Series VI.— COKE CONCRETE. 



No. 



1 

 2 

 3 



Description. 



Proportions used in 

 gauging. 



Weight 

 per cube 

 foot in lbs 



Breaking 

 weight 

 in lbs. 



Modulus 



of 

 rupture. 



Ce- 

 ment. 



Small 

 coke. 



Large 

 coke. 



12 inch by 12 inch by 48 inches 

 ditto 

 ditto 



1 



1 

 1 



4 

 4 

 4 



2 

 2 

 2 



69 

 67 

 65 



7772 

 788 i 

 7562 



204 

 206 

 198 



4 

 5 

 6 



ditto 

 ditto 

 ditto 



1 

 1 



1 



3 



3 

 3 



3 



3 

 3 



67 

 69 

 66 



7168 

 7806 

 7840 



188 

 205 

 206 



7 

 8 

 9 



9 inch by 9 inch by 48 inches 

 ditto 

 ditto 



1 



1 



1 



4 

 4 



4 



2 

 2 

 2 



73 



72 

 75 



4133 



3481 

 4458 



257 

 217 



278 



Series VII. 



TENSILE TESTS OF CONCRETE BRIQUETTES. 



Mean of Three Tests. 







Proportions used in gauging. 





Breaking 





Breaking 



No. 



Description. 





in 

 days. 



load in 

 lbs. per 

 sq. inch. 



in 

 days. 



load in 

 lhs. per 

 sq. inch. 



Ce : Sand, 

 ment. j 



Screeu 

 ings. 



Stone. 



Water. 



1 



Cement, Globe 



l! 2 





4 



0-943 



66 



136-9 



94 



162-3 ' 



2 



brand 



1 1 2 





5 



1-079 



65 



59-6 



3 90 



102-5 



3 



Sand, Nepean 



1 | 2 





6 



1-063 



64 



42-2 



390 



76-2 



4 



Stone, bluestone, 



1 J 3 





4 



1-050 



63 



25-3 



390 



70-1 



5 



H inch gauge 



1 ! 3 





5 



1-245 



64 



34-7 



390 



41-3 



6 





1 3 





6 



1243 



64 



35-9 



390 

 383 



63-8 

 33-3 



7 



Cement, Globe 



1 l 2 



4 



0-983 



64 



28-6 



8 



brand 





2 





5 



3-079 



63 



72-4 



183 



94-5 



9 



Sand, Nepean 





2 





6 



1-103 



63 



50-8 



183 



92-5 



10 



Stone, sandstone 





3 





4 



1-088 



62 



44-4 



183 



71-4 



11 



2% inch gauge 





3 





5 



1237 



61 



39-7 



185 



69-9 



12 



and downwards 





3 





6 



1-310 



61 



36-3 



183 



37-4 



13 



Cement, Globe 





2 





4 



983 



59 



64-0 



183 



113-2 



14 



brand 





2 





5 



1-127 



58 



75-4 



182 



102-3 



15 



Sand, Nepean 





2 





6 



1-210 



58 



63-7 



182 



86-0 



16 



Stone, sandstone 





3 





4 



1-190 



61 



59-9 



182 



88-9 



17 



2 inch gauge 





3 





5 



1-471 



61 



72-0 



182 



104-2 " 



18 



and downwards 





3 





6 



1-500 



63 

 41 



61-5 



18* 



81-2 



19 



Cement, Tripod 





2 





4 



0965 



54-3 



181 



129-6 



20 



brand 





2 





5 



1-002 



40 



65-5 



181 



95-9 



21 



Sand, Nepean 





2 





6 



1-100 



36 



43-3 



381 



74-8 



22 



Stone, pebbles 2\ 





3 





4 



1-203 



36 



44-3 



181 



57-2 



23 



inch gauge and 





3 





5 



1-337 



36 



27-5 



181 



61-7 



24 

 25 



downwards 





3 





6 



1-434 



34 



366 

 309-3 



181 

 182 



713 



148-9 



Cement, Tripod 





2 



1 



4 



1-040 



59 



26 



brand 





2 



2 



4 



1-250 



58 



75-6 



182 



124-9 



27 



Sand, Nepean 





2 



3 



4 



1-400 



55 



90-7 



182 



1325 



28 



Stone, bluestone 





2 



1 



4 



1-029 



59 



91-2 



181 



166-8 



29 



1% inch gauge 





2 



2 



4 



1-356 



60 



300-6 



181 



125'2 



30 



and downwards 





2 



3 



4 



3-368 



58 



74-8 

 310-3 



181 



181 



110-2 

 170-3 



31 



Cement, Tripod 





2 







0603 



57 



32 



brand 





3 







0674 



56 



993 



181 



138-6 



33 



Sand, Nepean 





4 





.. | 0751 



55 



720 



181 



92-6 



