Table 8 Soundness evaluation method.

From: Cyclic drying and wetting tests on combined remediation of chromium-contaminated soil by calcium polysulfide, synthetic zeolite and cement

Soundness level

Appearance of crack

Appearance of breakage

a

Remain the same

b

Microcrack appearance

Partly crack appearance

Surface delamination

c

Appearance of obvious crack, partly

Appearance of exfoliation, partly

d

Appearance of obvious crack, totally

Appearance of exfoliation, totally

e

Specimen deterioration, partly or totally

f

The whole sample appears to collapse and collapse, but the basic shape still exists

g

Specimen deterioration,Maassive form

h

Specimen deterioration, Grain refining

Back to article page