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A hydraulic concrete internal anchor method for hanging cables with two-way perforated steel plates

A hydraulic concrete and concrete technology, which is applied in textile cables, construction, textiles and papermaking, etc., to achieve the effect of simple and easy technology, safe and durable operation, and improved service life

Active Publication Date: 2016-08-17
吉林省银河水利水电新技术设计有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention provides a hydraulic concrete internal anchor method in which two-way perforated steel plates are hung with cables, so as to solve the problem of local concentrated stress generated by concentrated transmission of large tensile forces to concrete

Method used

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  • A hydraulic concrete internal anchor method for hanging cables with two-way perforated steel plates
  • A hydraulic concrete internal anchor method for hanging cables with two-way perforated steel plates
  • A hydraulic concrete internal anchor method for hanging cables with two-way perforated steel plates

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0051] In the tower frame 4, the internal anchoring force structure of the fixed connection is a two-way perforated steel plate hook structure 5, and each prepared drag cable 6 is passed through the fixed steel plate, and the extrusion head 602 is hung on the fixed steel plate 501, by The extrusion head transmits the cable force to the tower concrete 1 through the two-way perforated steel plate;

[0052] (1) The manufacturing method of the cable:

[0053] The cable is composed of multiple low-relaxation steel strands 601 anchoring end cables, and the production method of one of the low-relaxation steel strand anchoring end cables is as follows:

[0054] If it is a new low-slack steel strand, there is an oil layer, use acetone to clean the extruded area; if there is floating rust on the steel strand, it should be derusted and phosphated first, and brushed with liquid steel surface derusting and phosphating agent Or wash the steel strand, which can directly remove rust and phos...

Embodiment 2

[0084] In the tower frame 4, the internal anchoring force structure of the fixed connection is a two-way perforated steel plate hook structure 5, and each prepared drag cable 6 is passed through the fixed steel plate, and the extrusion head 602 is hung on the fixed steel plate 501, by The extrusion head transmits the cable force to the tower concrete 1 through the two-way perforated steel plate;

[0085] (1) The manufacturing method of the cable:

[0086] The cable is composed of multiple low-relaxation steel strands 601 anchoring end cables, and the production method of one of the low-relaxation steel strand anchoring end cables is as follows:

[0087] If it is a new low-slack steel strand, there is an oil layer, use acetone to clean the extruded area; if there is floating rust on the steel strand, it should be derusted and phosphated first, and brushed with liquid steel surface derusting and phosphating agent Or wash the steel strand, which can directly remove rust and phos...

Embodiment 3

[0122] In the tower frame 4, the internal anchoring force structure of the fixed connection is a two-way perforated steel plate hook structure 5, and each prepared drag cable 6 is passed through the fixed steel plate, and the extrusion head 602 is hung on the fixed steel plate 501, by The extrusion head transmits the cable force to the tower concrete 1 through the two-way perforated steel plate;

[0123] (1) The manufacturing method of the cable:

[0124] The cable is composed of multiple low-relaxation steel strands 601 anchoring end cables, and the production method of one of the low-relaxation steel strand anchoring end cables is as follows:

[0125] If it is a new low-slack steel strand, there is an oil layer, use acetone to clean the extrusion area; if there is floating rust on the steel strand, it should be derusted and phosphated first, and brush with liquid steel surface derusting and phosphating agent Or wash the steel strand, which can directly remove rust and phosp...

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Abstract

The invention belongs to method for connection of concrete structures and stay ropes and relates to a hydraulic concrete internal anchoring method for stay ropes with bidirectional punched steel plate hanging structures. Internal anchoring structures fixedly connected into a tower are the bidirectional punched steel plate hanging structures, each manufactured stay rope penetrates through fixing steel plates, extrusion heads are hung on the fixing steel plates, and force of the stay ropes can be transferred to concrete of the tower by the extrusion heads through the bidirectional punched steel plate hanging structures, the stay ropes in the tower are anchored inside, epoxy resin concrete is poured, and concrete of the tower is poured. The method has the advantages that investment of simple stay rope structures is saved by 50% as compared with that of common standard special stay ropes, force borne by the concrete tower is converted into compressive stress, and consequently durability and safety in operation of concrete structures are benefited; the extrusion heads of the stay ropes are internally subjected to epoxy resin treatment, the bidirectional punched steel plate hanging structures are positioned in the concrete tower, and accordingly long-acting effects of anticorrosive protection are achieved.

Description

technical field [0001] The invention belongs to a method for connecting a concrete structure with a cable, and is used for solving the problem of local concentrated stress generated by concentrated transmission of large pulling force to concrete. Background technique [0002] Concrete is a brittle material, it is difficult to bear concentrated local tensile stress, but it can bear large compressive stress. Concrete structures are the most conventional building structures. The use of cables is a modern technology for realizing large-span structures. If there is no auxiliary structure, it can only be imagined to directly connect large-tension cables with concrete structures. [0003] The aqueduct or bridge is a spanning structure. The cable-stayed type can greatly increase its span, which has less impact on the river's flow capacity and reduces the probability of collision and silting of river floating objects during flood seasons. The large span reduces the expansion joints...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E01D19/16E01D19/14D07B1/06C09J4/06C04B28/06C04B28/04
Inventor 杨金良郑铎周继元郑旻文
Owner 吉林省银河水利水电新技术设计有限公司
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