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| 拉-弯-剪复合受力混凝土构件的承载力计算研究 | |
| 引用本文： | 黄靓,张怀安,江超,李登,徐紫鹏,鲁懿虬.拉-弯-剪复合受力混凝土构件的承载力计算研究[J].工业建筑,2014(11):172-177,50. |
| 作者姓名： | 黄靓 张怀安 江超 李登 徐紫鹏 鲁懿虬 |
| 作者单位： | 1. 湖南大学土木工程学院,长沙,410082 2. 湖南大学土木工程学院，长沙 410082; 中机国际工程设计研究院，长沙 410007 3. 湖南大学土木工程学院，长沙 410082; 奥雅纳工程咨询 上海 有限公司深圳分公司，广东深圳 518048 |
| 基金项目： | 国家自然科学基金项目(51078132)。 |
| 摘 要： | 试验研究表明,复合受力状态下的钢筋混凝土构件的抗拉、抗弯、抗剪强度是相关的。以拉弯相关性、弯剪相关性为基础,根据截面满足的平衡条件,分别推导出矩形截面钢筋混凝土构件在小偏拉、剪力共同作用和大偏拉、剪力共同作用下考虑拉-弯-剪三者相关性的承载力验算式。通过对比试验数据,考虑拉-弯-剪相关性的构件承载力验算方法计算的结果与试验数据符合良好。从安全角度考虑,建议进一步修正GB 50010—2010《混凝土设计规范》中关于拉-弯-剪构件设计方法。 |
| 关 键 词： | 钢筋混凝土 拉-弯相关性 复合受力 承载力 受力状态 |
BEARING CAPACITY OF REINFORCEMENT CONCRETE MEMBERS UNDER COMBINED TENSION,BENDING AND SHEAR |
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| Huang Liang , Zhang Huaian , Jiang Chao , Li Deng , Xu Zipeng , Lu Yiqiu.BEARING CAPACITY OF REINFORCEMENT CONCRETE MEMBERS UNDER COMBINED TENSION,BENDING AND SHEAR[J].Industrial Construction,2014(11):172-177,50. | |
| Authors: | Huang Liang Zhang Huaian Jiang Chao Li Deng Xu Zipeng Lu Yiqiu |
| Abstract: | Experiments of reinforced concrete( RC) members subjected to combined loading indicated that their tension,bending and shear strength would interact with each other. Based on the theory of tension-bending interaction and moment-shear correlation,a formula checking the bearing capacity of rectangular RC member was derived from the balance of sectional force,taking consideration of the interaction of small eccentric tension-shear and large eccentric tension-shear,respectively. Comparing with experimental data,the results calculated by the formula considering tension-bending-shear interaction consisted with the experimental data well. From a security point of view,it was suggested to further modify the design method for the members under combination of tension,bending and shear in Code for Design of Concrete Structures( GB 50010—2010). |
| Keywords: | reinforced concrete tension-bending interaction combined loading bearing capacity stress state |
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