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内藏桁架混凝土组合低剪力墙软化桁架模型

Keywords: 钢筋混凝土,组合剪力墙,内藏桁架,软化桁架模型

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Abstract:

为了改善低剪力墙的抗震能力,提出了内藏桁架混凝土组合低剪力墙,并对其进行了低周反复荷载下的抗震性能试验研究,在试验研究的基础上,结合国内外已有的软化桁架模型理论建立了内藏桁架混凝土组合低剪力墙的软化桁架模型.该模型在内藏桁架混凝土组合低剪力墙的初裂阶段,其裂缝延伸方向垂直于混凝土主拉应力方向;在裂缝初裂后的发展过程中,其延伸方向受到内藏桁架的影响.计算结果与试验结果符合较好.

References

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