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大保护层钢筋混凝土受弯构件裂缝控制的试验研究
引用本文:王清湘,赵顺波.大保护层钢筋混凝土受弯构件裂缝控制的试验研究[J].大连理工大学学报,1993,33(5):566-575.
作者姓名:王清湘  赵顺波
作者单位:大连理工大学土木工程系 (王清湘),大连理工大学土木工程系(赵顺波)
摘    要:根据试验结果,建议了混凝土有效受拉面积的取值方法;分析了混凝土保护层厚度对钢筋混凝土梁抗裂度和裂缝宽度的影响规律,并提出了相应计算分析。用本文试验和其他单位的试验资料对建议公式作了验证。

关 键 词:钢筋混凝土    抗裂试验

Research on crack control of RC beams with large concrete cover
Wang Qingxiang,Zhao Shunbo.Research on crack control of RC beams with large concrete cover[J].Journal of Dalian University of Technology,1993,33(5):566-575.
Authors:Wang Qingxiang  Zhao Shunbo
Abstract:Tests are carried out to measure the effective area of tensile concrete and the cracking strength and crack width of rectangular beams with large concrete cover. Based on the experimental results, a method for calculating the effective area of tensile concrete is proposed. Meanwhile, the influence of concrete cover on the plastic-parameter of cracking strength and the crack width are analyzed, and the calculating formulas are proposed and verified by the experimental data.
Keywords:reinforced concrete  beam/effective area of tensile concrete  cracking strength  crack width
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