水库地震的地震动特性-自然灾害学报.PDFVIP

15 5 Vo.l 15, No. 5 2006 10 JOURNAL OF NATURAL D ISASTERS O ct. , 2006 : 1004-4574( 2006) 05- 0188- 06 1 1 1 2 1 1 1 于海英 , 公茂盛, 金 波, 韦良杰 , 毛国滨 , 杨 剑, 颜世菊 ( 1. , 150080; 2. , 150010) : , , , , ; , ; , , : ; ; ; : P315. : A Characteristic of ground m otion of reservoir earthquake 1 1 1 2 1 1 1 YU Ha-i ying , GONG M ao-sheng , JIN bo , WEI L iang-jie, MAO Guo-b in , YANG Jian , YAN Sh-i ju ( 1. Institute ofEng ineering M echanics, China E arthquake Adm inistration, H arbin 150080, China; 2. H eilongjiang E lectric Pow er Survey Design Institute, H arbin 150010, China) Abs tract: In th is paper, the coefficient of groundmotion attenuation, characteristic of spectrum, duration of reser- voir earthquake are obtained by ground motion data of near field ground motion of X infengjiang Seservoir Earth- quake etc. The analysis result ind icates that peak ground acceleration, coefficient of ground motion attenuation and characteristic frequency of response spectrum of reservoir earthquake are larger than that of natural earthquake; du- ration of groundmotion of reservoir earthquake is shorter than that of natural earthquake; and for reservoir earth- quake, characteristic period of soft site is larger than that of rock site. The analysis resu lt w ill give a reference to seism ic design and reinforcement of hydrau lic structures. K ey w ord s: reservoir earthquake; groundmotion characteristic; response spectrum; duration , , , , , 1 5 , 1 62 3 1 6. 1 , () , , , , , : 2006- 03- 10; : 2006- 08- 23 : / 0( 50103) : (