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- aggregation classification "C1".
- aggregation creator person.
- aggregation creator person.
- aggregation creator person.
- aggregation date "2015".
- aggregation format "application/pdf".
- aggregation hasFormat 5718562.bibtex.
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- aggregation isPartOf urn:isbn:9781138027077.
- aggregation language "eng".
- aggregation publisher "Taylor and Francis Group - London".
- aggregation rights "I have transferred the copyright for this publication to the publisher".
- aggregation subject "Technology and Engineering".
- aggregation title "One-dimensional compression of a crushable sand in dry and wet conditions".
- aggregation abstract "This paper presents the results of a series of dry and wet one-dimenional compression tests on a calcareous sand from the Persian Gulf. Calcareous grains crush more easily compared to silica grains, a fact that is mainly attributed to their angular shape and weaker mineralogical and complicates their geotechnical behaviour. With regard to the use of crushable sands in construction projects, the question arises whether the presence of water further influences their crushability, and thus performance. The oedometer tests discussed in this paper, are part of a larger study on the influence of water on the stress-strain behaviour of calcareous sands. Dry samples are prepared in oedometers at a relevant density and either kept dry or flushed with water. Loading occurs in ten increments up until a vertical stress of 8.6 MPa and afterwards the sand is sieved to evaluate crushing. The behaviour of the crushable sand is shown to be significantly affected by the water as soon as crushing is initiated. The total settlements and the crushability are higher for the wet sand. When a distinction is made between primary and secondary compression, it is found that wet sand compresses more than dry sand during consolidation phase, but less during secondary compression phase. As a result, the observed net differences decrease with longer loading time whereas a higher rate of loading furthers the increased compression of wet calcareous sand. The tests are repeated on Molsand, a non-crushable silica sand. For this sand, within the stress range tested, the net deformation is identical for wet and dry conditions. The elevated stresses were not high enough to crush the grains and yield the material. The water dependency of crushable sands already exists at moderate stress levels, so it is of great importance to incorporate the accelerated crushing of wet particles in the geotechnical engineering practice.".
- aggregation authorList BK320644.
- aggregation endPage "1408".
- aggregation startPage "1403".
- aggregation volume "2".
- aggregation aggregates 5718619.
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