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应县木塔环境振动试验
温瑞智; 周正华; 毛国滨; 周雍年; 吴惟廉; 任增云
Source Publication地震工程与工程振动
2006
Issue4Pages:136-140
ISSN1000-1301
Abstract对于复杂的塔状古建筑物,建立一个合适的简化的数学模型是不易实现的.与强迫振动试验相比,环境振动试验比较简单、方便,所确定出的小振幅水平下的木塔结构动力特性具有足够的精度.本文首先结合应县木塔结构环境振动测试实例对环境振动测试方法作了简要介绍,并采用随机信号数据频域分析方法对测试数据进行了分析,确定木塔结构的自振频率.同时,依据不同测点在固有频率处响应的比及零迟时互相关函数确定木塔结构的振型.最后,本文依据自功率谱和互功率谱采用半功率点法计算各振型的阻尼比.本文分析结果表明,在两水平方向上木塔的振动特性存在
Subject Area力学
Indexed By国内刊物
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/16920
Collection力学所知识产出(1956-2008)
Recommended Citation
GB/T 7714
温瑞智,周正华,毛国滨,等. 应县木塔环境振动试验[J]. 地震工程与工程振动,2006,4,:136-140.
APA 温瑞智,周正华,毛国滨,周雍年,吴惟廉,&任增云.(2006).应县木塔环境振动试验.地震工程与工程振动(4),136-140.
MLA 温瑞智,et al."应县木塔环境振动试验".地震工程与工程振动 .4(2006):136-140.
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