High Strength Concrete Mix Design Ppt

Guide to quality control and testing of high strength concrete aci 363 2r aci international farmington hills mi.

High strength concrete mix design ppt. Aci method of concrete mix design is based on the estimated weight of the concrete per unit volume. This article presents aci method of concrete mix design. It can be done by two methods is code method and aci method. High strength concrete is made by lowering the water cement w c ratio to 0 35 or lower.

In many markets today concrete having a specified compressive strength in excess of 69 mpa 10 000 psi is routinely produced on a daily basis. A cement b water c fine aggregate d coarse aggregate 2. This video animation animated video explains the concept of high strength concrete. Are you add admixture if any possibility to reduce stell if it is possble explain how it is possible.

Engineering research laboratories himayatsagar hyderabad 500030. Mix design procedure for high strength concrete the mix design of high strength concrete is similar to conventional concrete with minor variations because the volume of mineral admixtures is calculated too. The densification of the interfacial transition zone allows for efficient load transfer between the cement mortar and the coarse aggregate contributing to the strength of the concrete. Concrete mix design by 1 welcome 2 cement concrete mix design by k.

Due to low w c ratio it causes problem of placing to overcome from this superplasticizer used. While normal concrete has a strength rating in the range of 3 000 to 4 000 psi pounds per square inch ultra high performance concrete has a strength rating many times that. Getting started with high strength concrete ron burg the concrete producer november 1993. This method takes into consideration the requirements for consistency workability strength and durability.

Civil engineering animated videos civil engineering videos social m. Cement concrete mix design means determination of the proportion of the concrete ingredients i e. The design procedure explained below is based on aci method. Today high strength concrete is defined as concrete with a specified compressive strength of 55 mpa 8000 psi or higher.

Cement water fine aggregate coarse. Ramesh research officer engineering materials laboratory a p. High strength concrete has a compressive strength greater than 40 mpa. For very high strength concrete where the matrix is extremely dense a weak aggregate may become the weak link in concrete strength.