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Articles by Harry Asche
Particle projection of fire-induced shotcrete spalling
conference contribution posted on 2025-05-30, 01:43 authored by Dorna Emami, Mehdi Serati, Harry Asche, Michael Booy As mining operations extend deeper underground, reliable support systems and workplace safety become more critical. In particular, rock bursts, blasts, and fire damage present significant challenges to the stability of deep mining operations.
Chloride penetration of shotcrete with crushed waste glass aggregates
conference contribution posted on 2025-05-28, 04:27 authored by Xuanyu Zhu, Mehdi Serati, Harry Asche, Niki Jackson, Alistair Gayler Shotcrete is a type of concrete sprayed onto surfaces using a nozzle, making it ideal for applications with irregularly shaped substrates such as rock support in deep mines and retaining walls. Unlike conventional concrete, however, shotcrete requires a mix design with enhanced pumpability which is typically achieved by increasing sand content.
Parting words from outgoing ATS President – Harry Asche
By Harry Asche I would like to describe to you some of the highlights of my time as ATS President, now that my second term is complete, and Richard has taken over. Being the President of the ATS is rather like receiving the loan of a powerful motorbike. It is exhilarating, and your job is mainly to direct the force in a beneficial manner. (But from time to time, you have to do some maintenance and repair.) The power that I am referring to, is the people of the ATS.
Friction effects on connection systems in modern concrete segmental linings
References 1Harding, A.; Chappel, M.; King, M. (2014) Myth and reality: Bolts in modern concrete segmental tunnel linings. North American Tunneling Proceedings, Society for Mining, Metallurgy, and Exploration, USA. 2BS 1992-1-1 (2004) Eurocode 2: Design of concrete structures – Part 1-1: General rules and rules for buildings. British Standards, United Kingdom. 3DAUB (2013) Recommendations for the design, production and installation of segmental rings.
Respirable Crystalline Silica-update
1 September 2021 By Harry Asche, ATS President Recently, the ATS was requested to make comment on the draft units of competency, being prepared by Artibus Innovation, who are preparing these on behalf of their client, The Construction, Plumbing and Services Industry Reference Committee. The opportunity to make comment is here, comments close on 8 September. As they currently exist, these units of competency apply mainly to domestic construction.
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