Analysis on plastic properties of reactive powder concrete continuous beams reinforced with GFRP bars
LuShanShan, ZHENG Wen-zhong
School of Civil Engineering,Harbin Institute of Technology,Harbin 150090,China
Abstract:
To study the plastic properties of reactive powder concrete continuous beams reinforced with GFRP bars,the calculation programs for moment redistribution coefficients are prepared by using nonlinear analysis methods such as moment-curvature,conjugate beam method and so on. By comparing the test results of existed FRP bars reinforced concrete continuous beams with simulation results,the accuracy of the calculation program is verified. Then 18 simulated GFRP bars reinforced reactive powder concrete continuous beams are selected whose change parameters are reinforcement ratio of mid-span and middle support. Through the nonlinear analysis of simulated beams,moment redistribution coefficients under mid-span concentrated loads,one-third point loads and uniformly distributed loads are obtained respectively. Thus the formula of moment redistribution coefficients is obtained by fitting moment redistribution coefficients and factors. The results show that the reactive powder concrete continuous beams reinforced with GFRP bars have good plastic properties.
Key words: GFRP bars reactive powder concrete ( RPC) continuous beam plastic properties
DOI：10.11916/j.issn.1005-9113.2010.04.006
Clc Number:TU377.9
Fund:
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Analysis on plastic properties of reactive powder concrete continuous beams reinforced with GFRP bar
本站小编 哈尔滨工业大学/2019-10-23
相关话题/Analysis plastic properties reactive powder
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