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Definition
| custom beam fabricated by welding plate together. used by Mies to thicken beam moment. |
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| stress develops when you load beam, the friction between the steel and the concrete |
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| length needed for bar to develop to its full capacity. |
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| lateral moment of inertia |
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Definition
| pull edge out to edge to increase moment of inertia. measure of an objects resistance to rotation. |
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Definition
| concrete cast out of place |
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| induced, faster, more uniform |
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| transfer shear. moment = 0 at ends |
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| transfer shear. moment = 0 at ends |
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| attach at web because thats where the shear stress is. |
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Definition
| deflection=( K x load x length) / (moment of elasticity x area) |
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| transfer moment. moment = 0 at ends |
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| transfer moment. attach @ flanges b/c thats where bending stress is. |
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| load held in tension by cables |
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| right before steel yields |
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Definition
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| can't take any more moment. happens when steel is yielding |
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Definition
| formation of an unstable structure |
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Definition
| basically always steel frame. |
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Definition
| movement generates bending stress in fixed connections |
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Term
| why is a simply-supported constant cross section beam inefficient? |
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Definition
| because moment isn't constant, but beam is. means you have to design the whole beam for the largest moment, even thou most of the beam doesn't need it. |
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Term
| two methods to anchor steel rebar |
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Definition
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| six factors that effect a beam's deflection |
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Definition
= (load x length) / (modulus of elasticity x area)
also, prestressing, and k (effective length & support conditions) |
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Term
| can draped prestressing tendons be pretensioned? |
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Definition
| no, they wouldn't be draped. |
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Term
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Definition
| so you don't chip the corner. provides level of clearance for deflection |
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| details for bearing connection |
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Definition
| bearing plate, chamfering the edge, shear key |
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Term
| why are fixed connections hard to achieve in wood? |
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Definition
| wood has directionality. glue is sucked into the grains |
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| necessary detailing in two steel WF sections? |
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Definition
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| necessary detail in cold joint? |
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| additional costs when building's structure is exposed? |
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Definition
| temperature- expands/contracts, differential settlement. |
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| anything to help take up the shear stress |
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