Keynote Lecture - "Key aspects influencing gravelly soil liquefaction - insights from laboratory investigations" - GeoMandu 2024, 29 Nov. 2024, Kathmandu, Nepal.
Special Theme Lecture - "Gravel-rubber mixtures: macro- and micro-scale engineering properties": 2nd International Conference on Construction Resources and Environmentally Sustainable Technology (CREST 2023), 21 Nov. 2023, Fukuoka, Japan.
Keynote Lecture - "Macro- and micro-scale engineering response of rigid-soft gravel-rubber inclusions: insights from detailed laboratory and DEM numerical investigations": 1st International Conference of Construction Materials and Environment (ICCME 2021), 3 June 2021, Waknaghat, India.
State-of-the-Art-and-Practice Lecture - "Cyclic resistance and large deformation characteristics of sands under sloping ground conditions: insights from large-strain torsional simple shear tests": 7th International Conference on Recent Advances in Geotechnical Earthquake Engineering and Soil Dynamics (7ICRAGEE), 13 July 2021, Roorkee, India.
"I recenti terremoti di Christchurch ed il ruolo della geotecnica nella gestione e prevenzione del rischio sismico", 7mo Convegno su "Il Nostro Ambiente" - Il Rischio Sismico: Prevenzione e Gestione, 8 Mar 2025, Falvaterra, Italy
QuakeCoRE NZSEE Pre-Conference Workshop "Earthquake Engineering Research for the Residential Sector", Apr 13, 2021, Christchurch, NZ
20th Symposium of the NZGS, 24 Nov. 2017, Napier, NZ - Session Reporter
JST J-RAPID Kumamoto Earthquake Symposium, 4 Mar. 2017, Kumamoto, Japan
Disastrous Doctorates Annual Conference, March 21, 2017, Christchurch, NZ
US-New Zealand-Japan International Workshop on Effects of Liquefaction, 2-4 Nov. 2016, Berkeley, CA, USA
NZ-Japan Geotechnical Colloquium, 16 Mar. 2016, Auckland, NZ
JSPS Science Dialogue Lecture Series, 24 Feb. 2015, Chiba, Japan
"Liquefaction of alluvial gravelly soils: insights from laboratory tests", 2 May 2025, QuakeCoRE IP1 Seminar, Christchurch, NZ
"Liquefaction in alluvial gravelly soils: insights from field and laboratory observations", 25 Mar 2025, University of L'Aquila, L'Aquila, Italy
"Key aspects of liquefaction in alluvial gravels and gravel reclamations: insights from recent New Zealand earthquakes", 19 Mar 2025, University of Thessaly, Volos, Greece
"Key aspects of liquefaction in gravelly soils: insights from recent New Zealand earthquakes", 14 Mar 2025, University of Catania, Catania, Italy
"Geochemical characterisation of NZ volcanic soils", 11 Dec 2023, The Ministry of Land and Natural Resources, Nuku'alofa, Tonga
"Reuse and recycle of granular waste materials in geotechnical engineering applications", 4 July 2019, Nanyang Technological University, Singapore
"Reuse of waste tyres: issues, challenges and opportunities – a New Zealand perspective", 26 Apr 2019, University of Tokyo, Tokyo, Japan
"Catastrophic earthquake-induced slope failure in volcanic soil deposits: the Takanodai landslide, Kumamoto, Japan", 16 Apr 2019, QuakeCoRE FP2 Seminar, Christchurch, NZ
"Site characterization and liquefaction potential of Blenheim gravelly deposits", 22 Aug 2018, QuakeCoRE FP2 Seminar, Christchurch, NZ
"Geotechnical and geological aspects of the 14 November 2016 Kaikoura Earthquake, NZ", 14 Sept 2017, University of Tokyo, Tokyo, Japan
"The 2016 Kumamoto Earthquake, Japan: insights from earthquake damage survey", DPRI-QuakeCoRE Seminar Series, 19 Aug 2016, Christchurch, NZ
"The 2015 Gorkha Nepal Earthquake: insights from earthquake damage survey", CNRE Seminar Series, 25 Sept 2015, University of Canterbury, Christchurch, New Zealand
"Reuse of granular industrial by-products for sustainable geotechnical projects", 20 Oct 2014, University of Canterbury, Christchurch, New Zealand
"New insights into the failure mechanisms of liquefiable sandy sloped deposits", 21 Aug 2014, University of Yamaguchi, Yamaguchi, Japan
"Effective reuse of granular industrial by-products for a sustainable port reclamation project in Australia", 31 July 2014, University of Tokyo, Tokyo, Japan
"Reuse of granular industrial by-products for a sustainable port reclamation project in Australia", 11 Feb 2014, University of Cassino and Southern Lazio, Cassino, Italy
"Failure mechanisms of liquefiable sand within sloped ground during earthquakes", 14 Nov 2013, University of Tokyo, Tokyo, Japan
"Prediction of earthquake-induced liquefaction and shear failure of sandy sloped ground", 9 May 2013, University of Canterbury, Christchurch, New Zealand
"Prediction of liquefaction and failure mechanisms of sandy sloped ground during earthquakes", 22 Nov 2012, University of Cassino and Southern Lazio, Cassino, Italy
"Liquefaction and failure mechanisms of sandy sloped ground during earthquakes: laboratory observation and field prediction", 11 Oct 2012, University of Hong Kong, Hong Kong
"Deformation properties of sand with initial static shear in undrained cyclic torsional shear tests and their modeling", 12 Aug 2010, University of Tokyo, Tokyo, Japan
"Gravel-rubber mixtures & geotechnical seismic-isolation (GSI) foundation systems", 5 April 2023, Tonkin+Taylor, Christchurch, NZ
"End-of-life tyres (ELTs): waste or engineering resource? Recycling ELTs in geotechnical seismic isolation (GSI) applications: turning issues into opportunities in Aotearoa New Zealand", 5 March 2021, Beca Ltd., Christchiurch, NZ
1st International Symposium on Construction Resources and Environmentally Sustainable Technology (CREST 2020), 9-11 March, 2021, Fukuoka, Japan
7th International Conference on Earthquake Geotechnical Engineering, June 17-20, 2019, Rome, Italy
11th Pacific Conference on Earthquake Engineering, Apr. 4-6, 2019, Auckland, New Zealand
13th ANZ Geomechanics Conference, Apr. 1-3, 2019, Perth, Australia
International Conference on GIS and Geoinformation Zoning for Disaster Mitigation, Nov. 15-16, 2018, Auckland, New Zealand
QuakeCoRE Annual Meeting, Sept. 4-6, 2018, Taupo, New Zealand
5th Geotechnical Earthquake Engineering & Soil Dynamics Conference, June 10-13, 2018, Austin, TX, USA
19th International Conference on Soil Mechanics and Geotechnical Engineering, TC203 Session, Sept. 17-22, 2017, Seoul, South Korea
QuakeCoRE Annual Meeting, Sept. 3-6, 2017, Taupo, New Zealand
QuakeCoRE Annual Meeting, Aug. 31 - Sept. 2, 2016, Taupo, New Zealand
6th International Symposium on Deformation Characteristics of Geomaterials (IS-BA), Nov. 15-18, 2015, Buenos Aires, Argentina
6th International Conference on Earthquake Geotechnical Engineering, Nov. 1-4, 2015, Christchurch, New Zealand
Annual Conference of the New Zealand Society for Earthquake Engineering (NZGS), Apr. 10-12, 2015, Rotorua, New Zealand
International Symposium on Geohazards, Nov. 19-21, 2014, Kathmandu, Nepal
16th International Summer Symposium of JSCE, Sept. 10,2014, Osaka, Japan
6th Japan-Taiwan Joint Workshop on Geotechnical Natural Hazards, July 12-14, 2014, Kitakyushu, Japan
19th Symposium of the New Zealand Geotechnical Society, Nov. 19-21, 2013, Queenstown, New Zealand
Annual Conference of the Australian Earthquake Engineering Society, Dec. 7-9, 2012, Gold Coast, QLD, Australia
International Conference on Ground Improvement and Ground Control, Oct. 30 - Nov. 1, 2012, Wollongong, NSW, Australia
2nd International Symposium on Constitutive Modeling of Geomaterials, Oct. 15-16, 2012, Beijing, China
5th International Symposium on Deformation Characteristics of Geomaterials (IS-Seoul), Sept. 1-3, 2011, Seoul, South Korea
5th International Conference on Earthquake Geotechnical Engineering, Jan. 10-13, 2011, Santiago, Chile
12th International Summer Symposium of JSCE, Sept. 18, 2010, Funabashi, Japan
Earthquake Geotechnical Engineering Conference, 17th ICSMGE, Oct. 2-3, 2009, Alexandria, Egypt
11th International Summer Symposium of JSCE, Sept. 11, 2009, Tokyo, Japan