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 8 结构模型的参数

Tab.8 Parameters of structural model

模型结构 E/MPa μ ρ/(kg·m−3) 钢轨 210000 0.25 7850 轨枕 30000 0.20 2400 道砟 130 0.35 1800 底碴 300 0.35 2200 混凝土水硬层 315000 0.30 2500