خرسانة مسلحة (1)
الخرسانة المسلحة Reinforced Concrete هي خرسانة عادية مضاف إليها الحديد ويسمى حديد التسليح، تتحمل الخرسانة قوى الضغط بشكل جيد جداً
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عن الدورة
الخرسانة المسلحة Reinforced Concrete هي خرسانة عادية مضاف إليها الحديد ويسمى حديد التسليح، تتحمل الخرسانة قوى الضغط بشكل جيد جداً لكنها ضعيفة جداً أمام قوى الشد لذلك يضاف الفولاذ لقدرته على تحمل قوى الشد ونادراً ما يوضع الفولاذ للقيام بمقاومة قوى الضغط
محتوى الدورة
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1. Course Objectives00:03:25
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2. Brief Course Description00:03:41
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3. Course Outline00:06:31
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4. Advantages of Concrete Structures00:03:42
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5. Disadvantages of Concrete Structures00:04:27
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6. Limit States and Design00:02:55
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7. Serviceability Limit States00:02:06
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8. Special Limit States00:01:18
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9. Limit States Design00:01:15
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10. ACI Building Codes00:02:23
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11. Design Philosophy00:02:21
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12. Strength Design Method00:03:24
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13. Safety Provisions00:03:34
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14. Variability in Resistance00:04:28
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15. Consequences of Failure00:02:52
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16. Specifications and Loading00:05:05
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17. Properties of Concrete00:06:19
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18. Types of compression failure00:02:12
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19. Properties of Steel00:03:54
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20. Class of Structures00:03:16
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21. Cover and Transverse Reinforcement00:03:13
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22. Design of Spiral Reinforcement00:02:58
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23. Strain and Stress in Concrete Beams00:06:53
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24. Preliminary Design Values00:03:12
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25. The stages before collapse (Beams)00:04:32
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26. Cracked Concrete (Tension Zone) - Elastic Stage00:04:31
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27. Basic Concepts of RC Beams00:05:01
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28. Flexural Stress00:05:39
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29. Basic Assumptions in Flexure Theory00:04:21
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30. The compressive coefficients of the stress00:04:21
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31. Example of rectangular reinforced concrete beam00:02:46
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32. Example of non-rectangular reinforced concrete beam00:03:22
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33. Inelastic Behavior00:04:10
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34. Limitations on Reinforcement Ratio00:04:31
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35. Additional Requirements for Lower Limit on Reinforcement Ratio00:04:13
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36. Determine Balanced Reinforcement Ratio00:03:17
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37. Example - Balanced Reinforcement Ratio00:04:19
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38. Analysis of Doubly Reinforced Sections00:04:32
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39. Reasons for Providing Compression Reinforcement00:03:50
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40. Effect of Compression Reinforcement00:04:59
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41. Doubly Reinforced Beams00:05:52
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42. Analysis of Doubly Reinforced Rectangular Sections00:03:27
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43. Limitations on Reinforcement Ratio for Doubly Reinforced beams00:03:02
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44. Example: Doubly Reinforced Section00:03:15
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45. Analysis of Flanged Section00:04:37
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46. ACI Code Provisions for Estimating beff00:03:10
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47. Analysis of T-Beam00:05:19
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48. Limitations on Reinforcement for Flange Beams00:04:41
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49. Flexural Design of Reinforced Concrete Beams and Slab Sections00:04:02
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50. ACI Code Requirements for Strength Design00:03:52
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51. Flexural Design of Reinforced Concrete Beams and Slab Sections00:04:36
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52. Factored Load Combinations00:05:00
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53. Resistance Factors, f - ACI Sec 9.3.2 Strength Reduction Factors00:03:44
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54. Background Information for Designing Beam Sections00:05:03
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55. Minimum Cover Dimension00:04:37
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56. Design Procedure for section dimensions are unknown00:04:49
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57. Flexural Reinforcement in Slabs00:06:15
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58. Reinforcement Development Lengths, Bar Cutoffs, and Continuity - 100:07:01
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59. Reinforcement Development Lengths, Bar Cutoffs, and Continuity - 200:04:51
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60. Factors used in expressions for Development Length (ACI 12.2.4)00:04:50
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61. Development Length for Bars in Compression (ACI 12.3)00:04:24
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62. Hooked Bar at Discontinuous Ends (ACI 12.5.4)00:03:18
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63. Standard Hooks for Tension Anchorage00:03:35
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64. Design of Standard Hooks for Tension Anchorage (ACI 12.5)00:03:14
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65. Bar Cutoff Points00:04:16
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66. Determining Locations of Flexural Cutoffs00:04:06
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67. Bar Cutoffs - General Procedure00:03:34
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68. Examples00:03:32
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69. Bar Splices00:02:40
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70. Tension Lap Splice (ACI 12.15)00:03:53
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71. Compression Lap Splice (ACI 12.16)00:02:52
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72. Uncracked Elastic Beam Behavior00:03:27
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73. Inclined Cracking in Reinforced Concrete Beams00:04:06
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74. Shear Strength of RC Beams without Web Reinforcement00:03:39
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75. Function and Strength of Web Reinforcement00:03:10
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76. Designing to Resist Shear00:03:32
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77. Shear Strength Provided by Concrete00:03:54
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78. Lightweight Concrete00:02:55
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79. Typical Shear Reinforcement00:03:28
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80. Stirrup Anchorage Requirements00:02:54
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81. Design Procedure for Shear00:04:27
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82. Location of Maximum Shear for Beam Design00:03:03
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83. RC structural systems (Floor Systems)00:05:08
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84. Flat slab (w/ drop panels and/or capitals)00:03:17
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85. One-way joist system00:04:14
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86. Two-way waffle system00:03:37
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87. Flexural Reinforcement in Slabs00:04:27
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88. Reinforcement Development Lengths, Bar Cutoffs, and Continuity00:05:19
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89. Reinforcement Development Lengths00:03:47
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90. Factors used in expressions for Development Length (ACI 12.2.4)00:07:56
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91. Hooked Bar at Discontinuous Ends (ACI 12.5.4)00:02:57
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92. Thickness of One-Way Slabs00:03:51
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93. Cover for Slab Reinforcement00:02:25
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94. Slab Reinforcement00:02:45
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95. Cutoffs of Slab Reinforcement00:02:51
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96. Definition and General Information00:04:25
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97. Elastic Behavior00:04:16
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98. Behavior, Nominal Capacity and Design under concentric Axial loads - 100:08:04
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99. Behavior, Nominal Capacity and Design under concentric Axial loads - 200:05:37
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100. Approximate Analysis Methods00:03:06
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101. Biaxial Bending in Short Columns00:02:30
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102. Definition and General Information00:02:21
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103. Crack Width Control00:05:49
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104. Limits on Crack Width00:03:38
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105. Deflection Control00:03:13
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106. Allowable Deflections00:03:03
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107. Moment of Inertia for Deflection Calculation00:02:45
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108. Moment Vs curvature plot00:03:43
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109. Moment of Inertia00:04:42
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110. Stiffness of Reinforced Concrete Sections - Example00:02:11
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111. Calculate the Deflections00:02:24
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112. Serviceability Load Deflections - Example - 100:04:15
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113. Serviceability Load Deflections - Example - 200:03:41
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