المحاضرة الرابعة والثلاثون - مقدمة عن السلالم وأنواعها https://youtu.be/aGVJS-Zg7BM المحاضرة الخامسة والثلاثون - اعتبارات ومصطلحات معمارية للسلالم https://youtu.be/1z1QdAni-AI المحاضرة السادسة والثلاثون - تصميم السلالم وتفاصيل تسليحها https://youtu.be/lGK28FoQNvE م. أحمد جمال عبد الجواد

1. CHAPTER 11: STAIRS

2. CONTENTS
Introduction to stairs
Types of stairs
Technical terms
Architectural considerations
Drawing in plan
Loads on stairs
Design & Reinforcement
Chapter 11 Problems

3. Introduction
INTRODUCTION TO STAIRS

4. In door stairs
TYPES OF STAIRS
Out door stairs

5. Rested on RC Walls
TYPES OF STAIRS
Spring stairs Saw tooth stairs

6. Two flight stairs
TYPES OF STAIRS
Three flight stairs

7. TECHNICAL TERMS

8. TECHNICAL TERMS

9. TECHNICAL TERMS

10. TECHNICAL TERMS

11. Rise
Going
Landing
ARCHITECTURAL CONSIDERATIONS

12. Direction of rise
ARCHITECTURAL CONSIDERATIONS

13. Arch. plan
DRAWING IN PLAN

14. Structural plan
DRAWING IN PLAN

15. Load on horizontal slab
Load on inclined slab
LOADS ON STAIRS

16. Slab thickness
DESIGN & REINFORCEMENT

17. DESIGN & REINFORCEMENT
Load strip is in the
inclined direction

18. Load strip is in the
inclined direction
DESIGN & REINFORCEMENT

19. Load strip is in the
horizontal direction
DESIGN & REINFORCEMENT

20. Load strip is in the
horizontal direction
DESIGN & REINFORCEMENT

21. CHAPTER 11 PROBLEMS
A staircase in a building with 3.3 m floor
height. Design the stair in the following cases:
1- Two flights.
2- Three equal open-well stair.
Stair width = 1.2 m, Landing width = 1.2 m
L.L. = 3 KN/m2. F.C. = 1.5 KN/m2.
Fcu = 25 KN/mm2. Fy = 360 N/mm2.
(1)
(2)

22. REFERENCES
Design of R.C. Structures, Eng. Ahmed Gamal Abdel Gawad.
Lectures in Reinforced Concrete, Eng. Yasser Elleathy.
Design of Reinforced concrete, Dr. Magdy A. Tayel.
Design of Reinforced Concrete Structure II, D. Mashhour A. Ghoneim.
Reinforced Concrete, Dr. Nasr Younis.