ITA created the Working Group 19 in 2001, on the occasion of the 27th
General Assembly at Milan. After collecting various national reports
about the particular experiences made with Conventional Tunnelling in
the member countries, after the 30th General...
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ITA created the Working Group 19 in 2001, on the occasion of the 27th
General Assembly at Milan. After collecting various national reports
about the particular experiences made with Conventional Tunnelling in
the member countries, after the 30th General Assembly at Singapore the
working group started on the elaboration of the inter-national report and
completed the Work during the 32nd General Assembly at Seoul.
The aim of the working group is to create a report as a guideline for
clients, contractors and tunnelling engineers to promote international
understanding by unifying the terminology and by presenting an overview
of the current state of the art. The contents are valid for most parts of the
world. Therefore the report highlights only the most important principles,
but does not deal with the details.
The report starts with a definition of Conventional Tunnelling and illustrates
some principles of Conventional Tunnelling. The high flexibility and the
wide field of ap
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