徐有邻    王晓锋
    （中国建筑科学研究院  北京 100013）

[提要]  通过对混凝土结构中受力钢筋的锚固机理、影响因素的分析，对新修订国家标准《混凝土结构设计规范》( GB50010-2002)中锚固长度及修正方法作了详细说明，并介绍了新增的钢筋机械锚固的有关内容。
[关键词]  混凝土结构  钢筋  锚固长度

The anchoring length of reinforcements in concrete structures and its adjustment, which were stipulated in the new version of national standard  Code for Design of  Concrete Structures ( GB50010-2002), are explained through the analysis of anchorage mechanism and its influence factors. Relevant contents about mechanical anchorage of reinforcements, which is newly added in the new version, are also introduced.
Keywords: concrete structures; reinforcements; anchoring length; design code