Day 8: Announcements
Homework
Homework will only be accepted at the beginning of the lecture from now on. No late homework will be accepted or graded.
Lab
Be ready to create a two-dimensional model of your bridge proposal.
NExt week is the BIG event....
AFTER you have completed the construction of the bridge, paint one "fassade" with a white wash or light spray of white. This is to enhance the visualization of the failure mode as it is filmed.
Note that your homework assignment for today deals with your case study.
Final Exam
According to the schedule:
4.440 - Thursday 22. May, 9 - 12
4.441 - Tuesday 20. May, 9 - 12
Plan accordingly until further notice.
Today's outline......
The Headlines: A Tornado, A Quake
Slides
Lecture 17 : Primary Loads
Dead or a-Live
- Self-weights
- pcf vs. psf vs. plf (volume, surface, line)
- Calculation of ...
- Example of floor
- Example of wall
- Example carried to the foundation!
Live Loads
- Weather
- Snow, Wind (later)
- Occupancy
- variable nature of a person's weight
- Auditorium Example
Snow
Snow Chart
Squaw Valley Sports Arena
Slides
Lecture 18 : Lateral Loads (I)
- Wind (EQ Thursday)
- Effects of Form
- Load Determination (UBC equation)
- Effects of Place, etc.
- Positve and Negative Pressures
- Uplift
- Damping
IF Time allows:
- A two- and three-force problem solved.
- Potential application of various structural schemes
Copyright © 1997 by Chris H. Luebkeman