Welcome to our library

graphics by L.C.L-T.

All2plan hopes that readers will find the information in this section useful and that readers will respect the copyright ownership of all articles here. All feedback is welcome. We can all learn so much by sharing ideas.

Sprayed concrete lined tunnels, CRC Press, Boca Raton, USA, ISBN: 9780367209759 – https://www.crcpress.com  Available as hardback or ebook!   A. H. Thomas

Read  a review here:  “This is an easy book to read…with a punchy delivery of the key facts — ideal for a busy engineer.” – Mike King, Director, MK Tunnelling in Tunnels and Tunnelling May 2020

Selected articles

Some thoughts on carbon reduction from the ITA Slovenia conference, Ljubljana, 2023 – full paper here: Practical Guidance on Reducing a Tunnel’s Carbon Footprint, p 182-191, A. H. Thomas

Glass fibre reinforced polymer (GFRP) permanent rock bolts, ITA-AITES World Tunnel Congress, WTC2022 and 47th General Assembly Bella Center, Copenhagen 2022,  A.H. Thomas

Spraying for success – Rules of thumb: sprayed concrete, Tunnels & Tunnelling International August 2021 p 24-27, A.H. Thomas

Design methods for fibre reinforced concrete – full paper here & presentation here: p 18-26, ITA Slovenia conference , Ljubljana, 2021, A. H. Thomas

Fibre reinforced sprayed concrete for ground support, Tunnelling and Underground Space Technology, Volume 99, May 2020, 103302  E.S. Bernard & A.H. Thomas

Achieving sustainability in underground construction through innovation, Proceedings of the Institution of Civil Engineers – Civil Engineering,  Volume 173 Issue 5: Special issue on underground construction (May, 2020. p 5-10).  A.H. Thomas

Glass fibre reinforced plastic (GFRP) permanent rockbolts, Fjellsprengningsdagen, 2019 A.H. Thomas 

Life-cycle assessments of rock bolts, Tunnelling Journal, June/July, p 47-49. J.Kodymova, A.H.Thomas & M.Will 

The design philosophy for permanent sprayed concrete linings, Sprayed Concrete Symposium 2018, Trondheim A.H.Thomas & R. Dimmock 

Design methods for fibre reinforced concrete, Proceedings of the World Tunnel Congress 2014 – Tunnels for a better Life. Foz do Iguaçu, Brazil. A.H.Thomas 

Numerical modelling of sprayed concrete lined (SCL) tunnels – A.H.Thomas PhD thesis 2003

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