Inconsistent gap-closing behavior of spiral case structures in hydropower stations: Mechanism and structural role

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成果类型：

期刊论文

作者：

Hu, Lei;Xiang, Ai-Jun;Liu, Dong;Fu, Dan;Li, Hu;...

通讯作者：

Fu, D

作者机构：

[Hu, Lei] Minist Water Resources MWR, Changjiang River Sci Res Inst CRSRI, Hubei Technol Innovat Ctr Smart Hydropower, Natl Dam Safety Res Ctr, Jiuwanfang Rd,Huangpu St, Wuhan, Hubei, Peoples R China.

[Hu, Lei] Minist Water Resources MWR, Changjiang River Sci Res Inst CRSRI, Res Ctr Water Engn Safety & Disaster Prevent, Jiuwanfang Rd,Huangpu St, Wuhan, Hubei, Peoples R China.

[Xiang, Ai-Jun; Li, Hu; Hu, Xing; Liu, Dong] China Yangtze Power Co Ltd, Hubei Technol Innovat Ctr Smart Hydropower, Jianshe Rd,Xiling St, Yichang, Hubei, Peoples R China.

[Fu, Dan] Wuhan Polytech Univ, Sch Civil Engn & Architecture, Xuefu South Rd, Wuhan, Hubei, Peoples R China.

通讯机构：

[Fu, D ] W

Wuhan Polytech Univ, Sch Civil Engn & Architecture, Xuefu South Rd, Wuhan, Hubei, Peoples R China.

语种：

英文

关键词：

Spiral case structure;Inconsistent gap-closing behavior;IWP-transferring percentage;Operational safety;Steel-concrete composite structure

期刊：

KSCE Journal of Civil Engineering

ISSN：

1226-7988

年：

2025

卷：

期：

页码：

100156

DOI：

10.1016/j.kscej.2025.100156

基金类别：

Open Research Fund of Hubei Technology Innovation Center for Smart Hydropower [1523020038]; CRSRI Open Research Program [CKWV20231179/KY]; National Natural Science Foundation of China [52279123]; Fundamental Research Funds for Central Public Welfare Research Institutes (Changjiang River Scientiffc Research Institute) [CKSF20241013/GC]

机构署名：

本校为通讯机构

院系归属：

土木工程与建筑学院

摘要：

To withstand the internal water pressure (IWP) in hydroelectric power plants (HPPs), this study designs a spiral case structure (SCS). It can be considered a composite structure made of steel and concrete. The steel component is typically called a steel spiral case (SSC). An SSC embedded in a pressurized condition is featured by the gap between the steel liner the concrete. Seeing that the conventional knowledge concerning gap-closure behavior is challenged by some in-situ data, the present study conducts a complete simulation procedure with the ABAQUS program. The numerical simulations are re...

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Inconsistent gap-closing behavior of spiral case structures in hydropower stations: Mechanism and structural role

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