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    Application of road guardrails and reflective traffic signs

    Release time: 2018-05-26Views : Font size: Big Middle Small [Close]

    1. There are not only guardrails on the road, but also traffic signs.

    China's highway engineering technical standards state that "a sign is an important facility for traffic management, and it is divided into warning signs and direction signs, road signs, and paving signs." Therefore, without these signs on the highway, the driver will be blind and disorderly without any information on the road. The results are conceivable. Of course, modern traffic management must be accompanied by guidelines for traffic markings and the command of traffic police. The traffic light guidance, and even the monitoring and control of road monitoring, integrates the entire traffic into a series of management to ensure that vehicles are moving quickly, safely, and in rank.

    Therefore, the sign can be said to be a silent language on the road and one of the road safety protectors. It is a kind of information symbol. It is an important facility of traffic management by graphics, symbols, words, special information management content and behavior rules. It can be erected on the road surface, placed on both sides of the road subgrade, or in a prominent position in the middle zone of the highway. It is also made of different colors and reflective materials, which can display clear various traffic information whether day or night. During the long journey, guide the direction of traffic and where you drive to, and tell you what to do and what you should not do on the road, and whether there are sharp bends, steep slopes, intersections, bridges, tunnels in those places, which are accident-prone areas Those places can be refueled, machine repaired, car washed and parked, and even places for dining, eating, living, and traveling (the highway is generally called a service area. In short, it can make you drive safely and travel smoothly).

    2.The evolution of the logo

    2.1 Materials: The materials of the logo include wood, synthetic resin boards, and water-resistant plywood. In order to save wood, it must also be durable and beautiful. At present, multi-purpose metal materials are warped by strong winds, and are easy to be stolen and improved to become signs. Face and logo combination material. Its bottom plate is extruded and spliced with aluminum alloy thin steel plate material, and then it is spliced with solid parts to form the bottom surface of various sizes. The sign surface can be made of reflective materials, paint, transparent coating of ink adhesive and edge jointing material. This is both stable and prevents theft.

    2.2 type

    The forms of road signs fall into two categories:

    (1) It is fixed. A type of graphic represents a content and is fixed in a position, which is called fixed.

    (2) Variable, mostly used on highways, such as variable speed signs, which are generally circular, and can display different speeds, such as 120, 100, 80, 60 (km / h), etc ... …; There are variable content sign boards, according to some commonly used content that is planned in advance, such as rain and fog weather, driving slowly; construction ahead, pay attention to driving safely; welcome you to XX highway; welcome leaders to come, .... Generally, it is fixed to a certain position or overpass with a frame, which is displayed by the central monitoring room in time according to the needs. The visibility of the sign is clearly visible within 300-400m when driving at night.

    Variable sign boards are usually made of light-emitting diodes. Recently, there are optical fiber products. This type of character displays uniform brightness and does not cause incomplete fonts due to diode damage. It can also easily adjust the brightness of light to adapt to different The external environment, and can make full use of light sources, reducing the advantages of energy consumption (Guangshen Expressway).

    2.3 size

    The size of the signboard has specific requirements in the international GB “Technical Specifications for Road Signs and Markings”

    The surface of the board is generally round and rectangular. Because the driver must see it within a certain distance of 300-500m while driving on the highway, in order to respond, coupled with rain and fog weather, the visibility is poor. Both the size and font size are increasing.

    For example, the diameter of the ban mark was usually 40-60cm, but now it has been increased to 100-120cm.

    用50-55cm,有的还用80cm。 The square sign board is the largest at 450 × 260cm on Guangfo Road, the largest is 400 × 400cm on Jingshi Road, the height of the Chinese characters is 30cm from the original, the maximum is 65cm on the main line, and 50-55cm is used for the interchange sign. Use 80cm.

    At present, China's external traffic is frequent. At present, in the coastal provinces adjacent to Hong Kong and Macao, foreign languages in both Chinese and English are added to the signs. While the Mainland is developing the economy and expanding tourism, this phenomenon has also expanded to some provinces (regions) in the Mainland. .

    2.4 Sign reflective material

    In the past, some glass beads were added to the paint for making signboards to achieve the purpose of reflecting light, but its reflective effect was poor, and it was difficult to adapt to roads with high speed and increased traffic.

    。 At present, reflective films are affixed to signs on grade highways. Generally, economic or engineering-grade reflective films are used on highways; high-strength reflective films are used on first-grade highways and highways, and diamond-grade (grades 1-2) are used on some highways with heavy traffic and rainy and foggy areas. ) Reflective film. This allows the driver to see clear and bright signs within a certain distance, which greatly improves the safety conditions of driving.

    2.5 Warning signs and auxiliary signs are increasing

    、轮廓柱,车流分流合流标志,紧急电话标志,距离确认标志,公路里程标志,报警指示标志等等,这些可帮助司乘人员方便使用,顺利安全行车的目的。 In order to improve and improve driving safety, the types and functions of signs have been increased accordingly, such as guidance signs at sharp bends, road outline signs , fence posts, traffic flow divergence signs, emergency phone signs, distance confirmation signs, highway mileage signs, Alarm indication signs, etc., can help the driver and passengers to use the vehicle conveniently and safely.

    Road outline markings are divided into red and yellow, which are installed on the wave guardrail. Red is set on the edge of the main line, yellow is set on the main line's center divider and the left side of the ramp lane, and the contour posts are generally set on the side of the road without wave guards.

    3. Colorful road signs at home and abroad

    3.1 At present, China's road signs are also developing signs that are erected from the main surface and enter the plane. For example, the commonly used prominent road signs and reflective cat's eyes are mostly used as marking lines. Text signs on the road are gradually increasing, such as speed limits, turns, main lanes, overtaking lanes, lanes where different vehicles should travel, and some guidance signs, such as notice signs before interchanges and toll stations, painted in large letters on On the road, it's very eye-catching and it all works well.

    3.2 Foreign aspects

    1) On the road signs in the prosperous districts of French cities, there are smiling young girls who laugh and haha. It reminds people that there is *** in front of them, which is called "smile sign" locally.

    2) Singapore has painted a tropical "brown bear" on the road sign. It means to the driver that patience should be the most important thing. Don't look at the gas car or hero car. It is called the "brown bear sign".

    3) There are many elephant-shaped signs on the Western European highway, reminding people to fasten their seat belts, and they are called "elephant signs".

    You can also see a puppet sign, showing a puppet policeman, waving a slow-moving flag, called a "puppet sign."

    4) In some parking lots in Denmark, there is a triangle sign with a running thief on it. It tells the driver to lock the door to prevent theft of the car, which is called "theft prevention sign"; "Thief" road sign, a car is painted on the sign, with an iron lock hanging between its tires, truck wheels, cushions, etc.

    5) Some roads in Cairo are marked with grapes, which read "Caution, danger!" Because grape juice means that the road is slippery, it is called "grape road signs".

    Road signs are still under development. For example, in China, the local expressway network and the direction and length of various roads are set up at the entrance of the expressway. Some urban road intersections are erected with maps of nearby streets. There are light box lighting equipment, which greatly facilitates pedestrians and drivers, together with road barriers, to defend us all.

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