CONCRETE 



139 



i:2 l /2 Finish coat of exterior plaster, fence posts 



when coarse aggregate is not used 



1:3 Masonry mortar, cement-drain tile when 



coarse aggregate is not used, cement 

 blocks 



Thickness and Mixture of Concrete for Two-Course Work 



Purpose 



Residence basement floors. 



Poultry-house floors 



Hog-house floors 



Cow-barn floors 



Horse-barn floors 



Sidewalks 



Base 



Finish coat 



Depth 

 of Base 



3 l A 

 3 

 4 

 5 



Mix for 

 Base 



1:2^: 5 



1:3 :6 

 1:3 :6 



1:3 :6 

 1:2^:5 



1:23/2:4 



Thickness 

 of Surface 



I m. 

 Yz in. 

 % in. 



1 in. 



V± in. 



Thickness and Mixture of Concrete for 

 One-Course Work 



Mix for 

 Surface 



2 



3 

 2 



2 



2 



I : 2 



Quantities of Material for i Cubic Yard of Concrete 



Proportions by Volume 



Cement 



Sand 



1% 



2 

 2 



2V 2 

 2V 2 



3 

 3 

 4 



Stone 



2. 



3 



3 

 4 



4 



5 



5 

 6 



8 



Quantities of Material 



Cement 

 Sacks 



9 



8 



7 

 6 



5 

 5 



4 

 4 

 3 



9 

 o 



4 

 4 



9 



2 



9 



4 

 4 



Sand 

 Cu. Yd. 



O.36 

 .42 

 ■52 



•44 

 •52 

 .46 



■52 



.46 

 .48 



Stone 

 Cu. Yd. 



0.88 



85 

 7S 

 90 



83 

 91 

 86 



94 

 96 



