The International Society for Trenchless Technology

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Total: 13 results found.

1. Hydrofracture
(Glossary)
The inadvertent loss of drilling fluid from the borehole annulus to the surrounding soil as a result of excess downhole fluid pressure. ...
2. Pipe Bursting
(News/Guidelines)
... caused by the geometry of the bursting head surmounts the host pipe’s tensile and shear strength capacities, resulting in the fragmentation or splitting of the pipe.  As the bursting head is pulled ...
3. Close-Fit Slip Lining
(News/Guidelines)
... deformed liners is achieved by gripping and pushing the liner through a series of rollers reducing the pipe diameter. The resulting reduction causes an increase in the pipe’s wall thickness, which is substantially ...
4. Gold Medal History
(Pages/Generic)
... served as Chair of ISTT where his innovative streak and great diplomacy resulted in a fundamental restructuring of the way ISTT conducts its business. He implemented a fundamental change and a significant ...
5. Pipe Splitting
(News/Guidelines)
... caused by the geometry of the bursting head surmounts the host pipe’s tensile and shear strength capacities, resulting in the fragmentation or splitting of the pipe.  As the bursting head is pulled ...
6. What is ISTT
(Uncategorised Content)
... technology for the public benefit...” and “to promote education, training, study and research in the said science and practice for the public benefit, and to publish the useful results of the same.” In ...
7. 2011 ISTT No-Dig Award Winners
(Uncategorised Content)
... to resourcefulness and ingenuity in achieving a successful pipeline rehabilitation result under an extremely tight schedule, and in less than ideal space and climate conditions. Sofijska Voda, the ...
8. 2012 ISTT No-Dig Award Winners
(Uncategorised Content)
... in pipe performance appears to result from variability within the liner rather than a change over time. The study showed that the liners were in good condition and should last their designed 50-year life ...
9. 2013 ISTT No-Dig Award Winners
(Uncategorised Content)
... was a success as a result of co‐operation between the Contractor and a Water Authority. It also stimulated product innovations that extended the boundaries for Trenchless Technology. Accepting ...
10. 2016 ISTT No-Dig Award Winners
(Uncategorised Content)
... installations in complex formations. This model has been coupled with three-dimensional visualization software to calculate optimal design of pipe installations using HDD. These research results have been ...
11. Past Winners
(Uncategorised Content)
... in length. The achievement has resulted in a “step change” in the advancement of spirally wound trenchless technology and was awarded the 2009 Trenchless Project of the Year by the Australasia Society ...
12. History
(Uncategorised Content)
... the public benefit . . .” and “to promote education, training, study and research in the said science and practice for the public benefit, and to publish the useful results of the same.” In the years that ...
13. Current year
(Uncategorised Content)
... rock strata*: Haitao Lan, a student in the College of Engineering, University of Geosciences-Wuhan, presents the results of his research to better characterize the predictability of torque requirements ...

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