What Are the Different Layers of a Road?

Answer

A road is usually made of different layers which are normally made using different materials. The lowest layer is built mainly from granular mineral aggregate. It is followed by the gravel layer which consists of gravel and sand and then the bituminous or hydraulically bound base layer follows.
Q&A Related to "What Are the Different Layers of a Road"
1. Experiment with different scent combinations to find one you like. For best results combine scents in the same family, such as two perfumes with vanilla notes, a floral and a fruity
http://www.ehow.com/how_7778193_layer-different-pe...
1. Turn your home computer on and open up Adobe Photoshop, GIMP or Paint.net. If you do not have these programs, they are available as downloads on the Internet. Photoshop has a trial
http://www.ehow.com/how_8557518_layer-photos-diffe...
After digging down to the prescribed depth, the earth was leveled and pounded tight. The first layer was called the "statumen" which was of stones "of the size to fill
http://wiki.answers.com/Q/What_are_the_layers_in_a...
A hub is a device with multiple Ethernet ports. Computers connected to the hub via Ethernet cables can communicate with each other to transfer data. Hubs do not perform any traffic
http://www.ehow.com/info_8044762_difference-hub-la...
Explore this Topic
The layers of a road are usually dependent on the design of the road. For instance, the flexible pavement design has three layers namely: sub base, road base and ...
A layer of soil that differs from the layers above and below is known as a soil horizon. Horizon formation is a function of a numerous geological, chemical, and ...
The layers of the earth are the core, mantle, lithosphere and the crust. The earth is made up of four layers where deeper layers are composed of heavier materials ...
About -  Privacy -  AskEraser  -   -  Careers -  Ask Blog -  iPhone -  Android -  Help -  Feedback © 2013 Ask.com