TamCrete structural support liner – a rapid polymeric structural support lining

Authors: Kothe, T

DOI https://doi.org/10.36487/ACG_rep/1710_04_Kothe

Cite As:
Kothe, T 2017, 'TamCrete structural support liner – a rapid polymeric structural support lining', in M Hudyma & Y Potvin (eds), UMT 2017: Proceedings of the First International Conference on Underground Mining Technology, Australian Centre for Geomechanics, Perth, pp. 71-78, https://doi.org/10.36487/ACG_rep/1710_04_Kothe

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Abstract:
Normet’s TamCrete SSL (structural support liner) was introduced one and a half years ago and is a reactive resin-based, rapid-curing, gas and watertight spray-applied shell. It is applied to a thickness of 5–10 mm and gains 70 to 80% of its peak strength within three to five minutes. This paper gives an overview on application methods, key mechanical properties and case studies. The major focus of the paper will be on field tests that have been executed at a hard rock site in Finland.

Keywords: thin support liner, sealant, support

References:
British Standards Institution 1999, BS EN 1015-11:1999, Methods of Test for Mortar for Masonry, Determination of Flexural and Compressive Strength of Hardened Mortar, British Standards Institution, London, viewed 30 May 2017,
British Standards Institution 2003, BS EN ISO 4624:2003, Paints and Varnishes, Pull-off test for Adhesion, British Standards Institution, London, viewed 30 May 2017,
EFNARC 2008, Specification and Guidelines on Thin Spray-on Liners for Mining and Tunnelling, EFNARC, viewed 30 May 2017,
Normet International 2016, Tamcrete SSL TDS (Technical Data Sheet), available from Normet International on request.




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