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Online since: December 2013
Authors: Ying Liu, Ji Liang Wang, Xiang Qian Wen, Jun Hong Shan
Table 7 Mix proportion of SCC with different volume content of fine aggregates
Volume content
of fine aggregate
Cement
(kg/m3)
Fly ash
(kg/m3)
Sand
(kg/m3)
Gravels
(kg/m3)
Water
(kg/m3)
Admixture
(%)
0.40
387
129
717
880
232
0.70
0.42
374
125
752
880
225
0.70
0.44
362
121
788
880
217
0.70
0.45
349
116
824
880
209
0.70
0.48
336
112
860
880
201
0.70
0.50
323
108
896
880
194
0.70
3.2 Effect of mix design parameters on mechanical properties of SCC
(1) Effect of fly ash on mechanical properties of SCC
It was studied that the effect on compressive strength after hardening concrete for 3d, 7d, 28d, 60d with the fly ash content of 20%, 25%, 30%, 35%, 40%.
Online since: November 2013
Authors: Bo Liao, Fu Ren Xiao, Xiu Lin Han, Yan Mei Liu, Guang Ping Lu
Steels
Ac1(°C)
Ac3(°C)
Heating Rate(°C/s)
Heating Rate (°C/s)
A1
10
47
65
A3
10
47
65
L245MB
710
765
773
759
863
906
919
925
X46
705
748
754
760
870
896
888
903
X52
706
743
755
765
876
905
928
941
X65
702
758
769
775
882
897
909
915
Comparing the calculated values of A1 and A3 with the experimental values, the variation tendency of experimental values of different steels is similar with that of the calculated values, i.e., the Ac1 decreases with the increase of content of Mn, and the Ac3 decreases with the increase of contents of C and Mn.