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A launching apron is to be designed at downstream of a weir for discharge intensity of 6.5 m³/s/ For the design of launching aprons the scour depth is taken two times of Lacey scour depth. The factor of the bed material is unity. If the tail water depth is 4.4m, the length of launching apron in aunched position is_ m.

A launching apron is to be designed at downstream of a weir for discharge intensity of 6.5 m³/s/ For the design of launching aprons the scour depth is taken two times of Lacey scour depth. The factor of the bed material is unity. If the tail water depth is 4.4m, the length of launching apron in aunched position is_ m.

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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A launching apron is to be designed at downstream of a weir for discharge intensity of 6.5 m³/s/m. For the design of launching aprons the scour depth is taken two times of Lacey scour depth. The silt factor of the bed material is unity. If the tail water depth is 4.4m, the length of launching apron in the launched position is m.
Transcribed Image Text:A launching apron is to be designed at downstream of a weir for discharge intensity of 6.5 m³/s/m. For the design of launching aprons the scour depth is taken two times of Lacey scour depth. The silt factor of the bed material is unity. If the tail water depth is 4.4m, the length of launching apron in the launched position is m.
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