Assessment of Masonry Arch Behaviour through Photogrammetric Models and the Finite Element Method

被引：0

作者：

Caamano, J. C. ^{[1
]}

Alvarez, A. ^{[2
]}

Armesto, J. ^{[3
]}

Riveiro, B. ^{[3
]}

机构：

[1] Univ Vigo, Dept Mat Engn Appl Mech & Construct, Vigo, Pontevedra, Spain

[2] Univ Vigo, Sch Ind Tech Engn, Vigo, Pontevedra, Spain

[3] Univ Vigo, Dept Nat Resources & Environm Engn, Vigo, Pontevedra, Spain

来源：

PROCEEDINGS OF THE TENTH INTERNATIONAL CONFERENCE ON COMPUTATIONAL STRUCTURES TECHNOLOGY | 2010年 / 93卷

关键词：

close range photogrammetry; masonry arches; geometric model; discontinuous models; finite element analysis; failure load; CLOSE-RANGE PHOTOGRAMMETRY; DIGITAL PHOTOGRAMMETRY;

D O I：

暂无

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

This document presents a multidisciplinary approach to documentation and assessment of masonry arch bridges, integrating digital close range photogrammetry processes, computer-aided design and engineering techniques, using finite element analysis. Close range photogrammetry can generate high fidelity 3D models with the actual geometry of each element that forms the bridge. This level of detail allows to build up an accurate arches micro-model for structural analysis. This model discretizes and analyzes each voissoir separately, considering the individual geometry and the behavior of each unit in contact with no tensile strength in the joints. For failure load estimation process, the graph of loads versus displacement is obtained through an iterative computation process in which live load has been gradually increased.

引用

页数：11

共 15 条

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