About the authors
| First name, Middle name, Last name, Scientific degree, Scientific rank, Current position. Full and brief name of the organization, The organization address. | Gilmutdinov T.Z. – post-graduate student Fedorov P.A. – candidate of technical sciences, associate professor Latypov V.M. – doctor of technical sciences, professor E-mail: This e-mail address is being protected from spambots. You need JavaScript enabled to view it Ufa State Petroleum Technological University The organization address: 450062, Russia, Ufa, Kosmonavtov st., 1 |
| Title of the article | Results of researches of the accelerated carbonization of concrete and cement stone in normal temperature and moist conditions of the environment |
| Abstract. | This work is directed on studying of processes of carbonization of samples from a cement stone and fine-grained concrete. The special attention to a choice of a working surface is paid at a impact by carbon dioxide recommendations about a choice of an air-tight covering for control samples are made. Existing methods of an assessment of kinetics of carbonization of concrete are inexact or bulky, with a large number of unknown indicators. The guaranteed term of operation of designs manages to be determined by existing methods not always because of a wide spacing of parameters. Therefore carrying out laboratory researches by modeling of the real environment of operation is an actual task. Researches were conducted on the basis of requirements of GOST P 52804-2007 and EN 13295:2004, special advanced installation, in the conditions of 5 % concentration of carbon dioxide of the environment and relative humidity of 75 % of air. Processing of results took place by means of statistical methods of processing of results. Because of researches data on kinetics of carbonization of samples with a different density from fine-grained concrete and a cement stone in the conditions of 5 % concentration of carbon dioxide were received at a normal temperature and moist mode of the environment, settlement dependences of depth of carbonization on time are received for each series of samples. On the basis of the conducted researches recommendations about a choice of a working surface of samples for an impact are made by carbon dioxide. |
| Keywords. | durability of construction designs, carbon dioxide, carbonization, concrete, cement stone, reinforced concrete, mathematical model of corrosion. |
| For citations: | Gilmutdinov T.Z., Fedorov P.A., Latypov V.M. Results of researches of the accelerated carbonization of concrete and cement stone in normal temperature and moist conditions of the environment // Izvestiya KGASU. 2016. №1(35) P.155-164. |
