Service behaviour of the self-stressed members reinforced with FRP bars

• Autorzy: Semianiuk Volha , Semianiuk Siarhei , Tur Victar

Identyfikatory

DOI

10.37105/iboa.65

• Języki publikacji: EN

Abstrakty

EN

Fiber reinforced polymer (FRP) bars, as a structural reinforcement, are characterized by the number of advantages, such as: high strength-to-density ratio; absence of corrosion; resistance to the negative influence of the different aggressive mediums. Nevertheless, a wide practical application of such a bars finds an embarrassment because of the law modulus of elasticity (it varies from 30 GPa to 60 GPa), that leads to the development of the excessive crack opening as well as deflections under the loading. To enhance structural performance of the FRP reinforced concrete members, pretensioning of FRP bars can be considered as a good option. Opposite to the concrete members mechanical pretensioning, physico-chemical method of bars pretensioning based on the self-stressing concrete utilizing is considered. Influence of the controlled initial stress-strain state obtained during early age concrete expansion on the mechanical resistance of the self-stressed concrete members reinforced with both steel and FRP bars was studied.

Słowa kluczowe

EN

expansive concrete; FRP bars; self-stress; behavior under loading; failure modes

PL

beton ekspansywny; pręt FRP; zachowanie pod obciążeniem; tryb awaryjny

• Wydawca: Centrum Rzeczoznawstwa Budowlanego Sp. z o.o.
• Czasopismo: Inżynieria Bezpieczeństwa Obiektów Antropogenicznych
• Rocznik: 2020
• Tom: Nr 2
• Strony: 1--10
• Opis fizyczny: Bibliogr. 7 poz., rys., tab.

Twórcy

autor

Semianiuk Volha

• Brest State Technical University

autor

Semianiuk Siarhei

• Brest State Technical University

autor

Tur Victar

• Brest State Technical University

Bibliografia

• 1. Tur V., Herrador M.F., Semianiuk V., Proceedings of the fib Symposium 2017, 8 (2017).
• 2. Semianiuk V., Tur V., Herrador M.F., Paredes M., Constr. Build. Mat. J., 131, 11 (2017).
• 3. Kai-Cheng X., Meng-Cheng C., Fang Y., Open Civil Eng. J., 5, 6 (2011).
• 4. Ito H., Maruyama I., Tanimura M., Sato R., Adv. Concr. Technol. J., 2, 20 (2011).
• 5. Semianiuk V., Herrador M.F., Tur V., Proceedings of the VII Conference ACHE, 10 (2017).
• 6. Semianiuk V., Tur V., Solid States Phenomena J., 272, 6 (2018).
• 7. CNR-DT 203/2006. Guide for the Design and Construction of Concrete Structures Reinforced with Fiber-Reinforced Polymer Bars.

Uwagi

PL

Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2020).