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2018 Las-Vegas : Extrusion of thick wall pipes using a new bimodal PE 4710/PE 100 resinAuthor(s) : Vivek Rohatg, Gregor Hiesgen, Mark J. Lamborn, Ashish M. Sukhadia, Douglas E. Simpson, David W. Borrego, Pamela L. Maeger
Maintaining dimensions within specifications is problematic for the extrusion of large diameter thick-wall polyethylene (PE) pipe (> 75 mm wall) due to sag caused by insufficient resin melt strength. However, sag can be controlled through careful resin selection and optimization of the pipe cooling process. This paper...
2018 Las-Vegas : Innovative design of the atlanta braves baseball fieldAuthor(s) : Jim Goddard, Issam Khoury, Mark Heinlein
The Atlanta Braves Major League Baseball team built a new stadium north of Atlanta, Georgia. The field drainage design required the removal of 75mm (3 inches) of rainfall an hour and a system for warming or cooling the field using air blown through the drainage system and field profile using heat from pipe buried...
2018 Las-Vegas : PE100-RC in large diameter sea outfall applicationsAuthor(s) : Mark Yu, Dongyu Fang, Peck Tze Kang, Amos Tay , Fan Liu
Large diameter pipe was introduced in refineries and petrochemical plant, desalination plant and power plant for water intake and sea out fall in the past decade. PE100-RC material was selectedfor its excellent balance of superior bi-modal stress crack resistance and consistent high stiffness modulus.
Under the...
2018 Las-Vegas : The use of temperature, lubrication, and supplied hydraulic pressure in the production of oriented PVC pipeAuthor(s) : Jie Feng, Michael Petr, Jeff Wenzel, Mark Mirgon, Sam Crabtree, Alan Nakatani
Through tensile tests, simulated orientation, tribology, and finite element analysis, this study explored the effect of temperature, lubrication and applied hydraulic pressure in the PVC orientation process. It was demonstrated that tight control of these parameters is critical in a continuous PVC orientation process...
2016 Berlin : Big data, big differenceAuthor(s) : Nick Mark, Eric Bridgstock, David Carey
An insight into a unique approach to the management of electrofusion and butt fusion joint quality on polyethylene pipelines. The presentation will reference experience and learnings from a system that has already been used in the field to great effect (see Abstract) and a new approach to butt fusion (see enclosed...
2014 Chicago : Plough-in of Large Diameter Polyethylene PipesAuthor(s) : Alan Whittle, Jim Campbell
The coal seam gas industry in Australia is currently undergoing a major expansion with over 50,000 km or 30,000 mile of PE100 pipes to be installed in diameters ranging from DN110 to DN710. The pipes are being used to carry produced water, gas and treated water. The considerable quantity of pipe to be installed in...
2014 Chicago : The Effects of Dual Cooling on the Rapid Crack Propagation Performance of Polyethylene PipesAuthor(s) : Mark J. Lamborn, Pam L. Maeger, Rick E. Kunc, Vivek Rohatgi, Paul J. DesLauriers, Ashish M. Sukhadia
Dual cooling is a post-extrusion cool down process employed for polyethylene (PE) pipe, whereby either water or ambient air is forced through the pipe bore following extrusion, in order to accelerate cooling. The primary benefits offered by the dual cooling process are increased production rates and reduced resin...
2012 Barcelona : PE100 Pipeline Systems In The Coal Seam Gas IndustryAuthor(s) : Heathcote Mark
Key Words : PE100, Coal Seam Gas, Water
The coal seam gas projects in Australia are undergoing a massive expansion, with
greatly increased gas production for both domestic and export markets. Total
investment is expected to be in excess of AUD $30b. PE100 has been selected as
the material of choice for the gas...
2012 Barcelona : Performance and sustainability advantages of PVC sewer pipes in australiaAuthor(s) : Alan Whittle, Nigel Jones and Mark Heathcote
PVC has been used successfully for sewer and sanitary drainage pipes in Australia
for over 40 years. It is the predominant material for these applications. The reason
for this success is the superior, all round performance of PVC piping systems
compared to the various alternatives. Equally important has been the...
2012 Barcelona : Water loss management in the USAuthor(s) : Camille George Rubeiz
In the U.S., 38 billion gallons of water are treated every day for domestic and public
use, but 2.5 billion gallons of this treated water is lost because of leaks from
corroded or damaged potable water piping system. According to the American
Water Works Association, leaks in main water lines can reach up to 1,000...
2010 Vancouver : Performance of Pipes during EarthquakesAuthor(s) : Camille George Rubeiz
This paper summarizes the performance of water and gas piping systems during six
earthquakes in the US, Japan, Thailand and Columbia. Also, the paper will present data from
the UK and Sweden about the performance of pipes in non-earthquake environments. The
paper will assist design engineers and owners in selecting...
2004 Milan : Predicting the Residual Life of PVC Sewer PipesAuthor(s) : Whittle, Tennakoon
Ipswich Water commenced reviewing the service lives of different pipe materials in its
gravity sewer system. Unlike other pipe materials, PVC sewers did not have failure histories,
or deterioration revealed in CCTV inspections, even after 25 years of service. Therefore
establishing a realistic predicted life was not...