Dry Lean Concrete Mix Proportions

Dlc or dry lean concrete is cement concrete with low slump value to be laid for rigid pavement over sub base and rolled compacted by mechanical means.

Dry lean concrete mix proportions.

The dry lean concrete is compacted using a 10 to 12t vibrating roller in the field. Dry lean semi dry mix cement bound material consisting of cement 4 20mm stone graded sand and minimal water. The mix shall be proportioned with a maximum aggregate cement ratio of 15. Concrete mix ratios are the proportions of concrete components such as cement sand aggregates and water.

The less water you use to mix the concrete somewhat dry but workable the stronger the concrete mix. Abs volume 667 3 15 x 62 4 cement 667 3 15 3 39 total cementious 667 miller stone 1590 2 6 9 80. Dry lean concrete is an important part of the modern rigid floor. This is lower than specified maximum w c ratio value of 0 50.

Dry lean semi dry mix cement bound material consisting of cement 4 20mm stone graded sand and minimal water. Target average flexural strength for all a b and c mixes s s j a o 4 5 1 65 x 0 5 5 3 n mm 2 at 28 days age. However building codes provides nominal and standard concrete mix ratios for various construction works based on experience and testing. By measuring the cement stone and sand you will have a consistent concrete mix throughout your entire project.

Accurate concrete mixing ratios can be achieved by measuring the dry materials using buckets or some other kind of measuring device. Mix proportion of dry lean concrete. The numbers denote the ratio of all in stone and sand. The concrete mix proportions i e.

1 22 2014 6 basic concrete mix design materials pounds of material s g. Aggregate to cement ratio and moisture content for the dlc to be manufactured with ppc so that the requirement. These mix ratios are decided based on type of construction and mix designs. The mix design for dlc is not similar to the conventional concrete mix.

For mix a and b free w c ratio with crushed aggregate and required average flexural target strength of 5 3 n mm 2 at 28 days from fig. The current practices of the construction of cement concrete road for highways in india require a layer of dry lean concrete dlc as a base course over which pavement quality concrete slabs rest. 1 curve d figure shown in the end found to be 0 42.