CN209043783U - A kind of asphalt and aggregate bonding strength test spindle - Google Patents

A kind of asphalt and aggregate bonding strength test spindle Download PDF

Info

Publication number
CN209043783U
CN209043783U CN201821525785.4U CN201821525785U CN209043783U CN 209043783 U CN209043783 U CN 209043783U CN 201821525785 U CN201821525785 U CN 201821525785U CN 209043783 U CN209043783 U CN 209043783U
Authority
CN
China
Prior art keywords
spindle
asphalt
cylindrical structure
screw thread
aggregate
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
CN201821525785.4U
Other languages
Chinese (zh)
Inventor
甘新立
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.)
Guizhou Institute of Technology
Original Assignee
Guizhou Institute of 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 Guizhou Institute of Technology filed Critical Guizhou Institute of Technology
Priority to CN201821525785.4U priority Critical patent/CN209043783U/en
Application granted granted Critical
Publication of CN209043783U publication Critical patent/CN209043783U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model discloses a kind of asphalt and aggregate bonding strength test spindles, it include spindle seat, the top half of spindle seat is cylindrical structure, the outer wall of cylindrical structure is equipped with external screw thread, it further include having spindle cap, it is equipped with internal screw thread in spindle cap, the external screw thread of the internal screw thread and cylindrical structure matches.Pitch after fusing is poured in a groove, and pitch is slightly compressed to the substrate surface that gathers materials downwards by the depth of the formed groove of plane on plane on control spindle cap and spindle seat, can start to test after pitch is cooling by the utility model.Drawing instrument in the arc-shaped pulling force component for being caught in drawing instrument of spindle seat bottom, will be opened when test to be tested.The present apparatus may be implemented in the bonding strength test of progress asphalt and aggregate under the conditions of different pitches film thickness, reach the purpose of the adhesion strength of asphalt and aggregate under the adhesion strength of Accurate Determining asphalt and aggregate interface, or design asphalt membrane thickness.Test spindle design rationally, structure is simple, easily operated.

Description

A kind of asphalt and aggregate bonding strength test spindle
Technical field
The utility model relates to a kind of bonding strength test spindle, especially a kind of asphalt and aggregate bonding strength test ingot Son.
Background technique
Bituminous pavement is the pavement structure as made of asphalt making, and asphalt is one kind by pitch sum aggregate Expect the mixing material of composition, in addition to being influenced by pitch and the self character that gathers materials, adhesion strength between the two is also performance Influence performance of asphalt mixture key factor.When the adhesion strength deficiency of asphalt and aggregate, in traffic loading and Lu Biao water Under effect, asphalt membrane will fall off from surface of aggregate, cause bituminous pavement to generate the diseases such as loose, peeling, seriously affect pitch The pavement performance and service life on road surface.
In the method that all multipair asphalt adhesions are evaluated, the bonding strength test of asphalt and aggregate can Intuitively, the adhesion strength between asphalt and aggregate is quantitatively reacted, is had a clear superiority relative to other evaluation methods.Pitch and collection The bonding strength test of material is that pitch is applied on spindle, then spindle is placed on to the smooth substrate surface that gathers materials, and is used The devices such as drawing instrument apply pulling force to spindle, when the interface of sticking of asphalt and aggregate substrate is destroyed, and records destruction Boundary strength value.
However, due to the test result of the test influenced by asphalt membrane thickness it is significant, when asphalt membrane is thicker, failure mechanics It will be located in the middle part of asphalt membrane, and the contact surface of non-asphaltic membrane and the substrate that gathers materials, this just makes test result that can not accurately reflect pitch With the practical adhesion strength to gather materials.Lead to such situation occur to be primarily due to existing asphalt and aggregate bonding strength test Spindle is unable to control asphalt membrane thickness, causes test result validity poor.
Summary of the invention
The purpose of the utility model is to provide a kind of asphalt and aggregate bonding strength test spindles.The experimental rig is set Rationally, structure is simple for meter, easily operated, can control in asphalt and aggregate bonding strength test asphalt membrane thickness, Realize the test to asphalt membrane and the boundary strength for the substrate that gathers materials.
The technical solution of the utility model includes: a kind of asphalt and aggregate bonding strength test spindle, includes spindle seat, spindle The top half of seat is cylindrical structure, and it further includes having spindle cap, in spindle cap that the outer wall of cylindrical structure, which is equipped with external screw thread, Equipped with internal screw thread, the external screw thread of the internal screw thread and cylindrical structure matches.
Asphalt and aggregate bonding strength test spindle above-mentioned, the lower half portion of the spindle seat are arc-shaped structure.
Asphalt and aggregate bonding strength test spindle above-mentioned, height and the spindle cap height phase of the cylindrical structure Together, cylindrical structure is equipped with scale.
Asphalt and aggregate bonding strength test spindle above-mentioned, the cylindrical structure are divided into upper and lower two parts, top It is arranged with external screw thread, lower part is arranged with scale, and the zero graduation line of scale is since the lower end surface of cylindrical structure.
The utility model has the beneficial effects that compared with prior art, the utility model by plane on control spindle cap with The depth of the formed groove of plane on spindle seat, can quickly read depth of groove by the scale value on spindle seat, will melt Pitch afterwards pours in a groove, and pitch is slightly compressed to the substrate surface that gathers materials downwards, can start to test after pitch is cooling. Drawing instrument in the arc-shaped pulling force component for being caught in drawing instrument of spindle seat bottom, will be opened when test to be tested.The present apparatus can It realizes the bonding strength test for carrying out asphalt and aggregate under the conditions of different pitches film thickness, reaches Accurate Determining asphalt and aggregate The purpose of the adhesion strength of asphalt and aggregate under the adhesion strength of interface, or design asphalt membrane thickness.Spindle design is tested to close Reason, structure is simple, easily operated.
Detailed description of the invention
Attached drawing 1 is the structural schematic diagram of the utility model;
Fig. 2 is the structural schematic diagram of spindle seat;
Fig. 3 is the structural schematic diagram of spindle cap;
Appended drawing reference: 1- spindle seat, 2- spindle cap, 3- cylindrical structure, 4- external screw thread, 5- internal screw thread, the arc-shaped knot of 6- Structure, 7- scale.
Specific embodiment
The utility model is further described with reference to the accompanying drawings and examples, but is not intended as to the utility model The foundation of limitation.
The embodiments of the present invention: a kind of asphalt and aggregate bonding strength test spindle, as illustrated in the accompanying drawings from 1 to 3, including There is 1 spindle seat 1, the top half of the spindle seat 1 is cylindrical structure 3, and the outer wall of cylindrical structure 3 is equipped with external screw thread 4, Further include having 1 spindle cap 2, internal screw thread 5,4 phase of external screw thread of the internal screw thread 5 and cylindrical structure 3 are equipped in the spindle cap 2 Match.
In use, spindle seat 1 and spindle cap 2 are together by a threaded connection, when the top surface of cylindrical structure 3 is not from ingot When the threaded hole of sub- cap 2 is back-outed, the threaded hole of spindle cap 2 just will form 1 groove structure, and it is recessed then to measure this by graduated scale Pitch after fusing is then cast in the groove again, and pitch is slightly compressed to the substrate surface that gathers materials downwards by the depth of slot On, it can start to test after pitch is cooling.The lower half portion of spindle seat 1 is caught in the pulling force component of drawing instrument when test, is opened Opening drawing instrument can be tested.After test structure, the pitch in groove is removed, by rotary spindle seat 1 or spindle cap 2, The depth of i.e. changeable groove, then repeats above-mentioned step.It is repeated multiple times, it can be realized in different different pitches film thickness The bonding strength test that asphalt and aggregate are carried out under the conditions of degree, reaches the adhesion strength of Accurate Determining asphalt and aggregate interface, Or design the purpose of the adhesion strength of asphalt and aggregate under asphalt membrane thickness.
The lower half portion of the spindle seat 1 is arc-shaped structure 6.The structure can be convenient the arc-shaped knot of spindle seat 1 Structure 6 is caught in the pulling force component of drawing instrument, and pulling force component is similar to 1 jaw structure that can move freely opening, gathering, when Drawing instrument is opened, and can be caught in the arc-shaped structure 6 of spindle seat 1 wherein, and after drawing instrument collapses, pulling force component can jail Firm ground blocks arc-shaped structure 6, so that spindle seat 1 link together with drawing instrument well.
The height of the cylindrical structure 3 is identical as 2 height of spindle cap, and cylindrical structure 3 is equipped with along its short transverse and carves Degree 7.The setting is advantageous in that, since the height of cylindrical structure 3 and the height value of spindle cap 2 are fixed and invariable, works as ingot When the bottom surface of sub- cap 2 is concordant with the bottom surface of cylindrical structure 3, the top surface of spindle cap 2 is just flat with the top surface of cylindrical structure 3 Together, at this point, spindle cap 2 just shelters from the scale 7 in cylindrical structure 3 completely, groove is filled and led up.And work as cylindrical structure 3 when not being fully screwed into the threaded hole of spindle cap 2, by read exposed outside in cylindrical structure 3 come scale 7, that is, may know that The depth of groove that cylindrical structure 3 and spindle cap 2 are formed be it is how many, this goes to measure there is no need to reuse graduated scale.
The cylindrical structure 3 is divided to for upper and lower two parts, and top is arranged with external screw thread 4, and lower part is arranged with scale 7, is carved The zero graduation line of degree 7 is since the lower end surface of cylindrical structure 3.The advantages of this arrangement are as follows reading the scale for exposing outside and Value is the depth of groove.

Claims (4)

1. a kind of asphalt and aggregate bonding strength test spindle, it is characterised in that: include spindle seat (1), spindle seat (1) it is upper Half portion is divided into cylindrical structure (3), and it further includes having spindle cap (2), ingot that the outer wall of cylindrical structure (3), which is equipped with external screw thread (4), Internal screw thread (5) are equipped in sub- cap (2), the internal screw thread (5) and the external screw thread (4) of cylindrical structure (3) match.
2. asphalt and aggregate bonding strength test spindle according to claim 1, it is characterised in that: the spindle seat (1) Lower half portion be arc-shaped structure (6).
3. asphalt and aggregate bonding strength test spindle according to claim 1, it is characterised in that: the cylindrical structure (3) height is identical as spindle cap (2) height, and cylindrical structure (3) is equipped with scale (7).
4. asphalt and aggregate bonding strength test spindle according to claim 3, it is characterised in that: the cylindrical structure (3) it is divided into upper and lower two parts, top is arranged with external screw thread (4), and lower part is arranged with scale (7), the zero graduation line of scale (7) Since the lower end surface of cylindrical structure (3).
CN201821525785.4U 2018-09-18 2018-09-18 A kind of asphalt and aggregate bonding strength test spindle Expired - Fee Related CN209043783U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821525785.4U CN209043783U (en) 2018-09-18 2018-09-18 A kind of asphalt and aggregate bonding strength test spindle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821525785.4U CN209043783U (en) 2018-09-18 2018-09-18 A kind of asphalt and aggregate bonding strength test spindle

Publications (1)

Publication Number Publication Date
CN209043783U true CN209043783U (en) 2019-06-28

Family

ID=67033665

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821525785.4U Expired - Fee Related CN209043783U (en) 2018-09-18 2018-09-18 A kind of asphalt and aggregate bonding strength test spindle

Country Status (1)

Country Link
CN (1) CN209043783U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110987797A (en) * 2020-01-07 2020-04-10 安徽省交通控股集团有限公司 Fixing mechanism and method for measuring adhesive force of aggregate and asphalt mortar interface
CN111044449A (en) * 2019-12-04 2020-04-21 河海大学 Controllable forming device for binding material
CN114605111A (en) * 2022-03-25 2022-06-10 上海科妥建设工程咨询合伙企业(有限合伙) Collapsible concrete and design method thereof

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111044449A (en) * 2019-12-04 2020-04-21 河海大学 Controllable forming device for binding material
CN110987797A (en) * 2020-01-07 2020-04-10 安徽省交通控股集团有限公司 Fixing mechanism and method for measuring adhesive force of aggregate and asphalt mortar interface
CN114605111A (en) * 2022-03-25 2022-06-10 上海科妥建设工程咨询合伙企业(有限合伙) Collapsible concrete and design method thereof
CN114605111B (en) * 2022-03-25 2023-08-01 上海科妥建设工程咨询合伙企业(有限合伙) Crumple concrete and design method thereof

Similar Documents

Publication Publication Date Title
CN209043783U (en) A kind of asphalt and aggregate bonding strength test spindle
CN100514064C (en) Cement base material anticracking testing device and testing method thereof
US20140130620A1 (en) Method for testing setting time of cement-based material
CN102175382B (en) Detecting device for detecting lateral pressure of great-mobility concrete template
CN101620042B (en) Method for detecting compressive strength of concrete by body sampling
Ranieri et al. Measurement of hydraulic conductivity in porous mixes
CN110130194A (en) A kind of bituminous pavement integrated evaluating method and device
CN110185071A (en) Cast-in-situ bored pile height detecting device and its detection method
CN209706704U (en) A kind of thickness detection apparatus for asphalt pavement construction management
CN104990839B (en) A kind of sealing material permeability test device of mist containing sand
CN112964618B (en) On-site detection method for high-elasticity rubber asphalt composite broken stone seal
CN205138377U (en) Bituminous paving thickness measurement device
CN109870557A (en) A kind of test method of determining crushed stone sealing maximum asphalt content
CN113136757A (en) Filling method for asphalt pavement drill hole
CN205808880U (en) The bituminous concrete infiltration experiment device improved
CN201555580U (en) Slope measuring instrument
CN106706498A (en) Steady state water permeability coefficient testing device and method of concrete type material
CN103543087A (en) Testing apparatus and method for characterizing diffusion radius of injecting paste material in solid medium
CN207779840U (en) A kind of device of non-destructive testing concrete strength
JP2002250683A (en) Device and method for testing deformation performance of asphalt material
CN206638555U (en) A kind of water permeability coefficient of water permeable brick test device simple to operate
CN109696399A (en) It is a kind of for testing the experimental provision of bituminous pavement interlayer adhesive property
CN205475365U (en) Not drainage loading test device of fixed side limit embedded rock pile
CN112458845A (en) Asphalt pavement loose paving thickness tester
CN204718928U (en) A kind of containing sand mist sealing material permeability test device

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20190628

Termination date: 20190918

CF01 Termination of patent right due to non-payment of annual fee