ensured.
Drawings
FIG. 1 is a schematic plan view of the prefabricated part of the present invention;
FIG. 2 is a schematic plan view of the cast-in-place portion of the present invention;
FIG. 3 is a schematic view of the cast-in-place through cavity of the present invention;
description of the reference numerals
1, prefabricating longitudinal steel bars;
2, a rectangular spiral hoop;
3, constructing a lacing wire;
4, prefabricating concrete;
5, casting a through long cavity in situ;
6, casting longitudinal steel bars in situ;
7 cast-in-place concrete.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention can be embodied in many different forms other than those specifically described herein, and it will be apparent to those skilled in the art that similar modifications can be made without departing from the spirit and scope of the invention, and it is therefore not to be limited to the specific embodiments disclosed below.
Referring to fig. 1 to 3, the present embodiment relates to an assembled multi-cavity composite concrete frame column, which includes a prefabricated frame column body and a cast-in-place through-long cavity 5.
The prefabricated frame column body comprises a prefabricated reinforcement framework and prefabricated concrete 4, wherein the prefabricated concrete 4 is poured on the prefabricated reinforcement framework to form a multi-cavity composite concrete restraint framework. The prefabricated steel reinforcement framework comprises a rectangular spiral hoop 2, prefabricated longitudinal steel reinforcements 1 and construction tie bars 3, at least one pair of prefabricated longitudinal steel reinforcements 1 is fixedly arranged on the opposite inner sides of the rectangular spiral hoop 2, and each pair of prefabricated longitudinal steel reinforcements 1 are connected at intervals by a plurality of construction tie bars 3. In this embodiment, the prefabricated longitudinal steel bar 1 can be banded or welded on the inner side of the rectangular spiral hoop 2, and the two ends of the structural tie bar 3 can be hooked on the prefabricated longitudinal steel bar 1.
And at least one cast-in-situ through long cavity 5 is reserved and formed inside the prefabricated frame column body during casting to form a cast-in-situ part of the frame column. The concrete frame column is transported to a construction site for hoisting after the construction site is manufactured, cast-in-situ longitudinal steel bars 6 are manufactured on site after the concrete frame column is installed, the cast-in-situ longitudinal steel bars 6 are inserted into the cast-in-situ through long cavity 5 after the concrete frame column is manufactured, the cast-in-situ longitudinal steel bars are welded and anchored with the underlying structure, and finally concrete 7 is cast in situ in the cast-in-situ through long cavity 5. The cast-in-place longitudinal steel bar 6 and the prefabricated longitudinal steel bar 1 form a structural stress part together. In this embodiment, the size of the cast-in-place through-length cavity 5 is determined according to the actual reinforcement arrangement condition of the longitudinal stressed steel bar, and the extension lengths of the two ends of the cast-in-place longitudinal steel bar 6 should meet the anchoring lengths of the upper layer and the lower layer. The cast-in-situ longitudinal steel bars 6 can be replaced by section steel members.
Furthermore, two pairs of prefabricated longitudinal steel bars 1 are respectively and fixedly arranged on two opposite inner sides of the rectangular spiral hoop 2, and two rows of structural tie bars 3 connected between the two pairs of prefabricated longitudinal steel bars 1 are arranged in a crossing manner to form the multi-cavity reinforced concrete restraint framework. In this embodiment, the two rows of structural lacing wires 3 are arranged in a cross shape.
Furthermore, 4 cast-in-place through long cavities 5 are formed in 4 isolation frames formed by the two rows of structural tie bars 3 and the rectangular spiral hoops 2 respectively, and the axial direction of the cast-in-place through long cavities 5 is the same as that of the frame columns.
Furthermore, the two ends of the prefabricated reinforcement cage extend out of the corresponding prefabricated concrete 4, and the extending length of the prefabricated reinforcement cage meets the anchoring length of the component and the upper-layer structure and the lower-layer structure.
Further, the thickness of the protective layer of the prefabricated reinforcement framework is met when the prefabricated concrete 4 is poured, and the thickness of the protective layer is determined according to building specifications.
Furthermore, the precast concrete 4 can be made of common concrete, fine aggregate concrete or fiber reinforced concrete and other novel composite concrete materials to form a composite concrete restraint framework.
The utility model discloses a prefabricated hoist and mount and cast-in-place mode that combines together, a plurality of cast-in-place logical long cavity 5 have been reserved as the cast-in-place part of structure to the frame post, have alleviateed the frame post dead weight when satisfying the structure atress, have reduced the frame post installation construction degree of difficulty, adopt multicavity structural style simultaneously, and the cast-in-place position can avoid prefabricated position horizontal construction lacing wire 3, can improve prefabricated part formwork efficiency and pour the quality. The cast-in-place part adopts a mode of directly pouring from the cast-in-place through long cavity 5, so that vibration is easy to carry out, and the compactness of concrete is ensured.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (6)

1. An assembled multi-cavity composite concrete frame column, comprising:
the prefabricated frame column body comprises a prefabricated reinforcement cage and prefabricated concrete (4), the prefabricated reinforcement cage comprises rectangular spiral hoops (2), prefabricated longitudinal reinforcements (1) and constructional lacing wires (3), at least one pair of the prefabricated longitudinal reinforcements (1) is fixedly arranged on the opposite inner sides of the rectangular spiral hoops (2), each pair of the prefabricated longitudinal reinforcements (1) are connected at intervals through a plurality of the constructional lacing wires (3), and the prefabricated concrete (4) is poured on the prefabricated reinforcement cage;
and at least one cast-in-situ through long cavity (5) is reserved and formed inside the prefabricated frame column body during pouring.
2. The assembled multi-cavity composite concrete frame column according to claim 1, wherein the two pairs of the prefabricated longitudinal steel bars (1) are fixedly arranged on the two inner sides of the rectangular spiral hoop (2), and two rows of the construction tie bars (3) connected between the two pairs of the prefabricated longitudinal steel bars (1) are arranged in a crossing manner to form a multi-cavity reinforced concrete restraint frame.
3. The assembled multi-cavity composite concrete frame column according to claim 2, wherein the number of the cast-in-place through cavities (5) is 4, and the cavities are respectively formed in 4 isolation frames formed by two rows of the construction tie bars (3) and the rectangular spiral hoops (2).
4. An assembled multi-cavity composite concrete frame column according to claim 1, wherein both ends of the prefabricated reinforcement cage extend out of the corresponding prefabricated concrete (4).
5. The fabricated multi-cavity composite concrete frame column according to claim 1, wherein the precast concrete (4) includes general concrete, fine stone concrete, and fiber reinforced concrete.
6. An assembled multi-cavity composite concrete frame column according to claim 1, characterized in that the precast concrete (4) satisfies the protective layer thickness of the precast reinforcing cage.
CN202123011647.9U 2021-12-02 2021-12-02 Assembled multi-cavity composite concrete frame column Active CN216428794U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202123011647.9U CN216428794U (en) 2021-12-02 2021-12-02 Assembled multi-cavity composite concrete frame column

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202123011647.9U CN216428794U (en) 2021-12-02 2021-12-02 Assembled multi-cavity composite concrete frame column

Publications (1)

Publication Number Publication Date
CN216428794U true CN216428794U (en) 2022-05-03

Family

ID=81341469

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202123011647.9U Active CN216428794U (en) 2021-12-02 2021-12-02 Assembled multi-cavity composite concrete frame column

Country Status (1)

Country Link
CN (1) CN216428794U (en)

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