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Title Document type Published Publisher
Guidance on the Design, Assessment and Strengthening of Masonry Parapets on Highway

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Masonry parapets are designed to provide protection for road users. This guidance document is designed to bring up to date previous advice on the design, assessment and strengthening of masonry parapets, drawing together guidance previously available in BS 6779:1999 Part 4 and in research papers, and bringing the terminology used in line with that used in BS EN 1317-2:1998 and BS EN 1996-1-1:2005

General Information 03/09/12 UK Roads Liaison Group Add icon
Management of Highway Structures Complementary Guidance

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Management of Highway Structures: A Code of Practice was published in September 2005. Since then Government Policy in respect to highway and structures management has developed and evolved in a number of areas, including the introduction of new statutory duties on highways authorities. There have also been developments/advances with regard to recognised good practice. To assist users of the Code, the Roads Liaison Group has prepared this complementary guidance which takes account of these changes and developments. Where appropriate, the complementary guidance provides details of where to find up-to-date information that can assist with the implementation of the good practice set out in the Code. Users of the Code should treat this complementary guidance as up-to-date and having the same status as the Code. Where paragraphs have been amended, they supersede the ones in the Code.

Primary Doc. 27/05/11 UK Roads Liaison Group Add icon
Manual on scour at bridges and other hydraulic structures

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Structures built in or near rivers and other channels can be vulnerable to scour around their foundations. If the depth of the scour becomes significant, the stability of the foundations may be endangered, with a consequent risk of damage or failure of the structure. In the past 15 years, there have been several bridge failures, resulting in transport disruption, economic loss and, on occasion, loss of life. Some of these failures are included in the manual’s summary case studies. The factors influencing scour are complex and vary according to the type of structure. Protection works for preventing scour need to be designed to withstand the flow forces imposed on them and have to be practicable to build and install, while minimising adverse environmental effects. The manual therefore considers scour processes, estimating and assessing scour, protective measures, monitoring, environmental factors, risk assessments, and cost and benefit analyses. This manual is intended for engineers engaged in the design, construction, operation and maintenance of structures in the water environment that may be subject to scour of erodible beds or banks. It is equally relevant to UK and worldwide scour problems, and to new as well as existing structures.

Secondary Doc. 01/05/02 CIRIA Add icon
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