Research Article

Study on the Relationship between Pore Structure and Uniaxial Compressive Strength of Cemented Paste Backfill by Using Air-Entraining Agent

Table 5

T2 spectral peak areas and their proportions of AEACPB samples doped with different AEA.

AEA typeDosage (%)Peak area and its proportion
The firstProportionThe secondProportionThe thirdProportionTotal area

SA0.232467.060.91671825.850.05161124.810.031835417.72
0.437077.480.91412113.890.05211368.230.033740559.60
0.640486.610.90942511.360.05641524.250.034244522.23

SJ0.229724.960.92741407.530.0439918.320.028732050.81
0.432293.200.91621803.330.05121150.570.032635247.10
ā€‰0.636562.980.91262141.140.05341361.330.034040065.45