scholarly journals Stochastic Seismic Response Analysis of Base-Isolated High-Rise Buildings

2011 ◽  
Vol 14 ◽  
pp. 2468-2474 ◽  
Author(s):  
Changfei Ma ◽  
Yahui Zhang ◽  
Yan Zhao ◽  
Ping Tan ◽  
Fulin Zhou
2014 ◽  
Vol 651-653 ◽  
pp. 1260-1265
Author(s):  
Xiao Ping Su

With the extensive use of HSC in the tall building and super high-rise building, the harm of HSC subjected to fire has also been increasing. For the concrete structure in the seismic region after fire, its seismic performance after repair directly relates to the structure safety under the action of possible earthquake in the future. Based on the experimental data in the preliminary research, seismic response analysis on the repaired HSC structure after fire was made according to the principle of uniform section. The results indicate that the seismic performance of HSC frame structure repaired by the principle of uniform section can be restored to the level before fire. But we should pay more attention to the interlaminar maximum displacement of fire storey, which should be partly strengthened when necessary.


2011 ◽  
Vol 243-249 ◽  
pp. 4627-4633
Author(s):  
Zhi Hua Wang ◽  
Chong Shi Gu

Considering the uncertainty and the time variation of frequency contents of real seismic excitation, a new versatile stochastic strong ground motion model named general stochastic seismic ground motion (GSSGM) model is presented in this paper. Some essential assumptions for the earthquake process used in this paper are first given. The intensity and energy of the target seismic ground motion are used to determine the model parameters. The frequency contents are demanded to be agreed with the main characteristics of the target ground motions. The GSSGM model is appropriate to simulate the stationary, intensity non-stationary and fully non-stationary stochastic processes. Additionally, a simple non-stationary stochastic seismic response analysis procedure based on the GSSGM model and the pseudo excitation theory is put forward. The presented non-stationary stochastic seismic response analysis procedure is later applied in the seismic response analysis of a real homogeneous earth dam. The non-stationary analysis results display the effects of non-stationarity on the seismic response of the dam and reflect the main phenomena of dynamic embankment-foundation interaction. The results indicate that the GSSGM model and the presented analysis procedure are effective.


2010 ◽  
Vol 16 (32) ◽  
pp. 75-80
Author(s):  
Zhongyu SU ◽  
Kotaro SATO ◽  
Hidenori KAWABE ◽  
Keiichiro SUITA ◽  
Yasuhiro HAYASHI ◽  
...  

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