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Post-tension cable protection system, method for installing the system and method for remediation of a defective post-tension reinforcement system
Post-tension cable protection system, method for installing the system and method for remediation of a defective post-tension reinforcement system
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机译:后张力电缆保护系统,安装该系统的方法以及补救有缺陷的后张力增强系统的方法
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摘要
An improved method of creating a waterproof seal for post tension cable systems roughens and decontaminates the cable's stressing end pocket with a diamond bladed reaming tool and closes the newly formed cavity with epoxy resin and a precasted plug made of non-shrink grout. The method includes pouring a concrete slab around an anchor and a pocket former through which a cable passes and is held by wedges. After the pocket former is removed and the cable is stressed, the cable is cut and a grease cap is applied. The system ensures that the cable is properly cut, the grease cap is properly seated, the inside of the pocket is roughened, and the seal at the cable's stressing end is waterproof. Furthermore, the invention aids in removing previously grouted pockets when cable remediation is needed and closing the pocket with a precasted plug when cable remediation is completed.
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