For the maximum water height at full supply level, calculate the complete vectorof the resultant force on the central section of the dam wall per metre length,as it would pass through the dam base, with respect to the downstream toe (D).Account for the hydrostatic thrust force on the upstream (A-B) and downstream(C-D) faces of the dam, pore pressure on the base (A-D) and the weight of thedam wall.The weight of the radial gate and gate supporting structure can be ignored.Assume the radial gates are fully closed and there is no water on the spillway. The central section of the dam wall has the following dimensions and properties:Maximum water depth above dam spillway 8.2 metrescrest, z at Full Supply Level with gates closed23.5 kN/m³140 metres8.5 metresSpecific weight of concrete dam wall, yVertical height of the dam wall, HDam crest width (B-C)Angle of the spillway with the horizontal 55°base, 0 isInternal angle at the upstream toe,90°Depth of water downstream of the dam wall 5 metresRadial gate radius10 metresLength of each radial gate12 metres

A dam section is given as below Self weight of the radial gate and its supporting structure is…

Answered: The central section of the dam wall has…

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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For the maximum water height at full supply level, calculate the complete vector
of the resultant force on the central section of the dam wall per metre length,
as it would pass through the dam base, with respect to the downstream toe (D).
Account for the hydrostatic thrust force on the upstream (A-B) and downstream
(C-D) faces of the dam, pore pressure on the base (A-D) and the weight of the
dam wall.
The weight of the radial gate and gate supporting structure can be ignored.
Assume the radial gates are fully closed and there is no water on the spillway.

The central section of the dam wall has the following dimensions and properties:
Maximum water depth above dam spillway 8.2 metres
crest, z at Full Supply Level with gates closed
23.5 kN/m³
140 metres
8.5 metres
Specific weight of concrete dam wall, y
Vertical height of the dam wall, H
Dam crest width (B-C)
Angle of the spillway with the horizontal 55°
base, 0 is
Internal angle at the upstream toe,
90°
Depth of water downstream of the dam wall 5 metres
Radial gate radius
10 metres
Length of each radial gate
12 metres

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