Comprehensive Application Research on Survey Methods for Large Section Tunnels under Complex Geological Conditions
Tunnel engineering is characterized by its high cost,extended duration,significant risks,and challenges in construction.The quali-ty of tunnel survey results directly impacts the cost and safety of the project.If the late construction design is changed and the cost is increased due to incorrect tunnel survey,it will be very troublesome.If the adverse geological effects and geological disasters are not found out,it may also lead to engineering safety accidents.With the improvement of the quality requirements of construction projects and the difficulty of design changes,the municipal tunnel engineering survey is facing more and more severe tests due to the restrictions of site conditions and construction period.This article focuses on a large-section tunnel project under complex geological conditions and employs various survey methods,inclu-ding drilling,engineering geological surveying,geophysical exploration,and in-situ testing,to offer insights for similar projects.
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