地铁车辆段上盖建筑道砟垫减振机理与效果

曹志刚,王思崎,许逸飞,白晓东,袁宗浩,马夏飞

Vibration mitigation mechanism and effect of ballast mats for over-track buildings on metro depot

Zhi-gang CAO,Si-qi WANG,Yi-fei XU,Xiao-dong BAI,Zong-hao YUAN,Xia-fei MA

表 4 试车线上部结构振动的实测值

Tab.4 Measured value of superstructure vibration on test line

测点 A/ (m·s−2) fA /Hz Z向 Y向 X向 D1 0.596 0.370 0.278 40~80 D2 0.091 0.076 0.077 40~80 F1 0.087 0.075 0.073 40~63 F2 0.082 0.070 0.065 0~20、31.5~50 F3 0.075 0.072 0.067 0~20、31.5~50 F4 0.072 0.064 0.068 0~10、20~40 F5 0.070 0.065 0.070 0~10、20~40