Research on Impact and Countermeasures of Extra Long Highway Tunnel Construction on Soil and Water Conservation
The Tianshan Shengli Tunnel is located in environmentally fragile areas such as the Tianshan No.1 Glacier,the secondary water source protection area and multiple national forest parks.The soil and water conservation issues during the construction process are of great significance to the local ecological environment protection.Research has found that the main factors affecting soil erosion are the protection of the tunnel abandoned dreg field,the utilization of the surface soil in the occupied and affected areas,construction wastewater,and tunnel water inflow protection and restoration of ancillary facilities for tunnel construction.By combining indoor experiments with numerical simulations,the location of the tunnel abandoned dreg field,the treatment methods for construction wastewater and tunnel surge,and the protection and repair methods for temporary site facilities were determined.
tunnelsabandoned dreg fieldprotectionsoil and water conservationsoil erosion
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