大跨排架结构自振周期影响因素分析  

THE INFLUENCING FACTORS OF NATURAL PERIOD OF VIBRATION IN LARGE SPAN BENT FRAME

作　　者：刘香[1] 吴永博[2] 周平[1] 史智亭[3] 

机构地区：[1]内蒙古科技大学建筑与土木工程学院,包头014010 [2]包钢规划部设计管理处,包头014010 [3]中冶东方工程技术有限公司,包头014010

出　　处：《工业建筑》2008年第z1期625-627,635,共4页Industrial Construction

摘　　要：以单层厂房排架结构为研究对象,利用Hamilton原理和最小势能原理,分析了竖向荷载和基础埋深对大跨排架结构自振周期的影响,并给出抗震设计时自振周期的修正系数计算公式,为排架结构抗震设计研究提供了一定的理论依据。The single-story industrial building bent frame is tsken as the research object, using Hamilton principle and minimum potential energy principle,The influencie of the vertical load and the depth of burying foundation on natural period of vibration in the large span bent frame is analyzed.The correction coefficient formula of natural period of vibration is given when the seismic design is calculated.Which provides a theoretic basis for research on bent frame seismic design.

关 键 词：排架结构 自振周期 影响因素 

分 类 号：TU311.3[建筑科学—结构工程]