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الفصل العاشر - البلاطات المسطحة - تصميم المنشآت الخرسانية المسلحة

المحاضرة السادسة والعشرون - مقدمة عن البلاطات المسطحة
https://youtu.be/qTGJ9gPw-wY

المحاضرة السابعة والعشرون - قص الاختراق في البلاطات المسطحة
https://youtu.be/F4awzv62TgY

المحاضرة الثامنة والعشرون - استخدام التسليح لمقاومة قص اختراق
https://youtu.be/NRpeerUDovw

المحاضرة التاسعة والعشرون - الطريقة التجريبية للبلاطات المسطحة
https://youtu.be/SeMUQA7u0Q4

المحاضرة الثلاثون - حل البلاطات المسطحة كإطارات
https://youtu.be/JzwvndbDo1Q

المحاضرة الحادية والثلاثون - الكوابيل والفتحات في البلاطات المسطحة
https://youtu.be/mV9GdkF2bzg

المحاضرة الثانية والثلاثون - تفاصيل تسليح البلاطات المسطحة
https://youtu.be/y-P1KWwiTZA

المحاضرة الثالثة والثلاثون - الكمرات الخارجية للبلاطات المسطحة
https://youtu.be/m4eJO6Yt_b4

م. أحمد جمال عبد الجواد

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الفصل العاشر - البلاطات المسطحة - تصميم المنشآت الخرسانية المسلحة

  1. 1. CHAPTER 10: FLAT SLABS
  2. 2. CONTENTS Introduction to flat slabs Dimensions & Loads Check punching Column & Field strips Empirical method Frame analysis method Design & Reinforcement Cantilevers & Openings Marginal Beam Chapter 10 Problems
  3. 3. Introduction INTRODUCTION TO FLAT SLABS
  4. 4. Types: 1- Flat plate INTRODUCTION TO FLAT SLABS
  5. 5. Types: 2- Flat slab with drop panel INTRODUCTION TO FLAT SLABS
  6. 6. Types: 3- Flat slab with column head INTRODUCTION TO FLAT SLABS
  7. 7. Types: 4- Flat slab with drop panel and column head INTRODUCTION TO FLAT SLABS
  8. 8. Flat vs Solid: INTRODUCTION TO FLAT SLABS
  9. 9. Concept of analysis: INTRODUCTION TO FLAT SLABS
  10. 10. Slab thickness: DIMENSIONS & LOADS
  11. 11. Slab thickness: DIMENSIONS & LOADS
  12. 12. Columns dimensions: DIMENSIONS & LOADS
  13. 13. Column heads: DIMENSIONS & LOADS
  14. 14. Column heads: DIMENSIONS & LOADS
  15. 15. Drop panels: DIMENSIONS & LOADS
  16. 16. Drop panels: DIMENSIONS & LOADS
  17. 17. Loads on slab: DIMENSIONS & LOADS
  18. 18. Punching failure CHECK PUNCHING
  19. 19. Position of column: CHECK PUNCHING
  20. 20. Punching strength: CHECK PUNCHING
  21. 21. Design against punching: CHECK PUNCHING
  22. 22. Resisting punching using RFT: * Shear studs * Shear heads * Bent bars * Stirrups CHECK PUNCHING
  23. 23. Stirrups (Integral beam): CHECK PUNCHING
  24. 24. Column strip: COLUMN & FIELD STRIPS
  25. 25. Field strip: COLUMN & FIELD STRIPS
  26. 26. Conditions: EMPIRICAL METHOD
  27. 27. Moments: EMPIRICAL METHOD
  28. 28. Moments: EMPIRICAL METHOD
  29. 29. Modification factor: EMPIRICAL METHOD
  30. 30. Conditions: FRAME ANALYSIS METHOD
  31. 31. Moment of Inertia: *Columns FRAME ANALYSIS METHOD
  32. 32. Moment of Inertia: *Slab (Without drop panel) FRAME ANALYSIS METHOD
  33. 33. Moment of Inertia: *Slab (With drop panel) FRAME ANALYSIS METHOD
  34. 34. Moments: FRAME ANALYSIS METHOD
  35. 35. Cantilevers: CANTILEVERS & OPENINIGS
  36. 36. Openings: CANTILEVERS & OPENINIGS
  37. 37. Openings: CANTILEVERS & OPENINIGS
  38. 38. Without drop panel: DESIGN & REINFORCEMENT
  39. 39. With drop panel: DESIGN & REINFORCEMENT
  40. 40. Without marginal beam: DESIGN & REINFORCEMENT
  41. 41. With marginal beam: DESIGN & REINFORCEMENT
  42. 42. Introduction: MARGINAL BEAM
  43. 43. Loading: MARGINAL BEAM
  44. 44. Torsion: MARGINAL BEAM
  45. 45. CHAPTER 10 PROBLEMS (1) It is required to design the flat slab roof shown in figure. For architectural purposes, it is not allowed to use drop panels or columns’ heads. Fcu = 25 N/mm2. Fy = 360 N/mm2. L.L. = 4 KN/m2. F.C. = 2 KN/m2. Walls = 1.5 KN/m2. Floor height = 3.5 m
  46. 46. CHAPTER 10 PROBLEMS (2) Check the safety against punching failure of a corner column (0.4 x 0.4 m) in a flat slab system without marginal beams of a typical panel (6.5m x 6m). The total ultimate load is 17 KN/m2, ts = 200 mm and Fcu = 25 N/mm2.
  47. 47. 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.

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