Standard

Dry interlayers out of cast polyurethane rubber for interlocking cast glass structures : experimental exploration and validation. / Oikonomopoulou, Faidra; Bristogianni, Telesilla; Barou, Lida; Veer, Fred.

Advances in Engineering Materials, Structures and Systems: Innovations, Mechanics and Applications: Proceedings of the 7th International Conference on Structural Engineering, Mechanics and Computation (SEMC 2019), September 2-4, 2019, Cape Town, South Africa. ed. / Alphose Zingoni. London : CRC Press, 2019. p. 1709-1714.

Research output: Chapter in Book/Conference proceedings/Edited volumeConference contributionScientificpeer-review

Harvard

Oikonomopoulou, F, Bristogianni, T, Barou, L & Veer, F 2019, Dry interlayers out of cast polyurethane rubber for interlocking cast glass structures: experimental exploration and validation. in A Zingoni (ed.), Advances in Engineering Materials, Structures and Systems: Innovations, Mechanics and Applications: Proceedings of the 7th International Conference on Structural Engineering, Mechanics and Computation (SEMC 2019), September 2-4, 2019, Cape Town, South Africa. CRC Press, London, pp. 1709-1714, The Seventh International Conference On Structural Engineering, Mechanics And Computation, Capetown, South Africa, 2/09/19. https://doi.org/10.1201/9780429426506

APA

Oikonomopoulou, F., Bristogianni, T., Barou, L., & Veer, F. (2019). Dry interlayers out of cast polyurethane rubber for interlocking cast glass structures: experimental exploration and validation. In A. Zingoni (Ed.), Advances in Engineering Materials, Structures and Systems: Innovations, Mechanics and Applications: Proceedings of the 7th International Conference on Structural Engineering, Mechanics and Computation (SEMC 2019), September 2-4, 2019, Cape Town, South Africa (pp. 1709-1714). CRC Press. https://doi.org/10.1201/9780429426506

Vancouver

Oikonomopoulou F, Bristogianni T, Barou L, Veer F. Dry interlayers out of cast polyurethane rubber for interlocking cast glass structures: experimental exploration and validation. In Zingoni A, editor, Advances in Engineering Materials, Structures and Systems: Innovations, Mechanics and Applications: Proceedings of the 7th International Conference on Structural Engineering, Mechanics and Computation (SEMC 2019), September 2-4, 2019, Cape Town, South Africa. London: CRC Press. 2019. p. 1709-1714 https://doi.org/10.1201/9780429426506

Author

Oikonomopoulou, Faidra ; Bristogianni, Telesilla ; Barou, Lida ; Veer, Fred. / Dry interlayers out of cast polyurethane rubber for interlocking cast glass structures : experimental exploration and validation. Advances in Engineering Materials, Structures and Systems: Innovations, Mechanics and Applications: Proceedings of the 7th International Conference on Structural Engineering, Mechanics and Computation (SEMC 2019), September 2-4, 2019, Cape Town, South Africa. editor / Alphose Zingoni. London : CRC Press, 2019. pp. 1709-1714

BibTeX

@inproceedings{de0f5aeaf48e4d9280d4b30f2694389d,
title = "Dry interlayers out of cast polyurethane rubber for interlocking cast glass structures: experimental exploration and validation",
abstract = " A novel, reversible structural system comprising interlocking, dry-assembled cast glass components is currently being developed at the TU Delft Glass & Transparency Lab. This paper, in continuation of the research conducted by (Oikonomopoulou et al. 2018a), investigates the mechanical properties of different materials that function as dry interlayers for interlocking cast glass structures. The interlayers should be preferably transparent, able to be pre-formed to the desired shapes, and resistant to UV-radiation-induced colour shifts, long-term compressive loads and creep. Based on the above criteria, polyurethane (PU) rubber with a shore hardness between 60A - 80A is chosen as the most suitable material. Accordingly, different readily available PU interlayers are selected and cast in the desired shape. Each interlayer is introduced between two interlocking osteomorphic cast glass components (bricks) and the assembly is tested under compression in series of 3 specimens. The experiments indicate that for the harder interlayer variants, failure mainly occurs due to peak stresses occurring at the shortest section of the brick, where the manufacturing tolerances of the concave-convex surface are the highest, leading to mismatch, i.e. incomplete contact at that area of the interlayer with the glass units. The stiffer interlayers further contribute to the failure due to the increased shear stresses induced at the edges of the interlocking surface while they are deforming. This is evident by the radial breaking pattern of the failed glass blocks. Interlayer variants with low tear resistance fail due to the perforation of the interlayer leading to glass-to-glass contact. Still, all specimens with interlayer in between presented a considerably higher failure stress than an assembly with no interlayer, highlighting the critical contribution of the PU to the structural performance of the system.",
keywords = "structural glass, interlocking components, glass brick, cast glass, interlayer, building system, glass structure",
author = "Faidra Oikonomopoulou and Telesilla Bristogianni and Lida Barou and Fred Veer",
note = "Accepted Author Manuscript; The Seventh International Conference On Structural Engineering, Mechanics And Computation, SEMC 2019 ; Conference date: 02-09-2019 Through 04-09-2019",
year = "2019",
doi = "10.1201/9780429426506",
language = "English",
isbn = "978-1-138-38696-9",
pages = "1709--1714",
editor = "Alphose Zingoni",
booktitle = "Advances in Engineering Materials, Structures and Systems: Innovations, Mechanics and Applications",
publisher = "CRC Press",
url = "http://www.semc.uct.ac.za/",

}

RIS

TY - GEN

T1 - Dry interlayers out of cast polyurethane rubber for interlocking cast glass structures

T2 - The Seventh International Conference On Structural Engineering, Mechanics And Computation

AU - Oikonomopoulou, Faidra

AU - Bristogianni, Telesilla

AU - Barou, Lida

AU - Veer, Fred

N1 - Accepted Author Manuscript

PY - 2019

Y1 - 2019

N2 - A novel, reversible structural system comprising interlocking, dry-assembled cast glass components is currently being developed at the TU Delft Glass & Transparency Lab. This paper, in continuation of the research conducted by (Oikonomopoulou et al. 2018a), investigates the mechanical properties of different materials that function as dry interlayers for interlocking cast glass structures. The interlayers should be preferably transparent, able to be pre-formed to the desired shapes, and resistant to UV-radiation-induced colour shifts, long-term compressive loads and creep. Based on the above criteria, polyurethane (PU) rubber with a shore hardness between 60A - 80A is chosen as the most suitable material. Accordingly, different readily available PU interlayers are selected and cast in the desired shape. Each interlayer is introduced between two interlocking osteomorphic cast glass components (bricks) and the assembly is tested under compression in series of 3 specimens. The experiments indicate that for the harder interlayer variants, failure mainly occurs due to peak stresses occurring at the shortest section of the brick, where the manufacturing tolerances of the concave-convex surface are the highest, leading to mismatch, i.e. incomplete contact at that area of the interlayer with the glass units. The stiffer interlayers further contribute to the failure due to the increased shear stresses induced at the edges of the interlocking surface while they are deforming. This is evident by the radial breaking pattern of the failed glass blocks. Interlayer variants with low tear resistance fail due to the perforation of the interlayer leading to glass-to-glass contact. Still, all specimens with interlayer in between presented a considerably higher failure stress than an assembly with no interlayer, highlighting the critical contribution of the PU to the structural performance of the system.

AB - A novel, reversible structural system comprising interlocking, dry-assembled cast glass components is currently being developed at the TU Delft Glass & Transparency Lab. This paper, in continuation of the research conducted by (Oikonomopoulou et al. 2018a), investigates the mechanical properties of different materials that function as dry interlayers for interlocking cast glass structures. The interlayers should be preferably transparent, able to be pre-formed to the desired shapes, and resistant to UV-radiation-induced colour shifts, long-term compressive loads and creep. Based on the above criteria, polyurethane (PU) rubber with a shore hardness between 60A - 80A is chosen as the most suitable material. Accordingly, different readily available PU interlayers are selected and cast in the desired shape. Each interlayer is introduced between two interlocking osteomorphic cast glass components (bricks) and the assembly is tested under compression in series of 3 specimens. The experiments indicate that for the harder interlayer variants, failure mainly occurs due to peak stresses occurring at the shortest section of the brick, where the manufacturing tolerances of the concave-convex surface are the highest, leading to mismatch, i.e. incomplete contact at that area of the interlayer with the glass units. The stiffer interlayers further contribute to the failure due to the increased shear stresses induced at the edges of the interlocking surface while they are deforming. This is evident by the radial breaking pattern of the failed glass blocks. Interlayer variants with low tear resistance fail due to the perforation of the interlayer leading to glass-to-glass contact. Still, all specimens with interlayer in between presented a considerably higher failure stress than an assembly with no interlayer, highlighting the critical contribution of the PU to the structural performance of the system.

KW - structural glass

KW - interlocking components

KW - glass brick

KW - cast glass

KW - interlayer

KW - building system

KW - glass structure

U2 - 10.1201/9780429426506

DO - 10.1201/9780429426506

M3 - Conference contribution

SN - 978-1-138-38696-9

SP - 1709

EP - 1714

BT - Advances in Engineering Materials, Structures and Systems: Innovations, Mechanics and Applications

A2 - Zingoni, Alphose

PB - CRC Press

CY - London

Y2 - 2 September 2019 through 4 September 2019

ER -

ID: 62854891