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Effect of Pre-Hole Filled with High-Damping Material on the Inelastic Response Spectrum of Integral Abutment Bridges
被引:5
|作者:
Aloisio, Angelo
[1
]
Pelliciari, Matteo
[2
]
Xue, Junqing
[3
]
Fragiacomo, Massimo
[1
]
Briseghella, Bruno
[3
]
机构:
[1] Univ Aquila, Dept Civil Construct Architectural & Environm Engn, Laquila, Italy
[2] Univ Modena & Reggio Emilia, Dept Engn Enzo Ferrari, Modena, Italy
[3] Fuzhou Univ, Coll Civil Engn, Fuzhou, Peoples R China
基金:
中国国家自然科学基金;
关键词:
Integral abutment bridge;
soil-structure interaction;
seismic response;
reinforced concrete piles;
hysteresis modeling;
force-reduction factors;
DYNAMIC PROPERTIES;
SHEAR MODULUS;
PILE;
DESIGN;
FORMULATION;
BEHAVIOR;
CURVES;
D O I:
10.1080/13632469.2022.2136790
中图分类号:
TU [建筑科学];
学科分类号:
0813 ;
摘要:
This paper estimates the effect of a pre-hole filled with high-damping material on the inelastic response spectrum of Integral Abutment Bridges (IAB) with pile foundation. The hysteretic response of the pile, described by a Winkler beam model, is obtained from the piece-wise definition of the subgrade stiffness, calibrated on experimental data. The pre-hole with damping pre-hole determines a reduction of the demand spectral acceleration. The force modification factors of the acceleration response spectrum of the bridge superstructure under a large set of strong/motion earthquakes are estimated. The force-reduction factors for the elastic design of IABs with damping pre-hole are proposed.
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页码:3319 / 3340
页数:22
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