Preliminary Experimental Investigation on Mechanical Properties of Historical Fibrous Plaster

Zuo, Jiaxu; Mayfield, Sarah; Ozdemir, Anil; Marrow, T. James; Sheil, Brian; Acikgoz, Sinan

doi:10.1007/978-3-031-39603-8_24

RILEM Bookseries

2023

DOI: 10.1007/978-3-031-39603-8_24

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Preliminary Experimental Investigation on Mechanical Properties of Historical Fibrous Plaster

Jiaxu Zuo,

Sarah Mayfield,

Anil Ozdemir

et al.

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2024

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Tensile failure mechanisms of historic fibrous plaster ceiling wads: Experiments at the UK Diamond Light Source

Zuo,

Akcicek,

Nauriyal

et al. 2024

MATEC Web Conf.

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Fibrous plaster (FP) ceilings, prevalent in late 19th- and early 20th-century UK theatres, are suspended using ‘wads’. Wads are hangers made of Plaster of Paris, reinforced with twisted woven jute fabric. Several recent collapses in historic fibrous plaster ceilings have been attributed to tensile failures in wads. To understand the failure mechanisms involved, tensile tests were performed on laboratory-produced wad-like samples at the I12 beamline of the UK Diamond Light Source. The tested samples were designed with a dog bone shape and mounted with clevis-grips at each end, to ensure controlled failures along the gauge length. The beamline offered the opportunity to conduct simultaneous synchrotron X-ray computed tomography (sCT) and diffraction measurements during loading, enabling the monitoring of internal crack formation and strain propagation at the microstructural scale. Simultaneously, acoustic emission (AE) and digital image correlation (DIC) measurements were conducted. Preliminary results from these datasets are discussed in this paper. The datasets will provide useful information to validate the ongoing development of algorithms which can categorise the internal failure mechanisms and damage state of wads using only AE signals.

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Tensile failure mechanisms of historic fibrous plaster ceiling wads: Experiments at the UK Diamond Light Source

Zuo,

Akcicek,

Nauriyal

et al. 2024

MATEC Web Conf.

View full text Add to dashboard Cite

show abstract

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Preliminary Experimental Investigation on Mechanical Properties of Historical Fibrous Plaster

Cited by 1 publication

References 10 publications

Tensile failure mechanisms of historic fibrous plaster ceiling wads: Experiments at the UK Diamond Light Source

Tensile failure mechanisms of historic fibrous plaster ceiling wads: Experiments at the UK Diamond Light Source

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