Research results: Under the same load condition, the tensile stress of ballastless track slabs without close connected is bigger than that of slabs with close linkage structure.
研究结果：在同样荷载条件下，板层之间无紧密连接的无碴轨道的板层拉应力要大于板层有紧密连接结构的拉应力；
Ballastless slab track on bridge of Passenger Dedicated Line is a track of new type with stable track and bed structure high regularity and less maintenance.
客运专线桥上采用板式无碴轨道是一种新型轨道形式，它能提供稳定的道床结构，是一种高平顺、少维护线路。
The key of the ballastless track lies in the structure strength, lateral stability, stiffness uniformity, elastic buffer and durability.
无碴轨道结构设计的关键在于强度、横向稳定性、刚度均匀性、减振性和耐久性。
Research purposes: the exploration is made on issues of design calculation theory for Column-Net Structure technology of foundation treatment of Ballastless Track in Sui-Yu Railway Line.
研究目的：探讨有关遂渝线无碴轨道桩网结构加固地基技术设计计算理论等方面的问题。
Double-block ballastless track applied on PDL is a new track structure. It is a low maintenance durable track structure with high stability, high geometric regularity and uniform track stiffness.
双块式无碴轨道是一种适用于客运专线的新型轨道结构，它具有高平顺性、高稳定性、刚度均匀性好、结构耐久性强和少维修的特点。
Double-block ballastless track applied on PDL is a new track structure. It is a low maintenance durable track structure with high stability, high geometric regularity and uniform track stiffness.
双块式无碴轨道是一种适用于客运专线的新型轨道结构，它具有高平顺性、高稳定性、刚度均匀性好、结构耐久性强和少维修的特点。
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