Bubble deck Technology is the innovative system that eliminates Concrete in the mid section, secondary supporting structure such as beams reinforced concrete columns or structural walls.
3. BUBBLE-DECK
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High density
polyethylene hollow
spheres
Fig. 2. Section of Bubble deck slab
System which eliminates the inactive concrete from the
slab
Reducing the structural dead weight
4. COMPOSITION
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Plastic spheres
Steel
Concrete
Fig. 3. Composition of Bubble deck slab
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5. Department of Civil Engineering, UEC 5
Version
Bubble
diameter
(mm)
Minimum
slab
thickness
(mm)
Minimum
centre to
centre
spacing
(mm)
BD230 180 230 200
BD280 225 280 250
BD340 270 340 300
BD390 315 390 350
BD450 360 450 400
BD510 405 510 450
BD600 450 600 500
Table 1. Different types of Plastic Bubbles available in market
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6. TYPES OF BUBBLE-DECK
Type A - Filigree elements
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Fig. 4. Type A - Filigree
elements
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7. Type B - Reinforcement modules
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Fig. 5. Type B – Reinforcement modules
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8. Type C- Finished planks
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Fig. 6. Type C- Finished planks
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9. ADVANTAGES
Structural
– Less weight
– Increased strength
– No need of beams
– Few columns required
– Larger span
– Design freedom
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10. Construction
– Easy installation of ducts and pipes into slab
– Less work on construction site
– Reduced concrete usage
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Environment
– Less material and energy consumption
– Reducing CO2 emission up to 40Kg/m2
– Components can be replaced
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11. Economy
– Savings in material
– Reduction in transportation cost
– Faster construction time
– Building is more flexible and easy in installation
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12. INSTALLATION
1. Production of plastic spheres
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7(a) 7(b)
Fig. 7(a),(b) Hollow plastic spheres
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13. 2. Production of reinforcement cage
3. Insertion of bubbles in to lattice
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8(a) 8(b)
Fig. 8(a),(b) Insertion of Bubbles into lattice
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14. 4. Preparation of bottom layer of concrete
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Fig. 9. Laying of concrete base
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15. 5. Lowering of bubble lattice in to concrete base
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Fig. 10. (a),(b) Lowering the lattice in to concrete base
10(a) 10(b)
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16. 6. Vibration of the concrete
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Fig. 10. Vibration of concrete
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17. 7. Elements are finished and stocked
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Fig. 11. Bubble deck elements at stock
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18. 8. Transportation of finished bubble deck element
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Fig. 12. Bubble-Deck Elements transportation
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19. 9. Placing of bubble deck elements
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Fig. 13. Bubble-Deck Elements placing
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20. 10. Concreting and finishing the bubble deck slab
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Fig. 14. Concreting Bubble-Deck
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21. STRUCTURAL PROPERTIES
Sound insulation
1db higher noise reduction
Fire resistance
17% to 39% higher thermal resistance
Durability
Shear strength
Vibration
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22. APPLICATIONS
Millennium Tower, Holland
Le Coie, UK
Administrative Center, Brasilia, Brazil
Harvey Mudd College, California, USA
Walterbos Complex Tax Office Towers, Netherland
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24. SCOPE FOR THE FUTURE
• Constructing buildings especially sky scrapers
• Larger span halls like theatres and auditoriums
• Pedestrian bridge deck
• Used in parking areas
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25. CONCLUSIONS
Bubble-Deck Slab perform better than normal
conventional solid slab
Reduction in weight
Technology is environmentally green and sustainable
Reduction in concrete usage
Cost and time saving
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26. REFERENCES
1. Arathi Shetkar & Nagesh Hanche (2015),” An Experimental Study on
Bubble Deck Slab System with Elliptical Balls”, International Journal of
Science and Research, 12(1), 21-27.
2. Bhagyasree G Bhade & Barelikar S M (2016), “ An Experimental Study of
Two Way Bubble Deck slab With Spherical Hollow Balls”, International
Journal of Recent scientific Research, 7(6), 11621-11626
3. Mike Mota (2013), “voided two way flat slabs”, American Society of Civil
Engineers Journal”, 1640-1649
4. Neeraj Tiwari & Sana Zafar (2016), “ Structural Behaviour of Bubble Deck
Slabs and Its Application”, International Journal for Scientific Research and
Development, 6(2), 433-437
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27. 5. PrabhuTeja P, Vijay Kumar P, Anusha S Mounika C H, Purnachandra Saha
(2012), “Structural Behavior of Bubble Deck Slab”, International
Conference on Advance in Research, Science and Management, 383-388
6. Raj R Vakil & Dr. Mangulkar Madhuri Nilesh (2017), “Comparative Study
of Bubble-Deck and Solid Deck Slab”, International Journal of Advance
Research in Science and Engineering, 6(10), 383-392.
7. Shivani Mirajkar & Mitali Balapur (2017), “Study of Bubble- Deck Slab
System”, International Journal of Advance Research in Science and
Engineering, 7, 01-05.
8. Surendar M &Ranjitham M (2016), “ Numerical and Experimental Study on
Bubble Deck Slab”, International Journal of Engineering Science and
Computing, 6(5), 5959-5962
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