November 29, 2022

by admin in Uncategorized

CHALLENGING THE 10% WALL THICKNESS RULE FOR HDPE MARINE PIPELINES

Ilija Radeljic, Ebbe Smith # 2021 Amsterdam HDPE pipe can be relatively easily scratched during the manipulation on the site, which is especially true for the marine pipelines. Installing the scratched marine pipe with the S bend method presents a risk and repair methods are usually performed. Currently, there is no standard defining the repair procedure, […]

November 16, 2022

by admin in Uncategorized

Comparison Between Stress Rupture Test and Hot Water Circulation Test Considering actual operating condition of PE Pipes For Hot Water Application

Takehiro Fujii, Kazuhisa Igawa, Hidekazu Honma, Kazushi Yamada, Hiroyuki Nishimura Papers # 2016 Berlin The hydrostatic stress rupture test has been conventionally conducted as a good method of the lifetime evaluation. The hot water circulation test which is reflected to the actual operating condition is also useful method. The correlations and differences between the two […]

Oktober 17, 2022

by admin in Industry News, Uncategorized

FRACTURE MECHANICS TECHNIQUES IN LARGE DIAMETER PVC PIPES

Antonio Rodolfo Jr., Vanderley M. John # 2021 Amsterdam Unplasticised (U-PVC) and modified (M-PVC) pipes used in irrigation and infrastructure applications, outside diameter 326 mm, were evaluated according to various fracture mechanics methodologies, including fracture toughness (stress intensity factor KC and energy release rate GC, both at fracture), essential work of fracture (EWF) and C-ring […]

Desember 6, 2021

by admin in Market Reports, Uncategorized

WHY CHOOSE SHUANGLIN HDPE SPIRAL PIPE #part 2

PROFILE RIGIDITY SPIRAL high-density polyethylene pipes can be manufactured with the necessary rigidity, assigning different profiles depending on the different load conditions that the conduction will have to face along its route. IRAM 13414 Standard establishes that the annular rigidity of HDPE high-density polyethylene pipes must be at least SN2. When this rigidity is not sufficient, […]

Oktober 4, 2021

by admin in Uncategorized

Stress Concentrations Around Circular Holes in Perforated Drainage Pipes

Authors: R.W.I. Brachman, , and R.P. Krushelnitzky, Stress concentrations around circular holes in perforated buried pipes obtained from three-dimensional elastic finite element analysis are presented. The maximum stresses around the perforation were found to depend on the thickness and diameter of the pipe, the diameter of the perforation, the circumferential location of the perforation, and the axial and circumferential […]

September 13, 2021

by admin in Uncategorized

Compaction Effects On Strains Within Profiled Thermoplastic Pipes

Authors: W. I. Brachman1, , I. D. Moore2, , and S. M. Munro3, Results from laboratory tests are reported to establish how pipe deflections, strains and local bending are influenced by the selection of backfill soil and its placement for two profiled thermoplastic culverts. Lined-corrugated high-density polyethylene (HDPE) and poly vinyl chloride (PVC) pipes with a nominal […]

Agustus 4, 2021

by admin in Uncategorized

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 […]

Maret 25, 2021

by admin in Uncategorized

Effect Of Eccentricity On The Measurement Of Hydrostatic Pressure Resistance Of Plastic Pipes

Suleyman Deveci, Birkan Eryigit, Senthil K. Kaliappan Papers # 2018 Las-Vegas The effect of eccentricity on the failure time of pipes under hydrostatic pressure test has a significant magnitude that it can easily mislead the evaluation of pipes according to requirement of ISO 4427-2. Therefore, authors propose a maximum relative eccentricity limit of 0.015, even […]

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CHALLENGING THE 10% WALL THICKNESS RULE FOR HDPE MARINE PIPELINES

Comparison Between Stress Rupture Test and Hot Water Circulation Test Considering actual operating condition of PE Pipes For Hot Water Application

FRACTURE MECHANICS TECHNIQUES IN LARGE DIAMETER PVC PIPES

WHY CHOOSE SHUANGLIN HDPE SPIRAL PIPE #part 2

Stress Concentrations Around Circular Holes in Perforated Drainage Pipes

Compaction Effects On Strains Within Profiled Thermoplastic Pipes

HDPE-Geopipes, Soil-Structure Interaction

Effect Of Eccentricity On The Measurement Of Hydrostatic Pressure Resistance Of Plastic Pipes

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