Settlement Magnitude, Total Ultimate Settlement - Problems | CEE 3514, Quizzes of Civil Engineering

Download Settlement Magnitude, Total Ultimate Settlement - Problems | CEE 3514 and more Quizzes Civil Engineering in PDF only on Docsity! Quiz 1 (2.5 percent) Quiz 1 will be available on Blackboard from Thursday, 27 March at 6:00 p.m. to Sunday, 30 March at 10:00 p.m. There will be a total of 10 questions, consisting of the questions below and “short answer" type questions from your reading and notes. You will have 20 minutes to complete the quiz; only one attempt will be allowed. [tis open notes but you must work on your own. There will be no "makeup" quizzes, allowance for computer problems, etc.—it's over when it's over. As always, completing the quiz is entirely voluntary. Please carefully work the problem below before cntcring the quiz on Blackboard. You may ask questions while working it but we will not give you the answers. Remember to give yourself additional time during the quiz to answer all the questions. Questions | to 5: Scc attached solution Consider the square footing resting on a saturated clay layer, as shown below. A sample of soil for a consolidation test was taken al the mid-depth of the clay layer. 1. What is the total ultimate settlement (S) under the center of the footing? (Include contributions from both immediate and consolidation settlements in your answer.) All settlement values should be in units of inches. What are the settlement magnitudes at: 2. 50% and, 3. 90% average consolidation? How much time does it take to reach: 4, 50% and, 5. 90% consolidation? Plan view ° Problem Data: Q = 27,000 Ib 3 ft x 3 ft square footing o'p = 500 psf St eo = 1.0 Cz = 0.4; C, = 0.04; Cy = 80 £0 /yr oft Ysat = 110 pef ; Ey = 200,000 psf : The rock is impervious shale. a Rack '