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随着预应力技术的快速发展,体外预应力技术用于加固跨径较大的桥梁,经实桥检测表明加固效果良好。道路桥梁施工预应力工艺较复杂,在预应力施工中要不断采用新技术、新材料以及新工艺,加强对施工人员的技能培训,提高操作水平,严格按照规范办事,防止安全事故的发生,以保证工程的顺利施工,缩短施工周期,并对公路桥梁施工中预应力技术的发展、技术要点和施工方法进行了探讨。
With the rapid development of prestressed technology, external prestressing technology is used to reinforce the bridge with larger span and the actual bridge test shows that the reinforcement effect is good. The prestressing technology of road and bridge construction is complex. In the process of prestressed construction, new technologies, new materials and new techniques should be constantly adopted to enhance the skill training of construction personnel, improve the operation level, act in strict accordance with norms and prevent the occurrence of safety accidents. Ensure the smooth construction of the project, shorten the construction period, and discuss the development, technical points and construction methods of prestressing technology in highway bridge construction.