Abstract
In paper, researches of riverbed and hydraulic processes at the water intake from mountain rivers are observed. Classification of designs of the mountain water intake structures, based on continuity signs is offered. Perfecting of base designs of water intake structures of a mountain-foothill zone and means of their hydraulic automation is carried out. The technological, theoretical and experimental substantiation of parameters of basic elements of these designs with a glance of hydromorphometric characteristics of the mountain rivers is given. Complex hydraulic researches of kinematic characteristics and carrying ability of a two-phase stream on water intake structures are executed. Bases of a technique of engineering calculation of the offered designs of water intake structures and the recommendation of their designing and maintenance in various hydrological regimes are developed.
Highlights
Designing and maintenance of water intake structures on the mountain rivers is spent without the sufficient account of demands of creation of necessary riverbed and hydraulic processes on water intake sections that is one of the principal causes of idle times, damage and crashes of constructions
There is a necessity of an estimation of rationality of existing lay-out drawings of water intake and regulation structures with definition of their deficiencies
It demands conducting theoretical and experimental researches to raise of characteristics of process of the water intake, by the management of two-phase streams and regimes of formation of bed landforms
Summary
Designing and maintenance of water intake structures on the mountain rivers is spent without the sufficient account of demands of creation of necessary riverbed and hydraulic processes on water intake sections that is one of the principal causes of idle times, damage and crashes of constructions. There is a necessity of an estimation of rationality of existing lay-out drawings of water intake and regulation structures with definition of their deficiencies. It demands conducting theoretical and experimental researches to raise of characteristics of process of the water intake, by the management of two-phase streams and regimes of formation of bed landforms. The urgency of the given work, devoted to studying and working out of possibilities of use of energy of water streams on sections of regulated riverbeds and in pools of low-head dam water intake structures, consists
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