Quick-harding grout materials for multi-step grouting reinforcement withi steel pipe Manufacturing method of the same and Multi-step grouting reinforcement method usins the same

• Main Author: JANG, YONG JIN
• Format: Patent
• Language: English; Korean
• Published: 28.12.2022
• 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

The present invention relates to a quick-hardening grout material, a manufacturing method thereof, and a steel pipe multi-stage grouting method using the same. More specifically, the present invention relates to: a quick-hardening grout material for a steel pipe multi-stage grouting method, which has an excellent repair and reinforcement effect for soft ground and tunnels, and can shorten the construction time; a manufacturing method of the quick-hardening grout material; and the steel pipe multi-stage grouting method using the same. The grout material for a steel pipe multi-stage grouting method comprises, based on 100 parts by weight of an injection material, 100 to 140 parts by weight of water and 80 to 110 parts by weight of a set accelerating agent. 본 발명은 속경성 그라우트재, 이의 제조방법 및 이를 이용한 강관다단 그라우팅 공법에 관한 것으로서, 좀 더 구체적으로 설명하면, 연약지반 및 터널의 보수보강 효과가 우수하고, 공사 시간을 단축시킬 수 있는 강관다단 그라우팅 공법용 속경성 그라우트재, 이의 제조방법 및 이를 이용한 강관다단 그라우팅 공법에 관한 것이다.