Module 2.1

Question 1

No matter how well the foundation of a building is constructed, a structure won’t stand if the ________ are poorly assembled.

Answer 1

Floors and sills.

Question 2

What’s the difference between a beam and a joist?

Answer 2

A beam carries weight to the supporting structures. A joist is used to displace weight across beams, and is usually smaller,

Question 3

What are the layers of a basic floor? From bottom up

Answer 3

Joist, then Subfloor, then Underlayment, then Finish Floor

Question 4

Dead Load

Answer 4

The weight of the permanent, stationary construction and any attached equipment, alone.

Question 5

Firestop

Answer 5

Approved material used to fill air passages in a frame to retard the spread of fire.

Question 6

Foundation

Answer 6

The supporting portion of a structure, including the footings

Question 7

Header joist

Answer 7

A framing member used in platform framing into which the common joists are fitted, forming the box sill. Header joists are also used to support the free ends of joists when framing openings in a floor.

Question 8

Joist Hanger

Answer 8

A metal stirrup secured to the face of a structural member, such as a beam/girder, to support and align the ends of joists flush with the member.

Question 9

Let-in

Answer 9

Any type of notch in a stud, joist, etc., which holds another piece. The item that is supported by the notch is said to be let-in. (It’s what you think. Imagine lincoln log cabin. They have notches cut out and are let into each other)

Question 10

Live load

Answer 10

The total of all moving and variable loads that may be placed on a building.

Question 11

Pier

Answer 11

A column of masonry used to support other structural members, typically girders or beams.

Question 12

Scab

Answer 12

A length of lumber applied over a joint to strengthen it.

Question 13

Scarf

Answer 13

To join the ends of stock together with a sloping lap joint so there appears to be a single piece.

Question 14

Soleplate

Answer 14

The horizontal member of a wall frame.

Question 15

Span

Answer 15

A term for the distance between structural supprots such as walls, columns, beams, etc.

Question 16

Single-storey structures built on slabs do not have ____

Answer 16

Floor systems

Question 17

What are floor systems and how are they used?

Answer 17

Floor systems provide a base for the remainder of the structure to rest on. They are built over other stories, ie: basements and crawl spaces, or a (MAYBE) second story over a first. If a building is one story, it is not needed.

Question 18

What is a sill:

Answer 18

The horizontal member of the bottom of a wall, window or exterior door frame.

Question 19

Built up lumber beam:

Answer 19

When instead of a solid beam of raw wood you take multiple planks and attach them to each other, forming a bigger beam (like voltron).

Question 20

What are the advantages/disadvantages of built up lumber beams?

Answer 20

They don’t warp as easily, but they aren’t as strong either.

Question 21

Engineered lumber beam:

Answer 21

Its composite wood that is made with glue in the fibers.

Question 22

What is an I-beam?

Answer 22

It’s that classic metal girder in the shape of an I.

Question 23

What are the horizontal caps and the ends of an I-beam called?

Answer 23

Flanges.