In mix design, the water to cementitious materials ratio, wcm, is often used synonymously with water to cement ratio wc. The other factor affecting the strength of concrete at a given age and cured at a prescribed temperature is the degree of compaction. The ratio of aggregate to sand to cement is an important factor in determining the compressive strength of the. The four basic ingredients for making concrete are. In this channel you can learn about civil engineering update videos which are using generally in. Concrete mix ratio is a vital topic in concrete mix design. Some additional things to consider when finding a suitable mix design include but are in no way limited to the following.
Pdf as for all materials, the performance of concrete is determined by its microstruc ture. This is a free online tool by to calculate material consumption for a concrete structure i. To make concrete there are four basic materials you need. Traditionally, the water to cement ratio referred to the ratio of water to portland cement or water to blended cement. The advantages of concrete mix design is that it gives the right proportions of materials, thus making the concrete use economical in achieving required strength of structural members. According to abrahams law the strength of fully compacted concrete is inversely proportional to the water cement ratio.
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