Prediction of compression strength of fresh concrete using moisture sensors

Civil Engineering

In the construction industry concrete is the widely used construction material and the quality of concrete is initial stage is uncertain and unpredictable because of various loop holes in the process from material selection till production. However, the other construction material can be justified and verified at the time of purchase the structure requires a specific grade of concrete for the structural adequacy. To get a desire durability of structure in its life span to ensure the quality of concrete in structural members and to get the confidence on it the necessary measurement it will help us to understand the quality in better way. At the experiment analysis is based on the water cement ratio and the temperature in its fresh stage help us to predict the strength of the concrete. The relationship between the water cement ratio and the strength will give us the idea about the strength. To establish the relationship between the water content in the fresh concrete and its 28-day compressive strength which will help to estimate the grade of concrete during its production stage. 35 trials were conducted in the laboratory on various grade of concrete ranging from M-10 to M-50 grade of concrete. It was observed that, we can predict the early strength of concrete by using the established equations. The equation is established between the temperature, Water cement ratio and the strength to establish the relationship Base on the equation it Is possible to predict the strength of the concrete at 28 days base on the temperature, ratio 0f the concrete at its green stage.

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