Research Article

The Effects of Different Nanoadditives on the Physical and Mechanical Properties of Similar Silty Mudstone Materials

Table 4

Test schemes.

Test planExpansibility testSplitting testDensity testNatural water absorption testUniaxial compression testSoftening coefficient test

Test unit numberNTiA1-1~1–5A2-1~2–5A3-1~3–5A4-1~4–5A5/6–1~5/6–5
NAlB1-1~1–5B2-1~2–5B3-1~3–5B4-1~4–5B5/6–1~5/6–5
NBeC1-1~1–5C2-1~2–5C3-1~3–5C4-1~4–5C5/6–1~5/6–5
Sample setting within the groupEach group of five diameters of 50 mm and heights of 50 mm sampleEach group of five diameters of 50 mm and heights of 100 mm sample
Initial stateThe standard specimen after curing has reached the age
Dry (h)——————————48——
Flooding (h)48————48————48
Test contentInflation rateTensile strengthFirst measure the density, then measure the natural water absorptionSEM test is carried out on damaged samples(Saturated) Uniaxial compressive strength