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    • 2. 发明公开
    • 고활성시멘트의 제조방법
    • 生产高活性水泥的方法
    • KR1020020049816A
    • 2002-06-26
    • KR1020000079111
    • 2000-12-20
    • 한일시멘트 (주)
    • 홍성윤
    • C04B7/00
    • C04B2/104C04B7/362C04B7/42C04B7/52C04B2111/00448
    • PURPOSE: Provided is a method for producing a highly active cement capable of overcoming a problem associated with the generation of heat of hydration occurring in unmixed concrete. CONSTITUTION: The method comprises the steps of (i) mixing 0.2-0.7 parts by weight(based on F-) of fluorapatite to composition consisting of 80-90 parts by weight of low quality limestone having 1 parts by weight of K2O, 2-5 parts by weight of clay or agalmatolite, 1-3 parts by weight of sulfate material, and 1-3 parts by weight of red mud, (ii) controlling a fineness of the mixed material so that residues having particle size of 88 micron are 15 wt% or less, (iii) baking the mixed material in rotatory furnace at 1450 deg.C, and (iv) crushing the baked material into particles having fineness of 3000-4000 cm¬2/g without adding separate gypsum.
    • 目的:提供一种生产高活性水泥的方法,该水泥能够克服与未混合混凝土中发生的水化发热相关的问题。 构成:该方法包括以下步骤:(i)将0.2-0.7重量份(基于F-)的氟磷灰石与由80-90重量份的低质量石灰石组成的组合物混合,所述低质量石灰石具有1重量份的K 2 O, 5重量份的粘土或石灰石,1-3重量份的硫酸盐材料和1-3重量份的红泥,(ii)控制混合材料的细度,使得颗粒尺寸为88微米的残留物为 15重量%以下,(iii)在旋转炉中在1450℃下烘烤混合材料,(iv)将焙烧物粉碎成粒度为3000-4000cm2 / g的颗粒,而不添加单独的石膏。
    • 8. 发明授权
    • 고활성시멘트의 제조방법
    • 고활성시멘트의제조방법
    • KR100404337B1
    • 2003-11-01
    • KR1020000079111
    • 2000-12-20
    • 한일시멘트 (주)
    • 홍성윤
    • C04B7/00
    • C04B2/104C04B7/362C04B7/42C04B7/52C04B2111/00448
    • PURPOSE: Provided is a method for producing a highly active cement capable of overcoming a problem associated with the generation of heat of hydration occurring in unmixed concrete. CONSTITUTION: The method comprises the steps of (i) mixing 0.2-0.7 parts by weight(based on F-) of fluorapatite to composition consisting of 80-90 parts by weight of low quality limestone having 1 parts by weight of K2O, 2-5 parts by weight of clay or agalmatolite, 1-3 parts by weight of sulfate material, and 1-3 parts by weight of red mud, (ii) controlling a fineness of the mixed material so that residues having particle size of 88 micron are 15 wt% or less, (iii) baking the mixed material in rotatory furnace at 1450 deg.C, and (iv) crushing the baked material into particles having fineness of 3000-4000 cm¬2/g without adding separate gypsum.
    • 目的:提供一种生产高活性水泥的方法,其能够克服与未混合混凝土中发生的水合热产生有关的问题。 构成:该方法包括以下步骤:(i)将0.2-0.7重量份(基于F-)的氟磷灰石混合到由80-90重量份的具有1重量份K 2 O的低品质石灰石, 5重量份的粘土或石膏,1-3重量份的硫酸盐物质和1-3重量份的赤泥,(ii)控制混合物的细度,使得粒度为88微米的残余物 (iii)在1450℃下在旋转炉中烘焙混合材料,和(iv)在不添加单独的石膏的情况下将烘焙材料粉碎成细度为3000-4000cm 2 / g的颗粒。
    • 10. 发明授权
    • 3성분계 결합재 및 3성분계 잠열성 수화열 저감제를 함유한저발열 콘크리트 조성물
    • 使用3型组合和3型热存储组合物的低热建筑混凝土组合物
    • KR100796534B1
    • 2008-01-21
    • KR1020060099111
    • 2006-10-12
    • 대림산업 주식회사주식회사트라이포드계룡건설산업 주식회사
    • 김용로정양희이상호길배수김도수이병기이시구한승구윤길호김택중송권용김재온
    • C04B28/04C04B28/08C04B22/08C04B14/00
    • C04B28/04C04B28/08C04B2111/00448Y02W30/92Y02W30/94C04B14/02C04B18/08C04B18/141C04B20/0096C04B40/0028C04B2103/0089C04B2103/304C04B14/04C04B22/085C04B22/12C04B22/16
    • A low heat concrete composition is provided to ensure specified concrete strength, maximize a substitution ratio of cement with fly ash and blast furnace slag fine powder, and increase a hydration heat reduction effect of concrete. A low heat concrete composition is obtained by mixing 13-40wt.%of a ternary system latent binder with 20-50wt.%of fine aggregate, 25-55wt.%of coarse aggregate, and 5-8wt.%of one water selected from industrial water and tap water. The ternary system latent binder is obtained by mixing 0.5-2.5wt.%of a high-performance air-entrained agent with 0.5-10wt.%of a liquefied latent hydration heat reducing agent, based on 100 parts by weight of a binder prepared by mixing 30-60wt.%of general purpose portland cement or blast furnace slag cement, 30-60wt.%of blast furnace slag fine powder, and 10-30wt.%of fly ash. The liquefied latent hydration heat reducing agent is prepared by mixing 15.3-32.0wt.%of a silica-based diluted solution, 3-60wt.%of a latent mixture of nitrate-, chloride-, and phosphate-based compounds, and 8.0-81.7wt.%of water. Further, the silica-based diluted solution of the liquefied latent hydration heat reducing agent is manufactured by diluting 60.0-95.0 wt.% of one selected from Na2SiO3, Si(OH)4, TEOS[Si(OC2H5)] with water.
    • 提供低热混凝土组合物,以确保具体的混凝土强度,最大化水泥与粉煤灰和高炉矿渣细粉的替代率,并提高混凝土的水合减热效果。 通过将13-40重量%的三元体系潜在粘合剂与20-50重量%的细骨料,25-55重量%的粗骨料和5-8重量%的一种水混合,获得低热混凝土组合物, 工业用水和自来水。 通过将0.5-2.5重量%的高性能空气夹带剂与0.5-10重量%的液化潜热合还原剂混合,得到三元体系潜在粘合剂,基于100重量份由 混合30-60重量%的普通硅酸盐水泥或高炉矿渣水泥,30-60重量%的高炉矿渣细粉和10-30重量%的飞灰。 通过混合15.3-32.0重量%的二氧化硅基稀释溶液,3-60重量%的硝酸盐,氯化物和磷酸盐类化合物的潜在混合物和8.0-32.0重量%的液体潜在水合减热剂, 81.7重量%的水。 此外,通过用水稀释60.0-95.0重量%的选自Na 2 SiO 3,Si(OH)4,TEOS [Si(OC 2 H 5)]的一种来制备液化潜热合还原剂的二氧化硅基稀释溶液。