Seismic Response and Security Assessment of Cross-Fault Hydraulic-Tunnel Lining Structures
نویسندگان
چکیده
The foundation of a seismic safety assessment cross-fault hydraulic tunnels is an acceptable and accurate response. A dynamic contact force algorithm that may take into consideration the interaction between fault–surrounding rock–lining structure was devised in light characteristics various media under activity. quantitative instability criterion using relative displacement ratio as based on cusp catastrophe model. By tunnel Lawa Hydropower Station example, it possible to evaluate assess impacts four working circumstances response lining structure. findings demonstrated haunch exhibited stronger stress responses when subjected exacerbated haunch, bottom arch, top arch lining’s characteristic parts—which ranged size from large small—responded more seismically peak ground acceleration rose. Applying aforementioned criterion, liner could withstand maximum accelerations 0.10 g, 0.20 0.35 respectively. technique offers fresh perspective how tunnel’s structure, study’s can serve guide for design.
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ژورنال
عنوان ژورنال: Buildings
سال: 2023
ISSN: ['2075-5309']
DOI: https://doi.org/10.3390/buildings13092348