Laloui, Lyesse (editor), Lyesse's Bio- and Chemo-Mechanical Processes in Geotechnical PDF

By Laloui, Lyesse (editor), Lyesse

ISBN-10: 072776053X

ISBN-13: 9780727760531

Lately, enormous advances were made in knowing the coupling among chemical and organic tactics and mechanical and hydraulic behaviours in soils and rocks. whilst, experimentation and modelling features have stepped forward considerably, permitting powerful layout of geotechnical functions. the necessity for such analyses arises, for instance, in chemical and organic soil development; nuclear, detrimental and municipal waste containment; petroleum and usual fuel extraction; methane hydrate exploitation; CO2 sequestration; and evaluation of pavement durability.

The 17th Géotechnique Symposium in Print came about on the establishment of Civil Engineers on three June 2013 and sought to handle the hot demanding situations which are rising from the interactions among multi-physical phenomena. those complaints compile the overseas learn awarded on the symposium and released throughout problems with Géotechnique in addition to extra next learn released within the journal.

The papers chosen for the symposium hide a variety of geotechnical strategies, including:

- Experimental research and constitutive modelling of the bio- and chemo-mechanical behaviour of geomaterials.
- results of alterations within the pore water chemistry on soil and rock behaviour.
- Interactions among geometrical scales of numerous organic, chemical, actual and mechanical processes.
- Case experiences of chemical and organic soil modifications.
- functions of bio- and chemo-mechanical types in rising technologies.

Bio- and Chemo- Mechanical methods in Geotechnical Engineering offers researchers and practitioners with a complete creation to the hot advances within the quarter and necessary perception into the advancements inside of this rising box.

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Additional info for Bio- and Chemo-Mechanical Processes in Geotechnical Engineering: Géotechnique Symposium in Print 2013

Sample text

Therefore the influence of the water content in this range can be neglected. The test results show that the osmotic suction measured Total suction, ψ: MPa Fig. 3. 0 M sodium chloride (NaCl) solution 10 1 NaCl solutions (psychrometer) Clay–NaCl solution mixtures (psychrometer) Clay–NaCl solution mixtures (filter paper) 0·1 0 1·0 2·0 3·0 4·0 5·0 Sodium chloride concentration, c: M 6·0 Fig. 4. Empirical relationship between osmotic suction of clay samples and sodium chloride (NaCl) concentration of pore water WITTEVEEN, FERRARI AND LALOUI 10·0 concentration of that solution for the applied range of ion concentrations.

The sample height was monitored until swelling ceased, at which point the final void ratio was calculated. Fig. 1 and 1 mol/l under different stress levels. The specimens were initially unsaturated, with an estimated matric suction (from water content) of 1 MPa. In Fig. 15(a) it can be seen that the swelling with distilled water becomes larger as the applied stress is reduced; in fact, above a confining stress of 200 kPa the specimens exhibit practically no expansion when placed in contact with the water.

J. Engng Sci. 20, No. 9, 1009–1035. Witteveen, P. et al. (2013). Ge´otechnique 63, No. 027] An experimental and constitutive investigation on the chemo-mechanical behaviour of a clay P. W I T T E V E E N Ã , A . F E R R A R I Ã a n d L . L A L O U I Ã Engineering issues for which the understanding of the chemo-mechanical behaviour of soils is relevant include wellbore stability problems, the salinification of groundwater, and nuclear waste storage. However, despite the vast number of situations in which couplings between chemistry and mechanics occur, the available constitutive models rely on limited experimental evidence.

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Bio- and Chemo-Mechanical Processes in Geotechnical Engineering: Géotechnique Symposium in Print 2013 by Laloui, Lyesse (editor), Lyesse

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