Chapter 2 Terms of Construction and Building Design

Question 1

Active fire protection

Answer 1

fire protection provided by automatic sprinklers and fire hose streams

Question 2

what are the three basic methods of constructing wood frame buildings

Answer 2

1. balloon construction
2. braced-frame
3. platform

Question 3

beams

Answer 3

horizontal structural member subject to compression tension sheer

Question 4

one of the three methods of supporting a beam

Answer 4

cantilever beam support
continuous beam support
simple supported beam

Question 5

braced frame construction

Answer 5

sometimes called post and girts, vertical timbers called post reinforce each of the four corners of the structure and horizontal timbers called girts reinforce each floor. post and girts are connected by fastenings called mortise and tendon joints

Question 6

Bridge truss

Answer 6

perpendicular trust used in steel bar truss for systems to provide lateral stability

Question 7

another name for buttress

Answer 7

wall column

Question 8

cold formed steel beam

Answer 8

sheet steel being used in lightweight steel floor construction

Question 9

the impact of an aerial platform master strain striking a veneer wall at close range can cause

Answer 9

curtain fall wall collapse

Question 10

collapse of an interior wall that breaks apart horizontally. the top collapses inward, back on top of the structure; the bottom collapses outward on the street.

Answer 10

inward outward collapse

Question 11

what type of wood frame construction collapses in an inward outward manner

Answer 11

braced frame constructed buildings, timber truss roof collapse can cause a secondary collapse in a front wall in this manner

Question 12

lean to floor collapse

Answer 12

floor collapse in which one end of the floor beams remain partially supported by the bearing wall, and the other end of the floor beams collapses. can be classified as supported or unsupported depending upon the position of the collapse beam ends

Question 13

what type of collapse is characterized by: floor collapses and an interior partition or wall holds up the center of the following floor

Answer 13

tent floor collapse

Question 14

the collapse of the floor at the center of the floor beams the broken center of the floor section collapses down upon the floor below

Answer 14

v shape for collapse

Question 15

an opening in a floor slab for a stair between floors

Answer 15

convenient stair or access stair

Question 16

horizontal surface covering supported by floor or roof beam

Answer 16

deck

Question 17

a wavy piece of sheet steel deck used to support concrete floor

Answer 17

fluted metal deck, corrugated metal deck

Question 18

a structural element that supports a floor or roof beam.

Answer 18

girder

Question 19

gravity load

Answer 19

combination of the dead load and a live load

Question 20

hat truss

Answer 20

a means of load distribution connecting core columns and perimeter columns, World Trade Center

Question 21

a support used to reinforce an opening in the floor of a wood frame, ordinary, or heavy timber building. It is placed perpendicular between two trimmer beams and supports the shorter, cut off beams ( tail beams)

Answer 21

header beam

Question 22

interstitial space

Answer 22

concealed space between floors used to contain large mechanical and electrical equipment also called a Plenum

Question 23

kip

Answer 23

one kip equals 1000 pounds

Question 24

lintel

Answer 24

and horizontal piece of timber stone or steel placed over an opening in a wall. The lentil is a load bearing structural element that supports and redistributes the load above the opening

Question 25

axial load

Answer 25

passes through the center of the structure, most efficient manner by which a load can be transmitted

Question 26

concentrated load

Answer 26

load applied at one point or within a limited area of the structure. example would be a heavy cast iron tub inside a small bathroom

Question 27

dead load

Answer 27

a static or fixed load created by the structure itself and the permanent equipment within

Question 28

one of the five major loads that must be considered in the design of the building

Answer 28

live, wind, impact, seismic, and dead loads

Question 29

eccentric load

Answer 29

load transmitted off-center or on even through a structural member

Question 30

impact load

Answer 30

a load applied suddenly to structure, such as a shockwave or master stream

Question 31

live load

Answer 31

a transient or movable load such as a building's content occupants in the weight of firefighters

Question 32

static load

Answer 32

load that remains constant or applied slowly

Question 33

torsional load

Answer 33

load that creates a twisting stress on the structural member, for example when a large steel girder collapse at one end and the other inexperienced a torsional twisting stress

Question 34

passive fire protection

Answer 34

fire containment provided by a structure is considered passive fire resistance.. examples include partition walls and spray on fire retardant foam

Question 35

pilaster

Answer 35

missionary columns bonded to and built as an integral part of the inside of a missionary wall

Question 36

wood frame residential building construction that has a complete level of 2 x 4 would enclosing walls raised and nailed together

Answer 36

platform woodframe construction

Question 37

a timber laid horizontally perpendicular to support the common rafters of the roof

Answer 37

purlin

Question 38

a horizontal timber that frames the highest point of a peaked roof

Answer 38

ridgepole

Question 39

the name for the concealed space above a suspended ceiling is called a

Answer 39

cockloft

Question 40

would larger than 2 x 4"

Answer 40

timber

Question 41

and wood being constructed around the perimeter of a floor opening, it supports the header beam

Answer 41

trimmer beam

Question 42

a partition wall that extends from the floor slab to the floor slab above

Answer 42

demising wall

Question 43

spandrel wall

Answer 43

portion of an exterior wall between the top of one window in the bottom of another

Question 44

veneer wall

Answer 44

is finished or facing brick or stone wall viewed from the outside of the building is fastened to a backing wall by sheet metal ties or cement... curtainwall collapse

Question 45

vertical collapse zone

Answer 45

1 1/2 or two times the height of the wall