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Anchorage System for Penstocks—Case Study of Champawat Town Pumping Water Supply Scheme

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Advances in Water Pollution Monitoring and Control

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Abstract

This paper deals with the design of anchorage system for penstock of the proposed palatable water supply line for the reorganisation scheme of Uttarakhand Peyjal Nigam for Champawat town, Champawat district in state of Uttarakhand, India. The penstock has deviations and change in the elevation. Because of this, the centrifugal force and unbalanced internal pressure is generated by moving water which will produce the horizontal thrust on the penstock bends and at joints. Since the pressure in the penstock is varying with respect to change in direction and elevation which in turn lead to bursting or rupture of the penstock. Hence for the economic usage of penstock, an anchorage system has been provided by means of RCC thrust block. This anchor provided to penstock will act as the thrust restraint due to its dead weights placed opposite to penstock’s line of horizontal thrust. The design of the RCC thrust block has been done manually.

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Abbreviations

P:

Thrust

Pf:

Frictional resistance

Pp:

Passive pressure

Pa:

Active pressure

Pr:

Total resistance in kN

p:

Internal pressure of water in kN/m2

A:

Cross sectional area of pipe in m2

w:

Unit weight of water in kN/m3

v:

Velocity of flow of water in m/s

g:

Acceleration due to gravity 9.81 m/s2

θ:

Deviation angle of pipeline in degrees

HYSD:

High yield strength deformation bars

W:

Total weight carried by thrust block in kN

Wb:

Weight of thrust block in kN

Ww:

Weight of water in pipe in kN

WS:

Weight of soil cover in kN

Kp:

Co-efficient of passive earth pressure

Ka:

Co-efficient of active earth pressure

h:

Height of earth mass which is equal to dia of pipe

H:

Height of thrust block in m

L:

Length of soil thrust block in m

B:

Breadth of soil thrust block in m

∅:

Angle of internal friction of soil. It is the max inclination of a plane at which body remains in equilibrium over inclined plane by the resistance of friction only

C:

Unit cohesion

\(\upgamma_{\text{s}}\) :

Unit weight of soil cover in kN/m3

CPHEEO:

Central Public Health and Environmental Engineering Organisation

T.E.L:

Total energy line

GL:

Ground level

RSF:

Rapid sand filter

BFG:

Boulder filled gallery

IPS:

Intermediate pumping station

WTP:

Water treatment plant

MS.ERW:

Mild steel Electric resistance welded pipe

API.5L:

Pipe specification as per ISO: 3183

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Author information

Authors and Affiliations

  1. Department of Civil Engineering, University of Petroleum and Energy Studies, Bidholi via Prem Nagar, Dehradun, 248007, India

    A. N. Shankar, Imran Hussain & S. C. Gupta

Authors
  1. A. N. Shankar
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  2. Imran Hussain
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  3. S. C. Gupta
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Corresponding author

Correspondence to A. N. Shankar .

Editor information

Editors and Affiliations

  1. Department of Health Safety, Environment and Civil Engineering, University of Petroleum and Energy Studies, Dehradun, Uttarakhand, India

    Nihal Anwar Siddiqui

  2. Department of Health Safety, Environment and Civil Engineering, University of Petroleum and Energy Studies, Dehradun, Uttarakhand, India

    S. M. Tauseef

  3. Uttarakhand State Council for Science and Technology (UCOST), Dehradun, Uttarakhand, India

    Rajendra Dobhal

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Shankar, A.N., Hussain, I., Gupta, S.C. (2020). Anchorage System for Penstocks—Case Study of Champawat Town Pumping Water Supply Scheme. In: Siddiqui, N., Tauseef, S., Dobhal, R. (eds) Advances in Water Pollution Monitoring and Control. Springer Transactions in Civil and Environmental Engineering. Springer, Singapore. https://doi.org/10.1007/978-981-32-9956-6_1

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  • DOI: https://doi.org/10.1007/978-981-32-9956-6_1

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  • Publisher Name: Springer, Singapore

  • Print ISBN: 978-981-32-9955-9

  • Online ISBN: 978-981-32-9956-6

  • eBook Packages: EngineeringEngineering (R0)

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