Standards Penetration Test by Soil Investigation

[@yugeshmaitreyan5169]

What mechanism is the SPT using to drop the hammer? Electro magnet?

[@vannakuch]

@@yugeshmaitreyan5169 No, it's just steel cable

[@oricheaters]

Do you guys using bentonite?

[@vannakuch]

Yes of course we always use it while drilling on weak soil layers and sand.

[@yugeshmaitreyan5169]

​@@vannakuchUpto ground level or till water table?

[@vannakuch]

@yugeshmaitreyan5169 we were doing core drilling for soil investigation

[@yugeshmaitreyan5169]

@@vannakuch sir I am asking about the level of bentonite

[@vannakuch]

Sorry,I’m not understanding your question.