摘要
在季节性冻土区,由于气温变化,输电线塔杆地基经常会产生冻融破坏,从而导致其产生偏移,造成严重的经济损失。由于冻融循环作用,导致辽源地区混凝土基础周围土体结构弱化,发生冻胀融沉破坏,为分析基础冻胀融沉破坏发生的原因,以水热力耦合方程为理论基础,通过仿真模拟分析法,分析输电线路基础在冻融循环作用下产生偏移的原因,并预测地基力学性能薄弱的月份,为季节性冻土区基础工程建设提供参考。
In seasonal frozen soil areas,the foundation of transmission line tower often experiences the freeze-thaw damage due to temperature changes,resulting in displacement and serious economic losses.Because of the freeze-thaw cycle,the soil structure around the concrete foundation in Liaoyuan area weakens,and the freeze-thaw settlement occurs.In order to analyze the reason that the frost heave and thaw settlement of the foundation occur,based on the hydrothermal coupling equation,the simulation analysis is used to analyze the reasons for the deviation of foundations of transmission line under the freeze-thaw cycles,and predict the month with weak mechanical properties of the foundation,while providing references for the constructions of foundation engineering in seasonal frozen soil areas.
作者
邓振鹏
潘殿琦
黄非
岳科宇
刘华南
DENG Zhenpeng;PAN Dianqi;HUANG Fei;YUE Keyu;LIU Huanan(School of Prospecting and Surveying Engineering,Changchun Institute of Technology,Changchun 130021,China;State Grid Jilin Province Electric Power Co.,LTD.,Liaoyuan Power Supply Company,Liaoyuan Jilin 136200,China)
出处
《长春工程学院学报（自然科学版）》
2023年第4期12-17,共6页
Journal of Changchun Institute of Technology：Natural Sciences Edition
基金
国网吉林省电力有限公司科技资助项目(2022JBGS-07)
吉林省科技厅项目(20230203130SF)。
关键词
冻胀
融沉
结构弱化
frost heave
thaw settlement
structure weakening
作者简介
邓振鹏(1997-),男(汉),河北沧州人,在读硕士主要研究地质工程、防灾减灾工程;通信作者:刘华南(1987-),男(汉),辽宁昌图人,博士,副教授主要研究地质工程、防灾减灾工程。
