Metal Decking + Light Gage Framing

Question 1

standardized, shop-fabricated trusses.

Answer 1

Open-Web Steel Joists

Question 2

webs of ____,

cords of ____.

Answer 2

linear members,

back-to-back steel angles.

Question 3

Open-Web Steel Joists:

standard

Answer 3

K series

Question 4

Open-Web Steel Joists:

K series span + depth

Answer 4

8-60’ span

8-30” depths (2” increments.)

Question 5

Open-Web Steel Joists:

long span

Answer 5

LH series

Question 6

Open-Web Steel Joists:

LH series span + depth

Answer 6

25-96’ span

18-48” depths (4” increments.)

Question 7

Open-Web Steel Joists:

deep long span

Answer 7

DLH series

Question 8

Open-Web Steel Joists:

DLH series span + depth

Answer 8

89-144’ span

52-96” depths (4” increments.)

Question 9

composite joists

Answer 9

wood top and bottom cords, steel webs.

Question 10

Open-Web Steel Joists:

standard designation:

Answer 10

depth, series designation, type of cord used.

ex. 36LH13,
36” deep, LH type, #13 cord type.

Question 11

Metal decking is made from:

Answer 11

steel + aluminum

Question 12

composite metal decking includes:

Answer 12

deformed to bind w concrete

Question 13

steel members w gage 10-25:

Answer 13

Light-Gage Metal Framing

Question 14

Light-Gage Metal Framing used @:

Answer 14

interior partitions,
ext bearing/nonbearing walls,
joists + rafters.

Question 15

Light-Gage Metal Framing advantages:

Answer 15

noncombustible,
easy to cut/assemble,
no shrink/decay.

Question 16

Light-Gage Metal Framing most commonly used:

Answer 16

@ int. partitions in noncombustible building.

Question 17

spiral stairs typ column diameter:

Answer 17

4”

Question 18

spiral stairs standard diameters:

Answer 18

3.5’–7’ in 6” increments.

Question 19

___º treads are most common @ spiral stairs.

Answer 19

30º

Question 20

expansion joints are available in two types:

Answer 20

lateral-only,
and lateral/vertical movement.
seismic expansion joints also available. (special engineering study req’d)

Question 21

detailing brass + bronze:
large expanses of flat sheet stock,
min thickness:

Answer 21

10-gage. (0.1019in)

if patterned, can be less thick, bc pattern gives structure..

20-gage if laminated to particle board/backing.