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Fine aggregate is on of the major constituents of concrete which can influence concrete mix design substantially. Various factors such as fine aggregate fineness modulus, moisture content, specific gravity, and silt content affect the mix proportions of concrete. Aggregate Suppliers in Chennai
Aggregate Suppliers in Chennai
Fine aggregate moisture content influences the mix proportion substantially. It specifies the amount of water that may be added to subtracted to the mixture. Mix design of concrete cannot be carried out without specific gravity of fine aggregate, and higher specific gravity produced stronger concrete. Finally, the presence of silt in sand would increase water demand in concrete mixture and may reduce concrete strength. Aggregate Suppliers in Chennai
1. Fineness Modulus
It is one of the factors that influence concrete mix design since it controls the proportion of sand in concrete mixture. The fineness modulus of sand varies from 2 to 4.
2. Moisture Content
It is undeniable that all aggregates contain some moisture based on moisture condition of the storage area and particle porosity. Red Soil suppliers in chennai
Frequently, fine aggregate is in wet condition with surface moisture up to five percent.
3. Specific Gravity
Higher the specific gravity heavier is the sand particles and higher is the density of concrete. In contrary, a lower specific gravity of sand will result in lower density of concrete. The specific gravity of fine aggregates found in Pune region varies from 2.6 to 2.8. M sand suppliers chennai
4. Silt Content
This is found by wet-sieving of sand and material passing 75-micron sieve is classified as silt. This silt affects the workability of concrete, results in higher water/cement ratio and lower strength. The upper limit for 75-micron sieve in case of sand is 3% by weight.
Frequently, fine aggregate is in wet condition with surface moisture up to five percent.
3. Specific Gravity
Higher the specific gravity heavier is the sand particles and higher is the density of concrete. In contrary, a lower specific gravity of sand will result in lower density of concrete. The specific gravity of fine aggregates found in Pune region varies from 2.6 to 2.8. M sand suppliers chennai
4. Silt Content
This is found by wet-sieving of sand and material passing 75-micron sieve is classified as silt. This silt affects the workability of concrete, results in higher water/cement ratio and lower strength. The upper limit for 75-micron sieve in case of sand is 3% by weight.
Frequently, fine aggregate is in wet condition with surface moisture up to five percent.
3. Specific Gravity
Higher the specific gravity heavier is the sand particles and higher is the density of concrete. In contrary, a lower specific gravity of sand will result in lower density of concrete. The specific gravity of fine aggregates found in Pune region varies from 2.6 to 2.8. M sand suppliers chennai
4. Silt Content
This is found by wet-sieving of sand and material passing 75-micron sieve is classified as silt. This silt affects the workability of concrete, results in higher water/cement ratio and lower strength. The upper limit for 75-micron sieve in case of sand is 3% by weight.
Frequently, fine aggregate is in wet condition with surface moisture up to five percent.
3. Specific Gravity
Higher the specific gravity heavier is the sand particles and higher is the density of concrete. In contrary, a lower specific gravity of sand will result in lower density of concrete. The specific gravity of fine aggregates found in Pune region varies from 2.6 to 2.8. M sand suppliers chennai
4. Silt Content
This is found by wet-sieving of sand and material passing 75-micron sieve is classified as silt. This silt affects the workability of concrete, results in higher water/cement ratio and lower strength. The upper limit for 75-micron sieve in case of sand is 3% by weight.
Article Source : The Constructor