【摘要】 介绍了一片短线法生产的20 m折线布束先张预应力混凝土梁的构造,给出了包括加载系统、加载方案、传感器的布置、数据的采集方法等的该梁静载试验方案和试验结果,分析了该梁在静载下的行为和使用性能,指明折线先张法技术在中小跨度桥梁上应用的可行性和优越性。更多还原

【Abstract】 In light of the current situation of research on highway bridges at home,this paper introduces the design of a 20m curve strand pre-tensioned beam,and studies its service behavior through static test,explaining the feasibility of curve strand pretension technique applied to small and middle span bridges.更多还原