This paper presents a certain method to determine the range of variability ( or the set of values) of some functionals defined in the Class (i.e the class of analytic functions in the unit disk
It have been shown in this class that the range of variability of the functional is the closed disk
The estimations of modulus of function and some other estimations related were also obtaind
The research includes an analytical study of long term pumping test with observation
wells to get the optimum determination of the most important hydrogeological parameters
of confined aquifer in Banyas, by pumping from a well with average pumping
rate
10104m3/day for 36 hours and only 5 hours of complete recovery groundwater level. This
test is accompanied by measuring the variations of the groundwater levels in the
monitoring wells.
Analytical methods of steady- unsteady of groundwater flow are used to evaluate the
long term pumping test, and then to determine the optimum evaluation. The Transmissivity
of the confined aquifer is about 5000 m2/day (very high potential), and the storage
coefficient is 1,8.10-4. Then they used to predict the groundwater drawdown during one
day. So, we can get 20000 m3/day from the aquifer and the drawdown not more than 1,75
m as quasi-steady drawdown at distance 500 m from the pumping well.
Therefore in this paper we will present the stability analysis carried out on the
Dwesat dam with vertical core, its high is 33m, the downstream slope of 1V:2.75H and the
upstream slope of 1V:3.0H. Thickness of the vertical core was varied from 1V:
0.25H to
1V:2.0H, and also present the effect of the varied thickness on slope stability for both
upstream and downstream under three design conditions i.e. during and end of
construction, steady state seepage and rapid draw down by General Limit Equilibrium
Method using GeoStudio software.
It was observed from the analysis that by varying the thickness of vertical core of
earth dam, thinner core up to 1V:1.30H gives more stability and further increase in
thickness of core tends to sharp decline in factor of safety for both upstream and
downstream slope under different design conditions.
