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1974•ACI Materials JournalRequires access

FAST SET SHOTCRETE IN CONCRETE CONSTRUCTION

H N Steenson

Open publisher page 2 citations

Abstract

Shotcrete as a supporting material for tunnel and for tunnel lining has not been used a great deal in North America. This paper discusses the technique of coarse aggregate shotcreting and how it is being used today. In the past shotcreting was used on a limited basis, mainly as a rock sealant technique. With advances in technology and equipment, an increased use of coarse aggregate shotcrete in tunnels and underground mines is expected. The main thrust is coming from the ability to use accelerators in wet mix shotcrete.

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What this paper is about

Shotcrete as a supporting material for tunnel and for tunnel lining has not been used a great deal in North America. This paper discusses the technique of coarse aggregate shotcreting and how it is being used today. In the past shotcreting was used on a limited basis, mainly as a rock sealant technique. With advances in technology and equipment, an increased use of coarse aggregate shotcrete in tunnels and underground mines is expected. The main thrust is coming from the ability to use accelerators in wet mix shotcrete.

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Available abstract

Shotcrete as a supporting material for tunnel and for tunnel lining has not been used a great deal in North America. This paper discusses the technique of coarse aggregate shotcreting and how it is being used today. In the past shotcreting was used on a limited basis, mainly as a rock sealant technique. With advances in technology and equipment, an increased use of coarse aggregate shotcrete in tunnels and underground mines is expected. The main thrust is coming from the ability to use accelerators in wet mix shotcrete.

Key concepts: Shotcrete, Aggregate (composite), Sealant, Crushed stone, Geotechnical engineering, Mining engineering, Forensic engineering, Geology

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