The International Society for Trenchless Technology

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Total: 17 results found.

1. Obstruction
(Glossary)
Any object or feature that lies completely or partially within the cross-section of a microtunnel or drill that prevents continued forward progress. ...
2. Auger Boring
(News/Guidelines)
... existing casing pipe, and a new auger chain connected to the machine and to the existing chain/cutter head. The excavation and thrust process is repeated until the project is completed.  The auger ...
3. Pipe Ramming
(News/Guidelines)
... but enough soil is kept in the casing until the completion of the drive to maintain a plug at the face of the casing. The soil contained in the casing when the drive is completed is removed typically ...
4. Pilot Tube
(News/Guidelines)
... product pipe installation is complete when it reaches the reception shaft replacing the previously installed auger casings.  ...
5. Impact Moling
(News/Guidelines)
... as it advances through the ground. Once a bore hole has been completed, the product pipe is pulled in as the mole is extracted.  A bore hole is typically 15-25 percent bigger than the product pipe. ...
6. Join ISTT
(Uncategorised Content)
... questions.If you are not a member of an Affiliated Society and wish to join ISTT, please complete the form below. ...
... work completed in 2015-17 and must be endorsed by the Affiliated Society where the activity took place. Award application for activities outside of a region with an affiliated society are exempt from this ...
8. Awards and Recognition
(Uncategorised Content)
... project completed; (3) New machine, tool, material, system or technique introduced; and (4) Student or young professional paper. The Awards are presented yearly at the ISTT’s annual International No-Dig ...
9. Disclaimer
(Uncategorised Content)
1. ContentThe author reserves the right not to be responsible for the topicality, correctness, completeness or quality of the information provided. Liability claims regarding damage caused by the use of ...
10. 2011 ISTT No-Dig Award Winners
(Uncategorised Content)
... in a densely populated residential district with narrow rights-of-way. The project had to be completed within 40 days, without unduly restricting access to residential property, and in temperatures that ...
11. 2012 ISTT No-Dig Award Winners
(Uncategorised Content)
... to a close fit, spiral wound in-place, ambient cured-in-place pipe, UV cured-in-place pipe and pipe bursting to successfully complete the project. This project is an excellent example of using trenchless ...
12. 2014 ISTT No-Dig Award Winners
(Uncategorised Content)
... the hole to 60” and installed the pre bent pipe. The pre-bent 160m pipe string assembled in three sections, which were installed sequentially. The installation was completed in 36 hours of non-stop ...
13. 2015 ISTT No-Dig Award Winners
(Uncategorised Content)
... that limited available space to string the pipe. In spite of the many challenges, The Ekol Yapı HDD team, with the continuous support of Herrenknecht AG,successfully completed Turkey’s 2 longest HDD crossings. ...
14. Past Winners
(Uncategorised Content)
Past Winners 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 1989 1988 1987 1986 2010 (For work completed in ...
15. ISTT Membership Benefits
(Uncategorised Content)
... above. Please contact us at info@istt.com, if you have any questions. If you are not a member of an Affiliated Society and wish to join ISTT, please complete the form below.  ...
16. The History of the ISTT
(Uncategorised Content)
...  Click here for a complete history of the ISTT (PDF)  ...
17. Current year
(Uncategorised Content)
... had to be completed within 40 days, without unduly restricting access to residential property, and in temperatures that were routinely well below freezing. A semi-structural liner using Cured-in-Place ...

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