Recently, Hebei Civil Construction Society organized experts to review the construction methods submitted by construction enterprises. The following construction methods submitted by our company are rated as “Provincial Engineering Construction Method of 2020”: construction method of full casing rotary drilling in complex strata; construction method of vibrating concrete in bored piles; construction method of installation of isolation pad of liquefied natural gas (LNG) low temperature storage tank; construction method of ultra-deep high-pressure rotary piles in gravel soil; construction method of using inferior desulfurized gypsum and fly ash as backfill materials; construction method of rotary drilling occlusion piles.
