The Use of Annealed Aluminum Salt Slag to Obtain a High Strength Antiseismic Brick

Authors:  
Rubric:     Theoretical and experimental studies   
Key words: inter-shale clay, burnt salt aluminum slag, earthquake-resistant ceramic brick
Annotation:
Taking into account the reduction of reserves of traditional natural raw materials, it is necessary to find new ways to replace it with different types of waste. The experience of advanced foreign countries has shown the technical feasibility of this area and the use of more as a tool to protect the environment from pollution. In the present work, instead of dehydrated clay, it is proposed to use burnt salt aluminum slag as a otoschitel. Highstrength earthquake-resistant brick M200 was obtained on the basis of inter-shale clay and burnt salt aluminum slag without the use of natural traditional raw materials. Proposed zaparovanny way of dressing aluminum oxide aluminum salt slag. Salt aluminum slags are fired at a temperature of 900-920 ° C to the content of losses during calcination not more than 4%. After firing of salt aluminum slags in the temperature range 900-920 ° C, their chemical composition was significantly enriched with aluminum oxide. The resulting ceramic brick corresponded to the brand 200, from which, thanks to the use of burnt salt aluminum slags, it is possible to erect bearing walls of the lower floors of buildings of higher floors (15 floors or more). Innovative proposals have been developed for the use of waste products: inter-shale clay and burnt salt aluminum slag in the production of high-strength ceramic earthquake-resistant bricks.
High-strength earthquake-resistant brick M175-200 was obtained on the basis of inter-shale clay and burnt salt aluminum slag without the use of natural traditional raw materials. The burnt salt aluminum slag containing more than 70% A1 2O3 increases durability and frost resistance of products of a ceramic brick. The absolute advantage of the use of multi-tonnage waste of salt aluminum slag and inter-shale clay – waste oil shale is unloading the environmental situation.