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Details of Grant 

EPSRC Reference: EP/K021699/1
Title: ASSESSING THE UNDERWORLD - AN INTEGRATED PERFORMANCE MODEL OF CITY INFRASTRUCTURES
Principal Investigator: Rogers, Professor CDF
Other Investigators:
Lewin, Professor P Dwyer-Joyce, Professor R Jefferson, Dr I
Clarke, Professor BG Boxall, Professor J Glendinning, Professor S
Pennock, Dr S Atkins, Mr P Dodd, Dr TJ
Cohn, Professor AG Swingler, Professor S Magee, Dr D
Gunn, Dr DA Anderson, Dr SR Metje, Dr N
Chapman, Dr D N Hughes, Dr PN Collins, Dr R
Rustighi, Dr E Royal, Dr ACD Reeves, Dr HJ
Researcher Co-Investigators:
Dr J Muggleton
Project Partners:
American Society of Civil Engineers ASCE AMEY ATI Projects Ltd
Balfour Beatty Plc Bristol Water Plc Cardno TBE
CH2M HILL CH2M Hill (Halcrow) Colorado School of Mines
Corporation of the City of London, ON Costain DSTL
Energy and Utilities Alliance Exova Globe Performance Solutions
Hydrosave UK Limited IDS Ingegneria Dei Sistemi S.p.A, Infotec Consulting
Institution of Civil Engineers J Murphy & Sons Limited Keller Ltd
Leica Geosystems Louisiana Tech University Macleod Simmonds Ltd
Morrison Utility Services MWH UK Ltd National Grid
National Underground Assets Group Ltd Network Rail Ordnance Survey
OSYS technology limited Peter Brett Associates Pipehawk plc
Pipeline Industries Guild Primayer Ltd Radiodetection Ltd
Robosynthesis Limited RSK Group plc Sao Paulo State University UNESP
SBWWI Site Vision Surveys Ltd Skanska
Stratascan Ltd Subscan Technology T2 Utility Engineers Inc
Technology Strategy Board (TSB) UK Society for Trenchless Technology UK Water Industry Research Ltd
Underground Imaging Technologies UIT United Utilities University of Auckland
University of Wollongong URS Corporation US National Academy of Sciences
UTSI Electronics Ltd Watershed Associates Yorkshire Water
Department: Civil Engineering
Organisation: University of Birmingham
Scheme: Standard Research
Starts: 01 June 2013 Ends: 31 May 2017 Value (£): 5,782,838
EPSRC Research Topic Classifications:
Ground Engineering Instrumentation Eng. & Dev.
Urban & Land Management
EPSRC Industrial Sector Classifications:
Construction
Related Grants:
Panel History:
Panel DatePanel NameOutcome
21 Feb 2013 Programme Grant Interviews - 21 & 22 February 2013 (Engineering) Announced
Summary on Grant Application Form
The surface urban transport infrastructures - our roads, cycle ways, pedestrian areas, tramways and railways - are supported by the ground, and hence the properties of the ground must control to a significant degree their structural performance. The utility services infrastructure - the pipes and cables that deliver utility services to our homes and which supports urban living - is usually buried beneath our urban streets, that is it lies below the surface transport infrastructure (usually roads and paved pedestrian areas). It follows that streetworks to install, replace, repair or maintain these utility service pipes or cables using traditional trench excavations will disrupt traffic and people movement, and will often significantly damage the surface transport infrastructure and the ground on which it bears.

It is clear, therefore, that the ground and physical (i.e. utility service and surface transport) infrastructures exist according to a symbiotic relationship: intervene physically in one, and the others are almost inevitably affected in some way, either immediately or in the future. Moreover the physical condition of the pipes and cables, of the ground and of the overlying road structure, is consequently of crucial importance in determining the nature and severity of the impacts that streetworks cause. Assessing the Underworld (ATU) aims to use geophysical sensors deployed both on the surface and inside water pipes to determine remotely (that is, without excavation) the condition of these urban assets.

ATU builds on the highly successful Mapping the Underworld (MTU) project funded by EPSRC's first IDEAS Factory (or sandpit) and supported by many industry partners. The MTU sandpit brought together a team that has grown to be acknowledged as international leaders in this field. ATU introduces leaders in climate change, infrastructure policy, engineering sustainability and pipeline systems to the MTU team to take the research into a new sphere of influence as part of a 25-year vision to make streetworks more sustainable.

ATU proposes to develop the geophysical sensors created in MTU to look for different targets: indications that the buried pipes and cables are showing signs of degradation or failure, indications that the road structure is showing signs of degradation (e.g. cracking, delamination or wetting) and indications that the ground has properties different to unaltered ground (e.g. wetted or eroded by leaking pipes, loosened by local trench excavations, wetted by water ingress through cracked road structures). For example, a deteriorated (fractured, laterally displaced, corroded or holed) pipe will give a different response to the geophysical sensors than a pristine pipe, while wetting of the adjacent soil or voids created by local erosion due to leakage from a water-bearing pipe will result in a different ground response to unaltered natural soil or fill. Similarly a deteriorated road (with vertical cracks, or with a wetted foundation) will give a different response to intact, coherent bound layers sitting on a properly drained foundation.

Taking the information provided by the geophysical sensors and combining it with records for the pipes, cables and roads, and introducing deterioration models for these physical infrastructures knowing their age and recorded condition (where this information is available), will allow a means of predicting how they will react if a trench is dug in a particular road. In some cases alternative construction techniques could avert serious damage (e.g. water pipe bursts, road structural failure requiring complete reconstruction) or injury (gas pipe busts). Making this information available will be achieved by creating a Decision Support System for streetworks engineers. Finally, the full impacts to the economy, society and environment of streetworks will be modelled in a sustainability assessment framework so that the wider impacts of the works are made clear.
Key Findings
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Potential use in non-academic contexts
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Impacts
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Organisation Website: http://www.bham.ac.uk