Hard-rock TBM jamming subject to adverse geological conditions: Influencing factor, hazard mode and a case study of Gaoligongshan Tunnel
ZH Xu, WY Wang, P Lin, LC Nie, J Wu, ZM Li - Tunnelling and Underground …, 2021 - Elsevier
Adverse geological conditions, the major challenge of tunnel construction, affect the
excavation rate and even cause the hard-rock tunnel boring machine (TBM) jamming. Firstly …
excavation rate and even cause the hard-rock tunnel boring machine (TBM) jamming. Firstly …
Delineation of cutter force and cutter wear in different edge configurations of disc cutters–an analysis using discrete element method
Disc cutters are used to cut the rocks in variable load conditions which results in cutter wear
and failure. The wear of the cutter plays a vital role in the overall time cycle, efficiency and …
and failure. The wear of the cutter plays a vital role in the overall time cycle, efficiency and …
Assessing the failure potential of tunnels and the impacts on cost overruns and project delays
C Paraskevopoulou, M Dallavalle, S Konstantis… - … and Underground Space …, 2022 - Elsevier
As the tunnelling industry is an ever-expanding market due to the switch to electric vehicles
and expensive air space, the need for attaining a cost-efficient construction has never been …
and expensive air space, the need for attaining a cost-efficient construction has never been …
Parametric study of the impacts of various geological and machine parameters on thrust force requirements for operating a single shield TBM in squeezing ground
R Hasanpour, J Rostami, M Thewes… - … and Underground Space …, 2018 - Elsevier
Excavation of long tunnels by shielded TBMs is a safe, fast, and efficient method of tunneling
that mitigates many risks related to ground conditions. However, TBM applications in difficult …
that mitigates many risks related to ground conditions. However, TBM applications in difficult …
An investigation of the relationship between muck geometry, TBM performance, and operational parameters: A case study in Golab II water transfer tunnel
An attempt was made to examine the relationship between various TBM operational factors,
its performance, and muck geometry during the excavation of a short geologically uniform …
its performance, and muck geometry during the excavation of a short geologically uniform …
Contribution on the understanding of EPB-TBM drives in complex geologic structures
S Acun, N Bilgin, U Erboylu - Tunnelling and Underground Space …, 2021 - Elsevier
The studied area is a part of the New Istanbul Airport Metro construction project, which is on
the Northwest of the city center towards the Black Sea Coast on the European Side of …
the Northwest of the city center towards the Black Sea Coast on the European Side of …
Comparison and correlation between the laboratory, semi-theoretical and empirical methods in predicting the field excavation performance of tunnel boring machine …
Many methods have been proposed to predict the field excavation performance of tunnel
boring machine (TBM). They can usually predict the general trends of the field rock cutting …
boring machine (TBM). They can usually predict the general trends of the field rock cutting …
The effect of rock weathering and transition zones on the performance of an EPB-TBM in complex geology near Istanbul, Turkey
N Bilgin, S Acun - Bulletin of Engineering Geology and the Environment, 2021 - Springer
Abstract The new Istanbul Airport is being constructed over an old coal field area, 35 km
away from the city center. The construction of a rail link between the city and the airport …
away from the city center. The construction of a rail link between the city and the airport …
The effect of EPB face pressure on TBM performance parameters in different geological formations of Istanbul
N Bilgin, A Yüksel - Tunnelling and Underground Space Technology, 2023 - Elsevier
This study summarizes the effect of EPB pressure varying from 0.5 bar to 4 bar, on TBM
performance ie, on thrust force, torque, penetration, and specific energy. 6511 data points …
performance ie, on thrust force, torque, penetration, and specific energy. 6511 data points …
Effects of mixed-ground condition on tool life and cutterhead maintenance of tunnel boring machines
S Moosazadeh, SH Hoseinie, B Ghodrati - International Journal of System …, 2023 - Springer
This paper aims to investigate the impact of mixed ground conditions and the presence of
groundwater, which are critical geotechnical variables during mechanized tunneling, on the …
groundwater, which are critical geotechnical variables during mechanized tunneling, on the …