Minimum Flexural Reinforcement Steel Ratios of High-Strength Concrete Beams

Table 1

Equations of the design codes.

Code	Equations
ACI 318-19^7		(1)
CSA A23.3-04^14		(2)
Eurocode 2-04^3		(3)
JSCE-07^5		(4)
IS 456-2000^4		(5)
NS 3473 E-03^6		(6)
where

is the lower characteristic tensile strength of concrete. A_c is the gross cross-sectional area; h is the beam depth in meter, and h₁ = 1.0 m.