Homework-02a

Homework-02a - Florida International University Department...

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Florida International University Department of Civil and Environmental Engineering CES-4600 / EGN-5439. The Design of Tall Buildings Homework #2 due on Wednesday, 21 May 2008 “Solution-on-the-back-of-an-envelope” #2:” (20 points). Refer to Lecture-04-Design-Criteria on my website (Google: “Prieto-Portar”). Undergraduates may “consult” with graduate students to attempt all homework problems. Using slides #4 (Figure “b”), calculate the maximum tensile and compressive stresses in the ground level columns of a 110-story building. Let us use one of the World Trade Center towers, 1,353 feet high and roughly 209 feet wide by 209 feet long in plan. The structure was a steel framed-tube. Assume that the entire structure consisted of an outer tube (that is, no interior columns). Each tower had chamfers on each corner (look closely at Lecture-02’s slide 40). We will ignore these chamfers, and assume the tower was supported by 256 vertical columns tied with spandrel beams. Therefore, each side had 65 columns, each 14” x

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This note was uploaded on 08/29/2011 for the course CES 4600 taught by Professor Staff during the Fall '08 term at FIU.

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Homework-02a - Florida International University Department...

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