Characterizations of Soil Collapsibility: Effect of Salts Dilution

omar H Al Hattamleh, Odeh A. Odeh, Hussein Aldeeky, M. N. Akhtar


Collapsibility of soils is the large change in volume of soil upon saturation or wetting.  This change may or may not be the result of the application of additional load.  Soil at a construction site may not always be suitable for supporting structures such as buildings, bridges, highways, and dams.  For example, if soil is placed in a certain none desire density, a large settlement will occur either due to loading or wetting of soil deposits.  Hence, a collapse will occur which will create a large subsidence or a sinkhole.

In this study, soil samples of CL-ML soil were modified by adding different amounts of brine.  The main goal of which was to examine the effect of brine presence on the collapse potential of the soil.  Soil index properties, compaction characteristics, and a collapse potential were evaluated according to ASTM standards.  The test includes Atterberg's limit, Harvard miniature compaction, and double oedometer tests.

It has been shown that brine additive has pronounced effect on the Atterberg’s limits; it is clearly shown that as the amount of brine increases both liquid limit and plastic limit decrease.  Compaction curve characteristics of soil were altered by the presence of brine, the maximum dry density, obtained using Harvard miniature device, increased as brine percentage increased, however, the optimum moisture content showed substantial decrease with increasing the amount of brine.



Collapsibility, subsidence, compaction effort, oedometer tests

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- G. Mouria, S. Shinodab, V. Golosov, S. Chalov, M. Shiiba, T. Hori, T. Oki, Estimating the collapse of aggregated fine soil structure in a mountainous forested catchment. J. Environ. Manage. 138(1) (2014) 24–31.

- S.S. Shalaby, The Assessment of the Collapse Potential of Fills during Inundation using Plate Load Tests, Life Sci. J. 11(8) 2014 1001-1006.

- J.C.B. Benatti, M.G. Miguel, A proposal of structural models for colluvial and lateritic soil profile from southwestern Brazil on the basis of their collapsible behavior, Eng. Geol. 153 (8) (2013), 1–11.

- Y.M. Abelev, The essentials of designing and building on microporous soils. Stroitel'naya Promyshelmast, 10 (1984)

- P. Pells, A. Robertson, J.E. Jennings, K. Knight, A guide to construction on or with materials exhibiting additional settlement due to “collapse” of grain structure. In: Proceedings of the 6th Regional Conference of Africa on Soil Mechanics and Foundation Engineering, Johannesburg, South Africa, (1975) 99-105.

- I. Noorany, Phase relations in marine soils. J. Geotech. Eng. ASCE. 110 (4) 1984, 539–542.

- K.A. Dadey, T. Janecek, A. Klaus, Dry-Bulk Density: Its Use and Determination. In Proceedings of the Ocean Drilling Program, Scientific Results. 126 (1992) 551–554.

- C.A. Vermeijden, S. Kay, S.S. Goedemoed, Influence of salinity on soil properties. In: Proceedings of the International Symposium on Frontiers in Offshore Geotechnics (IS-FOG 2005), 19-21 Sept 2005, Perth, WA, Australia. Edited by Mark Cassidy and Susan Gourvenec. Taylor & Francis 2005.

- S. Frydman, J. Charrach, I. Goretsky, Geotechnical properties of evaporite soils of the Dead Sea area, Eng. Geol. 101 (2008) 236–244.

- ASTM. Annual Book of ASTM Standards – Section 4: Construction, Volume 04.08 Soil and Rock (1): D420-D5550. American Society for Testing and Materials, USA.

- G. Gouy, Sur la constitution de la charge électrique à la surface d`un électrolyte. J. Phys. Theor. Appl. 9(1) (1910) 457-458.

- J.K. Mitchell, Fundamentals of Soil Behavior, 2nd Edition, John Wiley and Sons, New York, 1993.

- J.K. Mitchell, K. Soga, Fundamentals of soil behavior, 3rd edition. John Wiley and Sons, Inc, New Jersey, 2005.

- W.S. Abdullah, M.S. Al-Zou’bi, K.A. Alshibli, On the Physicochemical Aspects of Compacted Clay Compressibility, Can. Geotech. J. 34 (1997) 551-559.

- W.S. Abdullah, K.A. Alshibli, M.S. Al-Zou’bi, Influence of Pore Water Chemistry on the Swelling Behavior of Compacted Clays, Appl. Clay Sci. 15(1999) 447-462.

- T.W. Lambe, Residual pore pressures in compacted clay. In: Proceeding of the 5th International Conference on Soil Mechanics and Foundation Engineering, Paris, France 1961.


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