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    • 1. 发明专利
    • Method and instrument for measuring available time of concrete
    • 用于测量混凝土可用时间的方法和仪器
    • JP2007263921A
    • 2007-10-11
    • JP2006093157
    • 2006-03-30
    • Taiheiyo Cement Corp太平洋セメント株式会社
    • MITANI YUJIKAJIO SATOSHIFUJITA HITOSHI
    • G01N33/38
    • PROBLEM TO BE SOLVED: To provide a measuring method and a measuring instrument for readily measuring an available time of concrete, without having to use a proctor needle test machine.
      SOLUTION: The method for measuring the available time of the concrete obtains the available time of the concrete, by measuring a distortion when the concrete is condensed. The start of generation of the distortion, when the concrete is condensed, is considered as the start of condensation of the concrete. A measuring instrument has a restriction rod installed within the concrete, and a strain gauge mounted to the restriction rod. The method uses the measuring instrument and measures the start of generation of the distortion, by using the strain gauge when the concrete is condensed.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供用于容易地测量混凝土的可用时间的测量方法和测量仪器,而不必使用检针机试验机。 解决方案:通过测量混凝土凝结时的变形,测量混凝土可用时间的方法可获得混凝土的可用时间。 当混凝土凝结时,产生变形的开始被认为是混凝土的冷凝开始。 测量仪器具有安装在混凝土内的限制杆,以及安装在限制杆上的应变仪。 该方法使用测量仪器,通过在混凝土冷凝时使用应变计测量变形的产生开始。 版权所有(C)2008,JPO&INPIT
    • 3. 发明专利
    • Concrete setting object and concrete composition
    • 混凝土设定对象和混凝土组合物
    • JP2007261933A
    • 2007-10-11
    • JP2007050406
    • 2007-02-28
    • Taiheiyo Cement CorpUniv Nihon太平洋セメント株式会社学校法人日本大学
    • KAJIO SATOSHIFUJITA HITOSHITSURUTA MASAHIROHASHIMOTO MASAYUKIKUBOTA HIROYASUMAKI TAKATERUIWAKI ICHIRO
    • C04B28/02C04B7/345C04B14/48C04B16/06C04B22/06C04B22/08C04B22/14C04B24/06
    • Y02P40/148
    • PROBLEM TO BE SOLVED: To provide a concrete setting object which has high strength while being accompanied by rapid development of strength, can reduce the shrinkage distortion due to self-shrinkage, drying shrinkage, etc., and can prevent the occurrence of a crack etc., due to shrinkage distortion. SOLUTION: The concrete setting object is prepared by setting a formulated material including an expandable admixture including a clinker composition containing a hydraulic composition including 0.1 to 3.0 parts by mass lithium carbonate of 1,000 to 4,000 cm 2 /g specific surface area, based on 100 parts by mass, calcium sulfoaluminate composition including 3 to 60 mass% calcium sulfoaluminate and 1 to 40 mass% anhydrous gypsum, and a composition including one or two or more kinds selected from the group consisting of a 3CaO-SiO 2 -2CaO-SiO 2 -CaO-interstitial material-based composition, 3CaO-SiO 2 -CaO-interstitial material-based composition, 2CaO-SiO 2 -CaO-interstitial material-based composition, and CaO-interstitial material-based composition, and containing 50 to 92 mass% CaO of the total mass of these compositions, and gypsum, metallic fibers or organic fibers. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:为了提供具有高强度同时伴随着强度快速发展的混凝土设定对象,可以减少由于自收缩,干燥收缩等引起的收缩变形,并且可以防止发生 裂纹等,由于收缩变形。 解决方案:通过设定包含可膨胀混合物的配制材料来制备混凝土设定对象,所述可膨胀混合物包括含有水硬性组合物的熟料组合物,所述水硬性组合物包含0.1至3.0质量份的1,000至4,000cm 2的SP / /比表面积,基于100质量份,包含3〜60质量%的磺基铝酸钙和1〜40质量%的无水石膏的磺酸铝钙组合物,以及选自由以下组成的组中的一种或两种以上的组合物: 3CaO-SiO 2 SBA-SiO 2 SiO 2 -SaO-interstitial材料基组合物,3CaO-SiO -CaO-间质材料基 组合物,2CaO-SiO -CaO-间隙材料基组合物和CaO-间隙材料基组合物,并且含有这些组合物总质量的50-92质量%的CaO,石膏, 金属纤维或有机纤维。 版权所有(C)2008,JPO&INPIT
    • 4. 发明专利
    • Paving concrete
    • 摊铺混凝土
    • JP2011214231A
    • 2011-10-27
    • JP2010080540
    • 2010-03-31
    • Taiheiyo Cement Corp太平洋セメント株式会社
    • KAJIO SATOSHIFUJITA HITOSHIOKANO TOMOYA
    • E01C7/14
    • PROBLEM TO BE SOLVED: To provide long-life paving concrete excellent not only in the development of long-term strength but also in the development of initial strength, and capable of bringing about a traffic opening early from the start of paving work.SOLUTION: The paving concrete is obtained by hardening a concrete composition which contains at least a binding material containing Portland cement with a 2CaO/SiOcontent of 30-40 mass% and pozzolanic fine powder with a BET specific surface area of 5-15 m/g. In the paving concrete, bending strength at age of one day is 3.5 N/mmor higher.
    • 要解决的问题:提供长寿命铺路混凝土,不仅在长期实力的发展中,而且在初始实力的发展中,也能够从铺路工作开始初期开始交通。解决方案: 摊铺混凝土是通过硬化含有至少含有30-40质量%的2CaO / SiO含量的波特兰水泥的结合材料和BET比表面积为5-15m / g的火山灰细粉末的混凝土组合物而获得的。 在铺路混凝土中,一天的弯曲强度为3.5N / mm或更高。
    • 6. 发明专利
    • Method for determining blending amount of expansive material, method for producing concrete hardened body and shrinkage suppressing method
    • 用于确定膨胀材料的混合量的方法,用于生产混凝土体的方法和收缩抑制方法
    • JP2011001251A
    • 2011-01-06
    • JP2009148116
    • 2009-06-22
    • Taiheiyo Cement Corp太平洋セメント株式会社
    • HYODO HIKOJIFUJITA HITOSHITANIMURA MITSURU
    • C04B22/06C04B22/14C04B28/02C04B103/60E04G21/02
    • PROBLEM TO BE SOLVED: To provide a method for easily and speedily determining a proper blending amount of an expansive material at the time of producing a concrete, to provide a method for producing a concrete hardened body capable of obtaining a desired expanding strain by determining the proper blending amount of the expansive material by the method, and to provide a method for suppressing shrinkage of the concrete hardened body.SOLUTION: The method for determining the blending amount of the expansive material when concrete is produced depending on a desired blending design comprises producing a concrete test piece for measuring the expanding strain by mixing the expansive material having an arbitrary blending amount, measuring the expanding strain of the concrete test piece, and determining the blending amount of the expansive material so that the expanding strain of the concrete hardened body becomes the target value when the measured value is set as an index.
    • 要解决的问题:提供一种在制造混凝土时容易且快速地确定膨胀材料的适当混合量的方法,以提供一种通过确定所述膨胀应变来获得期望的膨胀应变的混凝土硬化体的制造方法 通过该方法适当地混合膨胀材料,并提供抑制混凝土硬化体的收缩的方法。解决方案:根据所需的混合设计,制造混凝土时膨胀材料的混合量的确定方法包括: 用于通过混合具有任意混合量的膨胀材料来测量膨胀应变的混凝土试件,测量混凝土试件的膨胀应变,并确定膨胀材料的混合量,使得混凝土硬化体的膨胀应变变为 将测量值设置为指标时的目标值。
    • 8. 发明专利
    • Water-retentive cement composition, paving block, and paving structure
    • 水固性水泥组合物,铺块和铺筑结构
    • JP2007332684A
    • 2007-12-27
    • JP2006166697
    • 2006-06-15
    • Taiheiyo Cement Corp太平洋セメント株式会社
    • TADA KATSUHIKOFUJITA HITOSHIKARASAWA AKIHIKOUZAWA MASAMIKAMAYA TAKEETSU
    • E01C11/24C04B14/10C04B28/02E01C5/06E01C7/35
    • PROBLEM TO BE SOLVED: To provide a water-retentive cement composition for filling in a continuous gap of a hardened porous body constituting a hardened body for pavement, which is capable of enhancing the effect of inhibiting a rise in a road surface temperature of the hardened body for pavement due to direct sunlight in the summer season and also capable of lengthening a duration of the effect.
      SOLUTION: The water-retentive cement composition contains cement, sepiolite and water, which has an amount of blended water greater than 180 parts in mass compared with 100 parts in mass as a total of the cement and the sepiolite. A proportion of water in the water-retentive cement composition is desired to be greater than 55 mass percentage. The water-retentive cement composition can be used as a filler for a continuous gap of paving blocks 3, and also as a material for joints 4. A paving structure 1 comprises paving blocks 3, joints 4, a sand layer 5, a subbase course 6 made of crusher-run, and existing subgrade 7 as ground.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种用于填充构成用于路面的硬化体的硬化多孔体的连续间隙的保水性水泥组合物,其能够增强抑制路面温度上升的效果 由于夏季阳光直射而导致的路面硬化体,并且还能够延长其效果。 < P>解决方案:保水性水泥组合物含有水泥,海泡石和水,其混合水的量相对于水泥和海泡石的总和为100质量份。 保水性水泥组合物中的水的比例希望大于55质量%。 保水性水泥组合物可以用作铺路砖3的连续间隙的填料,也可以用作接缝4的材料。铺路结构1包括铺路砖3,接缝4,砂层5,底基层 6由破碎机运行,现有路基7为地面。 版权所有(C)2008,JPO&INPIT
    • 10. 发明专利
    • Method of manufacturing counter weight
    • 制造计数器的方法
    • JP2009184173A
    • 2009-08-20
    • JP2008024874
    • 2008-02-05
    • Taiheiyo Cement Corp太平洋セメント株式会社
    • FUJITA HITOSHIHIGO YASUHIDE
    • B28B1/24C04B14/30C04B14/34C04B18/14C04B20/00C04B28/02
    • C04B28/02C04B14/02C04B14/308C04B14/34C04B20/0008C04B20/0092
    • PROBLEM TO BE SOLVED: To provide a method of manufacturing a counter weight which can use a prepacked construction method for manufacturing the counter weight of construction machinery by a grouting mortar having an excellent flowability containing weight fine aggregate, and to reduce vibration generated when compacting weight concrete used in manufacturing the counter weight.
      SOLUTION: In the method of manufacturing the counter weight, a rough aggregate is previously filled and the mortar is cast into a clearance of the rough aggregate. The weight fine aggregate contained in the mortar is an aggregate containing at least one of FeO, Fe
      2 O
      3 , and metallic iron as a main constituent. In the weight fine aggregate, spherical particles contains 20% or more among whole particles, and particles passing through a screen having a nominal size of 0.15 mm are 10-20% by mass percentage among whole particles.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 解决问题的方案:提供一种制造配重的方法,该方法可以使用预先包装的施工方法,用于通过具有优异流动性的含有重量细骨料的灌浆砂浆制造施工机械的配重,并减少产生的振动 当压实配重用于制造配重时。 解决方案:在制造配重的方法中,预先填充粗骨料,并将砂浆浇铸成粗骨料的间隙。 砂浆中所含的重量细骨料是含有FeO,Fe O 3 和金属铁作为主要成分中的至少一种的骨料。 在重量微细骨料中,球状颗粒在整个颗粒中含有20%以上,通过标称尺寸为0.15mm的筛子的颗粒在全粒子中为10〜20质量%。 版权所有(C)2009,JPO&INPIT