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Abstract
This research aims to determine the mechanical, chemical, and physical properties of old concrete used in the former Leipziger Palace in Wrocław, Poland. The cylindrical specimens were taken from the basement concrete walls using a concrete core borehole diamond drill machine. The determination of the durability and strength of old concrete was based on specified chosen properties of the old concrete obtained through the following set of tests: measurements of dry density, tests of water absorption, specification of concrete compressive strength and frost resistance, determination of the modulus of elasticity, measurement of the pH value, determination of water-soluble chloride salts and sulphate ions, and X-ray diffraction analyses. Large dispersions of the compressive strength (10.4 MPa to 34.2 MPa), density (2049 kg/m3 to 2205 kg/m3), water absorption (4.72% to 6.55%), and stabilized secant modulus of elasticity (15.25 Gpa to 19.96 GPa) were observed. The paper is intended to provide scientists, civil engineers, and designers with guidelines for examining and assessing the long-term durability of old concrete, and also extending knowledge in the field of archaeological restoration and the protection of old concrete structures.
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- Publication version
- Accepted or Published Version
- DOI:
- Digital Object Identifier (open in new tab) 10.3390/ma15020673
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- Category:
- Articles
- Type:
- artykuły w czasopismach
- Published in:
-
Materials
no. 15,
ISSN: 1996-1944 - Language:
- English
- Publication year:
- 2022
- Bibliographic description:
- Ambroziak A., Haustein E.: Properties of Old Concrete Built in the Former Leipziger Palace// Materials -Vol. 15,iss. 2 (2022), s.673-
- DOI:
- Digital Object Identifier (open in new tab) 10.3390/ma15020673
- Sources of funding:
-
- Free publication
- Verified by:
- Gdańsk University of Technology
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