Abstract
The main aim of this research is the investigation of effect of the composite additive (a mixture of hyperplasticizer and microsilica) CM 02-10 (10 % of MS and 0.2 % of HP) on strength characteristics of concrete. Interaction of concrete with plasticizing and siliceous additives individually depending on their percentage content by the weight of cement is also investigated. Results of experiments with such additives on the fluidity of concrete mix and strength of concrete are presented. Additives used in the experiment: superplasticizer S-3, fused microsilica FMS-85, hyperplasticizer PENTAFLOW AC 2, and composite additive CM 02-10. In this paper results of tests of samples aged 3, 7 and 28 days are presented.
Highlights
The feature of life nowadays is an erection of different high-rise and unique buildings and constructions [1]
It is extremely important to determine which of these additives could provide the highest mobility and strength to a concrete mix
After analyzing the effect of various additives on the concrete strength characteristics, it is possible to find out the following conclusions: 1. By adding CM 02-10 to a concrete mix we could conclude, that this additive has the most positive influence on the strength characteristics of the cement beams
Summary
The feature of life nowadays is an erection of different high-rise and unique buildings and constructions [1]. Materials, concrete in particular, have to solve many problems which arise in the process of building. Filler materials-modifiers were aimed to help in solving these problems. An advisability of using filler materials-modifiers comes from technical requirements and economic gain, which includes qualitative characteristics of materials adding to concrete or mortar, in condition of saving expensive concrete. The main goal of this research is to compare known plasticizing and siliceous additives with the new combined additive CM 02-10 in their impact on the concrete properties. It is extremely important to determine which of these additives could provide the highest mobility and strength to a concrete mix
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