STANDARD PENETRATION TEST ASTM D-1586 / AASHTO T-206 Consist of : Split Barrel Sampler Hardened machined steel, 1 3/ 8" I.d; 18" length. Sampling Rod Steel pipe, 1.5 m length. Drive weight....
HAND BOR Consist of : Drilling Rod Solid bar, 1 m length, 1 1/ 4" dia. Iwan Type Auger Welded steel, two radial blades, 4" dia. Straight Choping Auger Steel bar, hardened tip, 45 mm width T....