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Impact of urban river water retaining structures Study

Author: DongYanChao
Tutor: YangJiWei
School: Hebei University of Engineering
Course: Hydraulics and River Dynamics
Keywords: River training Water retaining structures Flow characteristics
CLC: TV85
Type: Master's thesis
Year: 2011
Downloads: 33
Quote: 0
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Abstract


Formation and development of the river is the city of the most critical resources and carrier relationships to urban survival , which restricts the development of the city is the impact on urban style and beautify the urban environment an important factor. China's current status of governance in urban rivers insufficiency of man to do with social progress , technological development , China's rapid urbanization and the arrival of the reality of the human hierarchy of needs change , the function of modern urban rivers have greatly enrich and expand . Since the late 1990s, in the city of river regulation despite growing concern in the construction of water environment and conducted a preliminary practice, but the comprehensive management of urban rivers and ecological construction of the theoretical basis, principles, methods and content of the comprehensive analysis of study unpaired system . After the construction of the dam the river to meet the power generation, irrigation , flood control and drainage requirements and so changed the original river flow characteristics . Flume experiments in multiple groups , based on the main work of this paper are: 1, on the whole no dam and dam under different slopes at different flow cross-section along the water depth, flow cross-section along the dam before and after the section of the transverse velocity were compared. The whole length of the dam when the dam backwater obstruct water were calculated. 2, with the opening without dam dam under different slopes at different flow cross-section along the water depth, flow velocity along the cross-section , cross-section transverse velocity before and after the dam were compared . When opening the dam on the dam backwater length obstruct water were calculated. 3 , with the opening of the whole dam dam under different slopes at different flow cross-section along the water depth, flow cross-section along the dam before and after the section of the transverse velocity were compared. And the opening of the whole dam dam dam backwater length obstruct water were compared.

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CLC: > Industrial Technology > Hydraulic Engineering > River training works and flood control projects > River training methods ( river regulation )
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