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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Veer, Frederic
Delft University of Technology
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (25/25 displayed)
- 2024New insights into the interpretation of the results of four point bending tests on float glasscitations
- 2023A Novel Method for the Non-Destructive Assessment of Strength Degradation and Re-Use Potential of Weathered Float Glass From Facadescitations
- 2022Effects of composition on the durability and weathering of flat glasscitations
- 2021Thermal, optical and mechanical properties of new glass compositions containing fly ash
- 2021On the flexural strength and stiffness of cast glasscitations
- 2020The Application of Waste Float Glass, Recycled in Structural Beams made with the Glass Casting Methodcitations
- 2020Investigating the flexural strength of recycled cast glasscitations
- 2019Dry interlayers out of cast polyurethane rubber for interlocking cast glass structures
- 2019Limestone and Calcined Clay-Based Sustainable Cementitious Materials for 3D Concrete Printingcitations
- 2019Feasibility of Using Low CO2 Concrete Alternatives in Extrusion-Based 3D Concrete Printingcitations
- 2019The Effect of Viscosity-Modifying Admixture on the Extrudability of Limestone and Calcined Clay-Based Cementitious Material for Extrusion-Based 3D Concrete Printingcitations
- 2019The effect of manufacturing flaws in the meso-structure of cast glass on the structural performancecitations
- 2018Interlocking cast glass components, Exploring a demountable dry-assembly structural glass system
- 2018Innovative Glass Recipes Containing Industrial Waste Materials
- 2018New phosphate glasses containing industrial waste and their applications for building engineering
- 2018Structural Strength of Laminated Glasscitations
- 2018Design and Experimental Testing of All Glass Sandwich Panelscitations
- 2018An overview of some recent developments in glass science and their relevance to quality control in the glass industry
- 2018A Re-evaluation of the Physiochemistry of Glass on the Basis of Recent Developments and its Relevance to the Glass Industrycitations
- 2018A Novel, Demountable Structural Glass System Out of Dry-Assembly, Interlocking Cast Glass Componentscitations
- 2017Design and experimental testing of the bundled glass columncitations
- 2017Production and Testing of Kiln-cast Glass Components for an Interlocking, Dry-assembled Transparent Bridge
- 2017Engineering the bundled glass column: From the design concept to full-scale experimental testing
- 2016Developing the bundled glass columncitations
- 2016Improving the engineering strength of heat strengthened glass
Places of action
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article
A Novel Method for the Non-Destructive Assessment of Strength Degradation and Re-Use Potential of Weathered Float Glass From Facades
Abstract
Lack of knowledge about the properties of weathered (used) glass is currently a major barrier to glass reuse. This results in probably unnecessary recycling or down-cycling of architectural glass at the end of life. Avoiding this creates a significant opportunity to reduce resource depletion and decarbonize the built environment. This can be done by developing an optical non-destructive test method that estimates the strength of naturally weathered glass by characterizing surface flaws. This allows excessively damaged glass panels to be removed for surface repair or recycling. Specimens were made from 50+-year-old monolithic flat glass taken from a façade in the Hague, Netherlands, where it was exposed to salt in the air, water, cleaning, and abrasion from wind-driven dust and sand particles. The specimens were examined using a microscope and a handheld optical profilometer to determine surface flaw characteristics. The glass specimens were then tested using a ring-on-ring (coaxial double ring) setup. Similar tests were also conducted on new as-received float glass to provide a benchmark. Both the indoor-facing and outdoor-facing sides of the weathered glass and the air and tin side of the new glass were tested. A statistical analysis of the test results was made using conventional Weibull statistics. The results show that after 50+ years of natural aging the strength of the glass is significantly reduced and that the non-destructive scanning method trialed in this study can locate and determine in many cases the size of critical surface defects thereby allowing for direct safe re-use of 70+% of the glass. The handheld optical profilometer can identify severe damage on the glass, but further research and software development is needed to improve the accuracy and consistency of the scanning method and to automate this technique for routine/large-scale applications including as a prerequisite for surface repair.