[ P_max = C_w \times C_c \times (150 + \frac9000RT) ]
Technical Deep-Dive / Engineering Reference
SP-4 is not a code—it is a Manual of Practice . It bridges the gap between structural analysis (what the final building must support) and construction engineering (how to support wet concrete until it gains strength).
To obtain the official ACI SP-4 PDF, visit www.concrete.org or contact ACI’s publications department. This article is for educational purposes and should not replace the original publication for engineering design.