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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: Review of Dry-Mix Coarse-Aggregate Shotcrete as Underground
Author(s): Helmut G. Kobler, P.E.
Publication: Special Publication
Appears on pages(s): 188-200
Abstract:Late in 1964, while working on the construction of the Montreal Subway, a dear friend of mine, Dr. Emil Schmidt, Past President and Chairman of the Sika Chemical Corporation, asked me to write a paper for ACI dealing with my past experience in the use of dry-mix coarse-aggregate shotcrete as underground support. At that point in time, my knowledge of the subject under consideration was limited and based only upon experience gained while using the process in Venezuela, Switzerland and Austria. Since, at the time of Emil's request, very little about the material and underground shotcrete procedures was known on the North American Continent, I was indeed most eager to impart to my North American colleagues the limited knowledge I possessed about the subject. The result of my efforts became known as Paper No. 3 of ACI publication SP-14 titled "Shotcreting". A while back, Professor Parker was kind in asking me to present to you at this conference, an update of my 1966 paper.
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