Regular 



^^2 4 6 8 10 yj 14 ifr k . n ?4 ;6 ;>< *0 



CIVIL ENGINEERING LABORATORY ^J NCBC PORT HUENEME CA 93043 



^meM^ 



Figure 5. Sections from splitting tensile test specimens 

 showing bond failure for PFA concrete and 

 aggregate failure for regular lightweight 

 concrete . 



16 



