CN105910904A - Asphalt elasticity recovery rate measurement device and method - Google Patents

Asphalt elasticity recovery rate measurement device and method Download PDF

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Publication number
CN105910904A
CN105910904A CN201610362094.6A CN201610362094A CN105910904A CN 105910904 A CN105910904 A CN 105910904A CN 201610362094 A CN201610362094 A CN 201610362094A CN 105910904 A CN105910904 A CN 105910904A
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CN
China
Prior art keywords
stretching
bitumen samples
measurement
carrier
recovery rate
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CN201610362094.6A
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CN105910904B (en
Inventor
杨黔
佘文
吕晓舜
乔东华
何飞
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Guizhou Transportation Planning Survey and Design Academe Co Ltd
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Guizhou Transportation Planning Survey and Design Academe Co Ltd
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/08Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/42Road-making materials

Abstract

The invention relates to the technical field of asphalt elasticity recovery rate measurement and particularly discloses an asphalt elasticity recovery rate measurement device and method. The asphalt elasticity recovery rate measurement device comprises a measurement body and a stretching carrier, wherein the measurement body is provided with a fixed column; the stretching carrier comprises a stretching end and a fixed end; the fixed end is provided with a fixed hole which sleeves the fixed column; when the fixed hole sleeves the fixed column, the stretching end is leveled with the side edge of the measurement body; and scale lines vertical to the side edge in the horizontal direction are arranged at the side edge of the measurement body. According to the asphalt elasticity recovery rate measurement device provided by the invention, the scale lines are arranged on a measurement platform at the side edge of the measurement body, so that the change of the length of an asphalt test sample can be conveniently and accurately measured; and the measurement of a plurality of groups of the asphalt test samples can be carried out and the efficiency is improved.

Description

A kind of asphalt elasticity recovery rate measurement apparatus and method
[technical field]
The present invention relates to asphalt elasticity recovery rate field of measuring technique, particularly relate to a kind of asphalt elasticity extensive Multiple rate measurement apparatus and method.
[background technology]
Along with the development of China's communication, the usage amount of Colophonium is also gradually increasing, the Colophonium of high-quality Its elastic restoration ratio ability is higher, and elastic restoration ratio is to evaluate Colophonium under certain condition, it is possible to retraction Ratio, reflect the agglomerating force of Colophonium internal system.Existing asphalt elasticity recovery rate experiment with measuring Use and cut off after bitumen samples put into stretching carrier stretching, sample is put in thermostatted water 1 hour After again measure the method for changing value of bitumen samples length, during measurement, need two will cut off Just aliging in the tip of individual bitumen samples, measures and need manually to measure a group by a group, measure process Anthropic factor is relatively big on the impact of measurement result, and measurement error is big, and efficiency is low.
[summary of the invention]
During present invention seek to address that the measurement of existing asphalt elasticity recovery rate, anthropic factor is to measurement result Impact relatively big, measurement error is big, inefficient problem, it is provided that a kind of asphalt elasticity recovery rate is measured Device and method, technical scheme is as follows:
The present invention provides a kind of asphalt elasticity recovery rate measurement apparatus, including: measure body and stretching carries Body, described measurement body is provided with fixing post, and described stretching carrier includes stretching end and fixing end, Described fixing end is provided with the fixing hole being set on described fixing post, and described fixing hole is sleeved on described solid Time on fixed column, described stretching end is concordant with the side of described measurement body, on the side of described measurement body It is provided with the scale strip being perpendicular to described side in the horizontal direction.
In certain embodiments, at least provided with two fixing posts on described measurement body.
In certain embodiments, the side of described measurement body vertically extends measurement in the horizontal direction Platform, described test desk surface configuration has scale strip.
In certain embodiments, described test desk is positioned at the lower section of described stretching carrier place horizontal plane.
In certain embodiments, the range of described scale strip is at least 4cm.
For making technical scheme more perfect, the present invention also provides for a kind of asphalt elasticity recovery rate measuring method, Using a kind of asphalt elasticity recovery rate measurement apparatus, described asphalt elasticity recovery rate measurement apparatus includes: Measuring body and stretching carrier, described measurement body is provided with fixing post, described stretching carrier includes Stretching end and fixing end, described fixing end is provided with the fixing hole being set on described fixing post, described solid Determine described stretching end when borehole jack is contained on described fixing post concordant with the side of described measurement body, described Measure and be provided with, on the side of body, the scale strip being perpendicular to described side in the horizontal direction;
Described asphalt elasticity recovery rate measuring method comprises the following steps:
The first stretching carrier of the first bitumen samples will be carried and carry the second of the second bitumen samples Stretching carrier is set with on the fixing post of described measurement body, makes described first stretching carrier and the The stretching end of two stretching carriers is concordant with the test desk of described measurement body side;
The first bitumen samples and the second bitumen samples is read respectively by the scale strip on described test desk Length.
In certain embodiments, described the first of the first bitumen samples that will carry stretches carrier and carrying The the second stretching carrier having the second bitumen samples is set with on the fixing post of described measurement body, makes The stretching end of described first stretching carrier and the second stretching carrier and the test desk of described measurement body side Also include before concordant step:
Bitumen samples is watered and stretches carrier inside in two, by the fixing end of two stretching carriers respectively Being fixed in the slide plate of ductility machine and groove end fixed plate and make two stretching carriers be separated from each other, stretching is described Bitumen samples;
The shears described Colophonium examination after described bitumen samples intermediate shear stretches is used in stretching at once after stopping Sample, is formed and carries the first stretching carrier of the first bitumen samples and carry the of the second bitumen samples Two stretching carriers.
In certain embodiments, described stretching is cut in the middle of described bitumen samples with shears after stopping at once Cut the described bitumen samples after stretching, formed and carry the first stretching carrier of the first bitumen samples and hold Also include after the step of the second stretching carrier being loaded with the second bitumen samples:
Described the first of the first bitumen samples that carries is stretched carrier and carries the second bitumen samples Second stretching carrier soaks one hour in water, makes described first bitumen samples and the second bitumen samples Sizing.
In certain embodiments, the water temperature soaking described first bitumen samples and the second bitumen samples is 25 DEG C, and during invading bubble, keep constant temperature.
In certain embodiments, the elastic restoration ratio computing formula of described bitumen samples is:
D = 10 - ( X 1 + X 2 - 3 ) 10 × 100 %
Wherein, D is the elastic restoration ratio of bitumen samples, and X1 is the length of the first bitumen samples, X2 It is the length of the second bitumen samples.
Having the beneficial effects that of the specific embodiment of the invention, the asphalt elasticity recovery rate that the present invention provides is surveyed Amount device is by arranging scale strip on the test desk measuring body side, it is possible to conveniently measure accurately The change of bitumen samples length, can carry out organizing the measurement of bitumen samples more simultaneously, improve efficiency.
[accompanying drawing explanation]
A kind of asphalt elasticity recovery rate measurement apparatus that Fig. 1 provides for the embodiment of the present invention 1 measures this The structural representation of body;
In a kind of asphalt elasticity recovery rate measurement apparatus that Fig. 2 provides for the embodiment of the present invention 1, stretching carries The structural representation of body;
A kind of asphalt elasticity recovery rate measurement apparatus that Fig. 3 provides for the embodiment of the present invention 1 was measured Journey schematic diagram;
Fig. 4 shows for the flow process of a kind of asphalt elasticity recovery rate measuring method that the embodiment of the present invention 2 provides It is intended to.
[detailed description of the invention]
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with accompanying drawing And embodiment, the present invention is further elaborated.Should be appreciated that described herein specifically Embodiment only in order to explain the present invention, is not intended to limit the present invention.
Embodiment 1
The embodiment of the present invention provides a kind of asphalt elasticity recovery rate measurement apparatus, including: include measuring this Body 1 and stretching carrier 2, as it is shown in figure 1, a kind of asphalt elasticity recovery provided for the embodiment of the present invention Rate measurement apparatus is measured the structural representation of body, described measurement body 1 is provided with fixing post 11, Measure on body 1 at least provided with two fixing posts 11 described in shape, on the side of described measurement body 1 It is provided with the scale strip 13 being perpendicular to described side in the horizontal direction, specifically, described measurement body The side of 1 vertically extends test desk 12 in the horizontal direction, and described test desk 12 surface configuration has quarter Degree bar 13, described test desk 12 is positioned at the lower section of described stretching carrier 2 place horizontal plane, it is simple to pass through Test desk 12 high scale bar 13 reads the length of the bitumen samples of carrying, institute on described stretching carrier 2 The range stating scale strip 13 is at least 4cm, and this range need to be more than the greatest length of bitumen samples, this reality Executing in example, the quantity of fixing post 11 is 6, and the quantity of test desk 12 is 4, and each two is fixed One test desk 12 is set between post 11,3 groups of bitumen samples measurement of lengths can be carried out simultaneously, In actual application, the quantity of described fixing post 11 can be 6,8,10 etc., described survey The quantity of amount platform 12 can be 4,6,8 etc..
As in figure 2 it is shown, for the embodiment of the present invention provide a kind of asphalt elasticity recovery rate measurement apparatus in The structural representation of stretching carrier, described stretching carrier 2 includes stretching end 21 and fixing end 22, described Fixing end 22 is provided with the fixing hole 23 being set on described fixing post 11, and described fixing hole 23 is sleeved on Time on described fixing post 11, described stretching end 21 is concordant with the side of described measurement body 1, concordant Purpose is to ensure that the bitumen samples of carrying and the test desk 12 measuring body side on stretching carrier 2 The scale strip 13 of upper setting is directed at, it is simple to the length of bitumen samples is carried out reading.In the present embodiment Generally two, stretching carrier 2 with the use of, bitumen samples is separately fixed at two stretching carriers 2 Stretching end 21, two stretching carriers 2 fixing ends 22 on apply reversal interlocking relay, bitumen samples will It is stretched.
What deserves to be explained is, in the present embodiment, described fixing post 11 is cylindrical, described fixing hole 23 For with described fixing post 11 with the use of circular hole, in actual applications, fixing post and fixing hole also may be used Adopt and be fixed in other ways.
A kind of asphalt elasticity recovery rate measurement apparatus present invention provided below in conjunction with specific embodiment How to use during asphalt elasticity recovery rate experiment with measuring and be further detailed:
(1) the T0605 asphalt elasticity recovery rate experiment with measuring method in JTGE20 of pressing is by bitumen samples Water in two stretching carriers 2 internal, bitumen samples is incubated 1.5 hours in 25 DEG C of tanks;
(2) the fixing end 22 of two stretching carriers 2 is separately fixed at ductility machine by fixing hole 23 Slide plate and groove end fixed plate on make two stretching carriers 2 be separated from each other, with the speed of 5 ± 0.25cm/min Rate stretching bitumen samples stops stretching when reaching 10cm ± 0.25cm;
(3) shears bitumen samples after bitumen samples intermediate shear stretches is used after stretching stops at once, Formed to carry the first stretching carrier of the first bitumen samples and carry the second of the second bitumen samples and draw Stretch carrier, be 25 DEG C by the first bitumen samples and the second bitumen samples in water temperature and keep water temperature constant In the case of soak one hour;
(4) the first bitumen samples and the second bitumen samples are smoothed out with the fingers directly gently, the first Colophonium examination will be carried First stretching carrier of sample is solid by stretching carrier with the second stretching carrier carrying the second bitumen samples The fixing hole 23 arranged on fixed end 22 is set with on the fixing post 11 of described measurement body 1, makes The stretching end 21 of described stretching carrier is concordant with the test desk 12 of described measurement body 1 side;
(5) the first bitumen samples and second is read respectively by the scale strip 13 on described test desk 12 The length of bitumen samples, utilizes formula to calculate the elastic restoration ratio of bitumen samples, described bitumen samples Elastic restoration ratio computing formula is:
D = 10 - ( X 1 + X 2 - 3 ) 10 × 100 %
Wherein, D is the elastic restoration ratio of bitumen samples, and X1 is the length of the first bitumen samples, X2 It is the length of the second bitumen samples.
As it is shown on figure 3, for the embodiment of the present invention provide a kind of asphalt elasticity recovery rate measurement apparatus in Measure process schematic, the first Colophonium can be read respectively by the scale strip 13 on described test desk 12 Length X1 of sample and length X2 of the second bitumen samples.
The asphalt elasticity recovery rate measurement apparatus that the present embodiment provides is by the measurement measuring body side Scale strip is set on platform, it is possible to the convenient change measuring bitumen samples length accurately, can enter simultaneously The row measurement organizing bitumen samples, improves efficiency more.
Embodiment 2
As shown in Figure 4, a kind of asphalt elasticity recovery rate measuring method provided for the embodiment of the present invention Schematic flow sheet.The present invention also provides for a kind of asphalt elasticity recovery rate measuring method, uses a kind of Colophonium Elastic restoration ratio measurement apparatus, described asphalt elasticity recovery rate measurement apparatus includes: measures body and draws Stretching carrier, described measurement body is provided with fixing post, described stretching carrier includes stretching end and fixing End, described fixing end is provided with the fixing hole being set on described fixing post, and described fixing hole is sleeved on institute When stating on fixing post, described stretching end is concordant with the side of described measurement body, the side of described measurement body The scale strip being perpendicular to described side in the horizontal direction it is provided with on limit;
Described asphalt elasticity recovery rate measuring method comprises the following steps:
S1: the first stretching carrier of the first bitumen samples will be carried and carry the second bitumen samples Second stretching carrier is set with on the fixing post of described measurement body, makes described first stretching carrier Concordant with the test desk of described measurement body side with the stretching end of the second stretching carrier;
S2: read the first bitumen samples respectively by the scale strip on described test desk and the second Colophonium tries The length of sample.
For making step more complete, described the first of the first bitumen samples that will carry stretches carrier and holds The the second stretching carrier being loaded with the second bitumen samples is set with on the fixing post of described measurement body, Make the stretching end of described first stretching carrier and the second stretching carrier and the measurement of described measurement body side Also include before the step that platform is concordant:
Bitumen samples is watered and stretches carrier inside in two, by the fixing end of two stretching carriers respectively Being fixed in the slide plate of ductility machine and groove end fixed plate and make two stretching carriers be separated from each other, stretching is described Bitumen samples;
The shears described Colophonium examination after described bitumen samples intermediate shear stretches is used in stretching at once after stopping Sample, is formed and carries the first stretching carrier of the first bitumen samples and carry the of the second bitumen samples Two stretching carriers.
For making step more complete, described stretching uses shears in the middle of described bitumen samples after stopping at once Described bitumen samples after shear tension, formed carry the first bitumen samples first stretching carrier and Also include after the step of the second stretching carrier carrying the second bitumen samples:
Described the first of the first bitumen samples that carries is stretched carrier and carries the second bitumen samples Second stretching carrier soaks one hour in water, makes described first bitumen samples and the second bitumen samples Sizing.Preferably, the water temperature soaking described first tensile sample and the second tensile sample is 25 DEG C, and Keep constant temperature constant during invading bubble.
The elastic restoration ratio of bitumen samples described in the measuring method according to above-mentioned asphalt elasticity recovery rate calculates Formula is:
D = 10 - ( X 1 + X 2 - 3 ) 10 × 100 %
Wherein, D is the elastic restoration ratio of bitumen samples, and X1 is the length of the first bitumen samples, X2 It is the length of the second bitumen samples.
A kind of asphalt elasticity recovery rate measuring method present invention provided below in conjunction with specific embodiment Concrete steps be further detailed:
(1) the T0605 asphalt elasticity recovery rate experiment with measuring method in JTGE20 of pressing is by bitumen samples Water and stretch carrier inside in two, bitumen samples is incubated 1.5 hours in 25 DEG C of tanks;
(2) by two stretching carriers fixing end by fixing hole be separately fixed at ductility machine slide plate and Two stretching carriers are made to be separated from each other, with the rate tensile Colophonium of 5 ± 0.25cm/min in groove end fixed plate Sample stops stretching when reaching 10cm ± 0.25cm;
(3) shears bitumen samples after bitumen samples intermediate shear stretches is used after stretching stops at once, Formed to carry the first stretching carrier of the first bitumen samples and carry the second of the second bitumen samples and draw Stretch carrier, be 25 DEG C by the first bitumen samples and the second bitumen samples in water temperature and keep water temperature constant In the case of soak one hour;
(4) the first bitumen samples and the second bitumen samples are smoothed out with the fingers directly gently, the first Colophonium examination will be carried First stretching carrier of sample is solid by stretching carrier with the second stretching carrier carrying the second bitumen samples The fixing hole arranged on fixed end is set with on the fixing post of described measurement body, makes described stretching carry The stretching end of body is concordant with the test desk of described measurement body side;
(5) read the first bitumen samples respectively by the scale strip on described test desk and the second Colophonium tries The length of sample, utilizes formula to calculate the elastic restoration ratio of bitumen samples, and the elasticity of described bitumen samples is extensive Multiple rate computing formula is:
D = 10 - ( X 1 + X 2 - 3 ) 10 × 100 %
Wherein, D is the elastic restoration ratio of bitumen samples, and X1 is the length of the first bitumen samples, X2 It is the length of the second bitumen samples.
The asphalt elasticity recovery rate measuring method that the present embodiment provides uses a kind of asphalt elasticity recovery rate to survey Amount device, device is by arranging scale strip on the test desk measuring body side, it is possible to convenient accurate Measure bitumen samples length change, can carry out organizing the measurement of bitumen samples more simultaneously, improve Efficiency.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all Any amendment, equivalent and the improvement etc. made within the spirit and principles in the present invention, all should comprise Within protection scope of the present invention.

Claims (10)

1. an asphalt elasticity recovery rate measurement apparatus, it is characterised in that including: measure body and draw Stretching carrier, described measurement body is provided with fixing post, described stretching carrier includes stretching end and fixing End, described fixing end is provided with the fixing hole being set on described fixing post, and described fixing hole is sleeved on institute When stating on fixing post, described stretching end is concordant with the side of described measurement body, the side of described measurement body The scale strip being perpendicular to described side in the horizontal direction it is provided with on limit.
2. asphalt elasticity recovery rate measurement apparatus as claimed in claim 1, it is characterised in that described Measure on body at least provided with two fixing posts.
3. asphalt elasticity recovery rate measurement apparatus as claimed in claim 1, it is characterised in that described The side measuring body vertically extends test desk in the horizontal direction, and described test desk surface configuration has Scale strip.
4. asphalt elasticity recovery rate measurement apparatus as claimed in claim 3, it is characterised in that described Test desk is positioned at the lower section of described stretching carrier place horizontal plane.
5. the asphalt elasticity recovery rate measurement apparatus as described in any one of claim 1-4, its feature exists In, the range of described scale strip is at least 4cm.
6. an asphalt elasticity recovery rate measuring method, it is characterised in that use a kind of asphalt elasticity to survey Amount recovery device, described asphalt elasticity recovery rate measurement apparatus includes: measure body and stretching carrier, Being provided with fixing post on described measurement body, described stretching carrier includes stretching end and fixing end, described Fixing end is provided with the fixing hole being set on described fixing post, and described fixing hole is sleeved on described fixing post Time upper, described stretching end is concordant with the side of described measurement body, and the side of described measurement body is arranged There is the scale strip being perpendicular to described side in the horizontal direction;
Described asphalt elasticity recovery rate measuring method comprises the following steps:
The first stretching carrier of the first bitumen samples will be carried and carry the second of the second bitumen samples Stretching carrier is set with on the fixing post of described measurement body, makes described first stretching carrier and the The stretching end of two stretching carriers is concordant with the test desk of described measurement body side;
The first bitumen samples and the second bitumen samples is read respectively by the scale strip on described test desk Length.
7. asphalt elasticity recovery rate measuring method as claimed in claim 6, it is characterised in that described The first stretching carrier of the first bitumen samples will be carried and carry the second stretching of the second bitumen samples Carrier is set with on the fixing post of described measurement body, makes described first stretching carrier and second draw Also include before stretching the stretching end step concordant with the test desk of described measurement body side of carrier:
Bitumen samples is watered and stretches carrier inside in two, by the fixing end of two stretching carriers respectively Being fixed in the slide plate of ductility machine and groove end fixed plate and make two stretching carriers be separated from each other, stretching is described Bitumen samples;
The shears described Colophonium examination after described bitumen samples intermediate shear stretches is used in stretching at once after stopping Sample, is formed and carries the first stretching carrier of the first bitumen samples and carry the of the second bitumen samples Two stretching carriers.
8. asphalt elasticity recovery rate measuring method as claimed in claim 7, it is characterised in that described Stretching uses the shears described bitumen samples after described bitumen samples intermediate shear stretches after stopping at once, Formed to carry the first stretching carrier of the first bitumen samples and carry the second of the second bitumen samples and draw Also include after stretching the step of carrier:
Described the first of the first bitumen samples that carries is stretched carrier and carries the second bitumen samples Second stretching carrier soaks one hour in water, makes described first bitumen samples and the second bitumen samples Sizing.
9. asphalt elasticity recovery rate measuring method as claimed in claim 8, it is characterised in that soak The water temperature of described first bitumen samples and the second bitumen samples is 25 DEG C, and keeps perseverance during invading bubble Temperature.
10. the asphalt elasticity recovery rate measuring method as described in claim 6-9, it is characterised in that institute The elastic restoration ratio computing formula stating bitumen samples is:
D = 10 - ( X 1 + X 2 - 3 ) 10 × 100 %
Wherein, D is the elastic restoration ratio of bitumen samples, and X1 is the length of the first bitumen samples, X2 It is the length of the second bitumen samples.
CN201610362094.6A 2016-05-26 2016-05-26 A kind of asphalt elasticity recovery rate measurement apparatus and method Active CN105910904B (en)

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05306980A (en) * 1992-04-30 1993-11-19 Japan Energy Corp Toughness and tenacity testing machine
CN102879271A (en) * 2012-09-29 2013-01-16 长安大学 Method and device for detecting bituminous mortar damage self-healing performance
CN203422271U (en) * 2013-08-19 2014-02-05 杭州新生印染有限公司 Elastic recovery tester
CN203849088U (en) * 2014-05-15 2014-09-24 深圳大学 Shape memory performance tester
CN204177686U (en) * 2014-10-27 2015-02-25 福建华峰新材料有限公司 Resilient material quiet stretching nerve test instrument
CN204831926U (en) * 2015-08-20 2015-12-02 滕州东方钢帘线有限公司 Elasticity measuring apparatu
CN205786100U (en) * 2016-05-26 2016-12-07 贵州省交通规划勘察设计研究院股份有限公司 A kind of asphalt elasticity recovery rate measurement apparatus

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05306980A (en) * 1992-04-30 1993-11-19 Japan Energy Corp Toughness and tenacity testing machine
CN102879271A (en) * 2012-09-29 2013-01-16 长安大学 Method and device for detecting bituminous mortar damage self-healing performance
CN203422271U (en) * 2013-08-19 2014-02-05 杭州新生印染有限公司 Elastic recovery tester
CN203849088U (en) * 2014-05-15 2014-09-24 深圳大学 Shape memory performance tester
CN204177686U (en) * 2014-10-27 2015-02-25 福建华峰新材料有限公司 Resilient material quiet stretching nerve test instrument
CN204831926U (en) * 2015-08-20 2015-12-02 滕州东方钢帘线有限公司 Elasticity measuring apparatu
CN205786100U (en) * 2016-05-26 2016-12-07 贵州省交通规划勘察设计研究院股份有限公司 A kind of asphalt elasticity recovery rate measurement apparatus

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