STUDY ON THE EFFECT OF REACTIVE POWDER CONCRETE ON THE COMPRESSIVE STRENGTH AND WORKABILITY
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Abstract
The low tensile strength of concrete has many undesirable consequences for its performance as an efficient building material. This includes the need to support rebars as well as the requirement for thick-walled components that are beautiful and consume large quantities of aggregates. The total is an increasingly scarce resource in many urban areas. Reactive powder concrete(RPC) is a new technology that overcomes these limitations. Avoid aggregation in RPC to overcome the associated issues. RPC consists of very fine powders (cement, sand, quartz powder and silica fume), steel fibers (optional) and superplasticizers. The superplasticizer used in preferred dosing reduces the processability of W/C ratio in concrete. A verydense matrix is obtained by optimizing the packaging of dry, finely powdered particles. The low porosity of RPC also makes it very durable. RPCs offer the possibility of using reinforced concrete structures made of elongated structures with improved seismic response, and pseudoplastic cold ceramics can therefore also be used in other fields.The paper focuses mainly on the workability of reactive powder concrete that can affect the strength of reactive powder concrete.The main objective of our project is to study the effects on the compression strength of the RPC by changing or making variations to the dosage of the concrete componentssuch as silica fume and superplasticizers.
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