Observations of Bridge Performances during the 2010 Earthquake in Chile

被引：0

作者：

Schexnayder, Cliff ^{[1
]}

Alarcon, Luis F. ^{[2
]}

Delpiano Antillo, Eduardo ^{[3
]}

Cifuentes Morales, Bernardo ^{[4
]}

Lopez, Mauricio ^{[2
]}

机构：

[1] Arizona State Univ, Del E Webb Sch Construct, Chandler, AZ 85246 USA

[2] Pontificia Univ Catolica Chile, Sch Engn, Santiago, Chile

[3] Gobierno Chile, Minist Obras Publ, Santiago, Chile

[4] Gobierno Chile, Asesor Dept Riego DOH, Minist Obras Publ, Santiago, Chile

来源：

JOURNAL OF CONSTRUCTION ENGINEERING AND MANAGEMENT | 2014年 / 140卷 / 04期

关键词：

Girder bridges; Design; Diaphragms; Earthquakes; Damage; Seismic effects; Chile; Bridge Design; Concrete-girder bridges; Construction; Earthquake damage; Seismic bars; Shear keys; Construction materials and methods;

D O I：

10.1061/(ASCE)CO.1943-7862.0000632

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

El convenio Departamento de Estado de USA-Programa chileno Fulbright, envio especialistas senior a Chile despues del terremoto Maule 2010 a desarrollar estudios colaborativos con facultades de las principales universidades chilenas. El estudio descrito aqui encontro que puentes construidos con vigas de concreto despues de 1995 sin diafragmas y shearkeys sufrieron danos extensos en tanto que puentes mas antiguos disenados construidos con estos elementos no sufrieron tanto dano de torsion o rotacion sobre el eje vertical. Debido a lo escarpado del talud, muchos terraplenes sufrieron deslizamientos. Muros de contencion de concreto y muros de terraplenes mecanicamente estabilizados no fueron danados. En regiones costeros la licuefaccion indujo asentamiento de cepas y desplazamientolateral lo cual impacto el desempeno de los puentes.

引用

页数：6

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