The International Society for Trenchless Technology

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1. Fluid Assisted
Method of guided drilling using a combination of mechanical drilling and Boring/Drilling pressurised fluid jets to provide the soil cutting action. ...
... required for the product pipe. During the pilot bore the direction of the drill string is controlled by the orientation of a slanted face to the drill head, eccentric fluid jets or a combination of these, ...
Numerical designation of a pipe series which is a convenient round number approximately equal to the ratio of the nominal outside diameter and the minimum wall thickness. ...
4. Wireline
Surface system consisting of a grid of energized wire coil, which in combination with a downhole survey probe, tracks the location of the drill string. ...
... jobs often recycle the drilling fluid using a combination of screens, centrifugal pumps, and hydro cyclones to remove the cuttings from the fluid.  Large jobs where tracking the drill head  using ...
There are currently almost 1500 papers available in the ISTT database. Papers from the International No Dig (2000 - 2017), North American shows  (2001 - 2007) are available in the PDF format. Abstracts ...
7. Communication & Outreach
ISTT sponsors Trenchless International (TI) - the official magazine of ISTT. TI, which is published quarterly by Great Southern Press (GSP), is an industry magazine with a worldwide circulation. TI carries ...
8. Close-Fit Slip Lining
... liners typically are used for smaller diameter pipes up to 500mm. The liner is slip-lined into the host pipe and reverted to a round section and close fit with the host pipe using a combination of heat ...
9. Gold Medal History
... 2001. 1996, No-Dig New Orleans E W (Ted) Flaxman was the founder of the ISTT; ISTT’s first Chairman, and Chairman Emeritus. He organised the first international trenchless conference in London - "No-Dig ...
10. Cement mortar Liner
... such as cutters and chain flails. Some of these techniques are used in combination to help ensure that the host pipe is descaled, cleaned, and dry prior to application of the spray-on lining.  Cement ...
11. Conference Papers
(News/News head home)
Conference Papers: “International No-Dig Conference Papers” “About 1500 articles available in our database. The largest knowledgebase of our industry” “All free for members and at a very ...
12. Join ISTT
(Uncategorised Content)
Anyone or any organization that is a member of a national or regional society affiliated with ISTT and who is included in the Affiliated Society’s ISTT membership rolls is automatically a member of ISTT, ...
13. What is ISTT
(Uncategorised Content)
The International Society for Trenchless Technology (ISTT) was established in September 1986 as a United Kingdom private limited company with the object “to advance the science and practice of trenchless ...
14. Upcoming No-Dig International
(Uncategorised Content)
The 36th (2018) International No-Dig Conference & Exhibition will be held in Cape Town, South Africa Date: 8-9th October 2018  Venue: ...
15. The ISTT Team
(Uncategorised Content)
... their advancement. He serves and has served as a keynote speaker and lectures at international events. . Jari Kaukonen - Vice Chairman -FiSTT ...
16. Programs and Activities
(Uncategorised Content)
... Trenchless Education and Training includes the annual International No-Dig Conference and Exhibition (No-Digs), and subject matter trenchless seminars and courses (Specialized Training Seminars). No-Digs ...
17. Organization
(Uncategorised Content)
... International No-Dig Conference. An Executive Subcommittee (ESC) oversees the day-to-day business of the ISTT. ESC members are elected by the Board for terms prescribed at the time of their election. ...
... (1) are recognized at the Gala dinner and presented a trophy and certificate, (2) are featured in an article in Trenchless International, (3) are added to the published list of ISTT award winner role of ...
19. ISTT International NO-DIGS
(Uncategorised Content)
The Annual International No-Dig Conference is the flagship of ISTT’s education and training effort. Over the course of its 25-year history, ISTT has held 29 International No-Digs, all but five of which ...
20. Research Support
(Uncategorised Content)
... findings and trenchless educational programs, and to explore opportunities for collaboration. Colloquium meeting are often held in conjunction with the Annual International No-Dig Conferences.      ...
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