Model Test Research on Bearing Mechanism of Underreamed Ground Anchor in Sand

Figure 12

The development curves of end bearing forces with (a) load displacement growth at the embedment depth of (i) 850mm, (ii) 750mm, (iii) 650mm, (iv) 550mm, (v) 450mm, and (vi) 350mm; (b) the variation of embedment depth with (vii) quartic polynomial curve and (viii) linear increasing line.

(a)

(b)