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This paper presents a probabilistic decision approach for safety risk analysis for metro construction in complex project environments. An expert confidence index is proposed for the fuzzy probability estimation of basic events, aiming to ensure the reliability of collected data during the expert investigation. An approach for defuzzification is developed in a precise way based on the representation...
This paper presents a systematicapproach for Overall Process Safety Management (OPSM) in tunnel construction, including safety system design, analysis, control and effect assessment. Wuhan Yangtze Metro Tunnel in China is used for a case study. A slurry shield machine is required to pass through Wuhan Ventilation Shaft with a cover depth of 42m, a hydraulic pressure of 0.44MPa and a curve radius of...
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