Civil Engineering Question

I need help finishing this introduction of Unconfined test I think that is ch 16 in lab manual. Please don’t copy and paste from any resources if you want you can play with the words and write with your own words and put references. Our professor is very specific and deduct grades for plagiarism. I have uploaded the instructions and lab manual.
lab manual citation which you can use as a reference: Soil Mechanics Laboratory Manual (9th Edition). Oxford University Press, 2016.