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Optimised Mix Design for Normal Strength and High Performance Concrete Using Particle Packing Method

机译:颗粒填充法优化高强高性能混凝土的配合比设计

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This paper presents the details of optimized mix design for normal strength and high performance concrete using particle packing method. A critical review of mix design methods have been carried out for normal strength concrete using American Concrete Institute (ACI) and Bureau of Indian Standards (BIS) methods highlighting the similarities and differences towards attaining a particular design compressive strength. Mix design for M30 and M40 grades of concrete have been carried out using ACI, BIS and particle packing methods. Optimization of concrete mix has been carried out by means of particle packing method using EMMA software, which employs modified Anderson curve to adjust the main proportions. Compressive strength is evaluated for the adjusted proportions and it is observed that the mixes designed by particle packing method estimates compressive strength closer to design compressive strength. Further, particle packing method has been employed to optimize the ingredients of high performance concrete and experiments have been carried out to check the design adequacy of the desired concrete compressive strength.
机译:本文详细介绍了采用颗粒填充法对普通强度和高性能混凝土进行优化混合设计的细节。已经使用美国混凝土协会(ACI)和印度标准局(BIS)的方法对普通强度混凝土的混合设计方法进行了严格的审查,着重强调了获得特定设计抗压强度的异同。已经使用ACI,BIS和颗粒填充方法对M30和M40级混凝土进行了配合比设计。已使用EMMA软件通过颗粒堆积方法对混凝土配合比进行了优化,该方法使用修改后的Anderson曲线来调整主要比例。针对调整的比例评估抗压强度,并且观察到通过颗粒填充法设计的混合物估计抗压强度更接近设计抗压强度。此外,已经采用颗粒填充法来优化高性能混凝土的成分,并进行了实验以检验所需混凝土抗压强度的设计适当性。

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