CN101792997B - Mixed type plastic track construction method - Google Patents
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- CN101792997B CN101792997B CN2010101361795A CN201010136179A CN101792997B CN 101792997 B CN101792997 B CN 101792997B CN 2010101361795 A CN2010101361795 A CN 2010101361795A CN 201010136179 A CN201010136179 A CN 201010136179A CN 101792997 B CN101792997 B CN 101792997B
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Abstract
The invention discloses a mixed type plastic track construction method which can effectively improve the cohesive property of a plastic surface course and an asphalt concrete base layer, so that the layer separation phenomenon on the plastic coat can be avoided. The mixed type plastic track construction method is characterized by comprising the following steps of: coating mixed aggregate on the surface of the asphalt concrete base layer, paving plastic sizing agent on the binding layer formed after the mixed aggregate is fully dried to form the plastic surface course, and then spraying colloidal particles on the plastic surface course being not fully cured. The mixed aggregate is formed by mixing the following materials in parts by weight: 3 to 4 parts of quartz sand or colloidal particle and 6 to 7 parts of plastic aggregate, and the weight percentage of the water in the mixed aggregate no more than 0.1%. The experiment proved that because the mixed aggregate has good compatibility with the asphalt concrete base layer and good cohesive property with the plastic surface course at the same time, the binding surface is permeated and moistened, the cohesive property of the plastic surface course and the asphalt concrete base layer can be improved, and the layer separation phenomenon on the plastic surface course can be avoided.
Description
Technical field
The present invention relates to mixed type plastic track construction method.
Background technology
Plastic cement race track is divided into polytypes such as precasting plastic cement race track, full-plastic plastic cement race track, vapor-permeable type plastic cement race track and mixed type plastic track again.Dissimilar plastic cement race tracks is distinct on job practices.Wherein, mixed type plastic track is widely used in the sports ground of each universities and colleges, middle and primary schools, kindergarten with the higher characteristics of its cost performance, the indoor and outdoor exercises place in amusement, leisure place and public building passage etc.
The job practices of existing mixed type plastic track is: the plastic cement slurry that at first to pave with two component mixed type polyurethane slurries in the bituminous concrete basic unit after the completion be base material forms plastic coat, spraying micelle on the not completely crued plastic coat as yet then, micelle and plastic coat are being bonded together solidify and make plastic cement race track.Adopting the major defect of the plastic cement race track that said method builds to be 1) plastic coat and bituminous concrete basic unit bond insecurely, occurs delamination easily; 2) micelle comes off from plastic coat easily, influences the application life of plastic cement race track.
Publication number all provides improvement project at said method for the application for a patent for invention of CN1587527, CN1329199, but they all pay close attention to the problem that solves threshing.At present, for the unstable problem of bonding between the plastic coat of mixed type plastic track and the bituminous concrete basic unit, still find no the solution of effect.
Summary of the invention
Technical problem solved by the invention provides a kind of caking property that can effectively improve plastic coat and bituminous concrete basic unit, thereby avoids plastic coat the mixed type plastic track construction method of delamination to occur.
The technical scheme that solves the problems of the technologies described above is: mixed type plastic track construction method, mix in the coating of the surface of bituminous concrete basic unit earlier and gather materials, the surface of the formed setting course plastic cement slurry that paves forms plastic coat behind its bone dry then, is also spraying micelle on the not completely crued plastic coat again; Wherein, the raw material that described mixing is gathered materials by following weight portion mixes: quartz sand or micelle 3-4 part, plastic cement comprehensive material 6-7 part, percentage by weight≤0.1% of moisture during this mixing is gathered materials.
Described plastic cement comprehensive material is an existing product, can buy by market, and there is Nanjing Nai Sitan physical culture construction engineering corporation, Ltd etc. in manufacturer.This plastic cement comprehensive material reality is slurry and 1 part of base polyurethane prepolymer for use as mixing of 3-5 part by weight portion and is prepared from after processed.Wherein, said slurry claims paper stock again, be existing a kind of paper pulp by intending copying paper grades, character and requirement processings of pulling an oar, add sizing material, filler, colorant and other auxiliary agents then and be modulated into the fibrous suspension that can supply paper grade (stock).So-called base polyurethane prepolymer for use as is existing product equally, be the control certain proportion reaction of polyisocyanates and polyalcohol and the reactable semiproduct, be widely used in numerous areas such as polyurethane adhesive, coating, elastic body, foam and fiber at present.
Further be, form two-layer at least plastic coat, then at the surface sprinkling micelle of the plastic coat of the superiors at the skin lamination of the described setting course plastic cement slurry that paves.
Further be the thickness equalization of described each layer plastic coat.
It further is that described plastic cement slurry is mixed by the raw material of following weight portion: bi-component mixed type polyurethane 7.5-8 part, micelle 2-2.5 part, and proper catalyst; In described bi-component mixed type polyurethane, successively mix micelle and catalyzer during mixing.
Further be, treat that micelle and plastic coat condense after, the floating grain of cleaning and at surperficial coating adhesive.
Further be that described adhesive adopts the mono-component polyurethane slurry.
The invention has the beneficial effects as follows: evidence, because gathering materials, the mixing among the present invention both has excellent compatibility with bituminous concrete basic unit, has simultaneously good adhesion again with plastic coat, bonded surface is permeated and moistening, thereby improve the caking property of bituminous concrete basic unit and plastic coat, avoid occurring the plastic coat delamination.
Description of drawings
Fig. 1 is the mixed type plastic track construction flow chart of the embodiment of the invention 1.
Fig. 2 is the deck schematic diagram of mixed type plastic track of the present invention.
Be labeled as among the figure: bituminous concrete basic unit 1, setting course 2, plastic coat 3, plastic coat 301, plastic coat 302, micelle 4, adhesive 5.
The specific embodiment
The present invention is described further below in conjunction with drawings and Examples.
As shown in Figure 2, the characteristics of mixed type plastic track construction method of the present invention are to mix in the coating of the surface of bituminous concrete basic unit 1 earlier to gather materials, the surface of the formed setting course 2 plastic cement slurry that paves forms plastic coat 3 after bone dry is gathered materials in mixing then, is also spraying micelle 4 on the not completely crued plastic coat 3 again; Wherein, the raw material that described mixing is gathered materials by following weight portion mixes: quartz sand or micelle 3-4 part, plastic cement comprehensive material 6-7 part, percentage by weight≤0.1% of moisture during this mixing is gathered materials.
Wherein, described plastic cement comprehensive material is an existing product, can buy by market, and there is Nanjing Nai Sitan physical culture construction engineering corporation, Ltd etc. in manufacturer.This plastic cement comprehensive material reality is slurry and 1 part of base polyurethane prepolymer for use as mixing of 3-5 part by weight portion and is prepared from after processed.Wherein, so-called slurry claims paper stock again, be existing a kind of paper pulp by intending copying paper grades, character and requirement processings of pulling an oar, add sizing material, filler, colorant and other auxiliary agents then and be modulated into the fibrous suspension that can supply paper grade (stock).So-called base polyurethane prepolymer for use as is existing product equally, be the control certain proportion reaction of polyisocyanates and polyalcohol and the reactable semiproduct, be widely used in numerous areas such as polyurethane adhesive, coating, elastic body, foam and fiber at present.
The preparation method that above-mentioned mixing is gathered materials: directly with the plastic cement comprehensive material finished product bought and quartz sand or micelle according to plastic cement comprehensive material 6-7 part, the weight portion of quartz sand or micelle 3-4 part is mixed and gets final product.Wherein, the plastic cement comprehensive material finished product of use should strict its moisture of control, thus guarantee to mix gather materials in the percentage by weight of moisture be no more than 0.1%.Wherein, described micelle generally can use ethylene propylene diene rubber particle (EPDM) or black micelle etc.
As shown in Figure 2, mix form setting course 2 behind the bone dry that gathers materials after, the mode that can adopt layering to pave is made plastic coat 3.That is, form two-layer at least plastic coat 301,302 at the skin lamination of the described setting course 2 plastic cement slurry that paves, and then at the surface sprinkling micelle of the plastic coat 302 of the superiors.Wherein, the thickness of each layer plastic coat 301,302 is preferably controlled equalization.This layering mode of paving can be guaranteed the spreading quality of plastic coat 3, and the place moulding does not have seam, the reflective and uneven phenomenon that paves.
As shown in Figure 2,, avoid the threshing problem in order to strengthen combining of micelle 4 and plastic coat 3, treat that micelle 4 and plastic coat 3 condense after, the floating grain of cleaning and at surperficial coating adhesive 5.Adhesive 5 can be strengthened the bond strength of micelle 4 and plastic coat 3, prevents that micelle 4 from coming off from plastic coat 3 because of reasons such as frictions, improves the application life of runway.
With certain university's sports ground construction works is example, determines mixed type plastic track construction technology process shown in Figure 1:
One, preparation of construction
1, for guaranteeing that mat formation quality and planeness, the gradient of mixed type plastic sports ground surface layer meets International Track and Field Association's standard-required, guarantee the service property (quality) and the impression of plastic sports ground from now on simultaneously, must the quality of bituminous concrete basic unit 1 be carried out an acceptance inspection before the plastic spreading, concrete standard is with reference to every index of relevant regulations such as International Track and Field Association's manual of standards, design drawing, and program is as follows:
(1) construction of mixed type plastic sports ground bituminous concrete basic unit 1 should meet the requirement of existing Code for constrution and acceptance of asphat pavement GB50092.
(2) collect the raw-material examining report of bituminous concrete, and the sampling analysis of physical property and degree of compaction report, thermal stability factor report and two indexs of degree of compaction must meet standard, demand of technical standard.
(3) bituminous concrete basic unit 1 cooling fully naturally, after the bituminous concrete surface temperature is lower than 50 ℃, can open to traffic.Need enter subsequent processing ahead of time, the cooling of can sprinkling water reduces basic unit's temperature, but should strict control substrate surface degree of drying.
2, planeness verification and levelling
(1) bituminous concrete basic unit 1 gradient, aspect should adhere to specification.With transit detection axis absolute altitude and respectively control datum mark (relatively), whether meet the requirement of International Track and Field Association's handbook, cross fall must not be greater than 1%, and longitudinal grade must not be greater than 0.1%.
(2) planeness (maximal clearance) detects: use anhydrous detection earlier, re-used water and detected.Guarantee basic unit's moisture content when improving surface finish.
Anhydrous detection: the right and wrong line of demarcation with plastic cement race track is the boundary, and straight way is along laterally marking a point with vertical every 3m.Bend is the center of circle with the centre point, does a radial line for per 5 ° with transit, point of every 3m mark.The 3m ruler is put down gently between any adjacent 2, measured maximum local dent with clearance gauge and be no more than 4mm, or the 1m ruler is put down gently in any 2 middle parts, measure maximum local dent with clearance gauge and be no more than 3mm, be qualified point.Measure overall measurement point for every group and should not be less than 40.
Have water to detect: during the rainy day, amount of precipitation should reach substrate surface at least the rainwater trickling can occur.After clearing up, mark the ponding scope.No rainy day gas also can manually water.Water and to annotate cross flow slowly, forbid to dash by force.Water the water yield just to cover whole substrate surface, begin to have current to drop down and be advisable.
All meet the requirements of under the situation in above situation, the bituminous concrete basic unit 1 that carried out 15 days stablizes maintenance.
(3) levelling: with mixing the levelling recess that gathers materials, projection polishes with Angle polishing machine.
(4) decide the special messenger and include the weather forecast data, and get in touch with local meteorological station, locality weather information a middle or short term during the grasp whole construction is in time adjusted the construction arrangement, guarantee the to mat formation quality of engineering, the influence that progress is not subjected to weather temperature air humidity.
3, cleaning dedusting: after curing time, substrate surface is cleared up, keep its no greasy dirt of cleaning and other impurity.
4, setting course 2: before plastic coat 3 paved for the first time, the bituminous concrete basic unit 1 surperficial full coat one deck after levelling mixed and gathers materials, and makes plastic coat 3 combine more firmly with bituminous concrete basic unit 1.Brushing is gathered materials in mixing should be even, not show-through, do not pile up.After 16-18 hour, the bone dry that gathers materials to be mixed, the next procedure of being allowed for access construction.
Wherein, mix the raw material that gathers materials by following weight portion and evenly mix: 3 parts of quartz sands, 7 parts of plastic cement comprehensive material, percentage by weight≤0.1% of moisture during this mixing is gathered materials.Wherein, described plastic cement comprehensive material is commercially available finished product, and manufacturer is a Nanjing Nai Sitan physical culture construction engineering corporation, Ltd.
5, survey the picture bottom line
To embody runway, the requirement of bend uniform slope when (1) measuring unwrapping wire.Put the construction line with the I level steel ruler detection axis that meets GB10633 regulation, after accurately, the overhanging 6mm of axis guarantees the last negative error that do not occur of distance; Reasonably measuring method and construction requirement guarantee that each seam in white line, guarantees the overall appearance of plastic cement race track.
(2) for rationally arranging the workload of mating formation of every day, should survey at the different aspect intersections of runway earlier and finish the line of demarcation, whole sports ground is divided into stick, carry out the plastic cement slurry by piece then and mat formation.For guaranteeing that the unimpeded and seam of draining waits requirement less, the plastic cement slurry mat formation should first inner ring after the outer ring.
(3) according to the zone that is ranked in advance along the line of demarcation of finishing, nail on wooden model bar with polyethylene sheeting parcel.The wide 2cm of wooden model bar, the same surface thickness of thickness.Wooden model bar surface should be smooth, smooth.The wooden model bar of fixing should be close to substrate surface, avoids causing plastic cement slurry seepage because of the wooden model bar gets loose.
(4) in transit control discrepancy in elevation process, should reexamine basic unit's gradient one time, check planeness with the 3m ruler simultaneously.Find the low-lying uneven zone of basic unit, make a mark, repeat finishing, adhere to specification to guarantee basic unit's gradient, planeness.
Two, aided process
The plastic cement slurry is mixed by the raw material of following weight portion: 7.5 parts of bi-component mixed type polyurethane, 2.5 parts in micelle, and proper catalyst; In bi-component mixed type polyurethane, successively mix micelle and catalyzer mixing during mixing.The use amount of catalyzer should be determined according at that time weather, temperature, preferably determine best addition content by trial-production.
1 levelling is finished in bituminous concrete basic unit, mix the bone dry that gathers materials after, can carry out plastic cement slurry examination shop.The examination paving is located at four big angles of sports ground, and the examination paving of 1 1m * 1m is respectively done at each angle, can carry out large tracts of land after qualified on inspection to pave.
Three, the system of mixing of plastic cement slurry
The plastic cement slurry stirs an employing lorry mounted mixer at slurry and mixes system.The setting of stirring the field also should possess following condition except that should meeting regulations such as the relevant environmental protection of country, fire-fighting, safety:
Stir the field and should be arranged on spaciousness, drying, place that traffic condition is good.
Performed polymer (first component) should be kept in 20 ℃ of air-conditioned rooms of constant temperature.During stirring, raw material should be deposited in respectively on the place with hard substrate, and must not mix.
Mixing time should be determined through trial mix.In paving process,, adjust slurry curing time length simultaneously according to the variation increase and decrease catalyzer volume of temperature.The plastic cement slurry is answered the uniform mixing unanimity, and no conglomeration becomes piece.Conglomeration becomes the slurry of piece to use.
Four, the plastic cement slurry paves
Plastic cement slurry paver with preparing paves in bituminous concrete basic unit 1 at twice uniformly, and does mechanical ramming and handle.
1, paves
After the plastic cement slurry is transported to the on-the-spot blanking that paves with clean trolley, use operating paver.For guaranteeing to pave effect, can not select rainy day and cold cruelly, sudden-heat weather construction.The speed of paving of paver should adapt with workload, and keeps stable substantially.It is in bituminous concrete basic unit 1 that first floor paves, and paves can carry out the second layer after finishing and pave.If finding has blank after the plastic cement slurry paves, lacks the limit, should in time manually mend the stand; When gathering, should strike off in slurry.Guarantee that simultaneously new shop plastic cement slurry flushes with curing plastic pulp surface (or mould edge strip).
2, compacting and moulding
When paving operation, must carve inspection and be contained in the scale, particularly second layer plastic cement slurry paving process of the control thickness on the spreading machine, not reach the thickness of regulation if find the height of scale, in time adjustment.
3, seam: before other half range of shop, seam edge should be repaired together, clean clean.Use the paver seam, should be careful in the operation of the junction of constuction joint, seam should be tight, smooth-going, and construction should meet the following requirements:
Should will newly spread the plastic cement slurry and spread plastic cement slurry overlap joint 5-10cm during construction, lap position should bond closely, and compacting is abundant, connects smooth-going.
The deburring operative employee must check lap position back and forth.Be higher than curing plastic slurry (or mould bar limit) if find new shop plastic cement slurry, must in time the unnecessary slurry at this place be removed, be lower than curing plastic face (or mould bar limit) if find new shop slurry liquid level, must this place be complemented to curing plastic slurry (or mould bar limit) with new slurry.
Five, spray micelle and brush adhesive
Paved about 1 hour for the second time at plastic coat 3, promptly on this surface with shot-blasting machine grit blast at a slow speed.Grit blast thickness solidified more than 3mm in about 24 hours.After treating that micelle 4 the latter halfs and plastic coat 3 condense, the floating grain of cleaning, brush monocomponent polyurethane slurry adds combining of micelle 4 and plastic coat 3.
Six, draw sign and lines
Standard according to up-to-date international standard track field is measured, the various runway marking lines that draw, and by the design and installation curb.Need to check through physical culture technology person after drawing good mark, angle part is checked with radioactivity length, and straight line portion is checked with the steel ruler of identifying, after confirming to meet standard, and can be by the color sign japanning of International Track and Field Association's regulation.
The lines japanning uses artificial brushing, avoids the empty limit of lines.Make the runway marking line template of hollow out, hollow out position width is the runway marking line width, and length is 1m, divides curve sign line template, straight way marker line template.During mopping, operating personnel will keep the inclination angle of brush and coated surface and the speed and strength of brushing, and are even with the color and luster that guarantees the runway marking line.Large tracts of land sign japanning adopts and sprays paint, and the sign profile sketches the contours and still adopts artificial brushing.Spray paint the distance that to grasp spray gun (from 15 °～60 ° of plastic rubber surface 50cm～100cm) and angles.
Mixed type plastic track construction finishes after accelerated test, and delamination does not appear in plastic coat, and application life is than existing mixed type plastic track raising more than 5 years.
The mixed type plastic track construction technology process is identical with embodiment 1.
In this embodiment, the raw material that employed mixing is gathered materials by following weight portion evenly mixes: 4 parts in micelle, and 6 parts of plastic cement comprehensive material, employed plastic cement comprehensive material is identical with embodiment.Described micelle is selected ethylene propylene diene rubber particle (EPDM) or black micelle for use.
In this embodiment, employed plastic cement slurry is mixed by the raw material of following weight portion: 8 parts of bi-component mixed type polyurethane, 2 parts in micelle, and proper catalyst; In bi-component mixed type polyurethane, successively mix micelle and catalyzer during mixing.The use amount of catalyzer should be determined according at that time weather, temperature, preferably determine best addition content by trial-production.Described micelle is selected ethylene propylene diene rubber particle (EPDM) or black micelle equally for use.
Mixed type plastic track construction finishes after accelerated test, and delamination does not appear in plastic coat.
Claims (6)
1. mixed type plastic track construction method, it is characterized in that: mix in the coating of the surface of bituminous concrete basic unit (1) earlier and gather materials, the surface of formed setting course (2) the plastic cement slurry that paves forms plastic coat (3) behind its bone dry then, goes up at not completely crued plastic coat (3) also and sprays micelle (4); Wherein, the raw material that described mixing is gathered materials by following weight portion mixes: quartz sand or micelle 3-4 part, plastic cement comprehensive material 6-7 part, percentage by weight≤0.1% of moisture during this mixing is gathered materials.
2. mixed type plastic track construction method as claimed in claim 1, it is characterized in that: form two-layer at least plastic coat (301,302) at the skin lamination of described setting course (2) the plastic cement slurry that paves, then at the surface sprinkling micelle of the plastic coat (302) of the superiors.
3. mixed type plastic track construction method as claimed in claim 2 is characterized in that: the thickness equalization of each layer plastic coat (301,302).
4. as claim 1,2 or 3 described mixed type plastic track construction methods, it is characterized in that: described plastic cement slurry is mixed by the raw material of following weight portion: bi-component mixed type polyurethane 7.5-8 part, micelle 2-2.5 part, and proper catalyst; In described bi-component mixed type polyurethane, successively mix micelle and catalyzer during mixing.
5. as claim 1,2 or 3 described mixed type plastic track construction methods, it is characterized in that: after treating that micelle (4) and plastic coat (3) condense, the floating grain of cleaning and in surperficial coating adhesive (5).
6. mixed type plastic track construction method as claimed in claim 5 is characterized in that: described adhesive (5) adopts the mono-component polyurethane slurry.
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| CN2010101361795A CN101792997B (en) | 2010-03-31 | 2010-03-31 | Mixed type plastic track construction method |
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| CN2010101361795A CN101792997B (en) | 2010-03-31 | 2010-03-31 | Mixed type plastic track construction method |
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| CN101792997B true CN101792997B (en) | 2011-05-18 |
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Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102619153A (en) * | 2011-01-28 | 2012-08-01 | 方贵富 | Construction method of green building, environmental protection, permeable and venting artificial playground and structure of artificial playground |
| CN103821061B (en) * | 2014-03-18 | 2015-10-28 | 中国汽车技术研究中心 | A kind of automobile safety collision test room is with drawing runway and construction in layer method thereof |
| CN104032647A (en) * | 2014-06-12 | 2014-09-10 | 陆松 | Construction method for mixed type runway |
| EP3216919B1 (en) * | 2016-03-11 | 2020-04-29 | Polytex Sportbeläge Produktions-GmbH | Method, apparatus and system for producing a polyurethane sports flooring |
| CN106149511A (en) * | 2016-08-24 | 2016-11-23 | 汪俊洋 | A kind of construction method of the plastic cement race track for sports ground |
| CN106592384B (en) * | 2016-12-21 | 2019-01-25 | 广东新灏元科技有限公司 | SPU full-plastic plastic cement race track and construction method |
| CN107503266A (en) * | 2017-09-09 | 2017-12-22 | 泰州市好友体育设施科技有限公司 | Basis uses the plastic cement race track and its construction method of pervious concrete |
| CN108330773B (en) * | 2017-12-08 | 2023-07-21 | 浙江锦圣建设有限公司 | Plastic course |
| CN110424213A (en) * | 2019-07-12 | 2019-11-08 | 安徽绿谷新材料有限公司 | A kind of EPDM color grains plastic floor construction method |
| CN111072895A (en) * | 2019-12-17 | 2020-04-28 | 杭州和诚塑胶工程有限公司 | High-elasticity plastic track and preparation method thereof |
| CN111549615B (en) * | 2020-04-16 | 2021-09-17 | 杭州非凡塑胶工程有限公司 | Construction method of non-water-seepage plastic track |
| CN112538800A (en) * | 2020-11-30 | 2021-03-23 | 武汉世纪领航体育发展有限公司 | Breathable plastic track and construction process thereof |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1033639A (en) * | 1988-12-14 | 1989-07-05 | 保定市合成橡胶厂 | Fire retardant plastic floor |
| US5514722A (en) * | 1994-08-12 | 1996-05-07 | Presidential Sports Systems, Inc. | Shock absorbingg underlayment for artificial playing surfaces |
| CN1120265C (en) * | 1999-05-20 | 2003-09-03 | 师永昌 | Plastic race track |
| CN1587527A (en) * | 2004-09-27 | 2005-03-02 | 莫方田 | Construction method for plastic track |
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