Research Article

Structural Monitoring of Metro Infrastructure during Shield Tunneling Construction

Table 1

Property description of soil layers in shield tunnel section.

NumberSoil layerDetail description

Miscellaneous fill soilMainly composed by construction and domestic waste (0.4~3.0 m)
Plain fill soilGenerally composed by the silty soil with organic matters (0.4~3.4 m)
Silty soilContaining lots of humic substances and scrap micas (0.6 m)
Silty clayWith much iron oxides and scrap micas (0.6~1.8 m)
Clayey siltWith much iron oxides and scrap micas (0.3~2.2 m)
Sandy siltWith much iron oxides and scrap micas
Clayey siltWith organic matters and scrap micas
Clayey siltWith organic matters and scrap micas
Sandy siltWith organic matters and scrap micas
Clayey siltWith organic matters and scrap micas
Sandy siltWith organic matters and scrap micas
Sandy siltWith organic matters, iron oxides, and scrap micas
Silty clayWith organic matters and scrap micas
Silty soft clayWith organic matters and silty soils (2.3~6.8 m)
Silty soilWith organic matters and sludge soils (2.3~7.0 m)
Silty soilWith organic matters (3.4~7.9 m)
Clayey siltWith organic matters, scrap micas, and silty clay
Silty soilWith organic matters (3.7~9.4 m)
Silty soilWith organic matters (2.1~6.6 m)
ClayWith organic matters and silty soils (2.3~6.9 m)
ClayWith organic matters and silty soils
Gray clayWith organic matters and silts (2.0~10.4 m)
Silty clayWith organic matters and scrap micas (1.6~5.2 m)
Silty clayWith organic matters and scrap micas (0.6~4.8 m)