Skip to main content

Table 8 The classification of porosity value

From: An evaluation system for the development of scaling off at earthen sites in arid areas in NW China

Classification Range of V1 Range of V2 Range of V3 Range of V4 Classification Basis
CM [0.75, 1] [0.5, 0.75) [0.25, 0.5) [0, 0.25) Equation (6)
C1 [0.79, 1] [0.46, 0.79) [0.27, 0.46) [0, 0.27) The fourth, ninth, and fourteenth data
C2 [0.7505, 1) [0.437, 0.7505) [0.2565, 0.437) [0, 0.2565) 95% low of the fourth, ninth, and fourteenth data
C3 [0.8295, 1) [0.483, 0.8295) [0.2835, 0.483) [0, 0.2835) 95% high of the fourth, ninth, and fourteenth data