利用地脉动台阵观测推算Love波频散曲线-世界地震工程.PDF

23 2 V o l. 23, N o. 2 2007 6 W ORLD EARTH QUAKE ENG IN EER ING Jun. , 2007 : 1007-6069 ( 2007) 02- 0063- 05 Love 1, 2 1 3 3 董连成 陶夏新 师黎静 颜世菊 ( 1. , 150090 2. , 150027 3. , 150080 ) : , R ay le igh L ove L ove , L ove , L ove , : Love R ay le igh : P315 : A Love wave dispersive curve inferred from m icrotrem ors array observation 1, 2 1 3 3 DONG L ian- cheng TAO X ia-x in SH I L -i jing YAN Sh -i ju ( 1. S chool of C iv il Engin eering, H arb in In stitute of T echnology, H arb in 150090, Ch ina 2. Col lege of A rch itectu re and C iv il Engin eering, H eilong jiang Ins titu te of Science and T echnology H arb in 150027, Ch ina 3. Ins titu te of E ngineering M echanics, Ch in a S eism olog ical Bu reau, H arb in 150080, Ch ina) Abs tract: Shear w ave ve loc ity stru cture o f so il layers is the prmi ary param eter of site cond it ion. D ispersive curve o f phase velocity of surface w ave, R ayle igh w ave or Love w ave in ferred from m icrotrem ors array h as been em ph asized by m any researchers. In th is pap er, the L ove w ave d isp ersion curve is derived from three com ponen t reco rds at m -i crotrem ors arrays and app lied to a practica l site in X iam en. The acqu ired d isp ersive curve of Love w ave w as com- pared w ith that calcu lated from the horizonta l layered m odel constru cted by downho le m easurem ent data. K ey w ord s: m icro trem ors arrays L ove w