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从结构的检测与评估、结构加固、结构废弃处置的方法与分类等方面,较为系统地构建了城市既有地下工程结构处置的体系。地下工程结构的检测要尽可能采用非破损方法;结构构件与体系的评估宜分别按安全性、正常使用性和耐久性采用分级形式进行评定。总结了地下混凝土结构与砌体结构加固的主要加固方法并提出了结构废弃处置的方法及分类。结构的废弃处置可采用原结构彻底清除、结构空腔填充法与结构加固封堵法等处置方法;单建式与附建式地下工程需采用不同的废弃处置方法。
From the aspects of structure detection and evaluation, structural reinforcement, methods and classification of structural disposal, etc., the system of disposing of existing underground structures in urban areas is systematically constructed. The detection of underground engineering structures should adopt non-destructive methods as far as possible. The assessment of structural components and systems should be assessed in a hierarchical manner according to safety, normal usability and durability respectively. The main reinforcement methods of underground concrete structure and masonry structure reinforcement are summarized and the methods and classification of structure disposal are proposed. Disposal of the structure can be completely eliminated the original structure, the structure of the cavity filling method and the structure of the closure method and other methods of disposal; single-builded and attached to the construction of underground works require the use of different disposal methods.