Equivalent Static Seismic Load for Middle to Large Span Latticed Domes Considering Roof Antisymmetric Mode Amplified by Substructure Second Mode

Terazawa, Yuki; Nair, Deepshikha; Ichihashi, Keita; Takeuchi, Tōru

doi:10.3130/aijs.87.194

Nihon Kenchiku Gakkai Kozokei Ronbunshu

2022

DOI: 10.3130/aijs.87.194

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Equivalent Static Seismic Load for Middle to Large Span Latticed Domes Considering Roof Antisymmetric Mode Amplified by Substructure Second Mode

Yuki Terazawa

Deepshikha Nair

Keita Ichihashi

et al.

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2024

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保有水平耐力計算法に基づく耐震構造として設計された一層支持架構付きラチスドームの屋根部材2次設計用の構造特性係数評価

TERAZAWA,

SHIJO,

KUMAGAI

et al. 2024

Nihon Kenchiku Gakkai Kozokei Ronbunshu

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This paper performed a series of nonlinear response history analyses (NLRHAs) for double-layered domes supported by single-story substructures to investigate the effect of the roof span L of 60m to 150m, yielding story drift ratio θ y , yielding base shear coefficient C y of 0.3 to 0.6, post-yielding stiffness ratio p of 0.01 to 0.5 on the seismic force reduction factor D s and ductility ratio μ. Furthermore, a simple force reduction factor evaluation method considering the resonance between the dome and substructure was proposed. Finally, static analyses with an equivalent seismic load with the proposed D s were compared to the NLRHAs.

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保有水平耐力計算法に基づく耐震構造として設計された一層支持架構付きラチスドームの屋根部材2次設計用の構造特性係数評価

TERAZAWA,

SHIJO,

KUMAGAI

et al. 2024

Nihon Kenchiku Gakkai Kozokei Ronbunshu

View full text Add to dashboard Cite

show abstract

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Equivalent Static Seismic Load for Middle to Large Span Latticed Domes Considering Roof Antisymmetric Mode Amplified by Substructure Second Mode

Cited by 1 publication

References 15 publications

保有水平耐力計算法に基づく耐震構造として設計された一層支持架構付きラチスドームの屋根部材2次設計用の構造特性係数評価

保有水平耐力計算法に基づく耐震構造として設計された一層支持架構付きラチスドームの屋根部材2次設計用の構造特性係数評価

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