METHOD OF PREPARING CONCRETE MIX

FIELD: manufacture of building materials. SUBSTANCE: in manufacture of reinforced concrete parts from dry and low-mobility concrete mixes using iron frameworks, concrete mixes are supplemented by 0.8-2.5 wt % (calculated for solid materials) of compound additive. Additive is made up of plasticizer (...

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Bibliographische Detailangaben
Hauptverfasser: KVASHA V.B, TSYRO V.V, TARABUTKIN E.V, BOBOSHKO V.I
Format: Patent
Sprache:eng
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Zusammenfassung:FIELD: manufacture of building materials. SUBSTANCE: in manufacture of reinforced concrete parts from dry and low-mobility concrete mixes using iron frameworks, concrete mixes are supplemented by 0.8-2.5 wt % (calculated for solid materials) of compound additive. Additive is made up of plasticizer (glycol and Cellosolve production waste) based on crude polyglycols, hardening activator (sulfate-containing alkali metal salts), and framework corrosion inhibitor (sodium nitrate). EFFECT: improved reinforced concrete characteristics. 4 cl, 5 tbll