This article outlines the progress made in trenchless technology since it became a new discipline about 20 years ago. This technology consisted of innovative techniques for installing pipes and small tunnels, which offered minimal disruption above ground. Some alternatives to the open cut system, which had almost always been used previously, were becoming vital to avoid a clash between the demand for increasing networks of underground services and the needs of travellers on the surface. The first major conference on the technology, No-Dig '85 in London, had many participants from the UK and abroad; at its end, the International Society for Trenchless Technology (ISTT) was formed, which encouraged the formation of similar national societies. At first, the technology was confined to pipes smaller than man-entry size, but later it handled any size of pipeline for utility services. It now covers the installation, replacement, or rehabilitation of underground utility services with minimal surface excavation. Proper site investigation is especially important for a trenchless project. The ISTT's objectives are to: (1) advance the science and practice of trenchless technology for the public benefit; (2) influence decision makers about projects; and (3) promote the rapid deployment of trenchless systems in natural disaster areas.

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  • Corporate Authors:

    Miller Freeman

    Calderwood Street
    London,   United Kingdom  SE18 6QH
  • Authors:
    • Castle, J
  • Publication Date: 2000-7


  • English

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Filing Info

  • Accession Number: 00799709
  • Record Type: Publication
  • Source Agency: Transport Research Laboratory
  • Files: ITRD
  • Created Date: Oct 6 2000 12:00AM