Stresses, deformations and damages of various joints in precast concrete segmental box girder bridges subjected to direct shear loading
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DOI: 10.1016/j.engstruct.2019.110151
Abstract: Abstract Precast segmental concrete bridges involve multiple concrete segments joined together by posttensioning, and have the advantages of rapid construction, low-cost, and excellent quality control. Joints that represent locations of discontinuity are prominent factors affecting… read more here.
Keywords: shear loading; box girder; joints precast; subjected direct ... See more keywords
A Numerical Study of Railway Ballast Subjected to Direct Shearing Using the Discrete Element Method
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DOI: 10.1155/2020/3404208
Abstract: Railway ballast is a coarse granular material used to carry train loads and provide drainage for the rail tracks. This study presents numerical explorations of the mechanical performance of ballast aggregates subjected to direct shear… read more here.
Keywords: element method; ballast aggregates; railway ballast; ballast ... See more keywords