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| Content Provider | MDPI |
|---|---|
| Author | CHO, Hyung KIM, Nam PARK, Heon KIM, Dong |
| Abstract | The shear wave velocity (VS) is a key parameter for estimating the deformation characteristics of soil. In order to predict the settlement of shallow footings in granular soil, the VS and the concept of Schmertmann’s framework were adopted. The VS was utilized to represent soil stiffness instead of cone tip resistance (qc) because the VS can be directly related to the small-strain shear modulus. By combining the VS measured in the field and the modulus reduction curve measured in the laboratory, the deformation characteristics of soil can be reliably estimated. Vertical stress increments were determined using two different profiles of the strain influence factor (Iz) proposed in Schmertmann’s method and that calculated from the theory of elasticity. The corresponding modulus variation was determined by considering the stress level and strain at each depth. This state-dependent stress-strain relationship was utilized to calculate the settlement of footings based on the theory of elasticity. To verify the developed method, geotechnical centrifuge tests were carried out. The VS profiles were measured before each loading test, and the load-settlement curves were obtained during the tests. Comparisons between the measured and estimated load-settlement curves showed that the developed method adequately predicts the settlement of footings, especially for over-consolidated ground conditions. |
| File Size | 3220480 |
| File Format | |
| e-ISSN | 20763417 |
| DOI | 10.3390/app7111105 |
| Journal | Applied Sciences |
| Issue Number | 11 |
| Volume Number | 7 |
| Language | English |
| Publisher Date | 2017-10-25 |
| Access Restriction | Open |
| Subject Keyword | settlement shallow footing shear wave velocity centrifuge test |
| Content Type | Text |
| Resource Type | Article |
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