Material Required for Construction of WBM Road

Material Required for Construction of WBM Road

The oldest type of highway pavement used in modern times is known as Macadam after the name of Johan Macadam, a Scottish Engineer.  The term Macadam in the present time means the road surface and base constructed of crushed or broken aggregates cemented together by the action of rolling and water.  The binding action in …

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11-Requirements of Good Staircase

Requirements of Good Staircase The stair is a structure having a series of steps and affords the means of ascent and descent between the floors or landings. The enclosed room in which stair is located is known as the staircase. The opening space occupied by the stair is known as a stairway.  A stair consists …

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How to calculate unit weight of steel bars?

Unit weight of steel bar

What is Steel? Steel is the most versatile commonly used structural material. The essential elements in steel are metallic iron and the element non-metallic carbon, with small quantities of other elements such as silicon, nickel, manganese, chromium and copper. It is thus an alloy. Though steel is usually more than 90% iron, with other elements …

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What is Workability of Concrete? – Factors Affecting Workability

What is Workability of Concrete? - Factors Affecting Workability Civil Lead

What Is Workability of Concrete? The term workability indicates the ease or difficulty with which the concrete is handled, transported and placed. The amount of water present in concrete should be in the proper ratio. Generally, a higher water-cement ratio is required for good workability. In the actual function of water is to lubricate the concrete. …

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OPC vs PPC – Difference Between OPC and PPC Cement

Difference Between OPC and PPC Cement

Difference Between OPC and PPC Cement The long-form of OPC is Ordinary Portland Cement and the long-form of PPC is Portland Pozzolana Cement. Generally, ISI mark on ordinary Portland cement bag is black in colour whereas the ISI mark on Portland pozzolana cement bag is red in colour. Difference between OPC and PPC cement are as follows: Manufacturing …

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Difference Between One way and Two way Slab

Difference Between One way and Two way Slab

What is the Slab? In reinforced concrete construction, the slab is an extensively used structural element forming floors and roofs. A concrete slab is the plane element having the depth d much smaller than its span and width.  It may be supported by reinforced concrete beam, by masonry wall or directly by column. Difference between one way and two way …

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