Study on the Loess Immersion Test of Metro Line 2 in Xi’an, Shaanxi Province, China

Table 5

Self-weight collapsibility of shallow markers inside the test pit.

Survey line	Maximum of collapsibility (mm)	Minimum of collapsibility (mm)	Average of collapsibility (mm)	Average of collapsibility of shallow markers inside the test pit (mm)
Survey line I	−3.5	0.4	−0.5	−5.1
Survey line II	−2.8	0.2	−0.51
Survey line III	−31.4	−4.5	−14.33

Negative for subsidence; positive for elevation.