伊河大桥振动测试与减振措施评价  

Appraisal of Vibration Tests and Shock absorbing Measures of Yi River Bridge

作　　者：李俊如[1] 吴绵拔[1] 

机构地区：[1]中国科学院武汉岩土力学研究所,武汉430071

出　　处：《土工基础》1999年第4期25-29,共5页Soil Engineering and Foundation

摘　　要：通过对伊河大桥减振前后不同方案的振动测试,其测试结果表明采取减振措施后,减振的效果是明显的,并且采用二层垫的减振措施是经济的可行的。Through vibration tests of different schemes of shock absorption in Yi River bridge,It is shown by the test results that the effect of shock absorption is obvious.The use of double shock absorbing layers are feasible economically.With the shock absorbing measures,the vibratiog effect to Longmen grotto is insignificant.

关 键 词：振动测试 减振 振动速度 大桥 

分 类 号：U441.3[建筑科学—桥梁与隧道工程]