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Geotechnical Engineering-II [Lec #14: Timoshenko & Goodier Method]

Class notes of Geotechnical Engineering course I used to teach at UET Lahore. Feel free to download the slide show.
Anyone looking to modify these files and use them for their own teaching purposes can contact me directly to get hold of editable version.

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Geotechnical Engineering-II [Lec #14: Timoshenko & Goodier Method]

  1. 1. 1 Geotechnical Engineering–II [CE-321] BSc Civil Engineering – 5th Semester by Dr. Muhammad Irfan Assistant Professor Civil Engg. Dept. – UET Lahore Email: mirfan1@msn.com Lecture Handouts: https://groups.google.com/d/forum/geotech-ii_2015session Lecture # 14 20-Oct-2017
  2. 2. 2 PRACTICE PROBLEM #3 Estimate the elastic settlement at the center of the raft (or mat) foundation for a building with the given data; qo = 134 kPa; B x L = 33.5 x 39.5 m The strata comprises of a 6.0 m thick dense sand deposit (ES = 42.5 MPa) overlying a hard clay stratum (ES = 60 MPa) extending to a depth of 14.0 m below NSL. A sandstone deposit (ES ≥ 750 MPa) exists below 14.0 m depth. The foundation is placed at a depth of 3.0 m below NSL.
  3. 3. 3 IF Square foundation; L/B = 1 Strip foundation; L/B ≥ 5
  4. 4. 4 IF Square foundation; L/B = 1 Strip foundation; L/B ≥ 5
  5. 5. 5
  6. 6. 6 PRACTICE PROBLEM #4 Resolve Practice Problem #2 and determine the total settlement at the center of concrete raft foundation with the following additional information given; Es for Top Soil = 15 MPa Es for Sand = 18.5 MPa above WT and 11 MPa below WT Es for Clay = 23.04 MPa Consider the raft to be rigid.
  7. 7. 7 IF Square foundation; L/B = 1 Strip foundation; L/B ≥ 5
  8. 8. 8
  9. 9. 13 CONCLUDED REFERENCE MATERIAL Foundation Analysis and Design (5th Ed.) Joseph E. Bowles Chapter #5 Principles of Geotechnical Engineering (7th Ed.) Braja M. Das Chapter #11 Essentials of Soil Mechanics and Foundations (7th Ed.) David F. McCarthy Chapter #10 (Schmertmann Method) (Timoshenko & Goodier Method) (Modified Mayerhof Method)

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