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Metal quality of the 19th-century construction beams
https://doi.org/10.22349/1994-6716-2025-122-2-43-49
Abstract
The structure and properties of the metal of construction beams in buildings of the 19th century have been studied: the I-beam as a load-bearing element of the Monier brick vault and the rail as the base of the balcony. The metal of the I-beam was found as low-carbon steel, moderately contaminated with impurities. The mechanical properties of the metal are sufficiently high at the ambient temperature. However due to the great amount of the carbon macrosegregations the metal is prone to cold brittleness. The rail is made in England from the puddling iron. The metal is characterized by brittleness and it contains numerous non-metal inclusions enriched with phosphorous.
Keywords
steel,
iron,
19th century,
buildings,
vaults,
balcony,
I-beam,
rail,
properties,
structure,
brittleness
Supporting agencies: Experimental studies were performed on the equipment of the Center for Collective Use “Composition, Structure and Properties of Structural and Functional Materials” of the NRC “Kurchatov Institute” – CRISM “Prometey”.
About the Authors
A. I. Igolkin
Center of Scientific and Technical Services “Prometey”
Russian Federation
Russian Federation
Cand Sc. (Eng)
2n/29A Bakunin St, 191144 St Petersburg
N. V. Lebedeva
NRC “Kurchatov Institute” – CRISM “Prometey”
Russian Federation
Russian Federation
Cand Sc. (Eng)
49 Shpalernaya St, 191015 St Petersburg
S. N. Petrov
NRC “Kurchatov Institute” – CRISM “Prometey”
Russian Federation
Russian Federation
Dr Sc. (Eng)
49 Shpalernaya St, 191015 St Petersburg
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Review
For citations:
Igolkin A.I., Lebedeva N.V., Petrov S.N. Metal quality of the 19th-century construction beams. Voprosy Materialovedeniya. 2025;(2(122)):43-49. (In Russ.) https://doi.org/10.22349/1994-6716-2025-122-2-43-49
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