Civil Engineering Reference
In-Depth Information
Table 3.6
Water absorption capacity and porosity of CDW aggregate
Reference
Origin
Types of
aggregates
Aggregate size (mm)
Water absorption (%)
CDW
aggregate
Natural
aggregate
Topçu and Guncan, (
1995
)
Construction site
Coarse
8-31.5
7
Gonzalez-Fonteboa and
Martinez-Abella (
2008
)
Clean concrete from demolished debris
Coarse
4-12
4.82
10-25
4.59
Courard et al. (
2010
)
Bituminous road pavements
Fine and
coarse
2-20 mm with about
86.5 % 10-20 mm
4.58
Poon et al., (
2007
)
Unwashed demolished concrete from construction sites
Coarse
10 (maximum diameter)
4.3
20 (maximum diameter)
3.5
Rao et al. (
2011
)
C&D debris obtained from culvert
Coarse
-
3.1
Corinaldesi et al. (
2002
)
Processed rubble from recycling plant
Fine
0-5
10
Corinaldesi and Moriconi
(
2009a
)
Rejected precast concrete
Fine
0-5
8.8
Processed rubble from recycling plant
a
7.1
Crushed and processed red brick
16.2
Miranda and Selmo (
2006
)
Ceramic wall prepared in the laboratory
Fine
4.8 (maximum)
11.5
Mortar (cement, lime and sand) prepared in the
laboratory
0.55 (maximum)
1.0
Concrete prepared in the laboratory
4.8 (maximum)
2.0
Poon and Chan (
2007
)
Recycled concrete
Fine
0-5
10.3
Recycled brick
30.9
Recycled tiles
16.9
Eguchi et al. (
2007
)
CDW prepared at the laboratory
Coarse
20 (maximum)
5.69-7.92
CDW from a building in a power plant
6.22-7.66
Tangchirapat et al. (
2008
)
CDW prepared in laboratory
Fine
0-4.5
11.91
Coarse
4.5-25
5.61
Li et al. (
2009
)
Old concrete pavement
Coarse
5-31.5
8.7
