HC-Lecture13-Stone-and-CMU-Masonry

HC-Lecture13-Stone-and-CMU-Masonry - Heavy Construction...

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Heavy Construction Heavy Construction Lecture #13 Lecture #13 Stone and CMU Masonry L Prieto-Portar 2008
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Stone versus brick masonry. - Similarities: Both are stacked, and have mortar joints. - Differences: Bricks are molded whereas stones are cut and carved. - Physical Properties: Bricks are made to different requirements, whereas stones provided by nature “as is”. Types of building stones. 1) Igneous (for example, granites, diorites, labradorites, etc). These rocks are non- porous, hard, strong, durable. They are used for external claddings, and internal walls and floors. 2) Sedimentary (for example, limestones, sandstones, shales, coquinas, etc). These rocks are porous and relatively weak. They absorb water and stain. Usually are cut in thicker slabs. 3) Metamorphic (for example, marbles, quartzite's, slates, etc).
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This cladding is made from a polished pink granite.
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Rough texture of a pink granite Polished surface of a pink granite
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Limestone at top with granite at bottom.
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Marble cladding.
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Marble flooring.
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Slate is metamorphosed shale .
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Slate flooring.
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Types of stone - Fieldstones: these are rough, obtained from rock fields and river beds. - Rubble stones: these are irregularly quarried fragments that have one good face. - Dimension stone : these are quarried and cut to a rectangular shape. The quarrying and the milling of stones.
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HC-Lecture13-Stone-and-CMU-Masonry - Heavy Construction...

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