A 2.75-m- wood-stave pipe has 9 m³/s of water entering through a horizontal 30⁰ reducing bend where the other end is 1.82 m in diameter. The curved portion is made of steel plate to resist rupture and the bend is embedded in concrete block weighing 2400 kg/m³. The pressure at entrance of the bend is 138 kPa. The combined weight of the bend and its content is 268 kN. Neglecting friction in the flow, compute the minimum volume of concrete block holding the bend that can withstand the thrust of CS:

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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A 2.75-m-Ø wood-stave pipe has 9
m³/s of water entering through a horizontal 30⁰
reducing bend where the other end is 1.82 m in
diameter. The curved portion is made of steel plate to
resist rupture and the bend is embedded in concrete
block weighing 2400 kg/m³. The pressure at entrance
of the bend is 138 kPa. The combined weight of the
bend and its content is 268 kN. Neglecting friction in
the flow, compute the minimum volume of concrete
block holding the bend that can withstand the thrust of
water on the bend assuming the coefficient of friction
between the concrete and its foundation is 0.30.
Transcribed Image Text:A 2.75-m-Ø wood-stave pipe has 9 m³/s of water entering through a horizontal 30⁰ reducing bend where the other end is 1.82 m in diameter. The curved portion is made of steel plate to resist rupture and the bend is embedded in concrete block weighing 2400 kg/m³. The pressure at entrance of the bend is 138 kPa. The combined weight of the bend and its content is 268 kN. Neglecting friction in the flow, compute the minimum volume of concrete block holding the bend that can withstand the thrust of water on the bend assuming the coefficient of friction between the concrete and its foundation is 0.30.
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