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- W658686595 abstract "Effective management of earthworks on transport infrastructure networks requires knowledge of their number, location and of the risk posed to the infrastructure and users. Network Rail (formerly Railtrack) has been working to improve pro-active management of earthworks on the rail network. As part of these improvements Network Rail, WA Fairhurst and Partners and Babtie entered into a joint venture to develop an improved risk based approach to managing rock slopes - the Rail Rock Slope Risk Appraisal (RRSRA). The general approach adopted in development of this system is based on the logic of the TRL Rock Slope Hazard index and Quarry Rock Slope Hazard. The RRSRA is based on rapid field surveys that record essential data on geotechnical conditions of the rock, rock slope geometry and track alignment and exposure to hazard. These data are then used to derive parameter values that are in turn used to calculate the RRSRA value via a standard calculation path based upon event tree risk assessment logic. This RRSRA value is used to determine the condition status of the rock slope as serviceable, marginal or poor. These condition assessments are then used in prioritising further action and repeat monitoring surveys. The system has been used in a trial implementation in the North West Region where it has been used to survey all rock slopes in the region (approx. 1800). This paper describes the basic principles behind the approach employed in the RRSRA and reports the preliminary findings of the North West Region trial. For the covering abstract see ITRD E123761." @default.
- W658686595 created "2016-06-24" @default.
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- W658686595 date "2003-01-01" @default.
- W658686595 modified "2023-09-23" @default.
- W658686595 title "RAIL ROCK SLOPE RISK APPRAISAL" @default.
- W658686595 hasPublicationYear "2003" @default.
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