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AE-390
CONCRETE FRAME
GROUP 9
Concrete Frame
Concrete Frame is among the most popular methods of construction used in the world. this is due to its versatility as well as cost of production. The artificial stone is fabricated by mixing cement, sand and aggregates with water resulting in a chemical reaction that bonds the materials. This combination of ingredients can be varied to change the inherent properties of the concrete mixture making it versatile for many types of construction. Along with this, concrete can be molded to take on almost any shape. As can be seen by some of the examples in Figure A1.
Figure A1: Concrete Shapes
The weakness of concrete is found in its stength under tension which is usually approximately 10% of its compressive stress. Compensation for this flaw is found in the use of steel reinforcment within. this type is referred to as reinforced concrete. Another reinforcing method is called post-tensioning, where steel cables are inserted within the concrete for strength. This form of concrete is used for almost all applications. Some examples of this can be seen in Figure A2, to the left. Concrete is typically found in a system of slabs, beams, columns and footings which make up a structure. an Example of this application can be seen in Figures A3, below.
Figure A2: Reinforced Concrete Examples
Figure A3: Concrete Structural System
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