Research of Dynamic Properties on Roof in Ancient Timber Buildings
Take the roof of the palace timber structure as the study object,establishing its roof-beams layer model according to thestmctural requirements of the Ying-tsao fa-shih．By the analysis of the dynamic properties with ANSYS finite element software and shakingtable test，it obtains the structural dynamic performance and the maximal response of its displacement and acceleration under differentconditions,gets the seismic amplification coefficient of the beams layer and the whole structure，compares the results reached by shakingtable test with the numerical simulation．Research shows that the first frequency of roof model is 1.486 Hz;the nature frequency of the roofmodel is much bigger than that of the whole structure of shaking table test;the maximal displacement value of beam layer increases with theearthquake and model height;the shock absorption effect of semi—rigid connection Sun-Mao in major earthquake(400gal)is better than thatin moderate eanhquake(220gal)and minor earthquake(110gal);the interlayer seismic amplification coefficient value lies in l or so;theseismic amplification coefficient between roof layer and arch shop lies in 0.9 around．
timber structure shaking table test numerical simulation acceleration dynamic performance displacement seismicamplification coefficient
ZHANFengliang ZHAoHongtie XUEJianyang
Institute of Civil Engineering Xi’an University of Architecture and Technology Xi’an 710055，China
国内会议
兰州
英文
77-80
1900-01-01（万方平台首次上网日期，不代表论文的发表时间）