Influence of gaize and superplasticizer on the properties of cement

Abstract

Influence of gaize and superplasticizer on the properties of cement

Korovkin M.O., Eroshkina N.A.

Incoming article date: 08.12.2016

The paper describes the results of studies on the effect of the dosage of ground gaize of Penza field and polycarboxylate superplasticizer on the properties of mortar constituent of concrete prepared with the use blended cements, containing Portland cement, fly ash, blast furnace slag and silica fume. The study established the equations the bleeding and segregation of mortar constituent of concrete, as well as its strength at different times depending on dosage of superplasticizer and components of blended binder. The negative influence of gaize on the strength greatly reduces by decreasing the water-cement ratio.

Keywords: blended cement, gaize, blast furnace slag, fly ash, superplasticizer, water requirement, slump flow of mixture, strength