CN201649303U

CN201649303U - Shear connector

Info

Publication number: CN201649303U
Application number: CN2010201051328U
Authority: CN
Inventors: 周东华; 宾恩富; 刘秋华; 王鹏
Original assignee: Kunming University of Science and Technology
Current assignee: Kunming University of Science and Technology
Priority date: 2010-02-01
Filing date: 2010-02-01
Publication date: 2010-11-24
Anticipated expiration: 2020-02-01

Abstract

The utility model provides a shear connector, which comprises cotters arranged on a combined beam. The shear connector is characterized in that a pressure-bearing side of each cotter is provided with a plate. The original single cotters can be integrally connected with a steel plate or angle steel or channel steel so as to enlarge pressure-bearing area of the cotters, shear connecting strength of the cotters can be greatly increased on conditions of not adding the amount of the cotters, and higher shearing connecting strength can be obtained by fewer cotters, thereby not only saving materials, but also strengthening combination effect and strength of the combined beam.

Description

A kind of shear connector

Technical field

The utility model relates to a kind of connector, and particularly a kind of shear connector belongs to construction engineering technical field.

Background technology

Shear connector is the critical component of compound beam, promptly earlier these shear connectors is weldingly fixed on the girder steel, waters armored concrete slab afterwards more thereon.At present a large amount of extensively shear connectors of utilization are to take the lead peg, also can see the utilization as shear connector of some edge-on channel-section steels or bent-up bar once in a while, and these shear connectors all have a common weakness, and promptly the bearing capacity of single shear connector is low.For realizing that complete shearing connects, need a lot of shear connector of quantity, situation was more outstanding when especially peg was taken the lead in use, sometimes also can the factor amount huge and all pegs all can't be arranged in the member, can only form the part shearing to connect, its result will cause the compound action of compound beam to reduce, bearing capacity and rigidity reduce, in addition, because of the laying difficulty that too much also can increase reinforcing bar in the concrete slab of shear connector quantity, make troubles to construction.

The low main cause of shear connector bearing capacity commonly used at present is: bending rigidity is little and pressure-bearing surface is little, especially take the lead peg, its in loading process because flexural deformation, effectively pressure-bearing surface only is the very little part of its root, cause root the stress concentration phenomenon of height to occur, the concrete of its pressurized also will produce splitting crack and crushed.Therefore, be necessary the mechanical characteristic of existing peg is improved.

Summary of the invention

For overcoming that the bending rigidity that existing shear connector exists is low, pressure-bearing surface is little and the bearing capacity deficiency on stressed such as little, the utility model provides a kind of shear connector, and this shear connector has bigger pressure-bearing surface, thereby can obtain than high-bearing capacity.

The utility model is finished by following technical proposal: a kind of shear connector, comprise the peg of being located on the compound beam, a side that it is characterized in that the peg pressure-bearing is provided with plate, so that strengthen the bearing capacity of peg, make plate and peg stressed jointly, thereby form shear connector, to obtain higher capacity with big pressure-bearing surface.

Described plate is upright rectangular steel plates, perhaps the angle steel of horizontal positioned or channel-section steel, perhaps other profile iron.

Described plate is arranged at the side of peg towards span centre, and promptly peg is subjected to a side of concrete extruding in loading process.

The utlity model has following advantage and effect: adopt such scheme, can make original single peg is that steel plate or angle steel or channel-section steel are connected to form integral body in conjunction with the plate that increases, increase the bearing area of peg, can be under the condition that does not increase the peg number, improve the shearing bonding strength of peg significantly, making only needs less peg just can obtain higher shearing bonding strength, not only saves material, also can strengthen the compound action and the intensity of compound beam.

Description of drawings

Fig. 1 is the structure chart of upright rectangular steel plates for the plate of the utility model;

Fig. 2 is the lateral view of Fig. 1;

Fig. 3 is the peg on the steel member and the layout of plate;

Fig. 4 is the structure chart of angle steel for the plate of the utility model;

Fig. 5 is the lateral view of Fig. 4;

Fig. 6 is the peg on the steel member and the layout of angle steel;

Fig. 7 is the structure chart of channel-section steel for the plate of the utility model;

Fig. 8 is the lateral view of Fig. 7;

Fig. 9 is the peg on the steel member and the layout of channel-section steel.

The specific embodiment

Below in conjunction with accompanying drawing the utility model is described further, is not limited thereto but hold within the utility model.

The shear connector that the utility model provides comprises the peg 1 on the section steel beam 3 of being located at compound beam, and peg 1 one sides are provided with plate 2, and plate 2 is upright rectangular steel plates, uses iron wire 4 colligations on peg 1, as Fig. 1, Fig. 2 and Fig. 3.

The shear connector that the utility model provides comprises the peg 1 on the section steel beam 3 of being located at compound beam, and peg 1 one sides are provided with plate 5, and plate 5 is the angle steel of horizontal positioned, uses iron wire 4 colligations on peg 1, as Fig. 4, Fig. 5, Fig. 6.

The shear connector that the utility model provides comprises the peg 1 on the section steel beam 3 of being located at compound beam, and peg 1 one sides are provided with plate 6, and plate 6 is the channel-section steel of horizontal positioned, uses iron wire 4 colligations on peg 1, as Fig. 7, Fig. 8, Fig. 9.

Claims

1. a shear connector comprises the peg of being located on the compound beam, it is characterized in that a side of peg pressure-bearing is provided with plate.

2. a kind of shear connector according to claim 1 is characterized in that described plate is upright rectangular steel plates, perhaps the angle steel of horizontal positioned or channel-section steel.

3. a kind of shear connector according to claim 1 is characterized in that described plate is arranged at the side of peg towards span centre, and promptly peg is subjected to a side of concrete extruding in loading process.