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    • 2. 发明专利
    • Concrete compaction trace system
    • 混凝土跟踪系统
    • JP2014152591A
    • 2014-08-25
    • JP2013026345
    • 2013-02-14
    • Kajima Corp鹿島建設株式会社
    • NUKUSHINA TATSUYAWATANABE KENZOYANAI SHUJIKUMABE ATSUSHIWATANABE ARIHISASAKATA NOBORU
    • E04G21/08G01C15/00
    • PROBLEM TO BE SOLVED: To provide a system capable of specifying an insertion position of a compaction machine for a proper compaction time, while rotating a PDCA cycle based on data on a compaction position/a compaction time/an insertion interval/a placing position of an improper place, by easily and surely inspecting a concrete surface after frame separation, even in placing work of general concrete by using a vibrator.SOLUTION: The vibrator is provided with a recorder having a GPS device as position information detection means, and when starting compaction in a place for compacting for a specific time, a recording button on the recorder is turned on, and when moving to the other compaction place after finishing the compaction, the recording button is turned off, and time up to OFF from ON is recorded as a compaction time, and the GPS device is provided in a tip position of a concrete placing hose, and ON-OFF of the GPS device is interlocked with a concrete discharge button of a pump vehicle operating remote controller, and a concrete placing position is recorded on a placement recording drawing together with a compaction position.
    • 要解决的问题:提供一种能够指定压实机的适当压实时间的插入位置的系统,同时基于压缩位置/压实时间/插入间隔/放置位置的数据旋转PDCA循环 一个不正确的地方,即使在使用振动器进行一般混凝土的布置工作之后,也可以在框架分离后容易且可靠地检查混凝土表面。解决方案:振动器设有一个具有GPS装置的记录器作为位置信息检测装置,当起动时 在特定时间压缩的地方压实,记录器上的记录按钮被打开,并且当完成压缩之后移动到另一个压实位置时,记录按钮被关闭,并且记录从ON开始的时间到OFF 作为压实时间,将GPS装置设置在混凝土放置软管的顶端位置,GPS装置的开关与泵的混凝土排出按钮联动 车辆操作遥控器和混凝土放置位置与压实位置一起记录在放置记录图上。
    • 4. 发明专利
    • Quality evaluation method for concrete structure
    • 混凝土结构质量评估方法
    • JP2013238415A
    • 2013-11-28
    • JP2012109567
    • 2012-05-11
    • Kajima Corp鹿島建設株式会社
    • WATANABE ARIHISAYANAI SHUJIWATANABE KENZOKUMABE ATSUSHINUKUSHINA TATSUYA
    • G01N29/00G01N33/38
    • PROBLEM TO BE SOLVED: To provide a quality evaluation method for a concrete structure that does not impair its beauty, that can perform evaluation at the same position repeatedly, that can directly evaluate a cover portion (between a surface and a reinforcement), that does not unnecessarily open a hole having a small diameter, and that does not require extra repair work of filling of mortar.SOLUTION: Nondestructive/micro-destructive inspections are performed on a concrete structure 2 by utilizing a plastic cone hole 9 generated on a skeleton surface of the concrete structure 2. A micro-destructive inspection is performed in the plastic cone hole 9 using a small-diameter core or a drill 10. Alternatively, an air permeability test and a percolation test are performed.
    • 要解决的问题:为了提供不影响其美观的混凝土结构的质量评价方法,其可以在相同位置反复进行评价,能够直接评估覆盖部分(表面和加强件之间) 不必要地打开具有小直径的孔,并且不需要额外的填充砂浆的修复工作。解决方案:通过利用在骨架表面上产生的塑料锥孔9对混凝土结构2进行非破坏性/微破坏性检查 的混凝土结构2.使用小直径芯或钻头10在塑料锥孔9中进行微破坏性检查。或者,进行透气性试验和渗滤试验。
    • 6. 发明专利
    • γ-BELITE-CONTAINING CEMENT-BASED MATERIAL WITH IMPROVED CARBONATION POTENTIAL IN ACTUAL ENVIRONMENT
    • 具有改善碳酸化潜在实际环境的含γ-BELITE的水泥基材料
    • JP2007045652A
    • 2007-02-22
    • JP2005230350
    • 2005-08-09
    • Kajima Corp鹿島建設株式会社
    • ASHIZAWA RYOICHISAKATA NOBORUYOKOZEKI KOSUKEHAYASHI DAISUKEWATANABE KENZO
    • C04B41/64
    • PROBLEM TO BE SOLVED: To provide a γ-belite-containing cement-based material capable of being carbonated in a natural environment of high humidity.
      SOLUTION: The cement-based material with improved carbonation potential in an actual environment is manufactured by impregnating a hardened body of a cement mixture containing 10-85 pts.mass of γ-belite vs. 100 pts.mass of cement with a silicone-based water-repellent material from its surface to form a water-repellent surface layer with an average thickness of 5-20 mm. A mixture with a water/powder ratio of 20-50% is preferable. As the silicone-based water-repellent material, an emulsion containing an alkylalkoxysilane of 10-50 pts.mass vs. a polyorganosiloxane of 1 pt.mass, where the total content of the polyorganosiloxane and the alkylalkoxysilane is controlled to be 60-90 mass%, is usable.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供一种能够在高湿度的自然环境中碳酸化的含有γ-Belite的水泥基材料。 解决方案:在实际环境中具有改善的碳酸化潜力的水泥基材料是通过将含有10-85重量%的γ-belite相对于100磅水泥的水泥混合物硬化体浸渍在 硅氧烷基防水材料从其表面形成平均厚度为5-20mm的拒水表面层。 水/粉末比例为20-50%的混合物是优选的。 作为硅氧烷类防水材料,含有10-50质量度的烷基烷氧基硅烷与1重量%聚硅氧烷的乳液,其中聚有机硅氧烷和烷基烷氧基硅烷的总含量控制在60-90质量% %,可用。 版权所有(C)2007,JPO&INPIT
    • 7. 发明专利
    • Mortar or concrete having compacted surface layer and its manufacturing method
    • 具有压实表面层的碎片或混凝土及其制造方法
    • JP2006182583A
    • 2006-07-13
    • JP2004375549
    • 2004-12-27
    • Denki Kagaku Kogyo KkKajima Corp電気化学工業株式会社鹿島建設株式会社
    • WATANABE KENZOYOKOZEKI KOSUKESAKATA NOBORUASHIZAWA RYOICHIMORIOKA MINORUOKUYAMA KOJIHIGUCHI TAKAYUKI
    • C04B28/02B28B11/24C04B14/04C04B14/38C04B40/02
    • PROBLEM TO BE SOLVED: To provide a durable cement-based material improved in resistance against Ca-elution, salt damage, scaling and freezing and thawing. SOLUTION: The mortar or concrete having a compacted surface layer is a cured product of a kneaded material containing 8-70 mass pts. of γ-belite against 100 mass pts. of cement, wherein the mortar or concrete has a compacted layer in its surface layer part and has a porosity ratio K 1 /K 2 of 0.8 or less wherein K 1 represents the porosity of the compacted layer and K 2 represents the porosity of the inner part excluding the compacted layer. Alternatively, the mortar or concrete having a compacted surface layer is a cured product of a cement kneaded material containing at least one or two or more of γ-belite, α-wollastonite and a calcium magnesium silicate, wherein the surface layer is carbonated after cured. The thickness of the compacted layer is for example 0.5-10 mm. COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供耐Ca洗脱,盐损伤,结垢和冷冻和解冻的耐久性水泥基材料。 解决方案:具有压实表面层的砂浆或混凝土是含有8-70质量比的捏合材料的固化产物。 的γ-belite对100质量吨。 的水泥,其中所述砂浆或混凝土在其表面层部分具有压实层,并且具有0.8或更小的孔隙率K 1 / K 2 ,其中K 1 表示压实层的孔隙率,K <2> 表示除压实层之外的内部部分的孔隙率。 或者,具有压实表面层的砂浆或混凝土是含有γ贝氏体,α-硅灰石和硅酸钙镁中的至少一种或两种以上的水泥捏合材料的固化产物,其中表面层在固化后被碳酸化 。 压实层的厚度例如为0.5-10mm。 版权所有(C)2006,JPO&NCIPI
    • 10. 发明专利
    • 養生シート設置装置及び養生シート設置方法
    • 固化装置和固化装置的安装方法
    • JP2014214553A
    • 2014-11-17
    • JP2013094536
    • 2013-04-26
    • 鹿島建設株式会社Kajima Corp
    • IKEMATSU KENJISAKATA NOBORUWATANABE KENZONUKUSHINA TATSUYAHAGIWARA TOMOHISA
    • E21D11/10E04G21/02
    • E04G21/02E21D11/10
    • 【課題】トンネルの壁面に打設される覆工コンクリートの養生シートを、効率良く設置する設置装置及び設置方法を提供する。【解決手段】養生シート設置装置1は、トンネル100の壁面101に打設される覆工コンクリートCの養生シート10を設置する装置であって、養生シート10がロール状に巻かれてなる養生シートロール11をトンネル100の周方向に移動させ養生シートロール11を解きながらセントル91の外側面92上に養生シート10を装着する養生シート装着部3と、周方向に湾曲して延在しセントル91及び養生シート10の外側に打設された覆工コンクリートCに向けて養生シート10を押さえ込むための固定バンド6を予め保持する固定部材保持部5と、を備える。【選択図】図1
    • 要解决的问题:提供一种安装装置和安装方法,用于有效地安装放置在隧道的墙壁表面上的衬里混凝土的固化片。解决方案:固化片安装装置1是用于安装固化片10的装置 设置在隧道100的壁面101上的衬里混凝土C,并且包括:固化片安装部3,用于将固化片10安装在拱中心91的外表面92上,同时通过移动来释放固化片11 将固化片10沿隧道100的圆周方向卷成卷状的固化片卷11; 以及固定构件保持部5,用于预先固定固定带6,以将固化片10朝向拱形中心91外侧的衬里混凝土C和固化片10沿圆周方向弯曲延伸。