TECHICAL Series MATHEMATICS • INFORMATICS • PHYSICS Series PHILOLOGY Series ECONOMIC SCIENCES Sereies EDUCATIONAL SCIENCES Series LAW AND SOCIAL SCIENCES Series
Sulphur Attack, Key Factor in Concrete Works Safety and Environment Protection
(* Directia Apelor Prut, SGA Botosani, 23, Str. Nicolae Iorga, 710200 e-mail: adriana_burlacu56@yahoo.com ** Universitatea Tehnică "Gheorghe Asachi? din Iasi, Bdul. Dimitrie Mangeron nr.67, 700050 e-mail: oblagoi@yahoo.com *** "Apa Grup? S.A., 3 Str. Octav Onicescu, 710117, Botosani e-mail: maricelgeorgescu@yahoo.com)
Vol LX • No. 4/2008
Adriana Burlacu *, Olimpia Blăgoi **, Maricel Georgescu ***
* Directia Apelor Prut, SGA Botosani, 23, Str. Nicolae Iorga, 710200
e-mail: adriana_burlacu56@yahoo.com
** Universitatea Tehnică "Gheorghe Asachi? din Iasi, Bdul. Dimitrie Mangeron nr.67, 700050
e-mail: oblagoi@yahoo.com
*** "Apa Grup? S.A., 3 Str. Octav Onicescu, 710117, Botosani
e-mail: maricelgeorgescu@yahoo.com

 Keywords   sulphur corrosion, hydraulic parameters, premises and types of concrete corrosion

 Abstract
The main aspects in correlation with concrete works degradation as the origin of aquatic environment salinity due to sulphur, the premises and types of concrete corrosion, and the sulphur corrosion are presented. This study focused on the drinkwater and wastewater treatment constructions in concrete that are exposed to corrosion induced by the sulphur compounds. The theoretical aspects constituted the base of a study carried-out on sulphur corrosion and its evolution at concrete works of drinking water treatment plant in Botosani County, in Northeast Romania, during the fifteen-year period and also the wastewater concrete works. The results were useful to choose the opportune feed-before measures for constructions, people and environment.

 Rezumat
Se prezintă principalele aspecte legate de degradarea construcţiilor din beton precum originea salinităţii produse de sulf în mediului acvatic, premizele şi tipurile de coroziune a betonului, coroziunea produsă de sulf. Atacul sulfului asupra betoanelor duce la modificări fizico-chimice defavorabile. Particularizarea se îndreaptă spre construcţiile din beton pentru tratarea ape potabile şi apei uzate care sunt expuse la coroziunea produsă de compuşii sulfului. Aspectele teoretice au stat la baza unui studiu efectuat timp de 15 ani, privind coroziunea construcţiilor din beton din staţia de tratare a apei din Botoşani, care a fost oportun pentru alegerea măsurilor de reabilitare a construcţiilor, de protecţie a populaţiei şi mediului.



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