28. Embankment dam behaviour: the contribution of geo-chemistry
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Published:1991
A. MacDonald, J. M. Reid, 1991. "28. Embankment dam behaviour: the contribution of geo-chemistry", The embankment dam: Proceedings of the sixth conference of the British Dam Society held in Nottingham on 12–15 September 1990, The British Dam Society
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Geochemical degradation can have a significant effect on the geotechnical properties of embankment fill materials and on the quality of drainage waters. The most susceptible materials include mudstones, weathered igneous and metamorphic rocks, and rock with a high proportion of secondary minerals. Geochemical information should be collected at the site investigation stage, including from trial embankments. The design should allow for any geochemical degradation likely to occur and contractors should be made aware of the problems. Chemical monitoring should be carried out during and after construction to check the design assumptions.
INTRODUCTION
DESK STUDY
SITE INVESTIGATION
DESIGN
CONSTRUCTION
IN-SERVICE CONDITION
CONCLUSIONS
REFERENCES
