Field Experimental Study on Mechanical Properties of Frame Support Structure Composed of Subway Foundation Pit Retaining Pile and Steel Strut Rigid Joint

Figure 11

Comparison diagram of horizontal displacement of retaining pile at each measuring point. (a) Measuring point at −1 m depth, (b) measuring point at −2 m depth, and (c) measuring point at −3 m depth. (Note: the value “−” in the figure indicates the horizontal displacement of the retaining pile to the foundation pit; “+” indicates the horizontal displacement of the retaining pile towards the soil layer outside the foundation pit).

(a)

(b)

(c)