Based on the dynamic test of three testing departm ent during DK 243+400～900 on qin-shen railway,this paper introduced the dynamic stress responses to the high speed railway subgrade,and analyzed the reasons of the dynamic stress responses simply, this paper compared the testing numbers with the conventional numbers, which can be as a basis for further research.

Based on the technical standards and the construction organizations of the Qin Shen dedicated rapid passenger traffic railway line,the overall processes concerned with the complete setting,selection,purchase and application of the construction machinery equipments for bridge erection and track laying of Qin Shen railway line are summarized in this paper.

Fabrication and erection of 32m double line box girder of Liaohe Super Major Bridge on Qinhuangdao-Shenyang Passenger Special Line;

The use of MZ32 Travelling Form Bridge Fabrication Machine for Qinhuangdao-Shenyang Passenger Special Line;

A summary of new bridge structure applied to Qinhuangdao-Shenyang Passenger Special Line;

Safety Monitoring and Comprehensive Automatic System for Traction Substation of Qinhuangdao-Shenyang Dedicated Passenger Railway;

Overall Design of Catenary for Qinhuangdao-Shenyang Dedicated Passenger Railway;

Comprehensive Automatic System of Power Distribution Station for Qinhuangdao-Shenyang Dedicated Passenger Railway;

OCL Technology Standard for Qin-Shen Passenger Dedicated line;

General Plan of Huanggutun Motor Car Servicing Base for Qin-Shen Passenger Dedicated Line;