Skip to main content

Table 6 Experimental-to-theoretical ratio of longitudinal reinforcement stress.

From: An Experimental Study on Bond Strength of Reinforcing Steel in Self-Consolidating Concrete

Section \( (\frac{{f_{\text{s(test)}} }}{{f_{s(M - \phi )} }})_{ave}^{\text{a}} \) \( (\frac{{f_{\text{s(test)}} }}{{f_{s(M - \phi )} }})_{ave}^{\text{b}} \)
NCC   
 1 1.21 0.99
 2
 Top 1.58 1.17
NSCC   
 1 1.37 1.07
 2
 Top 1.29 0.97
Ave. 1.36 1.05
COV (%) 11.7 8.7
HCC   
 1 0.90 0.78
 2
 Top 0.92 0.90
HSCC   
 1 0.92 0.80
 2
 Top 0.97 0.88
Ave. 0.93 0.84
COV (%) 3.2 7.0
  1. aPopovic, Thorenfeldt, and Collins stress–strain curve.
  2. bHognested stress–strain curve (ACI 408R-03 recommended method).