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Advances in Bridge Engineering

Table 1 Physical and mechanical parameters table of natural state of gravel soil

From: Type selection, structural calculation and construction of anchorage in Sichuan bank of Sichuan Kahalo Jinsha River Bridge

Degree of weathering

Intense ~ moderate

Moderate

natural density

(g/cm3)

2.3

2.3

allowable bearing capacity

[σ0] (kPa)

550

600

standard value of friction resistance

[qik] (kPa)

180

200

friction coefficient

0.45

0.45

cohesion (kPa)

15 ~ 20

15 ~ 20

internal friction angle (°)

32 ~ 35

32 ~ 35

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