CN110499689A - Polyurethane macadam-aggregate mix construction of seepage pavement method - Google Patents
Polyurethane macadam-aggregate mix construction of seepage pavement method Download PDFInfo
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- CN110499689A CN110499689A CN201910751095.3A CN201910751095A CN110499689A CN 110499689 A CN110499689 A CN 110499689A CN 201910751095 A CN201910751095 A CN 201910751095A CN 110499689 A CN110499689 A CN 110499689A
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- 238000010276 construction Methods 0.000 title claims abstract description 54
- 239000004814 polyurethane Substances 0.000 title claims abstract description 48
- 229920002635 polyurethane Polymers 0.000 title claims abstract description 47
- 238000000034 method Methods 0.000 title claims abstract description 19
- 239000000853 adhesive Substances 0.000 claims abstract description 27
- 230000001070 adhesive effect Effects 0.000 claims abstract description 27
- 238000003756 stirring Methods 0.000 claims abstract description 14
- 238000013461 design Methods 0.000 claims abstract description 11
- 238000012423 maintenance Methods 0.000 claims abstract description 10
- 238000012545 processing Methods 0.000 claims abstract description 8
- 230000036541 health Effects 0.000 claims abstract description 7
- 238000007664 blowing Methods 0.000 claims abstract description 5
- 238000002360 preparation method Methods 0.000 claims abstract description 4
- 239000000203 mixture Substances 0.000 claims description 31
- 239000000463 material Substances 0.000 claims description 17
- 230000032258 transport Effects 0.000 claims description 13
- 230000000694 effects Effects 0.000 claims description 9
- 230000008569 process Effects 0.000 claims description 9
- 239000003086 colorant Substances 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 5
- 239000004567 concrete Substances 0.000 claims description 4
- 238000011049 filling Methods 0.000 claims description 4
- 239000010410 layer Substances 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 4
- 239000002689 soil Substances 0.000 claims description 4
- 239000010963 304 stainless steel Substances 0.000 claims description 3
- 239000006004 Quartz sand Substances 0.000 claims description 3
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 239000000428 dust Substances 0.000 claims description 3
- 239000006052 feed supplement Substances 0.000 claims description 3
- 239000003921 oil Substances 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000007761 roller coating Methods 0.000 claims description 3
- 238000007711 solidification Methods 0.000 claims description 3
- 230000008023 solidification Effects 0.000 claims description 3
- 239000002344 surface layer Substances 0.000 claims description 3
- 238000012549 training Methods 0.000 claims description 3
- 239000000945 filler Substances 0.000 claims description 2
- 239000000047 product Substances 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 10
- 239000004575 stone Substances 0.000 abstract description 5
- 230000035515 penetration Effects 0.000 abstract description 4
- 238000009499 grossing Methods 0.000 abstract 1
- 230000008901 benefit Effects 0.000 description 3
- 238000009533 lab test Methods 0.000 description 3
- 230000035699 permeability Effects 0.000 description 3
- 241001481833 Coryphaena hippurus Species 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- GOLXNESZZPUPJE-UHFFFAOYSA-N spiromesifen Chemical compound CC1=CC(C)=CC(C)=C1C(C(O1)=O)=C(OC(=O)CC(C)(C)C)C11CCCC1 GOLXNESZZPUPJE-UHFFFAOYSA-N 0.000 description 2
- 241001465754 Metazoa Species 0.000 description 1
- 239000011384 asphalt concrete Substances 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 230000003204 osmotic effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- 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
- E01C11/00—Details of pavings
- E01C11/22—Gutters; Kerbs ; Surface drainage of streets, roads or like traffic areas
- E01C11/224—Surface drainage of streets
- E01C11/225—Paving specially adapted for through-the-surfacing drainage, e.g. perforated, porous; Preformed paving elements comprising, or adapted to form, passageways for carrying off drainage
- E01C11/226—Coherent pavings
-
- 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
- E01C7/00—Coherent pavings made in situ
- E01C7/08—Coherent pavings made in situ made of road-metal and binders
- E01C7/30—Coherent pavings made in situ made of road-metal and binders of road-metal and other binders, e.g. synthetic material, i.e. resin
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Structures (AREA)
Abstract
The invention discloses a kind of polyurethane macadam-aggregate mix construction of seepage pavement methods, it is related to construction of seepage pavement field, specifically include that preparation of construction, PPM design, PPM mix, transport, PPM paves, pattern adds, joint treatment, anti-skidding processing, health and traffic control, specially single graded broken stone or gap grading rubble are poured into blender and stirred, then polyurethane adhesive is prepared, it is stirred evenly using blender, it uniformly pours into the blender of rubble and stirs again, then blowing, transport to construction area；It paves, in the case where considering coefficient of loose laying, using special construction machinery such as surface finisher, pattern can also can also be carried out and be added with receipts face or in the lesser situation of area by manually carrying out smoothing out receipts face by carrying out compacting；It is subsequent to carry out anti-skidding processing and maintenance.The present invention has the characteristics that construction is convenient, economical and eco-friendly, water penetration is strong, rich in color, design multiplicity, reliable in quality, service life are long.
Description
Technical field
The present invention relates to construction of seepage pavement fields, specially a kind of polyurethane macadam-aggregate mix construction of seepage pavement side
Method, is suitable for municipal pavement, cycle track, garden landscape, Ecological Park Lv Dao, Shu Chi, parking lot etc., application range compared with
Extensively.
Background technique
With the gradually quickening of Urbanization in China, urbanization has become future trend, but in Process of Urbanization Construction process
In there are many problems, such as the urban waterlogging after heavy rain, then construction nature stockpiles, naturally osmotic, self-purification sea
Continuous city is extremely urgent.Currently, China most cities pavement of road uses dense-graded asphalt concrete structure, it is close impermeable
Water, and most urban roads lack perfect rainwater-collecting and discharge tube, are easy to waterlogging occur once raining in torrents.Therefore,
Industry people soil is seeking always a kind of novel porous pavement pavement material, urban waterlogging problem is effectively relieved.It is porous poly-
Urethane macadam-aggregate mix (Porous Polyurethane Mixture, PPM) is such a with broad prospect of application
Material.PPM construction road surface is permeable, good permeability, natural drainage can be carried out, limited rainwater is stayed, be ground
Following animals and plants provide required moisture and nutrient, and can improve the temperature and humidity of ambient enviroment；Various colors, road surface beauty
It sees, can be mutually coordinated with ambient enviroment, the aesthetics of integrated environment can be increased.In order to solve the problems, such as the paving of PPM, need
A kind of construction method is provided, to realize application of the PPM in paving.
Summary of the invention
The present invention provides a kind of polyurethane macadam-aggregate mix porous pavement and applies to solve the problems, such as the paving of PPM
Work method.
The present invention is achieved by the following technical solution: a kind of polyurethane macadam-aggregate mix construction of seepage pavement side
Method includes the following steps:
1) preparation of construction: former road surface is hardened using C25 concrete first, leveling processing, and horizontal slope draining, health is set
Maintenance 1 week；Before making PPM porous pavement, pre-job training and safety education are carried out to field technician and operator, and will
Leveling layer cleans up；Then, floating dust is blown off with air compressor machine down wind, makes clean surface, free from admixture；Various constructions are checked simultaneously
Machinery, debugging is mechanical to kilter, checks whether rubble is clean, dry, checks whether polyurethane adhesive stores well, protects
Card is without denaturalization phenomenon；
2) PPM is designed: matching broken or gap grading rubble using single-stage in construction, ballast grain sizes are 3 ~ 5 ~ 10mm, macadam gradating
PPM intensity and pavement performance are influenced little；
3) PPM mix: load weighted rubble is first poured into blender, then starts motor and stir by live mixing polyurethane mixture
It mixes；Polyurethane adhesive volume is the 3% of rubble quality, and polyurethane adhesive includes A, B component, and the mass ratio of A, B component
For 100:65, wherein component A is adhesive, and in amber, B component is curing agent, is in rufous, is free of fine aggregate and filler,
Intensity is formed mainly by the polyurethane adhesive oxidation reaction for being wrapped in the i.e. rubble surface of coarse aggregate, and rubble is bonded to whole
Body, it is more to be gathered materials by single grade or gap-graded aggregate mixes and stirs to guarantee that PPM water penetration is met the requirements；To dried and clean
Container in the component A and B component of 100:65 mass ratio is respectively added, then stir 40 ~ 60s with hand-held mixer, then uniformly
It pours into the vertical flat mouth blender for fill rubble and stirs 2-4min, then blowing, transport to construction area；Polyurethane adhesive
By the way of matching i.e. use, best adhesive volume is determined by laboratory test.
4) it transports: arranging mix position and transporting equipment according to construction site feature, project amount size, road conditions, for
The big construction of large area, project amount suggests that user's plate-type trolley or miniature self emptying type lorry transport, and is directed to cell
Mix, transport then use small-sized cart in the construction selection field of domain；Material leakage and pollution road should be prevented in mixture transportational process
Phenomena such as face, and should be noted that reducing vehicle jolts, and causes to isolate to prevent polyurethane adhesive because trickling downwards.
5) PPM paves: after PPM is transported to laying work area, first by manually being scraped with floating rule to initial smooth, being found accurately using horizontal ruler
Flatness and drainage grade, paving thickness refer to its coefficient of loose laying, and coefficient of loose laying chooses 1.1, and it is ensured that edge when construction
Intact material phenomenon；Since PPM voidage is larger, internal structure is based on point-point contact, therefore small part is gathered materials there are face contact,
This compositing characteristic makes its stress, and there are weak links, are also easy to produce stress concentration phenomenon.Therefore, pressure cannot be used in practice of construction
The heavy-duty machineries such as road machine are rolled.For large area porous pavement engineering, special construction machinery (such as table is generally used
Face finisher) carry out light weight compacting receipts face；And, thinner thickness smaller for area and more dispersed regional area can also be by
Artificial to smooth out receipts face, the artificial effect for receiving face is equally compacting；Paved after 10 ~ 12min, with surface finisher or manually into
The compacting of row light weight and the face of receipts；Mixture making is if any uneven place should send special messenger to carry out timely feed supplement and shovel material, then carries out artificial
Receipts face；PPM is transported to job location and is paved, is compacted when the hair side anti-skidding longest being disposed after blender discharging
Between be no more than 25min；
6) pattern adds: being first fabricated to pattern template using 304 stainless steel dividing strips, is fixed on design position, in process of deployment
It first gets around pattern to be laid with, finally selects the polyurethane mixture of different colours rubble to carry out pattern filling, manually received
Face；Pattern also can be used as a kind of measure of road pavement repairing, in the prejudicial situation in road surface, first by the loose rubble in road surface and its
Peripheral portion is rooted out, then is dug into regular pattern and repaired；Increase the interest of the construction parts such as garden road in process of deployment,
Increase pattern, such as butterfly, petal, dolphin pattern can be designed, and carries out pattern in aforementioned manners and adds；
7) it joint treatment: when inevitably there is cold joint, is fixed with batten and receives side, and by joint treatment at vertical smooth
Straight line seam, accomplish rule, clean；Guarantee that the PPM of new making is identical as the PPM porous pavement elevation consolidated when seam, with
Achieve the effect that desalinate seam；PPM making is accomplished to work continuously as far as possible, avoids more construction cold joint, to guarantee that PPM is permeable
Road surface is overall beautiful；
8) anti-skidding processing: after the solidification of PPM porous pavement surface layer, every 1m2The polyurethane adhesive that roller coating 0.1kg is stirred evenly,
And the 0.1kg/m of 70 ~ 140 mesh is uniformly sprinkled on its surface2Quartz sand, to enhance wear-resisting, the antiskid effect on road surface.
9) health and traffic control: each section of compacting plastering is completed and after passed examination, immediately begins to conserve, maintenance of surface
Period close traffic pollutes it by soil, oils etc., prevents in polyurethane rubble the purpose is to keep cleaning in hole
Porous pavement is damaged before being not up to design strength by impact force, under the conditions of 28 DEG C of curing temperature, conserves 5h.
Compared with prior art the invention has the following advantages: polyurethane macadam-aggregate mix provided by the present invention is saturating
Water pavement construction method, with constructing, convenient, economical and eco-friendly, water penetration is strong, rich in color, design multiplicity, reliable in quality, use
The features such as year limit for length, waterlogging problem after current city rain can be effectively relieved, have in the long run good economic benefit and
Social benefit.Be formed by colour polyurethane broken stone water permeability pavement can the normal use in -40-80 °C of environment again for a long time, tool
There are preferable high- and low-temperature resistance performance and good durability, is not in the hot road surface softening transform in day or low temperature brittleness phenomenon.And
And polyurethane road surface height is permeable, pore structure of water storage, can greatly simplify municipal drainage system, mitigates urban drainage pipe network
Pressure is able to satisfy the torrential rain rainwater not outlet that rainfall is 100mm, urban waterlogging when being conducive to alleviate heavy rain；What PPM was laid with
Road surface can be very good to show stone material true qualities, using the road surface of the available different colours of the building stones of different colours, and can make
Make various LOGO, geometrical pattern, flower pattern, text etc., greatly enriches the visual effect on road surface；The PPM porous pavement later period supports
It protects convenient, fast, can directly construct on the basis of breakage, it can open to traffic after 5h.
Detailed description of the invention
Fig. 1 is construction flow chart of the invention.
Specific embodiment
Below in conjunction with specific embodiment, the invention will be further described.
A kind of polyurethane macadam-aggregate mix construction of seepage pavement method, includes the following steps:
1) preparation of construction: former road surface is hardened using C25 concrete first, leveling processing, and horizontal slope draining, health is set
Maintenance 1 week；Before making PPM porous pavement, pre-job training and safety education are carried out to field technician and operator, and will
Leveling layer cleans up；Then, floating dust is blown off with air compressor machine down wind, makes clean surface, free from admixture；Various constructions are checked simultaneously
Machinery, debugging is mechanical to kilter, checks whether rubble is clean, dry, checks whether polyurethane adhesive stores well, protects
Card is without denaturalization phenomenon.
2) PPM is designed: matching broken or gap grading rubble using single-stage in construction, ballast grain sizes are 3 ~ 5 ~ 10mm, rubble
Grade pairing PPM intensity and pavement performance influence little；Mixture, which gathers materials, must select clean, hard closely knit, free from admixture rubble,
To ensure its quality；Rubble should not contain more flat-elongated particles, and shape is preferably close to cube, to guarantee to have enough between rubble
Contact area；It should ensure that rubble does not make moist, not by impurity pollution, drying when site operation.
3) PPM mix: live mixing polyurethane mixture first pours into load weighted rubble in blender, then start electricity
Machine stirring；Polyurethane adhesive volume is the 3% of rubble quality, and polyurethane adhesive includes A, B component, and the matter of A, B component
Amount is than being 100:65, and wherein component A is adhesive, and in amber, B component is curing agent, is in rufous, without fine aggregate and fills out
Material forms intensity mainly by the polyurethane adhesive oxidation reaction for being wrapped in the i.e. rubble surface of coarse aggregate, and rubble is bonded to
It is whole, it is more to be gathered materials by single grade or gap-graded aggregate mixes and stirs to guarantee that PPM water penetration is met the requirements；It is clean to drying
The component A and B component of 100:65 mass ratio are respectively added in net container, then stirs 40 ~ 60s with hand-held mixer, then
Even pour into stirs 2 ~ 4min in the vertical flat mouth blender for fill rubble, then blowing, transport to construction area；Polyurethane gluing
By the way of matching i.e. use, best adhesive volume is determined by laboratory test for agent.The present embodiment is by taking 400kg as an example, polyurethane
Adhesive volume is 12kg, and component A volume is 7.27kg, and B component volume is 4.73kg, is respectively added into the container of dried and clean
Then component A 7.27kg, B component 4.73kg stir 40 ~ 60s with hand-held mixer, then uniformly pour into and fill 400kg rubble
Vertical flat mouth blender in stir 2-4min, then blowing, transport are to construction area；In the step, polyurethane gluing is cleaned
Agent must be marched into the arena Shi Yingyou work certificate and laboratory test report using the polyurethane adhesive of specified producer's production, A, B component, and at any time
It is inspected by random samples, is forbidden to use the undesirable set of adhesive raw material of quality；
4) it transports: mix position and transporting equipment is arranged according to construction site feature, project amount size, road conditions, for big face
The big construction of product, project amount suggests that user's plate-type trolley or miniature self emptying type lorry transport, and applies for zonule
Work selects mix in field, transport then to use small-sized cart；Material leakage and pollution road surface etc. should be prevented in mixture transportational process
Phenomenon, and should be noted that reducing vehicle jolts, and causes to isolate to prevent polyurethane adhesive because trickling downwards.
5) PPM paves: after PPM is transported to laying work area, first by manually being scraped with floating rule to initial smooth, being found accurately using horizontal ruler
Flatness and drainage grade, paving thickness refer to its coefficient of loose laying, and coefficient of loose laying chooses 1.1, and it is ensured that edge when construction
Intact material phenomenon；Since PPM voidage is larger, internal structure is based on point-point contact, therefore small part is gathered materials there are face contact,
This compositing characteristic makes its stress, and there are weak links, are also easy to produce stress concentration phenomenon.Therefore, pressure cannot be used in practice of construction
The heavy-duty machineries such as road machine are rolled.For large area porous pavement engineering, special construction machinery (such as table is generally used
Face finisher) carry out light weight compacting receipts face；And, thinner thickness smaller for area and more dispersed regional area can also be by
Artificial to smooth out receipts face, the artificial effect for receiving face is equally compacting；Paved after 10 ~ 12min, with surface finisher or manually into
The compacting of row light weight and the face of receipts；Mixture making is if any uneven place should send special messenger to carry out timely feed supplement and shovel material, then carries out artificial
Receipts face；PPM is transported to job location and is paved, is compacted when the hair side anti-skidding longest being disposed after blender discharging
Between be no more than 25min；Since water is affected to polyurethane adhesive performance, therefore should forbid carrying out polyurethane mixture in the rainy day
Construction of seepage pavement, concrete base layer surface moisture also do not allow to construct when not being completely dried.
6) pattern adds: being first fabricated to pattern template using 304 stainless steel dividing strips, is fixed on design position, was laid with
Pattern is first got around in journey to be laid with, finally select different colours rubble polyurethane mixture carry out pattern filling, manually into
Row receipts face；Pattern also can be used as a kind of measure of road pavement repairing, in the prejudicial situation in road surface, first by the loose rubble in road surface
And its peripheral portion is rooted out, then is dug into regular pattern and repaired；Increase the interest of the construction parts such as garden road in process of deployment
Taste can design increase pattern, such as butterfly, petal, dolphin pattern, and carry out pattern in aforementioned manners and add；
7) it joint treatment: when inevitably there is cold joint, is fixed with batten and receives side, and by joint treatment at vertical smooth
Straight line seam, accomplish rule, clean；Guarantee that the PPM of new making is identical as the PPM porous pavement elevation consolidated when seam, with
Achieve the effect that desalinate seam；PPM making is accomplished to work continuously as far as possible, avoids more construction cold joint, to guarantee that PPM is permeable
Road surface is overall beautiful；
8) anti-skidding processing: after the solidification of PPM porous pavement surface layer, every 1m2The polyurethane adhesive that roller coating 0.1kg is stirred evenly,
And the 0.1kg/m of 70 ~ 140 mesh is uniformly sprinkled on its surface2Quartz sand, to enhance wear-resisting, the antiskid effect on road surface.
9) health and traffic control: each section of compacting plastering is completed and after passed examination, immediately begins to conserve, maintenance of surface
Period close traffic pollutes it by soil, oils etc., prevents in polyurethane rubble the purpose is to keep cleaning in hole
Porous pavement is damaged before being not up to design strength by impact force, under the conditions of 28 DEG C of curing temperature, conserves 5h.
Method provided by the present invention should reinforce maintenance and maintenance in the construction process, and maintenance 5 hours is needed after the completion of construction,
Forbid pedestrian, vehicle to walk in top and form rut print, trouble is caused to aesthetic effect and reparation；Periodically polyurethane road surface is made
Cleaned with giant, prevent pore plugging and cannot be permeable problem.
Polyurethane broken stone water permeability pavement and colorful water-permeable bituminous pavement contrast table
The scope of protection of present invention is not limited to the above specific embodiment, and to those skilled in the art, this
Invention can there are many deformation and change, it is all design of the invention within principle it is made it is any modification, improve and be equal
Replacement should be all included within protection scope of the present invention.
Claims (1)
1. a kind of polyurethane macadam-aggregate mix construction of seepage pavement method, characterized by the following steps:
1) preparation of construction: former road surface is hardened using C25 concrete first, leveling processing, and horizontal slope draining, health is set
Maintenance 1 week；Before making PPM porous pavement, pre-job training and safety education are carried out to field technician and operator, and will
Leveling layer cleans up；Then, floating dust is blown off with air compressor machine down wind, makes clean surface, free from admixture；Various constructions are checked simultaneously
Machinery, debugging is mechanical to kilter, checks whether rubble is clean, dry, checks whether polyurethane adhesive stores well, protects
Card is without denaturalization phenomenon；
2) PPM is designed: matching broken or gap grading rubble using single-stage in construction, ballast grain sizes are 3 ~ 5 ~ 10mm；
3) PPM mix: load weighted rubble is first poured into blender, then starts motor and stir by live mixing polyurethane mixture
It mixes, every pot of maximum mixing quality is 400kg；Polyurethane adhesive volume be rubble quality 3%, polyurethane adhesive include A,
B component, and the mass ratio of A, B component is 100:65, wherein component A is adhesive, and B component is curing agent, without fine aggregate and
Filler is gathered materials by single grade or gap-graded aggregate mixes and stirs；The A of 100:65 mass ratio is respectively added into the container of dried and clean
Then component and B component stir 40 ~ 60s with hand-held mixer, then uniformly pour into the vertical flat mouth blender for filling rubble
2 ~ 4min is stirred, then blowing, transport to construction area；
4) it transports: mix position and transporting equipment is arranged according to construction site feature, project amount size, road conditions, for big face
The big construction of product, project amount suggests that user's plate-type trolley or miniature self emptying type lorry transport, and applies for zonule
Work selects mix in field, transport then to use small-sized cart；
5) PPM paves: after PPM is transported to laying work area, first by manually being scraped with floating rule to initial smooth, being found accurately using horizontal ruler smooth
Degree and drainage grade, paving thickness refer to its coefficient of loose laying, and coefficient of loose laying chooses 1.1, and it is ensured that edge is intact when construction
Expect phenomenon；It has paved after 10 ~ 12min, with surface finisher or has manually carried out light weight compacting and receive face；Mixture making if any
Uneven place should send special messenger to carry out timely feed supplement and shovel material, then carry out artificial receipts face；PPM is transported to construction after blender discharging
Place is paved, is compacted until the anti-skidding maximum duration being disposed of hair side is no more than 25min；
6) pattern adds: being first fabricated to pattern template using 304 stainless steel dividing strips, is fixed on design position, in process of deployment
It first gets around pattern to be laid with, finally selects the polyurethane mixture of different colours rubble to carry out pattern filling, manually received
Face；Pattern also can be used as a kind of measure of road pavement repairing, in the prejudicial situation in road surface, first by the loose rubble in road surface and its
Peripheral portion is rooted out, then is dug into regular pattern and repaired；
7) it joint treatment: when inevitably there is cold joint, is fixed with batten and receives side, and by joint treatment at vertical smooth
Straight line seam, accomplish rule, clean；Guarantee that the PPM of new making is identical as the PPM porous pavement elevation consolidated when seam, with
Achieve the effect that desalinate seam；
8) anti-skidding processing: after the solidification of PPM porous pavement surface layer, every 1m2The polyurethane adhesive that roller coating 0.1kg is stirred evenly, and
The 0.1kg/m of 70 ~ 140 mesh is uniformly sprinkled on its surface2Quartz sand, to enhance the antiskid effect on road surface；
9) health and traffic control: each section of compacting plastering is completed and after passed examination, immediately begins to conserve, during maintenance of surface
Close traffic pollutes it by soil, oils etc., prevents permeable in polyurethane rubble the purpose is to keep cleaning in hole
Road surface is damaged before being not up to design strength by impact force, under the conditions of 28 DEG C of curing temperature, conserves 5h.
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| CN201910751095.3A CN110499689A (en) | 2019-08-15 | 2019-08-15 | Polyurethane macadam-aggregate mix construction of seepage pavement method |
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| CN201910751095.3A CN110499689A (en) | 2019-08-15 | 2019-08-15 | Polyurethane macadam-aggregate mix construction of seepage pavement method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111996856A (en) * | 2020-07-22 | 2020-11-27 | 湖南砼艺市政工程建设有限公司 | Construction process of pavement structure of adhesive ceramic particle ecological water permeable structure |
| CN112726321A (en) * | 2020-12-30 | 2021-04-30 | 山东省交通规划设计院有限公司 | Full-thickness ultrathin long-life pavement structure and construction method thereof |
| CN112921737A (en) * | 2021-01-28 | 2021-06-08 | 交通运输部公路科学研究所 | Control method for polyurethane porous paving compaction and traffic time node |
| CN113185188A (en) * | 2021-04-23 | 2021-07-30 | 广东万合新材料科技有限公司 | Material for sports ground foundation |
| CN115418906A (en) * | 2022-10-20 | 2022-12-02 | 湖南太合科创生态有限公司 | Polyurethane broken stone permeable pavement construction method |
Citations (5)
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| CN113185188A (en) * | 2021-04-23 | 2021-07-30 | 广东万合新材料科技有限公司 | Material for sports ground foundation |
| CN115418906A (en) * | 2022-10-20 | 2022-12-02 | 湖南太合科创生态有限公司 | Polyurethane broken stone permeable pavement construction method |
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