High Strength Concrete Mix Design Example

While a concrete mix design is a process of selecting ingredients for a concrete mixture and deciding on their proportions.
High strength concrete mix design example. The mean design strength is obtained by applying suitable control factors to the specified minimum strength. For a given type of cement and aggregates used the reference number corresponding to the design strength at a particular age is interpolated from figure 1 to 4. The goal of the following example is too show the basic steps and how important minor changes in proportions. The absolute volume method specified by aci 211 1 consists of 8 steps plus adjustments.
Getting started with high strength concrete ron burg the concrete producer november 1993. The initial stage began in the 1950s when hsc was studied and applied to prestressed concrete structures. Applications of high strength concrete are high rise building typically. Now what is mix design.
When designing a mix you should always consider the desired strength durability and workability of the concrete for the project in question. Mix design of high strength concrete procedure. Guide to quality control and testing of high strength concrete aci 363 2r aci international farmington hills mi. Example using the absolute volume method aci 211 1 although not the only way to do a quality mix design the aci procedure is widely used.
The development of high strength concrete hsc in china occurred in two stages. High strength concrete hsc has been feasible with latest generation high range water reducing admixture hrwra and high reactive mineral admixtures like silica fumes matakaolin etc. High strength concrete becomes high performance concrete with right concrete mix design. The type of concrete generally with compressive strength of 6000psi 40mpa or greater is called as hsc.
This video animation animated video explains the concept of high strength concrete. Understand concrete mix design submittal and approval process for ncdot. Civil engineering animated videos civil engineering videos social m. Mix design can be defined as the process of selecting suitable ingredients of concrete and determining their relative proportions with the object of producing concrete of certain minimum strength and durability as economically as possible.
One of the ultimate aims of studying the various properties of the materials of concrete plastic concrete and hardened concrete is to. Example 4 determine w c given a mix design with 32 gallons of water and 517 lbs of cement per yd.