What Is A Wearing Course In Construction? The wearing course is the top layer in the construction of roads, runways, and docks. It is sometimes referred to as the surface course, though this term can also refer to thin layers such as chip seals. The wearing course is made of concrete in rigid pavements, while […]
How Much Does A Jersey Barrier Cost? Prices for Jersey barriers vary depending on the type and size of barrier, but typically they range between $850 and $1500. A Jersey barrier is a modular concrete barrier which is widely used to separate lanes of traffic, most commonly on motorways and freeways. The barriers are also […]
What is Superelevation? | Advantage and Disadvantages of Superelevation | Function of Superelevation | Minimum and Maximum Superelevation What is Superelevation? Superelevation is a special design of a road that allows drivers to safely exit the road at high speeds. The design of the incline and curb radius on a superelevated road allows for drivers […]
What Is Sheepsfoot Rollers? | Sheepsfoot Rollers Uses | Advantages of Sheepsfoot Roller | Different Types of Rollers | Pneumatic Rollers | Semirigid Roller | Wheel Roller | Vibratory Roller What Is Sheepsfoot Rollers? The term sheepsfoot roller can be used to refer to a type of tool (a roller) or a machine that can […]
What Does Porous Asphalt Mean In Construction Porous asphalt is a type of asphalt pavement that is designed to allow water to drain through it. It is made with a special mix of asphalt and aggregate materials that create a permeable surface that allows water to seep through the pores and into the ground below. […]
Road Construction | Flexible Pavement | Rigid Pavement Road Construction and Components of the Road Section. Road construction is the process of building or upgrading roads and involves using concrete, asphalt, rebar, soil stabilization, paving, and other road construction and repair materials. The road construction materials create a long path with a paved or smooth […]
What is Tar | Difference Between Asphalt and Tar | Wood & Coal Tar | Road Tar | Concrete Asphalt What is Tar? Tar is a black or dark brown viscous fluid of hydrocarbons and free carbon, extracted from a wide variety of organic matter through a destructive distillation process. Tar can be extracted from […]
What Do Dual Carriageways Mean In Road Construction? A dual carriageway, or divided highway, is a road with two lanes of traffic travelling in each direction separated by a central reservation (BrE) or median (AmE). The median can be made up of grass, concrete, or other physical dividers such as barriers. Dual carriageways are designed […]
What Does Single Carriageways Mean In Road Construction? Single carriageway is a road with one, two or more lanes arranged within a one carriageway with no central reservation to separate the directions of traffic. It is also known as an undivided highway in American English. Single carriageways are typically used for national primary roads and […]
What Does Motorway Mean In Road Construction? In road construction, a motorway is a type of highway that has been designed for high-speed vehicular traffic, with all traffic flow—ingress and egress—regulated. Motorways are typically limited-access dual carriageways that are not crossed on the same level by other traffic lanes and serve long distance and mainly […]
