Dynamic Response of A Group of Cylindrical Storage Tanks with Baffles Considering the Effect of Soil Foundation  

作　　者：SUN Ying WANG Jia-dong HUO Rui-li ZHOU Ding GU Zhen-yuan QIAN Wang-ping 

机构地区：[1]School of Transportation and Civil Engineering,Nantong University,Nantong 226019,China [2]Faculty of Civil Engineering and Mechanics,Jiangsu University,Zhenjiang 212013,China [3]College of Civil Engineering,Nanjing Tech University,Nanjing 211816,China

出　　处：《China Ocean Engineering》2024年第1期129-143,共15页中国海洋工程（英文版）

基　　金：financially supported by the National Natural Science Foundation of China(Grant Nos.51978336 and 11702117);the Science and Technology Plan Project of Department of Communications of Zhejiang Province(Grant No.2021051);Nantong City Social Livelihood Science and Technology Project(Grant No.MS22022067).

摘　　要：The sloshing in a group of rigid cylindrical tanks with baffles and on soil foundation under horizontal excitation is studied analytically.The solutions for the velocity potential are derived out by the liquid subdomain method.Equivalent models with mass-spring oscillators are established to replace continuous fluid.Combined with the least square technique,Chebyshev polynomials are employed to fit horizontal,rocking and horizontal-rocking coupling impedances of soil,respectively.A lumped parameter model for impedance is presented to describe the effects of soil on tank structures.A mechanical model for the soil-foundation-tank-liquid-baffle system with small amount of calculation and high accuracy is proposed using the substructure technique.The analytical solutions are in comparison with data from reported literature and numerical codes to validate the effectiveness and correctness of the model.Detailed dynamic properties and seismic responses of the soil-tank system are given for the baffle number,size and location as well as soil parameter.

关 键 词：cylindrical tanks multiple annular baffles equivalent analytical model soil−structure interaction subdomain method dynamic response 

分 类 号：TU311.3[建筑科学—结构工程] TU435