钢板混凝土组合地下群罐罐壁受力性能分析  

Stress Performance Analysis of Steel Plate Concrete Composite underground Group Tank Wall

作　　者：张昊[1] 高旭 谌磊 ZHANG Hao;GAO Xu;CHEN Lei(School of Civil Engineering,Henan University of Technology,Zhengzhou 450001,China)

机构地区：[1]河南工业大学土木工程学院,郑州450001

出　　处：《安阳工学院学报》2024年第4期67-72,共6页Journal of Anyang Institute of Technology

基　　金：河南省科技攻关项目(242102110130)。

摘　　要：为探究钢板-混凝土组合地下群罐罐壁在施工回填过程中的受力性能,本研究对某实际地下群罐工程开展了现场试验,分析群罐罐壁在填土过程中外侧土压力以及环向和竖向钢筋的应力变化规律。结果表明:在土压力作用下,罐壁整体呈受压状态,环向及竖向应力最大值皆位于罐壁中部位置;罐壁竖筋应力均大于环筋应力,且最大应力约是环筋最大应力的1.5~2倍;土压力实测值分别是理论计算得到的被动土压力、静止土压力和主动土压力的0.49倍、2.01倍和6.32倍,为保证地下群罐结构受力的安全性,建议采用被动土压力作为设计用土压力。In order to explore the mechanical performance of the steel plate concrete composite underground group tank wall during the construction backfilling process,this study carried out field tests in an actual underground group tank project,and analyzed the lateral earth pressure of the group tank wall during the filling process and the stress variation law of the circumferential and vertical steel bars.The results show that under the action of earth pressure,the whole tank wall is in a state of compression,and the maximum circumferential and vertical stresses are located in the middle of the tank wall.The stress of the vertical reinforcement of the tank wall is greater than that of the ring reinforcement,and the maximum stress is about 1.5~2 times that of the ring reinforcement.The measured values of earth pressure are 0.49 times,2.01 times and 6.32 times of the passive earth pressure,static earth pressure and active earth pressure obtained by theoretical calculation,respectively.In order to ensure the safety of the underground group tank structure,it is recommended to use passive earth pressure as the design earth pressure.

关 键 词：地下群罐 受力性能 组合结构 土压力 

分 类 号：TU501[建筑科学—建筑技术科学]