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(中國建筑科學研究院，北京 100013)

［摘要］闡述了《混凝土結構設計規(guī)范》修訂中的基本構造問題，包括：確定伸縮縫間距的原則；根據(jù)耐久性要求對保護層厚度的調整；錨固長度的調整及機械錨固措施；鋼筋連接的原則及對各類型接頭的基本要求；以及受力鋼筋最小配筋率的調整。

［關鍵詞］伸縮縫；混凝土保護層厚度；錨固；連接；最小配筋率

中圖分類號：TU318-4文獻標識碼：A文章編號：1002-848X(2011)05-0125-05

Introduction of revision of Code for design of concrete structure part Ⅳ:Basic structure measure problems

Liu Gang, Xu Youlin(China Academy of Building Research, Beijing 100013, China)

Abstract:The basic structure measure problems in the revision of Code for design of concrete structure were described, mainly including: the principle of identifying the expansion joints spacing, the adjustment of thickness of concrete cover according to the durability requirements,the revision to the anchorage length and the measures of the mechanical anchorage, the principle of reinforcement connection and the basic requirements of various types of joints, and the adjustment of minimum ratio of the stressed reinforcement.

Keywords:expansion joint; thickness of concrete cover; anchorage； connection； minimum ratio of reinforcement

作者簡介：劉剛，工程師，碩士；徐有鄰，研究員，博士；本文由徐有鄰執(zhí)筆。