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The analysis of consolidation in organic soils

100%

Gabrys K., Szymanski A.

Annals of Warsaw University of Life Sciences - SGGW. Land Reclamation

2010

tom 42

nr 2

This paper is devoted to the specific difficulties connected to construction on problematic soils. Different type of structures like: road embankments, flood control levees, dykes and dams are often located in soft subsoil areas, which consists mainly of peat, calcareous soil with a very high content of calcium carbonate and other high plasticity organic and no organic soils. These soils can be characterized as highly deformable with low initial shear strength and an insufficient bearing capacity. Soft soils show a large deformation, both vertically and horizontally, under load. The settlements often appear very quickly and can also continue for a long time. The consolidation process consists here of two main stages: primary settlement and secondary (and tertiary) settlement (creep). It is essential to have a good quality description of physical and mechanical properties of soil before the calculation and construction stage. For calculations of each stage of settlement the different physical and mechanical parameters of problematic soil are applied. In this paper the analysis of organic soils deformation process is presented. The deformation characteristics were defined on the basis of laboratory tests results. Soil investigations were performed on peat samples taken from test site located in Olsztyn region. Laboratory test of physical properties and consolidation tests in oedometer were carried out. Based on laboratory test results the empirical relationships between stress and deformation as well as stress and time were elaborated in order to describe the primary consolidation in organic soils.

Rational design modeling methods of complex surface workpiece creation

86%

Deineka I., Riabchykov O.

Teka Komisji Motoryzacji i Energetyki Rolnictwa

2013

tom 13

nr 4

Ograniczanie wyników

1 Annals of Warsaw University of Life Sciences - SGGW. Land Reclamation

1 Teka Komisji Motoryzacji i Energetyki Rolnictwa

1 Deineka I.

1 Gabrys K.

1 Riabchykov O.

1 Szymanski A.

1 2013

1 2010

Wyniki wyszukiwania

The analysis of consolidation in organic soils

Rational design modeling methods of complex surface workpiece creation