Gurmeet singh Asked a Question
January 8, 2021 12:43 pmpts 30 pts
59. Leakage through rock fractures below a dam can be reduced significantly by: A. Bolting B. Grouting D. Blasting C. Drilling (ITT-JAM 2011) 60. Adit is an underground excavation, which is: A A horizontal opening giving access to main tunnel B. A horizontal opening used for transport- ing water to powerhouse C. A vertical opening used for multiple purposes D. An inclined opening providing access to main tunnel (iIT-JAM 2071)
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  • Saurabh Best Answer
    59) It has to be grouting. Grouting is particularly used for filling voids or gaps(cavities) in rock or soils. There are various materials required for grouting and based on this t...
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  • Gurmeet singh
    also like message so that i can get notification
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  • Rahul kumar thankyou
    Answer: (B) Grouting Grouting involves the injection of appropriate materials under pressure into dam through specially constructed holes in order to avoid seepage of water. Answe...
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    Gurmeet singh
    what is bolting. & can you share any picture of adit.
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