搜索结果: 1-4 共查到“桥涵工程 bridges”相关记录4条 . 查询时间(0.074 秒)
New Technologies in Short Span Bridges: A Study of Three Innovative Systems
Short Span Bridges Three Innovative Systems
2014/10/22
Short span bridges are commonly used throughout the United States to span small waterways and highway overpasses. New technologies in the civil engineering industry have aided in the creation of many ...
Evaluation of Live-Load Distribution Factors (LLDFs) of NEXT Beam Bridges
Live-Load Distribution Factors NEXT Beam Bridges
2014/10/22
A new precast-prestressed cross section was recently developed by a consortium of engineers from the six New England states, New York and members of the northeast region of PCI. The northeast extreme ...
Material Characterization and Structural Response of Historic Truss Bridges
Material Characterization Structural Response Historic Truss Bridges
2014/10/22
Historic truss bridges are examined in this thesis through material characterization of wrought iron and structural evaluation of an early 20th century pony truss bridge. The mechanical properties of ...
May 18, 2007，Engineers at Massachusetts Institute of Technology have developed a new technique for detecting damage in concrete bridges and piers that could increase the safety of aging infrastructure...