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    • 5. 发明申请
    • METHOD OF SUPPLYING ELECTRIC CURRENT TO PRESTRESSED CONCRETE
    • 将电流提供给预定混凝土的方法
    • WO00014361A1
    • 2000-03-16
    • PCT/JP1998/005166
    • 1998-11-17
    • C04B41/00C04B41/53C23F13/04E04G23/02C23F13/00
    • C04B41/00C04B41/5369C04B2111/265C23F13/04C23F2201/02C04B28/02C04B32/02C04B41/4566C04B41/4564
    • A method of supplying a D.C. current comprising using a steel product disposed inside a prestressed concrete as a cathode, disposing an anode at a surface portion of the concrete and/or at a part inside the concrete and applying a voltage higher than a hydrogen generation potential between the both electrodes, wherein an effective tensile force acting on the PC steel material disposed inside the concrete is not greater than 80 % of the tensile strength of the PC steel material; and a method of supplying a D.C. current comprising using a steel product disposed inside a prestressed concrete as a cathode, disposing an anode at a surface portion of the concrete and/or at a part inside the concrete and applying a voltage higher than a hydrogen generation potential between the both electrodes, characterized in that a period in which the voltage becomes less than the hydrogen generation potential is provided at least once during the current supply processing and thereafter the current supply processing is started at a voltage higher than the hydrogen generation potential.
    • 一种提供DC电流的方法,包括使用设置在预应力混凝土内部的钢产品作为阴极,在混凝土的表面部分处和/或在混凝土内的部分处设置阳极,并施加高于氢气产生电位的电压 在两个电极之间,其中作用在设置在混凝土内部的PC钢材上的有效张力不大于PC钢材料的拉伸强度的80%; 以及提供DC电流的方法,包括使用设置在预应力混凝土内部的钢产品作为阴极,在混凝土的表面部分和/或在混凝土内部的一部分处设置阳极,并施加比氢产生高的电压 两电极之间的电位,其特征在于,在电流供给处理期间至少提供一次电压变得小于氢产生电位的时段,之后以比氢产生电位高的电压开始电流供给处理。
    • 8. 发明申请
    • METHOD OF ELECTROCHEMICAL REMEDIAL TREATMENT OF REINFORCED CONCRETE
    • 加固混凝土电化学修复方法
    • WO1996035828A1
    • 1996-11-14
    • PCT/GB1996001117
    • 1996-05-09
    • TARMAC CONSTRUCTION LIMITEDWYATT, BrianSERGI, George
    • TARMAC CONSTRUCTION LIMITED
    • C23F13/08
    • C23F13/08C04B41/009C04B41/4564C04B41/5376C04B41/61C04B41/72C04B28/02C04B32/02
    • A method of treating reinforced concrete (10) comprises the steps of applying an elongate electrode (20-24) to a surface (12) of the concrete (10), providing electrolyte (17) at the electrode (20-24), connecting the electrode (20-24) in an electrical circuit such that the electrode (20-24) applied to the surface of the concrete is an anode and a part of the reinforcement (11) is a cathode, passing electric current through the concrete (10), determining the location of an elongate reinforcement part (20 a -24 a ) within the concrete (10), and positioning the elongate electrode (20-24) on the concrete surface (12) so as to be generally in alignment with the reinforcing part (20 a -24 a ) within the concrete (10) so as to maximise current density along a path between the electrodes both to enhance the generation of hydroxyl ions in the region of the reinforcement part (11), and to maximise the removal of harmful negatively charged ion species from around the reinforcement part (11).
    • 一种处理钢筋混凝土(10)的方法包括以下步骤:将细长电极(20-24)施加到混凝土(10)的表面(12),在电极(20-24)处提供电解质(17),连接 在电路中的电极(20-24),使得施加到混凝土表面的电极(20-24)是阳极,并且加强件(11)的一部分是阴极,使电流通过混凝土( 10),确定混凝土(10)内的细长增强部分(20a -24a)的位置,并将细长电极(20-24)定位在 混凝土表面(12),以便与混凝土(10)内的加强部分(20a -24a)大致对准,以便使电流密度最大化 沿着电极之间的路径,以增强在增强部分(11)的区域中的羟基离子的产生,并且最大限度地从加强件周围去除有害的带负电荷的离子物质 (11)。