Table 3. Polymer Loading in Aggregate 

 Specific Gravity of Polymer = 1.10 



Aggregate 

 Size 

 (in.) 



Polymer Loading (% by Weight) 



Percent Void 

 Volume Empty 

 After Second 

 Impregnation 

 (%) 



First 

 Impregnation 



Second 

 Impregnation 



Calculated 

 Maximum 



1/2 



3/8 



5/16 



Coarse Sand 



Fine Sand 



29.1 

 31.8 

 28.4 

 29.5 



38.1 



38.4 



34,9 

 b 



a 



44.0 

 38.2 

 31.9 



12.7 

 8.6 

 7.5 



Not available. 

 Sand was not reimpregnated. 

 'Not impregnated. 



Table 4. Mix Designs 



Cement: Portland Type 111, High Early Strength 

 Water Reducer: Pozzolith 300 N at Rate of 3 oz/sack 



Mix 



No. 



Cement/Sand/ 



Coarse Aggregate 



(by weight) 



Cement 



Content 



(lb/yd3) 



Water/Cement 

 (by weight) 



Slump 

 (in.) 



Regular 



PFA 



Regular 



PFA 



1 

 2 

 3 

 4 



1/2.22/1.41 

 1/1.55/1.12 

 1/1.77/0.94 

 1/0.78/1.21 



460 

 590 

 710 

 710 



0.33 

 0.32 

 0.31 

 0.28 



0.58 

 0.49 

 0.44 

 0.41 



1-1/4 

 2-1/4 

 2-1/2 

 2-1/2 



1 

 2 

 2 

 4 



Proportions are for regular lightweight materials in a dry or 

 "as received" condition from manufacturer. Material contained 

 some moisture from environment. Aggregate sizes were blended as 

 follows : 



Sand 



Coarse Sand 

 Fine Sand 



Parts 

 (by weight) 



2 

 1 



Coarse 

 Aggregate 



1/2 in. 

 3/8 in. 

 5/16 in. 



Parts 

 (by weight) 



3 

 1 

 1 



10 



