Anti-stripping agents are used for bituminous mixes and materials to ensure adhesion between bitumen and aggregates (hydrophilic), even when submerged in water. Material Requirement The anti-stripping agents shall consist of fatty acid amines having a long hydrocarbon chain. These agents ...
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Metal Beam Crash Barrier: Material, Construction, and Advantages
Metal beam crash barriers are an efficient road safety device that protects the vehicle and its occupants in the event of an accident and acts as an outstanding visual aid for drivers, particularly at night. Metal beam crash barriers are ...
How to Divert Traffic during Road Construction?
Traffic diversions are provided for a safe and efficient movement of traffic through or around the work zones while protecting the workers and equipment deployed for road construction. In addition, they provide continuity to the movement of motor vehicles, bicycles, ...
How to Repair Potholes and Patches in Bituminous Roads?
Patching is the process of filling potholes or deteriorated parts of asphalt pavements. Potholes and other pavement disintegration should be repaired as soon as possible to prevent additional degradation and costly pavement repairs. The repair of bituminous road includes the ...
Fly Ash for Concrete Pavement Construction
Fly ash is an important ingredient used for the production of cement-based materials like concrete, mortar, etc. One primary application of fly ash is in concrete pavement construction, where a certain percentage of cement is replaced with fly ash to ...
Solar Roadways: Purpose, Construction, and Applications
A solar roadway is a street surface that produces electricity. It consists of a glass layer, an electronic layer, and a base plate layer. The construction process involves furnishing and wiring the base plate, placement and connection of solar photovoltaic ...
Reflective Pavements: A Unique Pavement Strategy to Fight Climate Change
Pavements are one of the most abundant surfaces of the urban infrastructure. Though pavements have been viewed as detrimental to the fight against climate change and urban heat islands (UHI), the evolution of reflective pavements will change this perception for ...
World’s Longest Immersed Road/Rail Tunnel Takes Shape
Works have begun on the much-awaited Fehmarnbelt Tunnel, connecting Denmark and Germany. The 18 km long tunnel will descend to a depth of up to 40 m beneath the Baltic Sea and will be the world’s longest immersed tunnel for ...