| 随机地震模型及反应谱分析 |
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| 引用本文： | 戴湘和 张宪宏. 随机地震模型及反应谱分析[J]. 地震工程与工程振动, 1995, 15(2): 118-127 |
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| 作者姓名： | 戴湘和 张宪宏 |
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| 作者单位： | 长江科学院，清华大学 中国武汉 430010，中国北京 100000 |
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| 摘 要： | 本文以实际地震加速度的频谱特性和相位谱特性为依据，仿概率统计理论中的高斯概率密度函数，建立了随机地震加速度频数学模型。
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| 关 键 词： | 随机地震模型 反应谱 建筑 抗震设计 |
A RANDOM SEISMIC MODEL AND ANALYSIS OF RESPONSE SPECTRA |
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| Dai Xianghe. A RANDOM SEISMIC MODEL AND ANALYSIS OF RESPONSE SPECTRA[J]. Earthquake Engineering and Engineering Vibration, 1995, 15(2): 118-127 |
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| Authors: | Dai Xianghe |
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| Affiliation: | Dai Xianghe (Yangtze River Research Academy)Zhang Xianhong (Tsinghua University) |
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| Abstract: | On the basis of Fourier-amplitude-spectra properties of deterministic earthquake accelerations and by imitating Gauss's probability density function,the paper constituted a mathematicalmodel of random earthquake acceleratioon Fourier-amplitude-spectra. By means of assuming different model parameters a series of random earthquake acceleration response spectra were obtained with a special computer program. According to well acknowledged data of ground motion the paper divided earthquake acceleration response spectra into three groups (of maximum value mean and minimum) corresponding to the geotechnical conditions of earthquake site as a criterion. Detailed comparison was made for the obtained acceleration response spectra with Housner's average acceleration spectrum,El Centro earthquake acceleraion (1940. 5.18,N-S) response spectrum and the Chinese standard response spectra for aseismic design (1978). |
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| Keywords: | Random Seismic Model Response Spectrum |
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