BU2 Study Guide Masonry Construction

It takes one person (skilled labor) 16 man hours to lay 100 square feet of 8" x 8" x 16" concrete block. How many man hours will it take lay 1,000 square feet of 8" x 8" x 16" concrete block?

160

Partition walls of clay tile 6 inches thick can resist for 1 hour a fire that produces heat not exceeding what temperature, in degrees Fahrenheit?

1700

The mortar used in stone masonry should be composed of what ratio of cement to sand?

1:3

It takes one person (skilled labor) 16 man hours to lay 100 square feet of 8" x 8" x 16" concrete block. How many man hours will it take lay 1,500 square feet of 8" x 8" x 16" concrete block?

240

Building specifications call for a 1:2 mortar mix. Using rule 38, how many sacks of cement are required to make up a 2 cubic yard mix?

26

Tile masonry has a compressive strength of how many pounds per square inch?

300

In most construction accomplished by Seabees, what size concrete masonry units (CMUs) are used?

8" x 8" x 16"

Stone masonry units are classified into what two types?

Ashlar and rubble

What type of rubble consists of roughly squared stones assembled in such a manner as to produce approximately horizontal bed joints?

Coursed

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

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 brick is designed to withstand exposure to below freezing temperatures in a moist climate?

SW

Which method used by Builders to estimate CMUs is the quickest, but NOT the most accurate?

Square foot method

What type of rubble stonework is the crudest of all types?

Standard

(True or False) The use of structural load bearing tiles is restricted by building codes.

True