A steel pipe is used to drain water from a reservoir that is 50 m above the datum, and water is discharged into the air at the elevation of the datum. The pipe is 1500 m long and 450 mm diameter and 50 mm wall thickness. A valve is installed at the downstream end of the pipe allows a flow rate of 0.71 m³/s. The valve was completely closed in 1.4 sec. Calculate maximum hammer pressure at the valve. The pipe is longitudinally anchored. Eb = 2.1×10° N/m², Ec=1.9×10¹¹ N/m².

A steel pipe is used to drain water from a reservoir that is 50 m above the datum, and water is discharged into the air at the elevation of the datum. The pipe is 1500 m long and 450 mm diameter and 50 mm wall thickness. A valve is installed at the downstream end of the pipe allows a flow rate of 0.71 m³/s. The valve was completely closed in 1.4 sec. Calculate maximum hammer pressure at the valve. The pipe is longitudinally anchored. Eb = 2.1×10° N/m², Ec=1.9×10¹¹ N/m².

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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Pressurized pipe flow

A 15-kilometer-long pipe with a pipe diameter of one meter transports water at a speed of one meter per second. The pipe has a friction coefficient of 0.005. Calculate the frictional head loss?

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A steel pipe is used to drain water from a reservoir that is 50 m above the datum, and water is
discharged into the air at the elevation of the datum. The pipe is 1500 m long and 450 mm diameter
and 50 mm wall thickness. A valve is installed at the downstream end of the pipe allows a flow rate
of 0.71 m³/s. The valve was completely closed in 1.4 sec. Calculate maximum hammer pressure at the
valve. The pipe is longitudinally anchored. Eb = 2.1×10° N/m², Ec=1.9×10¹¹ N/m².

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