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工程力学  2015 

嵌入式基础叠合墙板平面外受弯性能试验研究与数值模拟分析

DOI: 10.6052/j.issn.1000-4750.2013.11.1082, PP. 131-137

Keywords: 叠合式地下室外墙,嵌入式基础,平面外受弯性能,试验研究,数值模拟分析

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Abstract:

为改善叠合式地下室外墙板基础顶部的受力情况,提出了嵌入式基础。设计制作了两组共4个试件,并施加模拟侧向土压力的平面外荷载进行了静力加载试验。结果表明:墙板嵌入深度对受力性能有较大影响,嵌入深度较大的第1组试件基础基本保持完好,破坏模式为墙板底部在剪力和弯矩共同作用下发生斜拉破坏;对于嵌入深度较小的第2组试件,基础底座发生了严重破坏,破坏模式为跨中塑性铰达到转动极限;预制墙板和核心区现浇混凝土未发生明显滑移,能够有效地共同工作。在试验研究基础上,采用ANSYS软件对试件受力过程进行了数值模拟分析。分析与试验结果的对比表明:所建立的有限元分析模型可以较好地模拟试件的受力过程和破坏形态,可作为下一步研究的基础。

References

[1]  种迅, 叶献国, 徐林, 等. 半装配式工字形横截面钢筋混凝土剪力墙抗震试验研究[J]. 工程力学, 2013, 30(2): 247―253. Chong Xun, Ye Xianguo, Xu Lin, et al. Test on the seismic behavior of I-shaped section semi-precast reinforced concrete shear walls [J]. Engineering Mechanics, 2013, 30(2): 247―253. (in Chinese)
[2]  钱稼茹, 杨新科, 秦珩, 等. 竖向钢筋采用不同连接方法的预制钢筋混凝土剪力墙抗震性能试验[J]. 建筑结构学报, 2011, 32(6): 51―59. Qian Jiaru, Yang Xinke, Qin Heng, et al. Tests on seismic behavior of pre-cast shear walls with various methods of vertical reinforcement splicing [J]. Journal of Building Structures, 2011, 32(6): 51―59. (in Chinese)
[3]  姜洪斌,陈再现,张家齐, 等. 预制钢筋混凝土剪力墙结构拟静力试验研究[J]. 建筑结构学报, 2011, 32(6): 34―40. Jiang Hongbin, Chen Zaixian, Zhang Jiaqi, et al. Quasi-static test of precast reinforced concrete shear wall structure [J]. Journal of Building Structures, 2011, 32(6): 34―40. (in Chinese)
[4]  种迅, 孟少平, 张林振. 后张预应力预制混凝土框架节点抗震性能数值模拟与理论分析[J]. 工程力学, 2013, 30(5): 153―164. Chong Xun, Meng Shaoping, Zhang Linzhen. Numerical and theoretical analysis on seismic performance of post-tensioned prestressed concrete beam-column assemblages [J]. Engineering Mechanics, 2013, 30(5): 153―164. (in Chinese)
[5]  Holden T, Restrepo J, Mander J B. Seismic performance of precast reinforced and prestressed concrete walls [J]. Journal of Structural Engineering, 2003, 3(129): 286― 296.
[6]  Canha R M F, Jaguaribe K de B, Jr Debs A L H, de C El, et al. Analysis of the behavior of transverse walls of socket base connections [J]. Engineering Structures, 2009, 31(3): 788―798.
[7]  ANSYS Inc. ANSYS user’s manual. version 12.0 [M]. Canonsburg, Pennsylvania: ANSYS Inc, 2009.
[8]  Kent D C, Park R. Flexural members with confined concrete [J]. Journal of the Structural Division, 1971, 97(7): 1969―1990.
[9]  Willam K J, Warnke E P. Constitutive model for the triaxial behavior of concrete [C]. Proceedings, International Association for Bridge and Structural Engineering, Bergamo, Italy: ISMES, 1975, 19: 174―186.
[10]  CEB-FIP MC 90, CEB-FIP Model Code 1990 [S]. London: Thomas Telford House, 1993.
[11]  ACI Committee 318, Building Code Requirements for Structural Concrete and Commentary (ACI 318-11) [S]. Farmington Hills: American Concrete Institute, 2011.

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