Famous Concrete Structures

Concrete is a durable, enduring composite building material that has been around for a startling amount of time. For example, the remains of over 8,000-year-old concrete floors, houses, and water cisterns have been discovered in Syria and Jordan – some of which are still standing. While the general composition of modern-day concrete often differs from its ancient equivalents, there are …

Over 100 Years of Portland Cement

Portland cement may be one the most important materials ever manufactured by man. It is the principal ingredient of concrete, the world’s most widely used building material. Annual global production of concrete exceeds 5 billion cubic yards. Invented and patented by Joseph Aspdin from Leeds, England in 1824, the history of Portland cement can be traced back to the ancient …

Tallest Concrete Buildings

Skyscrapers are among the most impressive architectural achievements of modern society. As these buildings climb ever higher into the sky, architects look toward new techniques to allow them to continue to make taller and safer buildings. In the past steel was used in constructing skyscrapers, but in recent years concrete has become a popular material in tall building construction. New …

Secrets of Ancient Concrete

Two thousand years after they were built, ancient Roman structures like the Pantheon and the Colosseum are still here. Regarded by many as the strongest building material ever devised, Roman concrete (known at the time as opus caementicium) still offers surprises for researchers today. The Recipe Around 30 BCE, Roman engineer Marcus Vitruvius in his Ten Books of Architecture mentions …