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    • 1. 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。
    • 2. 发明专利
    • Water-hardenable hardened body
    • 水可硬化身体
    • JP2014088278A
    • 2014-05-15
    • JP2012238607
    • 2012-10-30
    • Sanwa Sekisan Kk三和石産株式会社Kajima Corp鹿島建設株式会社
    • MOMOSE HARUMOTOKANDA TETSUSHIAOKI SHINICHIOKAWA KEN
    • C04B28/00C04B18/08C04B28/04C04B28/08
    • Y02W30/92Y02W30/94
    • PROBLEM TO BE SOLVED: To provide a water-hardenable hardened body which has sufficient strength, is usable as reinforced concrete and can reduce discharge of CO.SOLUTION: A water-hardenable hardened body is obtained by kneading industrial by-products, e.g. fly ash and blast furnace slag, fine powder of concrete sludge, aggregate, and, if necessary, additives. The fine powder of concrete sludge is obtained from residual concrete or return concrete. Sludge water is obtained by adding water to residual concrete or return concrete to form a slurry and removing ballast, sand and fine sand from the slurry; the sludge water is dehydrated to obtain a dehydrated cake; and the dehydrated cake is charged into a specified rotary drum to be blown with hot air and crushed and dried to obtain fine powder of concrete sludge. The fine powder of concrete sludge preferably has a specific surface area of 8,000 cm/g or smaller.
    • 要解决的问题:为了提供具有足够强度的水硬化性硬化体,可用作钢筋混凝土,并且可以减少CO的排放。溶解性:通过捏合工业副产物,例如水可硬化硬化体。 粉煤灰,高炉矿渣,混凝土污泥粉末,骨料,必要时添加剂。 混凝土污泥的细粉由残余混凝土或回流混凝土得到。 通过向剩余混凝土或返回混凝土中加入水以形成浆料并从浆料中除去压载物,砂和细砂获得污泥水; 将污泥水脱水,得到脱水饼; 将脱水饼装入规定的旋转鼓中,用热空气吹送并粉碎并干燥,得到混凝土淤泥的细粉末。 混凝土污泥的细粉末的比表面积优选为8000cm / g以下。
    • 5. 发明专利
    • Reinforced concrete block wall body and its construction method
    • 加固混凝土墙体及其施工方法
    • JP2008231827A
    • 2008-10-02
    • JP2007074699
    • 2007-03-22
    • Central Japan Railway CoKajima Corp東海旅客鉄道株式会社鹿島建設株式会社
    • YAMANOBE SHINICHIKANDA TETSUSHISOGABE NAOKIARAKI HARUYUKIKUDO TOSHIAKISEKI MASAKIYOSHIDA KOJI
    • E01D19/02E01D22/00E04G23/02
    • PROBLEM TO BE SOLVED: To make a wall body and a fiber sheet share shearing force when the wall body causes shearing deformation, while securing unity of respective concrete blocks, in the concrete block wall body. SOLUTION: The fiber sheet 3 is stuck to at least one surface of the concrete block wall body 2 by an adhesive 3a, and the fiber sheet 3 made to follow the shearing deformation of the wall body 2 as a fiber reinforced sheet 4 integrated with the adhesive 3a. The wall body 2 is restricted in the deformation by its peripheral frame 5 or the ground 6. A steel material 7 straddling between the wall body 2 and the frame 5 is integrated into both the wall body 2 and the frame 5, and the wall body 2 is restricted by the frame 5. The wall body 2 is restricted by a receiving beam 14 constituted between columns 51 and 51 of the frame 5 and integrated into both columns. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:为了使壁体和纤维片在壁体引起剪切变形时共享剪切力,同时将混凝土块的单位固定在混凝土块体中。 解决方案:纤维片3通过粘合剂3a粘附在混凝土块体主体2的至少一个表面上,并且纤维片3制成跟随壁体2的剪切变形作为纤维增强片4 与粘合剂3a一体化。 壁体2通过其周边框架5或地面6被限制在变形中。跨越壁体2和框架5之间的钢材7一体地被固定在壁体2和框架5中,并且壁体 2由框架5限制。壁体2由构成在框架5的列51和51之间的接收梁14限制,并被集成到两个列中。 版权所有(C)2009,JPO&INPIT
    • 6. 发明专利
    • Step cushioning structure
    • 步骤结构
    • JP2008184794A
    • 2008-08-14
    • JP2007018793
    • 2007-01-30
    • Kajima CorpShimane Univ国立大学法人島根大学鹿島建設株式会社
    • SAKATA NOBORUHIRAISHI YOSHIKIKANDA TETSUSHINAGATSUKA ISAMUUENO KAZUHIRO
    • E01C9/08
    • C04B28/02C04B2111/0075C04B2111/343C04B14/06C04B16/0641C04B20/0076
    • PROBLEM TO BE SOLVED: To provide a step cushioning structure which is proof against block formation (crazing) caused by cracking or chipping, irrespective of whether the structure is a cast-in-place product or a precast product, contributes to drastic extension of the service life and reduction of life cycle costs, and brings about comfortable and safe passage thereon.
      SOLUTION: The step cushioning structure is formed by filling a high-tenacity cement-based fiber-reinforced cement composite material to shape a slope, or arranging a block molded of the same cement composite material on a step portion. The high-tenacity cement-based fiber-reinforced cement composite material is of a crack dispersed type, exhibiting a tensile strain of 1% or more in a tensile test of a 28-day-old hardened body, and obtained by dispersing and blending PVA short fibers having the following features [F1]: fiber strength of 1,500 to 2,400 Mpa; fiber diameter of 50 μm or less; and fiber length of 5 to 20 mm, at random in three-dimensional directions in a blending matrix having a water-cement ratio (W/C×100) of 25% or more and a sand-cement ratio (S/C) of 1.5 or less (inclusive of 0), in a compounded amount of more than 1.0 and not more than 3 vol.%.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:为了提供防止由于裂纹或碎裂引起的块形成(裂纹)的阶梯缓冲结构,而不管结构是现浇产品还是预制产品,都有助于激烈的 延长使用寿命,降低生命周期成本,并在其上带来舒适安全的通道。 解决方案:步骤缓冲结构是通过填充高强度水泥基纤维增强水泥复合材料以形成斜面而形成的,或者将由相同的水泥复合材料模制的块体设置在台阶部分上。 高强度水泥基纤维增强水泥复合材料为裂纹分散型,在28天硬化体的拉伸试验中的拉伸应变为1%以上,通过将PVA 短纤维具有以下特征[F1]:纤维强度为1500〜2400Mpa; 纤维直径为50μm以下; 纤维长度为5〜20mm,水泥比(W / C×100)为25%以上的砂浆混合比例(S / C)为3〜 1.5以下(包括0),配合量大于1.0且不大于3体积%。 版权所有(C)2008,JPO&INPIT
    • 7. 发明专利
    • Floor concrete structure and its construction method
    • 地板混凝土结构及其施工方法
    • JP2007107186A
    • 2007-04-26
    • JP2005296184
    • 2005-10-11
    • Kajima CorpTohoku UnivToyota Industries Corp国立大学法人東北大学株式会社豊田自動織機鹿島建設株式会社
    • OMI TADAHIROSHIRAI YASUYUKIHANAOKA HIDEOAKATSUKA HIROKIUCHIDA KEIJIGOTO SHIGEYUKIKANDA TETSUSHIHIBINO AKIRAMOMOSE HARUMOTO
    • E04B5/43E04B1/20E04G21/02
    • E04F15/12
    • PROBLEM TO BE SOLVED: To provide a floor concrete structure and its construction method being effective in a building becoming the problem in an air quality such as particularly a semiconductor factory by preventing generation of out-gas by preventing generation of an opening and a crack of a successively jointing part even to generation of a crack by a complex factor such as three of temperature stress by remarkable hardening initial heat of hydration, long-term dry contraction and temperature contraction caused by a temperature drop in dirt floor concrete act on the so-called mass concrete of a large cross section in a dirt floor slab having the large area and the relatively high cross-section in an industrial facility. SOLUTION: A division formed of concrete mutually different in an expansion coefficient is alternately arranged. As one example, this division formed of the concrete mutually different in the expansion coefficient is a division formed of the concrete mutually different in the expansion coefficient being a division formed of concrete without containing an expansion material and a division formed of concrete containing the expansion material. COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供一种地板混凝土结构及其施工方法,在建筑物中有效地成为诸如特别是半导体工厂的空气质量的问题,通过防止产生开口而产生废气, 连续接合部分的裂纹甚至通过诸如三个温度应力的复杂因素产生裂纹,通过显着硬化水合初始热量,长期干燥收缩和由于灰尘地板混凝土的温度下降引起的温度收缩 在工业设施中具有大面积和相对高的横截面的污垢地板中的大截面的所谓大体积混凝土。 解决方案:交替地布置由膨胀系数相互不同的混凝土形成的分隔。 作为一个例子,由膨胀系数相互不同的混凝土形成的分割是由不含膨胀材料的混凝土形成的分隔体的膨胀系数相互不同的混凝土形成的分隔体和由含有膨胀材料的混凝土形成的分隔 。 版权所有(C)2007,JPO&INPIT
    • 10. 发明专利
    • Construction state recording method, construction state recording apparatus, and positional information registration apparatus
    • 施工状态记录方法,建筑状态记录装置和位置信息注册装置
    • JP2009275406A
    • 2009-11-26
    • JP2008127584
    • 2008-05-14
    • Kajima Corp鹿島建設株式会社
    • SAI SHIGEHIROKANDA TETSUSHIYOSHIDA TOMOHIROMOMOSE HARUMOTOASAOKA SHIGERU
    • E04G21/00G06K17/00
    • PROBLEM TO BE SOLVED: To provide a construction state recording method which enables the easy management of information on a construction state associated with a construction location, and a construction state recording apparatus and a positional information registration apparatus for use in the method.
      SOLUTION: This construction state recording method for recording the information on the construction state in a building construction process includes: a positional information storage step of storing positional information on a prescribed position in an RFID tag 11 attached to the prescribed position in a building; a data acquisition step of acquiring photographic data in the prescribed position; and a data storage step of acquiring the positional information on the prescribed position from the RFID tag 11 and of storing the photographic data in a prescribed storage means in such a manner that they are associated with the positional information. In the method, since the positional information acquired from the RFID tag 11 is stored in the storage means in such a manner as to be associated with the photographic data, the photographic data associated with the construction location can be easily managed.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种施工状态记录方法,其能够容易地管理与施工位置相关联的施工状态的信息,以及用于该方法的施工状态记录装置和位置信息登记装置。 解决方案:用于在建筑施工过程中记录关于施工状态的信息的该施工状态记录方法包括:位置信息存储步骤,将位置信息存储在安装在规定位置的RFID标签11中的规定位置上 建造; 数据获取步骤,在所述规定位置获取摄影数据; 以及数据存储步骤,从RFID标签11获取关于规定位置的位置信息,并将摄影数据存储在规定的存储装置中,使得它们与位置信息相关联。 在该方法中,由于从RFID标签11获取的位置信息以与拍摄数据相关联的方式存储在存储装置中,因此可以容易地管理与施工位置相关联的拍摄数据。 版权所有(C)2010,JPO&INPIT