Plastic Pipes Conference Association papers

In this section, you will find a database of all articles presented and published by PPCA in biannual conferences organized by PPCA since 1970.

TAKING POLYETHYLENE (PE) PIPE TO NEW HEIGHTS....AND NEW DIAMETERS!

Author(s) : Norbert Jansen, Albert Lueghamer 2018 Las-Vegas

Demand for polyethylene (PE) pipe continues to grow on a global basis. The performance properties of this tough, durable piping material are widely recognized by the engineering and design community on a worldwide scale and the range of applications expands. The evolutionary trend in PE piping systems has been very...

TESTING PARAMETERS INFLUENCING THE STRAIN HARDENING MODULUS

Author(s) : E.J.W. van der Stok 2018 Las-Vegas

The effect of eleven different test parameters on the strain hardening modulus was investigated using the Design of Experiments statistical method. The changes in strain hardening modulus due to temperature, tensile drawing speed and the cooling rate after annealing were assessed. The importance of taking account of...

The Evolution of Elastomeric Joints in Plastic Pipe Systems and the use of Long Term Stress Relaxation Testing to Predict Service Life

Author(s) : Julian West 2018 Las-Vegas

Until the late 1950’s, water and sewerage pipe lines used predominantly rigid joints. These were often made from tarred rope and cement mortar. The introduction of ‘flexible’ elastomeric joints allowed angular deflection, transverse shear load and localized pipe deformation without leakage or failure of the...

THE INFLUENCE OF MOLECULAR DESIGN VARIABLES OF BIMODAL HDPE ON THE SLOW CRACK GROWTH RESISTANCE MEASURED BY ACCELERATED METHODS

Author(s) : Cliff Mure, Siddharth Athreya, Dane Chang, Rujul Mehta 2018 Las-Vegas

New generations of PE100 and PE4710 pressure pipe materials exhibit a superior balance of mechanical properties. The slow crack growth performance of these materials measured by traditional tests such as PENT and FNCT can exceed one year. Accelerated test methods, including strain hardening modulus, accelerated FNCT,...

THE TEST METHOD OF METALLIC ELEMENT FOR POLYETHYLENE PLASTIC PIPES OR MATERIALS FOR PIPES AND ITS APPLICATION

Author(s) : Xiaoying Lu, Yujie Wang, Qiang Huang, Chunyan Xu, Guangyu Zhu, Aimin Xiang, Linmei Wu, Yanfang Wang 2018 Las-Vegas

The determination method of metal elements for polyethylene pipes was reported in this paper, the difference in metal elements content between raw materials and recycled materials was analyzed. The results showed that raw and recycled materials in polyethylene pipes were effectively distinguished via metal element...

THE USE OF TEMPERATURE, LUBRICATION, AND SUPPLIED HYDRAULIC PRESSURE IN THE PRODUCTION OF ORIENTED PVC PIPE

Author(s) : Jie Feng, Michael Petr, Jeff Wenzel, Mark Mirgon, Sam Crabtree, Alan Nakatani 2018 Las-Vegas

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...

THE WORLD'S FIRST CLASS 3 SAFETY RELATED NUCLEAR PE4710 PIPING PROJECT – 10 YEAR REVIEW

Author(s) : Lonnie Corley, Dane Chang, Harvey Svetlik, Matt Brandes, Thomas Musto, Frank Schaaf, David Fink 2018 Las-Vegas

This paper presents a brief overview of a challenging project at the Callaway Nuclear Power Plant where HDPE was utilized to replace degraded steel buried piping in a Safety Related water system. Callaway was the first Nuclear Power plant to obtain NRC approval and successfully place the HDPE piping system into...

TRENCHLESS ADVANCEMENTS IN HDD WITH FUSED PVC

Author(s) : T. R. Marti 2018 Las-Vegas

Horizontal Directional Drilling, or HDD, is now a common technique for installation of PVC pipe. This was not always the case. The fused PVC use in HDD has grown from an initial installation of 500’ (150M) in 2004 to installation lengths over 7000’ (2.14 KM) today. Advancements in connection properties taking into...

UNIMODAL MDPE (PE 2708/PE 80) PIPE MATERIALS SIGNIFICANTLY IMPROVE ABRASION RESISTANCE IN SLURRY FLOW APPLICATIONS

Author(s) : Ashish M. Sukhadia, Wes Long 2018 Las-Vegas

Polyethylene (PE) pipe is a frequent choice for transporting slurry solutions. It has proven to have superior wear resistance than other pipe materials. For example, when carrying fine grain slurries, polyethylene pipe has been shown in laboratory tests to be three to five times more wear resistant than steel pipes....

UPDATE ON PVC STABILIZATION AND LUBRICATION FOR PIPES- GLOBAL TRENDS AND THEIR IMPLICATIONS ON RECIPE DESIGN

Author(s) : Dane Tallen 2018 Las-Vegas

Update on paper given at last Plastics Pipes conference. An update on market trends in PVC stabilizer design, global PVC pipe market development and implications for lubrication package design. PVC is a well-established material used worldwide for different applications such as window profiles, technical profiles,...

USE OF RISK BASED “FIT FOR PURPOSE” DESIGN FOR SAFE AND STRUCTURALLY RELIABLE PE PRESSURE PIPE LINES

Author(s) : Predrag Micic 2018 Las-Vegas

The Polyethylene (PE) pipeline business is constantly experiencing change. In the not too distant past, lower performance materials and a lack of understanding of major risks to pipeline structural and operation integrity meant that we needed standards that ensured a good quality pipe, careful installation and a...

VARIABILITY AND QUALITY CONTROL FOR PRODUCTION OF CORRUGATED HDPE PIPE MANUFACTURED WITH RECYCLED CONTENT

Author(s) : Crista K. McNish, Joe Babcanec, Rachel M. Thurston, Zacharias Obermeyer 2018 Las-Vegas

This paper presents findings from extensive testing performed on various recycled HDPE resins at different stages of processing to evaluate: (1) the variability expected from a source resin (e.g. post-consumer materials from bulk recycling, post-industrial waste stream), (2) variability when blending different types...

VARIOUS APPROACHES TO THE IMPROVEMENT OF POLYETHYLENE PIPING CONSTRUCTION QUALITY IN OSAKA GAS (2018)

Author(s) : Katsutaka Nakagami, Takahiro Kasatani 2018 Las-Vegas

Osaka Gas improves various approaches to the improvement of polyethylene piping construction quality and executes the approaches. As a result of that, polyethylene pipes in Osaka Gas maintain high-quality and withstand the earthquakes. This paper shows these methods and performance against earthquakes in Japan. In...

WITH PE-RT (POLYETHYLENE OF RAISED TEMPERATURE RESISTANCE) NEW APPLICATIONS IN DEMANDING OIL&GAS APPLICATIONS CAN BE REALIZED

Author(s) : Alex Stolarz 2018 Las-Vegas

THE PE-RT TECHNOLOGY HAS EVOLVED SINCE IT HAS BEEN FIRST INVENTED AND INTRODUCED TO THE MARKET IN 1982. AN ESTABLISHED TECHNOLOGY FOR HOT AND COLD WATER PIPES USED IN DOMESTIC APPLICATIONS HAS POSITIONED ITSELF WELL WITHIN OTHER MATERIALS DUE TO THE COST EFFICIENT PROCESSING, HANDLING AND PRODUCTION OF PIPES. RECENT...

21 YEARS OF PIPELINE TRAINING – THE LESSONS LEARNT

Author(s) : Robert LeHunt 2016 Berlin

Nationally moderated and approved competency training Units and Qualifications have been established in Australia for plastics pipes within an overall Plastics Industry Training Package. Delivery of such Units over a 21 year period has contributed to a greater understanding of various plastics pipes materials,...

A COMBINATION OF ACCELERATED TEST METHODS TO EVALUATE NEW GENERATION RESINS FOR DISINFECTANT- RESISTANT POLYETHYLENE PIPES

Author(s) : Francis Reny Costa, Anh Tuan Tran, Jeroen Oderkerk, Thomas Hjertberg, Christophe Salles, Ulf W. Gedde, Benjamin Rabaud, Flavia Zraick 2016 Berlin

The premature failure of polyethylene pipes in contact with high chlorine and chlorine dioxide, used as residual disinfectants in drinking water distribution, remains an area of concern for water companies particularly in regions where temperatures are regularly or seasonally high. Multiple factors can amplify the...

A New High Temperature Pressure Rated HDPE Pipe Resin Expands the Capability of Polyethylene Pipe

Author(s) : Dane Chang, Carl Baker 2016 Berlin

Due to its flexibility, toughness, and good resistance to corrosion and abrasion, polyethylene pressure pipe has been widely used for several decades in a variety of applications, including gas and water distribution, oil and gas gathering, and many industrial pipe segments. A significant limitation for polyethylene...

A NOVEL CYCLONE SINGLE STACK SYSTEM FOR BUILDING DRAINAGE

Author(s) : Chen Jianchun, Liu Luliang 2016 Berlin

3S (Strengthen Single System) cyclone single stack system is a new product for building drainage, which has the advantages of saving materials, large drainage quantity, low drainage noise, etc. In this system, the guide structure, swirl angle, volume structureand the height of spiral reinforcement are optimized...

A NOVEL PROCEDURE FOR CHARACTERIZING FATIGUE CRACK GROWTH IN CRB SPECIMENS VIA AN OPTICAL TECHNIQUE

Author(s) : Joerg Fischer, Paul J. Freudenthaler, Patrick R. Bradler, Reinhold W. Lang 2016 Berlin

Cyclic tests with cracked round bar (CRB) specimens have been used for some time to characterize the slow crack growth behavior of polyolefin pipe grade materials. In fact, most recently a standardized test procedure for cyclic CRB testing has been released in ISO 18489. To obtain kinetic data for cyclic crack growth...

A PROPOSED PROCEDURE FOR PVC PIPE TEMPERATURE DE-RATING IN NORTH AMERICA

Author(s) : Steven Folkman, Ron Bishop 2016 Berlin

There are guidelines in AWWA standards for de-rating a PVC pipe’s pressure class if the operating temperature exceeds 23°C. These de-rating factors are appropriate for a system operated at a constant elevated temperature. In the warm desert climates in the USA it is common for the water mains to exceed room...



Members of the Association

BOREALISBOROUGEINEOS O&PIRPCKorea Petrochemical IND. Co., LTDLyondellBasellPetroChina Dushanzi Petrochemical CompanyPRIME POLYMERSABICSCG Chemicals & Thai PolyethyleneSinopecTASNEE
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