BS session 11
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Tube-in-Tube | braced inner core added to the perimeter tube to improve shear stiffness and lateral stability
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| 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
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| 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
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| Trussed tube | a tube with trussed wall frames of widely spaced columns tied together by diagonal or cross bracing
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| Lattice trussed tube | a tube with the perimeter space frame with diagonals and no vertical columns
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| 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
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| Wind dampening mechanisms | the primary device is the tuned mass damper
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
earbito
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