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Building Construction 4th Edition > Chapter 9 > Flashcards

Flashcards in Chapter 9 Deck (19)
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1
Q

Elements added to steel will alter the composition of the material and contribute and increase specific attributes:

A

Molybdenum. Vanadium. Manganese.

2
Q

Molybdenum:

A

Strength

3
Q

Vanadium:

A

Strength and toughness

4
Q

Manganese:

A

Resistance of steel to abrasion

5
Q

One inherent disadvantage of steel is the tendency to?

A

Rust when exposed to air and moisture

6
Q

Steel breaks at the?

A

Ultimate stress

7
Q

The yield point Stress is reached at approximately?

A

36,000 PSI

8
Q

Astm36:

The stress exerted on the steel against the resulting deformation known as the?

A

Strain

9
Q

One common structural steel is ASTM a36 which includes?

A

Manganese, carbon, and silicon

10
Q

When the___is reached the steel undergoes a pronounced deformation

A

Yield point stress

11
Q

A measure of metals ability to be drawn, hammered thin, or rolled into shapes without breaking

A

Ductility

12
Q

This steel is used for members that have a thin cross-section, such as flooring roof decking and wall studs. The studs can be used either for interior or non-loadbearing partitions or for exterior bearing walls

A

Cold rolled steel

13
Q

Some fires do create temperatures in excess of___which is hot enough to weaken steal to it’s yield point

A

Excess of 1,200F

14
Q

The most commonly used SFRM is are mineral fiber or expanded aggregate coatings such as?

A

Vermiculite and perlite

15
Q

High density SFRM is that use magnesium oxychloride have densities ranging from?

A

40 to 80 pounds per cubic foot

16
Q

Cementitious Materials have densities ranging from?

A

15 to 50 pounds per cubic foot

17
Q

Wire for use in bridge cables can have strengths as high as?

A

300,000 PSI

18
Q

Steel columns:

In general, columns used for structural support and buildings should not have a slenderness ratio greater than?

A

120

19
Q

Comparison of the height or length of a structural component in the wet/thickness of the components

A

Slenderness ratio