| 钢筋混凝土压、弯、剪、扭构件抗扭性能的研究 |
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| 引用本文： | 秦卫红,卫云亭,张连德.钢筋混凝土压、弯、剪、扭构件抗扭性能的研究[J].西安建筑科技大学学报(自然科学版),1993(4). |
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| 作者姓名： | 秦卫红 卫云亭 张连德 |
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| 作者单位： | 西安冶金建筑学院建筑工程系 710055
(秦卫红，卫云亭)，青岛建筑工程学院建筑工程系 266033(张连德) |
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| 摘 要： | 根据压、弯、剪、扭构件的试验,对比了压、弯、剪构件在单调和反复扭矩作用下的裂缝发展规律、钢筋应变及破坏特征。基于空间桁架理论,建立了压、弯、剪、扭强度相关公式,并提出压、弯、剪构件在单调和反复扭矩作用下的抗扭承载力实用计算公式。文中公式与实验结果符合良好。
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| 关 键 词： | 钢筋混凝土 桁架/抗扭承载力 |
A Study of Torsional Bahavior of R.C.Members Subjected to Combined Compression, Bending, Shear and Torsion |
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| Qin Weihong,Wei Yunting,Zhang Liande Dept. of Cons. Eng.,Xi'an Inst. of Metall. & Cons. Eng.,Xi'an.A Study of Torsional Bahavior of R.C.Members Subjected to Combined Compression, Bending, Shear and Torsion[J].Journal of Xi'an University of Architecture & Technology,1993(4). |
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| Authors: | Qin Weihong Wei Yunting Zhang Liande Dept of Cons Eng Xi'an Inst of Metall & Cons Eng Xi'an |
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| Affiliation: | Qin Weihong,Wei Yunting,Zhang Liande Dept. of Cons. Eng.,Xi'an Inst. of Metall. & Cons. Eng.,710055,Xi'an |
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| Abstract: | Based on test results of specimens subjected to combined axial compression, bend-ing moment, shear force and torsional moment, the difference of the failure modes andcracking patterns of members between the monotonic and reversed loading condition isdiscussed. According to the truss model with variable angle, a compression-bending-shear-torsion interaction equation has been developed. Conforming to the design codefor concrete structure (GBJ 10-89), practical formulas are proposed. Calculated re-sults by these formulas agree well to the test results of seventeen members. |
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| Keywords: | reinforced concrete trusses/ torsional bearing capacity |
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