PORTO-
FREI

Qanat Knowledge

Construction and Maintenance

von Labbaf Khaneiki, Majid / Semsar Yazdi, Ali Asghar   (Autor)

This book offers a ready solution for those who wish to learn more about this fascinating part of our water history and makes accessible to the wider world the traditional knowledge gained from building and maintaining qanats for more than 2,500 years. There is much more here than a summary of the nature and distribution of qanats, and a more extensive journey through the philosophy, methods, tools, and terminology of qanat design and digging than previously assembled. Where does one begin to dig to ensure that the qanat tunnel will flow with water? How are practical considerations of landscape factored into the design? How are water quality and discharge measured? How does excavation proceed through bedrock and unconsolidated soil and how is this knowledge of geology and pedology acquired? How are vertical wells and tunnels excavated to maintain proper air supply, light, and water flow? How does one deal with special problemslike tunnel collapse, the accumulation of gasses and vapors, and the pooling of water during construction? How are tools and gauges designed, maintained, and used? How have qanats been incorporated into other structures like watermills, reservoirs, ice houses, and irrigation networks? And how are qanats cleaned, extended, maintained through the ages, and incorporated into modern water supplies? The great contribution of this work is the story it tells of the ingenuity and practical skills of the qanat masters who for centuries and generations have cut an uncountable number of tunnels through bedrock and alluvium using hand tools and homespun solutions to problems that would vex the most experienced university-trained engineers.

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Produktbeschreibung

This book offers a ready solution for those who wish to learn more about this fascinating part of our water history and makes accessible to the wider world the traditional knowledge gained from building and maintaining qanats for more than 2,500 years. There is much more here than a summary of the nature and distribution of qanats, and a more extensive journey through the philosophy, methods, tools, and terminology of qanat design and digging than previously assembled. Where does one begin to dig to ensure that the qanat tunnel will flow with water? How are practical considerations of landscape factored into the design? How are water quality and discharge measured? How does excavation proceed through bedrock and unconsolidated soil and how is this knowledge of geology and pedology acquired? How are vertical wells and tunnels excavated to maintain proper air supply, light, and water flow? How does one deal with special problemslike tunnel collapse, the accumulation of gasses and vapors, and the pooling of water during construction? How are tools and gauges designed, maintained, and used? How have qanats been incorporated into other structures like watermills, reservoirs, ice houses, and irrigation networks? And how are qanats cleaned, extended, maintained through the ages, and incorporated into modern water supplies? The great contribution of this work is the story it tells of the ingenuity and practical skills of the qanat masters who for centuries and generations have cut an uncountable number of tunnels through bedrock and alluvium using hand tools and homespun solutions to problems that would vex the most experienced university-trained engineers. 

Inhaltsverzeichnis


Chapter 1. Introduction.- Chapter 2. Hydrology mechanism of qanat.- Chapter 3. Locatingqanat.- Chapter 4. Digging of shaft wells and qanat gallery.- Chapter 5. Barriers and limitations of qanat construction and rehabilitation.- Chapter 6. Tools and Equipments.- Chapter 7. Qanat maintenance and preservation.- Chapter 8. Qanat related Structures. 

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Produktdetails

Medium: Buch
Format: Gebunden
Seiten: 200
Sprache: Englisch
Erschienen: Dezember 2016
Auflage: 1st edition 2017
Sonstiges: .978-94-024-0955-0
Maße: 241 x 160 mm
Gewicht: 507 g
ISBN-10: 9402409556
ISBN-13: 9789402409550

Bestell-Nr.: 17786456 
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P_ABB: 123 schwarz-weiße und 3 farbige Abbildungen, Bibliographie
KNOABBVERMERK: 2016. xviii, 179 S. XVIII, 179 p. 124 illus., 13 illus. in color. 235 mm
KNOSONSTTEXT: .978-94-024-0955-0
Einband: Gebunden
Auflage: 1st edition 2017
Sprache: Englisch
Beilage(n): HC runder Rücken kaschiert

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