2018 Las-Vegas : Design and qualification of PA-PERT pipe for oil and gas transportation
Author(s) : Liang Yu, Akshay Ponda, Dane Chang
Following the development of US shale oil and gas production since 2007, the demand for thermoplastic pipes with better corrosion resistance, and lower installation and operation cost than carbon steel pipe, has been growing significantly. Nylon 12 has been qualified for hydrocarbon transportation in offshore flexible...
2018 Las-Vegas : Preparation and studying of thermoplastic cross-linked polyethylene
Author(s) : Cheng Zhi, Mingyuan Hu, Kaige Duan, Chaoxi Zhou, Dongming Yu
The PE properties are obviously improved by crosslinking modified to TPEX, which can approach to that of PEX, while still remaining thermoplastic. It can be processed by the common forming method of thermoplastic; the products can be hot-melted and the scrap can be processed to be reused. The two-layer structure...
2018 Las-Vegas : 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
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...
2016 Berlin : Underground engineering stress analysis of plastic inspection chambers
Author(s) : Zhang Wei, Wei Ruoqi, Zhou Minghong, Zhou Mingwei,
This article gives a brief introduction of plastic inspection chambers underground test, analyzes the stress borne by plastic inspection chambers from different angles combined with pressure sensors and strain gauges, sorts out some of the underground test data and analyzes the test data, and finally sums up the...
2014 Chicago : Essential Variables of Heat Fusion Joining of Polyethylene Pipe
Author(s) : Dr. Z. Jimmy Zhou, Jim Johnston
Heat fusion joining method has been widely used for thermoplastic piping materials such as polyethylene to form the “one-material” pipeline system. No additional 3rd party materials such as an adhesive are needed. The fusion procedures to ensure the quality of the joints could be different for different materials and...
2014 Chicago : Study on Structural Integrity of Plastic Inspection Chambers
Author(s) : Zhang Wei, Wei Ruoqi, Zhou Minghong, Zhou Mingwei, Lin Baoshu, Xiao Lingli
The plastic inspection chamber is one of the rapidly developing products in the field of drainage in China for the past few years. At present, plastic inspection chamber is mainly made of PP, PE, PVC and so on. The manufacturing technologies include injection molding, rotational molding, mechanical assembly and...
2012 Barcelona : Ligament Stress Regression of Notched PE100/PE4710 Pipe
Author(s) : Z. Jimmy Zhou
(Keywords : Polyethylene pipe, ligament stress, regression, notch depth, lifetime.)
Hydrostatic test was conducted on notched PE100/PE4710 black pipe specimens at
various temperatures and stresses. Hoop stresses were normalized to ligament
stresses by taking into consideration of the effect of wall thickness reduction...
2012 Barcelona : The application of plastic inspection chamber for drainage in China
Author(s) : Zhou Minhong
As the key component of underground piping network for drainage, plastic inspection
chambers have many major advantages and are also being applied more and more
widely instead of traditional brick-built ones. Users become familiar with this new
technique gradually. However there are two major problems which have...
2008 Budapest : Advanced Bimodal MDPE for Piping Applications
Author(s) : Michie, Chang, Whited
The first NA produced bimodal MDPE pipe resin
developed through unique molecular architecture
offers significantly better resistance to slow crack
growth and rapid crack propagation than
traditional unimodal PE2708 / PE2406 products.
This high performance resin extrudes well on
conventional equipment, has good melt...
2008 Budapest : Study on the Consumption of Polyethylene Pipe Materials In China
Author(s) : Dongmei Zhe, Ruoqi Wei, Chang Liu, Ye Hua, Yu-e Li
The statistic data of the consumption of polyethylene pipe materials in China has been shown in this
paper. The developing trend of polyethylene pipe materials in the following 5 to 10 years in China has been studied and
the predicting data of the consumption of polyethylene pipe materials in China has been shown in...
2008 Budapest : The next gas Fronteer
Author(s) : Zhou Minhong
The advanced bimodal PE4710 materials enable its applications in large diameter gas pipe to
replace cast iron and steel pipe. Among the three key field performances, the pressure rating is
independent of pipe diameters. However, the SCG and RCP properties are dependent of pipe
diameters. As pipe diameters increases,...