CN103966958A - Asphalt-mixture-based energy dissipation decelerating spike - Google Patents
Asphalt-mixture-based energy dissipation decelerating spike Download PDFInfo
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- CN103966958A CN103966958A CN201410197660.3A CN201410197660A CN103966958A CN 103966958 A CN103966958 A CN 103966958A CN 201410197660 A CN201410197660 A CN 201410197660A CN 103966958 A CN103966958 A CN 103966958A
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- Prior art keywords
- bituminous mixture
- railway spike
- spike
- asphalt
- energy dissipating
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- 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.)
- Granted
Links
- 239000000203 mixture Substances 0.000 title claims abstract description 75
- 230000021715 photosynthesis, light harvesting Effects 0.000 title abstract 3
- 239000010426 asphalt Substances 0.000 claims abstract description 24
- 239000000835 fiber Substances 0.000 claims abstract description 17
- 229920000728 polyester Polymers 0.000 claims abstract description 17
- 239000000463 material Substances 0.000 claims abstract description 14
- 235000019738 Limestone Nutrition 0.000 claims description 6
- 239000006028 limestone Substances 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 4
- 239000000428 dust Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 8
- 230000000007 visual effect Effects 0.000 abstract description 3
- 230000008018 melting Effects 0.000 abstract 1
- 238000002844 melting Methods 0.000 abstract 1
- 239000002994 raw material Substances 0.000 description 8
- 238000002360 preparation method Methods 0.000 description 7
- 238000010276 construction Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000003973 paint Substances 0.000 description 5
- JLQUFIHWVLZVTJ-UHFFFAOYSA-N carbosulfan Chemical compound CCCCN(CCCC)SN(C)C(=O)OC1=CC=CC2=C1OC(C)(C)C2 JLQUFIHWVLZVTJ-UHFFFAOYSA-N 0.000 description 4
- 238000005056 compaction Methods 0.000 description 4
- 230000006378 damage Effects 0.000 description 4
- 229910052500 inorganic mineral Inorganic materials 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 239000011707 mineral Substances 0.000 description 4
- 238000000465 moulding Methods 0.000 description 4
- 238000012216 screening Methods 0.000 description 4
- 238000005507 spraying Methods 0.000 description 4
- 239000011800 void material Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- 229910001208 Crucible steel Inorganic materials 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Landscapes
- Road Paving Structures (AREA)
Abstract
The invention discloses an asphalt-mixture-based energy dissipation decelerating spike. The bottom face of the spike is of a circle with the diameter ranging from 100 mm to 150 mm and the height ranging 20 mm to 40 mm, the upper surface of the spike is of an arc shape. The asphalt-aggregate ratio of the asphalt mixture ranges from 5% to 7%, wherein the components of the asphalt mixture are 0.3 wt% to 0.5 wt% of polyester fibers and 6 wt% to 12 wt% of polyester fibers. The asphalt is one of modified asphalt such as SBS, SBR, EVA and PE. The polyester fibers are of the diameter ranging from 15 micrometers to 50 micrometers and the length ranging from 6 mm to 9 mm, the tensile strength is larger than 500 Mpa, and the melting point is larger than 250 DEG C. According to the asphalt mixture energy dissipation decelerating spike, the materials will not affect the roadability; practices show that the strength of vehicle safe parts can not be affected due to the fact that the asphalt mixture used for the decelerating spike has a certain plasticity and flexibility, the displayed visual effect is predominant, and the compulsive speed control effect is remarkable.
Description
Technical field
The invention belongs to material technology field, relate to a kind of material technology of means of transportation, be specifically related to a kind of bituminous mixture base energy dissipating deceleration railway spike.
Background technology
Along with the increase of the vehicles and the quickening of modern people's rhythm of life, traffic safety problem is more and more serious, therefore in order effectively to control road speed, reduce road accident rate, some forced deceleration facilities usually need to be installed on road surface and reach the object that limits road speed.
Conventional forced deceleration facility is mainly deceleration strip and vibrations graticule at present, and wherein deceleration strip comprises cast steel deceleration strip and speed-reducing rubber band.The control effect of these two kinds of deceleration strips is obvious, but also there is certain problem, such as cast steel deceleration strip use cost is high, and long-time use can be pressed into road surface, deceleration effect weakens, speed-reducing rubber band not only durability is not strong, and the steel nail carrying over after destroying can cause damage to vehicle tyre.Vibrations graticule more remarkable to the control effect of dilly, but for cart particularly high capacity waggon substantially there is no effect.Except above-mentioned two kinds of modal deceleration measures, the deceleration railway spike material of speedway also has concrete, epoxy resin at present.Concrete deceleration railway spike has the features such as intensity is high, not yielding, but the pliability of concrete railway spike is poor, larger to the destruction on driving tire and road surface; Epoxy resin-matrix railway spike pliability is better, but non-refractory, 50 DEG C of left and right just start softening transform, but noon in summer, expressway surface temperature can reach more than 60 DEG C, and epoxy resin-matrix railway spike is meeting gross distortion under the rolling of vehicle, loses decelerating effect.Therefore, design one and can either make dolly run at a low speed, the forced deceleration facility that also can allow cart low gear low speed pass through is very necessary.
Summary of the invention
The object of the invention is to relate to a kind of durable in use, and road pavement and driving threaten deceleration railway spike little and that energy dissipating is slowed down effective to various vehicles and preparation method thereof.Its production and construction technique is simple, cheap, is easy to change, and can be widely used in the middle of common road and high-grade highway.
To achieve these goals, the technical solution used in the present invention is as follows:
A kind of bituminous mixture base energy dissipating deceleration railway spike, its bottom surface is the circle of diameter 100-150mm, high 20-40mm, it is circular-arc that upper surface is;
The bitumen aggregate ratio of described bituminous mixture is 5%～7%, wherein polyester fiber accounts for 0.3～0.5wt%, breeze accounts for 6～12wt%, and the maximum particle diameter of described bituminous mixture aggregate is 9.5mm, mass percents at different levels are: particle diameter is less than the 0-15% that accounts for of 0.075mm, between 0.075-0.15mm, account for 1-6%, between 0.15-0.3mm, account for 2-9%, between 0.3-0.6mm, account for 3-13%, between 0.6-1.18mm, account for 4-18%, between 1.18-2.36mm, account for 3-33%, between 2.36-4.75mm, account for 25-75%, between 4.75-9.5mm, account for 0-10%.
Press such scheme, the pitch that described bituminous mixture adopts is the one in SBS, SBR, EVA, PE modified bitumen class.
Press such scheme, the diameter of described polyester fiber is 15-50um, and length is 6-9mm, and tensile strength is greater than 500Mpa, and fusing point is greater than 250 DEG C.
Press such scheme, described breeze is limestone dust, can be by the sieve aperture of 0.075mm.
Press such scheme, the coarse aggregate in described bituminous mixture is the one in basalt or diabase.
Press such scheme, the fine aggregate in described bituminous mixture is limestone aggregate chips.
Press such scheme, described railway spike upper surface is coated with reflectorized material.
Installation of the present invention does not need boring, directly adopts high-performance adhesive to bond.Road surface, location for paste should be dried, cleaning, without silt, water, grease, dirt.And with compressed air blow off (cleaning down with acetone again) larger recess can with railway spike glue repair smooth.
Compared with prior art, the present invention has following major advantage:
Bituminous mixture base energy dissipating deceleration railway spike provided by the present invention, it is strong that driver not only vibrates sense, proves that its visual effect presenting is outstanding in practice, and forced controlling speed effect is remarkable.
Bituminous mixture base energy dissipating deceleration railway spike provided by the present invention not only can not affect vehicle run stability, and deceleration railway spike material used is that bituminous mixture has certain shaping and pliability, can not affect the intensity of vehicle safety parts.
Not only intensity is high for the bituminous mixture that bituminous mixture base energy dissipating deceleration railway spike provided by the present invention adopts, and resistance to elevated temperatures is good, and long service life.
The preparation method of bituminous mixture base energy dissipating deceleration railway spike provided by the present invention is simple, with low cost, is easy to install and changes, and can road pavement not damage.
Detailed description of the invention
For a better understanding of the present invention, further illustrate content of the present invention below in conjunction with example, but content of the present invention is not limited only to example below.
Bituminous mixture base energy dissipating deceleration railway spike of the present invention, its bottom surface is the circle of diameter 100-150mm, high 20-40mm, it is circular-arc that upper surface is.The bitumen aggregate ratio of bituminous mixture is 5%～7%, and wherein polyester fiber accounts for 0.3～0.5wt%, and breeze accounts for 6～12wt%, determines that grading limit is as shown in the table.
The present invention's railway spike material used that slows down is that bituminous mixture has certain shaping and pliability, can not affect the intensity of vehicle safety parts.In practice, prove, it is strong that driver not only vibrates sense, and visual effect is outstanding, and forced controlling speed effect is remarkable.Preparation process is simple, with low cost, is easy to install and changes, and can road pavement not damage.
The pitch that bituminous mixture adopts is the one in SBS, SBR, EVA, PE modified bitumen class.
The diameter of polyester fiber used is 15-50um, and length is 6-9mm, and tensile strength is greater than 500Mpa, and fusing point is greater than 250 DEG C.
Breeze used is limestone dust, can be by the sieve aperture of 0.075mm.
Coarse aggregate in bituminous mixture used is the one in basalt or diabase.
Fine aggregate in bituminous mixture used is limestone aggregate chips.
Described railway spike upper surface is coated with reflectorized material.Can be that hot melt graticule material can be also reflectorised paint.
Embodiment 1
Bituminous mixture base energy dissipating deceleration railway spike and being formed by following raw material:
Pitch 62kg, (comprising coarse aggregate and the fine aggregate) 890kg that gathers materials, polyester fiber 3.717kg, breeze 110kg.Its medium pitch is SBS modified bitumen, and coarse aggregate is basalt, and table 1 is the screening grating computational chart of mineral aggregate.
Table 1
The preparation process of bituminous mixture base energy dissipating deceleration railway spike is as follows:
The order of above-mentioned load weighted each raw material being pressed to coarse aggregate → fine aggregate → polyester fiber → pitch → breeze is reinforced, then carries out mix according to " Asphalt Pavement Construction Technique specification ", obtains described bituminous mixture.
By above-mentioned bituminous mixture, then make marshal piece according to JTG E20-2011 " highway asphalt and bituminous mixture Experimental Standardization ", two-sided respectively hitting real 50 times, compaction temperature is 155 DEG C, recording above-mentioned bituminous mixture Marshall experimental performance void content is 3.7%, Marshall stability is 13.7kN, and flow valuve is 37.5mm, and pitch saturation ratio is 78.0%.
By the moulding in grinding tool of above-mentioned bituminous mixture, two-sided respectively hitting real 25 times.
By the deceleration railway spike spraying reflectorised paint after the above-mentioned demoulding, put into constant temperature (20 DEG C) environment maintenance 24 hours, obtaining 1d compressive strength is 43.2MPa, fracture toughness is 2200J/m
2bituminous mixture base energy dissipating deceleration railway spike.
Embodiment 2
Bituminous mixture base energy dissipating deceleration railway spike and being formed by following raw material:
Pitch 67kg, (comprising coarse aggregate and the fine aggregate) 880kg that gathers materials, polyester fiber 4.268kg, breeze 120kg.Its medium pitch is SBS modified bitumen, and coarse aggregate is basalt, and table 2 is screening grating computational charts of mineral aggregate.
Table 2
The preparation process of bituminous mixture base energy dissipating deceleration railway spike is as follows:
The reinforced mix of order of above-mentioned load weighted each raw material being pressed to coarse aggregate → fine aggregate → polyester fiber → pitch → breeze, then carries out mix according to " Asphalt Pavement Construction Technique specification ", obtains described bituminous mixture.
By above-mentioned bituminous mixture, then make marshal piece according to JTG E20-2011 " highway asphalt and bituminous mixture Experimental Standardization ", two-sided respectively hitting real 50 times, compaction temperature is 155 DEG C, recording above-mentioned bituminous mixture Marshall experimental performance void content is 3.2%, Marshall stability is 14.8kN, and flow valuve is 48.7mm, and pitch saturation ratio is 84.0%.
By the moulding in grinding tool of above-mentioned bituminous mixture, two-sided respectively hitting real 25 times.
By the deceleration railway spike spraying reflectorised paint after the above-mentioned demoulding, put into constant temperature (20 DEG C) environment maintenance 24 hours, obtaining 1d compressive strength is 42.7MPa, fracture toughness is 2100J/m
2bituminous mixture base energy dissipating deceleration railway spike.
Embodiment 3
Bituminous mixture base energy dissipating deceleration railway spike and being formed by following raw material:
Pitch 65kg, (comprising coarse aggregate and the fine aggregate) 900kg that gathers materials, polyester fiber 4.047kg, breeze 100kg.Its medium pitch is SBR modified bitumen, and coarse aggregate is diabase, and table 3 is screening grating computational charts of mineral aggregate.
Table 3
The preparation process of bituminous mixture base energy dissipating deceleration railway spike is as follows:
The order of above-mentioned load weighted each raw material being pressed to coarse aggregate → fine aggregate → polyester fiber → pitch → breeze is reinforced, then carries out mix according to " Asphalt Pavement Construction Technique specification ", obtains described bituminous mixture.
By above-mentioned bituminous mixture, then make marshal piece according to JTG E20-2011 " highway asphalt and bituminous mixture Experimental Standardization ", two-sided respectively hitting real 50 times, compaction temperature is 155 DEG C, recording above-mentioned bituminous mixture Marshall experimental performance void content is 3.4%, Marshall stability is 14.6kN, and flow valuve is 43.2mm, and pitch saturation ratio is 80.0%.
By the moulding in grinding tool of above-mentioned bituminous mixture, two-sided respectively hitting real 25 times.
By the deceleration railway spike spraying reflectorised paint after the above-mentioned demoulding, put into constant temperature (20 DEG C) environment maintenance 24 hours, obtaining 1d compressive strength is 41.4MPa, fracture toughness is 2140J/m
2bituminous mixture base energy dissipating deceleration railway spike.
Embodiment 4
Bituminous mixture base energy dissipating deceleration railway spike and being formed by following raw material:
Pitch 58kg, (comprising coarse aggregate and the fine aggregate) 910kg that gathers materials, polyester fiber 4.232kg, breeze 90kg.Its medium pitch is SBR modified bitumen, and coarse aggregate is basalt, and table 4 is screening grating computational charts of mineral aggregate.
Table 4
The preparation process of bituminous mixture base energy dissipating deceleration railway spike is as follows:
The order of above-mentioned load weighted each raw material being pressed to coarse aggregate → fine aggregate → polyester fiber → pitch → breeze is reinforced, then carries out mix according to " Asphalt Pavement Construction Technique specification ", obtains described bituminous mixture.
By above-mentioned bituminous mixture, then make marshal piece according to " JTG E20-2011 highway asphalt and bituminous mixture Experimental Standardization ", two-sided respectively hitting real 50 times, compaction temperature is 155 DEG C, recording above-mentioned bituminous mixture Marshall experimental performance void content is 3.8%, Marshall stability is 12.8kN, and flow valuve is 30.3mm, and pitch saturation ratio is 76.4%.
By the moulding in grinding tool of above-mentioned bituminous mixture, two-sided respectively hitting real 25 times.
By the deceleration railway spike spraying reflectorised paint after the above-mentioned demoulding, put into constant temperature (20 DEG C) environment maintenance 24 hours, obtaining 1d compressive strength is 40.2MPa, fracture toughness is 2000J/m
2bituminous mixture base energy dissipating deceleration railway spike.
Claims (7)
1. a bituminous mixture base energy dissipating deceleration railway spike, is characterized in that bottom surface is the circle of diameter 100-150mm, high 20-40mm, and it is circular-arc that upper surface is;
The bitumen aggregate ratio of described bituminous mixture is 5%～7%, wherein polyester fiber accounts for 0.3～0.5wt%, breeze accounts for 6～12wt%, and the maximum particle diameter of described bituminous mixture aggregate is 9.5mm, mass percents at different levels are: particle diameter is less than the 0-15% that accounts for of 0.075mm, between 0.075-0.15mm, account for 1-6%, between 0.15-0.3mm, account for 2-9%, between 0.3-0.6mm, account for 3-13%, between 0.6-1.18mm, account for 4-18%, between 1.18-2.36mm, account for 3-33%, between 2.36-4.75mm, account for 25-75%, between 4.75-9.5mm, account for 0-10%.
2. bituminous mixture base energy dissipating deceleration railway spike as claimed in claim 1, is characterized in that the pitch that described bituminous mixture adopts is the one in SBS, SBR, EVA, PE modified bitumen class.
3. bituminous mixture base energy dissipating deceleration railway spike as claimed in claim 1, is characterized in that the diameter of described polyester fiber is 15-50um, and length is 6-9mm, and tensile strength is greater than 500Mpa, and fusing point is greater than 250 DEG C.
4. bituminous mixture base energy dissipating deceleration railway spike as claimed in claim 1, is characterized in that described breeze is limestone dust, can be by the sieve aperture of 0.075mm.
5. bituminous mixture base energy dissipating deceleration railway spike as claimed in claim 1, is characterized in that the coarse aggregate in described bituminous mixture is the one in basalt or diabase.
6. bituminous mixture base energy dissipating deceleration railway spike as claimed in claim 1, is characterized in that the fine aggregate in described bituminous mixture is limestone aggregate chips.
7. bituminous mixture base energy dissipating deceleration railway spike as claimed in claim 1, is characterized in that described railway spike upper surface is coated with reflectorized material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410197660.3A CN103966958B (en) | 2014-05-12 | 2014-05-12 | A kind of asphalt base energy dissipating deceleration railway spike |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410197660.3A CN103966958B (en) | 2014-05-12 | 2014-05-12 | A kind of asphalt base energy dissipating deceleration railway spike |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103966958A true CN103966958A (en) | 2014-08-06 |
| CN103966958B CN103966958B (en) | 2016-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410197660.3A Expired - Fee Related CN103966958B (en) | 2014-05-12 | 2014-05-12 | A kind of asphalt base energy dissipating deceleration railway spike |
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| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105293997A (en) * | 2015-12-04 | 2016-02-03 | 武汉理工大学 | Asphalt concrete deceleration strip material as well as preparation method and construction technology thereof |
| CN113772997A (en) * | 2021-08-05 | 2021-12-10 | 山东高速工程建设集团有限公司 | Asphalt concrete and construction method of asphalt concrete pavement |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2398328Y (en) * | 1999-12-23 | 2000-09-27 | 徐州天能橡胶粉有限公司 | Safety bumper |
| CN2446155Y (en) * | 2000-09-29 | 2001-09-05 | 柳永萍 | Rubber speed reducing ridge |
| CN2522463Y (en) * | 2001-12-28 | 2002-11-27 | 上海田源交通设施有限公司 | Hard elastomer speed-reducing plate |
| CN2556256Y (en) * | 2002-07-18 | 2003-06-18 | 叶宗贤 | Multi-arch road speed-reducing pad |
| US20110081201A1 (en) * | 2009-10-02 | 2011-04-07 | Scott Croce | Reflective roadway warning system indicating incorrect vehicular travel direction |
| CN203113237U (en) * | 2012-12-24 | 2013-08-07 | 陆洪兴 | Self-adhesion plastic deceleration strip |
| CN203129039U (en) * | 2012-12-28 | 2013-08-14 | 付维锴 | Speed bump with adjustable width |
-
2014
- 2014-05-12 CN CN201410197660.3A patent/CN103966958B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2398328Y (en) * | 1999-12-23 | 2000-09-27 | 徐州天能橡胶粉有限公司 | Safety bumper |
| CN2446155Y (en) * | 2000-09-29 | 2001-09-05 | 柳永萍 | Rubber speed reducing ridge |
| CN2522463Y (en) * | 2001-12-28 | 2002-11-27 | 上海田源交通设施有限公司 | Hard elastomer speed-reducing plate |
| CN2556256Y (en) * | 2002-07-18 | 2003-06-18 | 叶宗贤 | Multi-arch road speed-reducing pad |
| US20110081201A1 (en) * | 2009-10-02 | 2011-04-07 | Scott Croce | Reflective roadway warning system indicating incorrect vehicular travel direction |
| CN203113237U (en) * | 2012-12-24 | 2013-08-07 | 陆洪兴 | Self-adhesion plastic deceleration strip |
| CN203129039U (en) * | 2012-12-28 | 2013-08-14 | 付维锴 | Speed bump with adjustable width |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105293997A (en) * | 2015-12-04 | 2016-02-03 | 武汉理工大学 | Asphalt concrete deceleration strip material as well as preparation method and construction technology thereof |
| CN113772997A (en) * | 2021-08-05 | 2021-12-10 | 山东高速工程建设集团有限公司 | Asphalt concrete and construction method of asphalt concrete pavement |
| CN113772997B (en) * | 2021-08-05 | 2022-07-15 | 山东高速工程建设集团有限公司 | Asphalt concrete and construction method of asphalt concrete pavement |
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| Publication number | Publication date |
|---|---|
| CN103966958B (en) | 2016-06-01 |
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Granted publication date: 20160601 |