Research Article

Experimental Study on the Effect of Expansive Agent on the Durability of Concrete in Civil Air Defense Engineering

Table 3

Concrete cube compressive strength value.

AgeSpecimen (MPa)Specimen size (mm × mm × mm)Peak load (kN)Measured value of compressive strength (MPa)Average compressive strength

M-7dC30-1100 × 100 × 100247.7523.524.6
C30-2100 × 100 × 100281.5326.7
C30-3100 × 100 × 100258.6723.4
P-7dC30-1100 × 100 × 100228.4221.721.1
C30-2100 × 100 × 100217.8920.7
C30-3100 × 100 × 100220.0020.9
M-28dC30-4100 × 100 × 100414.7539.440.1
C30-5100 × 100 × 100408.0738.8
C30-6100 × 100 × 100444.8842.3
P-28dC30-4100 × 100 × 100417.8939.738.6
C30-5100 × 100 × 100394.7437.5
C30-6100 × 100 × 100406.3238.6
M-56dC30-7100 × 100 × 100454.8543.245.3
C30-8100 × 100 × 100465.8144.3
C30-9100 × 100 × 100507.9748.3
P-56dC30-1100 × 100 × 100467.3744.444.6
C30-2100 × 100 × 100491.5846.7
C30-3100 × 100 × 100449.4742.7