抗浮锚杆在地下结构抗浮中的耐久性研究进展与发展方向  

Research Progress and Development Direction on Durability of Anti-floating Anchor Acting on Underground Structure

作　　者：白晓宇[1] 王凤姣 桑松魁 何来胜 王雪岭 张胜凯 于龙涛 涂兵雄[5] 许永亮 BAI Xiao-yu;WANG Feng-jiao;SANG Song-kui;HE Lai-sheng;WANG Xue-ling;ZHANG Sheng-kai;YU Long-tao;TU Bing-xiong;XU Yong-liang(School of Civil Engineering,Qingdao University of Technology,Qingdao 266520,China;The Fifth Bureau of China State Construction Engineering Corporation,Changsha 410004,China;China Railway Construction Hengcheng Industry Co.,Ltd.,Zhuhai 519030,China;China Railway Construction Investment(Qingdao)Urban Development and Construction Co.,Ltd.,Qingdao 519030,China;School of Civil Engineering,Huaqiao University,Xiamen 361021,China;China Railway Construction Group Co.,Ltd.,Beijing 100043,China)

机构地区：[1]青岛理工大学土木工程学院,青岛266520 [2]中国建筑第五工程局有限公司,长沙410004 [3]中铁建恒诚实业有限公司,珠海519030 [4]中铁建投(青岛)城市开发建设有限公司,青岛266033 [5]华侨大学土木工程学院,厦门361021 [6]中铁建设集团有限公司,北京100040

出　　处：《科学技术与工程》2022年第19期8165-8176,共12页Science Technology and Engineering

基　　金：山东省自然科学基金重点项目(ZR2020KE009);中国博士后科学基金面上项目(2018M632641);山东省博士后创新项目(201903043)。

摘　　要：锚杆的耐久性问题是当前岩土锚固技术中非常重要但相对薄弱的研究环节,抗浮锚杆工作环境恶劣,常处于水下或干湿交替、荷载波动范围、冻融循环及腐蚀介质等环境中,锚筋极易遭受侵蚀破坏,对抗浮锚杆的耐久性提出了新的挑战。简要介绍了抗浮锚杆的结构及作用机制,明确抗浮锚杆在地下结构中的基本工作原理,对影响抗浮锚杆耐久性的主要因素进行了详细分析,分别介绍了腐蚀环境、黏结剂以及多因素耦合作用对抗浮锚杆长期服役性能的影响,以及对于如何提高抗浮锚杆的耐久性给出解决方法,最后对抗浮锚杆在地下结构中的应用进行了归纳总结,提出了目前仍存在的不足与挑战,并针对抗浮锚杆的耐久性问题提供了相应建议。The durability of anchor rods is a very important but relatively weak research link in the current rock and soil anchoring technology.The working environment of anti-floating anchor rods is harsh,often under water or alternately between dry and wet,load carrier dynamic range,freeze-thaw cycles and corrosive media,etc.The anchor bars are easy to be eroded and destroyed,which poses a new challenge to the durability of anti-floating bolt.The structure and action mechanism of anti-floating bolt were briefly introduced,and the basic working principle of anti-floating bolt in underground structure was clarified.The main factors affecting the durability of anti-floating bolt were analyzed in detail,and the effects of corrosion environment,binder and multi-factor coupling on the long-term service performance of anti-floating bolt were introduced respectively.How to improve the durability of anti-floating anchor rods were given solutions.Finally,the application of anti-floating anchor rods in underground structures was summarized.The shortcomings and challenges that still exist at present were put forward,and corresponding suggestions were provided for the durability of anti-floating anchor bolts.

关 键 词：抗浮锚杆 耐久性 腐蚀环境 多因素耦合 

分 类 号：TU473[建筑科学—结构工程]