The author explaind the bromform method for estimating the percentage glassiness of a blast-furnace-slag and also derived the following equation between the heat crystallization of slag (
Hcal/g) and bending-and compressive-strength (
B+
Ckg/cm
2) of a mixed cement, prepared from 0.8 pt. of slag and 0.2 pt. of portland cement, with mortar specimens,
(
B+
C)=174(
H-56.0)
0.31according to the method of JIS R 5210.
抄録全体を表示