The International Society for Trenchless Technology

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Total: 25 results found.

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1. Chemical Grouting
(Glossary)
Method for the treatment of the ground around a shaft or pipeline, using non-cementitious compounds, to facilitate or make possible the installation of an underground structure. ...
Nondestructive method for detecting subsurface structures, voids, discontinuities, and changes in material. GPR uses radar pulses transmitted into the ground to image the subsurface by recording electromagnetic ...
3. Location
(Glossary)
Trenchless procedures for identifying the site of underground utilities, infrastructure, obstructions, etc. without excavation or with minimum excavation. ...
4. Push Ring Adapter
(Glossary)
Mechanical structure mounted on the thrust ring to prevent the thrust ring from coming into contact with the pipe collar and causing damage to the collar. ...
5. Reinstatement
(Glossary)
Method of backfilling, compaction and re-surfacing of any excavation to restore the surface and underlying structure to enable it to perform its original function. ...
6. Spacer
(Glossary)
Mechanical structure used to connect the jacking thrust ring to the pipe and used to accommodate lengths of pipe that are longer than the stroke length of the jack. ...
Pipe renovation methods that do not require the structured-wall (SW) of the host pipe to contribute to the ring stiffness needed to satisfy the integrity of the utility ...
8. Gold Medal History
(Pages/Generic)
... played a major part in the formation of the French Society and the creation of the present structure of the ISTT. 1995, No-Dig Dresden Dr. Satoru Tohyama led the Japanese Society delegations to each of ...
9. Epoxy & Polyurethane Linings
(News/Guidelines)
... water and wastewater structures. The coatings are applied by hand or by spray. Thicker applications of polymer coatings offer some degree of structural benefit and leak protection.  ...
10. Pipe Ramming
(News/Guidelines)
Pipe ramming is a trenchless method for installing steel casing pipe under roads, railroads and other structures. The casing is installed open ended, which allows the soil to enter the casing. Containing ...
11. Polyurethane Lining
(News/Guidelines)
... water and wastewater structures. The coatings are applied by hand or by spray. Thicker applications of polymer coatings offer some degree of structural benefit and leak protection.  ...
12. Ground Pentrating Radar
(News/Guidelines)
... systems can accurately locate the path of underground utilities but not their depth. GPR is a nondestructive method for detecting subsurface structures, voids, discontinuities, and changes in material. ...
13. Why Trenchless? ('No-Dig')
(Uncategorised Content)
... sensitive areas and locations where surface access may be restricted due to the existence of structures or vegetation.   Often, trenchless techniques are the only viable construction option. ...
14. The ISTT Team
(Uncategorised Content)
... his career in Istanbul Water and Sewerage Administration and gained extensive experience of underground infrastructure construction. Afterwards he spent several years in Turkish contracting companies conducting ...
15. Organization
(Uncategorised Content)
ISTT is a company limited by guarantee, which is a class of registration in the United Kingdom (UK) used primarily for not-for-profit organizations. Under this structure, registered Guarantors are responsible ...
16. Lifetime Service Award
(Uncategorised Content)
... of Land, Infrastructure, Transport and Tourism (MILIT) where over the next 30 years he served in ever-increasingly responsible positions within the organization. By the early 1990s, Mr. Matsui had become ...
17. 2011 ISTT No-Dig Award Winners
(Uncategorised Content)
... course on the Science of Trenchless Engineering (STE), which is offered to both undergraduate and graduate students. The course structure includes lectures, laboratories, and tutorials on all aspects ...
18. 2014 ISTT No-Dig Award Winners
(Uncategorised Content)
... neighborhood impact including potential damage to nearby structures.   _________________________________________________________________________________________   NO-DIG AWARD ...
19. 2015 ISTT No-Dig Award Winners
(Uncategorised Content)
... and soil conditions, and critical superstructure and infrastructure near the pipe corridor.   The 487 m crossing presented geological challenges, which caused lose of returns and frac-outs. The contractor ...
20. 2016 ISTT No-Dig Award Winners
(Uncategorised Content)
... presence of surface and underground infrastructure and mixed soil conditions that included cobles at world famous Copacabana and Ipanema beaches presented a challenge for installing a pressurized sewer ...
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