Masonry Construction Flashcards
Masonry is a construction method made up of prefabricated masonry units laid together in various ways and joined together by what type of mix?
Mortar
What type of planning ensures concrete masonry walls are laid out so maximum use is made of full length and half length masonry units?
Modular
In most construction accomplished by Seabees, what size concrete masonry units are used?
8”x8”x16”
Which one of the two methods used by builders to estimate CMU is the quickest, but NOT the most accurate?
Square foot method
Building specifications call for a 1:2 mortar mix. Using rule 38, how many sacks of cement are required to make up a 2cd mix?
26
It takes one person (skilled labor) a total of how many man hours to lay 1000sf of 8”x8”x16” block?
160 hours
How many man hours are required to construct 1500sf of wall area using 8”x8”x16” CMU?
240 hours
What type of brick is designed to withstand exposure to below freezing temperatures in a moist climate?
SW
Tile masonry has a compressive strength of how many pounds per square inch?
300psi
Partition walls of clay tile 6” thick can resist for 1 hour a fire that produces heat not exceeding what temperature, in degrees Fahrenheit?
1700 degrees
The use of structural load bearing tiles is restricted by building codes.
True
Stone masonry units are classified into what two types?
Ashlar and rubble
What type of rubble stonework is the crudest of all types?
Random
What type of rubble consists of roughly squared stones assembled in such a manner as to produce approximately horizontal bed joints?
Coursed
The mortar used in stone masonry should be composed of what ratio of cement to sand?
1 to 3 ratio
