1. Lesson 5: Load Path

3. Concrete Slabs on Beams One-Way SlabTwo-Way Slab

4. Concrete Slabs on Beams One-Way SlabTwo-Way Slab

5. Simple-Braced Building

6. All Connections Simple (pins)

7. Building System Parts/Terms

9. Column

10. Building System Parts/Terms Column Fill Beam

11. Building System Parts/Terms Column Fill Beam Girder

12. Building System Parts/Terms Column Interior Fill Beam Exterior Girder Exterior Fill Beam Interior Girder

13. 1 Story Building Brace (truss)

14. Slab = “Diaphragm” Brace prevents X-direction Movement of this point

15. Slab = “Diaphragm” Brace prevents X-direction Movement of this point Brace prevents Y-direction Movement of this point

16. Slab = “Diaphragm” Brace prevents X-direction Movement of this point Brace prevents Y-direction Movement of this point Slab is rigid in X-Y Plane. Slab is connected to every other point

17. Slab = “Diaphragm” Braced Slab is rigid in X-Y Plane. Slab is connected to every other point. Therefore: Slab + braced points = Every column is braced. Braced

18. Slab = Diaphragm: a body that with planar rigidity. With several braces and a floor diaphragm, all columns are braced Braced Slab is rigid in X-Y Plane. Slab is connected to every other point. Therefore: Slab + braced points = Every column is braced. Braced

19. 1 Story Building Beam-Column Connections: Pins Foundations: Pins

20. 1 Story Building mmmmm… Strangely familiar…..

21. 1 Story Building

25. Homework Lesson 4

26. Beam FBD’s

27. 6k6k 6k6k 6k6k

28. Gravity, only Beam FBD’s 60 k

29. Gravity, only Column FBD’s 60 k 120 k

30. Now, Adding Lateral Force Column FBD’s 60 k 120 k 0k0k 0k0k 0k0k

31. Now, Adding Lateral Force Column FBD’s 60 k 120 k 0k0k 0k0k 0k0k 6k6k