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    • 11. 发明申请
    • CORROSION CONTROL METHOD AND APPARATUS FOR REINFORCING STEEL IN CONCRETE STRUCTURES
    • 腐蚀控制方法和钢筋混凝土结构加固装置
    • WO2009067304A2
    • 2009-05-28
    • PCT/US2008079564
    • 2008-10-10
    • FUNAHASHI MIKI
    • FUNAHASHI MIKI
    • C23F13/02C23F11/00
    • C23F13/20C23F13/16C23F2201/02E04C5/015
    • Mixed-metal-oxide (MMO) coated precious-metal tape is installed directly on concrete surfaces using an electrically conductive adhesive, thereby obviating the need for slots, holes, cementitious grout or additional concrete. The electrically conductive adhesive is preferably formed by disposing mixed-metal-oxide (MMO) coated precious-metal particles in an adhesive layer. The tape anodes may be installed on the concrete surfaces including a shallow concrete cover or congested reinforcing steel without developing an electrical short circuit between the anode and the reinforcing steel. Overall the invention provides for quick and low cost installation on many concrete structures. Interconnections between the tape anodes and bare metal distribution elements may be made with conductive adhesive or spot welding.
    • 使用导电粘合剂将混合金属氧化物(MMO)涂覆的贵金属胶带直接安装在混凝土表面上,从而避免需要槽,孔,水泥浆料或附加混凝土。 导电粘合剂优选通过在粘合剂层中设置混合金属氧化物(MMO)的贵金属颗粒来形成。 带状阳极可以安装在混凝土表面上,包括浅混凝土覆盖物或拥挤的钢筋,而不会在阳极和钢筋之间形成电气短路。 总体上,本发明提供了在许多混凝土结构上快速和低成本安装。 带状阳极和裸露金属分配元件之间的互连可以由导电粘合剂或点焊制成。
    • 12. 发明申请
    • CATHODIC PROTECTION OF REINFORCED CONCRETE WITH IMPREGNATED CORROSION INHIBITOR
    • 加固腐蚀抑制剂加固混凝土的阴极保护
    • WO0233147A8
    • 2004-03-04
    • PCT/US0132349
    • 2001-10-17
    • COR SCI LLC
    • EFIM YA LYUBLINSKI
    • C23F13/04E04C5/01C23F13/00
    • C23F13/04C23F2201/02E04C5/015
    • A steel-reinforced structure (1) supplied with an aqueous solution of an inhibitor (8) for the structure, is further protected against deterioration when an impressed cathodic current is applied; preferably the structure (1) is continuously bathed in the inhibitor solution (8); flow of the first impressed current is maintained until flow is relatively constant at a level at least one-half the level at which the first impressed current was initiated. The concentration of ions is sensed by measurement of the current flow while maintaining a chosen voltage. The inhibitor solultion (8) may be used in conjunction with an electroosmotic current to drive ions into the concrete and towards the steel; this may be done prior to applying the cathodic impressed current, or concurrently therewith by providing secondary electrodes (6, 7). Program controller means in the power station switches from one mode of delivery to another when current usage, measured by current density, is deemd to have become uneconomical.
    • 供给用于该结构的抑制剂(8)的水溶液的钢增强结构(1)进一步被保护以防止施加阴影电流时的劣化; 优选地,结构(1)连续地浸泡在抑制剂溶液(8)中; 第一外加电流的流动被维持,直到流动相对恒定为起始第一外加电流的水平的至少一半的水平。 通过测量电流来检测离子的浓度,同时保持所选择的电压。 抑制剂溶剂(8)可以与电渗电流结合使用以将离子驱入混凝土并朝向钢; 这可以在施加阴极外加电流之前进行,或者通过提供辅助电极(6,7)同时进行。 当电流密度测量的当前使用被认为变得不经济时,电站中的程序控制器装置从一种传送模式切换到另一种模式。
    • 13. 发明申请
    • A METHOD OF RESISTING CORROSION IN METAL REINFORCING ELEMENTS CONTAINED IN CONCRETE AND RELATED COMPOUNDS AND STRUCTURES
    • 在混凝土和相关化合物和结构中含有的金属增强元素中腐蚀的方法
    • WO2003042466A1
    • 2003-05-22
    • PCT/US2002/033299
    • 2002-10-18
    • BROWN, Paul, W.
    • BROWN, Paul, W.
    • E04B1/00
    • C23F11/00C04B22/0093C04B22/085C04B28/02C04B41/009C04B41/508C04B41/65C04B2103/0067C04B2103/0086C04B2103/606C04B2103/61C04B2111/26C23F11/181C23F11/187E04C5/015C04B32/02C04B14/303C04B41/5009
    • In some embodiments, alternate sources of aluminum or calcium are provided in various ways including the desired compounds. The further object of the present invention contemplate in situ creation of the compound in interest in fresh concrete and as a slurry which can be employed in remediation of existing concrete structures. A method of resisting corrosion in concrete containing metal elements is provided. It includes introducing into fresh concrete, containing metal elements, at least one compound capable of sequestering chloride ions. The method may also involve employing a compound which is capable of establishing a corrosion resistant oxide layer on the metal reinforcing elements. The invention also includes certain compounds which may be employed in the method as well as concrete structures containing the compounds. In another embodiment of the invention, concrete structures may be rehabilitated by providing an overlay containing a compound of the type which will contribute to corrosion resistance either through chloride ion sequestering or creating barriers around metal structural elements with the overlay being provided in situ or as a preformed member and with possible use of a slurry in combination with an overlay segment. In another embodiment, a source of alumina is combined in solution with Ca(NO 2 ) 2 and/or NaNO 2 with the resultant solution being introduced into the pores of a concrete structure, preferably under pressure to cause them to react with each other and with Ca(OH) 2 contained within the concrete to produce the desired corrosion inhibiting compound.
    • 在一些实施方案中,以各种方式提供替代的铝或钙源,包括所需化合物。 本发明的进一步目的在于考虑在新鲜混凝土中原位制备化合物,以及可用于修复现有混凝土结构的淤浆。 提供了一种抵抗含金属元素混凝土腐蚀的方法。 它包括引入含有金属元素的新混凝土,至少一种能够螯合氯离子的化合物。 该方法还可以包括使用能够在金属增强元件上形成耐腐蚀氧化物层的化合物。 本发明还包括可用于该方法的某些化合物以及含有该化合物的混凝土结构。 在本发明的另一个实施方案中,可以通过提供一种覆盖物来修复混凝土结构,所述覆盖物将通过氯离子螯合或在金属结构元件周围产生阻挡层,从而有助于耐腐蚀性的化合物,其中覆盖层原位提供或作为 并且可以使用与覆盖段组合的浆料。 在另一个实施方案中,将氧化铝源与Ca(NO 2)2和/或NaNO 2在溶液中合并,将所得溶液引入混凝土结构的孔中,优选在压力下引起它们彼此反应并与Ca (OH)2,以产生所需的腐蚀抑制化合物。
    • 14. 发明申请
    • PROCESS FOR MANUFACTURING CORROSION RESISTANT METAL PRODUCTS
    • 制造耐腐蚀金属产品的工艺
    • WO2002077386A1
    • 2002-10-03
    • PCT/GB2002/001402
    • 2002-03-22
    • HARDY, Harmon, SidneyCACACE, Antonino, Giorgio
    • CACACE, Antonino, Giorgio
    • E04C5/01
    • E04C5/015Y10T156/1043
    • Methods (and products produced by the methods) are disclosed for sealing the cut end (13) of a concrete reinforcing bar (10, 56) or other long product that comprises a core (12) of mild steel or other corrosion susceptible metal and a cladding (14) of stainless steel or other corrosion resistant metal bonded to an axially extending outer face of the core. The methods include the steps of providing a cap (20, 50, 80) of corrosion resistant material such as stainless steel or a plastics material, and shaped so that it can be mounted on the cut end of the long product with the exposed portion (18) of the core enclosed by the cap. The cap has a skirt (24) that overlies the cladding adjacent the cut end. A seal is formed in various ways between the skirt and the cladding. The seal may be formed by filling the space between the cut end and the cap with resinous sealant (26) inserted in the cap before it is mounted over the cut end. In the case of a metal cap voids (30) in the sealant are removed by deforming the cap (22") after it is mounted over the cut end to reduce the volume of the space enclosed by the cap. The sealant may alternatively be a solder (52) or the like. The skirt of a metallic cap may be crimped, swaged, forged or welded to the cladding.
    • 公开了用于密封混凝土钢筋(10,56)的切割端(13)或其它长产品的方法(以及通过该方法生产的产品),其包括软钢或其他易腐蚀金属的芯(12)和 包层(14)不锈钢或其他耐腐蚀金属结合到芯的轴向延伸的外表面。 这些方法包括提供诸如不锈钢或塑料材料的耐腐蚀材料的帽(20,50,80)的步骤,并且成形为使得其可以被暴露部分安装在长产品的切割端上 18)由盖子包围的核心。 盖子具有覆盖在切割端附近的包层的裙部(24)。 在裙部和包层之间以各种方式形成密封。 密封件可以通过在其被安装在切割端上之前用插入盖中的树脂密封剂(26)填充切割端和盖之间的空间来形成。 在金属盖的情况下,密封剂中的空隙(30)通过在安装在切割端上之后使盖(22“)变形而被去除,以减小由盖封闭的空间的体积,密封剂可以替代地为 焊料(52)等。金属盖的裙部可以被压接,模锻,锻造或焊接到包层。
    • 20. 发明申请
    • METHOD AND DEVICE FOR HYDRO-INSULATION OF REINFORCING STEEL PENETRATION
    • 用于钢筋渗透的水力绝缘的方法和装置
    • WO2012102682A1
    • 2012-08-02
    • PCT/SI2012/000003
    • 2012-01-28
    • INTECH-LES, RAZVOJNI CENTER, D.O.O.KUNIČ, Roman
    • KUNIČ, Roman
    • C04B20/10C08L95/00C09D195/00E04B1/62E04C5/00E04C5/01
    • E04B1/66C09D195/00E04C5/015
    • Method and device for hydro-insulation of reinforcing steel penetration solves technical problem of reinforcement penetration. In such a way the total shield against moisture and water is achieved as the weakest spots are saved known to all hydro- insulating systems and transfer of moisture is hindered through details which have been problematic in state of the art. The same systems solves other penetrations through hydro-insulation layers such as: different anchors, attaching elements, installation ducts, different penetrations, contacts with sheet or metal etc. According to in this patent application described method the hydro-insulation coat is applied by melting the material for hydro-insulation coat adjacent to penetration of reinforcement in such a way that the material flows around or over separate reinforcement elements such as bars. The method is analogous to soldering as known in mechanical or electrical engineering. The material for hydro-insulation coat is preferably bitumen and is used for purposes of this application in form of slabs or strips.
    • 钢筋渗水解决技术问题的加固渗水方法与装置。 以这种方式,实现了对水分和水的总体屏蔽,因为所有加氢绝缘系统已知的最弱点被保存,并且通过在现有技术中存在问题的细节妨碍了水分的转移。 相同的系统通过诸如:不同的锚固件,附接元件,安装管道,不同的穿透,与片材或金属等的接触等通过水力绝缘层解决其他穿透。根据本专利申请所述的方法,通过熔化施加水绝缘涂层 用于加氢绝缘涂层的材料邻近加强件的穿透,使得材料在单独的加强元件(例如棒)周围或周围流动。 该方法类似于机械或电气工程中已知的焊接。 用于水绝缘涂层的材料优选是沥青,并且以板或条的形式用于本申请的目的。