Masonry General

Question 1

purpose of lime in mortar

Answer 1

plasticizes,
adds resilience (for movement),
improves water retention as sets.

Question 2

masonry cement: matl’s

Answer 2

portland cement

+ pulverized limestone

Question 3

masonry cement: benefits of

Answer 3

less $ than portland cement,
great plasticity,
but less strength.

Question 4

masonry cement: suitable for

Answer 4

low rise building veneers

and int, non load bearing.

Question 5

cement used for natural stone

Answer 5

nonstaining cement

Question 6

types of mortar:

nonloadbearing

Answer 6

O

Question 7

types of mortar:

loadbearing

Answer 7

M,S,N

Question 8

types of mortar:
loadbearing,
exterior below grade

Answer 8

S

Question 9

types of mortar:

typ. 1st choice loadbearing

Answer 9

N

Question 10

types of mortar:
only use when freeze,
+ high stress unlikely

Answer 10

O

Question 11

cement chosen by

Answer 11

masonry used,

and conditions of use

Question 12

sim mortar,

but pouring consistency

Answer 12

Grout

Question 13

grout uses

Answer 13

fill wall cavities +

bond masonry to reinforcement

Question 14

coarse grout includes this aggregate

Answer 14

no.4

pea gravel

Question 15

fine grout used when dimensions of void space are less than:

Answer 15

2”