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江西省南昌至奉新(简称“昌奉高速”)高速公路是江西省18条地方加密高速之——南昌至铜鼓高速公路的前段,论文在详细分析昌奉高速公路沿线工程地质条件的基础上,针对性地分析了公路沿线存在的软土、高填方、高液限粘土、边坡失稳、隧洞围岩等不良工程地质问题,并进行了稳定性分析。根据分析结果得出了相应的结论并提出了工程防护处理措施及建议。结果表明昌奉高速公路全线工程地质条件复杂,沿线的不良地质较发育,形成这些不良地质的条件有地形地貌、地层岩性、地质构造、地下水等多方面的因素。
From Nanchang to Fengxin in Jiangxi Province (referred to as “Chang Feng Expressway”) expressway is the front section of 18 local high-speed encryption-Nanchang-Tonggu Expressway in Jiangxi Province. The paper analyzes the engineering geological conditions along Chang-Feng Expressway in detail On the basis of the analysis, some engineering problems such as soft soil, high fill, high liquid limit clay, instability of slope and surrounding rock of tunnel are analyzed in detail, and the stability analysis is carried out. Based on the analysis results, the corresponding conclusions are drawn and the measures and suggestions for engineering protection are put forward. The results show that the engineering conditions of Chang-Feng Expressway are complex, and the unfavorable geology along the line is more developed. The conditions for forming these adverse geology include topography, stratum lithology, geological structure, groundwater and many other factors.