• Horizontal Drains
• Capillary Barrier System
• Vegetative Cover

Capillary barrier system for minimizing rainwater infiltration into the slope, Rahardjo et al 2013

Capillary barrier system using unsaturated soil mechanics principles, Rahardjo et al 2013

Capillary Barrier Systems

Historical Development of Capillary Barrier System (CBS), Rahardjo 2015

Experimental set-up of 1-D capillary barrier model in laboratory, Yang et al 2004

Laboratory model of 2-D capillary barrier system, Tami et al 2004

Experimental set-up of 2-D capillary barrier model in laboratory, Tami et al 2004

Capillary barrier system at residual soil slope from Old Alluvium at Bedok, Rahardjo et al 2012

Capillary barrier system at residual soil slope from Bukit Timah Granite at Ang Mo Kio, Rahardjo et al 2012

Capillary barrier system at residual soil slope from Old Alluvium at Tampines, Rahardjo et al 2013

Pore-water pressure variations from original slope and slope with CBS, Rahardjo et al 2012

Factor of Safety for Slope with and without CBS during dry and rainy period, Rahardjo et al 2013

References

1. Rahardjo, H. (2015). “Capillary barrier as a slope protection.” FIRST DISTINGUISHED LECTURE of AP-UNSAT2015 Conference, 23-26 Oct 2015, Guilin, China, 23-36. doi
2. Harnas, F., Rahardjo, H., Leong, E. C. and Wang, J. Y. (2014). “An experimental study on dual capillary barrier using recycled asphalt pavement materials.” Canadian Geotechnical Journal, May, 51(10), 1165-1177. doi
3. Rahardjo, H., Santoso, V. A., Leong, E. C., Ng, Y. S., Tam, C. P. H. and Satyanaga, A. (2013). “Use of recycled crushed concrete and secudrain in capillary barrier for slope stabilization.” Canadian Geotechnical Journal, June, 50, 1-12. doi | handle
4. Rahardjo, H., Santoso, V. A., Leong, E. C., Ng, Y. S. and Hua, C. J. (2012). “Performance of an instrumented slope covered by a capillary barrier system.” ASCE Journal of Geotechnical and Geoenvironmental Engineering, April, 138(4), 481–490. doi | handle
5. Krisdani, H., Rahardjo, H. and Leong, E. C. (2010). “Application of geosynthetic material as a coarse-grained layer in capillary barriers.” Special Issue on Unsaturated Geosynthetics. Geosynthetics International Journal, 17(5), 323–331.
6. Indrawan, I. G. B., Rahardjo, H. and Leong, E. C. (2006). “Effects of coarse-grained materials on properties of residuals soil.” Engineering Geology, January, 82(3), 154 – 164. doi | handle
7. Krisdani, H., Rahardjo, H., Leong, E. C. (2006). “Experimental study of 1-d capillary barrier model using geosynthetic material as the coarse-grained layer.”Proceedings of 4th International Conference on Unsaturated Soils, Geo Institute, Phoenix, Arizona, U.S.A., 2-5 April, 1683–1694. doi
8. Yang, H., Rahardjo, H. and Leong, E. C. (2006). “Behaviour of unsaturated layered soil columns during infiltration.” Journal of Hydrologic Engineering, July, 11(4), 329-337. doi | handle
9. Tami, D., Rahardjo, H., Leong, E. C. and Fredlund, D. G. (2004). “Design and laboratory verification of a physical model of sloping capillary barrier.” Canadian Geotechnical Journal, September, 41(5), 814–830. doi | handle
10. Yang, H., Rahardjo, H., Wibawa, B., Leong, E. C., (2004). “A soil column apparatus for laboratory infiltration study.” Geotechnical Testing Journal, July, 27(4), 347–355. doi | handle
11. Leong, E. C. and Rahardjo, H. (1997).  Discussion on the paper entitled:  “Unsaturated hydraulic conductivity of two compacted barrier soils.” by Meerdink et al.(1996). ASCE Journal of Geotechnical Engineering, 1227, 565-575.  Published in ASCE Journal of Geotechnical Engineering, 123(12), December, 1186-1188.