Zobrazeno 1 - 10
of 57
pro vyhledávání: '"Alexandros Sofianos"'
Publikováno v:
Materials, Vol 8, Iss 9, Pp 6096-6104 (2015)
The performance of a fire resistant coating for tunnel passive fire protection under successive severe thermal loading is presented. The material falls under the class of potassium based geopolymers (K-geopolymer) and was prepared by mixing ferronick
Externí odkaz:
https://doaj.org/article/f16f392c9a1e4595a96f770afa57e41e
Publikováno v:
Rock Mechanics and Rock Engineering. 53:1953-1971
Hollow plates of plaster and calcitic and dolomitic marbles, extracted from greek quarries, with a single pre-existing cylindrical hole of various diameters are subjected in uniaxial compression. The influence of the material and the hole’s diamete
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::90af7b64db1620db0b6f9ea9964fd162
https://doi.org/10.1007/s00603-019-02025-x
https://doi.org/10.1007/s00603-019-02025-x
Publikováno v:
Rock Mechanics and Rock Engineering. 52:4361-4386
Physical models of plaster, calcitic and dolomitic marbles from greek quarries with a single pre-existing cylindrical hole of various diameters, subjected in uniaxial compression are simulated numerically with a bonded particle model by employing the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a7ef36ed783e899095688842cbee404d
https://doi.org/10.1007/s00603-019-01884-8
https://doi.org/10.1007/s00603-019-01884-8
Publikováno v:
Mine Planning and Equipment Selection 1997 ISBN: 9781003078166
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::62f07d0572254a8bc1e84d19e45cbd4f
https://doi.org/10.1201/9781003078166-60
https://doi.org/10.1201/9781003078166-60
Autor:
Alexandros Sofianos, Evangelia Pelli
Publikováno v:
Tunnelling and Underground Space Technology. 79:150-174
Analytical Solutions are proposed for the calculation of the stress and deformation fields around cavities, of various shapes, in the linear elastic Half Plane Space, due to seismic excitation of SV Waves. The analytical model, is based both on the e
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4b231b189adc4fa7acad131b2064f771
https://doi.org/10.1016/j.tust.2018.01.019
https://doi.org/10.1016/j.tust.2018.01.019
Autor:
Alexandros Sofianos, P. Yiouta-Mitra
Publikováno v:
International Journal of Rock Mechanics and Mining Sciences. 106:96-108
An arched roof can support a much greater load than a horizontal beam. This increase in the carrying capacity stems from the fact that the downward movement due to gravity creates a compressive arch. The behavior of multi-jointed hard rock roof under
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::da04be00def4c5a669f34a9a9b349e51
https://doi.org/10.1016/j.ijrmms.2018.03.021
https://doi.org/10.1016/j.ijrmms.2018.03.021
Publikováno v:
Construction and Building Materials. 138:296-305
The mechanical behaviour of single and hybrid FRC mixtures, with one type of steel and two types of polypropylene fibres at 0.5% and 1.0% volume fractions, is investigated through the double punch Barcelona test. Indirect tensile strength and toughne
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::07f877a01a4b3c8f17baf4ed697fe992
https://doi.org/10.1016/j.conbuildmat.2017.01.115
https://doi.org/10.1016/j.conbuildmat.2017.01.115
Publikováno v:
Procedia Engineering. 191:242-247
In this paper, a numerical investigation of uniaxial compressive tests on prismatic specimens with single cylindrical pre-existing cavities in brittle rock is performed. To investigate the rock fracture around cavities and to assess the potential of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bb7dd0ce4a1f6734a7a7fdf365e905d7
https://doi.org/10.1016/j.proeng.2017.05.177
https://doi.org/10.1016/j.proeng.2017.05.177
Publikováno v:
OALib. :1-15
Fire resistant geopolymers are developed and the performance under thermal loading is examined and compared in this paper. The geopolymers were prepared by mixing the solid phase, metallurgical slag and metakaolin with a highly alkaline potassium hyd
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fda6fb81664333ab47df17b85f7695a6
https://doi.org/10.4236/oalib.1103327
https://doi.org/10.4236/oalib.1103327
Publikováno v:
Construction and Building Materials. 129:266-277
The paper focuses on studying experimentally the potential benefits (in terms of stiffness, strength, ductility) stemming from the use of different fibres on the flexural behaviour of concrete beam specimens. Different types of steel and polypropylen
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f294a8ec5a8a3480de4a653cd54b14a5
https://doi.org/10.1016/j.conbuildmat.2016.10.089
https://doi.org/10.1016/j.conbuildmat.2016.10.089