Safety and reliability on steel-concrete joint part of hybrid cable-stayed bridge

J. He; Y. Q. Liu; A. R. Chen; B. Z. Pei; T. Yoda

Safety and reliability on steel-concrete joint part of hybrid cable-stayed bridge

J. He, Y. Q. Liu^*, A. R. Chen, B. Z. Pei, T. Yoda

^*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

The innovative concept of using steel girders as main spans and concrete girders as side spans has been applied and developed world-widely in continuous girder bridges, cable-stayed bridges, and suspension bridges. Jointing two different kinds of girders at their appropriate places in a reasonable way will greatly improve the performance of bridges and will easily realize long-span bridges. The new connection structure with prefabricated shear keys for a cable-stayed bridge was adopted and introduced. The model test with the scale of 1:2 for the joint part of the hybrid girder was carried out on site to investigate the safety and reliability performance. In the experiments, distributions of normal stresses, crack resistance ability, slip between concrete and steel were carefully measured to investigate the mechanical performance, force transmission, stiffness matching of the joint part. The findings from the tests were considered to be of special significance to the design of the bridge.

Original language	English
Title of host publication	ICASS '09/IJSSD - Proceedings of Sixth International Conference on Advances in Steel Structures and Progress in Structural Stability and Dynamics
Pages	331-338
Number of pages	8
Publication status	Published - 2009
Event	6th International Conference on Advances in Steel Structures and Progress in Structural Stability and Dynamics, ICASS 2009 - Hong Kong Duration: 2009 Dec 16 → 2009 Dec 18

Other

Other	6th International Conference on Advances in Steel Structures and Progress in Structural Stability and Dynamics, ICASS 2009
City	Hong Kong
Period	09/12/16 → 09/12/18

Keywords

Hybrid cable-stayed bridge
Model test
PBL shear connector
Relative slip
Shear key
Steel-concrete connection
Stress distribution

ASJC Scopus subject areas

Civil and Structural Engineering
Building and Construction

Cite this

Safety and reliability on steel-concrete joint part of hybrid cable-stayed bridge. / He, J.; Liu, Y. Q.; Chen, A. R. et al.

ICASS '09/IJSSD - Proceedings of Sixth International Conference on Advances in Steel Structures and Progress in Structural Stability and Dynamics. 2009. p. 331-338.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

He, J, Liu, YQ, Chen, AR, Pei, BZ & Yoda, T 2009, Safety and reliability on steel-concrete joint part of hybrid cable-stayed bridge. in ICASS '09/IJSSD - Proceedings of Sixth International Conference on Advances in Steel Structures and Progress in Structural Stability and Dynamics. pp. 331-338, 6th International Conference on Advances in Steel Structures and Progress in Structural Stability and Dynamics, ICASS 2009, Hong Kong, 09/12/16.

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title = "Safety and reliability on steel-concrete joint part of hybrid cable-stayed bridge",

abstract = "The innovative concept of using steel girders as main spans and concrete girders as side spans has been applied and developed world-widely in continuous girder bridges, cable-stayed bridges, and suspension bridges. Jointing two different kinds of girders at their appropriate places in a reasonable way will greatly improve the performance of bridges and will easily realize long-span bridges. The new connection structure with prefabricated shear keys for a cable-stayed bridge was adopted and introduced. The model test with the scale of 1:2 for the joint part of the hybrid girder was carried out on site to investigate the safety and reliability performance. In the experiments, distributions of normal stresses, crack resistance ability, slip between concrete and steel were carefully measured to investigate the mechanical performance, force transmission, stiffness matching of the joint part. The findings from the tests were considered to be of special significance to the design of the bridge.",

keywords = "Hybrid cable-stayed bridge, Model test, PBL shear connector, Relative slip, Shear key, Steel-concrete connection, Stress distribution",

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AU - He, J.

AU - Liu, Y. Q.

AU - Chen, A. R.

AU - Pei, B. Z.

AU - Yoda, T.

PY - 2009

Y1 - 2009

N2 - The innovative concept of using steel girders as main spans and concrete girders as side spans has been applied and developed world-widely in continuous girder bridges, cable-stayed bridges, and suspension bridges. Jointing two different kinds of girders at their appropriate places in a reasonable way will greatly improve the performance of bridges and will easily realize long-span bridges. The new connection structure with prefabricated shear keys for a cable-stayed bridge was adopted and introduced. The model test with the scale of 1:2 for the joint part of the hybrid girder was carried out on site to investigate the safety and reliability performance. In the experiments, distributions of normal stresses, crack resistance ability, slip between concrete and steel were carefully measured to investigate the mechanical performance, force transmission, stiffness matching of the joint part. The findings from the tests were considered to be of special significance to the design of the bridge.

AB - The innovative concept of using steel girders as main spans and concrete girders as side spans has been applied and developed world-widely in continuous girder bridges, cable-stayed bridges, and suspension bridges. Jointing two different kinds of girders at their appropriate places in a reasonable way will greatly improve the performance of bridges and will easily realize long-span bridges. The new connection structure with prefabricated shear keys for a cable-stayed bridge was adopted and introduced. The model test with the scale of 1:2 for the joint part of the hybrid girder was carried out on site to investigate the safety and reliability performance. In the experiments, distributions of normal stresses, crack resistance ability, slip between concrete and steel were carefully measured to investigate the mechanical performance, force transmission, stiffness matching of the joint part. The findings from the tests were considered to be of special significance to the design of the bridge.

KW - Hybrid cable-stayed bridge

KW - Model test

KW - PBL shear connector

KW - Relative slip

KW - Shear key

KW - Steel-concrete connection

KW - Stress distribution

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BT - ICASS '09/IJSSD - Proceedings of Sixth International Conference on Advances in Steel Structures and Progress in Structural Stability and Dynamics

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ER -

Safety and reliability on steel-concrete joint part of hybrid cable-stayed bridge

Abstract

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Keywords

ASJC Scopus subject areas

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