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Results Showing 1 - 30 of 53 results

  1. 17 September 2020 - Technical Paper

    Predicting sound levels generated by jet fan ventilation systems in tunnels

    The operation of jet fans to ventilate tunnels generates sound that propagates within the tunnels, and can be emitted to external locations, which may include noise-sensitive receptors. To achieve suitable...

  2. 24 February 2021 - Technical Paper

    Aerodynamic design of HS2 tunnels

    The aerodynamic design of HS2 tunnels has been achieved through balancing the civils design with the specification of the required aerodynamic characteristics of the rolling stock, resulting in smaller, more...

  3. 22 September 2020 - Technical Paper

    Train fire spalling risk assessment

    Structural fire protection is provided to structures where necesssary to ensure the resilience of the structure in the event of a fire. Loss of material strength at high temperature and...

  4. 15 September 2020 - Technical Paper

    Innovative passive smoke control in Copthall Tunnel

    This paper describes a ventilation concept for Copthall tunnel which allows this 600m long tunnel to be naturally ventilated to control pressures, temperatures and control smoke in the event of...

  5. 22 September 2020 - Technical Paper

    The use of remote sensing to identify habitats on a large-scale linear infrastructure project

    The majority of large-scale infrastructure projects are required to undertake an Environmental Impact Assessment (EIA). This process enables environmental specialists to identify what resources may be impacted by the proposed...

  6. 22 September 2020 - Technical Paper

    Design of shafts and tunnels to decouple the construction programme

    High Speed Two (HS2) Phase One includes the design and construction of six ventilation shafts in Lot S1 (Canterbury Works and Adelaide Road vent shafts) and in Lot S2 (South...

  7. 17 September 2020 - Technical Paper

    Chiltern Tunnel cross passage durability design – response to challenges

    The High Speed Two (HS2) Chiltern Tunnel will contain 40 cross passages (CPs), 38 of which are mined tunnels based on sprayed concrete lining (SCL) design. The Chiltern Tunnel and...

  8. 22 September 2020 - Technical Paper

    Overcoming the challenges associated with the design of noise barriers for High-Speed Railways

    Noise barriers on high-speed lines have attracted significant attention in recent years due to concerns over performance in use. Lightweight barriers have been damaged by bird strike, train aerodynamic pressures...

  9. 17 September 2020 - Technical Paper

    Managing uncertainty in ground conditions in design on a megaproject where ground investigation is highly variable

    Ground conditions present one of the major areas of uncertainty and risk for High Speed Two (HS2) Phase One and have a significant impact on project affordability. The ability to...

  10. 17 September 2020 - Technical Paper

    Rethinking inclusive public toilets for HS2: Research evaluation and design to set an exemplar standard and best practice to meet the needs of multiple user groups

    High Speed two (HS2) believes that an inclusive design approach will make the network easier for everyone to use. The design of stations and rolling stock will be based around...

    Supporting materials

  11. 17 September 2020 - Technical Paper

    Innovative ground data management

    Engineering geologists and geotechnical engineers need the right tools to efficiently investigate, analyse, model and share their geological understanding of expected ground conditions with the wider project team as and...

  12. 17 September 2020 - Technical Paper

    Minimising carbon emissions at HS2 Phase One Stations

    The High Speed Two (HS2) Sustainability Policy sets out the programme’s ambition to build the most sustainable high-speed railway of its kind in the world. The Phase One stations are...

  13. 1 September 2020 - Technical Paper

    An automated digital method for the assessment of crosswind safety for the HS2 route

    Strong crosswinds have been known to overturn trains. High-speed trains can be especially at risk because the higher the train speed, the lower the critical wind speed at which overturning...

  14. 17 September 2020 - Technical Paper

    Design optimisation and challenges with the deepest shaft on HS2

    This paper describes the design development of the deepest ventilation shaft along the C1 alignment - Chalfont St Peter Ventilation Shaft. The developed design solution was a 17.8m internal diameter,...

  15. 17 September 2020 - Technical Paper

    Designing and assuring the UK’s largest ever human remains reburial programme

    The reburial programme on HS2 Phase One is unprecedented: never has an engineering project been faced with the challenge of such numbers of buried human remains to remove, look after...

  16. 17 September 2020 - Technical Paper

    Ground Heave in Deep Cuttings: Evolution From Generic to Specific Models to Enable Refinement of a Risk Management Strategy

    The route of the UK’s High Speed Rail network traverses the hilly terrain of the south midlands of England on a low, flat, straight alignment. Creating this alignment requires the...

  17. 17 September 2020 - Technical Paper

    Colne Valley Viaduct – developing a successful specimen design

    The High Speed Two (HS2) Phase One route passes through a diverse and continuously changing British landscape. Structures along the route should be designed and constructed to respond to this...

  18. 22 September 2020 - Technical Paper

    Transformation of London clay into construction resources: Supplementary cementitious material and lightweight aggregate

    Resource efficiency, regarding waste minimisation and material re-use, is central to infrastructure construction for both environmental and financial sustainability, especially given the sheer scale of such projects. Maximising resource efficiency...

  19. 17 September 2020 - Technical Paper

    HS2 Interchange Station: An exemplar project for integrating safe by design principles

    HS2 has set strategic goals in health and safety to create a railway designed, built and operated to world class standards creating a legacy of new and better standards in...

  20. 22 September 2020 - Technical Paper

    Incorporation of digital ground investigation data and geological model into the 3D BIM environment

    Traditionally, geological interpretation is undertaken by manually annotating cross-sections, and updating them when new information becomes available. This is a time-consuming process and goes against the principles of good digital...

  21. 17 September 2020 - Technical Paper

    Establishing best practice whole-life carbon baselines for Phase One of HS2

    Reducing carbon emissions from infrastructure delivery is key to achieving national carbon emission reductions and is fundamental to addressing the global challenge of climate change. There is also a compelling...

  22. 30 November 2020 - Technical Paper

    Advances in Engineering Survey Grid Transformations for Rail Infrastructure

    This paper provides a summary of innovative approaches developed on Snake Projection coordinate transformations that maximise data interoperability and compatibility within CAD, GIS and survey software and systems. The project’s...

  23. 29 September 2021 - Technical Paper

    Implementing remote site inspections

    During the first Covid-19 lockdown starting in March 2020, construction on High Speed Two (HS2) continued. In order to enable safe working practices on site, social distancing and protection of...

  24. 17 September 2020 - Technical Paper

    HS2 Interchange Station – Innovative Roof Design: An exemplary project on Integrated Design Team collaboration and the use of advanced Digital Workflows

    The design of the roof at Interchange station embodies the HS2 Design Vision. It is both a conceptual response to its site’s rural context and a demonstration of how integrated...

  25. 17 September 2020 - Technical Paper

    Delivering a climate change resilient railway

    Resilience is core to being a good business. One of the greatest risks that businesses face is adapting to climate change. HS2 is mitigating climate change by reducing its emissions,...

  26. 7 October 2021 - Technical Paper

    Health and safety by design: managing risk on Enabling Works

    High Speed Two’s (HS2’s) aspiration is to manage health like safety. The Enabling Works South contractor approached this is by incorporating safety and health risks in a master register, coded...

  27. 12 October 2020 - Technical Paper

    Birmingham Curzon Street Station: A 21st Century Station Roof

    Birmingham Curzon Street Station is the planned new northern terminus for Phase One of High Speed Two (HS2), located in the city centre of Birmingham. The Curzon Street Station roof...

  28. 17 September 2020 - Technical Paper

    Development of the Streethay Cutting Design: From Retained to Open Cut

    Streethay Cutting is a 2.5km long cutting that lies approximately 1km to the east of Lichfield, Staffordshire. It is at the northern part of HS2 Phase One, beyond which the...

  29. 17 September 2020 - Technical Paper

    Integrated design development of the Colne Valley Viaduct

    The Colne Valley Viaduct, a 3.4km structure, will be the longest railway viaduct in the UK and has been designed to meet demanding technical, environmental and operational requirements. A key...

  30. 15 September 2020 - Technical Paper

    Minimisation of spoil to landfill from a collaborative approach to re-use on site

    The High Speed Two (HS2) affordability challenge launched in November 2018 was the springboard to new ideas to change the scheme in the West Ruislip area. The idea was named...