New technologies of road marking
Ensuring the safety and driving comfort, reducing the number of traffic accidents. Develop road signs to warn cyclists. Use of multicomponent polyurea labeling technology for motorway coatings. Increased durability of retro-reflection of road markings.
| Рубрика | Транспорт |
| Вид | статья |
| Язык | английский |
| Дата добавления | 19.02.2019 |
| Размер файла | 13,3 K |
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Vladimir state University named after A. G. and N. G. Stoletovs
(Владимирский государственный университет имени А.Г. и Н.Г. Столетовых)
New technologies of road marking
(Новые технологии разметки автомобильных дорог)
Novikov D.V. (Новиков Д. В.)
Vladimir, Russia
(Владимир, Россия)
Introduction
Road construction is one of the most important sectors of the economy. The development of road infrastructure affects the state of all industrial sectors of the economy. For owners of personal transport modern, comfortable way with highquality fabric covering and a competent, user-friendly layout means not only fast achieve the ultimate goal of travel, but also the safety of the vehicle chassis
Modern, high-quality engineering and proper construction of roads, contrary to popular belief, is quite a complex engineering process requiring the appropriate construction professionals and use of high-tech construction equipment. However, just to build a strong the road is not enough. To provide drivers the convenience of driving and reduce accidents on the road should be applied to competent, highly visible in all weather conditions and at any time of day, road markings.
New technologies of road marking
Road marking manufacturers have many innovative new products either currently being used on major highways or set to be made available within the next couple of years One innovation involves painting road markings with glow-in-the-dark paint. Currently being tested in laboratory conditions, the glow-in-the-dark paint road markings will be tested along a short stretch of provincial road in the Netherlands. road motorway safety coating
The strontium aluminate chemical element in the developmental glow-in-the dark paint road markings, which allows atoms in the paint to emit light more slowly over time.
While putting glow-in-the-dark paint on existing urban and rural road markings would have an initial cost, long-term savings could be found through the removal of road signs and markings that require costly electric-powered lighting to be visible at night.
Representatives from Nordic and African countries had expressed great interest in the glow-in-the-dark paint road markings and, next year, the fully tested markings are due to be piloted in the world's second most populated country
The snowflake-shaped warning signs would be best suited to small yet potentially dangerous stretches of road, such as to warn cyclists looking to make a turn at traffic intersections, and motorists approaching highway viaducts. The patterns change from being transparent to colour when sections of the road become cold, warning that they could be slippery due to the presence of ice.
Company has introduced 3M Liquid Pavement Marking Series 5000, representing the next generation of plural-component polyurea liquid pavement marking technology. With its advanced product formulation, 3M Liquid Pavement Marking Series 5000 is said to offer extended durability, maximum visibility, easy application and an ultra-fast cure time. Series 5000 is engineered for marking longlines, channelising lines, gore markings and intersection markings on all common road surface types.
With tough, wear-resistant polymers, 3M claims that Series 5000 has the best dimensional stability of any plural-component product on a wide variety of substrates. It is said to demonstrate excellent adhesion, superior stability and resistance to discoloration. Series 5000 is also said to have outstanding colour stability and is available with versatile optics package configurations, including wet-reflective options for all-weather performance.
Series 5000 features a low viscosity, making it easy to pump, pour and apply, and it can be applied at temperatures as low as 30°F. It is said to have the fastest cure time of any plural component product and is track-free in less than two minutes over the entire application temperature range. Like all 3M pavement markings, Series 5000 is backed by 3M's technical and customer service
PROMAX has developed the SP60 factory: a new, upgraded, cost-efficient manufacturing system for pre-formed thermoplastic road markings. The Danish firm said that its SP60 can manufacture up to 1,200 ready-made thermoplastic sheets over an eight-hour period with a minimum of labour.
To make this output possible, PROMAX has developed a generation of thermoplastic preheaters, said to take temperature controls to a new, higher level. The inner top and bottom surface temperature of the heater are said to be kept equal, without any use of mechanical oil circulation in the transfer oil jacket.
This special featured preheater together with advanced thermoplastic chemistry makes it possible to blend and apply the thermoplastic at the same low temperature. This concept, says Promax, significantly increases production capacity by doing away with wasted time for extra heating requirements and inconvenient cooling of the thermoplastic prior to application. Promax claimed that the SP60 can produce up to 14 metres of thermoplastic sheets each minute.
The thermoplastic sign material contains premix and drop-on glass beads for maintaining the required new and lifetime retro reflection values. During sheet production the system is operating with four preselected colours - and any colour shift can be made during a 10-minute resetting period.
The SP60 comes with an automatic controlled application system, said to provide a perfect surface structure on the final road marking product. Due to the new preheaters and the advanced system for heating and application of reflex and anti-skid material, no further treatment of the thermoplastic road marking is required after application.
PROMAX assist with setting up the required chemical formulations for the thermoplastic material so that it meets the domestic and export requirement.
References
1. http://www.worldhighways.com/categories/road-markings-barriersworkzone-protection/features/all-new-road-markings-on-worlds-highways/
2. http://www.s-sm.ru/main/articles/road-markings/
3. http://newchemistry.ru/letter.php?n_id=5390
4. ODM 218.6.020-2016 guidelines for the installation of road markings
5. GOST R 51256-2011 Technical means of traffic organization. Markings road. Classification. Technical requirements
6. http://snip.g-ost.ru/016.002.005.002/
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