Rock netting systems are a common remedial solution to safeguard against the impact of rock slope failure and progressive degradation. The aim of CIRIA's guidance (C775) is to provide a standardised ‘whole life’ approach to help asset owners develop and refine examination processes by providing details on the asset management aspects of netting systems together with detailed guidance on how to monitor and maintain systems, so that there is greater certainty on the structural integrity of new and existing rock netting systems. The design and specification of rock netting systems can be complex and requires both an understanding of the intact rock, discontinuities and rock mass as well as a practical understanding of the installed behaviour of the rock netting system to rockfall and the environment it is installed in. C775 will seek to clarify these aspects.
Slope face and near surface instabilities, particularly for linear assets, are a mounting concern to those tasked with managing critical infrastructure assets and sustaining vital local infrastructure services for customers, businesses and nearby communities. Uncertainties associated with climate change and extreme weather events mean the application of slope protection and stabilisation systems continue to be widely used while the significant geotechnical risks associated with major infrastructure projects like HS2 will push the boundaries of slope design and management practices. For these reasons CIRIA undertook a series of workshops to identify the type of good practice research that is required by industry to meet the challenges of today and tomorrow.
Delegates at this event will:
- Hear a detailed overview of CIRIA C775 Rock slope netting systems - design, installation and whole-life management
- Meet and ask questions of the author team behind the guidance
- Learn from case studies
- Find out ways of getting involved in future research on engineered and natural slopes
- Network with fellow industry professionals and peers.
13:00 Welcome and introduction
Dirk Vennix, CIRIA
Geoffrey Doherty, Gwynedd
13:15 An overview of Rock netting systems - design, installation and whole-life
Adrian Koe, Atkins, and Richard Nicholson, CAN Geotechnical Ltd
14:00 Experiences with rock netting systems
Dr Paul Mellon, Transport Scotland and Joanna Thomson, Jacobs UK
14:45 Overview of CIRIA’s engineered and natural slope research projects (RP1065)
Lee Kelly, CIRIA
15:00 The need for future industry research
- Framework for assessing natural slopes (P3161)
15:30 Interactive Q&A
Steve Parry, Parry Engineering Geological Services
- Engineering with geotextiles and geosynthetics (P3156)
Dave Woods, Jablite
15:55 Next steps
27th September 2018
12:30 - 16:00
Free for CIRIA members
£95+VAT for non-members
Queensferry Crossing Contact & Education Centre
How to get here
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The closest railway stations to the Forth bridges are North Queensferry on the Fife side of the Forth and Dalmeny (serving South Queensferry) to the south of the Forth Bridge. ScotRail services stop at these stations and take approximately 20 minutes from Edinburgh Waverley and about 15 minutes from Dunfermline Town. There are reduced services in evenings and on weekends.
Edinburgh International Airport, with regular domestic and international flights, is approximately 7 miles south of the Forth bridges.
The A90 is the route that crosses the Forth Road Bridge. From the north, follow the M90 southbound, which merges with the A90 outside Inverkeithing before continuing across the road bridge. From the south, follow the A90 out of Edinburgh or the M90 northbound, which merges with the A90 onto the Forth Road Bridge.
There are regular bus services to both North and South Queensferry from Edinburgh, Edinburgh Airport and Dunfermline. There are a number of bus services that stop at the south end of the Forth Road Bridge, South Queensferry town centre, North Queensferry town centre and/or the Ferrytoll Park and Ride just a 4-minute taxi ride from North Queensferry.
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