During a subsoil exploration program, undisturbed normally consolidated silty clay samples were collected in Shelby tubes from location A as shown in Figure 12.54. Figure 12.54 2m G.W.T Silty stnd 0.72; G, 2.69 2,2 m 3.5 m 5.25 m Silty clay w = 22%; G, = 2.72 A Poorly graded sand Yut19.8 kN/m 2.6 m2 Following are the results of four drained, direct shear tests conducted on the clay samples with each having a diameter of 63.5 mm and height of 32 mm.
During a subsoil exploration program, undisturbed normally consolidated silty clay samples were collected in Shelby tubes from location A as shown in Figure 12.54. Figure 12.54 2m G.W.T Silty stnd 0.72; G, 2.69 2,2 m 3.5 m 5.25 m Silty clay w = 22%; G, = 2.72 A Poorly graded sand Yut19.8 kN/m 2.6 m2 Following are the results of four drained, direct shear tests conducted on the clay samples with each having a diameter of 63.5 mm and height of 32 mm.
Chapter2: Loads On Structures
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Transcribed Image Text:During a subsoil exploration program, undisturbed normally consolidated silty clay samples were
collected in Shelby tubes from location A as shown in Figure 12.54.
Figure 12.54
2 m
Silty sund
e = 0.72; G, 2.69
G.W.T
2,2 m
3.5 m
5.25 m
Silty clay
w = 22%; G, = 2.72
%3D
A e
Poorly graded sand
Yut= 19.8 kN/m
2,6 m.
Following are the results of four drained, direct shear tests conducted
the clay samples with
each having a diameter of 63.5 mm and height of 32 mm.
Normal
force
Shear force
at failure
Test
no.
(N)
(N)
1
84
28.9
2
168
59.6
3
254
89.1
4
360
125.3
a. Determine the drained angle of friction for the silty clay soil.
b. Determine the shear strength of the clay in the field at location A.
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