Concrete is likely the most ubiquitous and most unnoticed
ingredient in any modern piece of construction. We drive on concrete roads,
highways and bridges every day. Millions of people walk on concrete sidewalks the
world over. It stops mighty rivers and creates artificial lakes; reaches
towards the sky in skyscrapers; and provides a solid foundation for millions of
homes.
So much concrete is made each year, every single person on
earth could get their own cubic meter, and there would still be much left over. It’s
completely immune to fire; stands up to hurricanes and tornadoes with ease; and
its durability is simply unmatched. With all that, it is almost ironic that so
many people hardly notice it, much less know where it came from.
A Brief History
While nobody is really sure exactly who first developed
concrete as a building material, we do know that the Romans were the first to
develop a reliably high quality mixture and use it on a mass scale. They built
concrete structures across their entire empire and even designed structures
that specifically utilized its benefits. Their designs revolutionized the
ancient world and anyone today that questions the quality of their concrete or
the workmanship of their designs need only look as far as the many Roman
structures still standing to this day.
Efficiency
Today’s concrete differs little in strength and durability
from the Roman counterpart, though the mixture is very different. Regardless of
this however, concrete is one of the most energy efficient building materials
available today (though, strangely, the concrete production industry produces
the 3rd highest CO2 rates in the world). Most concrete used in
construction is produced locally, which greatly reduces the impact of transporting
it compared to other materials.
Additionally, homes built with concrete are significantly
more airtight and the material’s thermal mass properties retain heat and cold
much better than other materials. Because less air escapes and the insulating
factor maintains interior temperatures more efficiently, residents of concrete
homes enjoy the added benefit of cheaper utility costs.
Combine these benefits with its durability, safety and
resistance to the elements, and you’ll begin to grasp just how amazing concrete
truly is!
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