Gurmeet singh Asked a Question
December 6, 2020 3:53 pmpts 30 pts
ere the thickness of the TOol malerial exCecds three limes the diameter of the ur.nel, the roof load is insignificant. It is show
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  • Sajan sarthak Best Answer
    Because tunnels can withstand overload 5 to ten times larger in thickness compared to its radius. .so we prefer deep Tunnel for stability purpose and not collapsement
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    Gurmeet singh
    but sir depth will put more pressure , chances are more to collapse.