Rapid, graded sand preparation method using grain size distribution results for cement mortar testing
Nutthachai Prongmanee,
Amorndech Noulmanee,
Thawatchai Suppaso
Abstract:Adhering to ASTM C109/C109M-20 standards ensures quality in cement mortar specimens. However, achieving the required sand gradation per ASTM C778-21 can be challenging. This paper presents a faster method for adjusting sand gradation without compromising ASTM quality standards. The proposed method involves analyzing six silica sand samples of different gradations, pre-screening sands, using Excel Solver for optimal mixture ratios, making automated gradation tweaks with precise calculations, and validating the … Show more
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