Chapter 11 Fire Resistive Construction

Question 1

While curing, concrete generates heat of _____

Answer 1

Hydration

Question 2

_____ are heavier and have smoother services than cinder blocks

Answer 2

Concrete blocks

Question 3

_____ are produced under UL classifications

Answer 3

Underwriters blocks

Question 4

Concrete molded in the location in which it is expected to remain

Answer 4

Cast in place concrete

Question 5

The process of placing the fluid concrete into molds, generally called forms, in which the concrete is permitted to harden to a certain shape

Answer 5

Casting

Question 6

A short column is called a _____

Answer 6

Pier

Question 7

_____ join the rods in a column

Answer 7

Ties or hoops

Question 8

_____ are placed at the bottom of concrete beams to provide tensile strength

Answer 8

Reinforcing bars

Question 9

Steel has _____ times the compressive strength of concrete

Answer 9

15

Question 10

_____ comprises a two-way structural system; closely spaced beams are set at right angles to one another

Answer 10

Waffle concrete

Question 11

_____ places engineered stresses in architectural and structural concrete to offset the stresses that occur in the concrete when it is placed under a load

Answer 11

Prestressing

Question 12

A major advantage of post tensioning is that floors can be _____

Answer 12

Thinner

Question 13

A cast in place, monolithic concrete building is resistant to _____

Answer 13

Collapse

Question 14

The fire resistance of precast concrete buildings is dependent on the protection of the _____

Answer 14

Connectors

Question 15

Concrete cures indefinitely. It must be protected from _________, low temperatures retard curing of concrete.

Answer 15

freezing

Question 16

these are thicker sections of floor near columns to assist in resisting the natural tendency of the floor to shear off at the column

Answer 16

Drop panels:

Question 17

Steel has ______ times the compressive strength of concrete

Answer 17

15

Question 18

Vertical reinforcing bars and concrete beams designed to prevent cracking under shear stresses

Answer 18

Stirrups

Question 19

_________has aluminum powder added to it, it makes the concrete relatively lightweight

Answer 19

Autoclaved aerated concrete

Question 20

A major advantage of post tensioning is that floors can be _________

Answer 20

thinner