I I Regular lightweight 



air-dry 



113.8 114.1 



m 



50.1 



in-air 

 weight 



in-seawater 

 weight 



30% RH for 

 17 days after 

 28-day fog eure 



Freshly mixed 

 concrete, with 

 aggregate saturated 



Saturated concrete, 

 14 days at 500 psi 

 after 28-day fog cure 



Figure 10. Comparison of unit weights for Mix no. 1 concretes. 



I I Regular lightweight 



air-dry 



114.3 115.3 



in-air 

 weight 



in-seawater 

 weight 



30% RH for 

 17 days after 

 28-day fog cure 



Freshly mixed 

 concrete, with 

 aggregate saturated 



Saturated concrete, 

 17 days at 500 psi 

 after 28-day fog cur 



Figure 11. Comparison of unit weight for Mix no. 2 concretes, 



21 



