Ha ha indeed. Yeah I am running off the Australian standard, out in Western Australia. It does have the same 'stop after 100 blows' but running on metric not imperial. Out here you can be at the mercy of the driller but guess that goes most places. The Aus standard is just a little light on the...
Thanks for the responses, The tests were within gravel, sands, clay's and some rock. The clay's are stiff (field examination) and responsible for refusal around 300 mm i would imagine and rock is a Rhyolite and getting values below 100 with refusal so the values are not too representative of...
Hi all,
I am currently calculating SPT uncorrected N values for a variation of soils. I am getting a first 150 mm value (say 25 blows) fine which i understand you disregard. However i will get another 150 mm value (say 30 blows) but refusal thereafter. Will my N value therefore be 30? Also i...
