CN201236420Y

CN201236420Y - Fibre composite reinforcement material

Info

Publication number: CN201236420Y
Application number: CNU2008200645374U
Authority: CN
Inventors: 喻克洪; 曹柏青; 李忠郢; 鲜平; 刘长雷
Original assignee: SICHUAN AEROSPACE TUOXIN BASALT INDUSTRIAL Co Ltd
Current assignee: SICHUAN AEROSPACE TUOXIN BASALT INDUSTRIAL Co Ltd
Priority date: 2008-07-31
Filing date: 2008-07-31
Publication date: 2009-05-13
Anticipated expiration: 2018-07-31

Abstract

The utility model discloses a fiber composite rib material which has favorable corrosion-resisting property and can be used in construction instead of reinforcing steel bars. The fiber composite rib material is a bendable cylindrical sectional bar formed by gluing and compounding a plurality of basalt fiber core bundles (20) and a resin substrate (10) coating the basalt fiber core bundles (20). The utility model has the advantages of very high property of resisting corrosion, such as acid, alkali, salt, and the like, has higher permissibility of the density of moisture in cement mortar and the permeation and the proliferation of carbon dioxide and can avoid corroding a concrete building in rigorous environment so as to improve the durability of the building. The utility model has tensile strength nearly two times higher than the reinforcing steel bars, the same fatigue resistance as the reinforcing steel bars, and small plastic deformation, can satisfy the requirements of a structural component for the fatigue resistance, has the same thermal expansion coefficient as concrete and has the same bonding strength with the concrete as that with the reinforcing steel bars.

Description

Fiber composite muscle material

Technical field

The utility model relates to construction timber, particularly a kind of fiber composite muscle material with good Corrosion Protection.

Background technology

Concrete structure is one of most widely used building materials in the world, and its structure all is to strengthen concrete strength with reinforcing bar, and reinforcing bar is protected in pH value is alkaline concrete between the 11-13, makes reinforced concrete structure have certain durability.But, be exposed to the steel concrete (for example road and bridge of handling, seashore building, chemical plant, Wastewater Treatment Plant etc.) under the erosion environment condition with deicer salts.In suitable condition, concrete is subjected to carbide and muriatic immersion, makes concrete neutralisation gradually, and rebar passivation film destroys and begins to corrode.Ferrous metal volume in the original tissue of the reinforcing bar volume ratio of being corroded increases, thereby has formed very big interior expansion force, causes concrete cracking and peels off, and causes that finally building damages, a lot of building appearance more or less similar problem and hidden danger.Thereby the anticorrosion problem that solves building under etching problem, the especially special occasions of such building big problem that becomes international.In order to solve this difficult problem; people have attempted the approach of multiple inhibition corrosion; as: strengthen concrete cladding thickness; use additive and admixture to improve concrete gas permeability, adopt cathodic protection Protection Code and electric anticorrosion, use silicon oxide film topping and no bonding tendon; use epoxy resin to apply reinforcing bar; use methods such as short glass fiber refinforced cement, but its effect is limited, can not thoroughly solve perishable this technical barrier of reinforcing bar.

China generally is in the research and production of reinforcing bar coatings art at present, and the epoxy coating reinforcing bar is the erosion-resisting way of a kind of solution reinforcing bar.But, because epoxy coating thickness is generally between 0.15-0.3mm, the muscle material in carrying, loading and unloading, bending, tie up, water, the unavoidable local surfaces in the process such as vibration is damaged, this coating process complexity simultaneously, cost height.

The utility model content

Technical problem to be solved in the utility model provides a kind of fiber composite muscle material, and this muscle material has good Corrosion Protection, and alternative reinforcing bar is used in the construction work.

The technical scheme that its technical problem that solves the utility model adopts is: fiber composite muscle material of the present utility model, it is characterized in that: this fiber composite muscle material is compound with the resin matrix gluing that coats basalt fibre core bundle by many basalt fibre core bundles, constitutes flexible column section bar.

Described each basalt fibre core bundle is intervally arranged on the cross section of fiber composite muscle material, and vertically being parallel to each other along fiber composite muscle material.

The external surface of described resin matrix has the groove of indent.

Bonding sand grains gathers on the external surface of described resin matrix.

The beneficial effects of the utility model are, have corrosive natures such as very high antiacid, alkali, salt, soaking into and spreading and have higher permission moisture concentration in the cement mortar and carbon dioxide, can prevent under rigorous environment corrosion, thereby improve the durability of building concrete structures; Have the tensile strength than the high nearly twice of reinforcing bar, anti-fatigue performance is identical with reinforcing bar, and plastic strain is little, can satisfy the requirement of structural member to antifatigue; Have identical coefficient of thermal expansion with concrete, identical with concrete bonding action and reinforcing bar.

Description of drawings

This manual comprises following three width of cloth accompanying drawings:

Fig. 1 is the longitudinal section schematic diagram of the utility model fiber composite muscle material;

Fig. 2 is the front view of the utility model fiber composite muscle material;

Fig. 3 is the sectional view along A-A line among Fig. 1.

Component, toponym and pairing mark among the figure: resin matrix 10, groove 11, fiber bundle 12, sand grains 13, basalt fibre core bundle 20.

The specific embodiment

Below in conjunction with drawings and Examples the utility model is further specified.

With reference to Fig. 1 and Fig. 3, fiber composite muscle material of the present utility model is compound with resin matrix 10 gluings that coat basalt fibre core bundle 20 by many basalt fibre core bundles 20, constitutes flexible column section bar.Promptly with military rock fibre core bundle 20 be that reinforcing material combines through the pultrude process moulding with resin matrix 10, resin matrix 10 comprises vinyl ester resin or epoxy resin and filler curing compound etc. usually.The employing of military rock fiber and with the composite construction of resin matrix, make compound muscle material have corrosive natures such as very high antiacid, alkali, salt, soaking into and spreading and have higher permission moisture concentration in the cement mortar and carbon dioxide, therefore can prevent under rigorous environment, to use the corrosion of concrete structures effectively, thereby improve the durability of building; Have the tensile strength than the high nearly twice of reinforcing bar, anti-fatigue performance is identical with reinforcing bar, and plastic strain is little, can satisfy the requirement of structural member to antifatigue; Have identical coefficient of thermal expansion with concrete, identical with concrete bonding action and reinforcing bar.

The quantity of described basalt fibre core bundle 20 is by the requirement decision to muscle material tensile strength.As preferred embodiment a kind of, with reference to Fig. 3, described each basalt fibre core bundle 20 is intervally arranged on the cross section of fiber composite muscle material, with reference to Fig. 1, and each basalt fibre core bundle 20 vertically being parallel to each other along fiber composite muscle material.

For improving the fastness of muscle material and concrete gluing, with reference to Fig. 1, the external surface of described resin matrix 10 has the groove 11 of indent.With reference to Fig. 2, common described groove 11 is the spiral grooves that extend to form at resin matrix 10 external surface upper edge longitudinal spirals, for ease of processing and forming and improve the strength character of section bar, also can in spiral grooves, twine fiber bundle 12, fiber bundle 12 can adopt glass fiber bundle or basalt fibre core bundle.In addition, the gluing sand grains 13 that also can on the external surface of described resin matrix 10, gather.

Some principles of the above the utility model fiber composite muscle material that just explains through diagrams, be not be the utility model to be confined to shown in and in described concrete structure and the scope of application, so every the corresponding modify and equivalent that might be utilized all belongs to the claim that the utility model is applied for.

Claims

1. fiber composite muscle material is characterized in that: this fiber composite muscle material is compound with resin matrix (10) gluing that coats basalt fibre core bundle (20) by many basalt fibre core bundles (20), constitutes flexible column section bar.

2. fiber composite muscle material as claimed in claim 1 is characterized in that: described each basalt fibre core bundle (20) is intervally arranged on the cross section of fiber composite muscle material, and vertically being parallel to each other along fiber composite muscle material.

3. fiber composite muscle material as claimed in claim 2 is characterized in that: the external surface of described resin matrix (10) has the groove (11) of indent.

4. fiber composite muscle material as claimed in claim 3 is characterized in that: described groove (11) is the spiral grooves that extends to form at resin matrix (10) external surface upper edge longitudinal spiral.

5. fiber composite muscle material as claimed in claim 4 is characterized in that: be tied with fiber bundle (12) in the described spiral grooves.

6. fiber composite muscle material as claimed in claim 5 is characterized in that: described fiber bundle (12) is glass fiber bundle or basalt fibre core bundle.

7. as any described fiber composite muscle material of claim 1 to 6, it is characterized in that: the gluing that gathers on the external surface of described resin matrix (10) has sand grains (13).