30-铁路桥涵地基和基础设计规范.doc

文档介绍：-,tocarryouttherelevantnationalstatuteandrailwaytechnicalpolicy,tomakethedesignonsubsoilandfoundationofrailwaybridgeandculvertmeettherequirementofsafeapplication,advancedtechnologyandrationaleconomy,,贯彻国家有关法规和铁路技术政策,使铁路桥涵地基和基础设计符合安全适用、技术先进、经济合理的要求,制定本规范。,IIstandardgaugeformixedoperationofthepassengerandfreighttrains,passengertrainwithadesignedoperationspeed≤160km/h,freighttrainwithadesignedoperationspeed≤l20km/h(80km/hforfreighttrainwi