How to solve the problem of icy roads in winter

Clear the snow in a timely manner, or use a deicing agent.

The solution to the problem of icy roads in winter is not to allow water and snow to accumulate on the roads.

This is still a global problem, and there is no good solution.

Pavement icing is mainly prevented, and many of them are caused by backwater caused by sewer blockage, which should be detected and cleaned up as soon as possible. For the road surface that has formed ice, it is recommended to organize sanitation workers to clean it up in a surprise manner, or sprinkle some snow melting agent, and set up a warning sign where necessary.

In winter, when the road surface is icy, there are usually only three methods: shoveling ice, sprinkling salt, and waiting for the temperature to warm up.

Pavement icing and salt are sprinkled, which is a physicochemical problem, that is, the freezing point of the solution is lower than that of pure solvent (water). The freezing point refers to the temperature at which the vapor pressure of the solid phase of the pure solvent of the substance is equal to the vapor pressure of its liquid phase, and the freezing point of pure water is 0 degrees, at which the vapor pressure of water and ice is equal. However, at 0 degrees, the vapor pressure of the aqueous solution containing salt is lower than the vapor pressure of pure water, so the aqueous solution will not freeze at 0 degrees, and it will only be possible to freeze if the temperature is continued to be reduced, so this principle can be used to prevent the water on the road from freezing, and for example, the cooling water of the car radiator is often added with an appropriate amount of ethylene glycol or glycerin, which can prevent the water from freezing in winter.

Tips: Because the road surface is icy, many people will send the ice at the door when they go out and subconsciously shovel the ice, but when shoveling the ice, you need to bow down hard, the center of gravity is unstable, and it is easy to fall. If the ice is severe, you can collect some newspapers from home to make a way and sprinkle salt on the newspapers to prevent the risk of falling from ice shoveling.

Generally, at the beginning of winter, the temperature is low, but the ground temperature is still relatively high, and the snow will melt on the road, and in the early morning, the temperature will drop again, so it will freeze.

Snow melts, it takes a lot of heat, and compared to the bridge deck, the road surface is directly connected to the earth, so the weather is very cold, but it is difficult for the temperature of the land to drop, which means that the temperature of the land is generally higher than the air. Therefore, compared to the bridge deck exposed to air, the pavement is more likely to absorb heat and melt.

Road Ice Defense Guide.

1. The relevant emergency response department is ready to start the emergency plan at any time.

2. Close icy road traffic when necessary.

3. Industrial salt can be sprinkled on icy roads to increase the melting rate of ice.

Orange warning signal for other icy roads on the same road.

The cooling of the bridge deck is down and down, and the cooling of the road surface is the cooling of the top, so the cooling speed of the bridge deck is faster than that of the road surface, and the bridge deck is easy to freeze first. This situation is very dangerous on the road, because of this, there is generally a speed limit before going on the bridge, and if you know how to obey it, the probability of an accident on the bridge deck will be greatly reduced.

Because of the accumulation of water on the road surface, the water will appear solid at low temperatures.

How to deal with road icing:

1. Deicing agent de-icing, if the ground is icy and affects travel, you can melt the ice by sprinkling the snow melting agent on the ground. Once the snow and ice have melted, the snow and ice can be quickly cleared. This is one of the more commonly used methods of de-icing and snowing.

2. Sprinkle salt to de-ice, or you can also sprinkle salt on the ground to melt the ice on the ground. Just sprinkle a light layer of salt and let it sit for about fifteen minutes to quickly melt the ice, which can then be easily removed.

3. Hot water de-icing, you can also de-ice by pouring hot water on the ice. This method can easily melt the ice, but it is important to de-ice the ice quickly when it melts to prevent the melted ice water from condensing again.

If the ground temperature is below 0, there will be snow or ice on the road.

Road icing tends to occur during the period from November to April of the following year (i.e. winter and early spring). The northern region of our country.

Especially in the Northeast.

and northern Inner Mongolia, where roads are often icy. And the southern region of our country.

Snowfall is generally "wet snow", often belongs to the mixed state of water of 0 4, it will become an ice water slurry paste when it lands, and when the temperature drops at night, it will solidify into a large piece of ice, as long as the minimum temperature in the local winter is lower than 0, there may be road icing, as long as the temperature does not rise enough to thaw the ice, it will always be as solid as a rock.

Generally speaking, in the cold winter wax moon, when there is a wide range of strong cold air activities that cause the temperature to drop (meteorologically called cold wave).

, if accompanied by rain and snow, the road is most likely to become icy.

How to deal with road icing:

1. Spread snow melting agent, spread chemical agents on the road surface to reduce the melting point of ice and snow and make the ice and snow melt.

2. Manual removal, suitable for ice and snow removal when the amount of snow is small or in key difficult sections.

3. Spreading sand and gravel, spreading sand and gravel materials with a certain particle size can improve the friction coefficient of ice and snow pavement.

4. Mechanical removal, mechanical shoveling of ice and snow is suitable for large-scale removal operations before the amount of snow is large and the ice is frozen.

Before driving, you should clear the road, shovel the snow, and sprinkle salt on the road to prevent skidding.

You can sprinkle a little salt to make the ice melt faster, and it is usually used this method when the streets are frozen or snowing. You can give it a try.

The quickest solution to icy roads is to sprinkle salt.

Sprinkle dirt on the ice and you're good to go.

Most cities sprinkle salt on icy roads.

Spreading snow melting agent is a method of reducing the melting point of snow and ice by spreading chemicals on the road surface, melting the snow and ice, and then removing snow and ice accumulation.

Snow melting agent, as the name suggests, is a chemical that can reduce the melting temperature of snow and ice. The raw materials of ordinary snow melting agent are easy to obtain, ** inexpensive, and their ingredients are mainly potassium acetate and chloride salt, and they are classified by these two.

The snow melting agent melts the snow on the road by reducing the melting temperature of the ice and snow, which is convenient for road dredging, and the effect of spreading is obvious, but it is harmful, and the study has found that the snow melting agent residue can corrode the road surface and automobile rubber tires. At present, in the north, sand and snow plows are still mainly used in normal winter, supplemented by snow melting agents, to remove ice and snow on the road surface to ensure smooth traffic.

If the road is icy, it should be de-iced with a snow melting agent.

If the ground freezes and it interferes with travel, you can melt the ice by sprinkling snow melt on the ground. Once the snow and ice have melted, the snow and ice can be quickly cleared. This is one of the more commonly used methods of de-icing and snowing.

You can sprinkle it on the ground, some salt can melt the ice, or you can take a shovel and shovel the ice.

If the road is icy due to the weather, this can be done, and an anti-skid treatment on the tires can also be done. You can also go for an ablation of the road.

You can sprinkle some salt. Table salt helps the road to melt the ice, or if you sprinkle some small gravel on it, it is also non-slip.

Sprinkle salt, salt has the effect of adsorbing water.

First of all, the adhesion coefficient of the road surface in winter is very low, the wheels are easy to slip, and the driving risk is greater, so the speed should be lower to ensure driving safety. Travel at a steady speed, prevent too fast, and avoid sudden acceleration. When acceleration or deceleration is required, the throttle should be pressed or released slowly to prevent the drive wheels from slipping due to sudden acceleration or deceleration.

Secondly, driving on ice and snow roads is prone to rear-end collisions, and it is necessary to increase the driving distance, which is 4-5 times larger than when the road is dry and snowless. The resistance on snow is minimal, only a quarter of that of dry asphalt. If you are too close to the car, it is difficult to stop the car for a short distance.

Once an accident occurs, it is easy to cause a rear-end collision. Generally, it should be more than twice the normal driving distance of the car in front. When braking with your feet, you should use the point brake method, that is, gently press and lift lightly, and do not step on it to death.

Cars without ABS should pay special attention to prevent side skidding. Thirdly, after the snow melts, it will freeze again, and the road surface will be smoother. The wheels slip when the car is moving, and it is easier to slip when braking, which makes it difficult for the car to drive and brake.

In order to ensure driving safety, the speed should be controlled within the safe speed. Fourth, when driving on a road with deep snow, follow the ruts of the car in front of you, as the car in front has compacted the soft snow to prevent you from falling into deep snow. Fifth, try to avoid overtaking on ice and snow roads.

First, it is not suitable for acceleration on ice and snow roads. Second, when clearing snow on the road, the snow on the roadside is piled up to narrow the road surface. These are all factors that are not conducive to overtaking.

When you really need to overtake, you have to choose a wide, flat section with less snow and ice. Be sure not to force overtaking, do not turn around immediately if you overtake the car in front of you, and try to leave a safe distance to be overtaken. Sixth, if you find that the tires have been frozen on the ground at the beginning, you should first use a pickaxe to dig out the snow, ice, and soil around the tires to prevent damage to the tires and transmission parts.

If the drive wheel slips, remove the ice and snow under the wheel, and sprinkle some dry sand, cinder, firewood and other things under the drive wheel to improve adhesion. When driving, pay special attention to avoid ice and snow on curves. When you can't avoid the ice and snow roads, slow down and pass early.

After the speed of the vehicle drops, make a big turn and turn slowly. Don't make sharp turns, and don't brake or put in neutral in corners. Eighth, try to choose an empty ground without ice and snow when parking, and tighten the handbrake gear.

When you need to park on ice and snow, you should choose a sunny, sheltered, flat and dry place to park, and do not go near buildings, power poles or other vehicles to prevent sideslip collisions. If you must stop on a ramp, put the handbrake in gear, tighten it, and fill it with triangles, stones, etc. to prevent the car from sliding off the slope.

**It is also important to note that due to snowfall, especially the low temperature after rain and snow, snow is easy to form on the ground from night to early morning.

Millions of car purchase subsidies.

1. Use antifreeze to prevent freezing.

Antifreeze is a kind of coolant containing special additives, mainly used in liquid-cooled engine cooling system, antifreeze has excellent properties such as antifreeze in winter, boiling in summer, waterproof scale and anti-corrosion throughout the year.

The freezing point of water is 0, and the general antifreeze can reach -40, while the high-quality antifreeze should be able to reach about -60, which is an important indicator for calibrating the quality of antifreeze.

2. Installing an antifreeze pump can prevent water from freezing.

Two antifreeze pump devices are installed at the bottom of the pond at the Daning Management Office, the first station of the middle line of the South-to-North Water Diversion Project to enter Beijing, which can stir the water surface to prevent freezing. Even at minus 5 degrees Celsius, the water surface in the Daning pressure regulating tank is rippling and there is no freezing.

3. The use of kaempferol-7-o-glucoside can prevent water freezing.

When the temperature drops below zero degrees Celsius, the water condenses into micro-Xiaoice nuclei, and with the ice core, water molecules can be arranged on its surface in a certain pattern to form ice crystals.

The research team of Kiyozo Fujikawa, a professor at Hokkaido University, found that the tissues of trees grown in cold regions do not freeze even in low-temperature environments. The tissue components of these trees were extracted and analyzed, and it was found that kaempferol-7-o-glucoside prevented the formation of ice nuclei. Only kaempferol-7-o-glucoside needs to be added to the water, and the water temperature will not freeze when it drops to minus 10 degrees Celsius.

4. Sprinkle salt on wet roads to prevent freezing.

In order to prevent dangerous situations and accidents caused by icing on the road, highway management and maintenance personnel will throw snow melting agent and industrial salt on the road.

5. The use of anti-ice and snow coatings can prevent icing.

In addition to the important factor of temperature, the surface characteristics of the icing surface, especially the surface energy, the adhesion of the surface to the ice, and the hydrophobicity of the surface have a great influence on the icing phenomenon.

Anti-icing coatings, after being applied to a solid surface, form a thin layer of specially oriented hydrophobic molecular layers on the surface of the material to be protected, which is essentially equivalent to building a separation film between the protected surface and the ice crystals, which can prevent icing.

6. Heating and heat preservation can prevent water from freezing.

The freezing point of water is 0 at standard atmospheric pressure, so freezing water can be prevented by heating and insulating it above freezing.

Also, because the freezing point of seawater is lower than that of freshwater. The freezing point of seawater is closely related to the salinity of seawater. When salinity is reached, the freezing point of seawater is only Therefore, adding salt to the water can also prevent freezing to a certain extent.