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SIESTA Project: Svalbard summer 2025 expedition report. [PDF]
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Protocol to generate stable knockout lines in the human-parasitic nematode Strongyloides stercoralis. [PDF]
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Instability of screw dislocation pile-ups
Journal of Applied Physics, 1973An instability mechanism for a pile-up of perfect screw dislocations is investigated where the cross-slip barrier is that of the Peierls-Nabarro force. The pile-up is found to reach a state of unstable equilibrium under the condition τ* = 0.66(μs)1/2, where τ* is the tip stress of the pile-up, μ the shear modulus, and s the initial slope of the Peierls
N. T. Adelman, J. Dundurs
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2005
Piling is one of the most necessary and powerful construction techniques applied in geotechnical engineering. The efficiency of bored piles (where soil is retrieved) and screwed piles (where soil is displaced) results from the interaction between the performance of the drilling equipment and the modifications created by the drilling process to the soil
Katzenbach R., Schmitt A.
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Piling is one of the most necessary and powerful construction techniques applied in geotechnical engineering. The efficiency of bored piles (where soil is retrieved) and screwed piles (where soil is displaced) results from the interaction between the performance of the drilling equipment and the modifications created by the drilling process to the soil
Katzenbach R., Schmitt A.
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Installation parameters and capacity of screwed piles
2020This paper proposes a general simplified method for pre-determining the carrying capacity and settlement of displacement pile, installed by screwing. Special emphasis is placed on screw piles of the last generation: Atlas, Omega, De Waal and Spire. The proposed method, has been derived from the interpretation of full-scale loading tests carried out on ...
M. Bustamante, L. Gianeselli
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Use of screw piles for floatation resistance
2009Tugun Bypass Tunnel is part of the 7 km long Tugun Bypass connecting Southeast Queensland and Northeast New South Wales in Australia. The tunnel is under an extended section of the Gold Coast Airport runway and is built with diaphragm walls using the cut and cover method.
Hsi J., Zhang H.
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Actual directions of scientific researches of the XXI century: theory and practice, 2014
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Towards a Pile Quality Prediction for Screw Displacement Piles Using Bayesian Networks
2019For screw displacement piles, there is quite some machine data being gathered during the installation, such as torque, pull down and velocity. However, there is no systematic way to process these data and knowledge from the engineer and machinist, neither during nor after the installation stage.
Ana Teixeira +2 more
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