Hello everyone ! This is a blog series with two parts and we will be talking about Steel and its properties, TMT bars and TMT Bars Manufacturing Process in detail. So, let’s get started.
Over the past few months, a slew of fire accidents has occurred In India damaging human lives, properties and goods. In a tragic incident, 20 students died after a fire broke out in a private coaching center in Surat, Gujarat last month. Eyewitness recall that in a bid to escape the blaze, students were seen jumping and falling from the third and fourth floors of the building. This accident is just one of the countless fire tragedies in the country.
We have been talking about the pros and cons of steel and concrete as a construction material. Let’s get a better understanding on why they work better together. Anyone reading about construction materials would have come across the saying – Concrete is good against compression, but weak in tension whereas steel bars are good in tension, but weak in compression. What a few had inferred from the statement is that, steel is naturally weak in the face of compressive forces, which is not the case. Steel is good in both compression and tension. Steel bars or steel reinforcement bars are weak in the face of compressive force due to their dimensional property. Steel reinforcement bars have an insignificant cross sectional area when compared to the length of the steel bars, and thus the ability to withstand compressive forces are naturally less.
The construction of a commercial or residential building cannot be imagined without the use of concrete and steel. These two components are the most essential composite in the construction field. The reasons why they are preferred is their advantages in terms of strength and withstanding the loads. However, what if a comparison was made between concrete and steel. To see which one tops the other in terms of certain parameters.
So, which material surpasses the other in the field of construction – concrete or steel?. We know that both are important for constructing a structure but let us find out what these two materials are capable of.
The principal components in every construction of a building are concrete and reinforced steel. However, concrete is the pivotal component the construction begins with. Concrete is a composite of multiple items namely cement, water, sand and aggregates. The aggregates include limestone, gravel, crushed stone, slug etc. About 60 to 80% of the concrete mix is made of aggregates. They provide the required compressive strength and bulk to concrete.
Concrete and steel are the two most vital components for the construction of a building. Concrete is known for its impressive compressive strength but it lacks the tensile strength. This tensile strength is provided by using reinforced steel bars. So both these components are needed for the construction. However, with the rise of technologies, different variants of steel, concrete etc have been introduced. One such material is Prestressed Concrete.
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TMT steel reinforced bars have been used in constructions of building structures for a long time. They are primarily preferred due to the advantages offered in terms of tensile strength and ductility ratio. TMT Steel reinforced bars consists of different grades namely Fe 415, Fe 500, Fe 550 and Fe 600. Because of the availability of different grades and many dealers promoting different versions of the steel reinforced bars, purchasing the right TMT steel reinforced bar is an important task
Natural disasters are usually one of the troublesome challenges for building structures to overcome particularly, the reinforced steel. Natural disasters are of many types, but the most common disaster occurrence in our country are earthquakes. There are many scenarios of structural collapses due to earthquakes. Although the causes can be attributed to several factors such as the age of building structure, lack of maintenance etc, the most important factor to be attributed is the ductile nature.