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DTSTART;TZID=Australia/Sydney:20230502T173000
DTEND;TZID=Australia/Sydney:20230502T213000
DTSTAMP:20260519T225316
CREATED:20230406T014316Z
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SUMMARY:North East Link Program tunnel design overview
DESCRIPTION:Overview \nThis presentation provides an overview of the tunnel design for the iconic North East Link Program. This is the largest tunnel project Melbourne has ever seen. \nNorth East Link (NEL) is the largest investment in a road project in Victoria’s history. It is the missing link in Melbourne’s orbital freeway between an upgraded Eastern Freeway and the M80 Ring Road. The project consists of approximately 5 km twin TBM tunnels\, each with a 14.1 m internal diameter\, two SEM mined tunnels and two cut-and-cover structures at Watsonia and Manningham. Delve Underground is the main tunnel design consultant contracted to deliver this project by SPARK consortium consists of WeBuild\, GS Engineering and Construction\, CPB Contractors\, China Construction Oceania\, Ventia\, Capella Capital\, John Laing Investments\, DIF and Pacific Partnerships. \nThe presentation will focus on the key design challenges and solutions for various design aspects including TBM temporary structures\, large-diameter TBM tunnel segments\, and Sequential Excavation Method (SEM) tunnel lining. The project adopts advanced Digital Engineering to centralise design information and facilitate asset management. \nAttendees will also be provided a unique insight into the design considerations\, key design challenges and solutions for various design aspects. The presentation will also provide an overview for the advanced Digital Engineering works carried out for the project. It is intended to be a knowledge sharing session to those who works in the tunnelling industry\, including tunnel designers\, contractors\, project managers\, and asset owners. \nThe presentation will showcase the complex 3D digital parametric models created for the project are showcased. \nThis event is programmed by ATS Young Members with the sponsorship by DELVE Underground. \nEvent program \n\n5.30 – 6.00 pm networking\n6.00 – 7.00 pm presentation followed by Q&A\n\nAbout the presenters \nRenee Shi\nAssociate engineer \nRenee Shi is a Senior Project Engineer at Delve Underground with over eight years of experience in design of underground structures and tunnels. She has worked on a number of local and international major infracture projects. Renee is the Design Package Lead for TBM tunnel lining on the North East Link Programe. \nJacob Liu\nProject structural engineer \nJacob Liu is a project structural engineer hailing from Delve Underground’s Auckland office. He has 7 years of industry experience and has worked on a wide range of structures including large-scale infrastructure\, underground structures\, bridges\, and residential buildings. His expertise comprises 2D and 3D FEA numerical modelling; the development and review of design calculations\, drawings\, and specifications; and the provision of construction phase services. \nDenis Tepavac\nAssociate – Tunnels\, Delve Underground \nDenis is an Associate engineer at Delve Underground with 13 years of experience in tunnelling on a wide range of transportation\, water and wastewater projects\, both in Australia and internationally. He has diverse design experience in metro rail\, road tunnel and large-scale underground structures. Denis is the project-wide Design Discipline Lead for SEM scope and permanent tunnel linings on the North East Link Program. \nElnaz Saminfar\nDesign Technology Specialist IV\, Delve Underground \nElnaz is a Design Technology Specialist IV at Delve Underground. She is an experienced computational designer with a structural engineering background in infrastructure and building projects. The ability to use a wide range of modelling software gives her unique flexibility in automating the process of creating complex 3D digital parametric models that can be modified and updated as required. She is the modelling lead for most of the packages on the North East Link project.
URL:https://australiantunnellingsociety.com.au/ats-event/north-east-link-program-tunnel-design-overview/
LOCATION:Level 15/385 Bourke Street\, Melbourne
CATEGORIES:Victoria
ATTACH;FMTTYPE=image/jpeg:https://australiantunnellingsociety.com.au/wp-content/uploads/2023/04/North-East-Link-Program.jpg
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DTSTART;TZID=Australia/Sydney:20230516T173000
DTEND;TZID=Australia/Sydney:20230516T200000
DTSTAMP:20260519T225316
CREATED:20230411T063315Z
LAST-MODIFIED:20230412T020309Z
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SUMMARY:Ground Challenges in Melbourne's Metro Tunnel Project
DESCRIPTION:Overview \nPlease join us for the first in the new season of ICE technical presentations at Arup’s office in Melbourne and online. This fascinating talk\, presented in collaboration between the ICE and the Australian Tunnel Society (ATS)\, will explore the ground challenges on the Metro Tunnel Project. The event will also be live streamed\, which provides a great opportunity for ATS members beyond Victoria to attend\, or for locals who cannot make it along in person. \nMelbourne’s Metro Tunnel Project is the first major metropolitan rail infrastructure project in over four decades. The project consists of 9-km twin rail tunnels and 5 new stations connecting South Kensington and South Yarra underneath Melbourne’s Central Business District (CBD). This event will be presented by Ruby Chan of Bouygues Construction Australia and Elena Gavazzi of Arup. \nThe project has faced many challenges due to its complexity across various aspects such as engineering\, architecture\, and construction. This technical talk focuses initially on the ground challenges faced during design and construction of the Cross Passages and Caverns and specifically\, how we\, as engineers\, have tackled those challenges and positively contributed to the timely delivery the Project. The final part of the evening gives an overview of the methodology used in the design of the permanent lining for the 30m wide station caverns which are in construction under the hustle and bustle of the Melbourne CBD. \nSchedule \nThe running order of the event will be: \n\n17.30 – 18.00 registration and networking\n18.00 – 19.00 Presentation and questions\n19.00 – 20.00 Networking/close\n\nSpeakers \nChan Sin Ping\, Ruby | Geotechnical Manager | Bouygues Construction Australia \nRuby is a geotechnical manager of Bouygues Construction Australia\, a chartered Engineer\, a chartered Geologist and a Member of the Institution of Civil Engineers\, starting from Hong Kong and now in Australia with approx. 15 years’ experience in infrastructure construction industry\, focusing on tunnelling and foundations. \nRuby is the former Geotechnical Manager (East & West Precincts) of CYP at Melbourne’s Metro Tunnel Project responsible for ground risks identification and management. She managed technical aspects of cross passages ground improvement works from surface and in tunnels which are critical for safe tunnelling and timely delivery of the project. \nElena Gavazzi | Associate Principal | Arup \nElena is an Associate Principal and Group Leader within the Arup Victorian practice as well as leading the Arup tunnelling team in this region. Elena is a Chartered Civil Engineer with 15 years professional experience in the Australian and UK engineering and construction industries. Throughout her career Elena has worked on several high-profile tunnelling projects including Melbourne’s Metro Tunnel project\, High Speed 2 and Crossrail\, covering roles from Design Lead to Delivery Director. \nElena has extensive experience in project delivery; during her career Elena has developed excellent technical and engineering knowledge\, including critical interface and integration requirements for multi-disciplinary projects. Elena is a passionate leader and able to motivate team members to achieve key goals and objectives.
URL:https://australiantunnellingsociety.com.au/ats-event/ground-challenges-in-melbournes-metro-tunnel-project/
LOCATION:Hybrid – in person and online at ARUP Melbourne\, 699 Collins Street\, Docklands\, Victoria\, 3008
CATEGORIES:Victoria
ATTACH;FMTTYPE=image/jpeg:https://australiantunnellingsociety.com.au/wp-content/uploads/2023/04/Melbourne.jpg
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DTSTART;TZID=Australia/Sydney:20230525T173000
DTEND;TZID=Australia/Sydney:20230525T190000
DTSTAMP:20260519T225316
CREATED:20230329T225844Z
LAST-MODIFIED:20230417T225622Z
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SUMMARY:ATS VIC - 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. \nDiscrete 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. \nIvan 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.You can read Ivan’s winning paper here. \nThe 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. \nEvent program\n\n5:30-6.00pm: Networking\n6-6.50pm: Presentation\n6:50-7.00pm:Q&A and closing comments\n\nAbout the speaker\n \nIvan Haryono\, MIEAust CPEng NER\nSenior Associate Geotechnical Engineer \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 and detailed design\, construction phase services\, forensic analysis and claims\, and independent review. He has worked on various Drill and 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\, and distinct element methods\, and discrete fracture network modelling.
URL:https://australiantunnellingsociety.com.au/ats-event/discrete-fracture-network-approach-for-underground-support-design-optimisation/
LOCATION:230 Kwong Lee Dow Building\, 234 Queensberry Street\, Carlton\, VIC\, 3053\, Australia
CATEGORIES:Victoria
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