The International Society for Trenchless Technology

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Total: 19 results found.

1. Caulking
(Glossary)
General trenchless technology term that refers to methods for closing joints within a pipeline or between lining segments. ...
Methods for identifying and locating features that may affect the integrity and performance of a utility including defects, obstructions, leaks, infiltration, inflow, etc. ...
3. Dry Bore
(Glossary)
Method of creating a bore without the use of a drilling fluid. Usually associated with guided impact moling, but may also apply to some rotary methods. ...
4. Renovation
(Glossary)
Methods of rehabilitation that incorporates all or part of the original fabric of a host pipe to improve the performance of the pipe ...
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 ...
Underground construction methods of utility installation, rehabilitation, inspection, location and leak detection, with minimum excavation from the surface. ...
7. Pipe Bursting
(News/Guidelines)
Pipe bursting and pipe splitting are trenchless methods used to replace existing pipelines in the same alignment without physically removing the existing pipeline.  Bursting and splitting by using ...
8. Pipe Splitting
(News/Guidelines)
Pipe bursting and pipe splitting are trenchless methods used to replace existing pipelines in the same alignment without physically removing the existing pipeline.  Bursting and splitting by using ...
9. Mole Ploughing
(News/Guidelines)
... traditional underground construction methods requiring wide trenches. These two techniques use plows, cutter chains, or disc to open a furrow or narrow trench in which a flexible pipe or cable is inserted.  ...
10. Narrow Trench
(News/Guidelines)
... traditional underground construction methods requiring wide trenches. These two techniques use plows, cutter chains, or disc to open a furrow or narrow trench in which a flexible pipe or cable in inserted.  ...
11. Leak Detection
(News/Guidelines)
There are a number of methods for surveying and locating leaks in pressurized pipes. Methods vary from simple hand-held acoustic receivers operated above ground to in-pipe, free-swimming leak detectors. ...
12. CCTV
(News/Guidelines)
... as date and time may be recorded and displayed on the video screen.  As the camera moves down the pipeline, an operator records defects and other observations using standard methods of coding.  ...
13. Why Trenchless? ('No-Dig')
(Uncategorised Content)
Trenchless Technology involves the installation, replacement or renewal of underground utilities with minimum excavation and surface disruption. Several construction techniques and methods qualify as trenchless. ...
14. The ISTT Team
(Uncategorised Content)
... of Sciences where his responsibilities included directing advisory research studies in areas such as geotechnology, rock mechanics, tunneling methods and safety, energy engineering, infrastructure, and ...
15. Programs and Activities
(Uncategorised Content)
... Specialized Training Courses targeted at audiences with an interest in specific trenchless technologies. They are also effective tools in introducing trenchless methods into a region of the world where ...
16. Specialized Training
(Uncategorised Content)
... programs also serve to introduce trenchless methods into regions where they may not be well known and their benefits fully appreciated, and can serve as a stimulus to creating trenchless opportunities ...
17. 2013 ISTT No-Dig Award Winners
(Uncategorised Content)
... conventional open‐cut construction. This machine is based on BCPJ design methods developed in 2007. Machine features are: Rotation/revolution multi‐axle cutter (shield), which is more efficient ...
18. Past Winners
(Uncategorised Content)
... use impacts. Trenchless and conventional methods were used in the installation stage of the non-conventional utility concept. Trenchless solutions are recommended in the construction stage that includes ...
19. The History of the ISTT
(Uncategorised Content)
... methods were still in relative obscurity as a viable option to the underground infrastructure community. Over the years, the ISTT has been instrumental in educating and promoting the benefits of trnchless ...

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