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Q1: 8. Go to http://www.julitovaldes.com/found and study the videos associated with slopes. Take notes on your Reader.See Answer
Q2: Go to PART IV of your Reader and read the Mobilization in piles section.See Answer
Q3: 4. Go to PART IV of your Reader and study the Settlement analysis section.See Answer
Q4: 7. Go to PART IV of your Reader and study the Lateral loading section.See Answer
Q5: Classify the soil using the attached charts. (apologies for the quality, but it is legible enough to make a determination)HINT: Grain size that separates sand from gravel is 4.75 mm See Answer
Q6: 1. (30 pts) For the following profile, calculate the total stress, pore water pressure, and effective stress for the midpoint of Layers B and D. Note that y is the moist unit weight and Ysat is the saturated unit weight for the material in a given layer. See Answer
Q7: 2. (30 pts) The site in Question 1 will be subject to grading. The maximum cut and fill cases are described below (Case A and B). Calculate the total stress, pore water pressure, and effective stress at the midpoint of Layer C for each case. a) (15 pts) The maximum cut will remove 8 feet of the existing soil material. b) (15 pts) The maximum fill will be 6 feet high. The fill soil has a compacted moist unit weight (y) of 120 pcf.See Answer
Q8: 3. (15 pts) Below are the results from a triaxial test that was performed on the material encountered in Layer C from the profile in Question 1. Use this graph to answer the following questions. a) (5 pts) For Sample #1, what is the peak deviator stress? b) (5 pts) For Sample #2, what is the deviator stress at the maximum strain? c) (5 pts) For Sample #3, what is the deviator stress at a strain of 5 percent? See Answer
Q9: 4. (35 pts) Below are the Mohr's Circles that were plotted based on the results provided inQuestion #3. Based on this Mohr's Circle plot, answer the following questions. a) (5 pts) What effective confining stress (ơʻ3) was applied to each of the samples? b) (10 pts) Note that this sample was taken from about the midpoint of Layer C (as indicated by the sample depth at the top of the graph). Assuming that we are evaluating the soil strength for the design of a structure to be located in the maximum cut area of the site, do you consider the confining stress values that were selected for this test (Part a) reasonable? Why or why not? If not, what confining stresses would you have recommended instead? c) (5 pts) What effective deviator stress (o1 – o'3) was recorded for each of the samples? d) (5 pts) Based on the deviator stresses in Part (c) and the deviator stress plots that were provided in Question 3, what failure criteria was used to create the Mohr's Circle plot? (5 percent strain, peak deviator stress, or maximum/15 percent strain) e) (10 pts) Based on this plot, what is the effective friction angle (') for this soil? What is the effective cohesion (c')? See Answer
Q10: 1. (50 pts) Create a spreadsheet or computer program that is capable of automatically generating a soil classification based on the American Association of State Highway Transportation officials (AASHTO) Soil Classification System. This spreadsheet/program should be able to generate a classification of a soil when provided with the weight of material retained on each of the sieves and the Atterberg Limits. Use the data provided in Questions 2 and 3 lo develop your computer protocol and check that it is working.See Answer
Q11: A sample of dry coarse-grained soil material of 500 grams was shaken through a nest of sieves andthe following results were obtained. a) Determine the percent of soil passing each sieve. b) Plot the grain size distribution curve c) Determine the uniformity coefficient and the coefficient of curvature. d) Classify the soil. See Answer
Q12: \text { a. Coulomb's earth pressure theory }\left(\delta^{\prime}=24^{\circ}\right) \text {, and } \text { b. Rankine's earth pressure theory. }See Answer
Q13:4. Go to PART V of your Reader and read it in its entirety.See Answer
Q14: 5. Go to http://www.julitovaldes.com/found and study the videos associated with walls. Take notes on your Reader.See Answer
Q15: 3. Go to PART IV of your Reader and study the Final comments section.See Answer
Q16: 7. Go to PART VI of your Reader and read it in its entirety.See Answer
Q17: 1. Given the cash flows as shown in the table below for four mutually exclusive alternatives. Determine the alternative that maximizes the Net Future worth (NFW) for a MARR of 8%.See Answer
Q18: 1. Go to PART IV of your Reader and read the Design section very carefully.See Answer
Q19: 1. (50 pts) Create a spreadsheet or computer program that is capable of automatically generating a soil classification based on the American Association of State Highway Transportation Officials (AASHTO) Soil Classification System. This spreadsheet/program should be able to generate a classification of a soil when provided with the weight of material retained on each of the sieves and the Atterberg Limits. Use the data provided in Questions2 and 3 to develop your computer protocol and check that it is working.See Answer
Q20: 2. A construction company is considering procuring one of two types of heavy constructionequipment (A and B). Each type of equipment is expected to have a 5-year useful life withzero salvage value. Equipment A can be purchased at a cost of $30,000, while Equipment Bwould cost $55,000. The net cash flows for each type of equipment are given below. (a) Using the conventional payback period approach, determine which type of equipment (A orB) the company should purchase. (C)Does your answer to 2b change if you use incremental benefit cost analysis approach?(Extra credit) (b) Consider the time value of money to be 12%. Determine which type of equipment (A or B)the company should procure using the benefit cost ratio.See Answer

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