CN215858277U

CN215858277U - Concrete member and steel member connection structure

Info

Publication number: CN215858277U
Application number: CN202121263139.7U
Authority: CN
Inventors: 万月荣; 许晓梁; 宾志强; 洪文明
Original assignee: Architecture Design and Research Institute of Tongji University Group Co Ltd
Current assignee: Architecture Design and Research Institute of Tongji University Group Co Ltd
Priority date: 2021-06-07
Filing date: 2021-06-07
Publication date: 2022-02-18
Anticipated expiration: 2031-06-07

Abstract

The utility model relates to a connecting structure of a concrete member and a steel member, which comprises the concrete member (100), the steel member (200) and a converting member (300), wherein the converting member (300) is arranged on the concrete member (100) and positioned at a connecting node position with the steel member (200), and the steel member (200) is connected with the converting member (300) to realize node conversion. Compared with the prior art, the utility model realizes the connection of the concrete member (100) and the steel member (200) through the conversion part (300), and the connection node has the advantages of simple internal structure, low construction difficulty, economy, reliability and the like.

Description

Concrete member and steel member connection structure

Technical Field

The utility model relates to the technical field of structural engineering, in particular to a connecting structure of a concrete member and a steel member.

Background

Steel construction, concrete structure are two kind most common structures in modern building structure, but along with building function demand increases, single structure system is difficult to satisfy the demand of building, adopts the mixed structure of the two to increase gradually simultaneously. In structural design, the condition that the girder steel is connected with reinforced concrete column often appears. For satisfying node structure needs, often need set up the reinforcing bar in reinforced concrete column certain limit inside, the node junction sets up steel member such as bracket, and the steel bracket generally can break inside muscle and the stirrup of indulging of reinforced concrete column, need use steel bar muffjoint, or the steel sheet dodges measures such as punching, and here node is very complicated, need adopt self-compaction concrete, and the construction degree of difficulty is higher, also economic inadequately.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a connection structure of a concrete member and a steel member to overcome the above-mentioned drawbacks of the prior art.

The purpose of the utility model can be realized by the following technical scheme:

a concrete member and steel member connecting structure comprises a concrete member, a steel member and a converting member, wherein the converting member is arranged on the concrete member and located at a connecting node position of the converting member and the steel member, and the steel member is connected with the converting member to realize node conversion.

Preferably, the conversion part comprises a hoop, a connecting end, a force transmission part and a connector, wherein the hoop is sleeved outside the position of the connecting node on the concrete member, one end of the connecting end is fixed on the outer wall of the hoop, the other end of the connecting end is used for being connected with the steel member, the force transmission part is fixed on the inner wall of the hoop and embedded inside the concrete member, the connector is arranged on the inner walls of the two end parts of the hoop, and the connector is used for connecting longitudinal ribs in the concrete member.

Preferably, the conversion member further comprises a reinforcing member fixed to the inner wall of the ferrule and located in the concrete member.

Preferably, the hoop is also used as a template at the position of the connecting node on the concrete member.

Preferably, the number of the connectors on the inner walls of the two end parts of the hoop is consistent with that of the longitudinal ribs in the concrete member, and the positions of the connectors are in one-to-one matching correspondence with the positions of the longitudinal ribs.

Preferably, the force transmission piece is arranged at the position corresponding to the connecting end.

Preferably, the force transmission piece comprises one or more of a stiffening plate, a steel plate strip and a steel bar.

Preferably, the reinforcing member comprises one or more of a combination of a stud and a stiffening plate.

Preferably, the connector comprises a sleeve of steel reinforcement.

Preferably, the concrete member includes any one of a reinforced concrete column, a reinforced concrete beam, a steel reinforced concrete column, and a steel reinforced concrete beam.

Compared with the prior art, the utility model has the following advantages:

(1) the concrete member and the steel member are connected in a node conversion way through the conversion piece, the construction steel rib is not arranged in the concrete member, the conversion piece is connected with the interior of the concrete member, any steel bar can not be arranged in the node range, the problem that the steel bar collides with the stiffening plate in the traditional method does not exist, the connection form is very simple, the force transmission path is clear, and the construction is convenient and easy.

(2) The conversion part for connecting the concrete member and the steel member realizes connection and force transmission by utilizing the force transmission part, the reinforcing part and the connector in the hoop, can realize multiple requirements of rigid connection and hinging of the node, and has simpler connection and convenient construction aiming at the condition of intersection connection of multi-directional steel members.

(3) The steel member can be connected to a reinforced concrete column, a reinforced concrete beam, a profile steel concrete column, a profile steel concrete beam, a square column, a column and a special-shaped column, and has very wide applicability.

(4) The hoop of the conversion piece is also used as a template at the position of the connecting node on the concrete member, can be integrally formed with the concrete member, and is convenient to construct.

Drawings

FIG. 1 is a schematic structural view of a vertical surface of a connecting structure of a concrete member and a steel member according to the present invention;

FIG. 2 is a cross-sectional view of the present invention at the location of the transition piece;

FIG. 3 is a cross-sectional structural view of the conversion member of the present invention;

FIG. 4 is a side view of the construction of the conversion member of the present invention;

FIG. 5 is a schematic longitudinal sectional view showing a connection structure of a concrete member and a steel member according to the present invention;

FIG. 6 is a cross-sectional structural view of the steel reinforced concrete structural member of the present invention;

FIG. 7 is a cross-sectional view of the present invention in connection with steel reinforced concrete;

in the figure, 100 is a concrete member, 110 is a longitudinal bar, 120 is a stirrup, 130 is a section steel, 200 is a steel member, 300 is a conversion member, 310 is a hoop, 320 is a connecting end, 330 is a force transmission member, 340 is a reinforcing member, and 350 is a connector.

Detailed Description

The utility model is described in detail below with reference to the figures and specific embodiments. Note that the following description of the embodiments is merely a substantial example, and the present invention is not intended to be limited to the application or the use thereof, and is not limited to the following embodiments.

In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integral to one another; 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.

As shown in FIG. 1, a concrete member and steel member connection structure includes a concrete member 100, a steel member 200 and a conversion member 300, wherein the conversion member 300 is disposed on the concrete member 100 at a connection node position with the steel member 200, and the steel member 200 is connected with the conversion member 300 to realize node conversion. The concrete member 100 includes any one of a reinforced concrete column, a reinforced concrete beam, a reinforced concrete column, and a reinforced concrete beam, and in the case of a concrete column, includes a stirrup 120 and a longitudinal bar 110. The steel member 200 may have a cross section in the shape of an i-section steel, a box, etc., and may be a steel beam, a brace, a stay, etc.

The conversion member 300 comprises a hoop 310, a connecting end 320, a force transmission member 330 and a connector 350, wherein the hoop 310 is sleeved outside the connecting node position on the concrete member 100, one end of the connecting end 320 is fixed on the outer wall of the hoop 310, the other end of the connecting end is used for being connected with the steel member 200, the force transmission member 330 is fixed on the inner wall of the hoop 310 and embedded inside the concrete member 100, the connector 350 is arranged on the inner walls of the two ends of the hoop 310, and the connector 350 is used for connecting the longitudinal ribs 110 in the concrete member 100. Wherein:

the outer dimension of the hoop 310 is consistent with the outer dimension of the concrete member 100, the wall thickness and the length are determined according to calculation, and the hoop 310 is also used as a template at the position of a connecting node on the concrete member 100.

The size and cross-sectional form of the connection end 320 are determined according to calculation and connection requirements. The force transmission member 330 is arranged at a position corresponding to the connecting end 320, the force transmission member 330 can transmit the internal force of the steel member 200, and the force transmission member 330 comprises one or a combination of a stiffening plate, a steel plate strip and a steel bar.

The conversion member 300 further comprises a reinforcing member 340, and the reinforcing member 340 is fixed on the inner wall of the ferrule 310 and is located in the concrete member 100. The number of the connectors 350 on the inner walls of the two end portions of the ferrule 310 is the same as the number of the longitudinal ribs 110 in the concrete member 100, the positions of the connectors 350 correspond to the positions of the longitudinal ribs 110 in a one-to-one matching manner, and the reinforcing member 340 includes one or a combination of a plurality of studs and stiffening plates.

Connector 350 comprises a sleeve of rebar.

Specifically, as shown in fig. 1, the steel member 200 is connected to the concrete member 100 through the conversion member 300, and the conversion member 300 is closely connected to the concrete member 100, and has substantially the same size, thereby achieving the aesthetic appearance of the building while satisfying the structural requirements of the node.

In one embodiment, the concrete member 100 is a reinforced concrete square column, as shown in fig. 2. However, the cross-sectional form of the concrete member 100 is not limited to a square column, but may be a column, an opposite-type column, or a beam member. The concrete member 100 includes longitudinal bars 110 and stirrups 120.

As shown in fig. 3 and 4, the main body of the converter 300 is a collar 310, the outer wall of the collar 310 has the same size as the outer size of the concrete member 100, and the wall thickness is designed to have a corresponding size according to the stress characteristics of the node. In the construction process, the hoop 310 is placed at the node, the hoop 310 is also used as a steel formwork of the concrete member 100, concrete is directly poured inside the hoop to form the concrete member 100, and the concrete member 100 and the hoop 310 are integrally formed to ensure the internal force transmission between the two. The hoop 310 has the function of restraining the concrete member 100, so the stirrups 120 inside the concrete member 100 are not required to be arranged within the range of the hoop 310, and the stress performance requirement of the node can also be met.

The outer surface of the ferrule 310 is provided with a coupling end 320, and the sectional form and size of the coupling end 320 may be changed according to the form of the steel member 200 to satisfy the coupling therebetween.

In one embodiment, the steel member 200 is an i-beam, the connection end 320 is provided as an i-shaped joint having a uniform cross-section, and the steel member 200 and the connection end 320 are connected by a high-strength bolt.

In one embodiment, the steel member 200 is a box-shaped steel beam, the connection end 320 is provided as a box-shaped joint having a uniform cross-section, and the steel member 200 and the connection end 320 are connected by a cross-sectional butt welding.

In one embodiment, the steel member 200 is a circular tube support, the connecting end 320 is configured as a connecting ear plate, and the steel member 200 and the connecting end 320 are connected by a pin.

The inner surface of the ferrule 310 is provided with a force-transmitting member 330, as shown in fig. 3 and 4. The force transmission piece 330 is arranged at a position corresponding to the connecting end 320, the steel member 200 transmits the internal force to the connecting end 320, and the connecting end 320 transmits the internal force to the whole concrete member 100 in a dispersing way through the hoop 310 and the force transmission piece 330, so that the force transmission path of the node is ensured to be definite. The force transfer members 330 are auxiliary force transfer members, and the number and the positions of the force transfer members can be determined according to the stress characteristics of the nodes and the steel member 200, and the force transfer members may not be arranged according to the requirements.

In one embodiment, the force-transmitting member 330 is a steel strip.

In one embodiment, the force-transmitting member 330 is a steel bar.

The inner surface of the ferrule 310 is provided with stiffeners 340, the number of which can be determined by node force calculations. The reinforcing member 340 is arranged on the inner wall of the hoop 310 before concrete is poured, so that the poured concrete member 100 is tightly attached to the reinforcing member 340, the internal force of the hoop 310 can be effectively transmitted to the concrete member 100, and the stress characteristic between the two is ensured.

In one embodiment, the reinforcement 340 is a peg.

In one embodiment, the stiffener 340 is a stiffener.

As shown in fig. 5, the connectors 350 are disposed on the inner surface of the collar 310, and the number and size of the connectors 350 are the same as the number of the longitudinal ribs 110 inside the concrete structure 100, and the connectors 350 are disposed on the upper and lower ends of the collar 310 and connected with the longitudinal ribs 110 inside the concrete structure 100. The internal force of the longitudinal ribs 110 at the two ends of the outer side of the node can be transmitted through the hoop 310, and the effective transmission of the internal force of the concrete member 100 is ensured under the condition that the longitudinal ribs 110 are not arranged in the range of the hoop 310.

In one embodiment, the concrete member 100 is a steel reinforced concrete column, as shown in FIG. 6. The concrete member 100 is provided with a structural steel 130 therein. As shown in fig. 7, the force-transmitting member 330 inside the conversion member 300 has one end connected to the inner wall of the collar 310 and the other end connected to the shape steel 130, so that the internal force of the steel member 200 can be transmitted to the concrete member 100 through the connection end 320, the collar 310 and the force-transmitting member 330 in sequence.

The above embodiments are merely examples and do not limit the scope of the present invention. These embodiments may be implemented in other various manners, and various omissions, substitutions, and changes may be made without departing from the technical spirit of the present invention.

Claims

1. A concrete member and steel member connecting structure is characterized by comprising a concrete member (100), a steel member (200) and a converting member (300), wherein the converting member (300) is arranged on the concrete member (100) and located at a connecting node position with the steel member (200), and the steel member (200) is connected with the converting member (300) to realize node conversion.

2. A concrete member and steel member connection structure according to claim 1, wherein said conversion member (300) comprises a hoop (310), a connection end (320), a force transmission member (330) and a connector (350), said hoop (310) is sleeved outside the connection node position on the concrete member (100), one end of said connection end (320) is fixed on the outer wall of said hoop (310), the other end is used for connecting with the steel member (200), said force transmission member (330) is fixed on the inner wall of said hoop (310) and embedded inside the concrete member (100), said connector (350) is arranged on the inner wall of the two end parts of said hoop (310), said connector (350) is used for connecting the longitudinal rib (110) in the concrete member (100).

3. A concrete member and steel member coupling structure according to claim 2, wherein said converting member (300) further comprises a reinforcing member (340), said reinforcing member (340) being fixed to the inner wall of said ferrule (310) and being located in said concrete member (100).

4. A concrete member and steel member connecting structure according to claim 2, wherein said collar (310) doubles as a form at the position of the connecting node on the concrete member (100).

5. A concrete member and steel member connecting structure according to claim 2, wherein the number of the connectors (350) on the inner walls of the two end portions of the hoop (310) is the same as the number of the longitudinal ribs (110) in the concrete member (100), and the positions of the connectors (350) are matched with the positions of the longitudinal ribs (110) one by one.

6. A concrete and steel member connection structure according to claim 2, wherein said force transfer member (330) is provided at a position corresponding to the connection end (320).

7. A concrete and steel member connection according to claim 2, wherein said force transfer member (330) comprises a combination of one or more of a stiffening plate, a steel strip, and a steel reinforcement.

8. A concrete and steel member connection structure according to claim 3, wherein said reinforcing member (340) comprises one or more of a combination of studs and stiffening plates.

9. A concrete and steel member connection structure according to claim 2, wherein said connector (350) comprises a sleeve of reinforcing steel.

10. A concrete member and steel member connection structure according to claim 1, wherein said concrete member (100) comprises any one of a reinforced concrete column, a reinforced concrete beam, a reinforced concrete column, and a reinforced concrete beam.