Question

When attempting to excavate a deep cutting in soft CLAY a failure took place when the height of the slope reached 10 m. The cutting has a slope of 1 vertical to 1.5 horizontal. The strata consisted of 15 m of soft clay, underlain by hard shale. Assuming that the bulk unit weight of clay is 20 kN/m3.

Q. What is the value of the undrained shear strength, c_u (kPa)

Taylors stability coefficients 0.30 0.261 0.25 D- infinite 0.181 8 0.15 3.0 2.0 0.10 Toe circles 1.5 0.05 1.0 0.00 0 10 20 3040 50 60 70 8090 Slope inclination, p

Answer 1

2 24 182 5m イ, buak, umur tuo.de : 20 Kr.1m3 F, faeroィ 2 0 Wi CS c a