Inflection point method for predicting settlement of PVD improved soft clay under embankments

Geotextiles and Geomembranes

Volumn 25, Issue 6, 2007, Pages 336-345

  Sinha, A K ^a   Havanagi, Vasant G ^a   Mathur, Sudhir ^a  

^a Geotechnical Engineering Division   (India)

Author keywords

Degree of consolidation; Inflection point; Prefabricated vertical band drain (PVD); Settlement; Soft clay; Soil improvement

Indexed keywords

CLAY; CONSOLIDATION; DRAINAGE; EMBANKMENTS; GRAPH THEORY; PREFABRICATED CONSTRUCTION; SAFETY FACTOR;

INFLECTION POINT METHOD; PREFABRICATED VERTICAL DRAINS; SOFT CLAY;

SETTLEMENT OF STRUCTURES;

CONSOLIDATION; EMBANKMENT; SOFT CLAY; SOIL IMPROVEMENT; SUBSOIL;

BUILDING MATERIAL; CLAY LINER; SOIL BURIAL TEST; STRUCTURAL PROPERTY;

EID: 35948932320     PISSN: 02661144     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.geotexmem.2007.04.004     Document Type: Article

References (41)

1. Abuel-Naga H.M., Bergado D.T., and Chaiprakaikeow S. Innovative thermal technique for enhancing the performance of prefabricated vertical drain during the preloading process. Geotextiles and Geomembranes 24 6 (2006) 359-370
2. Arulrajah A., Nikraz H., and Bo M.W. Factors affecting field instrumentation assessment of marine clay treated with prefabricated vertical drains. Geotextiles and Geomembranes 22 5 (2004) 415-437
3. Asaoka A. Observational procedure of settlement prediction. Soils and Foundations 18 4 (1978) 89-101
4. Atkinson M.S., and Eldred P.J.L. Consolidation of soil using vertical drains. Geotechnique 31 1 (1981) 33-43
5. Barron R.A. Consolidation of fine grained soils by drain well. ASCE Transactions 113 2346 (1948) 718-743
6. Bergado D.T., Singh N., Sim S.H., Panichayatum B., Sampaco C.L., and Balasubramaniam A.S. Improvement of soft Bangkok clay using vertical geotextile band drains compared with granular piles. Geotextiles and Geomembranes 9 3 (1990) 203-231
7. Bergado D.T., Asakami H., Alfaro M.C., and Balasubramaniam A.S. Smear effects of vertical drain on soft Bangkok clay. Journal Geotechnical Engineering 117 10 (1991) 1509-1530
8. Bergado D.T., Alfaro M.C., and Balasubramaniam A.S. Improvement of soft Bangkok clay using vertical drains. Geotextiles and Geomembranes 12 7 (1993) 615-663
9. Bergado D.T., Mukherjee K., Alfaro M.C., and Balasubramaniam A.S. Prediction of vertical-band-drain performance by the finite-element method. Geotextiles and Geomembranes 12 6 (1993) 567-586
10. Bergado D.T., Manivannan R., and Balasubramaniam. Proposed criteria for discharge capacity of prefabricated vertical drains. Geotextiles and Geomembranes 14 (1996) 481-505
11. Bergado D.T., Balasubramaniam A.S., Fannin R.J., and Holtz R.D. Prefabricated vertical drains (PVDs) in soft Bangkok clay: a case study of the New Bangkok International Airport project. Canadian Geotechnical Journal 39 (2002) 304-315
12. Bo M.W. Discharge capacity of prefabricated vertical drain and their field measurements. Geotextiles and Geomembranes 22 12 (2004) 37-48
13. Bo, M.W., Chu, J., Low, B.K., Choa, V., 2003. Soil Improvement: Prefabricated Vertical Drain Technique. ISBN 981-243-044-X. Thomson Learning, Singapore.
14. Bo M.W., Choa V., and Wong K.S. Reclamation and soil improvement on ultra-soft soil. Ground Improvement 9 1 (2005) 23-31
15. Carrillo N. Simple two and three dimensional cases in the theory of consolidation of soils. Journal of Mathematics and Physics 21 1 (1942) 1-5
16. Casagrande A., and Fadum R.E. Notes on soil testing for engineering purposes (1940), Publication 268, Graduate school of engineering, Harvard University, Cambridge, MA
17. Chai J.C., Shen S.L., Miura N.S., and Bergado D.T. Simple method of modeling PVD-improved subsoil. Journal of Geotechnical and Geoenvironmental Engineering 127 11 (2001) 965-972
18. Chu J., Bo M.W., Chang M.F., and Choa V. Consolidation and permeability properties of Singapore marine clay. Journal of Geotechnical and Geoenvironmental Engineering 128 9 (2002) 724-732
19. Chu J., Bo M.W., and Choa V. Practical consideration for using vertical drains in soil improvement projects. Geotextiles and Geomembranes 22 (2004) 101-117
20. Chu J., Bo M.W., and Choa V. Improvement of ultra-soft soil using prefabricated vertical drains. Geotextiles and Geomembranes 24 6 (2006) 339-348
21. v. Journal of Soil Mechanics and Foundation Engineering 5 (1971) 827-831
22. Hansbo S. Consolidation of clay by band-shaped prefabricated vertical drains. Ground Engineering 12 5 (1979) 16-25
23. Hansbo, S., 1981. Consolidation of fine grained soils by prefabricated drains. In: Proceedings of the 10th International Conference on Soil Mechanics and Foundation Engineering, vol. 3, Stockholm. pp. 677-682.
24. Hansbo S. Experience of consolidation process from test areas with and without vertical drains. In: Indraratna B., and Chu J. (Eds). Ground Improvement-Case Histories (2005), Elsevier, Amsterdam 3-50
25. Holtz R.D. Preloading with prefabricated vertical strip drains. Geotextiles and Geomembranes 6 1-3 (1987) 109-131
26. Indraratna B., Rujikiatkamjorn C., Balasubramaniam A.S., and Wijeyakulasuriya V. Predictions and observations of soft clay foundations stabilised with geosynthetic drains and vacuum surcharge. In: Indraratna B., and Chu J.. (Eds). Ground Improvement-Case Histories (2005), Elsevier, Amsterdam 199-229
27. IS 15284 (Part 2), 2004. Design and Construction for Ground Improvement-Guidelines Part 2, Pre-consolidation Using Vertical Drains, Published by Bureau of Indian Standard, New Delhi.
28. Ladd C.C. Stability evaluations during staged construction. Journal of Geotechnical and Geoenvironmental Engineering 117 4 (1991) 540-615
29. Ladd C.C., and Foot R. New design procedure for stability of soft clays. Journal of Geotechnical Engineering 100 7 (1974) 763-786
30. Leo, C.J., 2004. Equal consolidation by vertical drains. Journal of Geotechnical and Geoenvironmental Engineering 130 (3) 316-326.
31. Li A.L., and Rowe R.K. Combined effects of reinforcement and prefabricated vertical drains on embankment performance. Canadian Geotechnical Journal 38 6 (2001) 1266-1282
32. Mesri G., Feng T.W., and Shahien M. Coefficient of consolidation by inflection point method. Journal of Geotechnical and Geoenvironmental Engineering 125 8 (1999) 716-718
33. Nicholson D.P., and Jardine R.J. Performance of vertical drains at Queenborough bypass-Vertical Drains (1981), Geotechnique Thomas Telford Ltd, London 91-160
34. Pandian N.S., Sridharan A., and Kumar K.S. A new method for the determination of coefficient of consolidation. Journal of Geotechnical Testing 15 1 (1992) 74-79
35. Robinson R.G. Consolidation analysis by an inflection point method. Geotechnique 47 1 (1997) 199-200
36. Shen S.-L., Chai J.-C., Hong Z.-S., and Cai F.-X. Analysis of field performance of embankments on soft clay deposit with and without PVD-improvement. Geotextiles and Geomembranes 23 6 (2005) 463-485
37. Shibata, T., Sekiguchi, H., 1981. Prediction of embankment failure on soft ground. In: Proceedings of the 10th International Conference on Soil Mechanics and Foundation Engineering, Stockholm, vol. 1, pp. 247-250.
38. Sridharan A., and Rao A.S. Rectangular hyperbola fitting method for one dimensional consolidation. Journal of Geotechnical Testing 4 4 (1981) 161-168
39. Tan S.-A. Hyperbolic method for settlements in clays with vertical drains. Canadian Geotechnical Journal 31 1 (1994) 125-131
40. Taylor D.W. Fundamental of Soil Mechanics (1948), Wiley, New York
41. Walker R., and Indaratana B. Vertical drain consolidation with parabolic distribution of permeability in smear zone. Journal of Geotechnical and Geoenvironmental Engineering 132 7 (2006) 937-941