【摘要】 预制拼装综合管廊具有构件质量好、现场工期短、环境影响小、大幅缩减基坑支护时间、降低支护要求、大量减少模板和支撑、节省人工等优点,社会、经济和环境效益显著。结合编制组系统完成的预制拼装综合管廊结构技术研发与工程应用成果,本文介绍了中国工程建设标准化协会(CECS)标准《预制拼装综合管廊结构设计规程》的适用范围、结构设计计算和结构防水设计的主要技术规定。本标准的编制将为我国预制拼装综合管廊结构的设计提供依据。更多还原

【Abstract】 The precast concrete utility tunnel has the advantages of higher quality control,short site construction period,lower environmental impact,greatly reducing the time and requirements for foundation pit supporting,and significant reduction in formwork,scaffolding and site labor.It can bring remarkable social,economic and environmental benefits.Based on the engineering applications of precast concrete utility tunnel structure and systematic research results by the code establishment group,the Design Code for Precast Concrete Utility Tunnel Structures which issued by China Association for Engineering Construction Standardization(CECS) was introduced in this paper.And the content covers key technology of the code,such as the scope of application,structural design and calculation,and the main technical provisions for waterproof design of structure.The code establishment would provide the basis for the design of precast concrete utility tunnel structures in China.更多还原