Corrosion of RC beams during time

• Autorzy: Blikharskyy Yaroslav , Khmil Roman , Blikharskyy Zinoviy

Identyfikatory

DOI

10.2478/cqpi-2019-0042

• Języki publikacji: EN

Abstrakty

EN

This article presented results of impact corrosion on reinforce concrete beams during time with previous loading. Before testing the RC beams were loaded by 37% and 75% from bearing-capacity load of undamaged corrosion beams. There were tested two types of beams. First type beams were tested under force loading action and second type beams were tested under force loading and corrosion action. As an aggressive environment were used the 10% solution of sulfuric acid H2SO4. Such environment takes place in separate chemical manufactures, galvanic workshops, flue pipes of thermal power plants. The results of experimental studies have established that the effect of the aggressive environment with simultaneous loading significantly impairs the stress-strain state of reinforced concrete beams. Bearing capacity due to the yielding of reinforcement bars for specimens with the simultaneous action of aggressive environment and previous loading of 37% and 75% takes place on 51…53 and 58…60 days. The destruction of these specimens, by crushing compressive concrete, at previous loading 37% occurred after 75…79 and at previous loading 75% - after 79…88 days. The history loading does not impact significantly on beams failure, on finite deflections and timing exhaustion bearing capacity since the start of the simultaneous action of aggressive environment and loading.

Słowa kluczowe

EN

corrosion; aggressive environment; reinforced concrete beam

PL

korozja; agresywne środowisko; wzmacnianie belki betonowej

• Wydawca: De Gruyter
• Czasopismo: Quality Production Improvement - QPI
• Rocznik: 2019
• Tom: Vol. 1, Iss. 1
• Strony: 311--318
• Opis fizyczny: Bibliogr. 20 poz., rys., tab.

Twórcy

autor

Blikharskyy Yaroslav

• Lviv Polytechnic National University, Department of Highways and Bridges, 6 Karpinskogo Street, 79013, Lviv, Ukraine

autor

Khmil Roman

• Lviv Polytechnic National University, Department of Building Constructions and Bridges, 6 Karpinskogo Street, 79013, Lviv, Ukraine

autor

Blikharskyy Zinoviy

• Czestochowa University of Technology, Faculty of Civil Engineering, Department of Concrete Structures and Geotechnics, 3 Akademicka Street, 42 200 Czestochowa, Poland

Bibliografia

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Uwagi

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