大同中直粮库铁路专用线整体道床施工技术

Constructional technique of special railway line solid concrete roadbed in Datong 's grain depot under the Party Central Committee

整体道床作为一种新型的轨下基础 ,对施工技术和质量标准都有更高的要求。从路基成型、垫层到混凝土道床面层都提出了更高的技术要求 ,钢轨及扣件、防爬设施等均要有更高的技术标准 ,要保证线路的高、平、顺性 ,减少日后维修工作量 ,其施工难度较大。结合大同水泊市中央直属粮库铁路专用线整体道床施工 ,阐述了整体道床的施工技术和质量保证措施。

Being a new base under the rail, solid concrete roa dbed has higher req uirements to constructional technique. The higher technical requirements are put forward from roadbed molding and bedding cushion to concrete roadbed layer, and higher technical norm is put forward to steel rail, fastener and anti?creeping facility. In order to assure the rail's altitude, plane, line, and to decrease the maintenance in the future, its difficult in construction is larger. Accordin g to construction of special railway line solid concrete roadbed in Datong Shuip o city's grain depot under the Party Central Committee, the writer introduces co nstruction technique and quality assurance measures of solid concrete roadbed.