Identify the effective shear strength

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Reference no: EM132510622 , Length: word count:150

Question (a) Referring to the soil profile in Figure I, identify the effective shear strength at the middle of Soil C layer. You are given the consolidated undrained triaxial test results in Table I.

Question (b) Based on the consolidated undrained triaxial test results, identify the type of soil for Soil C. Then, explain in detailed on the typical stress strain relationship for Soil C. Use sketches if necessary.

Question (c) Choose one (I) suitable field shear strength test to investigate the shear strength of Soil C. Explain your reasons for the method chosen. Describe the testing procedures and parameters obtained from the field test.

Table: Consolidation Undraincd Triaxial Compression Test Results

Sample Stage	I	2	3
Specimen Diameter (mm) Specimen Height (mm) Drainage Condition	38.0 76.0 DOE	38.0 76.0 DOE	38.0 76.0 DOE
Moisture Content (%)	32.46	32.1	32.34
Bulk Density (MOO	1.735	1.730	1.734
Dry Density (Mg/m³)	1.283	1.280	1.282
Saturation Stage
Initial Pore Pressure (kPa)	286.3	287.2	287.8
Initial Back Pressure (kPa)	290	290	290
Saturation Pressure (kPa)	335	395.0	513.2
Initial Cell Pressure (kPa)	300	300	300
Final Cell Pressure (kPa)	350	410	530
Final P.W. Pressure Parameter (BO	0.97	0.98	0.98
Consolidation Stage
Cell Pressure (kPa)	350	410	530
Final Pore Pressure (kPa)	290	290	290
Effective Pressure (kPa)	60	120	240
Volume Change (ml)	1.0	2.2	3.7
two (min)	148.84	144.00	169
Cecil of Consolidation, C., (m25,0	16.03	16.57	14.12
Coeff. of Volume Comp, my (m²/MN)	0.19	0.21	0.18
K (calculated) (m/s)	9.64810^1°	1.09810⁴	7.87810'^1°
Shearing State Condition: Max Stress Ratio Rate of Deformation: 0.032min/rain
Pore Pressure (kPa)	14	62	150
Deviator Stress (kPa)	113	140	207

Attachment:- effective shear strength.rar

Reference no: EM132510622

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