1. There are six questions; answer five
Philosophy of Structures
 Arch 526
Midterm Exam
March
Question 1
Question 2
Question 3
Question 4
Question 5
Question 6
There are six questions; answer five

2. Question 1     Why is curvature, in particular double curvature, such a powerful element in the arsenal of the structural-thinking architect and engineer?

3. How was this tree structure translated into the ‘table’ on the right
How was this tree structure translated into the ‘table’ on the right? Identify at least three different steps What new branch of geometry was used What dimension do you estimate this tree has?

4. In the picture of this roof system three different structural elements made out of three different materials are used. Briefly describe the three systems, the three materials and the three reasons these particular materials were used for the specific use in this structure

5. In Innsbruck there was a lot of opposition against the replacement of the Old Hungerbrug station with Zaha Hadid’s new one. Left picture: Original bridge and station Hungerburg Austria Right pictures: New station by Zaha Hadid Support structure for free-form glass shell skin
List some differences in motivation (and resulting form) between the original design and the Hadid design.

6. Paul Kassabian, the eminent engineer- lecturer-practitioner who gave the annual ‘Steel Lecture’ sponsored by the Steel Structures Education Foundation last week made the following statement in his presentation:
“The search is on these days for simple (computer) routines and algorithms that can produce complicated structures”
Describe and make a sketch of a simple pattern (or routine) that leads to a very complex structure.
Estimate the ‘dimension’ of the structure you have illustrated.