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Reliability assessment of assembled shear wall structures considering stochastic defects in sleeve grouting
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Liang XUE1, Qianwei SUN2, Xiaodan REN1, Xiaqiang QIN2, Haiyan XU2
Earthquake Engineering and Engineering Dynamics | 2024, 44(1) : 14 - 24
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Earthquake Engineering and Engineering Dynamics | 2024, 44(1): 14-24
Reliability assessment of assembled shear wall structures considering stochastic defects in sleeve grouting
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Liang XUE1, Qianwei SUN2, Xiaodan REN1, Xiaqiang QIN2, Haiyan XU2
Affiliations
  • 1.College of Civil Engineering, Tongji University, Shanghai 200092, China
  • 2.China MCC20 Group Co., Ltd., Shanghai 201999, China
doi: 10.13197/j.eeed.2024.0102
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In assembled integral shear wall structures, the quality of sleeve grouting connections is random, that the vertical connection performance of structure and the seismic performance of structure will be affected. According to the pull-out tests of grouting sleeves with different defective degrees, a set of equivalent grouting sleeve defective connection bearing capacity models is established in this paper, and a finite element model of the assembled integral shear wall structure is built based on an actual engineering structure. By considering the randomness of grouting defects, the mechanical connection properties of grouting sleeve joints are given to the corresponding degree of defects, reflecting possible defects in the grouting sleeve. Structural stochastic non-linear response analysis and reliability assessment were carried out by non-linear finite element analysis and combined with probability density evolution method(PDEM). The results show that the structural non-linearity has a significant coupling effect with randomness under dynamic action. The randomness of defects will gradually amplify the effect on the structural response over time, and there will be significant differences in the overall reliability of the structure in different safety domains.

assembled shear wall structures  /  defects of grouting sleeve  /  random response analysis  /  reliability calculation  /  probability density evolution method(PDEM)
Liang XUE, Qianwei SUN, Xiaodan REN, Xiaqiang QIN, Haiyan XU. Reliability assessment of assembled shear wall structures considering stochastic defects in sleeve grouting[J]. Earthquake Engineering and Engineering Dynamics, 2024 , 44 (1) : 14 -24 . DOI: 10.13197/j.eeed.2024.0102
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Year 2024 volume 44 Issue 1
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Article Info
doi: 10.13197/j.eeed.2024.0102
  • Receive Date：2022-08-16
  • Online Date：2026-03-30
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  • Received：2022-08-16
  • Revised：2023-01-06
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Affiliations
    1.College of Civil Engineering, Tongji University, Shanghai 200092, China
    2.China MCC20 Group Co., Ltd., Shanghai 201999, China
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表12种不同金属材料的力学参数
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小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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