Abstract
The preparation and compilation of a 1:10,000 scale engineering geological map of the wider Thessaloniki area is discussed. This map includes the range of values of the geomechanical characteristics of the 13 engineering geological units distinguished. Greater detail was available in the inhabited and industrial areas where many of the 1,300 boreholes studied had been drilled. Particular emphasis was given to the earth fill unit, which in places is up to 20 m thick. Some of the underlying Quaternary units are aquifers and severe pumping has resulted in both a lowering of the groundwater level and surface subsidence. The subsidence was most prominent in the Sindos–Kalohori–Axios River zone and required the construction of an embankment along the coast.
Resumé
On présente la préparation et l’élaboration d’une carte géotechnique à l’échelle du 1/10 000 de la région de Salonique. Cette carte rend compte des gammes de variation des caractéristiques géomécaniques des treize unités géotechniques qui ont été distinguées. Elle est très détaillée dans les zones d’habitation et industrielles, dans lesquelles sont implantés un grand nombre des 1.300 sondages étudiés. Une attention particulière a été accordée à l’unité des remblais dont l’épaisseur dépasse 20 m par endroit. Quelques-unes des unités de dépôts quaternaires sous-jacentes sont aquifères et les pompages intensifs ont provoqué à la fois un abaissement de la surface piézométrique et des phénomènes de subsidence. Ceux-ci ont surtout affecté la zone Sindos-Kalohori-rivière Axos, où une digue a dû être construite le long de la côte.
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Rozos, D., Apostolidis, E. & Xatzinakos †, I. Engineering-geological map of the wider Thessaloniki area, Greece. Bull Eng Geol Environ 63, 103–108 (2004). https://doi.org/10.1007/s10064-004-0237-6
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DOI: https://doi.org/10.1007/s10064-004-0237-6