13kuik s3

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13kuik s3

  1. 1. BIOMASS AGGREGATE CONCRETE FOR SOFT SOIL SUBBASE (S3) SYSTEM YL Lee, PhD, MCSM ashmann@gmail.comFaculty of Civil and Environmental Engineering, UTHM, 86400 Parit Raja, Batu Pahat, Johor Darul Takzim, Malaysia. 30 January 2013
  2. 2. Objectives:• To inspire innovation• To explore opportunities inresearch & postgraduate studies
  3. 3. Outline• Biomass aggregate concrete• Foundation on soft soil• Opportunities• Challenges
  4. 4. Rice husk ash (biomass aggregate)
  5. 5. Milestone achievement for the exploitation of solid wastes in construction
  6. 6. • Fact Sheet• Name of Rice Miller - Lok Eak Khim Rice Mill, Skun, Kampong Cham, Kingdom of Cambodia• Date of Installation – November 2007• Capacity of Gasifier – 250kW• Type of Gasifier – Downdraft type• Saving of Diesel to existing Diesel Engine – 85%• Carbon credit – not pursued• Addition of Gas Engine 250kW, installed in May 2008.
  7. 7. Biomass Silica Project in Cambodia
  8. 8. Bulk handling of biomass silica
  9. 9. Bulk handling of biomass silica
  10. 10. Prepacked biomass silica
  11. 11. Emerging Technology A method of using air bubbles and catalyst in cement mortar Reduce density Enhance durability performance On-site production of KUIKcrete
  12. 12. Research opportunities KUIK Block for soft soil subbase (S3) system
  13. 13. Test site at RECESS, UTHM
  14. 14. Soft soil subbase (S3) system
  15. 15. Soft soil subbase (S3) system
  16. 16. Novel combination of foamed aggregate and scrap tyres
  17. 17. S3 experimentation
  18. 18. S3 subgrade ready for pervious concrete pavement
  19. 19. KUiK block for pervious pavement
  20. 20. Biomass aggregate for plantation road
  21. 21. Technology Showcase Within 3 days, 1800m3 of foamed concrete (6m high) was cast. The total volume was about 180 units of low cost houses.
  22. 22. Density monitoring of foamed concrete
  23. 23. Stress Distribution due to Lifting
  24. 24. KUiK wall at UTHM
  25. 25. KUiK Cabin for construction research
  26. 26. KUiK Drain experimentation
  27. 27. The soft soil sample
  28. 28. PROPERTIES OF ORIGINAL SOIL Properties Values Liquid limit, LL (%) 67.47 Plastic limit, PL (%) 30.16 Plasticity index, PI (%) 37.31 Moisture Content (%) 84.19 pH Soil 3.32 pH Water 3.82 Color Light gray Specific gravity, Gs 2.62 Grain size distribution Silt (%) 79.5 Clay (%) 10.7 Fines (%) 10.8 Soil Type MH (organic silty clay with high plasticity)
  29. 29. STRENGTH DEVELOPMENT OF SOILCRETE
  30. 30. Unconfined compressive strength of TIA treated soil under humid curingCuring 7 Days 14 Days 28 DaysPeriodAdditiveContent0% TIA + 100% cement 85.010 kPa 205.621 kPa 304.202 kPa(Specimen Cement)8% TIA + 92% cement 53.066 kPa 97.046 kPa 98.988 kPa(Specimen A)10% TIA + 90% cement 79.787 kPa 154.178kPa 158.562kPa(Specimen B)13% TIA + 87% cement 121.309 kPa 134.611 kPa 160.264kPa(Specimen C)
  31. 31. Unconfined compressive strength of TIA treated soil under wet curingCuring 7 Days 14 Days 28 DaysPeriodAdditiveContent0% TIA + 100% cement 79.507 kPa 72.441 kPa 78.733 kPa(Specimen Cement)8% TIA + 92% cement 41.156 kPa 123.303 kPa 41.686 kPa(Specimen A)10% TIA + 90% cement 63.850 kPa 109.568 kPa 155.823 kPa(Specimen B)13% TIA + 87% cement 49.233 kPa 83.381 kPa 93.951 kPa(Specimen C)
  32. 32. Compressive strength development of TIA soilcrete (Humid Condition) 7 Days Curing 400 14 Days Curing 28 Days Curing 300 Strength, qu (kPa) 200 100 0 0 2 4 6 8 10 12 14 TIA % CONTENT IN 10% CEMENT (%)
  33. 33. Compressive strength development of TIA soilcrete (Wet Condition) 7 Days Curing 200 14 Days Curing 28 Days Curing Strength, qu (kPa) 100 0 0 2 4 6 8 10 12 14 TIA % CONTENT IN 10% CEMENT (%)
  34. 34. Tan Sri Soon Siew Hoong and Azra’i Shu’ib @ SMIDEX2008 KLCC
  35. 35. Challenges
  36. 36. Discussion with Sheikh Farhad Nur of the ILA Group
  37. 37. Opposed Jet Mill micronising chamber
  38. 38. Water treatment for industrial applications
  39. 39. Industrial RO water
  40. 40. ACKOWLEDGEMENTWe wish to acknowledge Cradle Fund for supporting (www.1.com.my) and www.1.net.my leading to the Kumomo TreeCharity Project for humanity.
  41. 41. Referenceswww.1.net.mywww.ashmann.comwww.biomass.org.my
  42. 42. ContactLee Yee Loonashmann@gmail.com0127533135

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