噪声与振动控制2019，Vol.39Issue(5)：162-166,222,6.DOI:10.3969/j.issn.1006-1355.2019.05.031
综合交通枢纽场地土体振动传递特性试验研究
Experimental Study on Soil Vibration Transmissibility of Integrated Transportation Hubs
摘要
Abstract
The propagation law of vibration wave in soil ground is studied. The Chongqing Shapingba integrated traffic hub is taken as the engineering background to carry out the field test. The attenuation law of the vibration wave in the soil ground is obtained, which provides the reference for selection of soil parameters for the finite element calculation. The main conclusions are as follows: (1) The vibration response of different soils under artificial excitation is slightly different. In general, the vibration frequency of soil is concentrated in the frequency range of 16 Hz - 250 Hz. (2) Under the artificial excitation, the soil vibration in the range of 5 m-10 m decays faster, and the acceleration attenuation is above 50%;in the range beyond 15 m, the vibration attenuation is slow, and the attenuation is very small. The attenuation law of vibration in different areas of the same soil is slightly different, but the general law is consistent. (3) Under the artificial excitation, the vertical vibration response of the soil is generally larger than the horizontal vibration response, and the horizontal vibration responses in different directions are different.关键词
振动与波/土体振动/振动衰减/综合交通枢纽/现场试验Key words
vibration and wave/soil vibration/vibration attenuation/integrated transportation hub/field test分类
交通工程引用本文复制引用
易兵,高慰,李青良,李小珍,梁林..综合交通枢纽场地土体振动传递特性试验研究[J].噪声与振动控制,2019,39(5):162-166,222,6.基金项目
国家自然科学基金资助项目(51878565) （51878565）
重庆市应用开发计划重点资助项目(cstc2014yykfB30003) （cstc2014yykfB30003）
