Research on Influencing Factors of Seismic Performance of Full Frame-Supported Thick-Slab Transfer Layer Structures

LIU Hongbo; GAO Songyan; DU Peng; QI Xudong

doi:10.3724/j.gyjzG25051201

Volume 56 Issue 10

Oct. 2026

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LIU Hongbo, GAO Songyan, DU Peng, QI Xudong. Research on Influencing Factors of Seismic Performance of Full Frame-Supported Thick-Slab Transfer Layer Structures[J]. INDUSTRIAL CONSTRUCTION, 2026, 56(10): 114-120. doi: 10.3724/j.gyjzG25051201

Citation:

LIU Hongbo, GAO Songyan, DU Peng, QI Xudong. Research on Influencing Factors of Seismic Performance of Full Frame-Supported Thick-Slab Transfer Layer Structures[J]. INDUSTRIAL CONSTRUCTION, 2026, 56(10): 114-120. doi: 10.3724/j.gyjzG25051201

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Research on Influencing Factors of Seismic Performance of Full Frame-Supported Thick-Slab Transfer Layer Structures

doi: 10.3724/j.gyjzG25051201

LIU Hongbo^1,2,
GAO Songyan¹,
DU Peng^{1
,
,},
QI Xudong³

1. Hebei University of Engineering Laboratory for Low-Carbon Construction and Resilience Enhancement of Construction; Engineering, Handan 056038, China;
2. School of Civil Engineering, Tianjin University, Tianjin 300072, China;
3. China Railway Design Corporation, Tianjin 300308, China

Received Date: 2025-05-12
Available Online: 2026-11-06

Abstract

Abstract

With the rapid advancement of urbanization， the extensive application of the TOD model in large cities has driven the development of rail transit superstructure buildings. The full frame-supported thick-plate transfer layer structure， characterized by high overall stiffness and flexible upper-structure layout， has become a key solution for meeting the multifunctional requirements of TOD developments. To investigate the impact of key parameters on its seismic performance， a parametric numerical study was conducted， focusing on the effects of the oblique angle and thick plate thickness. The results indicated that variations in oblique angles had a limited influence on the dynamic characteristics of the structure， with a maximum difference of only 0.35% in the first-mode period among different parametric models. In engineering design， adjusting the transfer layer’s thick plate thickness could optimize stress distribution and enhance seismic performance. However， increasing the cross-sectional dimensions of the thick plate might exert adverse effects on the lower frame columns. Therefore， while ensuring the performance requirements of the transfer layer， careful selection of plate thickness is essential to prevent excessive seismic demands on frame columns， considering the integrated impact of both the upper and lower structures.
- transfer layer structure of metro superstructure buildings,
- thick-plate transfer layer,
- parametric analysis,
- seismic performance

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References(15)

References

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