摘要
锚固技术广泛应用于工程支护领域。文中通过建立粘结式锚杆系统有限元数值模型,探讨了粘结式锚固系统荷载传递机理、应力分布及演化规律。研究表明,(1)锚固界面剪应力先增加后呈负指数递减;(2)轴向应力也呈现负指数递减规律;(3)锚固体界面剪应力主要分布在锚杆前端,并且呈现先增加再减小的规律。
Anchorage technology is widely used in the field of engineering support・In this paper,the load transfer mechanism,stress distribution and evolution law of the bond anchor system are discussed by establishing the finite element numerical model of the bond anchor system.Conclusions:(1)The shear stress at the anchoring interface increases firstly and then decreases exponentially.(2)Axial stress also decreases exponentially.(3)The shear stress is mainly distributed at the front,and it increases firstly and then decreases.
作者
张守文
Zhang Shouwen(Guangzhou Urban Planning&Design Survey Research Institute,Guangzhou,Guangdong 510060)
出处
《江西建材》
2020年第6期38-39,共2页
Jiangxi Building Materials
