[提要]  环氧涂层钢筋能有效地防止钢筋锈蚀，用于混凝土结构耐久性设计。由于表面状态改变，环氧涂层钢筋的粘结锚固性能受到削弱。作者通过拉拔试验探讨了其粘结锚固机理、锚固特性及锚固强度，并通过梁锚试验加以验证。在此基础上，由可靠度分析提出了锚固长度设计值的建议。
[关键词]  环氧涂层钢筋 锚固性能 锚固长度

Epoxy resin coated bar can prevent steel bar from rust and has been applicated for durability design of reinforced concrete structure. Anchorage-bond properties of epoxy resin coated bar are weakened because of the change of surface in rebars. Based on pull-out bond tests and beam anchorage experiments, the paper discusses the bond-anchorage mechanism, properties and strength. Then the design of anchoring length by reliability analysis is proposed.
Keywords: epoxy resin coated bar; anchorage properties; anchoring length