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연약지반상에 축조된 저수지 제방의 과잉공극수압 예측

Prediction of Excess Pore Water Pressure of Reservoir Embankment on Soft Ground

  • 민학규 (한국농촌공사) ;
  • 이달원 (충남대학교 농업생명과학대학 지역환경토목)
  • 발행 : 2008.03.31

초록

A theoretical equation was proposed to consider the effect of ponding for the excess pore water pressure in agricultural reservoir on soft clay ground. The value of excess pore water pressure predicted using the proposed equation was compared to those predicted with the Terzaghi's method and the finite difference method(FDM), respectively, for the purpose of verification. The degree of consolidation according to ponding predicted by applying the proposed equation was close to the observed degree of consolidation on the double drainage condition(at DP-3) but it was less than the observed degree of consolidation on the single drainage condition(at DP-5). The equation was very applicable to practice because the analysis result by the equation was close to the observed data.

키워드

참고문헌

  1. 농림부, 2002, 농업생산기반정비사업 계획 설계 기준(필댐편), pp.332-334
  2. 00지구 농촌용수개발사업 연약지반 침하안정관 리 계측보고서, 2002,농업기반공사
  3. Balasubramaniam, A. S., D. T. Bergado, P. Noppadol, P. V. Long and M. Ahamad, 1997, Performance of test embankments with prefabricated vertical drains in soft Bangkok clay, Proc. 14th ICSMFE, ISSMFE, Vol.3 : 1723-1726
  4. Budhu, M., 2000, Soil Mechanics and Foundations, New York, John Wiley and Sons, pp.166-168
  5. Crawford, C. B., R. J. Fannin and C. B. Kern, 1995, Embankment failures at Vernon, Canadian Geotechnical Journal, Vol.32: 271-284 https://doi.org/10.1139/t95-029
  6. Dascal, O. and J. P. Tournier, 1975, Embankments on soft and sensitive clay foundation, Journal of the Geotechnical Engineering Division, ASCE, 101(GT3): 297-314
  7. Duncan, J. M., 1993, Limitations of conventional analysis of consolidation settlement, Journal of Geotechnical Engineering, ASCE, 119 (9):1331-1359 https://doi.org/10.1061/(ASCE)0733-9410(1993)119:9(1331)
  8. Indraratna, B. and A. S. Balasubramaniam, 1992, Performance of test embankment constructed to failure on soft marine clay, Journal of Geotechnical Engineering Division, ASCE, 118(1): 12-33 https://doi.org/10.1061/(ASCE)0733-9410(1992)118:1(12)
  9. Leroueil, S., F Tavenas, B. Trak, P. La Rochelle and M. Roy, 1978a, Construction pore pressures in clay foundations under embankments, Part I : The Saint-Alban test fills, Canadian Geotechnical Journal, 15(1): 54-65 https://doi.org/10.1139/t78-005
  10. Leroueil, S., F Tavenas, C. Mieussens and M. Peignaud, 1978b, Construction pore pressures in clay foundations under embankments, Part II: Generallized behaviour, Canadian Geotechnical Journal, 15(1): 66-82 https://doi.org/10.1139/t78-006
  11. Leroueil, S. and F. Tavenas, 1986, Discussion on effective stress paths and yielding in soft clays below embankments, Canadian Geotechnical Journal, 23(3): 410-413 https://doi.org/10.1139/t86-064
  12. Mesri, G. and Y. K. Choi, 1985, Settlement analysis of embankments on soft clays, Journal of Geotechnical Engineering Division, ASCE, 111(4): 441-464 https://doi.org/10.1061/(ASCE)0733-9410(1985)111:4(441)
  13. Rowe, R. K., C. T. Gnanendran, A. J. Valsangkar and A. O. Landva, 2001, Performance of a test embankment constructed on an organic clayey silt deposit, Canadian Geotechnical Journal, 38(6): 1283-1296 https://doi.org/10.1139/cgj-38-6-1283
  14. Skempton, A. W., 1954, The pore pressure coefficients A and B, Geotechnique, Vol.4: 143-147 https://doi.org/10.1680/geot.1954.4.4.143
  15. Terzaghi, K., 1943, Theoretical Soil Mechanics, John Wiley&Sons, New York
  16. Zhang, L., 1999, Settlement patterns of soft soil foundations under embankments, Canadian Geotechnical Journal, 36(4): 774-781 https://doi.org/10.1139/cgj-36-4-774
  17. Zhu, G., J. H. Yin and J. Graham, 2001, Consolidation modelling of soils under the test embankment at Chek Lap Kok International Airport in Hong Kong using a simplified finite element method, Canadian Geotechnical Journal, 38(2):349-363 https://doi.org/10.1139/cgj-38-2-349

피인용 문헌

  1. Safety evaluation of agricultural reservoir embankment according to backside extension vol.39, pp.1, 2012, https://doi.org/10.7744/cnujas.2012.39.1.097
  2. The safety behavior of agricultural reservoirs due to raising the embankment vol.40, pp.3, 2013, https://doi.org/10.7744/cnujas.2013.40.3.243