TEMPERATURE EFFECTS ON ENGINEERING PROPERTIES OF LOESS: APPLICATION TO A LOESS OF THE PARISIAN BASIN FROM 5 DEG C TO 80 DEG C

Experimental work is detailed on the engineering behaviour of a calcareous loess from the parisian basin, the rungis loess, in a temperature range of 5-80 deg c. Mechanical testings on a collapsed and remolded material were realized with a specific apparatus to give a stress and temperature history to the material while the process remains simple. The temperature speeds up primary consolidation which is attained five times quicker at 80 deg c than at 20 deg C. The viscous flow of the skeleton and the compressibility are also increased in the same range. The consolidation phenomenon is theoretically analysed using both the classical terzaghi approach and a rate process theory. The volume variations induced by a modification of the sample temperature is analysed and each phenomenon (thermic dilation, double layer modification, granular rearrangement) is emphasized. Specific characteristics are evaluated of the loess: granularity, geochemistry, physico-chemical forces and structure, including the study of the micro-structure of the material using pore size distribution measures by mercury intrusion and scanning electron microscopy so that the mechanical behaviour of the material can be related to its micro-structure and to the physico-chemical properties of the particles.

• Availability:
  • Find a library where document is available. Order URL: http://worldcat.org/issn/00137952
• Corporate Authors:

  Elsevier

  Radarweg 29
  Amsterdam,   Netherlands  1043 NX
• Authors:
  • Huret, C
  • Cojean, R
  • Deveughele, M
• Publication Date: 1988-6

Language

• English

Media Info

• Pagination: p. 209-28
• Serial:
  • ENGINEERING GEOLOGY
  • Volume: 25
  • Issue Number: 2/4
  • Publisher: Elsevier
  • ISSN: 0013-7952

Subject/Index Terms

• TRT Terms: Compression; Evaluation and assessment; General surface features of the earth; Geology; Geomorphology; Ground settlement; Loess; Permeability; Properties of materials; Temperature; Tests
• Geographic Terms: France
• Subject Areas: Geotechnology; Materials; Planning and Forecasting;

Filing Info

• Accession Number: 00483145
• Record Type: Publication
• Source Agency: Transport and Road Research Laboratory (TRRL)
• Files: ITRD, TRIS
• Created Date: May 31 1989 12:00AM