Page 185 - 營建產業循環經濟發展研討會-論文集

Improvement of IBA after metals removal
Sato and Fujikawa, Fukuoka U
Aging method
1000
800
600
400
200
T-city Age0
T-city Age30
T-city Age90
T-city Age365
120 Dense 100 93.0
Compaction degree 90%
Compaction degree 95%
Compressive strengh qu (kN/m2)
CBR results (%)
00 40 80 120 160 200 Curing day (day)
0 30 90 365 Aging day (day)
80 69.0 60
78.0
56.0 40 Quality standard for base course : over 80%
20 0
43.0
This result shows that it is possible to surpass the quality standard by increasing the number of curing days.
It is necessary to investigate the self-solidification property and compare the CBR value over a long period with those over a short period.
63.0
Quality standard for sub base course: over 30%
90.0
85.0