辛安泉域岩溶水系统特征及其对线路方案的影响

摘要

X in'an spring area is located in the southeast of Shanxi province and is the second largest karst spring of the whole province. Formation lithology,neotectonics and geomorphologic evolution shaped the karst water system and Xin'an spring area is composed of four relatively independent and also parallel subsystems. Shanxi-Henan-Shandong railway thoroughfare traverses the Changzhi Xiangyuan faulted basin subsystem and smooth monocline subsystem in X in'an spring area. T his paper studied the w ater level elevation of karst w ater system and the relationship between development elevation and line elevation of karst system especially the influence of tunnel plane and vertical section on feasibility,safety and economy,and put forward the corresponding conclusion and suggestion.%辛安泉域位于山西省东南部，为山西省第二岩溶大泉，地层岩性、新构造运动、地貌演化塑造了岩溶水系统，辛安泉域由相对独立的四个子系统组成，呈并联关系。山西中南部铁路通道横穿辛安泉域长治襄垣断陷盆地子系统及平顺单斜子系统。本文就岩溶水系统的水位高程、岩溶系统发育高程与线路高程的关系对线路特别是隧道平纵断面选择的可行性、安全性及经济性的影响进行了探讨，并给出了相应的结论及建议。