Výsledky vyhľadávania - "Expanding Underground - Knowledge and Passion to Make a Positive Impact on the World"

3D numerical simulation of TBM excavation for predicting surface settlements - state of the art Autor Kratz, B., Jehel, P., Tatin, M.

“…Tunnels offer efficient transportation infrastructure in urban areas such as the Grand Paris Express in France. In urban areas, a densely built environment is…”
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Tomography based method for investigation of steel fibre distribution in tunnel shotcrete Autor Ansell, A.

“…Steel fibre reinforced shotcrete (sprayed concrete) is a vital factor for achieving long technical lifespan and safe performance for the support of hard rock…”
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The effect of explosions in road tunnels on critical structural elements Autor Peterson, V., Lozano, F., Johansson, M., Hallgren, M., Ansell, A., Magnusson, J.

“…In the present paper, the walls of a concrete frame used for over-decking in a road tunnel were first designed using the relevant design provisions. The…”
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Effective use of fibres of various types and material for shotcrete in rock support for tunnels Autor Sjölander, A., Ansell, A., Nordström, E.

“…Large volumes of steel fibre reinforced shotcrete (sprayed concrete) and steel bolts are commonly used to support tunnels in hard rock. This generates a high…”
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The impact of battery electric bus fire on road tunnel Autor Raza, H., Li, S.

“…An increasing number of transit authorities are pursuing a transition of their entire bus fleets to zero-emissions technology, specifically battery electric…”
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Deep learning for masonry lined tunnel condition assessment Autor Smith, J., Paraskevopoulou, C., Bedi, A., Invernici, M.

“…The condition assessment of masonry lined railway tunnels typically involves manually identifying lining defects from photographic and lidar surveys taken of…”
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Study into the TBM jamming hazard in Opalinus clay Autor Nordas, A.N., Natale, M., Anagnostou, G., Cantieni, L.

“…The National Cooperative for the Disposal of Radioactive Waste (Nagra) in Switzerland has designated Opalinus clay as a host rock for a deep geological…”
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Single and two-component grout as high-performance backfilling materials Autor Di Giulio, A., Di Felice, M., Valiante, N., De Carli, G.

“…Segmental lining is not usually applied in hydraulic pressure tunnels but may become a viable alternative if it can withstand internal pressure variations and…”
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Tunnel Digitalization Center - Beyond BIM in underground construction Autor Petschen, V., Brandt, R., Celebi, O., Wyss, R., Elkuch, N.

“…Digitalization opens the possibility of avoiding the waste of three very important assets. We can minimize the unnecessary loss of materials, time, and…”
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Urban underground space use in a climate neutral city Autor Bobylev, N.G., Guo, D., Benardos, A.

“…Sustainable, compact, green and climate neutral urbanization is essential in the context of tackling global environmental challenges such as biodiversity…”
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Class A predictions of damage level in an historical fortress induced by twin tunnelling Autor Boldini, D., Spaggiari, C., Abul, J.K., Fuoco, S., Lusini, E.

“…Tunnelling below historical city centres requires the accurate analysis of the impact of construction works on cultural heritage monuments, which need to be…”
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Experimental study on cyclic shear behavior of biopolymer-treated soil as a tunnel backfill material Autor Park, D.Y., Lee, M.H., Cho, G.C., Chang, I.H.

“…The purpose of backfill grout injection is to immediately fill voids left by the TBM body between the tunnel wall and the segmented blocks, preventing…”
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Modelling underground mine ventilation characteristics using artificial neural networks Autor Karagianni, Maria, Benardos, Andreas

“…Underground bauxite mining exploitations is a challenging environment for ventilation. A controlled underground ventilation system can significantly improve…”
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Advancement of conventional cost benefit for selection of truly sustainable infrastructure alternatives Autor Kondrachova, T., Grasselli, G., Miller, E.

“…In the 21st century, selection of a best infrastructure alternative became prominent for all public sector projects. Initially, such selection was using the…”
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Integration of robotics in underground mining construction works Autor Crespo, C., Rodríguez, F.

“…Since November 2021, Acciona has been testing the SPOT quadruped robot (Boston Dynamics' Spot) in the underground mining site in Chile, with the main goal of…”
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Study on the cutter wear based on the cutterhead working status monitoring system in TBM tunneling Autor Gong, Qiuming, Xie, Xingfei, Wu, Fan, Liu, Junhao, Xing, Hai, Ren, Hongzhuan, Zhang, Hongwei, Xiao, Yuhang

“…TBM cutters are firmly in contact with the face when TBM is tunneling in the hard rock mass, and the cutter wear rate strongly affects TBM tunneling…”
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Autostrade per l'Italia (ASPI) TRS Tunnel Renewal Strategy: The cases of Castello 1 left, San Fermo right and Colle Marino left tunnels Autor Mazzola, M., Giordano, M., Alessio, C., Spigarelli, B.

“…The objective of ASPI Network's Tunnel Renewal Strategy is the extension of tunnel linings' life cycle (i.e., additional 50 years) through the construction of…”
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A look at embodied carbon in segmental tunnel lining Autor Banyai, J.P., Caspersen, A.

“…With the increasing focus on climate changes and sustainability in general, we as civil engineers, have an even greater responsibility to develop innovative…”
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Discrete fracture network combined with discontinuum based design for deep shafts - quantifiable risk assessment and design method Autor Haryono, I.S., Booth, P.W., Purwodihardjo, A., Vorster, B.

“…Deep shafts provide critical support services for underground mines and therefore robust engineering assessment and design processes are vital for their…”
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Surface settlements induced by shallow tunnels- The case of Athens Metro Autor Papadopoulou, K.V.

“…The effects of ground displacements on surface structures due to shallow tunnels in urban environment are of great importance. Simplified methods predicting…”
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