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What is a Cooling Tower?

A cooling tower is used to remove excess heat that is generated in large industrial and commercial units by cooling the area by lowering the temperature.Here, in this article, you will learn and study the working of different types of ...

Grade Separation and Interchanges

Grade separation is a method developed to avoid the disruption of traffic flow at intersections. Grade separation is adopted at junctions where two or more surface transport axes cross with each other. Different types of grade separation structures, advantages and disadvantages ...

What is Steel Frame Structure Building Construction?

Steel frame is typically consisting of vertical column and horizontal beams which are riveted, bolted or welded together in a rectilinear grid. Steel beams are horizontal structural members that resist loads applied laterally to their axis. Columns are vertical structural ...

What is Rebar? Types and Grades of Steel Reinforcement

What is Rebar? Steel reinforcement bars or rebars are used to improve the tensile strength of the concrete, since concrete is very weak in tension, but is strong in compression. Steel is only used as rebar because elongation of steel due ...

Retaining Wall Types, Materials, Economy, and Applications

What is a retaining wall? Retaining wall is a structure that are designed and constructed to withstand lateral pressure of soil or hold back soil materials. The lateral pressure could be also due to earth filling, liquid pressure, sand, and other ...

Integral Bridges – Types, Advantages and Limitations

What is an Integral bridge? Integral bridges are constructed without any joints between spans or between span and abutments. The superstructure along with abutments acts as single structural element. Types of Integral Bridges Integrals bridges are classified into four types based on abutments ...

Portland Pozzolana Cement – Manufacture, Properties and Uses

Portland Pozzolana cement is integrated cement which is formed by synthesising OPC cement with pozzolanic materials in a certain proportion. It is commonly known as PPC cement. In this article we discuss about the properties, manufacture, characteristics, advantages and disadvantages ...