Research Article
Vertically Dynamic Response of an End-Bearing Pile Embedded in a Frozen Saturated Porous Medium under Impact Loading
Table 1
Material properties of a pile in a frozen saturated porous medium.
| | Grain | ρs = 2650 kg/m3 | Ks = 38.7 × 109 Pa | μs = 39.6 × 109 Pa | ks0 = 1.07 × 10−11 m2 | | Ice | ρi = 920 kg/m3 | Ki = 8.58 × 109 Pa | μi = 3.7 × 109 Pa | ki0 = 5 × 10−4 m2 | | Water | ρw = 1000 kg/m3 | Kw = 2.25 × 109 Pa | μw = 0 Pa | ηw = 1.798 × 10−3 Pa·s | | Skeleton | μsm0 = 4.32 × 107 Pa
ε = 1 − = 0.44 | Ksm = 14.4 × 109 Pa
= 0.02–0.42 | r12 = r13 = 0.5
= 0.42–0.02 | r23 = r31 = 0.5
= 0 Pa | | Concrete pile | ρb = 2500 kg/m3 | Eb = 40.0 × 109 Pa | H = 5∼25 m | a = 0.5 m |
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