Experiments on the Mechanical Properties of Corrugated Rib Connector

SU Qing-tian, WANG Rui, WANG Wei

China Journal of Highway and Transport ›› 2012, Vol. 25 ›› Issue (2) : 46-52.

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China Journal of Highway and Transport ›› 2012, Vol. 25 ›› Issue (2) : 46-52.

Experiments on the Mechanical Properties of Corrugated Rib Connector

  • SU Qing-tian, WANG Rui, WANG Wei
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Abstract

To research and develop a new type of connector for steel and concrete composite structure, a new type of connector, corrugated rib connector, was developed. Three push-out tests with corrugated rib connector and three push-out tests with perfobond rib connector were carried out. The basic mechanical properties of these connectors were measured and the test results were compared and analyzed. The load-slip relation of corrugated rib connector was obtained, and relative stiffness expressions under normal service state and ultimate bearing capacity state were fitted. The test result shows that the mechanical properties of this connector are excellent. The shear strength of corrugated rib connector is 24 percent greater than that of the perfobond rib connector, and the shear stiffness of corrugated rib connector is larger than that of the perfobond rib connector. Besides, the ductility of corrugated rib connector is 1.9 times higher than that of the perfobond rib connector when they reach the ultimate load.

Key words

bridge engineering / corrugated rib connector / experiment research / strength / stiffness / ductility

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SU Qing-tian, WANG Rui, WANG Wei. Experiments on the Mechanical Properties of Corrugated Rib Connector[J]. China Journal of Highway and Transport, 2012, 25(2): 46-52

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