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    • 4. 发明授权
    • 고점도 콘크리트용 혼화제
    • 高粘度混凝土的特性
    • KR101365974B1
    • 2014-02-24
    • KR1020130066840
    • 2013-06-11
    • 한국건설생활환경시험연구원(주)에이치비티
    • 정상화최영철김경환손석제박성학최연왕
    • C04B28/02C04B18/08C04B24/24C04B24/16
    • Y02W30/92C04B18/08C04B24/161C04B24/243C04B28/02C04B2103/302C04B2103/304C04B2103/408C04B2201/05C04B2201/10
    • The present invention relates to an admixture capable of reducing viscosity of high viscosity concrete according to the increase of fly ash content up to 50% when manufacturing concrete. The present invention provides an admixture for high viscosity concrete wherein 20-40% of a polycarboxylic acid-based water reducing agent, 10-30% of a polycarboxylic acid-based maintaining agent, 0.5-2% of an antifoaming agent, 1-3% of a high dispersion agent and 10-25% of an air entraining agent are included in water, and thereby, overcoming the decrease of workability and production efficiency caused by the viscosity increase of concrete, as well as securing capabilities for stably generating and maintaining foams within ranges in which physical properties of concrete are not affected. Therefore, durability of concrete can be enhanced even when 50% or more fly ash is used. Accordingly, the admixture for high viscosity concrete of the present invention can increase the amount of fly ash used up to 50% on the basis of the weight of cement when manufacturing concrete, and therefore, can recycle resources and secure compressing strength and economic feasibility. [Reference numerals] (AA) Viscosity (cps); (BB) High dispersion agent non-insertion; (CC) High dispersion agent 1%; (DD) High dispersion agent 2%; (EE) High dispersion agent 3%; (FF) High dispersion agent 4%; (GG) High dispersion agent 5%
    • 本发明涉及一种能够在制造混凝土时根据飞灰含量增加高达50%时降低高粘度混凝土的粘度的混合物。 本发明提供了一种高粘度混凝土的混合物,其中20-40%的多元羧酸类减水剂,10-30%的多元羧酸维持剂,0.5-2%的消泡剂,1-3 高分散剂和10-25%的加气剂包含在水中,从而克服由混凝土的粘度增加引起的可加工性和生产效率的降低,以及确保稳定产生和维持的能力 在混凝土的物理性能不受影响的范围内的泡沫。 因此,即使使用50%以上的粉煤灰,也能够提高混凝土的耐久性。 因此,本发明的高粘度混凝土的混合物可以在制造混凝土时基于水泥的重量增加使用的飞灰量高达50%,因此可以回收资源并确保压缩强度和经济可行性。 (标号)(AA)粘度(cps) (BB)高分散剂无插入; (CC)高分散剂1%; (DD)高分散剂2%; (EE)高分散剂3%; (FF)高分散剂4%; (GG)高分散剂5%
    • 6. 发明公开
    • 무기계질 흡수방지재 침투깊이 측정 방법
    • 测量无机防水材料渗透深度的方法
    • KR1020130056461A
    • 2013-05-30
    • KR1020110122084
    • 2011-11-22
    • 대신이엔지 주식회사(주)에이치비티(주)넥트
    • 하상우김경환손석제차윤호최연왕박만석오성록최병걸
    • G01N33/38G01N17/02G01N27/12
    • PURPOSE: A method for measuring infiltration depth of an inorganic anti-absorption material is provided to correct measuring conditions such as application voltage, solution concentration, and time of immersion according to the state of a test sample, and to accurately measure infiltration depth. CONSTITUTION: A method for measuring infiltration depth of an inorganic anti-absorption material(120) comprises: a step of injecting ions for measuring the depth to a second side for a predetermined time, which is an opposite side of a side coated with the inorganic anti-absorption material; and a step of counting backward the infiltration depth based on the boundary line of a test sample. The ion is a chlorine ion. The chlorine ion is injected to the second side by electrolysis with a solution for generating chlorine ions.
    • 目的:提供一种测量无机抗吸收材料渗透深度的方法,以根据试样的状态校正测量条件,如施加电压,溶液浓度和浸渍时间,并准确测量浸渗深度。 构成:用于测量无机抗吸收材料(120)的渗透深度的方法包括:将用于测量深度的离子注射到第二侧预定时间的步骤,该预定时间是涂覆无机抗吸收材料的侧面的相反侧 抗吸收材料; 以及基于测试样本的边界线向后计数渗透深度的步骤。 离子是氯离子。 通过用产生氯离子的溶液进行电解将氯离子注入第二侧。
    • 7. 发明公开
    • 프리캐스트 슬래브 궤도 시스템의 충진재 조성물
    • 用于预制斜拉索系统的填充组合物
    • KR1020130053195A
    • 2013-05-23
    • KR1020110118825
    • 2011-11-15
    • (주)에이치비티
    • 김경환손석제차윤호
    • C04B28/14C04B18/06C04B14/04C04B24/24
    • Y02W30/92C04B14/06C04B22/0093C04B22/064C04B28/04C04B2103/302
    • PURPOSE: A filling material composition of a precast slab track system is provided to enhance self filling property, high tenacity and frost resistance of the precast slab track system by including optimal contents of cement, silica fume, expander, dispersing agent and silica. CONSTITUTION: A filling material composition of a precast slab track system comprises 30-70 % of ordinary Portland cement, 2-15 % of silica fume, 1-10 % of CSA (calcium sulfo-aluminate) based and CaO (calcium oxide) based leavening agent, 0.1-2% of dispersing agent and 40-60% of silica sand. The compositional components of the filler composition of the precast slab track system are mixed at room temperature and under a condition of the atmospheric pressure. A manufacturing method of the filler composition of the precast slab track system comprises the following step: mixing cement, silica fume, expander, dispersing agent and silica in a mortar mixer for a predetermined time. The dispersing agent is melamine based, naphthalene based and polycarboxylic acid based water reducing agent. [Reference numerals] (AA) Cement; (BB) Silica; (CC) Silica fume; (DD) Filler for a precast slab track system; (EE) Dispersing agent; (FF) Expansion agent
    • 目的:提供预制板轨道系统的填充材料组合,通过包括水泥,硅灰,膨胀机,分散剂和二氧化硅的最佳含量,提高预制板轨道系统的自填充性,高强度和抗冻性。 构成:预制板轨道系统的填充材料组成包括30-70%的普通硅酸盐水泥,2-15%的硅灰,1-10%的CSA(磺酸铝钙)和CaO(氧化钙)基 膨松剂,0.1-2%分散剂和40-60%硅砂。 预制板坯轨道系统的填料组合物的组成成分在室温和大气压的条件下混合。 预制板坯轨道系统的填料组合物的制造方法包括以下步骤:在砂浆混合机中将水泥,硅灰,膨胀剂,分散剂和二氧化硅混合预定时间。 分散剂是三聚氰胺类,萘类和多元羧酸类减水剂。 (附图标记)(AA)水泥; (BB)二氧化硅; (CC)二氧化硅烟; (DD)预制板轨道系统的填料; (EE)分散剂; (FF)膨胀剂