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Abstract.The results of tests on samples of foam concrete with a hardening accelerator are presented. As the setting and hardening accelerators the following chemical additives were used: Universal-P-2 and Asilin 12. All additives were added into the insulating foam concrete mix of brand D 400 in the amount of 0.5% to 1% of cement weight. By using of additives in foam concrete technology -hardening accelerators Asilin 12 and Universal P2 in the amount of 0.5 % -and 1.0% by weight of cement foam concrete structure formation is accelerated and increases strength by 60%. For the industrial preparation of foam concrete mix technological regulations are worked out, in which it is recommended to use additives -hardening accelerators Asilin 12 in the amount of 0.5% and Universal P2 -1% of cement weight.

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