Residual Compressive Strength of High-Strength Concrete Exposed to Elevated Temperatures

Table 1

Models for residual compressive strength of concrete after high-temperature exposure.

Code/researcher	Compressive strength after high temperature exposure ()
Eurocode 2: EN 1992-1-2 [4]	(i) If 41.4 < < 55.0 MPa, use Table 3.1 of the code.; (ii) If ≥ 55.0 MPa, use Table 6.1N of the code.
ACI 216.1-07 [5]	(i) For siliceous aggregate, use curve from Figure 2.12(a) of the code.; (ii) For calcareous (carbonate) aggregate, use curve from Figure 2.12(b) of the code.
ASCE Manual [6]
Kodur et al. [29]
Nielsen et al. [30]
Aslani and Bastami [31]	For siliceous aggregate, if 41.4 < < 55.2 MPa,; If 55.2 ≤ ≤ 80 MPa,; If > 80 MPa,; For calcareous aggregate,
Choe et al. [32]
Phan and Carino [33]
Hertz [34]