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FRP reinforcement material end nut and manufacturing method and application thereof

A manufacturing method and nut technology, which is applied in the direction of building structure, structural elements, building components, etc., can solve the problems of no nut installation, no patent technology of FRP bar end elbow, etc., to achieve easy operation and reduce loss , Reduce the effect of the work site

Inactive Publication Date: 2013-06-05
湖北金力工程复合材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] After searching, there is no report on installing nuts on the ends of FRP bars, and there is no patented technology for making elbows at the ends of FRP bars.

Method used

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  • FRP reinforcement material end nut and manufacturing method and application thereof
  • FRP reinforcement material end nut and manufacturing method and application thereof
  • FRP reinforcement material end nut and manufacturing method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0037] Below in conjunction with accompanying drawing and embodiment describe in detail:

[0038] 1. The structure of FRP bar end nut 1

[0039] like figure 1 , the inner wall of the FRP bar end nut 1 is a structure adapted to the outer diameter of the FRP threaded bar 2;

[0040] The outer edge of the cross-section of the FRP bar end nut 1 is circular or polygonal, and the shape is a cylinder, a truncated cone, a prism or a truncated prism.

[0041] The outer edge of the cross section of the FRP bar end nut 1 is preferably a regular hexagon.

[0042] 2. Manufacturing method of FRP bar end nut

[0043] 1. In step ①

[0044] By weight percentage, the best is: chopped fiber 50%, resin glue 50%.

[0045] The chopped fibers are glass fibers, basalt fibers or carbon fibers, the length of which is 0.5-10mm, and the optimum value is 7mm;

[0046] The resin glue is a commonly used chemical product.

[0047] Specifically, the resin glue is a mixture of resin, curing agent, a...

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PUM

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Abstract

The invention discloses an FRP reinforcement material end nut, a manufacturing method and an application thereof, and relates to a fitting of an FRP reinforcement material. The FRP reinforcement material end nut (1) has a structure that: the inner wall of the FRP reinforcement material end nut (1) is a structure fitting with the external diameter of an FRP thread reinforcing bar (2); the cross section of the FRP reinforcement material end nut (1) is round or polygonal at the outer edge, and the profile is a cylinder, a circular truncated cone, a prism, or a frustum of a prism. The FRP reinforcement material end nut can be used at an end part of a FRP thread reinforcing bar, playing a role of a reinforcing steel bar bend; is applicable to pre-stress FRP thread reinforcing bars for improving bond stress of concrete to the RP thread reinforcing bars; and is simple in operation when in use. The FRP reinforcement material end nut (1) is manufactured by a mechanical, semi-automatic compression molding method which increases production efficiency, reduces labor intensity, reduces raw material loss and working land occupation, and has the effects of energy saving and emission reduction.

Description

technical field [0001] The invention relates to an accessory of an FRP bar, in particular to an FRP bar end nut and a manufacturing method and application thereof. Specifically, the end nut of the FRP bar is installed on the end of the FRP threaded bar to play the function of an elbow at the end of a common steel bar. Background technique [0002] At present, reinforced concrete technology has been widely used in civil engineering, military construction, and some special projects, and its technology is very mature. However, traditional reinforced concrete reinforcement, or prestressed steel strands, rely on steel. Since the invention of the steam engine, iron and steel resources have been mined for more than 300 years. The resources are limited, and the cost of mining has increased significantly with the continuous depletion of resources. Therefore, it is necessary to find effective alternative resources. Fiber Reinforced Polymer (FRP for short) and Fiber Reinforced Polyme...

Claims

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Application Information

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IPC IPC(8): E04C5/03E04C5/16
Inventor 金文成郑文衡
Owner 湖北金力工程复合材料有限公司
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