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通过对项目沿线煤矿采空区的实地勘察、资料整理和理论分析,根据煤矿采空区地质、煤层赋存及顶底板岩性等条件,充分结合地表沉陷和残余变形的计算结果,综合考虑桥梁和隧道的不同特点,对桥隧的设计进行优化,并提出处置措施。桥遂布设经过优化后,可以减少病害、节省工程造价、提高行车安全性,能更好地体现“安全、耐久、节约、和谐”的设计理念。
Based on the field investigation, data collation and theoretical analysis of the coal mined-out area along the project, according to the geological conditions of the gob of coal mines, the occurrence of coal seams and the top and bottom plate lithology, combined with the calculation results of surface subsidence and residual deformation, And tunnels of different characteristics, the design of the bridge and tunnel to optimize and propose disposal measures. After the bridge layout is optimized, it can reduce the disease, save the construction cost and improve the driving safety, and can better reflect the design concept of “safety, durability, economy and harmony”.