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Performance Of Buried HDPE Pipes – Part II: Total Deflection Of The Pipe

Zhou1F. Wang2Y. J. Du3 M. D. Liu4 PhD Candidate Associate Professor Professor and Director Senior Lecturer Total deflection of buried thermoplastic pipes is extensively studied in previous work as it is a service limit state specified in design standards. In this paper, two-dimensional finite-element modeling is conducted to investigate the total deflection of buried high-density polyethylene (HDPE) pipes with a […]

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Performance Of Buried HDPE Pipes- Part 1 : Peaking Deflection During Initial Backfilling Process

Zhou1 Y. J. Du2 F. Wang3 M. D. Liu4 PhD Candidate Professor and Director Associate Professor Senior Lecturer Peaking deflection caused by compacting the sidefill, referred to as the maximum change of the pipe diameter divided by the undeformed diameter, is an important parameter in the design and safety check of buried pipelines. However, quantitative equations on the deflection useful for engineering […]

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Durability of Polyethylene Geopipes for Landfill Applications After Several Years in Service

Durability of polyethylene geopipes for landfill applications after several years in service Helmut Zanzinger, Kurt Engelsing & Sebastian Hausmann SKZ – German Plastics Center, Würzburg, Germany Geosynthetics (GSY) and geopipes (GPI) used for landfill applications should have a guaranteed service life of at least 100 years according to the up-to-date landfill directive in Germany. Bearing […]

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Case study – Clogging of a geotextile/geopipe system in a landfill drainage application.

Fleming, I.R. & Barone, F.S. & Dewaele, Paul. (2010). 9th International Conference on Geosynthetics – Geosynthetics: Advanced Solutions for a Challenging World, ICG 2010. 1127-1130. In 2004, a drainage system was installed near the toe of a municipal landfill serving the city of Barrie, Ontario. The drainage system consists of 300 mm diameter perforated HDPE […]

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HDPE-Geopipes, Soil-Structure Interaction

Zanzinger LGA, Geotechnical Institute, Nuremberg, Germany Gartung LGA, Geotechnical Institute, Nuremberg, Germany Perforated geopipes are part of the leachate collection system at the base of solid waste landfills. Their structural performance depends on the embedment which is formed by a compacted clay layer, a geomembrane and a sand-bentonite cushion below and coarse gravel above the […]

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Testing methods : Strength and resistance

Creep rupture strength – Internal pressure test Constant internal pressure at constant temperature The internal pressure test is standardised in ISO 1167 and EN 921 “Thermoplastic pipes for the conveyance of fluids – Resistance to internal pressure – Test method”. The test specifies a method for determination of the resistance to constant internal pressure at […]

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The Impact of Heavy Hydrocarbon Permeation on PE Pipe

Karen Crippen, Ernest Lever Papers # 2014 Chicago DOT/PHMSA held a Government/Industry Pipeline R&D Forum on July 18-19, 2012. Five working groups met to discuss key pipeline technical challenges facing industry and government. The Design/Materials/Welding-Joining & Valves working group identified the effects of hydrocarbon permeation on plastic pipe strength and fusion performance as a gap […]

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Investigation of The Failure Behavior of Polyethylene Electrofusion Sockets

Isabelle J. Berger, Andreas Frank, Gerald Pinter, David Nitsche, Dirk Petry Papers # 2018 Las-Vegas Electrofusion (EF) sockets constitute a well-established and practically proven technology for the joining of polyethylene (PE) pressure pipes. As for the pipes, the potential lifetime of such welding connections is beside other properties also depending on the resistance against slow […]

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Less is more: polypropylene materials for sewerage & drainage pipes with reduced energy and carbon footprints

Papers # 2016 Berlin The environmental impact in terms of global warming potentials (GWP) and nonrenewable energy demand (NRED) of sewerage & drainage pipes based on PP-MD, PP-HM, PP-B, and concrete has been assessed using life cycle analysis methodology. It can be concluded that PP-MD and PP-HM materials are able to significantly lower both GWP […]

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    PT SHUANGLIN PIPE INDONESIA is a joint venture subsidiary of Zhejiang Shuanglin Environment Co., Ltd. Our factory is located in CIKARANG, Indonesia. The plant covers an area of 4,000 square meters. Our company has introduced advanced production line and a professional production management team. The company mainly produces municipal and residential building water supply and drainage, sewage pipes and complete sets of systems. The product line includes HDPE/PP double-wall corrugated pipe and inspection wells for pipeline connection and other accessories.

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