SOLIDIFYING AGENT COMPOSITION FOR SOFT GROUND AND MANUFACTURING METHOD THEREOF

• Main Authors: LEE HYUN JU, SHIN HYUN CHOUING, HAN JUNG SOO, RYU CHANG HYUN
• Format: Patent
• Language: English; Korean
• Published: 30.09.2021
• Subjects: ADHESIVES; ARTIFICIAL STONE; CEMENTS; CERAMICS; CHEMISTRY; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS; CONCRETE; DYES; LIME, MAGNESIA; MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; PAINTS; POLISHES; REFRACTORIES; SLAG; TREATMENT OF NATURAL STONE

Disclosed is a solidifying agent composition for soft ground, comprising: 10 to 20 parts by weight of Portland cement having a specific surface area of 2,800 to 4,000 cm^2/g; 30 to 40 parts by weight of fine powder of blast furnace slag having a specific surface area of 3,500 to 5,000 cm^2/g; 20 to 30 parts by weight of an ash mixture in which fly ash and bottom ash are mixed in a weight ratio of 1: 0.3 to 1.5 and having a specific surface area of 3,500 to 4,500 cm^2/g; 10 to 20 parts by weight of desulfurized gypsum; 5 to 10 parts by weight of recycled aggregate including fine aggregate and coarse aggregate; 5 to 10 parts by weight of waste inorganic acid selected from the group consisting of hydrochloric acid, nitric acid, sulfuric acid, phosphoric acid, and a mixture of two or more thereof; and 5 to 10 parts by weight of one curing accelerator selected from the group consisting of sodium sulfate, calcium sulfate, and a mixture thereof. Accordingly, the strength of the soft ground can be improved. 비표면적이 2,800~4,000㎠/g인 포틀랜드 시멘트 10~20중량부; 비표면적이 3,500~5,000㎠/g인 고로슬래그 미분말 30~40중량부; 플라이애시 및 바텀애시가 1 : 0.3~1.5중량비로 혼합되고, 비표면적이 3,500~4,500㎠/g인 애시혼합물 20~30중량부; 탈황석고 10~20중량부; 잔골재 및 굵은 골재를 포함하는 순환골재 5~10중량부; 염산, 질산, 황산, 인산 및 이들 중 2 이상의 혼합물로 이루어진 군에서 선택된 폐무기산 5~10중량부; 및 황산나트륨, 황산칼슘 및 이들의 혼합물로 이루어진 군에서 선택된 하나의 경화촉진제 5~10중량부;를 포함하는 연약지반용 고화제 조성물이 개시된다.