Zobrazeno 1 - 10
of 100
pro vyhledávání: '"P.W. Mitchell"'
Publikováno v:
Proceedings of the Institution of Civil Engineers - Ground Improvement. 174:85-94
The depth of influence of rolling dynamic compaction (RDC) was investigated in a field trial using a four-sided impact roller. Earth pressure cells (EPCs) were placed at varying depths at a site consisting of homogeneous soil conditions. EPCs measure
Publikováno v:
Journal of Rock Mechanics and Geotechnical Engineering, Vol 12, Iss 1, Pp 126-134 (2020)
The influence of towing speed on the effectiveness of the 4-sided impact roller using earth pressure cells (EPCs) is investigated. Two field trials were undertaken; the first trial used three EPCs placed at varying depths between 0.5 m and 1.5 m with
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Publikováno v:
Géotechnique Letters. 9:99-105
Rolling dynamic compaction (RDC) is typically used for improving ground in situ or compacting fill in thick lifts. In many project applications, the effects of RDC are verified by way of testing that is undertaken pre- and/or post-compaction. This st
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Autor:
W. G. Stirling, Susan H. Kilcoyne, P.W. Mitchell, William J. Nuttall, R. Cywinski, S.C. Perry
Publikováno v:
Physica B: Condensed Matter. 315:179-186
We present further experimental and theoretical insights into unusual ‘two-component’ antiferromagnetic critical phenomena in uranium antimonide. High resolution neutron powder diffraction measurements have been used to quantitatively describe th
Autor:
J.R. Lowden, Gabriel Aeppli, P.W. Mitchell, Toby Perring, Stephen M Hayden, Eric Fawcett, R Doubble
Publikováno v:
Physica B: Condensed Matter. :421-424
We review measurements of the high-frequency magnetic excitations in the paramagnetic alloy Cr0.95V0.05 made using pulsed spallation neutron techniques. Spatially coherent magnetic excitations are observed up the highest energy investigated, h ω = 4
Autor:
J.W. Ross, Hadi Arabi, D.J. Sandiford, D.A. Ciomartan, M.E. Clamp, P.W. Mitchell, O.S. Mills, R.H. Fenn
Publikováno v:
Physica C: Superconductivity and its Applications. 193:90-98
The structure of a superconducting, single crystal of holmium-1,2,3 has been shown to be tetragonal above and below the superconducting transition temperature by a combination of X-ray, neutron and electron diffraction techniques. Structural paramete
Publikováno v:
Physica B: Condensed Matter. 174:39-42
We carried out a neutron diffraction investigation of the magnetic phase diagram of dilute holmium in yttrium and deduced the critical concentration of holmium. We also obtained values for the crystal field parameters from the neutron inelastic scatt
Publikováno v:
Physica B: Condensed Matter. 174:51-55
We have performed a neutron inelastic scattering experiment on holmium gallium garnet to investigate the crystal field splitting of the LS ground state of the holmium ion. We have found values for the crystal field parameters which both describe our