AN EXPERIMENTAL-STUDY OF STATIC AND DYNAMIC-RESPONSES OF PRESTRESSED CONCRETE BOX GIRDER BRIDGES

被引：13

作者：

MIRZA, MS ^{[1
]}

FERDJANI, O ^{[1
]}

HADJARAB, A ^{[1
]}

JOUCDAR, K ^{[1
]}

KHALED, A ^{[1
]}

RAZAQPUR, AG ^{[1
]}

机构：

[1] CARLETON UNIV,DEPT CIVIL ENGN,OTTAWA K1S 5B6,ONTARIO,CANADA

来源：

CANADIAN JOURNAL OF CIVIL ENGINEERING | 1990年 / 17卷 / 03期

关键词：

D O I：

10.1139/l90-052

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

Experimental data from static and dynamic tests on 1/7-scale direct models of simply supported, one- and two-cell, box girder bridges are presented. Variation of flexural and torsional stiffnesses and dynamic characteristics, such as the natural frequency of vibrations and damping ratios of the bridge models at different levels of cracking damage, are examined; in turn, these dynamic characteristics can be used to estimate the cracking damage in the bridge. The physical model proved to be an adequate tool for the study of static and dynamic responses of box girder bridges at all load levels.

引用

页码：481 / 493

页数：13

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