CN106835882A - A kind of Crack of Cement-Stabilized Macadam Base control method - Google Patents
A kind of Crack of Cement-Stabilized Macadam Base control method Download PDFInfo
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- CN106835882A CN106835882A CN201710152494.9A CN201710152494A CN106835882A CN 106835882 A CN106835882 A CN 106835882A CN 201710152494 A CN201710152494 A CN 201710152494A CN 106835882 A CN106835882 A CN 106835882A
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- China
- Prior art keywords
- cement
- butadiene
- styrene latex
- stabilized macadam
- crack
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C3/00—Foundations for pavings
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Structures (AREA)
Abstract
The invention discloses a kind of Crack of Cement-Stabilized Macadam Base control method, including：Step one, butadiene-styrene latex ball is prepared using butadiene-styrene latex, butadiene-styrene latex ball is by the spheroid of some line style connecting portions inner hollow being formed by connecting interlaced with each other, a diameter of 0.6 1mm in linearly connected portion, a diameter of 2 3cm of butadiene-styrene latex ball；Step 2, butadiene-styrene latex ball is added into cement stabilized macadam, butadiene-styrene latex ball is 0.004 0.006 with the mass ratio of cement stabilized macadam:1, add water and gather materials, uniform mixing, so as to prepare Cement Stable Macadam Mixture；Step 3, Cement Stable Macadam Mixture paved and rolled again, formed basic unit；Step 4, the basic unit that step 3 is obtained is conserved.By adding butadiene-styrene latex ball in cement stabilized macadam, the basic unit being finally made can show good packing, cohesive force and bulk strength to the present invention, so as to reduce the generation in crack.
Description
Technical field
The present invention relates to a kind of Crack of Cement-Stabilized Macadam Base control method.
Background technology
Cement stabilized macadam base has that early strength is high, globality strong, anti-ice freezing stability is good, scour resistance is good,
The advantages of fatigue-resistance characteristics are good, construction quality is easily controllable, can bear bigger Vehicle Load, be adapted to heavy traffic
Demand, therefore the extensive use in China Higher level road base layer.
But the most outstanding problem that cement stabilized macadam base is present is poor crack resistance, its material has certain crisp
Property, it is stronger to temperature, moisture sensitivity, in actual application, easily shunk under the alternating change of temperature and humidity and produced
Crack.Under vehicular load and the such environmental effects of mechanical periodicity repeatedly, the crack tip meeting of cement stabilized macadam base
Larger stress concentration is produced, basic crack is in turn resulted in and is reflected along surface layer bottom up, form reflection crack.Reflection crack
Appear as surface water and provide passage into road surface structare layer, face is trapped in because the surface water for entering cannot be discharged in time
Between layer and basic unit, the flowing pressure produced under the repeated action of vehicular load washes away basic unit, causes base material to come off pine
Dissipate；Basic unit declines with the cohesive force of surface layer simultaneously, and the reduction of road surface structare layer bearing capacity ultimately results in road surface structare layer globality
Damage.
The content of the invention
For above-mentioned technical problem, the present invention has designed and developed one kind and can be effectively reduced Crack of Cement-Stabilized Macadam Base
The Crack of Cement-Stabilized Macadam Base control method of generation.
The present invention provide technical scheme be：
A kind of Crack of Cement-Stabilized Macadam Base control method, including：
Step one, butadiene-styrene latex ball is prepared using butadiene-styrene latex, the butadiene-styrene latex ball be by some line style connecting portions that
The spheroid of this inner hollow being cross-linked, a diameter of 0.6-1mm in the linearly connected portion, the butadiene-styrene latex ball
A diameter of 2-3cm；
Step 2, butadiene-styrene latex ball is added into cement stabilized macadam, the matter of butadiene-styrene latex ball and cement stabilized macadam
Amount is than being 0.004-0.006:1, add water and gather materials, uniform mixing, so as to prepare Cement Stable Macadam Mixture；
Step 3, Cement Stable Macadam Mixture paved and rolled again, formed basic unit；
Step 4, the basic unit that step 3 is obtained is conserved.
Preferably, in described Crack of Cement-Stabilized Macadam Base control method, in the step 2, butadiene-styrene latex ball
It is 0.004 with the mass ratio of cement stabilized macadam:1.
Preferably, in described Crack of Cement-Stabilized Macadam Base control method, in the step 3, in paving process
In, paved using paver, the substrate portion of the completion that paves is rolled using roller, spreading speed at the uniform velocity,
And spreading speed is 0.5-0.8m/min, the distance between roller to paver is 0.8-1m, rolling speed and spreading speed
Unanimously.
Preferably, in described Crack of Cement-Stabilized Macadam Base control method, in the step 3, spreading speed is
The distance between 0.8m/min, roller to paver are 1m.
Preferably, in described Crack of Cement-Stabilized Macadam Base control method, in the step 4, to step 3
When the basic unit for obtaining is conserved, first geotextiles are covered in basic unit, cover 30min, sprinkled water afterwards, every 1h waterings one
It is secondary, continue 10 days.
Preferably, in described Crack of Cement-Stabilized Macadam Base control method, the butadiene-styrene latex ball it is a diameter of
2-2.5cm。
Crack of Cement-Stabilized Macadam Base control method of the present invention in cement stabilized macadam by adding butylbenzene
Latex balloon, the basic unit being finally made can show good packing, cohesive force and bulk strength, so as to reduce crack
Produce.
Brief description of the drawings
Fig. 1 is the structural representation of butadiene-styrene latex ball of the present invention.
Specific embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings, to make those skilled in the art with reference to specification text
Word can be implemented according to this.
As shown in figure 1, the present invention provides a kind of Crack of Cement-Stabilized Macadam Base control method, including：
Step one, butadiene-styrene latex ball is prepared using butadiene-styrene latex, the butadiene-styrene latex ball be by some line style connecting portions 2 that
The spheroid 1 of this inner hollow being cross-linked, a diameter of 0.6-1mm in the linearly connected portion, the butadiene-styrene latex ball
A diameter of 2-3cm；
Step 2, butadiene-styrene latex ball is added into cement stabilized macadam, the matter of butadiene-styrene latex ball and cement stabilized macadam
Amount is than being 0.004-0.006:1, add water and gather materials, uniform mixing, so as to prepare Cement Stable Macadam Mixture；
Step 3, Cement Stable Macadam Mixture paved and rolled again, formed basic unit；
Step 4, the basic unit that step 3 is obtained is conserved.
The present invention is prepared for butadiene-styrene latex ball using butadiene-styrene latex, and butadiene-styrene latex ball is really by many bar line style connecting portions
The hollow sphere being cross-linked, is added in cement stabilized macadam when by butadiene-styrene latex ball, and cement stabilized macadam can be full of fourth
The inner space of Atrolactamide ball, and it is wrapped in the outside of butadiene-styrene latex ball.Butadiene-styrene latex ball can improve cement stabilized macadam base
The cohesive force of layer, suppresses the generation in crack.
Butadiene-styrene latex ball can have the hollow sphere ball on complete surface by by forming one on a spherical die, so
Cutting surfaces again, form it into a hollow sphere for hollow out afterwards.
Preferably, in described Crack of Cement-Stabilized Macadam Base control method, in the step 2, butadiene-styrene latex ball
It is 0.004 with the mass ratio of cement stabilized macadam:1.
In order to improve the conjugation of butadiene-styrene latex ball and cement stabilized macadam, technique of the present invention also to paving and rolling
Improved.Preferably, in described Crack of Cement-Stabilized Macadam Base control method, in the step 3, paving
During, paved using paver, the substrate portion of the completion that paves is rolled using roller, spreading speed is even
Speed, and spreading speed is 0.5-0.8m/min, the distance between roller to paver is 0.8-1m, rolling speed and the speed that paves
Degree is consistent.
Gap between roller and paver, when just determining exposure of the same region between paving and rolling
Between, the length of the open-assembly time ensure that butadiene-styrene latex ball can be adequately bonded with cement stabilized macadam.
Preferably, in described Crack of Cement-Stabilized Macadam Base control method, in the step 3, spreading speed is
The distance between 0.8m/min, roller to paver are 1m.
In order to improve the conjugation of butadiene-styrene latex ball and cement stabilized macadam, technique of the present invention also to conserving is changed
Enter.Preferably, in described Crack of Cement-Stabilized Macadam Base control method, in the step 4, obtained to step 3
Basic unit when being conserved, first geotextiles are covered in basic unit, cover 30min, sprinkle water afterwards, every 1h waterings once, hold
It is continuous 10 days.
Preferably, in described Crack of Cement-Stabilized Macadam Base control method, the butadiene-styrene latex ball it is a diameter of
2-2.5cm。
Embodiment one
A kind of Crack of Cement-Stabilized Macadam Base control method, including：
Step one, butadiene-styrene latex ball is prepared using butadiene-styrene latex, the butadiene-styrene latex ball be by some line style connecting portions that
The spheroid of this inner hollow being cross-linked, a diameter of 0.6-1mm in the linearly connected portion, the butadiene-styrene latex ball
A diameter of 2-2.5cm；
Step 2, butadiene-styrene latex ball is added into cement stabilized macadam, the matter of butadiene-styrene latex ball and cement stabilized macadam
Amount is than being 0.004-:1, add water and gather materials, uniform mixing, so as to prepare Cement Stable Macadam Mixture；
Step 3, Cement Stable Macadam Mixture paved and rolled again, formed basic unit；In paving process, adopt
Paved with paver, the substrate portion of the completion that paves is rolled using roller, spreading speed is paved at the uniform velocity
Speed is 0.8m/min, and the distance between roller to paver is 1m, and rolling speed is consistent with spreading speed；
Step 4, the basic unit that step 3 is obtained is conserved；When being conserved to the basic unit that step 3 is obtained, first will
Geotextiles are covered in basic unit, cover 30min, are sprinkled water afterwards, every 1h waterings once, continue 10 days.
Embodiment two
A kind of Crack of Cement-Stabilized Macadam Base control method, including：
Step one, butadiene-styrene latex ball is prepared using butadiene-styrene latex, the butadiene-styrene latex ball be by some line style connecting portions that
The spheroid of this inner hollow being cross-linked, a diameter of 0.6-1mm in the linearly connected portion, the butadiene-styrene latex ball
A diameter of 2.5-3cm；
Step 2, butadiene-styrene latex ball is added into cement stabilized macadam, the matter of butadiene-styrene latex ball and cement stabilized macadam
Amount is than being 0.006:1, add water and gather materials, uniform mixing, so as to prepare Cement Stable Macadam Mixture；
Step 3, Cement Stable Macadam Mixture paved and rolled again, formed basic unit；In paving process, adopt
Paved with paver, the substrate portion of the completion that paves is rolled using roller, spreading speed is paved at the uniform velocity
Speed is 0.5m/min, and the distance between roller to paver is 0.8m, and rolling speed is consistent with spreading speed；
Step 4, the basic unit that step 3 is obtained is conserved；When being conserved to the basic unit that step 3 is obtained, first will
Geotextiles are covered in basic unit, cover 30min, are sprinkled water afterwards, every 1h waterings once, continue 10 days.
Embodiment three
A kind of Crack of Cement-Stabilized Macadam Base control method, including：
Step one, butadiene-styrene latex ball is prepared using butadiene-styrene latex, the butadiene-styrene latex ball be by some line style connecting portions that
The spheroid of this inner hollow being cross-linked, a diameter of 0.6-1mm in the linearly connected portion, the butadiene-styrene latex ball
A diameter of 2-3cm；
Step 2, butadiene-styrene latex ball is added into cement stabilized macadam, the matter of butadiene-styrene latex ball and cement stabilized macadam
Amount is than being 0.006:1, add water and gather materials, uniform mixing, so as to prepare Cement Stable Macadam Mixture；
Step 3, Cement Stable Macadam Mixture paved and rolled again, formed basic unit；In paving process, adopt
Paved with paver, the substrate portion of the completion that paves is rolled using roller, spreading speed is paved at the uniform velocity
Speed is 0.8m/min, and the distance between roller to paver is 1m, and rolling speed is consistent with spreading speed；
Step 4, the basic unit that step 3 is obtained is conserved；When being conserved to the basic unit that step 3 is obtained, first will
Geotextiles are covered in basic unit, cover 30min, are sprinkled water afterwards, every 1h waterings once, continue 10 days.
The cement stabilized macadam test specimen that embodiment one to embodiment three prepares is respectively adopted and uses 150mm × 150mm
Hydrostatic profile cylinder specimen, test specimen compaction Control is 98%.Test specimen is through 7d, 14d, 28d Standard Curing, last day leaching
Water.The unconfined compressive strength of test specimen is measured successively.
Embodiment one to embodiment three is carried respectively relative to the unconfined compressive strength of the test specimen without butadiene-styrene latex ball
It is high by 15.2%, 16.0% and 16.2%.
Although embodiment of the present invention is disclosed as above, it is not restricted to listed in specification and implementation method
With, it can be applied to various suitable the field of the invention completely, for those skilled in the art, can be easily
Other modification is realized, therefore under the universal limited without departing substantially from claim and equivalency range, the present invention is not limited
In specific details and shown here as the legend with description.
Claims (6)
1. a kind of Crack of Cement-Stabilized Macadam Base control method, it is characterised in that including：
Step one, butadiene-styrene latex ball is prepared using butadiene-styrene latex, the butadiene-styrene latex ball is to be handed over each other by some line style connecting portions
The spheroid of the inner hollow that mistake is formed by connecting, a diameter of 0.6-1mm in the linearly connected portion, the diameter of the butadiene-styrene latex ball
It is 2-3cm；
Step 2, butadiene-styrene latex ball is added into cement stabilized macadam, the mass ratio of butadiene-styrene latex ball and cement stabilized macadam
It is 0.004-0.006:1, add water and gather materials, uniform mixing, so as to prepare Cement Stable Macadam Mixture；
Step 3, Cement Stable Macadam Mixture paved and rolled again, formed basic unit；
Step 4, the basic unit that step 3 is obtained is conserved.
2. Crack of Cement-Stabilized Macadam Base control method as claimed in claim 1, it is characterised in that in the step 2,
Butadiene-styrene latex ball is 0.004 with the mass ratio of cement stabilized macadam:1.
3. Crack of Cement-Stabilized Macadam Base control method as claimed in claim 1, it is characterised in that in the step 3,
In paving process, paved using paver, the substrate portion of the completion that paves is rolled using roller, paved speed
Spend at the uniform velocity, and spreading speed is 0.5-0.8m/min, the distance between roller to paver is 0.8-1m, rolling speed and
Spreading speed is consistent.
4. Crack of Cement-Stabilized Macadam Base control method as claimed in claim 3, it is characterised in that in the step 3,
Spreading speed is 0.8m/min, and the distance between roller to paver is 1m.
5. Crack of Cement-Stabilized Macadam Base control method as claimed in claim 4, it is characterised in that in the step 4,
When being conserved to the basic unit that step 3 is obtained, first geotextiles are covered in basic unit, cover 30min, sprinkled water afterwards, every
1h sprinkles water once, continues 10 days.
6. Crack of Cement-Stabilized Macadam Base control method as claimed in claim 1, it is characterised in that the butadiene-styrene latex ball
A diameter of 2-2.5cm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710152494.9A CN106835882B (en) | 2017-03-15 | 2017-03-15 | A kind of Crack of Cement-Stabilized Macadam Base control method |
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| CN201710152494.9A CN106835882B (en) | 2017-03-15 | 2017-03-15 | A kind of Crack of Cement-Stabilized Macadam Base control method |
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| CN106835882B CN106835882B (en) | 2019-07-23 |
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|---|---|---|---|---|
| DE2610950A1 (en) * | 1976-03-16 | 1977-10-06 | Goldschmidt Ag Th | Plastic road surface coating - consists of brittle hollow mouldings set on reaction plastics base |
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|---|---|---|---|---|
| DE2610950A1 (en) * | 1976-03-16 | 1977-10-06 | Goldschmidt Ag Th | Plastic road surface coating - consists of brittle hollow mouldings set on reaction plastics base |
| JPH1087846A (en) * | 1996-09-18 | 1998-04-07 | Fukae Kogyo Kk | Rubber composition, composition utilizing waste golf ball, and its production |
| CA2385819A1 (en) * | 2001-11-16 | 2003-05-16 | Deltalok Inc. | Sub-base drainage device |
| JP2005282128A (en) * | 2004-03-30 | 2005-10-13 | Toyo Sports Shisetsu Kk | Resin pavement and method for finishing surface of resin pavement |
| CN102224297A (en) * | 2008-11-27 | 2011-10-19 | Sika技术股份公司 | Lane seal and method for the manufacture thereof |
| JP5290464B1 (en) * | 2012-12-28 | 2013-09-18 | 株式会社極東体育施設 | Artificial turf filling and artificial turf using the same |
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| CN106835882B (en) | 2019-07-23 |
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Effective date of registration: 20201204 Address after: 100011, Beijing, Dongcheng District anding street, No. 88, No. 801 Patentee after: CCCC THIRD HIGHWAY ENGINEERING Co.,Ltd. Patentee after: THE THIRD ENGINEERING CO., LTD. OF THE CCCC THIRD HIGHWAY ENGINEERING Co.,Ltd. Address before: 100011, Beijing, Dongcheng District anding street, No. 88, No. 801 Patentee before: CCCC THIRD HIGHWAY ENGINEERING Co.,Ltd. |
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