Ch.8 Flashcards
________ is one of the oldest and simplest building materials , it’s used date back thousands of years?
Masonry
The primary benefit of masonry components is their durability and inherent resistance to?
Weather
Fire
Insects
Compressive strength of brick ?
2000-20,000 psi
Compressive strength of Granite ?
15,600 to 30,800psi
Compressive strength of limestone ?
2600 to 21,000psi
Compressive strength of sandstone?
4000 to 28000 psi
____________ consists of rock pieces that have been removed from a quarry and cut to the size and shape desired?
Stone masonry
Bricks are produced from a variety of locally available _____ and ______?
Clays and shales
For most brick sizes , three courses (horizontal layers) or brick plus the intervening mortar joints equals a height of ____ inches?
8 inches
Bricks are fired in a kiln at a temperature as high as _______?
2400 degrees
Brick firing process takes ___ to ___ hours?
40 to 150 hours
Hollow concrete blocks are produced in a number of sizes and shapes , the most common is the __x__x__ inch block?
8x8x16 inch block
Fired clay tile known as _____________ was once popular for decorative effects and may still be found in older buildings ?
Structural terra cotta
Most mortar is produced from a mixture of ___________, ___________, ________ and water?
Portland cement
Hydrated lime
Sand
Walls constructed with fire rated concrete masonry units or bricks can have a fire resistance rating of __ to __ hours or more?
2 to 4 hours