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Quality Control, Traceability and Verification of the Process for Construction of Deposition Tunnels
Swedish Nuclear Fuel and Waste Management Company (SKB).
Swedish Nuclear Fuel and Waste Management Company (SKB).
2014 (English)Conference paper, Presentation (Refereed)
Abstract [en]

The unique requirements on post-closure safety related to the construction of a disposal facility for spent nuclear fuel demands measures to control and verify the construction process. The Swedish Nuclear Fuel and Waste Management Company (SKB) have selected the Forsmark site for construction of a repository facility. Traceability in all work steps is necessary in order to verify that requirements for post-closure safety on the underground openings are met. This puts high demands on the construction of the deposition tunnels, as well as on the documentation of the construction works.The Äspö Hard Rock Laboratory (HRL), Sweden, is used by SKB for research and development of technology required for the final repository for spent nuclear fuel. During 2012 the HRL was expanded with 308 meters of new main and experimental tunnels. This was a good opportunity for SKB to apply requirements related to control, traceability and verification of the drill and blast excavation method. The tunnels were excavated using a factory new drilling jumbo and emulsion explosives, both with modern logger equipment, in order to receive a good control and documentation of drilling and charging works. The control plans for the work included additional measures to control, document and verify the process and results of the excavation. This paper aims to describe and exemplify the process of blast design, quality control, documentation and verification of the excavation works together.

Place, publisher, year, edition, pages
2014.
National Category
Other Civil Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-40449Scopus ID: 84962339028Local ID: f97f1d3a-434d-48f9-9309-836d7de6140cOAI: oai:DiVA.org:ltu-40449DiVA: diva2:1013971
Conference
Asian Rock Mechanics Symposium : 14/10/2014 - 16/10/2014
Note
Upprättat; 2014; 20160513 (henitt)Available from: 2016-10-03 Created: 2016-10-03Bibliographically approved

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Scopushttps://www.onepetro.org/conference-paper/ISRM-ARMS8-2014-241

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