Source: CIVIL ENGINEERING FORMULAS CHAPTER 5 …
· cement. This ratio is found from where w m weight of mixing water in batch, lb (kg); and w c weight of cementitious materials in batch, lb (kg). The ACI Code lists the typical relationship between the w/c ratio by weight and the compressive strength of concrete. Ratios for non-air-entrained concrete vary between 0.41 for w c w m w c CONCRETE ...
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