Method for protecting guy anchor

A technology for anchorage and protective materials, applied to bridge parts, sheet pile walls, bridges, etc., can solve problems such as anchorage corrosion, corrosion fracture, major accidents, etc.

Inactive Publication Date: 2006-12-06
SHANGHAI MUNICIPAL ENG DESIGN INST GRP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

It is reported that quite a few cable-stayed bridges, arch bridges, and suspension bridges have different levels of water ingress in the lower ends (beam ends) of the cables and suspenders, causing serious corrosion to the anchorage and even the steel wires of the cables. It had to be replaced in advance, and some bridges caused major accidents due to the corrosion and fracture of the cables

Method used

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  • Method for protecting guy anchor

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Embodiment Construction

[0010] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0011] The protection method for the cable anchor of the present invention comprises the following steps: A, filling the protective material 12 between the cable pipeline 17 and the pipeline inner anchor 10, covering all the pipeline inner anchor 10; B, filling the cable pipeline The opening of 17 is equipped with a waterproof device; C, the external anchorage 16 of the part other than the anchor backing plate 11 is routinely protected.

[0012] Wherein step A comprises the following steps again: a, stay cable is installed in place, and stretches to design cable force; b, stretches a slender tube into stay cable pipeline 17 to the bottom; c, utilizes slender tube to put protective material 12 Inject until the anchorage 10 in the pipeline is completely covered; d. Fill other areas of the cable pipeline 17 with waterproof material 2 . Wherein the protect...

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Abstract

A method for protecting ground tackle of dragline includes packing protection material between pipe and ground tackle in pipe to completely cover ground tackle in pipe, setting waterproof unit being a conical protective cage on pipe mouth of dragline, making conventional protection on external ground tackle at out of anchor slab.

Description

Technical field: [0001] The invention relates to the construction field, in particular to a protection method for a cable anchor. Background technique: [0002] With the rapid development of modern construction engineering science and technology, cable structure engineering buildings using (steel wire, steel wire rope, steel strand) cables as load-bearing components abound, such as cable-stayed bridges, suspension bridges, tie (suspension) rod arch bridges, using Large stadiums with cable structure roofs, airport lounges, and even TV towers, etc. The anchors at both ends of the cable are firmly and reliably connected with the steel wire in the cable, and transmit the structure's own weight and other loads to the cable. The importance of the cable anchor is obvious. In order to make the anchor work normally for a long time in various environments, it must be effectively protected. [0003] The cable-stayed cables in the cable-stayed bridge directly bear the weight of the br...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E01D19/16E02D5/74
Inventor 翁思熔王兴方黄林根
Owner SHANGHAI MUNICIPAL ENG DESIGN INST GRP
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