Structural analysis of Monforte de Lemos masonry arch bridge considering the influence of the geometry of the arches and fill material on the collapse load estimation
作者： B. Conde , L. Díaz-Vilariño , S. Lagüela , P. Arias
DOI: 10.1016/J.CONBUILDMAT.2016.05.107
关键词: Limit analysis 、 Arch 、 Computation 、 Collapse (topology) 、 Engineering 、 Bridge (interpersonal) 、 Geometry 、 Basis (linear algebra) 、 Nonlinear system 、 Structural engineering 、 Masonry
摘要: Abstract In this paper the structural assessment of an in-service mediaeval masonry arch bridge is presented. The geometry used to perform computations based on a precise terrestrial laser scanning survey. Considering these real data, influence collapse load estimation four arches comprising addressed. With purpose, several assumptions regarding different geometric representations are developed and examined basis both rigid block limit analysis nonlinear finite element models. impact simplified for approaches analyzed discussed. addition, other relevant features such as effects also investigated. Finally, explicitly consider contribution fill material in procedure assessed. Nonlinear models including arch-fill interaction that aim.
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