Seismic assessment of unanchored steel storage tanks by endurance time method

被引：21

作者：

Alembagheri, M. ^{[1
]}

Estekanchi, H. E. ^{[1
]}

机构：

[1] Sharif Univ Technol SUT, Dept Civil Engn, Tehran, Iran

来源：

EARTHQUAKE ENGINEERING AND ENGINEERING VIBRATION | 2011年 / 10卷 / 04期

关键词：

steel liquid storage tanks; endurance time method; seismic assessment; intensifying dynamic excitation; tank base uplifting; SOIL-STRUCTURE INTERACTION;

D O I：

10.1007/s11803-011-0092-y

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

Liquid storage tanks are essential structures that are often located in residential and industrial areas; thus an assessment of their seismic performance is an important engineering issue. In this paper, the seismic response of unanchored steel liquid storage tanks is investigated using the endurance time (ET) dynamic analysis procedure and compared to responses obtained for anchored tanks under actual ground motions and intensifying ET records. In most cases, the results from ground motions are properly obtained with negligible differences using ET records. It is observed that uplifting of the tank base, which is closely related to the tank aspect ratio, has the greatest significance in the responses of the tank and can be predicted with reasonable accuracy by using currently available ET records.

引用

页码：591 / 603

页数：13

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