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BS session 11
| Question | Answer |
|---|---|
| Tube-in-Tube | braced inner core added to the perimeter tube to improve shear stiffness and lateral stability |
| 1 shell plaza in Houston, Texas | -perimeter had closely space columns -one of the first light weight concrete buildings -tubes are tied together with deep concrete spandrel beams -at the corners they came up with waffle slabs -it helped with the torsion |
| Perforated shell tube | a tube with perimeter shear walls with less than 30% of the surface area perforated by openings * Mad (museum of American design) * Sinosteel international plaza o Tianjian, China o Use various sizes of hexagons to perfor |
| Trussed tube | a tube with trussed wall frames of widely spaced columns tied together by diagonal or cross bracing |
| Lattice trussed tube | a tube with the perimeter space frame with diagonals and no vertical columns |
| Damping mechanisms | mechanical devices installed in tall buildings to progressively eliminate and or diminish the vibratory or oscillatory motion that can cause buildings to collapse |
| Wind dampening mechanisms | the primary device is the tuned mass damper |
Created by:
earbito
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