Thailand Institute of Justice...2018/11/11 · ASTM D 1587 (split spoon Sampler) 2 in 5.0 3.5 ma....
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Thailand Institute of Justice...2018/11/11 · ASTM D 1587 (split spoon Sampler) 2 in 5.0 3.5 ma. 69 thJ. 63.5 76.2 15 3 2 Standard Penetration Number (Standard Penetration Test-SPT)