This paper presents an experimental study on the axial behavior of ferrocement confined cylindrical concrete
specimens. The present study also intends to investigate the effect of specimen size on the confinement
action of ferrocement jacket. Three types of 27 concrete cylinders with diameters of 150, 100, and
75 mm are cast and tested under axial compression. Each type of specimens is confined with single layer
and double layer welded wire mesh ferrocement jacket having a constant thickness of the jacket. The
experimental results demonstrate the effectiveness of ferrocement confinement in enhancing the
strength, ductility and energy absorption capacity of concrete specimens. The confinement action is
found more effective in case of smaller specimens. A post-peak descending branch in the axial stress–
strain curve is observed in all the confined specimens. The stress–strain behavior and the failure pattern
indicate that single layer mesh ferrocement jacket cannot provide significant confinement; at-least two
layer mesh is required for substantial confinement. A new analytical model for the strength of ferrocement
confined circular concrete specimen is proposed based on the test results of this work and verified
with the recent experimental data obtained from the literature