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| KANSAINVÄLINEN YHTEISTYÖ | ||||
| International Tunnelling Association |
Kansainvälinen
kattojärjestö ITA |
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| ITA:s 52 member nations | ITA:n
kansalliset järjestöt |
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| web-sivuja Euroopassa | ||||
| Association Belge des Techniques et de l'Urbanisme Souterrains | ABTUS | Belgia | ||
| Geotechmin consulting & engineering | C-SVS | Bulgaria | ||
| British Tunnelling Society | BTS | Englanti | ||
| Associacion Española de tuneles y obras subterraneas | AETOS | Espanja | ||
| Vereniging Ondergronds Ruimtegebruik | VOR | Hollanti | ||
| Società Italiana Gallerie | S.I.G | Italia | ||
| ITA Austria | ITA A | Itävalta | ||
| Greek Tunnelling Society | EYDE | Kreikka | ||
| Norsk Forening for Fjellsprengningsteknikk | NFF | Norja | ||
| Polski komitet geotechniki | PKG | Puola | ||
| Portuguese society for geotechnique | SPG | Portugali | ||
| Association Française des Travaux en Souterrain | AFTES | Ranska | ||
| Bergsprängningskommittén | BK | Ruotsi | ||
| Deutscher Ausschuß für unterirdisches Bauen | DAUB | Saksa | ||
| Maanalaisten tilojen rakentamisyhdistys Ry | MTR | Suomi | ||
| Swiss Tunnelling Society | G.T.S. | Sveitsi | ||
| Czech Tunnelling Committeet | CTuC | Tsekki | ||
| Turkish road association | TRA | Turkki | ||
| Hungarian Tunnelling Association | HTA | Unkari | ||
| Russian tunnelling association | TAB | Venäjä | ||
|
muualla maailmassa |
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| South African National Council on Tunnelling | SANCOT | Etelä-Afrikka | ||
| Australian underground and tunnelling association | AUCTA | Australia | ||
| Brasileiro de Geotecnia Ambiental | ABMS | Brasilia | ||
| Tunnelling Association of Canada | TAC | Kanada | ||
| Sociedad Argentina de Ingeniería Geotécnica | SAIG | Argentiina | ||
| China Civil Engineering Society | CCES | Kiina | ||
| Sociedad Colombiana de Ingenieros | SCI | Kolumbia | ||
| Korean Tunnelling Association | KTA | Korea | ||
| Egyptian Tunnelling Society | ETS | Egypti | ||
| American Underground Construction Association | AUA | USA | ||
|
Indonesian Road Development Association |
IRDA | Indonesia | ||
|
Asian society for environmental geotechnology |
CBIP | Intia | ||
| Japan
Tunnelling Association |
JTA | Japani | ||
| Tunnelling and Underground Space Technical Division | MTD | Malesia | ||
| Asociación Mexicana de Ingeniería de Túneles y Obras Subterráneas | AMITOS | Mexico | ||
| Opus International Consultants | OPUS | Uusiseelanti | ||
| Tunnelling & Underground Construction Society | TUCSS | Singapore | ||
| Asian Institute of Technology | AIT | Thaimaa | ||
| Sociedad Venezolana de geotecnia | SVDG | Venetsuela | ||
| Association of Institute of Transport Science and Technology | AITST | Vietnam | ||