Both questions please

Q2 answer all sections. a) The triaxial test and the direct shear test are both used to test soil shear strength. Explain what is measured during each test and what parameters are determined from the results. Discuss which test is most appropriate for different soils. What are the limitations of each test? 17 marks b) Table Q2 shows the results at failure from a series of drained triaxial tests carried out on clay. Use the data to determine the drained strength parameters. Table Q2 Cell Pressure Axial Change in sample Change in (kPa) Load, height volume (N) (mm) (cm) 50 301 6.4 31.2 100 589 7.1 21.5 Original height of sample Lo = 200mm 16 marks Original diameter of sample do = 100mm Total 33 marks