The International Society for Trenchless Technology

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Total: 23 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. ...
2. Drill Rig
(Glossary)
A trenchless machine that installs pipes and cables by drilling a pilot bore to establish the location of the underground utility before enlarging the hole if needed and pulling back the product. ...
3. Location
(Glossary)
Trenchless procedures for identifying the site of underground utilities, infrastructure, obstructions, etc. without excavation or with minimum excavation. ...
4. Locator
(Glossary)
... underground services which have been energised. Sometimes referred to as a Walkover System. ...
5. New Installation
(Glossary)
Construction of a new pipe or underground utility to replace or upgrade an existing system or to provide new service. ...
6. Open Cut
(Glossary)
Underground construction method involving excavation from ground level to the level required for the installation, maintenance or inspection of a pipe, conduit or cable. Upon completion of the work, the ...
7. Potholing
(Glossary)
Method using vacuum excavation for obtaining visual confirmation of utilities and underground obstructions near or crossing the planned bore path.  ...
8. Replacement
(Glossary)
Construction of a new pipe or underground utility located on or off the line of the existing systems, which serves the same function as the old system. ...
Underground construction methods of utility installation, rehabilitation, inspection, location and leak detection, with minimum excavation from the surface. ...
10. 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.  ...
11. 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.  ...
12. Ground Pentrating Radar
(News/Guidelines)
There are a wide range of techniques available to locate buried pipes. Most of these systems use electromagnetic waves or signals transmitted into the ground or from underground utilities. These technologies ...
13. ISTT
(News/News head home)
... for surface excavation or reduces environmental damage or reduces the associated costs for underground work.  ...
14. 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. ...
15. No-Dig Award
(Uncategorised Content)
... for utility services. They may be concerned with length or speed of drive, accuracy of drilling, materials used, ground conditions dealt with or means of underground detection and mapping services. For ...
16. The ISTT Team
(Uncategorised Content)
... technology. For the past 15 years, Mr. Boi has been involved in the trenchless technology business, with a focus on underground mapping and SUE (Subsurface Utility Engineering). After about 15th years ...
... of underground utility networks. For example, entries may address achievements in: Improved economy and competitiveness of trenchless installations; Length and speed of drive for installation, replacement ...
18. 2012 ISTT No-Dig Award Winners
(Uncategorised Content)
... process associated with underground urban development projects, since metal obstructions in the earth no longer force routes to be changed or expensive specialist construction processes to be carried out. ...
19. Lifetime Service Award
(Uncategorised Content)
... sewer and water utilities to include the gas, and telecommunications industry, as well as other underground utility industries. As Chairman of JSTT, Mr. Matsui diligently promoted the application of new ...
20. 2014 ISTT No-Dig Award Winners
(Uncategorised Content)
... to boost the quality of data and its reliability. Double polarized antennas cover both longitudinal and transverse scans to create underground images. The mobile feature of the system allows for rapid ...
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