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The former is professionally called asphalt pavement, and the latter is called cement concrete pavement.
In fact, the cost of the two cannot be directly compared, mainly depending on the structural level and its thickness. Relatively speaking, the cost of cement concrete is a little higher, the service life is a little longer, maybe you will say why not use cement concrete pavement? In fact, they have their own characteristics, as you can observe, the north has more asphalt pavement, and the south has more cement pavement.
Because there is less water in the north, it is very conducive to asphalt (asphalt is most afraid of water, easy to embrittle and crack when exposed to water), and there is less water in asphalt construction, which is suitable for northern construction. There is a lot of rain in the south, and cement concrete can better adapt.
In addition, the asphalt pavement construction is convenient, suitable for large-scale mechanized construction, there is no health period in the construction, and it can be opened to traffic immediately after construction, which is especially conducive to urban roads with large traffic volume, and after the damage, it is simple and convenient to repair. The noise of the asphalt pavement is small, the dust is good, there is no horizontal seam of cement concrete (that is, the board you said), the driving is comfortable, especially suitable for the highway and the road surface with fast speed.
The strength of cement concrete is high, the construction has a health period, affects the traffic, there are construction joints, it is easy to jump out of the car, and it is troublesome to repair after it is broken, and it is necessary to break it off and repair it again, but his construction technology is mature, and it is mastered by the masses, and the one-time investment is large, and the service life is relatively long, so it is mostly used for rural roads with small traffic volume.
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The latter is expensive and not easy to repair after damage, but the bearing capacity is greater than the former! The service life is greater than the former!
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Asphalt road (i.e. asphalt road) and cement road have their own advantages and disadvantages, but the overall comparison is still good for asphalt road, especially the recent new modified asphalt pavement, which improves the heat resistance of asphalt pavement. Noise and dust reduction, safe and beautiful.
Asphalt road: the advantages are good road conditions, low tire wear, low noise, less dust, more comfortable driving, convenient maintenance and fast speed. The disadvantages are:
The asphalt in the asphalt road is easy to age, and the dark color of the road surface is easy to absorb heat and produce a certain degree of dissolution. However, with modified asphalt, these problems can be solved to a certain extent.
The cement road has high hardness, high pavement strength, good stability and long service life. However, there are many seams, and the car will feel hard when walking on it, and some small defects on the road surface will give people a relatively strong vibration feeling. The driving noise is large, the dust is greater than the asphalt road, and the construction period of maintenance is long.
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The most annoying thing about people living in the countryside is rainy days, when it rains, they will be covered with mud. The people in the village will find a way to repair the road with some money from one person. After thinking about a good road, you don't have to worry about how to get around on a rainy day, and the end result is to choose to build a concrete road.
The peasants don't have much money in their hands at all, so they can't come up with the extra money to get asphalt roads, so if they have to force the peasants to take the money, they are forcing the other party to pay for the old money. <>
The asphalt road is actually not strong, and once a large car passes by, the road will be damaged. Pebbles can detach from the original road and may cause potholes. On a rainy day, if a car passes by, it will be dusty and splashed all over your body.
No one wants to suffer the same pain on a rainy day, and they definitely don't want to build such a road. Although there will be some small cracks in the cement road, it will not affect the normal use at all. <>
One of the best advantages of asphalt roads is that they can absorb shocks on the road, which is very clear to drivers who drive. If a large truck passes by, it will be very quiet to walk on the asphalt road. It will act as a certain buffer when climbing the slope, and it will not have a certain impact on yourself at all.
When everyone is driving and walking, of course, if they want to have some good feelings, they will build such roads at this time. <>
In general, once the rural areas want to build roads, they still have to choose to build cement roads. Cement roads have a good advantage, that is, the water resistance will be stronger, and there will be no problems when soaked in water for a long time. If it is exposed to high temperatures, the cement road will also have an anti-aging effect.
After it is built, it can be used for a few years, and there is absolutely no problem. If it is an asphalt road, it will not take a year or two to break down and have to be repaired again. Since it costs the same amount of money, it is necessary to find the best way, and the farmers can boldly try to build cement roads.
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If you compare the cement road with the asphalt road, the asphalt road should be stronger, the difference is that the production method is different, the stability of driving is different, and the subsequent modifications are different.
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Cement pavement is stronger than asphalt pavement. The difference is that the materials are different, the difficulty of construction is different, and so on.
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Compared with the asphalt road, the cement road is more solid, and the cement road is generally chosen on some small roads in rural areas and towns.
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Summary. Hello, the highway refers to the road that connects the city, the countryside and the industrial and mining base, mainly for cars to drive and has certain technical standards and facilities. Difference Between Highway and Road:
Roads are engineering facilities for the passage of various vehicles (trackless) and pedestrians. According to its use characteristics, it is divided into urban roads, highways, factory and mining roads, forest roads and rural roads. That is, roads include roads, and roads hold a small part of the roads, and the scope of roads is broader.
Hello, the highway refers to the road that connects the city, the countryside and the industrial and mining base, mainly for cars to drive and has certain technical standards and facilities. Difference between highway and road: A road is an engineering facility for all kinds of vehicles (trackless) and pedestrians.
According to its use characteristics, it is divided into urban roads, highways, factory and mining roads, forest roads and rural roads. That is, roads include roads, and roads hold a small part of the roads, and the scope of roads is broader.
Hope it helps.
Thank you, dear. If it's a kindergarten ask, that's it. The road is where people walk, and the highway is where cars walk.
Okay, thank you
Uh-huh, you're welcome.
The child asked again, there are people who can walk on the road, and there are cars on the road.
You said that there was no one on the highway, and there were no cars on the sidewalk. Therefore, most of the roads are still walked by cars, and most of the roads are also walked by people.
The premise of the question is: the children saw the street signs, and went forward to Sifeng Highway, to the left was Sitong Road, and to the right was Liuwu Highway. So Liu asked Sifeng Highway that there is a public character, and Sitong Road has no public character, why is this?
These roads are familiar to children.
In this case, the road is usually only taken by cars, and it is usually walked by people and cars again. It is equivalent to that highway is used to transport goods, or to travel long distances, and that road is used for people to walk or move between cars.
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There is no difference between an oil road and an asphalt road, and an asphalt road is an asphalt road. Its base structure is consistent with that of the reinforced concrete road, the asphalt pavement layer is relatively soft, and the car has a certain degree of elasticity when walking on it. The hardness of concrete is high, and the car will feel hard when walking on it, and some small defects in the road surface will give people a strong vibration feeling.
Asphalt pavement, scientific name asphalt concrete pavement, refers to the road made of asphalt concrete pavement, is a very widely used road pavement.
Bitumen is a complex mixture of black-brown hydrocarbons and their non-metallic derivatives of different molecular weights, which is a kind of high-viscosity organic liquid, mostly in the form of liquid or semi-solid petroleum, with a black surface and soluble in carbon disulfide and carbon tetrachloride. Asphalt is an organic cementitious material that is waterproof, moisture-proof and anti-corrosion.
Asphalt can be mainly divided into three types: coal coke asphalt, petroleum asphalt and natural asphalt: among them, coal coke asphalt is a by-product of coking. Petroleum.
Bitumen is the residue after distillation. Natural bitumen is stored underground, and some form layers or accumulate on the surface of the earth's crust. Asphalt is mainly used in coatings, plastics, rubber and other industries, as well as paving roads.
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"Road Traffic Safety Law of the People's Republic of China" Article 119 The meanings of the following terms in this Law:
1) "Road" refers to highways, urban roads, and places that are within the jurisdiction of the unit but allow social motor vehicles to pass, including squares, public parking lots, and other places used for public traffic.
2) "Vehicle" means motor vehicle and non-motor vehicle.
3) "Motor vehicle" refers to a wheeled vehicle that is driven or towed by a power unit and driven on the road for personnel or for transporting goods and carrying out special engineering operations.
4) "Non-motorized vehicles" refers to vehicles that are driven by human or animal power and driven on the road, as well as motorized wheelchairs, electric bicycles and other means of transportation for the disabled that are driven by power units but are designed to meet the top speed, empty mass, and external dimensions of the relevant national standards.
The difference between the road and the road.
The basic meaning of the word road is the path from one place to another. In the process of use, except in a few cases, the two words are not interchangeable. For example, Lao Tzu said "the road is the way, the very way", but not "the road is the way, the very road"; Lu Xun said: "There is no road in the world.
If there are more people walking, there will be a way", instead of saying that "there was no way in the world, but when there are more people walking, there is a way"; Li Bai sighed that "the avenue is like a blue sky, I can't go out alone", but he didn't say "the road is like a blue sky, I can't go out alone"; Say "all roads lead to Rome", not "all roads lead to Rome".
The above content refers to Encyclopedia - Road Traffic Safety Law of the People's Republic of China.
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The differences are: 1. The pavement structure is different.
The base structure of the asphalt road is the same as that of the cement road, and the difference of the asphalt road is that the surface layer is mixed with a layer of fine stone.
2. The shock absorption performance is different.
The asphalt pavement layer is relatively soft, and the car will run smoothly with a certain degree of elasticity. However, the hardness of concrete is high, and the car will feel hard when driving on it, and some small defects on the road surface will give people a relatively strong vibration feeling.
3. The landscape is different.
The asphalt pavement is generally black, giving it a deep and stable feeling. However, the concrete road is gray-white in color, giving people the feeling of lack of buoyancy and no landscape at all. Therefore, when designing the main roads and secondary roads of the community or municipal, if you want to go up the grade, you should choose asphalt pavement.
Advantages of cement road:
1) The water stability is high, and the road surface can be navigated as usual under heavy rain and short-term flooding conditions.
2) High temperature stability, no rutting.
3) Cement concrete is an inorganic cementitious material, and the main hydration product, calcium hydrated silicate, is the main strength of the company, which is resistant to aging and pollution-free. However, in a longer period of time, it will produce weathering like all rocks, and the weathering of cement stone is more than 10 times longer than the aging of asphalt, which does not constitute an engineering problem.
Disadvantages of cement road:
1) Under the same flatness condition, because the rigid pavement does not dampen vibration, the driving comfort is not as good as that of asphalt pavement; The noise is large, and the low-noise cement pavement has not been studied and applied in China.
2) Under the condition of subgrade and foundation deformation or uneven settlement, it is easy to form a void, the additional stress is very large, it is easy to produce fracture damage, the stability of the subgrade is high, and the adaptability to uneven settlement is poor.
Asphalt road advantages:
1) Asphalt pavement has good driving comfort and low noise due to the two-stage vibration reduction of wheels and road surface.
2) The flexible pavement has strong adaptability to the deformation or uneven settlement of the roadbed and foundation.
Asphalt road disadvantages:
1) The compacted mixture has a large void and poor water resistance, which should cause water damage, and a large amount of damage to the road surface may be caused in a rainy season.
2) The temperature stability of asphalt material is poor, the temperature range between the brittle point and the softening point is small, which cannot cover the natural high and low temperatures, and is easy to brittle in winter and easy to soften in summer.
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The range of roads is a bit wider.
Generally speaking, the roads include:
Urban roads, national roads, provincial roads, highways, rural roads, community roads, etc.
It refers to the urban accident.
Provincial roads, national highways, highways.
These roads.
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The roads in the town are municipal roads, that is, roads, which are mainly responsible for the transportation function of the city. Roads are out-of-town transportation roads, such as highways, which mainly connect the road network between towns and cities.
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Question: What are the structural systems and structural materials of special structures in buildings?
What is the difference between a highway and a first-class highway.
Urban roads are built by the administrative departments of urban construction in accordance with the Code for the Design of Urban Roads.
In the case of urban roads without a road centerline, the road is 30 kilometers per hour.
Urban roads refer to the areas that connect the city and are used by transportation and pedestrians in the city.
Ask about the basic components of roads and railways.
The structural system that answers the special structure in the building is prestressed structure, super large deep foundation pit, cast-in-place pile (manual digging, mechanical hole formation, etc.), thin shell structure, super-large volume unit member, underground waterproofing, long-span cantilever structure (more than 4 meters), etc.
The main difference between a highway and a first-class highway is that the highway is fully closed. The main difference is that the highway is fully closed, and the first-class road is not closed. All other criteria are the same.
It is mainly composed of roadbed, pavement, bridge, culvert, tunnel, highway ferry, protection and support engineering, highway land and highway ancillary facilities.
Question: What is the basic composition of a railway?
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