ApplicationResearch of Comprehensive Survey Technology in A Highway Tunnel Investigation
Using geological survey,geophysical prospecting,drilling and other methods to explore tunnel and undersea tunnel in the stage of engineering feasibility study.Through the analysis of the survey results,some geological problems which affect the safety of construction or operation are found.For land area,the main problems are unstable rocks,boulders and faults,for sea area the main problems are alcoves,faults,boulders,sand liquefaction and seismic settlement evaluation of soft soil.For these problems,through analogy and drawing on the in-vestigation of other similar projects,countermeasures for the problems are put forward,which also has certain guiding significance for the fol-low-up stages of these tunnels.
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