BTech Module 1 - Concrete: History

concretus

From latin word “_________” meaning compact or condensed.

Concrete

• A versatile construction material

• Mixture of Portland cement, water and aggregates (filler) and in some cases, chemical admixtures.

Hydration

It solidifies and hardens after mixing with water and placement due to a chemical process known as?

man-made rock

The water reacts with cement, which bonds the other components together, eventually creating a stone-like material. Also known as?

6500 BC

The year Nabatean culture uses concrete to build houses

Pozzolana cement

The Romans used what type of cement to build baths, harbors, The Colosseum and The Pantheon?

800 BC-300 AD

The year the Greeks use lime mortars to produce to produce concrete

1824

The year where a method for producing cement was patented by Joseph Aspdin

Joseph Aspdin

In 1824, a method for producing cement was patented by?

1849

On what year was the reinforced concrete was invented by Joseph Monier?

Joseph Monier

The reinforced concrete was invented by?

1891

The year where the first concrete in America was built by George Bartholomew in Bellefontaine, Ohio.

George Bartholomew

he invented the first concrete in America in Bellefontaine, Ohio

1930-1936

The year Air Entraining, Fly Ash and Ready Mix was introduced

1930-1936

The year the construction on the Hover Dam was completed

1956

The year Fiber reinforcement in concrete was introduced.

1975

The year Silica fume was introduced as a pozzolanic additive

Silica fume

It was a fume that was introduced on 1975 as a pozzolanic additive

1976

The year the Water Tower Place opens the tallest reinforced concrete building in the world at time.

2009

The year the 2717 ft. tall Burj Khalifa is named world’s tallest building

2010

The year worldwide Portland cement production reaches 3.3 Billion Metric Tons

2013

The year China used more cement between 2011 and 2013 than the US used in the entire 20th Century.

SELF-COMPACTING CONCRETE