Fig 1.
STM for deep beam with principal strains in inclined concrete strut.
Fig 2.
Beams cross section details.
Fig 3.
Typical reinforcement details.
Table 1.
Concrete mix design.
Fig 4.
Test set-up.
Fig 5.
Strain measurement points on strut.
Fig 6.
Typical crack pattern of RC deep beam.
Fig 7.
Maximum width of diagonal cracks in RC deep beams at different applied loads and a/d.
Fig 8.
Plotted modified Hognestad stress-strain curve of concrete in this study.
Fig 9.
Stress-strain curve for steel reinforcement.
Fig 10.
Typical FE compressive stress-distribution in RC deep beams.
Fig 11.
Comparison of shear strength of deep beams from codes and experiment.
Table 2.
Comparison of ultimate shear strength of RC deep beams resulted from ACI 318–11, AASHTO LRFD, NLFEM and experiment.
Table 3.
Principal tensile strain of strut resulted from test and AASHTO LRFD method.
Table 4.
Comparison of ultimate shear strength of RC deep beams using ɛ1-test and ɛ1-AASHTO with test results.
Fig 12.
Empirical relationship between ɛ1-AASHTO and ɛ1-test for RC deep beams with 0.75≤a/d≤2.00.