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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국콘크리트학회 International Journal of Concrete Structures and Materials International Journal of Concrete Structures and Materials Vol.14 No.3
- 발행연도
- 2020.5
- 수록면
- 361 - 373 (13page)
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초록· 키워드
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Distribution factors (DFs) for one typical cross-section as specified in the AASHTO LRFD specification can be varied when the bridge parameters such as span length, loading lanes and skew are changed. The diversity between design and actual DFs may be varied as the bridge parameters changed. To study this diversity, this paper presents an evaluation of lateral load DFs for prefabricated hollow slab bridges. The response of the bridge was recorded during the field test. This field test was divided into two stages: a concentrated force loading test on the prefabricated girder that settled on the bridge supports before the girders were connected transversely and a vehicle loading test after the girders were connected transversely. The instruments used to record the response of the bridge were strain gauges and dial indicators. The measured data in the multi-stages of the field test could be used to calibrate the support condition of the bridge and transverse connection between adjacent girders in the finite element model (FEM) using beam and plate elements. From the FEM, DFs for this hollow slab bridge were determined and compared with the DFs in the AASHTO LRFD specification. A parametric study using the calibrated FEM was then used to investigate the effect of various parameters including span length, skew and bridge deck thickness on the DFs. It was found that AASHTO LRFD specification is conservative compared with the analysis in the FEM, while this conservatism decreased as the span length and skew of the hollow slab bridge increased.
목차
Abstract
1. Introduction
2. Bridge Description
3. Vehicle Loading Test
4. Finite-Element Model
5. Live Load Distribution Factors
6. Parametric Study
7. Conclusions
8. Discussion
References
참고문헌 (19)
참고문헌 신청
Bakht, B. / 1988 / Bearing restraint in slab-on-girder bridges / Journal of Structural Engineering 114:2724~2740
Barker, M. G. / 2001 / Quantifying field-test behavior for rating steel girder bridges / Journal of Bridge Engineering 6:254~261
Bechtel, A. / 2010 / Ultimate capacity destructive testing and finite-element analysis of steel I-girder bridges / Journal of Bridge Engineering 16:197~206
Civitillo, J. M. / 2014 / In-service performance and behavior characterization of the hybrid composite bridge system—A case study / arXiv preprint arXiv :1409.2447
Conner, S. / 2006 / Influence of parapets and aspect ratio on liveload distribution / Journal of Bridge Engineering 11:188~196
Barker, M. G. / 2001 / Quantifying field-test behavior for rating steel girder bridges / Journal of Bridge Engineering 6:254~261
Bechtel, A. / 2010 / Ultimate capacity destructive testing and finite-element analysis of steel I-girder bridges / Journal of Bridge Engineering 16:197~206
Civitillo, J. M. / 2014 / In-service performance and behavior characterization of the hybrid composite bridge system—A case study / arXiv preprint arXiv :1409.2447
Conner, S. / 2006 / Influence of parapets and aspect ratio on liveload distribution / Journal of Bridge Engineering 11:188~196
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