STUDY ON BEARING CAPACITY AND SEISMIC PROPERTIES OF PREFABRICATED SKIP-FLOOR SHEAR WALLS WITH BOLTED CONNECTION

JIANG Jili; HAN Jun; REN Wei; LI Yingmin

doi:10.13204/j.gyjzG19111215

Volume 51 Issue 1

Apr. 2021

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JIANG Jili, HAN Jun, REN Wei, LI Yingmin. STUDY ON BEARING CAPACITY AND SEISMIC PROPERTIES OF PREFABRICATED SKIP-FLOOR SHEAR WALLS WITH BOLTED CONNECTION[J]. INDUSTRIAL CONSTRUCTION, 2021, 51(1): 45-53,109. doi: 10.13204/j.gyjzG19111215

Citation:

JIANG Jili, HAN Jun, REN Wei, LI Yingmin. STUDY ON BEARING CAPACITY AND SEISMIC PROPERTIES OF PREFABRICATED SKIP-FLOOR SHEAR WALLS WITH BOLTED CONNECTION[J]. INDUSTRIAL CONSTRUCTION, 2021, 51(1): 45-53,109. doi: 10.13204/j.gyjzG19111215

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STUDY ON BEARING CAPACITY AND SEISMIC PROPERTIES OF PREFABRICATED SKIP-FLOOR SHEAR WALLS WITH BOLTED CONNECTION

doi: 10.13204/j.gyjzG19111215

JIANG Jili¹,
HAN Jun^1,2,
REN Wei^{1
,
,},
LI Yingmin^1,2

1. School of Civil Engineering, Chongqing University, Chongqing 400045, China;
2. Key Laboratory of New Technology for Construction of Cities in Mountain Area of China Ministry of Education, Chongqing University, Chongqing 400045, China

Received Date: 2020-04-22
Available Online: 2021-04-30

Abstract

Abstract

25 prefabricated skip-floor shear wall models were established for static elastoplastic analysis to explore the load-bearing mechanism at the connection interface. Then, the influence of axial compression ratios, length-to-width ratios and other factors on the bearing capacity of the bolts at the interface were analyzed, and the fitting formulas for shearing unevenness coefficients of bolts and shear ratios of bolts were proposed. Finally, the bolts of the prefabricated skip-floor shear wall were designed according to the formulas, and the seismic performances of prefabricated and cast-in-place skip-floor shear walls were compared by quasi-static elastoplastic simulations. The research results showed that the frictional resistance at the connection interface in most cases accounted for more than 80% of the total shearing force, prefabricated skip-floor shear walls designed with consideration of the uneven shear of bolts were of excellent seismic performance.
- prefabricated skip-floor shear wall,
- bolt connection,
- shearing unevenness,
- seismic performance

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References(17)

References

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