Consolidation Grouting for tunneling by NATM

[@pawangupta6343]

Thank you sir for very informative video🙏🙏🙏

[@ErKaushalKishorSingh]

Very very tha ks

[@premsingh6471]

Nice vedio sir ji

[@ErKaushalKishorSingh]

Thanks

[@zicokar8658]

Nice vedio sir

[@ErKaushalKishorSingh]

Thanks

[@arnabchoudhury9742]

Sir, is there any chance of waterproofing membrane punching in time of hole drilling ???

[@ErKaushalKishorSingh]

A video in this regard will be given

[@december12031983]

Sir at first u told drilling 3m and 2nd time 6m. Confirmed sir please

[@ErKaushalKishorSingh]

You may please be aware that minimum depth of hole for consolidation grouting should not be less than 3.00m. If rock strata is class 4 and above then depth of hole should be up to 6.00 m.

[@vikeshraj65]

Sir can you tell me which code we have to refer for grout material

[@ErKaushalKishorSingh]

IS 1578(Part - VII): 1972