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Abstract: Up to 90% of face pressured tunnels, most of them in urban environment, are using EPBM (Earth Pressure Balance Method Technology. Its safety management needs competence and experience both from designer and contractor. It all depends on the ground and on soil mix specifications. Bangkok Metro experience underlines importance of RMP (Risk Management Plan) and GBR (Geotechnical Baseline Report)....
Abstract: The Koralm Tunnel, a twin-tube single-track railway tunnel with an overall length of almost 33 km and a maximum overburden of over 1.200 m, closes the most significant gap of the future high-capacity railway line from Graz to Klagenfurt, Austria. Located close to the tunnel center, an emergency stop will provide the facilities for future travelers to be evacuated to safety in case of an...
Abstract: ABSTRACT : The increasing world population is in urgent need of more renewable energy. Hydro power is one of the earliest environmental friendly green energy sources. There are world famous projects, e.g. Three Gorges Project in China, of different dimensions successfully implemented. Some mega projects are on hold due to geotechnical, others due to environmental concerns. The paper is focusing...
Abstract: Risk control experiences during the past decade in planning of numerous water conveyance tunnels, predominantly in TBM drives in South East Asia, with disappointing results have been analyzed as shown in the following 3 examples. Dulhasti HEP (Hydro Electric Project) in Jammu & Kashmir where tunnel strata encountered during TBM excavation was having Quartzite & intermittent bands of Phyllite....
Abstract: It is common sense that urbanization is squeezing surface space. There is underground space usage the resilient and sustainable alternative. Economic development depends on infrastructure growth. Underground infrastructure enables development of smart cities. Major metropolitan urban centers across the globe are dealing with issues such as commuting disconnects and overburdened surface...