| 混凝土强度和钢管厚度对钢管混凝土排架结构抗震性能的影响 |
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| 引用本文： | 陈娟,张燎军.混凝土强度和钢管厚度对钢管混凝土排架结构抗震性能的影响[J].水电能源科学,2011,29(11):90-93. |
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| 作者姓名： | 陈娟 张燎军 |
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| 作者单位： | 1. 河海大学土木与交通学院,江苏南京,210098
2. 河海大学水利水电学院,江苏南京,210098 |
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| 摘 要： | 基于某水电站厂房钢管混凝土排架结构的构造形式和受力特点,建立了其上部厂房排架结构的整
体三维有限元模型,计算了钢管混凝土排架结构的自振频率，并采用时程分析法计算了钢管混凝土排架结
构的地震响应,研究了水平地震作用下混凝土强度、钢管厚度对排架结构抗震性能的影响，以期为水电站
厂房钢管混凝土排架结构设计提供参考。
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| 关 键 词： | 钢管混凝土 排架结构 混凝土强度 钢管厚度 抗震性能 |
Influence of Concrete Strength and Steel Pipe Thickness on Aseismic Performance of Concrete filled Steel Tubular Bent Structure |
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| CHEN Juan,ZHANG Liaojun.Influence of Concrete Strength and Steel Pipe Thickness on Aseismic Performance of Concrete filled Steel Tubular Bent Structure[J].International Journal Hydroelectric Energy,2011,29(11):90-93. |
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| Authors: | CHEN Juan ZHANG Liaojun |
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| Abstract: | According to the stress characteristics and structural pattern of concrete
filled steel tubular bent structure of a hydropower house, 3D finite element model of bent
structure for upper power house is established. The natural vibration frequency of concrete
filled steel tubular structure is calculated. And then the seismic response of concrete
filled steel tubular bent structure is analyzed by using time history analysis method.
Finally, the influence of concrete strength and steel pipe thickness on aseismic
performance of concrete filled steel tubular bent structure is studied under the action of
horizontal earthquake. Therefore, it can provide reference for bent structure design of
concrete filled steel tube of hydropower house. |
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| Keywords: | concrete filled steel tube bent structure concrete strength steel pipe thickness aseismic performance |
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