Structural evaluation of historic masonry arch bridges based on first hinge formation

被引：14
|
作者：
Carr, A. J. [1 ]
Jauregui, D. V. [1 ]
Riveiro, B. [2 ]
Arias, P. [3 ]
Armesto, J. [3 ]
机构：
[1] New Mexico State Univ, Coll Engn, Dept Civil Engn, Las Cruces, NM 88003 USA
[2] Univ Vigo, Dept Mat Engn Appl Mech & Construct, Sch Ind Engn, Vigo 36310, Spain
[3] Univ Vigo, Dept Nat Resources & Environm Engn, Sch Min Engn, Vigo 36310, Spain
来源：
CONSTRUCTION AND BUILDING MATERIALS | 2013年 / 47卷
关键词：
Arch capacity; Hinge formation; Serviceability; Photogrammety; Collapse mechanism; Masonry bridges; Historic preservation; PHOTOGRAMMETRY;
D O I：
10.1016/j.conbuildmat.2013.05.084
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
Galicia, a Northwest region of Spain, cohtains numerous historic masonry arch bridges but little is known regarding their live-load capacities. Several of these bridges carry modern vehicular traffic and have been surveyed using advanced geomatic techniques. In this paper, close-range photogrammetry data are used to develop structural models of a Galician bridge. Elastic analyses are performed considering variations in arch geometry and stiffness to determine the live-load capacity based on first hinge formation and aimed at serviceability and historic preservation of the bridge. Comparisons are finally made with the plastic limit load to evaluate the proximity to a collapse mechanism. (C) 2013 Elsevier Ltd. All rights reserved.
引用
收藏
页码：569 / 578
页数：10
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