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Zhenping County Study on River Bend Regulation and Its Design Method

Author: ShaoQiLong
Tutor: ShenBo
School: Chang'an University
Course: Traffic and Transportation Engineering
Keywords: river regulation river model experiment river width Scour depth
CLC: TV85
Type: Master's thesis
Year: 2013
Downloads: 3
Quote: 0
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Abstract


At present, bend remediation research is important topics, the subject of change the riverflood control project through of the Nanjiang River the entity physical model tests and testdata analysis of Zhenping Town of Ankang, compared to various modifications, draw someconclusions, in order to later such conditions under the river training provide someexperience.The Nanjiang River natural bend of the river segment length of560m, the average widthof the river about110m, a curve vertex channel width of approximately250m. South rivers inthis river turning angle close to150°.The bend of the river riverside outlines are used torender like the stomach. In a small flood, the inlet and outlet flow rate of the river bend,imported because of the flood embankment erosion of the base angle of the river bankcollapse landslide occurs; Larger floods, the river bend in the river is caused by Harmony ofwater, a serious threat to the Zhenping county flood safety; Flood sharp turn at the same timepoint, the impact on the bank, resulting in the city roads damaged; Spread rapidly through thecorners, The fast-flowing, and the curve downstream embankment toe suffered large-scaleerosion. To eliminate the Zhenping town flood threat, the bend of the river segmenttransformation of flood control.Select a Bend in the River remediation programs, from the bend of the river flow, erosionand river bend in the river before and after impact start. Remediation plan was finalized, andthen through the river model test each program scheme comparison to determine therecommended program, and finally through regulation effect of the movable bed testprediction recommended the implementation of the program in order to provide guidance forthe bend of the river remediation next renovation project basis.In contrast programs, compared to the experimental results of the programs in the bendof the river at different modifications of river width, draw the width of a river bend in the river.Through data analysis, the relationship between single-wide flow and depth of scour.Forcertain experience after the bend remediation.

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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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