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    • 2. 发明专利
    • Testing method for evaluating permeation resistance of surface impregnation material for concrete
    • 用于评估混凝土表面侵蚀材料渗透阻力的试验方法
    • JP2011080825A
    • 2011-04-21
    • JP2009232286
    • 2009-10-06
    • Kanazawa Inst Of TechnologyWest Nippon Expressway Co Ltd学校法人金沢工業大学西日本高速道路株式会社
    • MATSUDA TETSUOMIYASATO SHINICHI
    • G01N17/00
    • PROBLEM TO BE SOLVED: To provide a method for easily measuring the substance permeation resistance of a surface impregnation material for concrete. SOLUTION: A testing method is employed for evaluating a permeation resistance to a permeable substance of every kind such as chloride ions or water with respect to the surface impregnation material applied to the surface of an inspection target such as reinforced concrete or the like. A reinforcing rod is set as one terminal while the other terminal is joined to the surface of the inspection target coated with the surface impregnation material and a current is passed across both terminals to measure an electric resistance value. When the electric resistance value is large, the permeation resistance is evaluated to be large and, when the electric resistance value is small, the permeation resistance is evaluated to be small. In the case where the inspection target is an existing reinforced concrete structure, a lead wire is preliminarily arranged from the reinforcing rod of the structure and another terminal is joined to the surface coated with the surface impregnation material to measure an electric resistance value. A selected figure is a graph showing the relation between the electric resistance value and salt penetration depth. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种容易测量混凝土表面浸渍材料的物质渗透阻力的方法。 解决方案:采用一种测试方法来评价对诸如氯化物离子或水的各种可渗透物质的渗透性,相对于施加到诸如钢筋混凝土等的检查对象的表面的表面浸渍材料 。 加强杆设置为一个端子,而另一个端子连接到涂覆有表面浸渍材料的检查对象的表面,并且电流通过两个端子以测量电阻值。 当电阻值大时,耐渗透性被评估为大,并且当电阻值小时,耐渗透性被评估为小。 在检查对象是现有的钢筋混凝土结构体的情况下,从该结构体的加强筋预先设置引线,另一个端子与涂有表面浸渍材料的表面接合,测定电阻值。 所选择的图是示出电阻值和盐渗透深度之间的关系的图。 版权所有(C)2011,JPO&INPIT
    • 3. 发明专利
    • Prediction method for reinforcement corrosion, and monitoring system for reinforcement corrosion
    • 加固腐蚀预测方法及加固腐蚀监测系统
    • JP2007240481A
    • 2007-09-20
    • JP2006067081
    • 2006-03-13
    • Kajima CorpKanazawa Inst Of Technology学校法人金沢工業大学鹿島建設株式会社
    • CHIKAMOTO TOSHINORISUDA KUMIKOYOKOZEKI KOSUKEHIRAISHI YOSHIKIDAIHO NAOTOMIYASATO SHINICHI
    • G01N17/02G01N27/26
    • PROBLEM TO BE SOLVED: To provide a prediction method for corrosion in a reinforcement and a monitoring system for the corrosion in the reinforcement, capable of providing highly precise prediction, by installing all the time a sensor in an original position, and by using information monitored and collected in an optional period or interval.
      SOLUTION: The reinforcement 4 embedded in a member 2 is classified into a plurality of reinforcement elements 27, and a sensor box 5 is buried in concrete 6 to store a collation electrode and a counter electrode 7, a concrete ohmmeter 9, and a concrete thermometer 11. A computer 19 controls a corrosion monitor 17, and a switching device 15, and an electrochemical property or the like is measured using sensors or the like in a sensor box 5. The prediction method measures the presence of the corrosion in the reinforcement 4, a time until a chloride ion content in the member 2 reaches a prescribed amount in a position of the reinforcement 4, a time until the member is neutralized in the reinforcement position, and a time until a corrosion amount of the reinforcement 4 reaches a prescribed amount, using the electrochemical property and a data as to peripheral environment of the member 2.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:为了提供加强件中的腐蚀预测方法和用于加强件腐蚀的监控系统,能够提供高度精确的预测,通过将传感器始终安装在原始位置,并且通过 使用在可选时段或间隔内监控和收集的信息。 解决方案:嵌入在构件2中的加强件4分为多个加强元件27,并且将传感器盒5埋在混凝土6中以存储对照电极和对电极7,混凝土欧姆表9和 混凝土温度计11.计算机19控制腐蚀监测器17,并且在传感器箱5中使用传感器等来测量开关装置15和电化学特性等。预测方法测量腐蚀的存在 加强件4,直到构件2中的氯离子含量在加强件4的位置达到规定量的时间,直到构件在加强位置中的时间以及直到加强件4的腐蚀量的时间 达到规定的量,使用电化学性质和关于成员2的周边环境的数据。版权所有(C)2007,JPO&INPIT