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本文介绍了在钢梁、预应力工字梁和箱形梁中,应用就地张拉的预应力混凝土桥面板预制块件的优点及建议的连接细节。还叙述了最近一座桥的计划。该桥是按照最新的AASHTO(美国各州公路与运输工作者协会)规范进行设计的。最近几年在美国,就地张拉预应力桥面板的预制块件,已在各种桥型中得到应用。它们已经应用在州和市的桥梁上,而且能完全适应于跨越公路、铁路或河道的宽或高的
This paper presents the advantages and recommendations of the prefabricated concrete deck slab prefabricated pieces using in situ tensioning in steel girders, prestressed I-beams and box girders. Also described the plan of a recent bridge. The bridge was designed in accordance with the latest AASHTO (American Association of State Highway and Transport Workers) specifications. In the United States in recent years, prefabricated blocks of prestressed bridge deck have been tensioned in situ and have been used in various bridge types. They have been used on bridges between states and municipalities and are perfectly adapted to the wide or high