Sectional Analysis Procedure for Reinforced Concrete Members Subjected to Pure Torsion

Choi Jongkwon; Lee Seong-Cheol

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Sectional Analysis Procedure for Reinforced Concrete Members Subjected to Pure Torsion

机译：钢筋混凝土构件在纯扭作用下的截面分析程序

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A sectional analysis procedure for reinforced concrete members subjected to pure torsion is presented in this paper. On the development of the analysis procedure, the reinforced concrete section is modeled with reinforced concrete elements subjected to biaxial stress states, on the basis of the thin-walled tube analogy. Each reinforced concrete element is analyzed with the modified compression field theory (MCFT) to take into account for compression softening and tension stiffening effects in cracked reinforced concrete. Considering analysis results of reinforced concrete elements, equilibrium, and compatibility on the section are checked. For verification of the developed analysis procedure, analytical predictions were compared with test results of 16 reinforced concrete beams subjected to a pure torsional load which are available in the literature. Comparison between predicted and experimentally obtained torque-twist responses showed that the proposed procedure is capable of capturing the ultimate torsional capacity as well as the angle of twist within a reasonable range.

机译：本文提出了钢筋混凝土构件承受纯扭力的截面分析程序。根据分析程序的发展，在薄壁管类比的基础上，用承受双轴应力状态的钢筋混凝土单元对钢筋混凝土截面进行建模。使用改进的压缩场理论（MCFT）对每个钢筋混凝土元素进行分析，以考虑开裂钢筋混凝土中的压缩软化和拉伸硬化效应。考虑钢筋混凝土元素的分析结果，检查截面的平衡性和相容性。为了验证已开发的分析程序，将分析预测与16根承受纯扭转载荷的钢筋混凝土梁的测试结果进行了比较，这些文献在文献中均提供了此结果。比较预测的和实验获得的扭矩扭转响应，结果表明，所提出的方法能够在合理的范围内捕获极限扭转能力以及扭转角。

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《Advances in civil engineering》 |2019年第5期|6019321.1-6019321.13|共13页
作者
Choi Jongkwon; Lee Seong-Cheol;
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Univ Texas Austin Dept Civil Architectural & Environm Engn Austin TX 78712 USA;

Kyungpook Natl Univ Dept Civil Engn Daegu South Korea;

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1. Nonlinear sectional analysis of reinforced concrete beams and shells subjected to pure torsion [J] . Kuan Allan, Bruun Edvard P. G., Bentz Evan C., Computers & Structures . 2019,第Octa期

机译：钢筋混凝土梁和壳体在纯扭作用下的非线性截面分析
2. Nonlinear sectional analysis of reinforced concrete beams and shells subjected to pure torsion [J] . Kuan Allan, Bruun Edvard P. G., Bentz Evan C., Computers & Structures . 2019,第OCTa期

机译：钢筋混凝土梁和壳体在纯扭作用下的非线性截面分析
3. Maximum Torsional Reinforcement of Reinforced Concrete Beams Subjected to Pure Torsion [J] . Lee Jung-Yoon, Kim Kil-Hee, Lee Seung Hoon, ACI Structural Journal . 2019,第2期

机译：纯扭转作用下钢筋混凝土梁的最大扭转钢筋
4. Softened Space Truss Theory Application in the Steel Fiber Reinforced High-Strength Concrete Box Girder Subjected to Pure Torsion [C] . ZHU Mingqiao, FANG Zhi, CHENG Huoyan, Annual Conference for Young Scientists of China Association for Science and Technology; 20041102-05; Shanghai(CN) . 2004

机译：软化空间桁架理论在纯扭转钢纤维高强混凝土箱梁中的应用
5. Seismic analysis of reinforced concrete structures subjected to combined axial, flexure, shear and torsional loads. [D] . Mullapudi, Taraka Ravi Shankar. 2010

机译：钢筋混凝土结构在轴向，弯曲，剪切和扭转共同作用下的地震分析。
6. Acoustic Emission Monitoring of Multicell Reinforced Concrete Box Girders Subjected to Torsion [O] . Marya Bagherifaez, Arash Behnia, Abeer Aqeel Majeed, -1

机译：钢筋混凝土箱形梁受扭声发射监测
7. Prediction of the Torsional Strength of Reinforced Concrete Beams Subjected to Pure Torsion [O] . 2002

机译：钢筋混凝土梁对纯扭转梁扭转力的预测
8. Behavior of Prestressed Concrete Rectangular Members Subjected to Pure Torsion [R] . Chander, H., Kemp, E. L., Wilhelm, W. J. 1970

机译：预应力混凝土矩形构件在纯扭转作用下的受力性能

Sectional Analysis Procedure for Reinforced Concrete Members Subjected to Pure Torsion

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