Full-scale experimental measurement of barge impact loads on bridge piers

被引:0
作者
Consolazio, Gary R.
Cowan, David R.
Biggs, Alexander
Cook, Ronald A.
Ansley, Marcus
Bollmann, Henry T.
机构
[1] Univ Florida, Dept Civil & Coastal Engn, Gainesville, FL 32611 USA
[2] Florida Dept Transportat, Struct Res Ctr, Tallahassee, FL 32399 USA
来源
SOIL MECHANICS 2005 | 2005年 / 1936期
关键词
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中图分类号
TU [建筑科学];
学科分类号
0813 ;
摘要
Bridges that span navigable waterways must be designed to resist potential impact loads associated with barge or ship collisions. Despite this fact, few experimental data have been collected about the magnitude and nature of such loads. Vessel-impact components of bridge design specifications. such as the AASHTO bridge design provisions, are therefore based on limited experimental data. Recently, a bridge in the United States (Florida) was replaced with a new structure and thus afforded a unique opportunity to conduct full-scale barge impact tests on piers of the preexisting structure before it was demolished. Tests were conducted on two piers with fundamentally different types of foundation systems. Tests on one pier also were repeated in two structural configurations (with the superstructure present and then with it removed). In each test, instrumentation and high-speed data acquisition systems were used to quantify the dynamic loads generated during controlled collision events. Experimental procedures used during the tests are described, and selected test results are presented, including experimentally measured dynamic impact loads and associated barge deformations. Comparisons are then presented between experimentally collected data and the current AASHTO barge impact bridge design provisions.
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页码:81 / 93
页数:13
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