CN104075919B - A kind of manufacture method of the asphalt cylinder test specimen of the band side surface configurations degree of depth - Google Patents
A kind of manufacture method of the asphalt cylinder test specimen of the band side surface configurations degree of depth Download PDFInfo
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- CN104075919B CN104075919B CN201410289348.7A CN201410289348A CN104075919B CN 104075919 B CN104075919 B CN 104075919B CN 201410289348 A CN201410289348 A CN 201410289348A CN 104075919 B CN104075919 B CN 104075919B
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Abstract
The invention discloses the manufacture method of the asphalt cylinder test specimen of a kind of band side surface configurations degree of depth, comprise the following steps: 1) measurement of road table construction depth；2) substrate of surface scab is made；3) after cementitious matter solidifies, scab substrate bend and fit and be pasted onto the die inside face of hollow cylindrical structure, formation cylinder-like structure, and its scab faces interior；4) step 3 is used) mould of band scab substrate for preparing, by the asphalt cylinder test specimen of the band side surface configurations degree of depth needed for compacting process, static pressure method or gyratory compaction method molding.The present invention can meet simulation experiment needs with the asphalt cylinder test specimen of molding certain side surface configurations degree of depth, when so using the tire rotated to load in test specimen side, is more nearly the friction effect of vehicle tyre and actual road surface.
Description
Technical field
The present invention relates to the technical field of the specimen molding of pavement material laboratory test, refer in particular to a kind of band side
The manufacture method of the asphalt cylinder test specimen of the surface construction degree of depth.
Background technology
Patent of invention " asphalt cylinder test specimen Multi-axial Loading assay device and test method thereof " (application
Numbers 201410174119.0) a kind of asphalt cylinder test specimen Multi-axial Loading assay device and side are provided
Method.Use the rubber wheel side loaded at asphalt cylinder test specimen of rotation, simulating wheel load pair
The active force of actual ground surface material.
But the surface of actual bituminous paving has certain construction depth, and existing asphalt cylinder
Shaping method of specimen cannot simulate the side surface configurations of cylinder test specimen, remains to be further improved and overcomes.
Summary of the invention
It is an object of the invention to overcome the deficiencies in the prior art and shortcoming, it is provided that one is effectively, carry reliably
The manufacture method of the asphalt cylinder test specimen of the side surface configurations degree of depth.
For achieving the above object, technical scheme provided by the present invention is: the drip of a kind of band side surface configurations degree of depth
The manufacture method of blue or green compound cylinder test specimen, comprises the following steps:
1) table construction depth in road is measured
Use JTG E20-2011 " highway engineering Colophonium and Asphalt Mixture Experiment code " the inside
" T0731-2000 asphalt surface texture depth test method " measures the bituminous paving of needs simulation
Road table construction depth；
2) substrate of surface scab is made
First, it is coated with cementitious matter at substrate surface, and sand examination is sprinkling upon cementitious matter surface, treat that cementitious matter solidifies
After, use JTG E20-2011 " highway engineering Colophonium and Asphalt Mixture Experiment code " the inside
The surface structure that " T0731-2000 asphalt surface texture depth test method " measures scab substrate is deep
Degree, then draws the relation curve of surface texture depth x and spreading amount y, returns the relational expression needed for obtaining
Y=f (x), finally according to step 1) the road table construction depth that records, utilize relational expression to calculate spreading of reality
Scab substrate needed for cloth amount, and then making；
3) after cementitious matter solidifies, scab substrate is bent and fits and be pasted onto the mould of hollow cylindrical structure
Medial surface, forms cylinder-like structure, and its scab faces interior；
4) step 3 is used) mould of band scab substrate for preparing, by compacting process, static pressure method or rotate pressure
The asphalt cylinder test specimen of the band side surface configurations degree of depth needed for real method molding.
In step 2) in, use glass-reinforced plastic material thick for 0.5-2mm as substrate；Employing thermoset epoxy tree
Fat is as cementitious matter, and coating weight is 0.2-0.4kg/m2；Use granite or basalt Machine-made Sand, grain size specification
Select in 0.6mm-1.18mm, 1.18mm-2.36mm, 2.36mm-4.75mm, 4.75mm-9.5mm
One or more.
In step 4) in, use the mould internal diameter deduction scab of compacting process molding asphalt cylinder test specimen
Being 152.4mm ± 0.2mm after substrate thickness, height is 101.5mm ± 0.3mm；Use static pressure method molding drip
Being 100mm after the mould internal diameter deduction scab substrate thickness of blue or green compound cylinder test specimen, height is 100mm；
After using the mould internal diameter deduction scab substrate thickness of gyratory compaction method molding asphalt cylinder test specimen it is
100mm or 150mm, height is 250mm.
Described mould uses high-carbon steel or tool steel to make, for combined hollow cylindrical structure, mainly by
Half tubular shell composition of the band flank of two pairings, and fix by installing bolt on its flank；In step
Rapid 2) in, two pieces of scab substrates need to be made, when carrying out step 3) time, need to by these two pieces of scab substrates respectively
Bending is pasted onto the medial surface of respective housings, forms semi-circular cylindrical structure, and is bolted two housings,
And then make the scab substrate in batch synthesis cylinder-like structure being pasted onto in two housings.
The present invention compared with prior art, has the advantage that and beneficial effect:
Existing asphalt cylinder shaping method of specimen cannot simulate the side surface configurations of cylinder test specimen,
And the manufacture method of the asphalt cylinder test specimen of the band side surface configurations degree of depth that the present invention provides, Ke Yicheng
The asphalt cylinder test specimen of type certain side surface configurations degree of depth, meets simulation experiment needs, so in examination
When part side uses the tire rotated to load, it is more nearly the friction effect of vehicle tyre and actual road surface.
Accompanying drawing explanation
Fig. 1 is the graph of relation of the construction depth x in embodiment 1 and spreading amount y.
Fig. 2 is the front view of mould described in embodiment 1.
Fig. 3 is the exploded view of mould described in embodiment 1.
Fig. 4 is the side view of mould described in embodiment 1.
Fig. 5 is the sectional view of mould described in embodiment 1.
Fig. 6 is the graph of relation of the construction depth x in embodiment 2 and spreading amount y.
Detailed description of the invention
Below in conjunction with specific embodiment, the invention will be further described.
Embodiment 1
The manufacture method of the asphalt cylinder test specimen of the band side surface configurations degree of depth described in the present embodiment, bag
Include following steps:
1) table construction depth in road is measured
Use JTG E20-2011 " highway engineering Colophonium and Asphalt Mixture Experiment code " the inside
" T0731-2000 asphalt surface texture depth test method " measures the bituminous paving of needs simulation
Road table construction depth, existing as a example by the bituminous paving of certain highway, the road table construction depth meansigma methods recorded
For 0.65mm.
2) substrate of surface scab is made
First, it is coated with cementitious matter at substrate surface, and sand examination is sprinkling upon cementitious matter surface, treat that cementitious matter solidifies
After, use JTG E20-2011 " highway engineering Colophonium and Asphalt Mixture Experiment code " the inside
The surface structure that " T0731-2000 asphalt surface texture depth test method " measures scab substrate is deep
Degree, then draws surface texture depth x (mm) and spreading amount y (kg/m2) relation curve, such as Fig. 1
Shown in, returning and obtaining relational expression is y=5.0543x1.1414, according to step 1) and the road table construction depth that records
0.65mm, utilizes relational expression to calculate actual spreading amount for 3.09kg/m2, and then the scab base needed for making
Plate.
3) after cementitious matter solidifies, scab substrate is bent and fits and be pasted onto the mould of hollow cylindrical structure
Medial surface, forms cylinder-like structure, and its scab faces interior.
4) step 3 is used) mould of band scab substrate for preparing, by compacting process, static pressure method or rotate pressure
The asphalt cylinder test specimen of the band side surface configurations degree of depth needed for real method molding.
In step 2) in, use glass-reinforced plastic material thick for 0.5-2mm (the most concrete as substrate
For 0.5mm)；Using thermosetting epoxy resin as cementitious matter, coating weight is 0.2-0.4kg/m2(in this reality
Execute and example is specially 0.2kg/m2)；Using granite or basalt Machine-made Sand, grain size specification selects
One in 0.6mm-1.18mm, 1.18mm-2.36mm, 2.36mm-4.75mm, 4.75mm-9.5mm
Or several (the most specifically using machine made granite sand, particle diameter is 0.6mm-1.18mm).
In the present embodiment, described mould uses high-carbon steel or tool steel to make, for combined hollow cylinder
Body structure, is mainly made up of half tubular shell 1,2 of the band flank of two pairings, and by its flank
Installation bolt is fixed, as shown in Figures 2 to 5, so in step 2) in, need to make two pieces of scab substrates 3,
4, when carrying out step 3) time, these two pieces of scab substrates 3,4 need to be bent respectively and be pasted onto in respective housings
Side, forms semi-circular cylindrical structure, and is bolted two housings 1,2, and then make to be pasted onto two
Scab substrate 3,4 in individual housing 1,2 is combined into cylinder-like structure.
In step 4) in, use the mould internal diameter deduction scab of compacting process molding asphalt cylinder test specimen
Being 152.4mm ± 0.2mm after substrate thickness, height is 101.5mm ± 0.3mm；Use static pressure method molding drip
Being 100mm after the mould internal diameter deduction scab substrate thickness of blue or green compound cylinder test specimen, height is 100mm；
After using the mould internal diameter deduction scab substrate thickness of gyratory compaction method molding asphalt cylinder test specimen it is
100mm or 150mm, height is 250mm；And be to use compacting process molding Colophonium to mix in the present embodiment
Close material cylinder test specimen, be 152.4mm after mould internal diameter deduction scab substrate thickness；It is highly 101.5mm.
Embodiment 2
The present embodiment is when measuring road table construction depth as different from Example 1, with certain town road
As a example by bituminous paving, the road table construction depth meansigma methods recorded is 1.03mm.At the substrate making surface scab
Time, use glass-reinforced plastic material thick for 2mm as substrate；Use thermosetting epoxy resin as cementitious matter, be coated with
Cloth amount is 0.4kg/m2；Using basalt Machine-made Sand, particle diameter is 4.75mm-9.5mm；As shown in Figure 6, originally
It is y=5.619x-0.8608 that embodiment returns the relational expression obtained, according to the road table construction depth recorded
1.03mm, utilizes relational expression to calculate actual spreading amount for 4.93kg/m2, and then the scab substrate needed for making.
Additionally, be to use gyratory compaction method molding asphalt cylinder test specimen at the present embodiment, and mould internal diameter
Being 150mm after deduction scab substrate thickness, height is 250mm.
Embodiment described above is only the preferred embodiments of the invention, not limits the enforcement model of the present invention with this
Enclose, therefore the change that all shapes according to the present invention, principle are made, all should contain within the scope of the present invention.
Claims (4)
1. the manufacture method of the asphalt cylinder test specimen of a band side surface configurations degree of depth, it is characterised in that
Comprise the following steps:
1) table construction depth in road is measured
Use JTG E20-2011 " highway engineering Colophonium and Asphalt Mixture Experiment code " the inside
" T0731-2000 asphalt surface texture depth test method " measures the bituminous paving of needs simulation
Road table construction depth；
2) substrate of surface scab is made
First, it is coated with cementitious matter at substrate surface, and sand examination is sprinkling upon cementitious matter surface, treat that cementitious matter solidifies
After, use JTG E20-2011 " highway engineering Colophonium and Asphalt Mixture Experiment code " the inside
The surface structure that " T0731-2000 asphalt surface texture depth test method " measures scab substrate is deep
Degree, then draws the relation curve of surface texture depth x and spreading amount y, returns the relational expression needed for obtaining
Y=f (x), finally according to step 1) the road table construction depth that records, utilize relational expression to calculate spreading of reality
Scab substrate needed for cloth amount, and then making；
3) after cementitious matter solidifies, scab substrate is bent and fits and be pasted onto the mould of hollow cylindrical structure
Medial surface, forms cylinder-like structure, and its scab faces interior；
4) step 3 is used) mould of band scab substrate for preparing, by compacting process, static pressure method or rotate pressure
The asphalt cylinder test specimen of the band side surface configurations degree of depth needed for real method molding.
The asphalt cylinder test specimen of a kind of band side surface configurations degree of depth the most according to claim 1
Manufacture method, it is characterised in that: in step 2) in, use glass-reinforced plastic material thick for 0.5-2mm as substrate；
Using thermosetting epoxy resin as cementitious matter, coating weight is 0.2-0.4kg/m2；Use granite or basalt
Machine-made Sand, grain size specification select 0.6mm-1.18mm, 1.18mm-2.36mm, 2.36mm-4.75mm,
One or more in 4.75mm-9.5mm.
The asphalt cylinder test specimen of a kind of band side surface configurations degree of depth the most according to claim 1
Manufacture method, it is characterised in that: in step 4) in, use compacting process molding asphalt cylinder test specimen
Mould internal diameter deduction scab substrate thickness after be 152.4mm ± 0.2mm, be highly 101.5mm ±
0.3mm；After using the mould internal diameter deduction scab substrate thickness of static pressure method molding asphalt cylinder test specimen
For 100mm, height is 100mm；Use the mould of gyratory compaction method molding asphalt cylinder test specimen
Being 100mm or 150mm after internal diameter deduction scab substrate thickness, height is 250mm.
The asphalt cylinder test specimen of a kind of band side surface configurations degree of depth the most according to claim 1
Manufacture method, it is characterised in that: described mould uses high-carbon steel or tool steel to make, for combined hollow
Cylindrical structure, is mainly made up of half tubular shell of the band flank of two pairings, and by its flank
Installation bolt is fixed；In step 2) in, two pieces of scab substrates need to be made, when carrying out step 3) time, need by
These two pieces of scab substrates bend the medial surface being pasted onto respective housings respectively, form semi-circular cylindrical structure, and lead to
Cross bolt and fix two housings, and then make the scab substrate in batch synthesis cylindrical shape knot being pasted onto in two housings
Structure.
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| CN201410289348.7A CN104075919B (en) | 2014-06-24 | 2014-06-24 | A kind of manufacture method of the asphalt cylinder test specimen of the band side surface configurations degree of depth |
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| CN201410289348.7A CN104075919B (en) | 2014-06-24 | 2014-06-24 | A kind of manufacture method of the asphalt cylinder test specimen of the band side surface configurations degree of depth |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104297035A (en) * | 2014-10-21 | 2015-01-21 | 中山市拓维电子科技有限公司 | Asphalt compaction technique |
| CN105372412B (en) * | 2015-11-22 | 2017-08-25 | 合肥工业大学 | Repair simulated test mould and shaping method of specimen in high polymer grouting road surface |
| CN106948312A (en) * | 2017-05-19 | 2017-07-14 | 彭文成 | Hydraulic asphalt concrete coring deep hole integrally loads recovery instrument and restoration methods |
| CN107356463B (en) * | 2017-08-29 | 2023-12-01 | 福州大学 | Indoor test device and method for concreting residual soil by microorganism grouting technology |
| CN109115574B (en) * | 2018-08-30 | 2021-10-01 | 长安大学 | DSR double-piece test piece preparation device and method and asphalt material damage-healing evaluation method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07239329A (en) * | 1994-02-25 | 1995-09-12 | Nikken Kk | Device for producing test sample of asphalt mixture |
| US6026692A (en) * | 1996-10-28 | 2000-02-22 | Brovold; Thomas Emil | Gyratory compaction apparatus for creating compression and shear forces in a sample material |
| CN1603780A (en) * | 2004-10-29 | 2005-04-06 | 河南省高远公路养护设备有限公司 | Bituminous mixture test piece forming machine |
| CN103344473A (en) * | 2013-07-15 | 2013-10-09 | 东南大学 | Method for molding asphalt mixture specimen for test by using rotary compaction method |
| CN203310689U (en) * | 2013-03-29 | 2013-11-27 | 华南理工大学 | Centrifugal loading testing apparatus for asphalt mixture cylinder test specimen |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7107858B2 (en) * | 2003-06-30 | 2006-09-19 | Test Quip Llc | Hot mix asphalt load simulator |
-
2014
- 2014-06-24 CN CN201410289348.7A patent/CN104075919B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07239329A (en) * | 1994-02-25 | 1995-09-12 | Nikken Kk | Device for producing test sample of asphalt mixture |
| US6026692A (en) * | 1996-10-28 | 2000-02-22 | Brovold; Thomas Emil | Gyratory compaction apparatus for creating compression and shear forces in a sample material |
| CN1603780A (en) * | 2004-10-29 | 2005-04-06 | 河南省高远公路养护设备有限公司 | Bituminous mixture test piece forming machine |
| CN203310689U (en) * | 2013-03-29 | 2013-11-27 | 华南理工大学 | Centrifugal loading testing apparatus for asphalt mixture cylinder test specimen |
| CN103344473A (en) * | 2013-07-15 | 2013-10-09 | 东南大学 | Method for molding asphalt mixture specimen for test by using rotary compaction method |
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