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Object Description
| Title | Investigation of earthquake response of simple bridge structures, 1986 |
| Title (alternate) | Civil Engineering Technical Report Series - Strong Motion Group Contributions CE 86-02 |
| Type of alternate title | series |
| Description | The effects of the often neglected rotational components of strong earthquake ground motion on the response of two structural models are investigated. The first model approximates a structure by a massless column supporting a concentrated mass at its top and excited by incident plane waves in a homogeneous elastic half-space. The linear analysis, the effects of the vertical ground motion in the frequency term of the differential equation of motion neglected. The fourth order Runge-Kutta algorithm is employed to solve the nonlinear problem. The linear and nonlinear responses of the model for incident P, SV and Rayleigh wave excitations are studied. The transfer functions of the linear and nonlinear responses are investigated. The effects of rocking and vertical ground motions on the overall response of the model and on the response spectrum amplitudes are discussed.; The second model represents a three dimensional bridge with two spans erected on the elastic half-space and excited by incident body and rayleigh surface waves. The coupled-system of differential equations of motion is solved by the Runge-Kutta technique. The maximum relative rocking and twisting of the columns and the relative sliding of the girders is studied in the frequency domain. An application of the foregoing theory and examples of the response of a four span bridge model crossing a canyon and excited by transient earthquake excitations is presented. |
| Subject (lcsh) |
Earthquake engineering Structural dynamics Structural engineering Buildings -- Earthquake effects Earthquake hazard analysis |
| Keyword | bridges |
| Geographic subject (country) | USA |
| Author |
Kashefi, Ifa Trifunac, Mihailo D. (Mihailo Dimitrije) |
| Contributor | USC Viterbi School of Engineering |
| Publisher (of the digital version) | University of Southern California. Libraries |
| Date created | 1986-01 |
| Date issued | 1986-01 |
| Type | texts |
| Format (aat) | technical reports |
| Format (imt) |
application/pdf application/zip |
| Language | English |
| Legacy record ID | uscfac-m42 |
| Part of collection | University of Southern California Faculty Research and Publications |
| Series | Civil Engineering Technical Report Series - Strong Motion Group Contributions |
| Rights | Earthquake Engineering – Strong Motion Research Group, Civil Engineering Department, Viterbi School of Engineering, University of Southern California, Los Angeles, CA 90089-2531; Tel. (213) 740-0603, fax (213) 744-1426; http://www.usc.edu/dept/civil_eng/Earthquake_eng/ |
| Repository name | Libraries, University of Southern California |
| Repository address | University of Southern California Digital Library, USC Libraries, 3550 Trousdale Parkway, University Park Campus, Los Angeles, CA 90089-0185 |
| Filename | uscfac-CE86-02_1-abstr; uscfac-CE86-02_2-chap1; uscfac-CE86-02_3-chap2; uscfac-CE86-02_4-chap3; uscfac-CE86-02_5-chap4; uscfac-CE86-02_6-chap5; uscfac-CE86-02_7-chap6; uscfac-CE86-02_8-refs; uscfac-CE86-02_9-appdx; uscfac-CE86-02 |
Description
| Title | Page 1 |
| Archival file | uscfac_Volume6/uscfac-CE86-02_1-abstr.pdf |
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