This standard applies to drilling work in construction sites and foundation surveys, and can be used as a basis for the formulation of such drilling technical plans, on-site drilling quality supervision, and results inspection and acceptance.
JGJ 87-1992 history
2011JGJ/T 87-2012 Technical specification for engineering geological prospecting and sampling of constructions
1992JGJ 87-1992 Technical standard for boring of geotechnical investigation of buildings
JGJ 87-1992 Technical standard for boring of geotechnical investigation of buildings was changed to JGJ/T 87-2012 Technical specification for engineering geological prospecting and sampling of constructions.