Introduction of the leak-before-break (LBB) concept for cast iron water pipes on the basis of laboratory experiments

2017 ◽  
Vol 14 (8) ◽  
pp. 820-828 ◽  
Author(s):  
Suranji Rathnayaka ◽  
Benjamin Shannon ◽  
Chunshun Zhang ◽  
Jayantha Kodikara
Keyword(s):  
Cast Iron ◽  
Laboratory Experiments ◽  
Water Pipes ◽  
Leak Before Break

Leak-before-break (LBB) analysis and failure processes for small-diameter cast iron pipes

2017 ◽  
pp. 625-630
Author(s):  
R. Jiang ◽  
D. Weerasinghe ◽  
C. Zhang ◽  
X.L. Zhao ◽  
J. Kodikara ◽  
...  
Keyword(s):  
Cast Iron ◽  
Small Diameter ◽  
Leak Before Break

Characterization of corrosion morphologies from deteriorated underground cast iron water pipes

2019 ◽  
Vol 70 (10) ◽  
pp. 1837-1851 ◽  
Author(s):  
Ravin N. Deo ◽  
Suranji Rathnayaka ◽  
Chunshun Zhang ◽  
Guoyang Y. Fu ◽  
Benjamin Shannon ◽  
...  
Keyword(s):  
Cast Iron ◽  
Water Pipes

Evaluation of an intrusive technology to diagnose buried pipelines

2014 ◽  
Vol 14 (5) ◽  
pp. 931-937 ◽  
Author(s):  
B. Bouttier ◽  
Y. Gourbeyre ◽  
M. Hassine ◽  
J. C. Potier ◽  
P. Bréant
Keyword(s):  
Cast Iron ◽  
Water Supply ◽  
Probability Of Detection ◽  
Real Problem ◽  
Buried Pipelines ◽  
Buried Pipes ◽  
Supply Networks ◽  
Water Pipes ◽  
Water Supply Networks ◽  
Non Destructive

Ageing of water supply networks is a real problem which leads to leaks and bursts. A great challenge is to discover the state of degradation of the buried pipes. This paper describes the knowledge of Veolia Water – SADE of a non-destructive technology to inspect cast iron water pipes and the methodology developed to define its performance in terms of probability of detection of defects.

Research on Composite Materials Used for Brake Shoes Manufacture

2016 ◽  
Vol 254 ◽  
pp. 207-211 ◽  
Author(s):  
Erika Popa ◽  
Liviu Pascu ◽  
Ana Socalici ◽  
Marius Ardelean
Keyword(s):  
Composite Material ◽  
Cast Iron ◽  
Composite Materials ◽  
Carbon Fiber ◽  
Contact Zone ◽  
Laboratory Experiments ◽  
Rolling Stock ◽  
Brake Shoe ◽  
Materials Used

The paper relates laboratory experiments in order to obtain a composite material used for brake shoe manufacture. Regarding the testing materials were processed 38 samples. The percentage and composition of materials are: 15-45% novolac, 1,5-10% hexametyltetramin, 0-8% sulfur, 0-15% carbon fiber, 0-20% graphite, 0-25% aluminum, 15-28% brass and 0-40% rubber. The evolution of tribological and temperature parameters were analyzed in the contact zone tribological testing disk - split pin method. The composite material has the role to replace the classic material (cast iron) used in brake shoes composition in order to reduce the noise caused by rolling stock.

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