| M | T | W | T | F | S | S |
|---|---|---|---|---|---|---|
| « Aug | Oct » | |||||
| 1 | 2 | 3 | 4 | |||
| 5 | 6 | 7 | 8 | 9 | 10 | 11 |
| 12 | 13 | 14 | 15 | 16 | 17 | 18 |
| 19 | 20 | 21 | 22 | 23 | 24 | 25 |
| 26 | 27 | 28 | 29 | 30 | ||
The debate over whether steel or concrete is the better building material from a cost and safety factor is still continuing. Before modern engineering and the technological advances in concrete and steel construction the building systems favored were wood and brick. The materials that head the list of construction development today, however, are steel and concrete. Both materials provide numerous benefits.
Start with the factor of safety as accords concrete construction. The development of concrete for use in the new World Trade Center