The Performance and Mechanism Analysis of Cement Pastes Added to Aluminum Sulfate-Based Low-Alkali Setting Accelerator

Table 6

Parameters and distribution of pore of cement pastes at 1 d and 28 d.

Specimens	Curing age/d	Total pore volume/(mL·g^−1)	Porosity/%	Pore size distribution/(mL·g^−1/%)
				3–20 nm	20–50 nm	50–100 nm	>100 nm
Blank	1	0.258	39.5	0.051/19.8	0.051/19.8	0.106/41.1	0.050/19.3
Y20-S7	1	0.235	35.2	0.062/26.4	0.038/16.2	0.095/40.4	0.040/17.0
Blank	28	0.189	29.7	0.034/18.0	0.070/37.0	0.041/21.7	0.044/23.3
Y20-S7	28	0.161	27.1	0.023/14.3	0.073/45.3	0.028/17.4	0.037/23.0