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    • 13. 发明公开
    • 연결형 강관을 구비하는 소일네일 구조체
    • 土壤连接管
    • KR1020140076890A
    • 2014-06-23
    • KR1020120145426
    • 2012-12-13
    • (주)케미우스코리아
    • 유용선이오영김완호
    • E02D5/80E02D17/20E21D21/00E02D5/52
    • E02D5/80E02D5/526E02D17/20E21D21/0086
    • The present invention relates to a soil nailing structure. The soil nailing structure according to the present invention is used in a soil nailing method by comprising a reinforcing material lengthened in one direction and inserted in a bored hole on the ground; and a bearing plate inserted into the head of the reinforcing material and mounted on the ground having the bored hole thereon. The reinforcing material includes multiple hollow type steel pipes arranged in a line; a screw unit composed of a plurality of screw pieces which have screws formed the outer surfaces thereof and which are spaced apart from each other along the outer circumferential surfaces of the steel pipes and combined with the outer circumferential surfaces of the steel pipes; and a coupler coupling the steel pipes contiguous with each other and having a screw on the inner circumferential surface thereof so that the screw units are coupled through screws to both ends thereof.
    • 本发明涉及一种土钉结构。 根据本发明的土钉结构用于土钉技术,包括沿一个方向延长并插入地面上的钻孔中的增强材料; 以及插入加强材料的头部并安装在其上具有钻孔的地面上的支承板。 增强材料包括排成一行的多个中空型钢管; 螺钉单元,其由多个螺钉件组成,所述多个螺钉件具有形成其外表面的螺钉,并且沿着钢管的外周表面彼此间隔开并与钢管的外周表面组合; 以及耦合在彼此相邻并且在其内周表面上具有螺钉的钢管的联接器,使得螺钉单元通过螺钉连接到其两端。
    • 18. 发明授权
    • 급경성 혼합재와 미립자 주입재의 제조방법
    • 制备快速形成聚集体和颗粒的方法
    • KR101272277B1
    • 2013-06-13
    • KR1020120126906
    • 2012-11-09
    • 서진이엔씨(주)(주)케미우스코리아
    • 박명규유용선
    • C04B22/00C04B28/04C04B18/14C09K17/10
    • Y02W30/94C09K17/10C04B14/303C04B18/141C04B22/143C04B28/04C04B2111/00724C04B2111/00732C04B2111/70E02D3/12
    • PURPOSE: A manufacturing method of fine particle grout and a quick hardening admixture is provided to secure stability of an initial displacement from a weak soil foundation tunnel digging construction to raise the initial strength of the grout by mixing the compositions of the quick hardening admixture and fine particle grout at an optimal combination ratio. CONSTITUTION: A manufacturing method of quick hardening admixture and fine particle grout comprises the following steps. (a) Bauxite whose content of aluminum trioxide Al2O3 is 80% or greater, anhydrous gypsum of which calcium sulfate(CaSO4) is combined without water, and calcium oxide(CaO) mixed in a mass rate of 12:10:3. (b) Mixture of the step(b) is quickly cooled by fusing at 1,000-1,100°C. (c) Mixture of the step(c) is pulverized into 3,000-5,000cm/g and produces quick hardening admixture. (d) A mixture is produced by mixing the quick hardening admixture powder, Portland cement, and blast furnace slag powder with a mass rate of 1:5:4. (e) The mixture is first pulverized to 5,500-6,500cm/g and produce fine particle grout by processing the first pulverized powder with the second pulverized to 7,500-8,500cm/g.
    • 目的:提供细颗粒灌浆和快速硬化混合物的制造方法,以确保从弱土基础隧道挖掘施工中的初始位移的稳定性,通过混合快速硬化混合物的组成和提高初始强度来提高灌浆的初始强度 颗粒砂浆以最佳组合比率。 构成:快速硬化混合物和细颗粒灌浆的制造方法包括以下步骤。 (a)三氧化二铝Al 2 O 3的含量为80%以上的铝土矿,其中无水硫酸钙(CaSO 4)的无水石膏和12:10:3质量比混合的氧化钙(CaO)。 (b)步骤(b)的混合物通过在1,000-1100℃下熔融而快速冷却。 (c)将步骤(c)的混合物粉碎成3,000-5,000cm 2 / g并产生快速硬化混合物。 (d)通过将快速硬化混合粉末,波特兰水泥和高炉渣粉以1:5:4的质量比混合来制备混合物。 (e)首先将混合物粉碎至5,500-6,500cm 3 / g,并通过将第二次粉碎加工成第二次粉碎至7,500-8,500cm / g来生产细颗粒浆料。