某体育馆屋面预应力梁的现场检测和加固方法探讨

Discussion on Field Inspection and Strengthening Method of Prestressed Beams on Roof of a Gymnasium

预应力混凝土结构因其抗裂性能好、强度高等优点,已广泛应用于各建筑工程中。但是,随着大量预应力混凝土结构的应用,既有预应力混凝土构件的现状检测和加固也随之发展。本文以某学校体育馆屋面改造为例,介绍了大跨预应力梁的设计特点,并对拟改造区域预应力梁的现场检测和加固方式进行了探讨,为相关工程案例的前期检测工作提供参考。

Prestressed concrete structures have been widely used in various construction projects due to their good crack resistance and high strength.However,with the application of a large number of prestressed concrete structures,the field inspection and strengthening of the existing prestressed concrete structure components have also developed accordingly.Taking the roof reconstruction of a school gymnasium as an example,this paper introduces the design characteristics of large-span prestressed beams,explores the field inspection and strengthening methods of prestressed beams in the proposed renovation area.It provides reference for the early detection work of relevant engineering cases.