title: ÐÐ¾Ð´Ð¸ÑÐ¸ÐºÐ°ÑÐ¸Ñ ÑÐ»Ð°ÐºÐ¾Ð² Ð¼ÐµÑÐ°Ð»Ð»ÑÑÐ³Ð¸ÑÐµÑÐºÐ¾Ð³Ð¾ Ð¿ÑÐ¾Ð¸Ð·Ð²Ð¾Ð´ÑÑÐ²Ð° Ñ ÑÐµÐ»ÑÑ Ð¸Ñ Ð¿ÑÐ¸Ð¼ÐµÐ½ÐµÐ½Ð¸Ñ Ð² ÑÑÑÐ¾Ð¸ÑÐµÐ»ÑÐ½Ð¾Ð¹ Ð¸Ð½Ð´ÑÑÑÑÐ¸Ð¸
title: Ð²ÑÐ¿ÑÑÐºÐ½Ð°Ñ ÐºÐ²Ð°Ð»Ð¸ÑÐ¸ÐºÐ°ÑÐ¸Ð¾Ð½Ð½Ð°Ñ ÑÐ°Ð±Ð¾ÑÐ° Ð¼Ð°Ð³Ð¸ÑÑÑÐ°
titleType: Subtitle
title: Modification of metallurgical slags for the purpose of their use in the building industry
Creators: name: ÐÐ°ÑÐ³ÑÑÐ¾Ð², ÐÑÐºÐ°Ð½Ð´Ð°Ñ
Publisher: name: Ð¡Ð°Ð½ÐºÑ-ÐÐµÑÐµÑÐ±ÑÑÐ³ÑÐºÐ¸Ð¹ Ð¿Ð¾Ð»Ð¸ÑÐµÑÐ½Ð¸ÑÐµÑÐºÐ¸Ð¹ ÑÐ½Ð¸Ð²ÐµÑÑÐ¸ÑÐµÑ ÐÐµÑÑÐ° ÐÐµÐ»Ð¸ÐºÐ¾Ð³Ð¾
Year: 2022
Subjects: ÐÐµÑÐ°Ð»Ð»ÑÑÐ³Ð¸Ñ
Ð¨Ð»Ð°ÐºÐ¸ Ð¼ÐµÑÐ°Ð»Ð»ÑÑÐ³Ð¸ÑÐµÑÐºÐ¸Ðµ
Ð¤Ð¾ÑÑÐ¾Ñ
Ð´Ð¾Ð¼ÐµÐ½Ð½ÑÐ¹ Ð³ÑÐ°Ð½ÑÐ»Ð¸ÑÐ¾Ð²Ð°Ð½Ð½ÑÐ¹ ÑÐ»Ð°Ðº
Ð°ÐºÑÐ¸Ð²Ð½ÑÐµ Ð¼Ð¸Ð½ÐµÑÐ°Ð»ÑÐ½ÑÐµ Ð´Ð¾Ð±Ð°Ð²ÐºÐ¸
blast-furnace granulated slag
active mineral additives

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description: The topic of the final qualification work "Modification of metallurgical slags for the purpose of their use in the building industry". The purpose of this work was to chemically modify blast furnace granular slag to speed up the process of gaining strength of concrete samples containing more than 20% slag as a cement substitute. The tasks that were solved during the study: 1. an overview of methods for improving the astringent properties of blast-furnace granulated slags; 2. chemical modification of slags with phosphorus-containing compounds, selection of the amount of reagents; 3. studying the influence of modifiers on the rate of strength gain and strength characteristics of the obtained samples Based on ISI SPbPU and IMC RAS, the main work was carried out. The methodology was compiled according to standard methods for testing concretes and its components. Laboratory tests were carried out, in which the influence of various phosphorous additives and different slag quality on the rate of strength gain of concrete mortars was determined. The results of the work will be the interests of metallurgical companies in the recycling of blast furnace slags, the construction industry in an additional form of raw materials for the production of clinker, binder materials, as well as producers of phosphorous compounds in the issue of recycling their own waste. The conducted studies make it possible to conclude on the efficiency of using blast-furnace granulated slags as a binder and their chemical modification.