6505-1 - CONCRETE AS A STRUCTURAL MATERIAL 700 million tons...

Info iconThis preview shows pages 1–4. Sign up to view the full content.

View Full Document Right Arrow Icon
1 CONCRETE AS A STRUCTURAL MATERIAL 700 million tons of cement produced per year in the the world, and used to make 5.5 billion tons of concrete per year (in 1993). (11 billion tons in 2006) Consumption of concrete is about 5 times the consumption of steel by weight in the U.S. Why is concrete so widely used? Excellent resistance to water. Ease with which concrete elements can be formed into a variety of shapes and sizes. Low cost. Readily available. The raw materials for making cement are widely available. Components of Concrete Portland cement Coarse aggregate - larger than 4.75 mm (# 4 sieve) Fine aggregate - smaller than 4.75 mm Water Admixture
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
2 Concrete components: cement, water, fine aggregate and coarse aggregate Cross section of hardened concrete made with rounded siliceous gravel. Cross section of hardened concrete made with crushed limestone.
Background image of page 2
3 Petronas Tower (Malaysia) 88-floor reinforced concrete structure 160,000 m 3 of concrete used in
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 4
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 05/26/2011 for the course CGN 6505 taught by Professor Mang during the Spring '11 term at University of Florida.

Page1 / 7

6505-1 - CONCRETE AS A STRUCTURAL MATERIAL 700 million tons...

This preview shows document pages 1 - 4. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online