Channels and Channel Control Structures: Proceedings of the by G. C. Christodoulou, G. C. Noutsopoulos, S. A. Andreou

By G. C. Christodoulou, G. C. Noutsopoulos, S. A. Andreou (auth.), K. V. H. Smith (eds.)

The improvement of water assets has proceeded at an awesome velocity worldwide within the previous couple of many years. The hydraulic engineer has performed his half: in developing a lot higher man made channels than ever sooner than, better and extra subtle keep an eye on constructions, and platforms of irrigation, drainage and water offer channels within which the circulate via its nature is advanced and unsteady requiring computer-based ideas at either the layout and operation degree. It appeared acceptable to appear in short at a few of the advancements in hydraulic layout as a result of this example. consequently the belief of the convention used to be shaped. The lawsuits of the convention exhibit that hydraulic engineers were capable of collect a truly giant base of layout potential from the event of the interval mentioned. the main impressive improvement to have happened is within the mix of actual and mathematical modelling, which in hydraulic engineering has a parallel route to that during different branches of engineering technology. The complaints of this convention will provide to the reader an knowledge of the present kingdom of hydraulic layout in open channel stream and open channel regulate constructions. K.V.H. Smith Editor 1. keep watch over AND DIVERSION constructions 1-3 components AFFECTING verge of collapse intensity IN oblong OVERFALLS G.C. Christodoulou, G.C. Noutsopoulos and S.A. Andreou Dept. of Civil Engineering, nationwide Technical Univ. of Athens, Greece.

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Extra resources for Channels and Channel Control Structures: Proceedings of the 1st International Conference on Hydraulic Design in Water Resources Engineering: Channels and Channel Control Structures, University of Southampton, April 1984

Sample text

For wide and shallow rivers, as is generally the condition in alluvial reaches, Lacey wetted perimeter formula based on total discharge is not strictI y applicable at the barrage site due to disturbed regime conditions and therefore it cannot serve as a good criterion for waterway fixation. Discharge intensity affects the design of all the components of the barrage and therefore can serve as a better tool for waterway fixation in such cases. 1-28 Subject to constraints of afflux, scour and hydraulic efficiency the optimal average discharge intensity giving the minimum overall cost of the barrage can be found out and used as guideline for waterway fixation in future barrages.

3. PROCEEDURE The Froude number of the approach flow is computed from the given prototype data. This Froude number is then matched with the laboratory data. The laboratory data used in this study is that of central Water & power Research Station, poona, India. A portion of the data as renorted by chitale(1960) is repraduced in Table 1. Corresponding to the same Froude number, the value of scour depth in the model is obtained from Table 1. The value of prototype scour depth, to be peridicted, is then obtained using Equation 6.

This necessitated the replacement of the old structure with a modern one. The new barrage was constructed in the year 1968 at Indrapuri approximately 5 km upstream of the site of the old anicut at Dehri-on-Sone. The higher location of the barrage has brought bigger command under control. 35 m only as there are clay seams nearly 10 m below the bed in part of the river bed. The Kosi, previously known as the 'Sorrow of Bihar', is notorious for its vagaries. The river emerges into alluvial plain from the gorge at Chatra.

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