Cc a4 SHOWING RELATION BETWEEN AMOUNT 
so REE LIME) ADDED TO KNOWN CEMENT 
= AND HEAT) OF YDRATION 
—_ SS — + + | 4 
| eels i: 
{2.00 1 —— | eae on 1 
arr ale fair eae teal 1 BCS =i + 
1(.00 LU 1 le 2 oo ee eee ab = el fe st = aL 
ay ee 
(0.00 AEE ale oI a ! oo i 
> te , <i ae = + = JL it 
300 + 5 L Pod ye am —— en oe 4 
| | | a2 Ls nll eae | | 
800 += a oo waa 
t os | BS | ek ee ae sees| 1 t 
7.00 4 all +--+ I a BS i Jk 
f} A | SALE < eereee a : ie | aL li 
ee 
| | L | | 
5.00 | | 
ro) 1% AG. Ba 4%, 57. 6% 
LIME ADDED 
Fig. 75. Curves showing the regularity with which the calorimeter detects and 
measures the presence of free lime in Portland cement. 
