On optimizing the rationing of stone structures durability

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Abstract

Stone structures design regulatory documents were analyzed. It is shown that the current edition of SP 15.13330.2020 “Masonry and reinforced masonry structures” implicitly expresses structures durability requirements. They mainly come down to requirements for raw materials frost resistance and practically do not take into account operating conditions and methods of structures protecting. Proposals have been made to optimize SP 15.13330 by highlighting the section “Durability”, introducing a classification of masonry operating “microconditions” and a concept of secondary protection measures excepting unconditional prohibitions on materials usage only based on physical properties.

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About the authors

G. I. Grinfel’d

National Association of Autoclaved Aerated Concrete Manufacturers

Author for correspondence.
Email: naag@gazo-beton.org

Engineer

Russian Federation, Office 7, room 38-N, litera A, 5, Udelny Prospekt, St. Petersburg, 194017

M. D. Poddubnyak

National Association of Autoclaved Aerated Concrete Manufacturers

Email: naag@gazo-beton.org

Engineer 

Russian Federation, Office 7, room 38-N, litera A, 5, Udelny Prospekt, St. Petersburg, 194017

References

  1. SP 15.13330.2020. Masonry and reinforced masonry structures. Moscow: Standartinform. 2021. 88 p. (In Russian).
  2. SP 327.1325800.2017. Exterior masonry walls with brick veneer. Rules of design, operation and repair. Moscow: Мinstroy RF. 2017. 33 p. (In Russian).
  3. Zhironkin P.V., Gerashchenko V.N., Grinfel’d G.I. History and Prospects of Ceramic Building Materials Industry in Russia. Stroitel’nye Materialy [Construction Materials]. 2012. No. 5, pp. 13–18. (In Russian). EDN: PATCKN
  4. SP 28.13330.2017. Protection against corrosion of construction. Moscow: Мinstroy RF. 2017. 110 p. (In Russian).
  5. EN 1996-2:2006 Eurocode 6. Design of masonry structures – Part 2: Design considerations, selection of materials and execution of masonry. Brussels, 2006. 37 p.
  6. SP 71.13330.2017. Insulation and finish coatings. Moscow: Мinstroy RF. 2017. 77 p. (In Russian).
  7. STO 00044807-001–2006. Thermal protection properties of building enclosing structures. Moscow: FSUE “Center of design production in” (FSUE CPP), 2006. 64 p. (In Russian).

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2. Fig. 1. Design solutions influence on susceptibility of masonry to moisture: а – coping with overhang; b – coping without overhang (simple capping); с – sill with overhang; d – sill without overhang (flush sill)

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3. Fig. 2. Exposure of unprotected masonry to moisture in different positions in the structure: 1 – flush eaves; 2 – balcony; 3 – coping; 4 – render; 5 – parapet; 6 – overhanging eaves; 7 – inspection chamber; 8 – freestanding wall; 9 – paving; 10 – earth retaining wall

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