20.500.12556/DiRROS-17290 Dynamic properties of lightweight foamed glass and their effect on railway vibration Deformation properties of lightweight coarse grained material from recycled foamed glass have been determined from large-scale triaxial tests on prismatic specimens with dimensions 40 cm x 40 cm x 80 cm. Deformations were measured locally using vertical and horizontal local deformation transducers. Monotonic and cyclic loading at small to medium strain range were conducted. Three load sequences representing the expected conditions of use of lightweight material as vibration-reducing material in railway geotechnics have been used. Results indicate strong effect of brittle cellular structure of tested material as well as confining pressure dependency of elastic threshold shear strain and damping ratio. The results were used to assess the applicability of empirical formulas for shear modulus of granular materials to lightweight foamed glass. The parameters determined from the laboratory tests were further used in numerical analysis of railway dynamic response. The results of the numerical simulations show that replacement of fill in track embankment by lightweight material could improve the dynamic response of the track in reducing the vibration. lightweight material recycled foamed glass railway vibration shear modulus damping lahek agregat reciklirano penjeno steklo železniške vibracije strižni modul dušenje true false true Elsevier Angleški jezik Slovenski jezik © 2019 The Authors. Published by Elsevier Ltd. T Neznano 2023-11-16 14:40:12 2023-11-16 14:40:13 2023-11-18 03:35:06 0000-00-00 00:00:00 2019 0 0 Nasl. z nasl. zaslona; str. 1-9 Vol. 21 Dec. 2019 0000-00-00 Zaloznikova Objavljeno NiDoloceno 0000-00-00 0000-00-00 2019-08-29 620.1/.2 2214-3912 10.1016/j.trgeo.2019.100276 2484839 https://www.sciencedirect.com/science/article/pii/S2214391219302016 1 49d00bf7-847d-11ee-9ccb-001a4af901a5 https://dirros.openscience.si/Dokument.php?lang=slv&id=23483 RAZ_Lenart_Stanislav_2019.pdf RAZ_Lenart_Stanislav_2019.pdf 1 C0A22E9A7FD17B1E4C5393532521838B faa052093663cc9877335637dc7d17968a4088423178f93414473509df703bca ccbd492e-847d-11ee-9ccb-001a4af901a5 https://dirros.openscience.si/Dokument.php?lang=slv&id=23484 Zavod za gradbeništvo Slovenije 0 0 0