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Founded in 1904 and headquartered in Farmington Hills, Michigan, USA, the American Concrete Institute is a leading authority and resource worldwide for the development, dissemination, and adoption of its consensus-based standards, technical resources, educational programs, and proven expertise for individuals and organizations involved in concrete design, construction, and materials, who share a commitment to pursuing the best use of concrete.
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Home > Publications > International Concrete Abstracts Portal
The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts.
Title: Contractors Experience with "The New Austrian Tunnelling Method" (Economy and Flexibility)
Author(s): F.K. Blindow and H. Wagner
Publication: Special Publication
Appears on pages(s): 597-612
Abstract:This report about "Contractors Experience with NATM", should give a comparision between economy and flexibility. At the beginning some statisical aspects. As it is probably known, jutst now there are over 100 cities all over the world having more than one million inhabitants. This number will increase within the next 20-25 years to about 400 cities.
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