highway guardrail pdf

highway guardrail pdf

highway guardrail pdf is used to protect and isolate freeway traffic safety products, and is a necessary guarantee for safe driving of expressways. The highway guardrail pdf prevents the vehicle from driving out of the lane, reduces the injury degree of the driver and protects the side object, and provides safety and safety for the safe and efficient driving of the motorway.

Both sides of the road can prevent the villagers from crossing the highways under the road, especially at some corners and places with limited vision.A car accident is not easy to brake.

In the center of the city road, a highway guardrail pdf is installed in order to prevent the turn of the vehicle, the vehicle will turn the head and block the traffic, and the accident is easy to occur. There are some drivers who do not turn the turn of the turning light directly, and the guardrails can not be set at random.

highway guardrail pdf is similar to the vegetation color on both sides of the road, which makes drivers feel relaxed and pleasant, and different colors of scenery will make drivers feel tired.

The highway guardrail pdf will alert the driver and hang some warning signs to remind drivers not to overspeed and to pay attention to traffic safety.

The highway guardrail pdf is the most important transportation infrastructure. The expressway in China developed from 80s. The wave beam steel guardrail plays an important role in the development of the national economy and the society. It is an important maintenance and safety protection facility for the expressway.

highway guardrail pdf generally refer to beam guardrails. The guardrail is supported by a fixed beam structure, which resists vehicle collision by bending deformation and tensile force of the guardrail. According to different structures, beam guardrail can be divided into wave beam guardrail, pipe beam guardrail, box beam guardrail and so on. It has a certain stiffness and toughness, through the deformation of the beam to absorb the impact energy, damaged parts easy to replace, with a certain line of sight induction, beautiful appearance. The application of corrugated beam guardrail is the most widely used from home and abroad.

highway guardrail wiki

In the mid 80s of last century, China carried out a study on the form of guardrail and anti-collision performance. First, it analyzed the applicability of various guardrails from the performance, safety, landscape effect, weather conditions and economy of guardrails, and put forward the form of shovel which was suitable for the highway in China. Then, the modal analysis of the physical guardrail and the pendulum impact test, the modal analysis and the failure test of the model barrier, and the computer simulation of the collision between the car and the wave beam guardrail are carried out. Through a series of experiments, a reasonable structure of wave beam guardrail suitable for Expressway in China is put forward.

highway guardrail pdf

highway guardrail pdf generally refers to the cement concrete guardrail. This is a concrete wall guardrail with a certain cross-section shape, which absorbs energy by climbing, deformation and friction. The variable cross section rigid guardrail allows the runaway vehicle to climb up the slope of the guardrail to buffer the collision force and change the direction of the vehicle without obvious deformation of the guardrail. Rigid guardrail will not be damaged when it collides, it will hardly be damaged, and the maintenance cost is very low, but it has a sense of oppression on the vehicle. Concrete guardrail is mostly used in central dividers, and roadside guardrail is less applied.

highway guardrail suppliers in china

The vehicle, non motor vehicle and pedestrian traffic are separated by traffic guardrails. The road is divided longitudinally on the cross section so that the motor vehicles, non motor vehicles and pedestrians are separated. The safety of the road traffic is improved and the traffic order is improved.

Separation function: make the flow of people and traffic flow according to the design direction, exercise their own ways and avoid congestion.

Barrier function: traffic barriers will block bad traffic behavior and block pedestrians or bicycles or motor vehicles trying to cross the road. It requires a certain height of the guardrail, a certain density (refers to the distance between the vertical hurdles), and a certain intensity, so as to prevent strong winds and rubbing from damaging the guardrails.

Warning function: through installation to make the fence outline simple and quick, warn the driver to pay attention to the existence of guardrail and pay attention to pedestrians and non motor vehicles, so as to prevent the occurrence of traffic accidents.

Beautiful function: through the guardrail's different material, the different form, the different modelling and the different color, achieves with the road environment harmonious and the coordination.

The effect of reflection: because of the use of the welding of the 45 degree angle of the S palisade, the angle of the reflective film is changed. When the vehicle is driving at night, under the light of the car, the plane of the reflective film of the Beijing type protective fence is right for the driving vehicle, making the reflective film achieve the best reflective effect.

highway guardrail