Longitudinal joints are joints formed during hot mix asphalt (HMA) pavement construction. These joints are formed when a new lane of hot mix asphalt pavement is placed adjacent to a previously placed lane. An improperly constructed longitudinal joint forms the ...
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Heliports: Types and Construction Features
Heliports are landing pads designed for helicopters and powered lift aircraft. They are constructed either from steel, concrete, or aluminum. Heliports are constructed on the roofs of skyscrapers, private buildings, hospitals, golf courses, and other places where helicopters are commonly ...
Different Types of Asphalt Pavements in Construction
Asphalt is the most versatile pavement material used in the construction industry. Asphalt pavement is made of aggregates, sand, additives, and asphalt and is laid for the construction of driveways, parking lots, roadways, etc. Based on the variations in asphalt ...
What is the Difference between Bridge and Box Culvert?
It may appear that bridge and culvert structures are similar as they both serve the vital need of transportation. However, they are very different in aspects like structural design, construction, components, load-carrying capacity, costs, etc. Culvert is defined as a ...
How does Improper Drainage Affect Asphalt Pavement?
A proper drainage system and its regular maintenance determine the longevity and stability of the asphalt pavement. On the other hand, improper maintenance of the pavement drainage system leads to eventual pavement deterioration, which results in huge repair and replacement ...
Anti-Stripping Agent for Bituminous Mix
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 ...
Alligator Cracking in Asphalt Pavement: Causes and Control
Alligator cracking is an interlaced cracking pattern observed on the asphalt pavement surface due to repeated traffic loading. Alligator cracks cause deterioration of asphalt pavement and resemble the scales on an alligator’s back. This article explains the leading causes and ...
Design Requirements of Footpath
A footpath is a type of route designed just for pedestrians and not for other types of traffic such as cars or bicycles. Footpaths are found in a range of locations, including city centres, farms, and mountain ridges. The footpath ...