31.36% of the concreting for the spillway and the stilling basin
is completed, accounting for 5.14 lakh cubic metres out of 16.39 lakh cubic metres.
varying the cutoff depth, length of blanket and thickness of stilling basin
. These models were analyzed for their effectiveness against different seepage reduction measures for selected case studies.
The main spillway of dam consists of two- stage stilling basin
and sloping side walls.
Silt slurry containing fine rock and sediment is transferred via pipeline and slurry channel to a 6km[sup.2] stilling basin
which has an overall capacity of 39-million cubic metres.
The most important advanteges of stepped spillway includes: a) easy of build and economical, b)risk of cavitation on steps decreases because of entering air into flow, c)dimensions of stilling basin
in toe of dam decrease because of increase in flow energy loss by steps of spillway [2, 3].
Together with what we already have against tide flood, the DPWH should proceed to build the shelved floodgates (FG-o at Vitas and FG-3 at Bangkulasi) to turn the 43.75-hectare (water surface area) Tonsuya-Tinejeros-Tulyahan (TTT) rivers (a 100-percent direct flow collector) into the Malabon stilling basin
, which should be complemented with three big pumps for FG-o and FG-3.
The press release added that the construction of the irrigation channel was completed by drilling a tube well, constructing a 2500-meter long irrigation channel, providing a water pump and constructing a stilling basin
. The improvement of livelihood activities was identified as one of the growing needs of the communities in Asho Khel.
Therefore, draft tube, tailrace and stilling basin
design need to be integrated in revitalization process.
Today's picture shows work being carried out on the overflow channels and stilling basin
at Kielder Water reservoir ...
Bevill, Oklahoma State University, for "Stilling Basin
and Riprap Stability Design for RCC Stepped Spillways."
The energy dissipater may be a straight apron or some type of stilling basin