| 摘要 |
An admixture dispensing system and method that dispenses a dispersant admixture raw material and other admixture raw materials to cementitious compositions based on performance characteristics such as compressive and flexural strength, slump, setting time, air content, finishability, and material or process variables such as temperature, cement type used, additives such as pozzolan, and water cement ratio desired. Computer software algorithms or lookup tables may be used to determine an adjustable ratio of admixture raw materials that when added to the cementitious composition produces the desired performance characteristics. Non-linear dosage rates between dispersant admixture raw materials used for water reduction and strength generation or defoamer admixture raw materials may be calculated to determine the correct amount of each to generate the desired air content in a cementitious composition.
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