ASTM D5781/D5781M-18

Standard Guide for Use of Dual-Wall Reverse-Circulation Drilling for Geoenvironmental Exploration and the Installation of Subsurface Water Quality Monitoring Devices

NORMA vydaná dňa 1.6.2018

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Informácie o norme:

Označenie normy: ASTM D5781/D5781M-18
Poznámka: NEPLATNÁ
Dátum vydania normy: 1.6.2018
Počet strán: 7
Približná hmotnosť: 21 g (0.05 libier)
Krajina: Americká technická norma
Kategória: Technické normy ASTM

Anotácia textu normy ASTM D5781/D5781M-18 :

Keywords:
down-the-hole hammer (DTH) drilling, drilling, dual-wall reverse-circulation drilling method(s), geoenvironmental exploration, groundwater, percussion-hammer drilling method, triple-wall percussion-hammer drilling method, vadose zone ,, ICS Number Code 73.100.30 (Equipment for drilling and mine excavation)