Effectiveness of Saturated Coral Aggregate and Shrinkage Reducing Admixture on the Autogenous Shrinkage of Ultrahigh Performance Concrete

Table 2

The properties testing table of coral aggregate in China.

Detecting items	Units	Detecting results
Moisture content	%	0.2
Organic matter	g/kg	2.77
Available phosphorus	mg/kg	6.8
pH		9.3
Bulk density	mg/m^3	1.37
Texture		Sand
Available nitrogen	mg/kg	12.0
Available potassium	mg/kg	7.38
Carbonate	g/kg	987
EC value	mS/cm	0.140
Total nitrogen	g/kg	0.174
Total phosphorus	g/kg	0.075
Total potassium	g/kg	0.991
Available boron	mg/kg	0.201
Cation exchange capacity	cmol/kg	1.22
Available copper	mg/kg	0.218
Available zinc	mg/kg	0.073
Available iron	mg/kg	0.582