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    • 2. 发明专利
    • Hydraulic blast furnace slag composition and concrete cured body
    • 液压烤炉渣组合物和混凝土固化体
    • JP2014125370A
    • 2014-07-07
    • JP2012282339
    • 2012-12-26
    • Takenaka Komuten Co Ltd株式会社竹中工務店Kajima Corp鹿島建設株式会社Takemoto Oil & Fat Co Ltd竹本油脂株式会社
    • YONEZAWA TOSHIOMITSUI TATEOINOUE KAZUMASAKOJIMA MASAOTSUJI DAIJIROMATSUSHITA TETSUROKANDA TETSUSHISAKATA NOBORUYODA KAZUHISAHASHIMOTO MANABUKINOSHITA MITSUOTAMAKI SHINJISAITO KAZUHIDEKURODA MOE
    • C04B28/08C04B14/28C04B24/38
    • PROBLEM TO BE SOLVED: To provide a hydraulic blast furnace slag composition and a concrete cured body obtained by curing the same that simultaneously and sufficiently solve the plurality of problems that a concrete composition prepared by using blast furnace slag highly containing binding material produces a concrete cured body of low compressive strength, and a hydraulic blast furnace slag composition produces a concrete cured body of lowered compressive strength when undergoes thermal history of temperature rising due to heat evolution during curing by hydration reaction, and also a hydraulic blast furnace slag composition has high S-value.SOLUTION: A hydraulic blast furnace slag composition containing the following admixture by an amount of 0.01 to 0.50 pts.mass per 100 pts.mass of the following binding material. Binding material: containing blast furnace slag fine powder having a fineness of 3000 to 8000 cm/g by an amount of 40 to 80 mass%, Portland cement by an amount of 15 to 55 mass%, and sulfate by an amount of 1.0 to 5.0 mass% in terms of SO(the sum of blast furnace slag fine powder, Portland cement and sulfate is 100 mass%). Admixture: composed of two components of the following A component and the following B component, and containing A component by an amount of 50 to 99 mass% and B component by an amount of 1 to 50 mass% (total 100 mass%). A component: a water soluble dextrin compound having a weight average molecular weight of 1000 to 20000 and a solubility into water at 21°C of 90% or more. B component: a water soluble dextrin compound having a weight average molecular weight of 20001 to 50000 and a solubility into water at 21°C of 90% or more.
    • 要解决的问题:提供一种液压高炉矿渣组合物和通过固化而获得的混凝土固化体,其同时充分地解决了通过使用高含有粘结材料的高炉渣制备的混凝土组合物产生混凝土固化的多个问题 液压高炉渣组合物在通过水化反应固化期间由于放热而经历由于升温引起的温度升高的热历史时产生具有降低的抗压强度的混凝土固化体,并且液压高炉渣组合物具有高S 价值。解决方案:一种液压高炉矿渣组合物,其含有以下混合物,其量为0.01至0.50磅/微升/ 100磅的以下粘结材料。 结合材料:含有40〜80质量%的细度为3000〜8000cm / g的高炉矿渣微粉,15〜55质量%的硅酸盐水泥,1.0〜5.0的硫酸盐 质量%以SO(高炉矿渣粉末,波特兰水泥和硫酸盐的总和为100质量%)。 外加剂:由以下A成分和以下B成分的两种成分组成,A成分为50〜99质量%,B成分为1〜50质量%(总计100质量%)。 A成分:重均分子量为1000〜20000的水溶性糊精化合物和在21℃下的水溶性为90%以上。 B成分:重均分子量为20001〜50000的水溶性糊精化合物和在21℃下在水中的溶解度为90%以上。
    • 6. 发明专利
    • Method of producing ready mixed concrete
    • 生产熟配混合料的方法
    • JP2014091243A
    • 2014-05-19
    • JP2012242177
    • 2012-11-01
    • Kajima Corp鹿島建設株式会社Milcon:Kk株式会社ミルコン
    • HASHIMOTO MANABUSAKATA NOBORUHAYASHI DAISUKESAKAI GOROAOYAMA HIROAKI
    • B28C7/04
    • PROBLEM TO BE SOLVED: To provide a method of producing ready mixed concrete containing liquid bubble material which causes less reduction of the amount of air even after carriage from a concrete factory to a pouring site.SOLUTION: A method of producing ready mixed concrete includes preparing a mixture by mixing at least cement, aggregate and water together, gas/liquid-mixing a bubbling agent solution containing at least an air entrainment agent and a capsule base agent with compressed air to form a liquid bubble material and mixing the mixture with the liquid bubble material to obtain ready mixed concrete containing the liquid bubble material. The step of forming the liquid bubble material includes adjusting the content of the air entrainment agent and/or the capsule base material in the bubbling agent solution according to one or more conditions selected from the time of carriage to the pouring site for the ready mixed concrete, carrying means for carrying the ready mixed concrete to the pouring site and the kneading temperature for the ready mixed concrete.
    • 要解决的问题:提供一种制备含有液泡材料的预混合混凝土的方法,即使在从混凝土工厂运输到浇注位置之后,空气的量也减少。解决方案:一种制备预拌混凝土的方法包括制备 混合物,至少将水泥,骨料和水混合在一起,将至少含有空气夹带剂的气泡溶液与胶囊基剂混合在一起,形成液泡材料,并将该混合物与液体混合 泡沫材料获得准备好的含有液泡材料的混合混凝土。 形成液泡材料的步骤包括根据一种或多种条件调节鼓泡剂溶液中的空气夹带剂和/或胶囊基材的含量,该条件选自从运输时到混合混凝土的浇注部位 用于将准备好的混凝土输送到浇注部位的承载装置和用于预混混凝土的混炼温度。
    • 9. 发明专利
    • Method and device for estimating property of concrete
    • 用于估算混凝土性能的方法和装置
    • JP2013174619A
    • 2013-09-05
    • JP2013112028
    • 2013-05-28
    • Kajima Corp鹿島建設株式会社
    • NAGOYA KAORUSAKATA NOBORUASHIZAWA RYOICHISAKAI GOROYOKOZEKI KOSUKEOTSUKA SHUNJISHIGENAGA AKIHIROKONDO KEIJI
    • G01N33/38
    • PROBLEM TO BE SOLVED: To provide an estimation method for continuously estimating fresh property with sufficient accuracy in normal concrete.SOLUTION: The estimation method of concrete property includes a property estimation step of inputting fresh concrete C to a hopper 13 of a concrete pump 1, and estimating the fresh property of the fresh concrete C on the basis of an agitation load relating to the rotation of an agitation wing 15 which agitates the fresh concrete C. The property estimation step includes estimating fresh property by comparing the agitation load with the preliminarily specified proper range of the agitation load. In the property estimation step, only the data acquired when the agitation wing 15 is completely buried under the liquid level of the fresh concrete C are adopted as the agitation load to be compared with the proper range.
    • 要解决的问题:提供一种用于在正常混凝土中以足够的精度连续估计新鲜性质的估计方法。解决方案:混凝土性能的估计方法包括将新鲜混凝土C输入到混凝土泵1的料斗13的性能估计步骤, 并根据与搅拌翼15的旋转相关的搅拌载荷来估算新拌混凝土C.该特性估计步骤包括通过将搅拌载荷与预先规定的搅拌载荷进行比较来估算新鲜性 适当的搅拌载荷范围。 在属性估计步骤中,仅将搅拌翼15完全埋在新鲜混凝土C的液面下时获取的数据作为搅拌载荷,与适当的范围进行比较。
    • 10. 发明专利
    • Cooling method of concrete structure
    • 混凝土结构冷却方法
    • JP2013159905A
    • 2013-08-19
    • JP2012020115
    • 2012-02-01
    • Kajima Corp鹿島建設株式会社
    • NUKUSHINA TATSUYAWATANABE KENZOYANAI SHUJIKUMABE ATSUSHIWATANABE ARIHISASAKATA NOBORUSAITO KIMIOSAKAI DAISUKE
    • E01D19/02E01D21/00E04G21/02
    • PROBLEM TO BE SOLVED: To provide a cooling method for constructing a concrete structure having a fixed height.SOLUTION: In a first installation step for a first lift, a first positioning pipe 13 is arranged at a position apart from the opening 12a of a first cooling pipe 12 in the cross direction. In a second installation step for a second lift, the first positioning pipe 13 is connected to the lower end of a second cooling pipe 22. The first cooling pipe 12 and the second cooling pipe 22 are thus independently arranged, each having a short length. The first cooling pipe 12 is filled with cement material to be supplied into a second form 21 through the top face of the cured cement material of the first lift. The first cooling pipe 12 is thus filled with cement material which is not directly fallen to the lower end of the first cooling pipe 12.
    • 要解决的问题:提供一种用于构造具有固定高度的混凝土结构的冷却方法。解决方案:在第一提升的第一安装步骤中,第一定位管13布置在离开第一 冷却管12在横向上。 在第二提升的第二安装步骤中,第一定位管13连接到第二冷却管22的下端。因此,第一冷却管12和第二冷却管22独立地布置,每个具有短的长度。 第一冷却管12填充有水泥材料,以通过第一升降机的固化的水泥材料的顶面供应到第二形式21。 因此,第一冷却管12填充有不直接落入第一冷却管12的下端的水泥材料。