558	CEMENT—SET AT DIFFERENT TEMPERATURES.
DETAILS OF COMPRESSION TESTS OF SPECIMENS WHICH WERE EXPOSED TO 70־ F. TEMPERATURE ONLY WHILE SETTING.
Marks	Brand of cement.	Composition.			Time of setting in air at temperature of 70° F.	Dimensions.			Sectional area.	Ultir	nate stren	gth.	Remarks.
		Ce- ment.	Sand.	Water.		Height.	Compressed surface.			Total.	Per square inch.	Mean.	
						Inches.	Inches.	Inches.	Sq. inches.	Pounds.	Pounds.	Pounds.	
					15	2.03	1.98	2.07	4.10	8,220	2,000		
1 X 1 F. 25..							2.00	2.04	4.08	8,670	2,130		
						2.00	2.04	2.10	4.28	8,610	2,010		
						2.00	2.04	2.09	4.26	8,040	1,890		
						2.00	2.02	2.12	4.28	7,830	1,830	1,970	
				32.0	22	2.06	2.01	2.10	4.22	10,300	2,440		
						2.00	2. 03	2.08	4.22	9,020	2,140		
						2.00	2.04	2.12	4.32	9,250	2,140		
						2.00	2.04	2.12	4.32	9,310	2,160		
						2.00	2.03	2.08	4.22	10,740	2,550	2,290	
F. 8		Star		Neat.		23.4	29	2.00	1.96	2.04	4.00 4.02	18,400 18,450	4,600 4,590		
						1.96	1.98	2.04	4.04	16,020	3,970		
						1.96	1.99	2.01	4.00	17,520	4,380		
						2.00	1.98	2.00	3.96	16,680	4,210	4,350	
1 X IF. 25..	Star		1	1	32.0	31	2.00	2.04	2.08 2.14	4.24 4.30	10,520 9,610	2,480 2,230		
						2.00	2.02	2.09	4.22	10,300	2,440		
						2.04	2.02	2.06	4.16	8,760	2,110		
						2.01	2.04	2.05	4.18	9,950	2,380	2,330	
F. 8		Star		Neat.		23.4	32	1.98	1.98	2.02	4.00	18,500 19,980	4,630 4,970		
						1.98	1.99	2.04	4.06	18,030	4,440		
						1.97	2.00	2.09	4.18	18,420	4,410		
						1.99	1.99	2.03	4.04	17,700	4,380	4,570	
				23.4	36	1.96	1.98	2.03	4.02	18,280	4,550		
						1.94	1.99	2.01	4.00	16,100	4,030		
						1.97	1.98	2.01	: 3.98	16,610	4,170		
						1.96	1.99	2.02	4.02	19,250	4,790		
						1.98	1.97	2.04	1 4.02	18,980	4,720	4,450