Categories: Land Surveying

Estimate of roads Land Surveying.

Estimate of roads Land Surveying.

A road on which different types of traffic can legally pass from one place to another is called a road. The width of the road and other designs depend on the traffic using the road. The importance of the road is taken into consideration for the selection of materials. The road connecting one village to another is usually a dirt road. Roads better than these are called district roads. They connect different cities and towns of the district. These roads are paved. Motor vehicles run on these roads. They are kept at least 12 feet wide. The best roads are called provincial roads. These roads connect different cities of the province. Besides, these roads also meet the national highways. The minimum width of these roads is kept at 24 feet. Roads that connect the national capital to the provincial capital or other cities are called the National Highway.
These roads also connect the neighboring countries. For the fastest traffic, modern types of roads are constructed which are called express highways and motorways.

Road structure

Crossing the roads vertically shows different parts of the road which are as follows.
Sub grade
This is the level of the natural ground on which the road is built. The surface is usually kept two feet above the ground level so that rainwater does not reach the surface of the road. If I need to build, then the grade is below ground level. The strength of the road depends to a large extent on some part.
Sub base
This part is not an integral part of the road, but when the subgrade is weak, additional protection is provided with gravel or some other suitable material to strengthen the road, which is called sub base.
Base
It is an integral part of the road. It bears the weight of the traffic moving on the road and safely transfers to the sub-base or sub-grid. The strength of the road depends on that part of the road. Usually consists of strong rock lightning.
Surfacing
It is the upper part of the road which makes the road surface smooth. It also makes the road surface non-absorbent. How to determine the type of road. It protects the lower parts of the road.
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