Priyanka Gupta

By
Priyanka Gupta

1.0 Introduction
In April 2016, 81 new towns and cities were added to a list of areas prone to earthquakes, bringing the total to 107. In 2012, BIS has introduced special earthquake resistant steel in India standard 1786 for HYSD bars. But this still needs a mention in design code of IS 456 for design help. There are few manufacturers in India which make earthquake resistant steel with grade name as Fe 500 SD which can be used in seismic resistant designed buildings.

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By
Priyanka Gupta

Three decades back, a construction site was a place where all building materials were brought in fabricated or mended as per need and then used. For example cement, sand, stonechips and water was assembled at construction site; mixed as per design and used. Brick kilns were the only manufacturing/ prefabrication done in advance for construction. Storing of inventory at construction sites wasvery much prevalent.

The concept of factories and automobile industry like ‘lean engineering’, ‘just in time delivery’ and prefabrication have changed the very picture of construction site. But till early 2000 prefabrication in construction rebars was only in concept. Around 2010 prefabrication of TMT rebars started in India and now it has become indispensable for both large as well as small scale project.

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By
Priyanka Gupta

1.0 Introduction

In small residential buildings the quality of construction is seldom questionable. The reason varies from poor building material quality to lack of knowledge of good construction practices. Most of the times, engineers are ignored by individual house owners and masons are given sole responsibility of both design and construction. Almost all structural engineers practicing in India will agree that 99% of the failures of structures in India are not due to design failure.

Explaining the different aspect of construction that a normal home builder, engineer or contractor needs to remember.

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By
Priyanka Gupta

Before doing the comparison study lets know what these terms mean.
CPCC – Cement-Polymer Composite Coated Rebars
FBEC – Fusion Bonded Epoxy Coated Rebars
CRSD – Corrosion Resistant Steel Deformed Rebars

1.0 Corrosion Control of Reinforcement bars (Rebars)
40% of failure of structures is on account of corrosion of embedded steel reinforcement in concrete. Therefore corrosion control of steel reinforcement is a subject of paramount importance.First and foremost for corrosion control is the good quality of concrete through good construction practices.

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