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Prestressed concrete is a relatively young product. It started to be widely used only during the last few decades, and is still gaining popularity. 1 _______. The main good qualities of prestressed concrete are its high strength and durability. 2 _______. This combination is highly advantageous. 3 _______. For this reason any member of beam is under constant compression and as a result has no cracks.4 _______.
The reason of its popularity is its usefulness.
In prestressed concrete, concrete is combined with steel.
It serves the purpose of producing a compressed stress in the concrete as a building material.
In modern times this type of concrete serves as construction material for beams, for pipes, and columns, storage tanks, water towers and the like.
