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GYPSUM HAZARDS AND IMPORTANCE OF SUSCEPTIBILITY MAPPING: AN EXAMPLE FROM SIVAS BASIN (TURKEY)

AUTHOR/S: I. YILMAZ
Sunday 1 August 2010 by Libadmin2009

9th International Multidisciplinary Scientific GeoConference - SGEM2009, www.sgem.org, SGEM2009 Conference Proceedings/ ISBN 10: 954-91818-1-2, June 14-19, 2009, Vol. 2, 33-34 pp

ABSTRACT

As a foundation material, gypsum differs from other rocks in that voids may be found at
almost any depth within the rock mass. Collapse structures in gypsum terrains are the
most serious geological hazards because they can damage engineering structures,
settlement areas, natural lakes, and allow infiltration of contaminant into the
groundwater. Collapse and subsidence may occur in the course of time or suddenly and
catastrophically. Presentation of engineering geological data in the form of a hazard
map is a useful tool in urban planning. In order to avoid the problems related to the
subsurface and thus save property and money, detailed geoscientific data should be
collected and used in urban development plans.

Keywords: Expansive clay; bentonite; gypsum; stabilization; swell;
strength.

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