Service Life Prediction of Flexible Concrete Mattresses (FCMs) in the Yangtze River

Pingyi Wang, Ye Tian (), Meili Wang and Genting Guo
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Pingyi Wang: National Engineering Research Center for Inland Waterway Regulation of Chongqing Jiaotong University, Chongqing 400074, China
Ye Tian: National Engineering Research Center for Inland Waterway Regulation of Chongqing Jiaotong University, Chongqing 400074, China
Meili Wang: College of Architecture and Urban Planning, Chongqing Jiaotong University, Chongqing 400074, China
Genting Guo: Guangdong No.2 Hydropower Engineering Company, Ltd., Guangzhou 511340, China

Sustainability, 2023, vol. 15, issue 4, 1-11

Abstract: Many scholars have studied the failure mechanism of waterway regulating structures, but there is still a need to improve research on their reliability and service life in the industry. Currently, flexible concrete mattresses (FCMs) are the regulating structure widely used on the Yangtze River Golden Waterway, so it is important to study their service life. The stability function has been built based on the mechanism of stability against sliding and a time-varying reliability model. Experiments have been conducted to analyze the critical failure load of FCMs, determine the influence parameters, and derive a service life calculation formula. Finally, the middle reaches of the Yangtze River were taken as an example for analysis.

Keywords: flexible concrete mattresses; time-varying; critical failure load; service life (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2023
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