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Coupled Analysis of Slip and Deflection for Continuous Composite Beams of Steel and Concrete

Coupled Analysis of Slip and Deflection for Continuous Composite Beams of Steel and Concrete Experimental results for eleven continuous composite beams of steel and concrete are presented in this paper, which includes laws of deflection and slip between the concrete and steel. Governing differential equations of slip and deflection for simply supported composite beams with different boundary conditions and different loads are established, and a set of numerical expressions for slip and deflection of continuous composite beams are established by the superposition method as well. The deflection and slip of seventeen continuous composite beams are calculated by the numerical expressions. The calculated results show good agreement with the experimental results. The numerical results show that the slip of continuous composite beams increases and approaches the slip of sandwich panels without shear connectors. At the same time, the degree of shear connection influences deflection to a certain extent. The degree of shear connection influences deflections little at full shear connection and the increment of deflection caused by slip is less than 5% when the degree of shear connection is between 60 to 100%. When the degree of shear connection is between 80 to 140%, the strain in the lower flange of the steel beam at the internal-support is influenced little. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Advances in Structural Engineering SAGE

Coupled Analysis of Slip and Deflection for Continuous Composite Beams of Steel and Concrete

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Publisher
SAGE
Copyright
© 2004 SAGE Publications
ISSN
1369-4332
eISSN
2048-4011
DOI
10.1260/136943304323213201
Publisher site
See Article on Publisher Site

Abstract

Experimental results for eleven continuous composite beams of steel and concrete are presented in this paper, which includes laws of deflection and slip between the concrete and steel. Governing differential equations of slip and deflection for simply supported composite beams with different boundary conditions and different loads are established, and a set of numerical expressions for slip and deflection of continuous composite beams are established by the superposition method as well. The deflection and slip of seventeen continuous composite beams are calculated by the numerical expressions. The calculated results show good agreement with the experimental results. The numerical results show that the slip of continuous composite beams increases and approaches the slip of sandwich panels without shear connectors. At the same time, the degree of shear connection influences deflection to a certain extent. The degree of shear connection influences deflections little at full shear connection and the increment of deflection caused by slip is less than 5% when the degree of shear connection is between 60 to 100%. When the degree of shear connection is between 80 to 140%, the strain in the lower flange of the steel beam at the internal-support is influenced little.

Journal

Advances in Structural EngineeringSAGE

Published: Jul 1, 2004

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