| 预应力箍筋加固RC梁受剪性能试验研究 |
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| 引用本文： | 王曦明,王天稳,李猛.预应力箍筋加固RC梁受剪性能试验研究[J].建筑技术开发,2009(10):3-6. |
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| 作者姓名： | 王曦明 王天稳 李猛 |
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| 作者单位： | 武汉大学土木建筑工程学院,湖北武汉430072 |
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| 摘 要： | 对14根预应力箍筋加固混凝土梁进行了受剪性能试验研究。试验结果表明：采用预应力箍筋加固混凝土梁，能提高梁的受剪承载力，并对梁斜裂缝宽度有一定的限制作用。根据试验实测数据的回归分析，得到了预应力箍筋加固混凝土梁斜截面抗裂度和不同情况下预应力箍筋贡献的抗剪计算公式，计算结果与试验值吻合较好。
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| 关 键 词： | 预应力箍筋 试验 加固 开裂荷载 抗剪承载力 |
EXPERIMENTAL RESEARCH ON SHEAR BEHAVIORS FOR RC BEAM WITH PRE-STRESSED STIRRUPS |
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| Wang Xi-ming Wang Tian-wen Li Meng.EXPERIMENTAL RESEARCH ON SHEAR BEHAVIORS FOR RC BEAM WITH PRE-STRESSED STIRRUPS[J].Building Technique Development,2009(10):3-6. |
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| Authors: | Wang Xi-ming Wang Tian-wen Li Meng |
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| Affiliation: | Wang Xi-ming Wang Tian-wen Li Meng |
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| Abstract: | 14 reinforced concrete beams strengthened with pre-stressed stirrups were tested to investigate their shear behaviors. The experiment results showed that pre-stressed stirrups could not only improved the shear strength of the beam ,but also certainly limited the shear-crack width. The formulas for calculating cracking load and shear capacity of reinforced concrete beams with different strengthening cases strengthened by pre-stressed stirrups are proposed through regression analysis to experiment data , and the calculated results coincidence with the experiment results well. |
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| Keywords: | pre-stressed stirrups experiment strengthening cracking load shear-bearing capacity |
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