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Study on seismic behavior of ultra-high performance concrete composite shear wall with precast slab
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Yafeng CHANG1, 2, Wenzhe YIN1, Yapeng HOU1, 2, Xiaoshan CAO2, Junping SHI2, Xingwen LIANG3
Earthquake Engineering and Engineering Dynamics | 2024, 44(3) : 96 - 107
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Earthquake Engineering and Engineering Dynamics | 2024, 44(3): 96-107
Study on seismic behavior of ultra-high performance concrete composite shear wall with precast slab
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Yafeng CHANG1, 2, Wenzhe YIN1, Yapeng HOU1, 2, Xiaoshan CAO2, Junping SHI2, Xingwen LIANG3
Affiliations
  • 1.Shaanxi Institute of Architecture Science Co., Ltd., Xi’an 710082, China
  • 2.School of Civil Engineering and Architecture, Xi’an University of Technology, Xi’an 710048, China
  • 3.College of Civil Engineering, Xi’an University of Architecture and Technology, Xi’an 710055, China
doi: 10.13197/j.eeed.2024.0309
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Based on the seismic performance test of one common shear wall and four ultra-high performance concrete (UHPC) prefabricated composite shear walls, the hysteretic properties, bearing capacity, ductility, stiffness, and energy dissipation capacity were studied. The effects of width-to-height ratio, replacement by expanded polystyrene (EPS) and vertical reinforcement connection on the seismic performance were analyzed. The results show that compared with the common shear wall, the UHPC composite wall has excellent seismic performance and the maximum bending capacity increases. The UHPC prefabricated slab and steel truss can work well with the concrete in the cavity. The hysteretic curve, skeleton curve and stiffness degradation curve of UHPC composite wall are basically consistent with the trend of common shear wall. In the range of the ratio of height to width, the smaller the ratio of height to width, the greater the flexural capacity and stiffness of the composite wall of UHPC, and the worse the energy dissipation. Replacement by EPS can improve the energy dissipation capacity of composite shear wall after yield, but reduce the ductility of UHPC composite wall. Only using the vertical reinforcement of the concealed column to connect with the base has little effect on the flexural capacity and energy dissipation of the UHPC composite wall, but it can facilitate the construction greatly.

UHPC prefabricated cast slab  /  composite shear wall  /  seismic performance  /  replacement by EPS  /  connecting steel bar
Yafeng CHANG, Wenzhe YIN, Yapeng HOU, Xiaoshan CAO, Junping SHI, Xingwen LIANG. Study on seismic behavior of ultra-high performance concrete composite shear wall with precast slab[J]. Earthquake Engineering and Engineering Dynamics, 2024 , 44 (3) : 96 -107 . DOI: 10.13197/j.eeed.2024.0309
Year 2024 volume 44 Issue 3
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Article Info
doi: 10.13197/j.eeed.2024.0309
  • Receive Date:2022-11-14
  • Online Date:2026-03-30
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  • Received:2022-11-14
  • Revised:2022-12-05
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Affiliations
    1.Shaanxi Institute of Architecture Science Co., Ltd., Xi’an 710082, China
    2.School of Civil Engineering and Architecture, Xi’an University of Technology, Xi’an 710048, China
    3.College of Civil Engineering, Xi’an University of Architecture and Technology, Xi’an 710055, China
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表12种不同金属材料的力学参数

Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)

Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
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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