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DTSTART;TZID=Australia/Sydney:20230608T173000
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DTSTAMP:20260417T193415
CREATED:20230606T051632Z
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UID:18093-1686245400-1686252600@australiantunnellingsociety.com.au
SUMMARY:ATS NSW - Discrete fracture network approach for underground support design optimisation
DESCRIPTION:Ground support design for underground rock engineering projects often adopts empirical methods\, which were mostly developed in 1960s and 1970s. While these methods have provided a useful tool to aid design\, they have typically been based on a limited database of project experience and so their results need to be interpreted in the context of local experience and engineering judgement. Discrete Fracture Network (DFN) model allows inclusion of site-specific discontinuities data to be stochastically quantified and explicitly adopted as design input. Combined with 3D Distinct Element Method\, this approach offers a more quantifiable\, verifiable and reproduceable method to assess rock mass quality & behaviour in underground excavation projects. \nThis presentation demonstrates benefits gained from this integrated approach in ground support design for large span rock caverns using a case study. The use of DFN and explicit modelling has allowed ground support to be optimised based on site-specific and more realistic anticipated ground conditions. Ivan is the David Sugden Award winner for 2022 and will present his award-winning paper in person entitled: Discrete Fracture Network Approach in Ground Support Design Optimisation for Large Span Cavern in Jointed Rock Mass. The David Sugden Award was initiated by the ATS in 2004 to encourage young engineers to develop the art of technical writing. The competition is open to all ATS members and university students under 35 years of age. \nLearning Outcomes\nIvan is the David Sugden Award winner for 2022. He will present his award-winning paper in person. This presentation\, so-called’ David Sugden Award Road Show’ is one of the annual events organised by ATS. Key takeaways will include: \n\ninterpretation of discontinuities in rock mass using DFN application of the advanced analytical method to understand rock mass behaviour\nactual large cavern design case.\n\nEvent Program\n\n5.30pm: Welcome and light refreshments\n6.00pm: Presentation commencement\n7.00pm: Networking and drinks\n7.30pm: Event concludes\n\nTicket Inclusions\n\nLight refreshments\nCanapes\nNon-alcoholic beverages\nAlcoholic beverages\n\nAbout the speaker\n \nIvan Haryono\, MIEAust CPEng NER\nSenior Associate Geotechnical Engineer\, WSP \nIvan Haryono is Chartered and Registered Professional Geotechnical Engineer with over 12 years of experience on large scale tunnelling and deep excavation projects in Hong Kong\, Canada\, Australia\, Singapore\, and the Netherlands in different project stages; from tender & detailed design\, construction phase services\, forensic analysis and claims\, and independent review. He has worked on various Drill & Blast tunnels\, TBM tunnels\, deep shafts in both soft ground and rocks; for metro railway & stations\, highways\, wastewater treatment plants\, and mines. He is experienced in advanced numerical analysis for soil or rock mechanics and ground-structure interaction problems\, including finite element\, finite difference\, & distinct element methods\, and discrete fracture network modelling.
URL:https://australiantunnellingsociety.com.au/ats-event/ats-nsw-discrete-fracture-network-approach-for-underground-support-design-optimisation/
LOCATION:Engineers Australia\, Sydney office\, Mezzanine Floor\, 44 Market Street\, Sydney\, NSW\, 2000\, Australia
CATEGORIES:New South Wales
ATTACH;FMTTYPE=image/jpeg:https://australiantunnellingsociety.com.au/wp-content/uploads/2022/10/EA_141022046-9.jpg
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