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this is not just a tunnel, it represents the intersection of dreams and reality. located in xin'ansuo town, mengzi city, with a total length of 3956.22 meters and a maximum burial depth of about 313 meters, the zhonglingshan tunnel is a full-line control project of the wenmeng railway. its difficulty can be attributed to factors such as the complexity and changeability of the cave, the tectonic dissolution and erosion of the mountainous area along the route, the rock mass fragmentation in the fault section, the water-rich and violent dolomite sandification section, the development of groundwater, and the poor stability of the surrounding rock of the tunnel. come snoop.

however, while the zhonglingshan tunnel faces many challenges, it also reflects people's persistence in dreams and longing for the future. in order to overcome difficulties, the china railway eighth bureau wenmeng railway project, under the organization of the south yunnan railway construction headquarters of the china railway kunming bureau, planned ahead and carefully deployed, optimized the construction plan, strengthened material support, improved emergency plans, and overcome the tight construction schedule and construction organization due to many unfavorable factors such as difficulty and changing climate, the construction of temporary construction projects must be coordinated in advance.

the wenmeng railway has a total length of about 116 kilometers and a design speed of 160 kilometers per hour. it is a national class i dual-line passenger and freight electrified railway. the line leads from wenshan station in wenshan city, wenshan prefecture, and goes west through mengzi city in honghe prefecture before connecting to mongolia. from the station, a second line will be built along the yuhe railway to the mimeng high-speed railway honghe station. after completion, the road network structure of southeast yunnan will be further improved, and a convenient transportation channel will be built between the urban agglomerations of central and southeast yunnan, which will greatly facilitate the travel of people of all ethnic groups along the route and support the development of tourism and other industries.

the significance of tunnel construction is not limited to railway construction itself, it also represents the inheritance and development of national culture. it will connect history and the future, ancient culture and modern construction, and the intersection of people's dreams and reality.