Presented by Dr Chris Phillips, Landcare Research
More details to follow
Presented by Dr Chris Phillips, Landcare Research
More details to follow
As digitisation picks up speed within the industry, connecting engineers to their data in a timely manner is becoming increasingly important. John and Ryan would like to share some of their lessons and experiences from the past as well as predictions for the future.
Equipping you with the knowledge you need to make the most of your data, sensors and monitoring and to enable you to deliver a better, safer and more sustainable service to your clients.
John King and Ryan Milligan have been intimately involved with Geotechnical instrumentation for their entire careers at Geotechnics. With combined experience exceeding 20 years, they have gathered some interesting insights along the way.
Please register for free HERE
Free Registration HERE
Jason Redgers, Dr Serhat Baycan & Dr Philipp Schober from BAUER Spezialtiefbau GmbH
The stability of slopes, specially when consisting of soft cohesive soils or liquefiable granular material, can be compromised during seismic event and lead to major failures. Lateral spreading or sliding failure can be induced by reduced shear strength and horizontal acceleration during a seismic event. Soil improvement techniques can be used to increase the shear strength and mitigate the risk of liquefaction and lateral spreading. Reinforcement and compaction techniques, alone or in combination, are most suitable to overcome slope stability problems. Advanced design, using 3D-FE analysis can be further applied to provide technically and commercially optimized soil improvement solutions.
This webinar presents the progress made in the last few decades for construction on soft soils using new technologies. This includes basal reinforcement, prefabricated vertical drains, column/piled support embankments, etc. The presentation follows the author’s 40-year investigation on construction of embankments on soft and/or difficult soils ranging from peat to rate sensitive soft clay and silt.
Please register using the link above.
Educated at the University of Sydney Rowe worked with the Australian Government Department of Construction 8 years prior to immigrating to Canada. He spent 20 years as a professor at The University of Western Ontario, London, Canada. From 2000 to 2010, he served as Vice-Principal (Research) at Queen’s University in Kingston. Since 2010 he has held the Canada Research Chair in Geotechnical and Geoenvironmental Engineering at Queen’s where he is also the Barrington Bachelor Distinguished University Professor. His professional practice and research has covered a broad range of geotechnical and geoenvironmental engineering including extensive work on geotextiles, geomembranes, geogrids, geonets landfills, ponds, dams as well as reinforced embankments and walls. He is a past President of the International Geosynthetics Society, the Canadian Geotechnical Society and the Engineering Institute of Canada. He has been selected to present the world’s most prestigious named geotechnical lectures including the Giroud Lecture (2002), Rankine Lecture (2005), Karl Terzaghi Lecture (2017), and Mercer Lecture (2019). In 2013, the International Society for Soil Mechanics and Geotechnical Engineering created a named lecture to honour his pioneering contributions to geoenvironmental engineering, the ISSMGE R. Kerry Rowe Lecture. He has received numerous awards and been elected a a Distinguished Member of ASCE (its highest award), Foreign Member of the US National Academy of Engineering, and a Fellow of the Royal Society (London, UK), UK Royal Academy of Engineering, the Royal Society of Canada, and the Canadian Academy of Engineering. He has been appointed an Officer of the Order of Canada (O.C.).
Presented by Dick Beetham,
Principal Geotechnical Engineer & Engineering Geologist, Coffey NZ
Ruahihi and Wheao canal collapses, 1981 and 1982. These two case histories where something goes drastically wrong are pictorially described and discussed. The photo images graphically demonstrate what has happened; the lessons learnt, and steps taken for improvement are discussed. They are mostly applicable today. As geotechnical practitioners we have limited work experience and we must learn from case histories, favourable and unfavourable!
Interestingly Dick is double qualified, with both a BE Civil from Canterbury University and a BSc in geology and geophysics from Auckland University. He is also one of very few people jointly awarded as both CPEng and PEngGeol.
DR ROBERT PYKE was born and raised in Australia and received his bachelor’s degree in Civil Engineering from the University of Sydney. He then worked for the Commonwealth Department of Works in Canberra on various water resource projects before attending graduate school at the University of California, Berkeley. At Berkeley he conducted original research for his Ph.D. under the guidance of the late Professor Harry Seed and formed a close relationship with Professor Seed with whom he subsequently worked on a number of consulting assignments. Since 1977 Dr Pyke has worked principally as an individual consultant on special problems in geotechnical, earthquake and water resource engineering.
This talk will outline an earthquake-induced landslide (EIL) forecast tool that will produce outputs for the GeoNet landslide duty officers after a significant earthquake, in near-real time, approximately 5 to 7 minutes after being triggered. The function of this tool is to provide rapid advisory information about the severity and likely location and impacts of landslides following a major earthquake, where ground shaking data recorded by the GeoNet strong motion instrument network is used as the input for the tool. The EIL forecast tool is the first of several to be developed as part of a larger landslide forecast project being carried out by the GNS Science landslide and social science teams, and others. The aims of the overall project are to allow the GeoNet landslide duty officers (the end users) to: 1) Rapidly identify whether an earthquake or a rain event can generate landslides and the severity of landsliding; 2) Rapidly generate advisory information such as a spatial representation (map and table) of where landslides could occur in a significant earthquake or rainfall event and where the debris might travel, which can be used to help target response activities. The efficacy of the tool is demonstrated using the MW 7.8 14 November 2016 Kaikoura Earthquake, and the landslides it generated, as an example of how the tool would work and the outputs it generates.
Details to register and connect below. Please log in 15 minutes prior to the presentation to ensure you are connected!
Presented by Liam Wotherspoon
This presentation will provide an overview of the regional geotechnical and geophysical site investigation studies that have recently been carried out across New Zealand, with a focus on improving our understanding of sedimentary basin structures and the shear wave velocity of regional soil deposits. The field testing methodologies that have been used across these studies will be discussed and how they were applied in each region of interest. Outputs have been used to inform appropriate site subsoil classifications across these regions according to NZS1170.5, with examples of these updated classifications presented and discussed. Methods that have been developed for the rapid characterisation of basins to develop first order velocity models that will inform ground motion simulation efforts will also be summarised. These studies have been supported by a range of different research programmes and in partnership with a number of councils. The presentation will end with a summary of future studies and the need for industry data to improve our understanding of soil profile characteristics across the GeoNet strong motion station network, as part of the update of the New Zealand National Seismic Hazard Model.
Presented by W.Morgan NeSmith (P.E),
Director of Engineering, Berkel & Company, Atlanta, USA
Liquefaction induced settlement or structure movement due to lateral spread are two significant design challenges in seismically active areas. In deep liquefiable sands (e.g. 9 m and deeper), traditional vibration or soil mixing techniques may prove to be financially and operationally inefficient. Drilled displacement systems that densify the sands by mechanically displacing them laterally can be an efficient alternative in this scenario. The presentation will provide background on drilled displacement piles/elements and their modification to ground improvement systems including for liquefaction mitigation.
Morgan is the Director of Engineering at Berkel & Company and has more than 20 years of experience in geotechnical contracting and consulting. Since 2004, he has specialized in the design and installation of cast-in-place piles and ground improvement systems for Berkel & Company Contractors. Morgan is a Deep Foundation Institute (DFI) trustee and the immediate past chair and current trustee liaison of the DFI ACIP and DD Pile Technical Committee.
Please register on line HERE
Wednesday 7 Oct 2020
AEST: 6:00 pm – 7:00 pm
NZ: 8pm – 9pm
PRESENTED BY Fred Baynes
Experienced practitioners throughout the world are concerned that many of the sophisticated engineering geological studies that are currently being carried out exhibit a lack of understanding of the fundamental principles of engineering geology.
To counter this trend, a working group of IAEG Commission 25, is attempting to establish Guidelines to provide succinct, practical, accessible and authoritative advice on how to create effective Engineering Geological Models for use on projects. These Guidelines are aimed at practitioners from around the world involved in projects ranging from investigating single storey dwellings to constructing a major piece of infrastructure or carrying out a regional study for planning purposes.
The background, progress and interim findings of Commission 25 will be presented and the key messages of the Guidelines will be illustrated with both practical and theoretical examples from a variety of projects.
This webinar event will utilise a browser-based platform, and thus no download of additional programs is required by attendees.
Multiple web browsers are supported by the webinar platform, and you can check the exact requirements here.
Please note that you will also need to be able to suitably access the internet to attend the online event.