Description, Use & method of Installation of Swellex rock bolt for Tunneling by NATM.

[@premsingh6471]

Jabrdast sir

[@ErKaushalKishorSingh]

Thanks

[@zicokar8658]

Nice vedio sir

[@ErKaushalKishorSingh]

Thanks

[@ankushawasthi1929]

thank you sir your lectures are great

[@ErKaushalKishorSingh]

Very very thanks

[@shubhamagnihotri5570]

Thank you sir

[@sktiwari1404]

Bhot khub🙏

[@kkthakur5339]

Sir ventilation k bare me video banao

[@ErKaushalKishorSingh]

Already given a video with details information.

[@vishnumanyam]

Why can't we use s. d.a in the place of swellex

[@premsingh6471]

Tunnel ko bnane mein Kitne parkar ke method kaa upyog hota hai
(natm ke alawa) Sir

[@ErKaushalKishorSingh]

1) NATM 2) TBM 3) EPBM 4) Bore plus 5) DK Shild Tunneling method

[@ashishthapliyal6228]

Please tell me difference between swellex bolt and sn type rock bolt

[@ErKaushalKishorSingh]

The main difference is that SN Type rock bolt is grouted with cement slurry, while swelled rock rock bolt is installed by ijectiing of high press water.

[@vishnumanyam]

Actual pressure for swellex sir?