Additional Information - Posters
Plastic Pipes Conference Association # 1998 Gothenburg
Muckle, Wood, Reed
Developed to address the practical problems experienced on site with the preparation of the surface of polyethylene (PE) pipes for electrofusion jointing, skinned PE pipe also offers the secondary benefit of general pipe protection against gouging and other forms of abrasion damage. This paper discilsses the concept of skinned PE pipe and how it offers non scrape electrofusion jointing. The impact on the approvals route for the product is discussed as well. Rounding off the paper is a brief review of the first significant scheme of works to be undertaken using the product.
Related papers
Author(s) : Derek Muckle
A technical program has been undertaken to provide evidence on the suitability of polyethylene pipe and fitting systems for the distribution of hydrogen fuel gas. The underlying principle has been to evaluate material in the form of a pipe and to consider the performance of the pipe and of the welded jointing systems...
Author(s) : Ian Aldridge, Declan Robinson, Dave Smart, Chris Reed, Martyn, Greig, Trevor Stafford, David Christie-Lowe, Alec Erskine
For the UK polyethylene (PE) gas pipe network, the first installations now exceed 40 years in the ground, with an original design life of 50 years. It was thus timely to review the current condition and performance history of these first generation PE materials. A major 4 year project was started in 2010 to examine...
Author(s) : Derek Muckle
It has long been the case that plastic pipes have been subject of folding operations in a factory and then supplied to site for use in pipeline renovation applications. The same cannot be said for pipes subject to diameter reduction as they have, as a principle, relied on being diameter reduced at site in a forming...
Author(s) : Derek Muckle
Polyethylene pipe is being routinely used for the close fit lining of large diameter water trunk mains, with the twin objectives of improving water quality and reducing losses due to leakage. Trunk mains serve large urban areas and by definition are large diameter pipes; examples of real lining schemes in the past 12...
Author(s) : Derek Muckle
Polyethylene pipes are widely used across the utilities sector for the safe, reliable, transportation of gas or water under pressure. The success of the material in being adopted is partly due to the ability to treat it as an engineering polymer whose properties and failure modes are well understood, predictable, and...
Author(s) : Wood, Richards, Street, Muckle, Bowman
For the movement of fuel gas and water, plastics pipes are dominant in many markets, and this success has been based on single material solid wall pipes. There are now an expanding number of multi-layered plastics pipes, and described here for the first time is the performance of the second-generation of skinned pipe...
Author(s) : Muckle
In 1999 the Health & Safety Executive agreed to the introduction of a new risk based methodology to be used for prioritising iron mains replacement. The introduction of this methodology combined with the results of major incident investigations has led the Health & Safety Executive to conclude that the potential risk...
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A three way partnership has resulted in the development of a new solution to the refurbishment of old iron and steel gas service pipes. The solution which has been developed allows a flexible polyethylene replacement pipe to be inserted into the old pipe system. This avoids the need for the costly excavations or...
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A computer program for the prediction and optimisation of process parameters for the butt fusion welding of polymer pipes is described. At the core of the program a mathematical model predicts bead size, melt layer thickness,pipe displacement and temperature : time history during each stage of the process for...
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The erosion of pipe materials in slurry flow streams occurs through a variety of wear processes. As a result, the comparative wear resistance of materials is extremely difficult to predict from a knowledge of basic physical and engineering properties. Design and selection criteria must hence be based on empirical...
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