CEMENT,
494
MAXIMUM TEMPERATURES ATTAINED BY CEMENTS WHILE SETTING. [Observations made on 12-inch cubes.]
Remarks.
Maxi-
mum
temper-
ature.
Per cent of water.
No. Of diagram.	Brand.	Class.	Composition.	
			Cement.	Sand.
1				
				
				
				
2	Whitehall				
3				
				
			. do. .	
4				
				
		do				
5				
	Alsen <0058.״				.
6				
				
7				
					
				
8				
				
				
				
9				
	proved.			
				
				
10				
				
				
11				
	dale.			
				
12				
				
13				
				
				
14				
				1
				
15				
	proved.			
				
16	Alpha 		Portland ...	1	1
				
				
				
17				
				
	ter.		1	
20 days old after grinding.
2 hours retarded. 2 hours agitated. 5 hours agitated. 8 hours agitated.
2 hours’ rest.
5 hours’ rest.
8 hours’ rest.
14 days old, after grinding.
Mixed with hot water.
Do.
Do.
Do.
Do.
Do.
Do.
Do
40 days old, after grinding.
Do.
°C.
95.0
76.0
42.5
32.0
103.5
63.0
60.5
51.0 102.0
102.5
96.0
75.0
61.0
99.0 100.0
73.0
69.0
58.5
81.5
72.0
68.5
57.0
39.5
37.5
34.0
35.0
40.0
39.0
40.0
28.5
79.0
35.0
79.0
55.5
48.0 105.0
52.0
53.0
54.5
55.0
52.0
36.0
31.0
29.0
99.5
26.2
26.5
27.0
35.6
25.2
25.0
27.5
29.7
22.5
26.2
35.0 29. 4
36.5
30.0 26.2
23.6
26.0
29.0
22.7
24.8
32.0
38.8 37.6
35.0
36.5
40.0
44.6
41.8
35.5
41.5
25.9
25.6
42.2
32.9
23.1
29.6
32.3
46.2
2״.47
43.8
32.3 46.2 56.1
77.8
33.4
35.7