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39 Cards in this Set
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One of the oldest manufactured building materials used as a mortar and plaster by early civilization. |
LIME |
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Developed the first real cement in the mixture of lime putty and volcanic ash. |
Romans |
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Used as an ingridient of hard finish coat for gypsium and keenes cement. |
Hydrated Lime |
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Advantages of hydrated lime. |
1. Increase workability of plaster. 2. Decrease permeability to water. 3. Reduce cracking due to shrinkage. |
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Was used as a plaster by egyptian, greeks,and romans. |
Gypsum |
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A material with proper proportion of lime,silica,alumina,and iron component. |
Portland cement |
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Prepared mixture of portland cement and hydrated lime. |
Masonry cement |
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It is called a quick setting cement. Attains its compressive strength in 28 days. |
Alumina cement |
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A type of cement that made of lime mortar and pozzolanic cement. |
Pozzolanic cement |
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Artificial stone made by inert materials,mixed with cement and water. |
Concrete |
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Sand,gravel,crushed stone, cinder,burned clay,expanded vermiculit and perlite. |
Aggregate |
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Found in riverbeds,free of salt and must be washed. |
Sand |
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Smaller than 1/4" diameter stone. |
Fine Aggregate |
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Bigger than 1/4" diameter stones. |
Course aggregate |
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An admixture which is used to speed up the initial setting time of the concrete. |
Accelerator |
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An addmixture used to delay or extend setting time of the cement paste of the concrete. |
Retarder |
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3 types of concrete block |
1.Hollow load bearing concrete block. 2.solid load bearing block. 3.hollow non load bearing concrete block. |
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Size of a hollow load bearing concrete block. |
8" X 8" X 16" |
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8"x8"x16" in size, 40-50lb when use heavy aggregates, 25-35lb when use lightweight aggregates. |
Hollow load bearing concrete block. |
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Core area are not exceed 25% percent of the gross cross sectional area. |
Solid load bearing block. |
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Core area exceeds 25% of the cross sectional area. |
Hollow non load bearing concrete block. |
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Calcareous clay Non calcareous clay |
2 classes of clay |
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Contains 15 percent calcium carbonate. Yellowih color |
Calcareous clay |
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Composed of silicate of alumina. Red or salmon in color |
Non calcareous clay |
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Standard size of brick |
2 1/4" x 3 3/4" x 8" |
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Are hollow units brick. Same material as brick. Formed by extrusion in the stiff-mud process. |
Structural clay tile |
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Means "fired earth" made by machine extruded and molded or pressed. |
Terra cotta |
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Weight of concrete |
2400kg/cu.m |
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Weight of water. |
1000kg/cu.m |
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Argalite Granite Limestone Travertine Marble Serpentine Sandstone Slate rock |
Types of building stone |
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Stone construction |
Paneling Ashlar Rubblework Trim |
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Types of mortar according to strength. |
Type M Type S Type N Type O TYPE K |
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Type k mortar |
Very low strength |
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Type M mortar |
High strength |
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Type O mortar |
Low strength |
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Type S mortar |
Medium High strength |
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Type N mortar |
Medium Strength |
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Size of aggregates for reinforced beams,floor slab,thin walls. |
1" |
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Size of aggregates for footings,thick wall,massive walls |
2" |