Działanie chlorków na ulegający dekalcyfikacji zaczyn cementowy

• Autorzy: Słomka-Słupik B. , Zybura A.

Warianty tytułu

EN

Chloride ions action on decalcifing cement paste

• Języki publikacji: PL

Abstrakty

EN

The paper presents the problem of progress diffusion of chloride ions into the hydrated cement paste with simultaneously changing of discontinuities and crystalline phases’ amount depending on the distance from the external layer of the sample as a result of interaction mechanism of ammonium chloride with the paste. Experience confirmed the disappearance of lime phases of the hydrated cement paste and capillaries widening during NH4Cl diffusion. Friedel’s salt, formed before, and constituting a buffer before reinforcement corrosion, also dissolved during process of pH lowering. The described corrosion process is rapid due to the releasing of ammonia gas from the reaction medium.

Słowa kluczowe

PL

dekalcyfikacja; chlorki; korozja betonu; trwałość; fazy; mikrostruktura

EN

chlorides; corrosion of concrete; durability; phase; microstructure

• Wydawca: Komisja Inżynierii Budowlanej Polskiej Akademii Nauk Oddział w Katowicach
• Czasopismo: Roczniki Inżynierii Budowlanej
• Rocznik: 2016
• Tom: z. 16
• Strony: 5--16
• Opis fizyczny: Bibliogr. 31 poz., rys., wykr., tab.

Twórcy

autor

Słomka-Słupik B.

• Politechnika Śląska, Wydział Budownictwa, Gliwice, Polska

autor

Zybura A.

• Politechnika Śląska, Wydział Budownictwa, Gliwice, Polska

Bibliografia

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