摘要
在液压作用下,建造在软土地基上的储罐容易产生各种沉降变形。储罐的稳定性对沉降变形十分敏感,其中罐周的不均匀沉降对储罐稳定最为不利。对1:16的模拟储罐(直径5m,高1.44m)进行不均匀沉降的光纤光栅应变测试实验,将测试结果与有限元分析模拟结果比对。结果表明,罐壁上,沉降造成的主要应力沿储罐轴线方向,罐壁上的最大应变值发生于沉降过程中,凸显出在线动态监测的重要性。
Under the action of hydraulic pressure,the storage tanks built on soft soil foundation are prone to produce various settlement and deformation.The stability of the tank is very sensitive to settlement deformation, and the uneven settlement around the tank is the most disadvantageous to the stability of the tank.In this paper, al:16 simulated tank(5 m in diameter, 1.44 m in height was tested by fiber grating strain measurement with uneven settlement, and the results were compared with those of finite element analysis.The results show that the main stress on the tank wall is along the axis of the tank, and the maximum strain on the tank wall occurs during the settlement process, which highlights the importance of on-line dynamic monitoring.
作者
赵永涛
林聿明
赵星有
ZHAO Yong-tao;LIN Yu-ming;ZHAO Xing-you(CNPC Research Institute of Safety&Environment Technology,Beijing,102206,China)
出处
《新疆石油天然气》
CAS
2019年第1期90-92,96,6,共5页
Xinjiang Oil & Gas
基金
国家重点研发计划课题资助(2016YFC0801205)
关键词
模拟储罐
不均匀沉降
应变测试
有限元分析
Simulated storage tank
Differential settlement
Strain testing
finite element analysis
