Research Article
The Effects of Different Nanoadditives on the Physical and Mechanical Properties of Similar Silty Mudstone Materials
| Test plan | Expansibility test | Splitting test | Density test | Natural water absorption test | Uniaxial compression test | Softening coefficient test |
| Test unit number | NTi | A1-1~1–5 | A2-1~2–5 | A3-1~3–5 | A4-1~4–5 | A5/6–1~5/6–5 | NAl | B1-1~1–5 | B2-1~2–5 | B3-1~3–5 | B4-1~4–5 | B5/6–1~5/6–5 | NBe | C1-1~1–5 | C2-1~2–5 | C3-1~3–5 | C4-1~4–5 | C5/6–1~5/6–5 | Sample setting within the group | Each group of five diameters of 50 mm and heights of 50 mm sample | Each group of five diameters of 50 mm and heights of 100 mm sample | Initial state | The standard specimen after curing has reached the age | Dry (h) | —— | —— | —— | —— | —— | 48 | —— | Flooding (h) | 48 | —— | —— | 48 | —— | —— | 48 | Test content | Inflation rate | Tensile strength | First measure the density, then measure the natural water absorption | SEM test is carried out on damaged samples | (Saturated) Uniaxial compressive strength |
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