The present study wants to highlight the influence it has compacting process on the variation of hydrophysical.properties of three types of soil ::: In solving this unfavorable soil phenomenon this paper tries to noting the main effects exerted by the compaction process on the hydrophysical.properties distribution in time and space by applying laboratory methods for determining the physical and hydraulic properties of soils in Breazu and Dancu areas. Principal physical characteristics were determined: soil density, soil bulk density, texture and soil porosity. ::: Hydraulic properties analyzed in order to mark the variation of water regime were: hydraulic conductivity (saturated and unsaturated) and soil suction. All these basic attributes of soil were determined in laboratory methods of applying wish traced internationally.
Two empirical equations are presented for describing relative permeability as a function of capillary pressure. Of the two, Gardner's equation appears to fit the experimental data better and is easier to use because of its simple form. An equation is also presented for representing saturation as a function of capillary pressure. This equation is differentiable. The equations are used to calculate relative permeability and diffusivity as functions of saturation. The main utility of the equations is in the ease of handling input data and programming for numerical solutions, using digital computers. The equations may also prove useful in some theoretical studies where a wide range of possible soils may be described by changing a small number of parameters.
Summary ::: Although depression has been associated to worst bone physical properties in adulthood, this study showed that depressive symptoms were not significantly associated to bone mineral density measured at the forearm during adolescence.