The Construction and Use of Precast Concrete Slabs - Armtec Ltd.

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This tutorial by Armtec Ltd. demonstrates the specific steps and techniques used in the creation of precast concrete slabs. The informational tutorial also outlines the various ways in which concrete slabs are used in the construction of stadiums, condominiums, apartment building, bridges and walkways. Precast concrete hollowcore slabs are precision manufactured to provide an extremely dense product with a non-slip, easy-to-clean surface. Armtec provides concrete slabs that are customized to the specifications you need.

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The Construction and Use of Precast Concrete Slabs - Armtec Ltd.

  1. 1. Hollowcore – Pre-stressed Concrete SlabsHost: Scott Marshall P.Eng.
  2. 2. Join the Discussion! 2
  3. 3. Introduction• Armtec is a leading global infrastructure and construction materials company • 48 locations in Canada, including production facilities and offices in every region • Global customer base with projects around the world • Approximately 2,000 employees, $500M • Toronto Stock Exchange trading symbol: ARF.UN 3
  4. 4. Introduction• BEBO Concrete Arches • Multi-Plate• Bin-Wall • Paraglas Soundstop• Bin-Wall Bridge Abutments • Platon• Bridge Girders and Beams • Precast Concrete Steps• Bridge-Plate • Precast Concrete Structures and Elements• Communications • Precast Tunnel Liner• Concrete Sound Fencing • Precast Utility Pads• Corrugated Steel Pipe • Prestressed Hollowcore Slabs• Double Tees • Sports Venues• Durisol Precast Noise Barriers • Stormwater Treatment/Detention• Electrical Systems• Geosynthetics • Streetlight Bases and Traffic Control• HDPE Pipe • Sumps and Trenches• HDPE Tubing • Tunnel Liner Plate• Mechanically Stabilized Earth Retaining • Ultra Flo Steel Pipe Walls • Water Control Products 4
  5. 5. Professional Development Hours (PDH)• Qualifies as 1 hour Informal (20 Professional Development Hours maximum per year)• If you have provided an e-mail and are logged on throughout the presentation, a formal completion certificate will be sent to you within one week• Enter CPD activities in the APEGBC On-line Reporting Centre: http://www.apeg.bc.ca/prodev/online.html• A full copy of the Continuing Professional Development (CPD) Guideline can be viewed at: http://www.apeg.bc.ca/prodev/documents/cpdguideline.pdf 5
  6. 6. IntroductionScott L Marshall P. Eng.Bridge and Marine Structures SpecialistSenior Business Development EngineerEngineered Solutions Division of Armtec• Scott has worked the last 32 years with Armtec in Engineered Solutions promoting and selling precast prestressed concrete bridge girders, marine structures and industrial structures.• He was involved in the development of the hybrid system of using precast concrete Hollowcore slabs and cast in place slab bands on many Real Canadian Superstores in BC. 6
  7. 7. What is Hollowcore• Pre-stressed, precast concrete • Primary use is floor and roof slabs • Continuous voids are used to reduce weight and improve structural performance • Cast in 1220 mm widths • Thickness (Richmond BC) o 203 mm o 305 mm o 356 mm 7
  8. 8. What is Hollowcore 8
  9. 9. What is prestressing? 9
  10. 10. Casting machine and beds 10
  11. 11. Casting beds and saw 11
  12. 12. Method of Construction – HC on forming 12
  13. 13. Real Canadian Superstore - Kamloops 13
  14. 14. Real Canadian Superstore - Kamloops 14
  15. 15. Real Canadian Superstore - Kamloops 15
  16. 16. Method of Construction – HC on slab band 16
  17. 17. Edmonds Centre – Burnaby 17
  18. 18. Edmonds Centre – Burnaby 18
  19. 19. Creative Structures – Surrey City Centre 19
  20. 20. Creative Structures – The Liu Centre 20
  21. 21. Uptown Mall in Victoria 21
  22. 22. Uptown Mall in Victoria Wal-Mart Store 22
  23. 23. Uptown Mall in Victoria 23
  24. 24. Environment Environment Friendly Hollowcore with Fly ash 24
  25. 25. Other products use Hollowcore 25
  26. 26. Summary• Pre-stressed, precast concrete • Primary use is floor and roof slabs • Reduce weight and improve structural performance • Cast in 1220 mm widths • Various thickness to match to loading and span• Benefits • Longer clear spans - space versatility • Increase speed of construction - early occupancy • Design for control of deflection • Design for control of flexural cracking • Environmental applications 26
  27. 27. John Rutherford M.Sc. P.Eng.John.Rutherford@armtec.com(604) 214-3253 27

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