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    • 5. 发明专利
    • Slag hardening composition and creating method thereof
    • SLAG硬化组合物及其制备方法
    • JP2012214317A
    • 2012-11-08
    • JP2011080015
    • 2011-03-31
    • Taisei Corp大成建設株式会社
    • OKAMOTO REIKOMARUYA TAKESHITAKEDA HITOSHIMIYAHARA SHIGESADA
    • C04B28/08B28C7/04C04B14/28C04B22/10
    • PROBLEM TO BE SOLVED: To provide a slag hardening composition which can dramatically reduce the amount of carbon dioxide discharged in a creating process thereof by using a binder substituted for burnt cement, makes special curing such as steam curing unnecessary in the formation process, and can develop strength comparable to or higher than that of concrete using cement, and to provide a formation method of the com position.SOLUTION: The slag hardening composition contains as principal components, a fine aggregate, a coarse aggregate, fine limestone powder, fine slag powder which is a binder, sodium carbonate which is an alkali stimulant, a chemical admixture for concrete, and water. The alkali stimulant is preferably contained in an amount of ≥10 kg/mas alkali equivalent expressed in terms of NaO.
    • 待解决的问题:提供一种能够通过使用取代烧结水泥的粘合剂在显影过程中排出的二氧化碳量显着减少的炉渣硬化组合物,在形成过程中不需要特殊固化如蒸汽固化 并且可以发展与使用水泥的混凝土相当或更高的强度,并提供一种形成方法。 解决方案:渣硬化组合物包含作为主要组分的细骨料,粗骨料,细石灰石粉,作为粘合剂的细渣粉末,碱刺激剂的碳酸钠,混凝土的化学混合物和水 。 碱刺激剂优选以≥10kg/ m 3的量含有,作为以Na 2 O表示的碱当量 。 版权所有(C)2013,JPO&INPIT
    • 7. 发明专利
    • Concrete expansion prediction method
    • 混凝土膨胀预测方法
    • JP2010243397A
    • 2010-10-28
    • JP2009093967
    • 2009-04-08
    • Central Nippon Expressway Co LtdEast Nippon Expressway Co LtdTaisei CorpWest Nippon Expressway Co Ltd中日本高速道路株式会社大成建設株式会社東日本高速道路株式会社西日本高速道路株式会社
    • MIYAGAWA TOYOAKIYAMAMOTO TAKASHINOJIMA SHOJIOSADA KOJIONO KIYOHISAMIYAHARA SHIGESADAOWAKI EIJIMARUYA TAKESHI
    • G01N33/38
    • PROBLEM TO BE SOLVED: To provide a concrete expansion prediction method which enables prediction of an expansion rate of a concrete structure in the present state and the progress of expansion at any given future time.
      SOLUTION: The concrete expansion prediction method includes the steps of collecting a first concrete test body from a healthy section of the concrete structure and a second concrete test body from a deteriorated section of the concrete structure; conducting an accelerating expansion test on each concrete test body respectively, to obtain a temporal change of an accelerating expansion rate; approximating the temporal change of the accelerating expansion rate on the first concrete test body to an S-figure function; correcting the accelerating expansion rate obtained in the accelerating expansion test on the second concrete test body and an accelerating material age, to be fit to the S-figure function; assuming a correction value of the accelerating expansion rate to be an expansion rate in an accelerating environment of the second concrete test body at the point of investigation; and considering the correction value of the accelerating material age as being the material age in the accelerating environment of the second concrete test body at the point of investigation and predicting the future expansion rate.
      COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种能够预测目前状态下的混凝土结构的膨胀率和任何给定的未来时间的膨胀进展的具体的膨胀预测方法。 解决方案:混凝土膨胀预测方法包括从混凝土结构的健康部分收集第一混凝土测试体和从混凝土结构的劣化部分收集第二混凝土测试体的步骤; 对每个混凝土试验体进行加速膨胀试验,以获得加速膨胀率的时间变化; 将第一混凝土试验体的加速膨胀率的时间变化近似为S形函数; 校正在第二混凝土试验体上的加速膨胀试验中获得的加速膨胀率和加速材​​料寿命,以适应S形函数; 将加速膨胀率的修正值作为第二混凝土试验体在调查时的加速环境下的膨胀率的修正值; 并考虑加速物质年龄的修正值作为调查阶段的第二个具体试验体的加速环境中的物质年龄,并预测未来的扩张率。 版权所有(C)2011,JPO&INPIT