Concrete

**Concrete Quiz** :  • 1. 1. **Definitions (concepts found in the text)** __Concrete: __ is a manufactured mixture of cement and water, with aggregates of sand and stones, which hardens rapidly by chemical combination to a stonelike, water-and-fire-resisting solid of great compressive but low tensile strength.

2. • **Look for images of spaces created using: reinforced concrete, pre-cast concrete, prestressed concrete and concrete-shell**

Reinforced Concrete

Pre-cast Concrete

Prestressed Concrete

Concrete-shell