Term
| The economy of using concrete as a structural system requires: |
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Definition
| design that allows repetitive use of forms |
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| concrete develops strength by: |
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Definition
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| the principal factor that determines concrete strength is _____. |
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Definition
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Term
| What problems develops when too much water is placed in a concrete mix? |
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Definition
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Definition
| reduction in strength and durability |
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Term
| What is compressive strength of concrete after 28 days? |
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Definition
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Term
| Steel in reinforced concrete resists ___ ____. |
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Definition
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Term
| Compressive strength of concrete is based on ______. |
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Definition
| Standard cylinder test at 28 days of age |
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Term
| How does air-entraining mixtures affect concrete mixes? |
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Definition
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Term
| What is the purpose of the polyethylene plastic sheet used under the concrete slab on grade? |
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Definition
| to provide a moisture barrier. |
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Term
| ___ weather poses great concern when pouring concrete. |
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Definition
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Term
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Definition
| measure the consistency and workability of concrete mix |
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Term
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Definition
| measures the compressive strength of concrete and utilizes standard test cylinders that are 6 in. in diameter and 12in. long |
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Term
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Definition
| nondestructive test used to measure the strength of concrete after it has hardened in its final form |
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Term
| What test provides the most assurance that concrete strength will meet the specified strength? |
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Definition
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Definition
| the proportioning of ingredients that comprise concrete |
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Term
| What test is NOT for concrete strength? |
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Definition
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Term
| What qualities are associated with reinforced concrete (4)? |
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Definition
-Good thermal insulation
-better resistance to fire than steel
-long service life with low maintenance
-relatively high compressive strength |
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Term
| Concrete reacts through chemical reaction while resisting tension within the steel. True/false? |
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Definition
| False. Resisting = Bonding |
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Term
| Who designed structures of exceptional beauty which featured exposed concrete? |
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Definition
-Robert Maillart
-Pier Luigi Nervi
-Auguste Perret |
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Term
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Definition
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Term
| Johnson Wax Building was controversial because: |
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Definition
| its steel reinforced dendriform, tree like columns, which were tested with 60 tons of material prior to final construction |
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Term
| significance of Unity Temple in Oak Park, Illinois? Who made it? |
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Definition
| Frank Lloyd Wright. it was first cast-in-place-concrete structure in the US where the buildings surface is also its building structure. |
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Term
| At the Dulles Airport Terminal, why are the buttresses inclined? |
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Definition
| to counteract the pull of the cables which support the roof. |
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Term
| Dulles airport terminal- who designed it? |
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Definition
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Term
| Salginatobel Bridge by who? |
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Definition
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Term
| Why was Salginatobel Bridge in Switzerland an engineering feat? |
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Definition
| It was constructed with hollow box, reinforced concrete arch that spans 295ft. |
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Term
| Year Salginatobel Bridge built? |
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Definition
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Term
| The 1st architect to give architectural expression to the reinforced concrete frame? |
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Definition
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Term
| The engineer who designed a cantilevered thin shell roof at the Madrid Hippodrome formed by segments of hyperboloids? |
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Definition
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Term
| Le Corbusier pushed the limits of concrete design with which free form building out of the rubble created by the war? |
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Definition
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