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SHOTCRETING APPLIED TO SHELL CONSTRUCTION IN THE PRECUTTING TUNNELLING METHOD

Pietro Lunardi, A Focaracci, E. Mongilardi, Raffaella Granata

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Abstract

Shotcrete use in the precutting tunnelling method differs from that in conventional temporary-support shotcrete practice. In the former, shotcrete fills a slot instead of covering a surface. However, the two applications share many aspects of interest to shotcrete users. In this paper the problems faced and the solutions implemented in optimising the shotcrete placed, in developing the equipment and technique to increase production, and in preparing uniform quality wet shotcrete are discussed. For the covering abstract see ITRD E108195.

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What this paper is about

Shotcrete use in the precutting tunnelling method differs from that in conventional temporary-support shotcrete practice. In the former, shotcrete fills a slot instead of covering a surface. However, the two applications share many aspects of interest to shotcrete users. In this paper the problems faced and the solutions implemented in optimising the shotcrete placed, in developing the equipment and technique to increase production, and in preparing uniform quality wet shotcrete are discussed. For the covering abstract see ITRD E108195.

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Available abstract

Shotcrete use in the precutting tunnelling method differs from that in conventional temporary-support shotcrete practice. In the former, shotcrete fills a slot instead of covering a surface. However, the two applications share many aspects of interest to shotcrete users. In this paper the problems faced and the solutions implemented in optimising the shotcrete placed, in developing the equipment and technique to increase production, and in preparing uniform quality wet shotcrete are discussed. For the covering abstract see ITRD E108195.

Key concepts: Shotcrete, Engineering, Geotechnical engineering, Forensic engineering

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