《混凝土结构工程施工规范》GB50666—2011编制简介——预应力工程

Introduction of Code for Construction of Concrete Structures GB50666—2011:Prestressed Concrete

《混凝土结构工程施工规范》GB50666—2011中预应力工程一章全面系统地规定了先张法和后张法、有黏结和无黏结预应力施工的技术及质量控制要求,包括一般规定、材料、制作与安装、张拉和放张、灌浆与封锚、质量检查等。规范编制中综合考虑了我国预应力工程施工技术的发展现状,参考了国外先进国家的标准,并适当提高了质量控制标准。介绍了规范中预应力工程章节的主要内容、技术特点、编制背景等,并指出应用中需注意的事项。

The requirements of construction technology and quality control for post-tensioned and pre-tensioned bonded and unbonded prestressed concrete are specified systematically in chapter VI of Code for construction of concrete structures GB 50666—2011 in detail,including general requirements,materials,fabrication and installation,tensioning and cutting,grouting and anchorage protection,quality control,and so on.The state-of-the-art of prestressed technology in china is considered comprehensively,and the standards of advance countries are referenced in the code.The requirements of quality control are improved properly.The main contents,technical characteristics and background are introduced,and the problems deserving attention for application are proposed.