高铁站场路基无砟轨道同步抬升技术应用  

Application of Synchronous Lifting Technology for Subgrade Ballastless Track of High-speed Railway Station

作　　者：戴文明 DAI Wen-ming(The 1st Engineering Co.,Ltd.of China Railway 12th Bureau Group,Xi'an 710038,China)

机构地区：[1]中铁十二局集团有限公司一公司,西安710038

出　　处：《价值工程》2020年第35期164-166,共3页Value Engineering

摘　　要：高速铁路开通运营后,由于列车的动荷载影响及自然环境、地形地貌、工程及水文地质的改变,轨道的几何尺寸发生变化,路基、道床等结构层也随之发生变形,进而形成多种缺陷。本文针对站场内路基发生异常沉降,线路几何尺寸变化较大,常规更换轨底胶垫难以满足要求,可采用机械同步抬升技术对部分道床板进行整体抬高,保证行车运营安全。After the high-speed railway is put into operation,due to the impact of the dynamic load of the train and the changes in the natural environment,topography,engineering and hydrogeology,the geometric dimensions of the track have changed,and the subgrade,track bed and other structural layers have also been deformed,thereby forming a variety of defects.Aiming at the abnormal settlement of the subgrade in the station and the large changes in the geometric dimensions of the line,it is difficult to meet the requirements of the conventional replacement of the track bottom rubber pad.The mechanical synchronous lifting technology can be used to raise part of the track bed slab as a whole to ensure safe driving operation.

关 键 词：缺陷整治 同步抬升 线路纠偏 监测 

分 类 号：U238[交通运输工程—道路与铁道工程]