Tiger Mountain Highway Tunnel preliminary design Pick along with the rapid development of economy, traffic engineering has become the powerful driving and supporting economic development. As the highway construction, traffic infrastructure construction also is unceasingly thorough, the tunnel project has become an important part of the highway system. It is to optimize the road alignment, shortened the highway mileage to have the major impact; at the same time to promote the surrounding areas of environmental protection, economic development and national defense construction also has a far-reaching impact. Tiger mountain highway tunnel located in the county of Shaanxi province churchyard, L. Lian Huo freeway line Shaanxi Xi'an to Tongguan. Tunnel starting in the tiger ridge south Li Mizoguchi, at the end of Tiger Hill leek Mizoguchi, tunnel is full-length 1780m. The tunnel plan, design and calculation are discussed in detail. Design of the main contents are: the tunnel surrounding rock classification, survey, topographic and geological survey, meteorological survey, tunnel geometric design, longitudinal, cross-sectional design, portal and portal design, lining structure design, structure calculation, waterproof and drainage, ventilation design and operation of lighting design. Tunnel line selection considering topographical and geological conditions, the lining calculation, considering the elastic force presence, tunnel planning and design process follows the sufficient play tunnel function, safe and economic construction of the basic principles of the tunnel, completed the preliminary design of tunnel. The final design results include: the design specification part, lining calculation, operation ventilation calculation, operation lighting calculations, route plan, profile design, construction clearance and inner contour, portal and the design, type lining design, ventilation, lighting diagram. Key words: tunnel; structure calculation; lining; drainage; ventilation; lighting
Tiger Ridge summary of the preliminary design of road tunnels with rapid economic development, traffic engineering has become a powerful driver of economic development and support. With the advance of highway construction, transportation infrastructure has continued to deepen, the current highway tunnel project has become an important part of the system. Its optimal road alignment, reduce highway mileage have a significant impact; while the surrounding area to promote environmental protection, economic development and national defense also has far-reaching impact. Tiger Ridge Road, Hua County, Shaanxi Province is located within the tunnel, is even Huo expressway Xi'an, Shaanxi Tongguan line segment. Tiger Ridge is located in the south of the tunnel starting at Lee Mizoguchi, end at the Tiger Ridge at the northern foot of leeks Mizoguchi, tunnel length of 1780m. In this paper, the tunnel planning, design and calculation are discussed in detail. Design of the main contents are: tunnel survey, rock classification, topography and geological surveys, meteorological investigation, tunnels linear design, vertical, cross-sectional design, the hole and Portal design, lining structural design, structural calculations, water and drainage, ventilation design and operation of lighting design. When the tunnel alignment took into account topographic and geologic conditions, in the lining of the calculation, consider the elastic reaction force of the existence of the tunnel planning and design process to follow the tunnel full functionality, security, economic development of the basic principles of the tunnel to complete the preliminary design of the tunnel . The final design results include: design manual part, rock lining calculations, operating ventilation calculations, operating lighting calculations, route plan, longitudinal design, construction limits and within the contour map, Portal design and Myeongdong, Ⅳ class rock lining design, fans, lighting diagram. Keywords: tunnel; structural calculations; lining; waterproofing and drainage; ventilation; lighting
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