Chapter 10: Concrete Construction Flashcards
_____Is the hard in form of cement,Produce from Portland cement, course and fine aggregates and water.
Concrete
Concrete is widely used in what type of construction.
Type one fire resistive
Like masonry, concrete is strong in compression but weaker in?
Tension
Concrete ultimate compressive strength can range from?
2,500 to 6,000 psi
____Includes components added to the concrete before it hardens to resist tensile forces
Reinforced concrete
Concrete beams are frequently Cass and what shape?
The shape of a Tee
The technique of___is a more efficient use of concrete an ordinary reinforcing.
Pre-stressing
Post tension and reinforcing steel can____with violent force and destroy surrounding supports.
Recoil
The system use reinforcing cables in rods made of high strength still taking you’d at temperatures as low as?
752°F
The single most important factor in determining the ultimate strength of concrete is?
Water to cement ratio
What is the ideal temperature needed for concrete to cure properly?
Between 50° in 70°F