SETTLEMENT OF LOW EMBANKMENTS ON THICK COMPRESSIBLE SOIL
The field and laboratory compression behaviour of a soft estuarine silty clay is examined with reference to conventional one-dimensional consolidation theory. By means of a dimensionless plotting technique secondary consolidation of laboratory samples is shown to produce significant modifications to a theoretical curve. Settlement characteristics of a wide road embankment on a thick deposit of the soil do not duplicate the laboratory characteristics. Field settlements are appreciably underestimated by one dimensional theory. Although excess pore pressures beneath the embankments are large, even after a period of five years, undrained settlements account for only a small proportion of the total. The excess pore pressure distribution may not be used to estimate consolidation times or the degree of consolidation at any point in time. (TRRL)
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Availability:
- Find a library where document is available. Order URL: http://worldcat.org/isbn/0858252082
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Supplemental Notes:
- Papers presented during the Geomechanics-Interaction, Fourth Australia-New Zealand conference on Geomechanics, Perth, Western Australia, 14-18 May 1984, Volumes I and II.
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Corporate Authors:
Institution of Engineers
11 National Circuit
Barton, A.C.T., Australia -
Authors:
- MCDONALD, P
- Cimino, D J
- Publication Date: 1984-3
Media Info
- Features: Figures; References; Tables;
- Pagination: p. 310-315
- Monograph Title: GEOMECHANICS - INTERACTION. FOURTH AUSTRALIA - NEW ZEALAND CONFERENCE ON GEOMECHANICS, PERTH, WESTERN AUSTRALIA, 14-18 MAY 1984. PREPRINTS OF PAPERS. VOLUMES I AND II
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Serial:
- Issue Number: 84/2
Subject/Index Terms
- TRT Terms: Behavior; Clay; Compressibility; Compressible soils; Compression; Conferences; Consolidation; Embankments; Field tests; Freeways; Ground settlement; Laboratories; Pore pressure; Pore water pressures; Saturated soils; Silts; Soil stabilization; Time
- Uncontrolled Terms: Undrained conditions
- Geographic Terms: Australia
- Old TRIS Terms: One dimensional consolidation
- ITRD Terms: 8006: Australia; 9001: Behaviour; 4177: Clay; 5905: Compressibility; 5532: Compression; 8525: Conference; 5791: Consolidation (soil); 2801: Embankment; 6226: In situ; 6237: Laboratory (not an organization); 2752: Motorway; 5762: Pore water pressure; 5792: Settlement; 4149: Silt; 5414: Time
- Subject Areas: Geotechnology; Highways;
Filing Info
- Accession Number: 00392043
- Record Type: Publication
- Source Agency: ARRB
- ISBN: 0-85825-208-2
- Files: ITRD, TRIS, ATRI
- Created Date: Mar 29 1985 12:00AM