Geotechnical Aspects On Design And
Construction Of Stabilization Ponds
Author(s)
R. Flores Berrones & X. Li
Abstract
A geotechnical methodology is presented in this paper which should be followed
in order to prevent and avoid water leakage, geological faults, slope failures and
uncontrolled settlements in stabilization pond systems. Identification of special
problem soils (expansive, collapsible, dispersive and highly compressible) is also
described, together with some solutions to handle the stabilization or
improvement of such soils. This paper is based on the experience obtained by
analyzing the behavior of several case studies that were carried out for different
soil conditions in Mexico. Several geotechnical recommendations are given for
the design and construction of stabilization ponds. The criteria and
recommendations of this work will become important and practical tools for
designers and constructors to improve the life of this kind of facility.
Keywords: stabilization ponds, geotechnics, problem soils, soil permeability,
wastewater treatment.
1 Introduction
Wastewater treatment in Mexico is quite behind the potable water supply and
sewer systems services given by municipalities and governments. It is estimated
that 170 m3/s of municipal wastewater is generated and according to the last
census (1999), 54% of the existing wastewater treatment facilities are
stabilization ponds systems. The flow to be treated by this system is estimated to
be around 17.5 m3/s.
From the environmental, economical, political and social points of view,
wastewater treatment represents a very important issue in Mexico. Nevertheless,
the efficiency of these plants is not good enough to accomplish the preestablished
goals. Dealing with pond systems, many facilities have several
Keywords
stabilization ponds, geotechnics, problem soils, soil permeability,
wastewater treatment.
Related Book
Other papers in this volume
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