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Innovation


Digital Gauging

Gauging is about calculating the space that exists around trains and between trains and the infrastructure. Today's gauging challenge is in accommodating overhead electrification, modern containerised freight wagons, soft high capacity passenger vehicles and fast tilting trains on a network that was built 200 years ago. 25 years on from developing the first computerised tools, Dr David Johnson, Technical Director of DGauge evaluates recent developments in gauging and explains his concept of Digital Gauging which is now being applied to a range of gauging problems.
Author: David Johnson (DGauge), Modern Railways

PanSpace

DGauge have teamed up with RSSB, Network Rail, 42Technology and Furrer+Frey to partake in 1 of 4 projects in the "Avoidance of Bridge Reconstruction Programme". The objective of this project is to answer the question what are the chances? The project will undertake a series of data capture exercises to correlate clearance measurements (between pantograph and structure as it passes) against simulated clearance distributions. The objective is to provide confidence and a methodology of how to apply this approach to real project work.
Author: Lewis Burden (DGauge)

Double Deck Dilemma

The south western route into London Waterloo is one of the UK's busiest railways. Growth is predicted to continue and the Network Rail and South West Trains Wessex Alliance is battling to cope with increasing passenger numbers. Just before Christmas the alliance released its draft route study for the Wessex area. One suggestion to help meet future capacity needs was the use of double deck trains on peak hour services between Waterloo, Basingstoke and Southampton. Indeed, this is not the first time such a solution has been put forward, but why has no progress ever been made with the idea? Dr David Johnson asks whether they can present a practical solution to providing more capacity.
Author: David Johnson (DGauge), Modern Railways

Movement vs Clearance

Gauge Clearance is provided between trains and infrastructure to account for 'unknowns' in gauging calculations as a safety margin. Over a number of years, as gauging methods have improved, clearance has been reduced to the present requirements stated in GC/RT5212. The purpose of the analysis is to test the theory that the clearance required to accommodate the peak movements of passenger vehicles is greater than that required to accommodate the peak movements of freight vehicles, and thus indicate whether this difference may be used to reduce the amount of clearance required by freight vehicles.
Author: David Johnson (DGauge)

Download Studies


Download PDF Digital-Gauging-The-Future-Railway.pdf

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Download PDF What-are-the-chances-panspace.pdf

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Download PDF Double-Deck-Dilemma.pdf

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Download PDF Movement-vs-Clearance.pdf

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