Paper Title:

Analysis of Long-Term Stress of Steel-Concrete Composite Beams

Periodical Advanced Materials Research (Volumes 163 - 167)
Main Theme Advances in Structures
Edited by Lijuan Li
Pages 2037-2040
DOI 10.4028/
Citation Min Ding et al., 2010, Advanced Materials Research, 163-167, 2037
Online since December, 2010
Authors Min Ding, Jin San Ju, Xiu Gen Jiang
Keywords Analysis, Composite Beam, Factor, Long-Term Stress
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The theoretical model to compute long-term stress of steel-concrete composite beam was deduced. On this basis, the effects of factors such as concrete age to loading, longitudinal reinforcement ratio in concrete slab, concrete slab width, environmental yearly average relative humidity and concrete strength on long-term stress of composite beams are discussed. The results show that additional stress at the top of concrete slab is tensile stress and that at the bottom of steel beam is compressive stress. Concrete slab width, as well as longitudinal reinforcement ratio can not be ignored. Concrete strength and concrete age to loading have relatively bigger effect as well. But environmental yearly average relative humidity has less impact.

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