CN106223160A - A kind of from the construction technology tying stricture of vagina runway - Google Patents
A kind of from the construction technology tying stricture of vagina runway Download PDFInfo
- Publication number
- CN106223160A CN106223160A CN201610556078.0A CN201610556078A CN106223160A CN 106223160 A CN106223160 A CN 106223160A CN 201610556078 A CN201610556078 A CN 201610556078A CN 106223160 A CN106223160 A CN 106223160A
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- CN
- China
- Prior art keywords
- vagina
- stricture
- laying
- layer
- runway
- Prior art date
- 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.)
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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
- E01C13/00—Pavings or foundations specially adapted for playgrounds or sports grounds; Drainage, irrigation or heating of sports grounds
- E01C13/06—Pavings made in situ, e.g. for sand grounds, clay courts E01C13/003
-
- 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
- E01C11/24—Methods or arrangements for preventing slipperiness or protecting against influences of the weather
-
- 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
- E01C13/00—Pavings or foundations specially adapted for playgrounds or sports grounds; Drainage, irrigation or heating of sports grounds
- E01C13/06—Pavings made in situ, e.g. for sand grounds, clay courts E01C13/003
- E01C13/065—Pavings made in situ, e.g. for sand grounds, clay courts E01C13/003 at least one in situ layer consisting of or including bitumen, rubber or plastics
Abstract
The present invention relates to plastic cement race track correlative technology field, a kind of from the construction technology tying stricture of vagina runway, the described raw material from knot stricture of vagina runway includes special urethane rubber cement, special addition agent, black granule, Buddha's warrior attendant sand arogel slurry, black granule, catalyst and diluent, and their weight ratio is (100 200): (50 100): (80 140): (30 50): (60 120): (3 7): (3 7), the present invention novel knot certainly stricture of vagina runway, with sport biomechanics as foundation, is designed with the closed pore microvesicle elastic interlayer of uniqueness.(2) product is changed over EPDM (or PU) granule as the traditional handicraft of skid resistant surface, has reached not fall an effect, meets athletic ground and uses frequency high, uses the feature that intensity is big.(3) texture of concave-convex surface is uniform, and coefficient of friction is consistent, color is stably full of texture, line paint texture is strong, difficult drop-off, wear-resisting, greatly reduces maintenance cost, conventional the newest.
Description
Technical field
The present invention relates to plastic cement race track correlative technology field, a kind of from the construction technology tying stricture of vagina runway.
Background technology
Along with the development of society, the progress of education, the perfect kind of going to making school of modern teaching facility is more to come
The most, it is the most all compound plastic cement race track, strong elastic type plastic cement race track or vapor-permeable type plastic cement race track, above-mentioned several
Kind of runway can not well slow down, athlete, impulsive force when athlete's step lands produced human synovial, and a lot
Plastic cement race track often occurs grain with EPDM (or PU) granule as the traditional handicraft of skid resistant surface during using
Situation, often service life is the most limited, regular will soon wear, to this end, it is proposed that a kind of from the construction tying stricture of vagina runway
Technique is used for solving the problems referred to above.
Summary of the invention
Present invention solves the technical problem that the defect being to overcome prior art, it is provided that a kind of from the construction work tying stricture of vagina runway
Skill, the described construction technology from knot stricture of vagina runway has and slows down impulsive force, do not falls the features such as grain.
For realizing purpose, the present invention provides following technical scheme, and a kind of oneself ties the construction technology of stricture of vagina runway, described from tying stricture of vagina
Runway includes that the raw material of the described stricture of vagina runway of knot certainly includes spy from tying stricture of vagina mixing primer, certainly knot stricture of vagina clean plasm layer and from knot stricture of vagina flower pulp layer
Plant polyurethane rubber cement, special addition agent, black granule, Buddha's warrior attendant sand arogel slurry, black granule, catalyst and diluent, and their weight
Than being (100-200): (50-100): (80-140): (30-50): (60-120): (3-7): (3-7).
Preferably, a diameter of 2-3mm of described black granule.
Preferably, the described stricture of vagina mixing primer of knot certainly includes that three-decker, ground floor and third layer are special urethane glue
Being folded with black granular layer between pulp layer, and ground floor and third layer, the described thickness from the three-decker of knot stricture of vagina mixing primer exists
Between 8-10mm.
A kind of from tying the construction technology of stricture of vagina runway, its construction technology includes below scheme:
S1: the detection on basis, finishing；The flatness on in-site measurement basis, the gradient, on the basis of the straight bent demarcation line of runway
Line, straight way transversely marks a point with longitudinally every 3m, and bend is point on the basis of the center of circle, does unwrapping wire with every 5 degree of theodolite, every 3 meters
Marking a point, be put in by 3m ruler between any adjacent 2 and measure with clearance gauge, local maxima recess is conjunction less than 3mm
Lattice point, more than 3mm for not conforming to lattice point, it is qualified that whole audience measuring point qualification rate reaches 85%, is good more than 94%, more than or equal to 95%
For excellent.Level gauge detection axis absolute altitude and respectively control datum mark (relatively), if meet the requirement of International Track and Field Association's handbook,
Cross fall cannot be greater than 1%, and head fall cannot be greater than 0.1%, simultaneously for ensureing laying quality and technique, does before laying
Quality examination and the arrangement of relevant preparation；
S2: lay primer；The laying of primer mainly includes step:
A. ingredients personnel is led by ingredients technical personnel, feeds intake in strict accordance with proportioning；
B. the plastic material throwing into agitator tank stirs in strict accordance with technological requirement, controls time and mixing speed.The most accurate
The stirring material of next tank standby, in noting to waste material and noting each tank tank, the cleaning of clout, keeps dispensing scene
Cleaning, and take care；
C. after plastic material is stirred, machinery personnel starts transporting forklift and agitator tank is transported to the scene of laying, in transport
Take care and prevent material from not overflowing and spread out；
D., after material-conveying vehicle arrives laying scene, accept the commander of person in charge of the technology aspect, material is paved equably
Fix on the basis of standard batten, after toppling over, be rapidly returned to dispensing place, prepare transport next time；
E. laying personnel is led by person in charge of the technology aspect, and after material-conveying vehicle drives away, laying personnel starts to lay, and strictly presses
The quasi-batten of sighting target is laid, and is checked the plastic material just laid by quality control supervisor simultaneously, and main inspection laying depth is laid flat
Pingdu is connect between whole degree and the glue of laying and batten.If there being defective position to repair in time after laying, it is to avoid after
Refinishing, during laying, person in charge of the technology aspect commands omnibearing operation, and the scene of laying keeps cleaning, it is to avoid unnecessary waste；
F. after knocking off, general workman clears up job site, and various materials are well placed with machinery, instrument, technician, quality prison
The person of superintending and directing, materialman, security official, compounder, machinery personnel's entirety report darg situation to person in charge of the technology aspect, and technology is responsible for
People collates the minutes；
G., after primer construction, whole audience inspection and cleaning are carried out.
S3: lay clean plasm layer；The laying of clean plasm layer mainly includes step:
A. clean plasm layer is that two-component polyurethane adhesive starches (1:2) (without micelle and powder-granule material), and thickness is 1.8-2.2mm, base
Material is laid after meeting the requirements after testing, and (this process can make substrate surface from knot stricture of vagina clean plasm material to be i.e. coated with one layer at substrate surface
Producing micropore, be allowed to the bonding with surface layer and more firmly and form one) burden process is in strict accordance with the work of corporate policy
Process flow performs, and after stirring, adds in material bin；
B. by start button, regulation variable-speed motor handwheel regulation material pump discharge, rotating speed is at 100-150r/min；
C. technician and quality control supervisor check, after the whole audience does not has any quality problems, next step operation of ordering goes into operation.
S4: lay flower pulp layer；Top layer double-component special type starch adhesive is prepared by 1:2 requirement, mats formation surface layer with special equipment,
Can form its surface anti-skidding, wear-resisting texture before this layer of whole polyester rubber cement is fully cured, its skidproof effect fully achieves state
The standard of the border track and field association；
S5: painting area rule line；The laying of place rule line mainly includes step:
A., after surface construction, place is carried out high-volume in strict accordance with up-to-date International Track and Field Association's line position rule.
B. determining the distance between radius point, be accurate to more than gauged distance 5mm, standard steel ruler is considered as drawing of standard steel ruler
The chi of power, the temperature difference and steel ruler is poor；Diastimeter should be taken into account the temperature difference.
The most high-volume straight line theodolite, high-volume camber line standard steel ruler, within accuracy to size is 0.5mm, steel ruler is taken an examination
Consider the temperature difference, chi difference and pulling force.
D. after each point bit line is high-volume good, determine no problem after start to spray line.
Compared with prior art, the invention has the beneficial effects as follows: the present invention is novel from tying stricture of vagina runway with sport biomechanics
For foundation, it is designed with the closed pore microvesicle elastic interlayer of uniqueness, joint each to human body when athlete's step lands can be slowed down and produce
Raw impulsive force, can make again human body obtain kinetic energy the most forward.The impact being fully achieved the up-to-date promulgation of International Track and Field Association is inhaled
The up to standard of yield requires 35%-50%, for domestic original creation cast-in-place type specialty track elements.(2) the product use of changing over
EPDM (or PU) granule, as the traditional handicraft of skid resistant surface, has reached not fall an effect, meets athletic ground and uses frequency
Height, uses the feature that intensity is big.(3) texture of concave-convex surface is uniform, and coefficient of friction is consistent, color is stably full of texture, line paint
Texture is strong, and difficult drop-off is wear-resisting, greatly reduces maintenance cost, conventional the newest.
Detailed description of the invention
Below the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment
It is only a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, the common skill in this area
The every other embodiment that art personnel are obtained under not making creative work premise, broadly falls into the model of present invention protection
Enclose.
The present invention provides a kind of technical scheme: make the technical scheme of this patent further below in conjunction with detailed description of the invention
Explain.
A kind of construction technology from knot stricture of vagina runway, the described stricture of vagina runway of knot certainly includes from tying stricture of vagina mixing primer, from tying stricture of vagina clean plasm
Layer and certainly knot stricture of vagina flower pulp layer, the described raw material from knot stricture of vagina runway includes special urethane rubber cement, special addition agent, black granule, Buddha's warrior attendant
Husky arogel slurry, black granule, catalyst and diluent, and their weight ratio is (100-200): (50-100): (80-140):
(30-50): (60-120): (3-7): (3-7).
A kind of from tying the construction technology of stricture of vagina runway, its construction technology includes below scheme:
S1: the detection on basis, finishing；The flatness on in-site measurement basis, the gradient, on the basis of the straight bent demarcation line of runway
Line, straight way transversely marks a point with longitudinally every 3m, and bend is point on the basis of the center of circle, does unwrapping wire with every 5 degree of theodolite, every 3 meters
Marking a point, be put in by 3m ruler between any adjacent 2 and measure with clearance gauge, local maxima recess is conjunction less than 3mm
Lattice point, more than 3mm for not conforming to lattice point, it is qualified that whole audience measuring point qualification rate reaches 85%, is good more than 94%, more than or equal to 95%
For excellent.Level gauge detection axis absolute altitude and respectively control datum mark (relatively), if meet the requirement of International Track and Field Association's handbook,
Cross fall cannot be greater than 1%, and head fall cannot be greater than 0.1%, simultaneously for ensureing laying quality and technique, does before laying
Quality examination and the arrangement of relevant preparation；
S2: lay primer；The laying of primer mainly includes step:
A. ingredients personnel is led by ingredients technical personnel, feeds intake in strict accordance with proportioning；
B. the plastic material throwing into agitator tank stirs in strict accordance with technological requirement, controls time and mixing speed.The most accurate
The stirring material of next tank standby, in noting to waste material and noting each tank tank, the cleaning of clout, keeps dispensing scene
Cleaning, and take care；
C. after plastic material is stirred, machinery personnel starts transporting forklift and agitator tank is transported to the scene of laying, in transport
Take care and prevent material from not overflowing and spread out；
D., after material-conveying vehicle arrives laying scene, accept the commander of person in charge of the technology aspect, material is paved equably
Fix on the basis of standard batten, after toppling over, be rapidly returned to dispensing place, prepare transport next time；
E. laying personnel is led by person in charge of the technology aspect, and after material-conveying vehicle drives away, laying personnel starts to lay, and strictly presses
The quasi-batten of sighting target is laid, and is checked the plastic material just laid by quality control supervisor simultaneously, and main inspection laying depth is laid flat
Pingdu is connect between whole degree and the glue of laying and batten.If there being defective position to repair in time after laying, it is to avoid after
Refinishing, during laying, person in charge of the technology aspect commands omnibearing operation, and the scene of laying keeps cleaning, it is to avoid unnecessary waste；
F. after knocking off, general workman clears up job site, and various materials are well placed with machinery, instrument, technician, quality prison
The person of superintending and directing, materialman, security official, compounder, machinery personnel's entirety report darg situation to person in charge of the technology aspect, and technology is responsible for
People collates the minutes；
G., after primer construction, whole audience inspection and cleaning are carried out.
S3: lay clean plasm layer；The laying of clean plasm layer mainly includes step:
A. clean plasm layer is that two-component polyurethane adhesive starches (1:2) (without micelle and powder-granule material), and thickness is 1.8-2.2mm, base
Material is laid after meeting the requirements after testing, and (this process can make substrate surface from knot stricture of vagina clean plasm material to be i.e. coated with one layer at substrate surface
Producing micropore, be allowed to the bonding with surface layer and more firmly and form one) burden process is in strict accordance with the work of corporate policy
Process flow performs, and after stirring, adds in material bin；
B. by start button, regulation variable-speed motor handwheel regulation material pump discharge, rotating speed is at 100-150r/min；
C. technician and quality control supervisor check, after the whole audience does not has any quality problems, next step operation of ordering goes into operation.
S4: lay flower pulp layer；Top layer double-component special type starch adhesive is prepared by 1:2 requirement, mats formation surface layer with special equipment,
Can form its surface anti-skidding, wear-resisting texture before this layer of whole polyester rubber cement is fully cured, its skidproof effect fully achieves state
The standard of the border track and field association；
S5: painting area rule line；The laying of place rule line mainly includes step:
A., after surface construction, place is carried out high-volume in strict accordance with up-to-date International Track and Field Association's line position rule.
B. determining the distance between radius point, be accurate to more than gauged distance 5mm, standard steel ruler is considered as drawing of standard steel ruler
The chi of power, the temperature difference and steel ruler is poor；Diastimeter should be taken into account the temperature difference.
The most high-volume straight line theodolite, high-volume camber line standard steel ruler, within accuracy to size is 0.5mm, steel ruler is taken an examination
Consider the temperature difference, chi difference and pulling force.
D. after each point bit line is high-volume good, determine no problem after start to spray line.
The present invention novel knot certainly stricture of vagina runway, with sport biomechanics as foundation, is designed with the closed pore microvesicle elastic clip of uniqueness
Layer, can slow down the impulsive force that joint each to human body when athlete's step lands produces, can make again human body obtain continually to
Front kinetic energy.The up to standard of impact absorbing rate being fully achieved the up-to-date promulgation of International Track and Field Association requires 35%-50%, existing for domestic original creation
Field casting type specialty track elements.(2) product is changed over and as the traditional handicraft of skid resistant surface, is reached with EPDM (or PU) granule
To not falling an effect, meet athletic ground and use frequency high, use the feature that intensity is big.(3) texture of concave-convex surface is equal
Even, coefficient of friction is consistent, color is stably full of texture, line paint texture is strong, difficult drop-off, wear-resisting, greatly reduces maintenance cost,
Conventional the newest.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, permissible
Understand and these embodiments can be carried out multiple change without departing from the principles and spirit of the present invention, revise, replace
And modification, the scope of the present invention be defined by the appended.
Claims (4)
1. one kind from the construction technology tying stricture of vagina runway, it is characterised in that: described include from tying stricture of vagina mixing primer, certainly from knot stricture of vagina runway
Knot stricture of vagina clean plasm layer and from knot stricture of vagina flower pulp layer, described from knot stricture of vagina runway raw material include special urethane rubber cement, special addition agent, black
Grain, Buddha's warrior attendant sand arogel slurry, black granule, catalyst and diluent, and their weight ratio is (100-200): (50-100): (80-
140): (30-50): (60-120): (3-7): (3-7).
2. the construction technology from knot stricture of vagina runway as claimed in claim 1, it is characterised in that: from the construction work tying stricture of vagina runway
Skill includes below scheme:
S1: the detection on basis, finishing；The flatness on in-site measurement basis, the gradient, line on the basis of the straight bent demarcation line of runway,
Straight way transversely marks a point with the most every 3m, and bend is point on the basis of the center of circle, does unwrapping wire, every 3 meters of marks one with every 5 degree of theodolite
Individual, 3m ruler is put between any adjacent 2 and measures with clearance gauge, local maxima recess is qualified less than 3mm
Point, more than 3mm for not conforming to lattice point, it is qualified that whole audience measuring point qualification rate reaches 85%, is good more than 94%, more than or equal to 95% is
Excellent.Level gauge detection axis absolute altitude and respectively control datum mark (relatively), if meet the requirement of International Track and Field Association's handbook, horizontal
Cannot be greater than 1% to the gradient, head fall cannot be greater than 0.1%, simultaneously for ensureing laying quality and technique, does matter before laying
Amount checks and the arrangement of relevant preparation；
S2: lay primer；The laying of primer mainly includes step:
A. ingredients personnel is led by ingredients technical personnel, feeds intake in strict accordance with proportioning；
B. the plastic material throwing into agitator tank stirs in strict accordance with technological requirement, controls time and mixing speed.Under preparing simultaneously
The stirring material of one tank, in noting to waste material and noting each tank tank, the cleaning of clout, keeps cleaning by dispensing scene,
And take care；
C. after plastic material is stirred, machinery personnel starts transporting forklift and agitator tank is transported to the scene of laying, transport notes
Safety and prevent material overflow spread out；
D., after material-conveying vehicle arrives laying scene, accept the commander of person in charge of the technology aspect, material is paved equably and is fixing
On the basis of standard batten, after toppling over, it is rapidly returned to dispensing place, prepares transport next time；
E. laying personnel is led by person in charge of the technology aspect, and after material-conveying vehicle drives away, laying personnel starts to lay, in strict accordance with mark
Quasi-batten is laid, and is checked the plastic material just laid by quality control supervisor simultaneously, and main inspection laying depth lays flatness
And lay glue and batten between connect Pingdu.If having defective position to repair in time after laying, it is to avoid to repair the most again
Whole, during laying, person in charge of the technology aspect commands omnibearing operation, and the scene of laying keeps cleaning, it is to avoid unnecessary waste；
F. after knocking off, general workman clears up job site, and various materials and machinery, instrument are well placed, technician, quality control supervisor,
Materialman, security official, compounder, machinery personnel's entirety report darg situation to person in charge of the technology aspect, and person in charge of the technology aspect is whole
Reason record；
G., after primer construction, whole audience inspection and cleaning are carried out.
S3: lay clean plasm layer；The laying of clean plasm layer mainly includes step:
A. clean plasm layer is that two-component polyurethane adhesive starches (1:2) (without micelle and powder-granule material), and thickness is 1.8-2.2mm, and base material spreads
If after meeting the requirements after testing, (this process can make substrate surface produce from knot stricture of vagina clean plasm material to be i.e. coated with one layer at substrate surface
Micropore, is allowed to the bonding with surface layer and more firmly and forms one) burden process is in strict accordance with the technique stream of corporate policy
Cheng Zhihang, after stirring, adds in material bin；
B. by start button, regulation variable-speed motor handwheel regulation material pump discharge, rotating speed is at 100-150r/min；
C. technician and quality control supervisor check, after the whole audience does not has any quality problems, next step operation of ordering goes into operation.
S4: lay flower pulp layer；Top layer double-component special type starch adhesive is prepared by 1:2 requirement, mats formation surface layer with special equipment, at this
Layer whole polyester rubber cement can form its surface anti-skidding, wear-resisting texture before being fully cured, and its skidproof effect fully achieves international field
The standard of connection；
S5: painting area rule line；The laying of place rule line mainly includes step:
A., after surface construction, place is carried out high-volume in strict accordance with up-to-date International Track and Field Association's line position rule.
B. determine the distance between radius point, be accurate to more than gauged distance 5mm, standard steel ruler be considered as standard steel ruler pulling force,
The chi of the temperature difference and steel ruler is poor；Diastimeter should be taken into account the temperature difference.
The most high-volume straight line theodolite, high-volume camber line standard steel ruler, within accuracy to size is 0.5mm, steel ruler is considered as temperature
Difference, chi difference and pulling force.
D. after each point bit line is high-volume good, determine no problem after start to spray line.
It is the most according to claim 1 and 2 a kind of from the construction technology tying stricture of vagina runway, it is characterised in that: described black granule
A diameter of 2-3mm.
It is the most according to claim 1 a kind of from the construction technology tying stricture of vagina runway, it is characterised in that: described from the bottom of knot stricture of vagina mixing
Glue includes that three-decker, ground floor and third layer are special urethane mucilage layer, and are folded with between ground floor and third layer
Black granular layer, the thickness of the described three-decker from knot stricture of vagina mixing primer is between 8-10mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610556078.0A CN106223160A (en) | 2016-07-15 | 2016-07-15 | A kind of from the construction technology tying stricture of vagina runway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610556078.0A CN106223160A (en) | 2016-07-15 | 2016-07-15 | A kind of from the construction technology tying stricture of vagina runway |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106223160A true CN106223160A (en) | 2016-12-14 |
Family
ID=57520381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610556078.0A Pending CN106223160A (en) | 2016-07-15 | 2016-07-15 | A kind of from the construction technology tying stricture of vagina runway |
Country Status (1)
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102140242A (en) * | 2010-11-26 | 2011-08-03 | 山东东大一诺威聚氨酯有限公司 | Polyurethane microsphere modified surface-spraying material for plastic runway with self-formed lines |
| GB2521873A (en) * | 2014-01-07 | 2015-07-08 | Traffipave Ltd | Surface dressing of ground |
| CN104831600A (en) * | 2015-05-29 | 2015-08-12 | 广州市盛邦康体场地材料有限公司 | Non-water-seepage type self-grained plastic track |
| CN204940061U (en) * | 2015-09-06 | 2016-01-06 | 广州市柏奥体育场地设施工程有限公司 | From the hybrid runway of knot line |
| CN105625140A (en) * | 2015-12-21 | 2016-06-01 | 广州机施建设集团有限公司 | Construction method for air-permeable and water-drainage self-grained composite plastic track |
-
2016
- 2016-07-15 CN CN201610556078.0A patent/CN106223160A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102140242A (en) * | 2010-11-26 | 2011-08-03 | 山东东大一诺威聚氨酯有限公司 | Polyurethane microsphere modified surface-spraying material for plastic runway with self-formed lines |
| GB2521873A (en) * | 2014-01-07 | 2015-07-08 | Traffipave Ltd | Surface dressing of ground |
| CN104831600A (en) * | 2015-05-29 | 2015-08-12 | 广州市盛邦康体场地材料有限公司 | Non-water-seepage type self-grained plastic track |
| CN204940061U (en) * | 2015-09-06 | 2016-01-06 | 广州市柏奥体育场地设施工程有限公司 | From the hybrid runway of knot line |
| CN105625140A (en) * | 2015-12-21 | 2016-06-01 | 广州机施建设集团有限公司 | Construction method for air-permeable and water-drainage self-grained composite plastic track |
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Application publication date: 20161214 |