| 钢骨混凝土梁抗剪性能试验研究 |
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| 引用本文： | 何露,张南,陈梁,吴世清.钢骨混凝土梁抗剪性能试验研究[J].江苏建筑,2012(5):42-45. |
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| 作者姓名： | 何露 张南 陈梁 吴世清 |
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| 作者单位： | 1. 南京工业大学土木工程学院,江苏南京,210009
2. 南京润华市政建设有限公司,江苏南京,210009 |
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| 摘 要： | 通过3根钢骨混凝土梁和1根普通钢筋混凝土梁在单点集中荷载作用下的抗剪性能试验,研究了桁架式钢骨混凝土梁的斜截面破坏形态和抗剪承载力。试验结果表明:与普通钢筋混凝土梁相比,钢骨梁的开裂荷载和抗剪承载力都有较大的提高;在相同钢骨形式下,随着剪跨比减小,钢骨梁的极限抗剪承载力增大;加入水平分布筋后,延缓了剪区斜裂缝的开展,提高了钢骨混凝土梁的极限抗剪承载力。
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| 关 键 词： | 钢骨混凝土梁 桁架式钢骨 剪跨比 抗剪承载力 破坏模式 |
Experimental Study on Shear Performance of Steel Reinforced Concrete Beam |
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| HE Lu,ZHANG Nan,CHEN Liang,WU Shi-qing.Experimental Study on Shear Performance of Steel Reinforced Concrete Beam[J].Jiangsu Construction,2012(5):42-45. |
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| Authors: | HE Lu ZHANG Nan CHEN Liang WU Shi-qing |
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| Affiliation: | 1.College of Civil Engineering, Nanjing University of Technology, Nanjing Jiangsu 210009 China; 2. Nanjing Runhua Municipal Construction Co., Ltd,Nanjing Jiangsu 210009 China) |
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| Abstract: | Experimental studies on shear performance of three steel reinforced concrete beams and one rein- forced concrete beam were carried out under centralized static loading, the failure mode of the oblique section and shear capacity of test beams were investigated. Based on the experimental results, the crack load and shear strength of the steel reinforced concrete beams have a great improvement compared to the reinforced concrete beam. The shear strength of test beams with the same steel skeleton were increased with the decrease of the shear span-to-depth ratio. As adding horizontal distributed steel, shear strength of the steel reinforced concrete beams were increased,and the growth of the crack of the oblique section were also slowed down. |
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| Keywords: | steel reinforced concrete beam truss type steel skeleton shear span-to-depth ratio shear bearingcapacity failure modes |
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