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Chapter 8 Review CON252

Chapter 8 Review CON252 - 5 Mortar contains Portland cement...

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Chapter 8 Summary 2. The most common type of masonry units is the brick, stones, and concrete blocks. 3. The three molding process for manufacturing bricks are soft mud, dry press, and stiff mud. The soft mud is the oldest and involves pressing clay into molds. Dry press uses machines to press clay in to steel molds. Stiff mud, the last process, involves extruding clay through a rectangular die. It is also the most common method used today. 4. Mortar functions to provide full bearing of the bricks, seals between masonry units, bond masonry units and for its aesthetics.
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Unformatted text preview: 5. Mortar contains, Portland cement, hydrated lime, sand, and water. Mortar can also contain admixtures in order to make the mortar behave in a certain way or look a certain way. The cement is the bonding agent. The hydrated lime acts to make the mortar workable. The sand and water help the mortar be able to be placed in the manner that the layer needs. 6. Mortar joints are tooled in order to help keep them uniform in both looks and in their strength. Type M and type S are suitable for sever climates and loads....
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