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Concrete Foam. Materials Science(MEEN 3344) By Uduzei M. Ovbiagele (Duz). Preparation/Development. Cellular/Lightweight Concrete Base material + foam = Concrete foam Base material; Portland cement which could be improved for strength , quality & environment.

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Concrete foam

Concrete Foam

Materials Science(MEEN 3344)

By

Uduzei M. Ovbiagele (Duz)


Preparation development
Preparation/Development

  • Cellular/Lightweight Concrete

  • Base material + foam = Concrete foam

  • Base material; Portland cement which could be improved for strength , quality & environment.

  • Foam; Foaming generator, foaming agent, water & air

  • Prepared mostly by 2 methods

  • Mixed Foaming

  • Pre-forming

  • Its strength & performance depends on the density, mixing ratios & constituent materials

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Applications
Applications

  • Roofing Insulation

  • Engineering /Floor Fills

  • Road Sub-base

  • Lightweight precast blocks

  • Fire breaks/Sound insulation

  • Tunnel construction /refurbishing

  • Bridge Abutment

  • Soil stabilization/replacement

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Why concrete foam operational cost efficiencies
WHY CONCRETE FOAM(Operational & Cost Efficiencies)

  • Reasonably high strength with accompanying low density and forming rigid well bonded structures.

  • High fluidity and settlement & compaction free construction.

  • Time saving due to rapid installation, applied directly on marginal soil, no waiting for consolidation of top soil.

  • Can be designed for a specific project & budget requirements.

  • Reduced lateral loading which cut cost for earth retaining structures.

  • Durability of the foam & non requirement of sand drain, piling & grade beams reduces maintenance.

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Conclusions
Conclusions

  • Concrete foams are more suitable for certain applications when compared to regular concrete.

  • Its strength and performance depend on it density and constituent materials.

  • When it is being applied to projects which it is suitable for it makes better financial sense than its alternatives.

  • Its suitability for certain projects are tied to its properties such as been lightweight & fluid.

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References
References

  • K. Ramamurthy, E.K. Kunhanandan Nambiar, G. Indu Siva Ranjani.Cement and Concrete Composites, Volume 31, Issue 6, July 2009, Pages 388-396

  • William D. Callister Jr, David G. Rethwisch. Fundamental of Material Science and Engineering: An Intergrated Approach, 3rd Edition 2007.

  • www.provoton.com

  • L.S. Cox. Major road and bridge projects with foam concrete. Proceedings of the International Conference on the Use of Foamed Concrete in Construction, p 105-112, 2005, Use of Foamed Concrete in Construction - Proceedings of the International Conference.

  • A.S. Bagheri, T. Parhizkar, A.M. Raiss Ghasemi. Foam concrete : Properties and application areas.Proceedings, Annual Conference - Canadian Society for Civil Engineering, v 4, p 101-110, 1999, Canadian Society for Civil Engineering - 1999 Annual Conference Proceedings - General Conference - Environmental, Transportation and other Civil Engineering Areas

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