Experimental Investigation on the Influence of Regional Concrete Spalling on Shield Tunnel Segments

<div>Loading device. (a) Vertical view of the loading device. (b) Lateral view of the loading device. ①Jack of direction I. ②Jack of direction II. ③Jack of direction III. ④Plate of direction I. ⑤Plate of direction II. ⑥Plate of direction III. ⑦Loading plate. ⑧Surrounding soil. ⑨Model segment.</div>

Advances in Civil Engineering

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Figure 8

Figure 8: Experimental Investigation on the Influence of Regional Concrete Spalling on Shield Tunnel Segments 