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Keywords: tunnel
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Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-362
... Upstream Oil & Gas gotthard und schist tunnel exploration tunnel Aar massif base tunnel massif structural geology borehole inflow rate Fault Zone Reservoir Characterization Lötschberg vorerkundung und prognose der basistunnel sediment longitudinal geological profile...
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-348
...360° JET-GROUTED CONICAL CHAMBERS ALLOW SAFE TUNNELLING UNDER A RIVER WITHIN AN HIGHLY PERVIOUS ENVIRONMENT. G. Guatteri, A. Koshima, R. Lopes, V. Doro Altan - (1) ABSTRACT In the São Paulo continuously expanding mega-city it is no longer possible to convey high voltage cables in sub-superficial...
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-533
... observations and rock bolt pullout load tests of Lam Ta Khong Pumped Storage project, Thailand. A case history on soft ground hydropower tunnels in quaternary deposits of clay/mud stone is sited. Adopted support patterns for tunnels and shafts based on the engineering geological rock mass classification were...
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-553
... ABSTRACT: Because of the difficult morphological and geological conditions, many tunnel- and bridge-building projects in Taiwan present a considerable challenge to engineers and geologists. In the west of the island, marshland with saturated and only slightly consolidated loose stony deposits...
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-563
... ABSTRACT: Large scaled model tests were carried out to study the short-term deformation behavior of the arch-shaped tunnel which was constructed by cut-and-cover method without compaction effort for backfill material. Earth pressures acting on the tunnel lining and displacements of the lining...
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-559
... of model parameters that minimises (or maximises) these key events whilst maintaining an acceptable fit of the model predictions with the observations. The method is applied to a problem of estimating tunnel settlements using numerical modelling and pressuremeter test results. The example...
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-554
... ABSTRACT: The design and construction of a new public transportation system in combination with extensive federal and public buildings in the central area of Berlin has been a considerable engineering challenge. Eight parallel tunnels were built by shield and cut & cover techniques up to...
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-573
...GEOTECHNICAL SITE CHARACTERISATION OF THE PERTHUS TUNNEL Bocabarteille A.1; González A.1; Celada B.2; and Galera J.M.2 ABSTRACT The tunnel across the Pyrenees, joining by a high speed train Barcelona (Spain) and Montpellier (France), will have a total length of 8200m. In order to characterise the...
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-540
... ABSTRACT: Taiwan, on the eastern edge of the Eurasian plate, is being crushed and uplifted as the Philippine Sea plate pushes underneath. Geological problems of the eastern section of Pinglin tunnel center mainly on very hard, brittle, blocky and abrasive quartz sandstone interrupted by...
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-578
...PREDICTION OF FINAL DISPLACEMENT OF TUNNEL SECTION DURING EXCAVATION NY. Kim1, YH. Park1 and SH. Kim2 ABSTRACT Certain points on tunnel section start to displace before measurements begin from within the tunnel. Therefore prediction of final displacement tunnel section during excavation would...
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-561
... portal lining tunnel centre line settlement geotechnical design parameter maximum surface settlement construction sequence road tunnel ventilation tunnel north portal tunnel crown excavation tunnel convergence tai lam highway tunnel surface settlement maximum settlement DESIGN...
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-551
... ABSTRACT: Stability of tunnel faces in sandy ground is influenced not only by the mechanical properties of the ground but also by the groundwater conditions. Sand tank experiments prove that the morphological features of face collapse are influenced by the properties of ground and the...
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-526
...A NEW METHOD FOR THE CONSTRUCTION OF SMALL DIAMETER TUNNELS USING SLURRY PIPE-JACKING - EFFECT OF MUD SCREEN AND SLURRY PRESSURE ON SOIL STABILITY - Hideki Shimada1, Takashi Sasaoka1, Masafumi Inoue1, Shiro Kubota1 and Kikuo Matsui1 ABSTRACT Recently, small-diameter shallow tunnels have often been...
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-531
... not apply, i.e. from a tunnel under the sea. Horizontal drains have long been used in rock and competent soils, the Qanats or Karezes of the Middle East probably represent the oldest form of horizontal drainage. In Hong Kong the techniques have been developed for draining rock slopes to improve slope...
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-628
...PREDICTION OF DISPLACEMENTS IN TUNNELLING P.J. Sellner1 and W. Schubert2 ABSTRACT When tunnelling through fault zones under high overburden large deformations are frequently observed, creating a variety of problems. One of them is the accurate estimation of the amount of overexcavation required. So...
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-574
... ABSTRACT: The 570 m long Tarifa Experimental Gallery has allowed the investigation of three of the five flysch units involved in the future tunnel of Gibraltar. This Tunnel will have a length of 38 km approximately and will cross the Strait. For this reason, the results obtained from in situ...
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-566
... TUNNELLING AND ROCK DRILLING UNDER HIGH STRESS CONDITIONS AT THE NATHPA-JHAKRI HYDRO PROJECT Kurosch Thuro1 and Marco Gasparini2 ABSTRACT In the Nathpa-Jhakri Hydroelectric Project - under construction since 1993 - unusual stress conditions show a severe influence on the drilling and blasting...
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-594
...THREE-DIMENSIONAL FACE STABILITY ANALYSIS OF SHALLOW CIRCULAR TUNNELS Abdul-Hamid Soubra1 ABSTRACT The upper-bound method of the limit analysis theory is used to calculate the active and passive limit pressure in front of a pressurized shield. Two translational kinematically admissible failure...
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-579
...COLUMBIA SLOUGH CONSOLIDATION CONDUIT, A SOFT GROUND TUNNEL IN PORTLAND, OREGON, USA Michael S. Feroz, P.E.1, Paul E. Gribbon, P.E.2, and Frank S. Buehler, P.E.3 ABSTRACT. Combined Sewer Overflow (CSO), consisting of approximately 22,710 million cu meters of combined sewage are discharged annually...
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-556
... ABSTRACT: It is considered necessary to undertake in-tunnel monitoring when new tunnels are constructed near to important existing tunnels. The records from monitoring on the Heathrow Express, in London, constructed by BAA between 1994 and 1996 have been examined with a view to seeking...

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