Quantitative Evaluation of Underground Trainnnduced Vibration in Frame Structure
A methodology for the quantitative determination of underground train -induced vibrations in a frame structure with consideration of multi -support excitations is presented. Since the building nearby a subway line in Shanghai is in planning stage , it is impossible to make a direct measurement of the building vibrations induced by underground trains. Two-dimensional finite element model is developed, using the results of a ground vibration measurement campaign purposely performed at the site as input excitations. The vibration levels in the structure are obtained to multi -support excitation, and the levels for traveling wave excitation and uniform excitation are also ,respectively,calculated so that the comparison of the vibration levels in the building to the three types of excitations can be made. Results indicate that using uniform excitation as inputs to design the short -span structures with consideration of underground train -induced vibrations is conservative.
Shouji LI Menglin LOU
School of Civil Engineering ,Hefei University of Technology ,Hefei 230009,China State Key Laboratory for Disaster Reduction in Civil Engineering ,Tongji University , Shanghai 20009
国际会议
5th International Symposium on Environmental Vibration(第五届环境振动国际研讨会)
成都
英文
259-264
2011-10-20（万方平台首次上网日期，不代表论文的发表时间）