Prestressed Concrete-Lined Pressure Tunnels: Towards Improved Safety and Economical Design (IHE Delft PhD Thesis Series) - Image 1

£151.80

CRC Press Prestressed Concrete-Lined Pressure Tunnels: Towards Improved Safety and Economical Design (IHE Delft PhD Thesis Series)

Name: Prestressed Concrete-Lined Pressure Tunnels: Towards Improved Safety and Economical Design (IHE Delft PhD Thesis Series)
Brand: CRC Press
Price: 144.59 GBP
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Mechanics

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Product Description Hydropower can be a source of sustainable energy, provided environmental considerations are taken into account and economic aspects of hydropower design are appropriately addressed. Using concrete-lined pressure tunnels instead of steel pipes may be economically attractive but may also have limitations due to the low tensile strength of concrete. Cracking in concrete tunnel linings can lead to loss of energy production, extensive repairs, and even accidents. One of the techniques available to improve the bearing capacity of pressure tunnels is through prestressing the concrete lining by grouting the circumferential gap between the concrete lining and the rock mass at high pressure. A classical approach to determine the bearing capacity of such tunnels is based on the theory of elasticity, assuming impervious concrete. In this research, a new concept is introduced to assess the effect of seepage on the bearing capacity of pressure tunnels. Also, an innovative approach is proposed to explore the effects of the in-situ stress ratio on the lining performance. Distinction is made based on whether the rock mass behaves as an elasto-plastic isotropic, or elastic anisotropic material. Furthermore, a simplified method is introduced to quantify seepage associated with cracks around the tunnel, which is useful for assessing tunnel stability. About the Author Yos Simanjuntak (1978,Pangkalan Susu, Indonesia) obtained his BSc (Cum Laude) in Civil Engineering from the Institut Teknologi Medan in Indonesia (2002), where he was later on appointed as an Assistant Lecturer. From May to July 2005, he worked as a Program Assistant for the United Nations WHO on the small island of Nias in Sumatra, which, as so many other communities surrounding the Indian Ocean, had suffered dearly from the devastating Tsunami during Christmas 2004. In 2007, he received a MSc (with Distinction) in Hydraulic Engineering at UNESCO-IHE in Delft, The Netherlands. In November 2010, he started his PhD research at UNESCO-IHE/TU Delft focusing on the design of prestressed concrete-lined pressure tunnels. He has guided several MSc students and given lectures on the topic of the Design of Settling Basins for the short course Small Hydropower Developments at UNESCO-IHE until 2014.Currently, he works at Plaxis B.V in Delft as a Sales Support Engineer, in which his responsibilities are, among others, providing advice to new and existing customers worldwide on the various Plaxis software products. As the name suggests, PLAXIS provides solutions based on the finite element method dedicated to civil as well as geotechnical engineering.

Product Specifications

Brand: CRC Press
Format: hardcover
ASIN: 1138373346
Category: Books > Subjects > Science, Nature & Maths > Engineering & Technology > Civil Engineering > Mechanics
Domain: Amazon UK
Release Date: 27 September 2018
Listed Since: 10 March 2019

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CRC Press Prestressed Concrete-Lined Pressure Tunnels: Towards Improved Safety and Economical Design (IHE Delft PhD Thesis Series)

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