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Тема выпуÑкной квалификационной работы: «ВлиÑние криÑталлообразующих добавок на физико-механичеÑкие ÑвойÑтва бетона». Работа поÑвÑщена иÑÑледованию физико-механичеÑких ÑвойÑтва бетона Ñ Ð¿Ñ€Ð¸Ð¼ÐµÐ½ÐµÐ½Ð¸ÐµÐ¼ криÑталлообразующих добавок. Задачи, которые решали в ходе иÑÑледованиÑ: 1. Ðнализ научной литературы о влиÑнии криÑталлобразующих добавок на физико-механичеÑкие ÑвойÑтва бетона. 2. Выбор иÑпытаний Ð´Ð»Ñ Ð¸ÑÑÐ»ÐµÐ´Ð¾Ð²Ð°Ð½Ð¸Ñ Ñ„Ð¸Ð·Ð¸ÐºÐ¾-механичеÑких ÑвойÑтв бетона. 3. Изготовление образцов Ð´Ð»Ñ Ð¿Ñ€Ð¾Ð²ÐµÐ´ÐµÐ½Ð¸Ñ Ð¸Ñпытаний физико-механичеÑких ÑвойÑтв. 4. Проведение иÑпытаний по определению морозоÑтойкоÑти, водонепроницаемоÑти и прочноÑти. 5. Ðнализ результатов иÑпытаний по определению физико-механичеÑких ÑвойÑтв бетона. ÐкÑпериментальные иÑÑÐ»ÐµÐ´Ð¾Ð²Ð°Ð½Ð¸Ñ Ð¿Ñ€Ð¾Ð²Ð¾Ð´Ð¸Ð»Ð¸ÑÑŒ на базе учебной лаборатории «Ðддитивные технологии и 3D принтинг» Инженерно-Ñтроительного инÑтитута СПБПУ и аккредитованной научно-иÑпытательной лабораторией «ПОЛИТЕХ-СКиМ-ТЕСТ» в ÑоответÑтвии Ñ Ð°Ð¿Ñ€Ð¾Ð±Ð¸Ñ€Ð¾Ð²Ð°Ð½Ð½Ñ‹Ð¼Ð¸ методиками Ñ Ð¸Ñпользованием Ñертифицированного оборудованиÑ. Ð’ ходе иÑпытаний определÑлиÑÑŒ такие физико-механичеÑкие характериÑтики как прочноÑть на Ñжатие и раÑÑ‚Ñжение при изгибе, морозоÑтойкоÑть и водонепроницаемоÑть бетона. Ð”Ð»Ñ Ð¸Ñпытаний по определению морозоÑтойкоÑти иÑпользовалÑÑ Ð¿Ñ€Ð¾Ð³Ñ€Ð°Ð¼Ð¼Ð½Ð¾-техничеÑкий ÐºÐ¾Ð¼Ð¿Ð»ÐµÐºÑ Â«ÐšÐžÐТÐÐ - КонÑоль». По результатам ÑкÑпериментальных иÑÑледований Ñделаны выводы, что криÑталлообразующие добавки показывают возраÑтание и ÑтойкоÑть бетона против коррозионного и морозного разрушениÑ, что ÑвидетельÑтвует о возможноÑти значительного Ð¿Ð¾Ð²Ñ‹ÑˆÐµÐ½Ð¸Ñ Ð´Ð¾Ð»Ð³Ð¾Ð²ÐµÑ‡Ð½Ð¾Ñти конÑтрукций.
The subject of the graduate qualification work is "The effect of crystal-forming additives on the physical and mechanical properties of concrete". The work is devoted to the study of the physical and mechanical properties of concrete with the use of crystal-forming additives. The research set the following goals: 1. Analysis of scientific literature on the effect of crystal-forming additives on the physical and mechanical properties of concrete. 2. Selection of tests for the study of physical and mechanical properties of concrete. 3. Production of samples for testing physical and mechanical properties. 4. Conducting tests to determine frost resistance, water resistance and strength. 5. Analysis of test results to determine the physical and mechanical properties of concrete. Experimental studies were conducted on the basis of the educational laboratory "Additive Technologies and 3D Printing" of the SPBPU Institute of Civil Engineering and the accredited scientific testing laboratory "POLYTECH-SKIM-TEST" in accordance with proven methods using certified equipment. During the tests, such physical and mechanical characteristics as compressive and tensile strength during bending, frost resistance and water resistance of concrete were determined. For tests to determine frost resistance, the software and hardware complex "KONTAR - Console" was used. According to the results of experimental studies, it was concluded that crystal-forming additives show an increase and resistance of concrete against corrosion and frost destruction, which indicates the possibility of a significant increase in the durability of structures.
frost resistance, пÑоÑноÑÑнÑе ÑвойÑÑва, strenght properties, water resistance, ÐеÑон, моÑозоÑÑойкоÑÑÑ, cement stone, ÑеменÑнÑй каменÑ, crystal-forming additives, кÑиÑÑаллообÑазÑÑÑие добавки, durability, долговеÑноÑÑÑ, physical and mechanical properties, водонепÑониÑаемоÑÑÑ
frost resistance, пÑоÑноÑÑнÑе ÑвойÑÑва, strenght properties, water resistance, ÐеÑон, моÑозоÑÑойкоÑÑÑ, cement stone, ÑеменÑнÑй каменÑ, crystal-forming additives, кÑиÑÑаллообÑазÑÑÑие добавки, durability, долговеÑноÑÑÑ, physical and mechanical properties, водонепÑониÑаемоÑÑÑ
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