Finite element analysis for identifying locations of cracking and hydraulic fracturing in homogeneous earthen dams
نویسندگان
چکیده
Abstract This paper reports a finite element study to identify the locations of crack initiation in homogeneous earthen dam at its post-construction and reservoir operation stages. The steady state transient analyses, including rise-up drawdown conditions, are simulated favorable conditions generation. behavioral response is represented terms developed total stress, horizontal deformations faces, strain accumulation dam, differential settlement base. cracks identified based on negative minor principal stresses faces. For both single-lift multiple-lift modeling techniques, upstream face found be most location for operations (rise-up scenarios), it that hydraulic fracturing may occur either faces specific heights, governed by becoming lesser than pore-water pressure. Depending whether occurs before or after attainment steady-state phreatic level within body pressure distribution notably different. results occurring different heights. It important have thorough understanding tentative dams so proper mitigation measure can adopted as per requirement.
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ژورنال
عنوان ژورنال: International Journal of Geo-Engineering
سال: 2021
ISSN: ['2092-9196', '2198-2783']
DOI: https://doi.org/10.1186/s40703-020-00139-8