锚垫板锚固区传力试验——钢筋混凝土构件裂缝扩展技术研究  

Load Transfer Test in Anchorage Zone of Anchor Pads--Research on Crack Propagation Technology of Reinforced Concrete Members

作　　者：周振兴 王俊华 王超奇 ZHOU Zhenxing;WANG Junhua;WANG Chaoqi(Sinosteel Zhengzhou Metal Products Research Institute Co.,Ltd.,Zhengzhou,Henan Province,450000 China)

机构地区：[1]中钢集团郑州金属制品研究院有限公司,河南郑州450000

出　　处：《科技创新导报》2021年第20期21-23,共3页Science and Technology Innovation Herald

摘　　要：锚具锚垫板因具有良好的传力性能,在预应力混凝土结构中被广泛应用,目前我国对锚具锚垫板产品的相关标准中关于其传力性能试验描述不够详细、明确,存在一定的技术难题,给检测工作带来不便。本文通过对锚垫板锚固区进行传力试验,研究其应力状态和构件裂缝扩展情况,以及裂缝形态和破坏荷载来完善锚垫板锚固区传力试验的相关技术方法,为预应力结构的使用寿命和安全性提供参考。Anchorage anchor pad is widely used in prestressed concrete structure because of its good force transfer per formance.At present,the test descr iption on its force transfer per formance in the relevant standards of anchorage anchor pad products in China is not detailed and clear,and there are certain technical problems,which brings inconvenience to the testing work.In this paper,through the force transfer test of the anchor pad anchorage zone,the stress state and crack propagation of the component,as well as the crack shape and failure load a re studied to improve the relevant technical methods of the force transfer test of the a nchor pad anchorage zone,so as to provide reference for the service life and safety of the prestressed structure.

关 键 词：工程材料 锚固区传力 试验研究 锚垫板 裂缝扩展 破坏荷载 

分 类 号：TU37[建筑科学—结构工程]