CN205593860U - Experimental experiment loading device of carbon cloth double shear - Google Patents

Experimental experiment loading device of carbon cloth double shear Download PDF

Info

Publication number
CN205593860U
CN205593860U CN201620440190.3U CN201620440190U CN205593860U CN 205593860 U CN205593860 U CN 205593860U CN 201620440190 U CN201620440190 U CN 201620440190U CN 205593860 U CN205593860 U CN 205593860U
Authority
CN
China
Prior art keywords
carbon cloth
experiment
steel column
accumbency
double shear
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201620440190.3U
Other languages
Chinese (zh)
Inventor
粱广威
吴雨源
龚永智
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Central South University
National Engineering Laboratory for High Speed Railway Construction Technology
Original Assignee
Central South University
National Engineering Laboratory for High Speed Railway Construction Technology
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Central South University, National Engineering Laboratory for High Speed Railway Construction Technology filed Critical Central South University
Priority to CN201620440190.3U priority Critical patent/CN205593860U/en
Application granted granted Critical
Publication of CN205593860U publication Critical patent/CN205593860U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model relates to an experimental experiment loading device of carbon cloth double shear, including concrete test block that is used for the double shear experiment and the jack that is used for load, the first end of jack even has force transducer, and the jack passes through force transducer and connects the concrete test block, the second end of jack is through being used for being connected to the accumbency steel column that is used for supplementary double shear experiment according to load automatically regulated's fixed hinged support, it has the carbon cloth to bond on the at least a set of opposite side wall of concrete test block, and the carbon cloth is on accumbency steel column direction is extended and is positioned the accumbency steel column. The utility model discloses experimental experiment loading device of carbon cloth double shear can improve experimental efficiency greatly, and saves the experiment funds. Whole loading device can remove to guarantee that the shearing force in the face of pasting of carbon cloth, makes the carbon cloth take place pure shear failure. Also can be used to among the interfacial adhesion performance test of other fibre cloth materials. The experiment can be gone on in any place.

Description

The experiment charger of carbon cloth double shear experiment
Technical field
This utility model relates to the experimental technique field of FRP and concrete interface adhesive property, particularly relates to The experiment charger of carbon cloth double shear experiment.
Background technology
Existing FRP (Fiber Reinforced Polymer/Plastic, fibre reinforced composites) Be four kinds of forms with the test method of concrete interface adhesive property: simple shear experiment, double-shear experiment, Beam type experiment and correction beam experiment.
Although simple shear experiment is simple, but need to carry out in simple shear experimental machine, and limited by place System.Traditional double-shear experiment is also simple, but needs to pour the concrete test block of a collection of auxiliary, no It is beneficial to the saving of material.The processing technology of beam type experiment and correction beam experiment is more complicated, and the destruction at interface Form is not simple failure by shear.
A kind of can depart from large-scale shear testing maschine therefore, it is necessary to develop, install simply, not by field Ground limits, and saves the FRP of experimental expenses and flexibility and reliability and the charger of concrete interface shearing experiment.
Utility model content
This utility model aims to the deficiency of above-mentioned existing charger, a kind of carbon cloth double shear of invention The experiment charger of test.
In order to realize above-mentioned technical purpose, the technical scheme of this utility model patent is: a kind of carbon cloth The experiment charger of double shear experiment, including the concrete test block for double shear experiment and for adding load The jack carried, the first end of jack is connected with force transducer, and jack connects coagulation by force transducer Soil test block;Second end of jack is by for according to loading the fixed-hinged support connection that load is automatically adjusted To the accumbency steel column for assisting double shear experiment;Glue on the least one set opposite side wall of concrete test block It is connected to carbon cloth, and carbon cloth extends towards accumbency steel column direction and is positioned on accumbency steel column.
Further, carbon cloth is respectively positioned on accumbency steel column on the side wall surface of correspondence.
Further, carbon cloth mutually overlaps on accumbency steel column outer surface and is wrapped in outside accumbency steel column.
Further, two carbon cloths belong to same and wrap up accumbency steel from the outer surface of accumbency steel column Post.
Further, accumbency steel column uses semicircular pillar, square column, triangular column or trapezoidal column.
Further, fixed-hinged support is coaxially arranged with jack, and the center of gravity of axis and accumbency steel column and The center of gravity of concrete test block is on same straight line.
Further, be additionally provided with between force transducer and concrete test block for dispersed loading load with Prevent the baffle plate that stress is concentrated.
Further, adopt between carbon cloth and accumbency steel column and/or between carbon cloth and concrete test block Bonding with bonded adhesives.
Further, carbon cloth encloses hemi-closure space, and the opening of hemi-closure space is towards concrete Test block, baffle plate, force transducer, jack, fixed-hinged support and steel column are in hemi-closure space.
Further, the outbound course of jack is towards steel column.
Advantageous Effects of the present utility model is:
The experiment charger of this utility model carbon cloth double shear experiment, can be greatly improved conventional efficient, And saving experiment fees.A whole set of charger can be all small articles, is readily available.Fixed-hinged support can Lateral stressed uneven problem during to eliminate carbon cloth stretching.Without being aided with large-scale shear testing maschine With auxiliary concrete test block.Loading equipemtn is reusable.The installation and removal of loading equipemtn are all very convenient, And it is simple to operate.Fixed-hinged support makes carbon cloth uniform force.Whole charger can move, Thus ensureing that shearing force is in the sticking veneer of carbon cloth so that carbon cloth generation pure shear destroys.Also Can be used in the interfacial bond property test of other fiber cloth material.Experiment can be carried out in any place.
The utility model is described in further detail below in conjunction with the accompanying drawings.
Accompanying drawing explanation
Fig. 1 is that the structure of the experiment charger of the carbon cloth double shear experiment of this utility model embodiment is shown It is intended to.
Marginal data:
1, accumbency steel column;2, fixed-hinged support;3, jack;4, force transducer;5, baffle plate;6、 Carbon cloth;7, concrete test block.
Detailed description of the invention
Below this utility model technology contents is further illustrated, but not in this utility model essence The restriction held.
Fig. 1 is that the structure of the experiment charger of the carbon cloth double shear experiment of this utility model embodiment is shown It is intended to.As it is shown in figure 1, the experiment charger of the carbon cloth double shear experiment of the present embodiment, including using In the concrete test block 7 of double shear experiment and for loading the jack 3 of load, the first end of jack 3 Being connected with force transducer 4, jack 3 connects concrete test block 7 by force transducer 4;The of jack 3 Two ends are connected to for assisting double shear to try by the fixed-hinged support 2 for being automatically adjusted according to loading load On the accumbency steel column 1 tested;It is bonded with carbon cloth 6 on the least one set opposite side wall of concrete test block 7, And carbon cloth 6 extends towards accumbency steel column 1 direction and is positioned on accumbency steel column 1.This utility model The experiment charger of carbon cloth double shear experiment, can be greatly improved conventional efficient, and save experiment warp Take.A whole set of charger can be all small articles, is readily available.Fixed-hinged support can eliminate carbon fiber Lateral stressed uneven problem during cloth stretching.Without being aided with large-scale shear testing maschine and auxiliary concrete Test block.Loading equipemtn is reusable.The installation and removal of loading equipemtn are all very convenient and simple to operate. Fixed-hinged support makes carbon cloth uniform force.Whole charger can move, thus ensures to shear Power is in the sticking veneer of carbon cloth so that carbon cloth generation pure shear destroys.Can also be used for other fine In the interfacial bond property test of dimension cloth material.Experiment can be carried out in any place.
As it is shown in figure 1, in the present embodiment, carbon cloth 6 is respectively positioned on accumbency steel column 1 correspondence On side wall surface.
As it is shown in figure 1, in the present embodiment, carbon cloth 6 mutually overlaps on accumbency steel column 1 outer surface And be wrapped in outside accumbency steel column 1.
As it is shown in figure 1, in the present embodiment, two carbon cloths 6 belong to same and from accumbency steel column 1 Accumbency steel column 1 is wrapped up on outer surface.
As it is shown in figure 1, in the present embodiment, accumbency steel column 1 uses semicircular pillar, square column, triangle Post or trapezoidal column.
As it is shown in figure 1, in the present embodiment, fixed-hinged support 2 is coaxially arranged with jack 3, and axis It is on same straight line with the center of gravity of the center of gravity of accumbency steel column 1 and concrete test block 7.
As it is shown in figure 1, in the present embodiment, be additionally provided with between force transducer 4 and concrete test block 7 for Dispersed loading load is with the baffle plate 5 preventing stress from concentrating.
As it is shown in figure 1, in the present embodiment, between carbon cloth 6 and accumbency steel column 1 and/or carbon cloth Use bonded adhesives bonding between 6 with concrete test block 7.
As it is shown in figure 1, in the present embodiment, carbon cloth 6 encloses hemi-closure space, hemi-closure space Opening towards concrete test block 7.Baffle plate 5, force transducer 4, jack 3, fixed-hinged support 2 and Steel column is in hemi-closure space.
As it is shown in figure 1, in the present embodiment, the outbound course of jack 3 is towards steel column.
During enforcement, it is provided that the experiment charger of a kind of carbon cloth double shear experiment, including semicircle steel column (accumbency steel column 1), fixed-hinged support 2, jack 3, force transducer 4, baffle plate 5, carbon cloth 6 With concrete test block 7, it is to install in the double shear test block pasted carbon cloth 6, forms a closing Internal force load mode.This device has only to by jack 3 jacking semicircle steel column, can be achieved with carbon fine The overall process that dimension cloth 6 double shear test block destroys.Device used by loading, both can ensure that peeling force was fine at carbon Dimension cloth 6 sticking veneer in, again can by fixed-hinged support 2 regulate carbon cloth 6 load time horizontal The problem of discontinuity, this device is easy for installation simple to operate and the most limited by the field.
The service behaviour of the experiment charger needed for the loading of carbon cloth double shear experiment and tradition charger Compare, there is following feature:
(1) double shear experiment need not the auxiliary concrete test block by other, it is not required that special shearing Testing machine, can complete double shear experiment in test test block.
(2) fixed-hinged support 2 can eliminate lateral stressed uneven asking of producing when carbon cloth is pasted irregular Topic.
(3) position of charger can be adjusted, it is ensured that plane pasted by shearing force and carbon cloth 6 is altogether Face.
(4) baffle plate 5 can effectively reduce external load that jack 3 the brings destruction to test block.
(5) this charger install, simple to operate, dismounting and convenient transfer laborsaving.
(6) do not limited by place, it is not necessary to external fixation device.
(7) this charger can be used for the shearing examination of the analog material such as glass fabric, basalt fiber cloth Test.
Test overall process need not assist concrete test block by other, it is possible to substitutes special shearing test Machine.This charger can effectively eliminate the lateral stressed problem of non-uniform produced when carbon cloth is pasted irregular. Ensure that shearing force, in the sticking veneer of carbon cloth 6, will not produce the power being perpendicular to sticking veneer direction. The installation of charger, operate and dismantle the most very convenient.Test overall process is not limited by place.This loading Device is equally applicable in the double shear experiment of other analog materials.
Carbon cloth 6 double shear experiment charger comprises the following steps when implementing, and determines carbon cloth 6 Space required for paste position and installation charger;Affixing carbon fabric 6, and carbon cloth 6 with The closing space that concrete test block 7 is formed is put into semicircle steel column, fixed-hinged support 2, jack 3 And force transducer 4 etc. forms the loading experimental apparatus that this utility model is proposed, then by jack 3 Jacking semicircle steel column loads.
It is embodied as flow process: the carbon cloth 6 cut is pasted onto concrete test block 7 according to construction method Above;Wait that carbon cloth 6 bonded adhesives reaches to use intensity;In the closing space that carbon cloth 6 surrounds In baffle plate 5, force transducer 4, jack 3, fixed-hinged support 2 and semi-circular steel column are installed successively;Complete Become after installing, adjust position, it is ensured that shearing force is in the sticking veneer of carbon cloth 6 so that carbon cloth 6 Pure shear is occurred to destroy;Loaded by jack 3 jacking semicircle steel column.Load.
The foregoing is only preferred embodiment of the present utility model, not thereby limit guarantor of the present utility model Protect scope, every equivalent structure transformation utilizing this utility model description to be made, directly or Connect and be used in other relevant technical fields, be the most in like manner included in scope of patent protection of the present utility model.

Claims (10)

1. an experiment charger for carbon cloth double shear experiment, including the concrete for double shear experiment Test block (7) and for loading the jack (3) of load,
It is characterized in that,
First end of jack (3) is connected with force transducer (4), and jack (3) passes through force transducer (4) Connect concrete test block (7);
Second end of jack (3) is by for according to loading the fixed-hinged support (2) that load is automatically adjusted It is connected to the accumbency steel column (1) for assisting double shear experiment;
It is bonded with carbon cloth (6) on the least one set opposite side wall of concrete test block (7), and carbon is fine Wei Bu (6) extends towards accumbency steel column (1) direction and is positioned on accumbency steel column (1).
The experiment charger of carbon cloth double shear experiment the most according to claim 1, its feature exists In,
Carbon cloth (6) is respectively positioned on the upper corresponding side wall surface of accumbency steel column (1).
The experiment charger of carbon cloth double shear experiment the most according to claim 1, its feature exists In,
Carbon cloth (6) mutually overlaps on accumbency steel column (1) outer surface and is wrapped in accumbency steel column (1) Outward.
The experiment charger of carbon cloth double shear experiment the most according to claim 1, its feature exists In,
Carbon cloth (6) belongs to same and wraps up accumbency steel column from the outer surface of accumbency steel column (1) (1)。
The experiment of carbon cloth double shear experiment the most according to any one of claim 1 to 4 adds and carries Put, it is characterised in that
Accumbency steel column (1) uses semicircular pillar, square column, triangular column or trapezoidal column.
The experiment of carbon cloth double shear experiment the most according to any one of claim 1 to 4 adds and carries Put, it is characterised in that
Fixed-hinged support (2) is coaxially arranged with jack (3), and the weight of axis and accumbency steel column (1) The center of gravity of the heart and concrete test block (7) is on same straight line.
The experiment of carbon cloth double shear experiment the most according to any one of claim 1 to 4 adds and carries Put, it is characterised in that
Be additionally provided with between force transducer (4) and concrete test block (7) for dispersed loading load in case The baffle plate (5) that only stress is concentrated.
The experiment of carbon cloth double shear experiment the most according to any one of claim 1 to 4 adds and carries Put, it is characterised in that
Between carbon cloth (6) and accumbency steel column (1) and/or carbon cloth (6) and concrete test block (7) Between use bonded adhesives bonding.
The experiment of carbon cloth double shear experiment the most according to any one of claim 1 to 4 adds and carries Put, it is characterised in that
Carbon cloth (6) encloses hemi-closure space, the opening of hemi-closure space towards concrete test block (7), Baffle plate (5), force transducer (4), jack (3), fixed-hinged support (2) and steel column are in half envelope Close in space.
The experiment of carbon cloth double shear experiment the most according to any one of claim 1 to 4 adds and carries Put, it is characterised in that
The outbound course of jack (3) is towards steel column.
CN201620440190.3U 2016-05-15 2016-05-15 Experimental experiment loading device of carbon cloth double shear Expired - Fee Related CN205593860U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620440190.3U CN205593860U (en) 2016-05-15 2016-05-15 Experimental experiment loading device of carbon cloth double shear

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620440190.3U CN205593860U (en) 2016-05-15 2016-05-15 Experimental experiment loading device of carbon cloth double shear

Publications (1)

Publication Number Publication Date
CN205593860U true CN205593860U (en) 2016-09-21

Family

ID=56930887

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201620440190.3U Expired - Fee Related CN205593860U (en) 2016-05-15 2016-05-15 Experimental experiment loading device of carbon cloth double shear

Country Status (1)

Country Link
CN (1) CN205593860U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106769847A (en) * 2016-12-28 2017-05-31 长安大学 FRP sticking strength comprehensive testers
US11169082B2 (en) 2019-08-02 2021-11-09 King Fahd University Of Petroleum And Minerals Universal debonding test apparatus for carbon fiber reinforced polymer-concrete system and method for sequential multi-testing

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106769847A (en) * 2016-12-28 2017-05-31 长安大学 FRP sticking strength comprehensive testers
US11169082B2 (en) 2019-08-02 2021-11-09 King Fahd University Of Petroleum And Minerals Universal debonding test apparatus for carbon fiber reinforced polymer-concrete system and method for sequential multi-testing

Similar Documents

Publication Publication Date Title
CN205593860U (en) Experimental experiment loading device of carbon cloth double shear
CN206016404U (en) A kind of steel ring component that reinforces for two concrete tapered pole junctions
CN205531430U (en) Prestressing force fibre reinforced composite reinforcing concrete's device
CN207104135U (en) Steel plate welds preheating zone ceramic backing bracing means
CN201728509U (en) Storage battery tray welded installing and fixing device
CN207727988U (en) A kind of connection locking device of building template
CN207314534U (en) Girder steel tongue and groove shear connections device
CN202924427U (en) Rapid binding device of plastic films
CN206970093U (en) A kind of special jacking equipment of electromechanical installation
CN206532808U (en) A kind of movable battery framework used for electric vehicle
CN202631354U (en) Test tool used for detecting tensile strength of electrode/welding spot of battery piece
CN105155675B (en) A kind of node structure of steel bar girder floor plates integral installation
CN207814748U (en) A kind of tubular service frame
CN207122132U (en) A kind of building template
CN206305690U (en) Flange support meanss
CN206617665U (en) A kind of support pipe clamp of through-flooring steel pipe
CN207582985U (en) A kind of fixing bracket for transporting prefabricated panel
CN205653887U (en) Support rack winds up to device of pure pressure or pure pull rod spare in guaranteeing membrane structure
CN205908875U (en) Wind generating set tower section of thick bamboo cable tray
CN101281119B (en) Sustained load loader for FRP cloth reinforcement experiment as well as method thereof
CN206636198U (en) A kind of stull steel-tube construction with piecing devices
CN205712163U (en) Wind-driven generator tower strengthening of foundation device
CN103776706A (en) Rudder plane loading device for composite material
CN203705276U (en) Device for loading composite material control surface load
CN205955228U (en) Prestressing force stretch -draw and anchor of carbon cloth

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20160921

Termination date: 20180515