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Innovative Prefab Panel as a Flooring Slab: Structural and Economic Analysis

DESCRIPTION

This study investigates a new prefabricated panel designed as a flooring slab, addressing issues such as high dead loads in buildings, construction costs, and environmental impacts. The structural analysis reveals impressive strength characteristics, including weight reduction by up to 50% and significant cost savings of 20% compared to traditional slabs. Additionally, the panel exhibits enhanced performance attributes, such as waterproofing, fire resistance, and sound insulation. This innovative solution not only improves construction efficiency but also offers benefits in energy savings and earthquake resilience.

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Innovative Prefab Panel as a Flooring Slab: Structural and Economic Analysis

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Presentation Transcript

  1. KING FAHD UNIVERSITYCIVIL ENGINEERING DEPARTMENTA New Prefab Panel As a flooring slabWeb Grid Core PanelABDUL FATTAH DARWISH

  2. Subjects • The Problem ? • Panel Description • Structural Study • Economical Study • Comparison • conclusion

  3. Problems ? • High Dead Loads in buildings ? • D/L ≥ 2 In ordinary buildings • D/L = 1 In Hollow Core Slab ? • Construction Cost & Time • Slab Cost @70% of Skelton • Slab Time @ 75% of Skelton Time • Earthquake Disasters • Mass & Height • Environmental Impacts of Concrete • Roads & Crushing Plants Problems • Energy Loss • Crushing Plants,Transportation & Construction

  4. Panel Description Components • Web Grid Core • Cladding Plats • Filling Material • Connecting Devices

  5. Panel Description Strength Points • Very Light : 10% of concrete Weight • Very strong : 50 cm for 20x20 m • Could be one or two way slab action • Reduce @ 50% of Building Weight • Reduce @20% of skeleton cost • Reduce construction time • Reusable,Removable and adjustable • Easy to transport & install

  6. Panel Description Improving points • Water Proofing • Fire & Heat Resistance • Electric Conductivity • Sound Resistance • Connecting Devices

  7. Structural Study Data • Dimensions are: 6 x 6 x 0.20 meter • Pinned supports all around • All elements are 1.5 mm thick. • Total load is 300 kg/m2 Results • Max. stress is 0.15 t/cm2 • Max Deflection 1.0 mm

  8. Stress isometric

  9. Top Plate Stress 0.15 t/cm2

  10. Bottom Plate Stress 0.13 t/cm2

  11. Deflection is 1mm Central Rib Stress 0.13 t/cm2

  12. Economical study Data: • 10 floors building • Floor area 12X12 m • Current prices for ribbed slab Result: • 20 % Reduction in skeleton cost if we use the new panel

  13. Comparison against: • Solid Slab • Ribbed Slab • Hollow Core Slab • Siporex

  14. Deflection

  15. Density (t/m3)

  16. Cost (SR/m3)

  17. Installing Time (day)

  18. ManufacturingTime (weeks)

  19. Achievements • Load Reduction (> 50%) • Cost Reduction (>20%) • Saving Victims in earthquakes • Environmental Benefits • Energy Savings

  20. Conclusion • It has strength points • It has improving points • A Feasibility study should be done to ensure : • Performance • Manufacturing • Use & Cost

  21. Questions

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