SHEARBOX TEST ON SAND

 1. Complete the results of testing in Datasheet No 10 and Datasheet No 11. 2. A summary plot showing the stress ratio (/) versus horizontal displacement for all the tests (i.e. for both dense and loose samples). You can plot it in an Excel spreadsheet. From the plot, determine the ultimate shear stress for each test. 3. A summary plot showing the vertical displacement versus horizontal displacement for all tests. 4. Using the results from the summary plot in (2), complete Table 1 showing for each test of both loose and dense sand: the normal stress () and ultimate shear stress (ult) . 5. A plot of ultimate shear strength (stress) versus normal stress. Show the data from all the tests on a single plot. Determine the ultimate shear strength parameters (c, ult) for the sand. 6. Students MUST complete Task 1 and present the results to the demonstrator before leaving the lab class. 7. A type-written report is to be submitted within one week of the practical class. The report should be concise consisting of the following: a) State clearly the objectives of experiment b) A brief outline of the experimental procedures c) Completed data sheets 10 and 11 d) The results from Tasks 2 to 5 above e) Comments, if any, on any trends, particularly with respect to the effects of normal load and density (loose or dense), apparent in the summary plots