Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
26 Cards in this Set
- Front
- Back
|
Glulam members of the stress class 24F have an allowable bending stress of...?
|
2400 psi
|
|
|
Wood I-joists are generally spaced...?
|
like lumber joists, often 12", 16", or 24" o.c.
|
|
|
When the top fibers of a rectangular beam are in tension and the bottom fibers are in compression, the bending moment is...?
|
negative
|
|
|
The bending moment in a beam is maximum when the shear is...?
|
equal to zero
|
|
|
The deformation or change in size caused by exterior forces applied on a member.
|
Strain
|
|
|
When the top fibers of a rectangular beam are in tension and the bottom in compression, the bending moment is...?
|
Negative
|
|
|
Wind is measured at a standard height of __ft. above the ground surface.
|
33 ft.
|
|
|
The internal resistance to deformation or to the action of the external force.
|
Stress
|
|
|
Wind pressure on a building is affected by what four factors?
|
wind speed
surrounding terrain building height building shape |
|
|
What is the most widely used structural steel in building construction?
|
A36
|
|
|
A slab that is ribbed in both directions.
|
Waffle Slab
|
|
|
The location where seismic movement begins.
|
Hypocenter
|
|
|
A slab that is ribbed in one direction only.
|
Pan Joist
|
|
|
Moment-resisting, or rigid frames resist lateral forces by developing...?
|
bending
|
|
|
In conventional construction, wood stud walls are built with studs that are generally spaced at...?
|
16" on center
|
|
|
A single large footing that covers the entire floor area.
|
mat foundation
|
|
|
A mat foundation placed deep in the soil is called?
|
raft footing or compensated footing
|
|
|
A soil's load-bearing capacity increases with...?
|
depth
|
|
|
According to the IBC, a soft story is a story in which the lateral stiffness is less that __% of that in the story above or less than __% of the average stiffness of the stories above.
|
70% and 80%
|
|
|
In a typical building, the cost of the structure is generally what percentage of the total cost of construction?
|
25% to 30%
|
|
|
What are the following types of steel commonly used for?
A36 A325 A490 A449 A992 |
A36 - Structural Steel - most common
A325 - Bolt Grade - Residential A490 - Bolt Grade - Construction A449 - Bolt Grade - Construction A992 - Structural Steel - high yeild |
|
|
What is the general weight of concrete?
|
150 lbs. / cubic ft.
|
|
|
What is the weight of a gallon of water?
|
62.4 lbs. / cubic ft.
|
|
|
A single redi-mix truck carries approximately how many cu. yards of concrete?
|
10 cu. yds.
|
|
|
List the modulus of elasticity for the following materials...
Steel (Es) Concrete (Ec) Wood (Ew) |
Es = 29,000 ksi
Ec = 3,000 - 5,000 ksi * Ew = 1,000 - 2,000 ksi * *depends on concrete mix or wood species |
|
|
Wood I-Joists can generally span up to about...?
|
45 ft.
|
