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Capstone Project Presentation Final-Revised - AE

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Capstone Project Presentation Final-Revised - AE

  1. 1. 06-87-400 2016 Capstone Project Project Title: PCI Big Beam Competition By: Landmark Consultants Alaeldeen Abdelmoneim Omar Albarazi Majed Elkhereiji Junaid Khan Sofia Tahat Faculty Supervisors: Dr. Amr El Ragaby & Dr Shaohong Cheng April 1st, 2016 1
  2. 2. Project’s Outline  Introduction  PCI Big Beam competition rules and criteria  Pre-stressed concrete  Preliminary design  Timeline and work plan  Reflections 2
  3. 3. Introduction  Competition background  PSI: Pre-stressed Inc.  Capstone component  International and North American Teams 3
  4. 4. Rules & Criteria  Design accuracy  Material cost and weight  Max deflection at maximum specified load  Accurate predictions 4
  5. 5. Project Methodology  The study of pre-stress concrete concept  Design concrete mixes for the pre-casted beams  Different mixes for capstone purpose  Design of one concrete beam for the PCI competition  Design of two concrete beams for the capstone  Experimental testing and comparisons 5
  6. 6. What is Pre-Stress Concrete?  Applying a compression force/stress before subjecting it to the actual loading  Major concept is the tendon stressing  Pre-tensioning  Post-tensioning  Loads vary with time 6
  7. 7. Losses  Immediate and time dependent  Two method used  Simplified  Detailed 7
  8. 8. Service Performance  Stresses at transfer  Stresses at service 8
  9. 9. Ultimate Strength  Approximate Method  Strain Compatibility Method 9
  10. 10. Minimum Beam Section  First trial  Minimum requirements CSA-A23.3-04 ACI Concrete 318-11 Code CPCI Manual Design (4th ed.)  Shear Design  10M stirrups 10
  11. 11. 11Possible other Section Design
  12. 12. Programmable Design Spreadsheet 12
  13. 13. 13
  14. 14. 14
  15. 15. 15
  16. 16. Design Parameters for Concrete Mix  Type of cement (type III)  Slump factor (50- 75 mm)  Design compressive strength (50 MPa)  Nominal Aggregate size (10 mm)  W/C Ratio  Additives  Air Entrainment 16
  17. 17. Timeline & Work Plan 17
  18. 18. Reflections  Interest in subject  Expose experience with company  Learn about precast industry  Contribution and cooperation of our team members  Good use of different software 18
  19. 19. Thank you Questions? 19

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