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 Performance-Based Design of Inundated Coastal Structures
Tác giả hoặc Nhóm tác giả: Trung Q. Do, John van de Lindt, Daniel Cox
Nơi đăng: Engineering Mechanic Institute Conference - EMI 2016/PMC 2016; Số: 80;Từ->đến trang: 217-217;Năm: 2016
Lĩnh vực: Khoa học; Loại: Báo cáo; Thể loại: Quốc tế
TÓM TẮT
Finite element models for modeling the structural response of structures to earthquakes and wind loading are well developed. However, the applicability of these numerical models to other hazards such as wave loading due to extreme wind storms is less well understood, particularly due to complex nature of waves interacting with real geometries. This paper presents a unique application to performance-based design development using a numerical model of a wave flume. The model is shown to be able represent the physical 2-D wave flume at Oregon State University including the wave maker, flume and test specimens with sufficient accuracy for design code development applications. Wave spectra at the location of the test specimens were compared to wave spectra inshallow water to ensure they matched the design hurricane waves. Two existing laboratory tests, namely a full scale transverse wood wall subjected to wave loading and a large scale I-10 bridge subjected to wave loading, were used to confirm the accuracy of the modeling approach. The same approach is used for a full-scale numerical model of a bridge section to illustrate the use of fragility curves for performance-based design of inundated coastal infrastructures.
ABSTRACT
Finite element models for modeling the structural response of structures to earthquakes and wind loading are well developed. However, the applicability of these numerical models to other hazards such as wave loading due to extreme wind storms is less well understood, particularly due to complex nature of waves interacting with real geometries. This paper presents a unique application to performance-based design development using a numerical model of a wave flume. The model is shown to be able represent the physical 2-D wave flume at Oregon State University including the wave maker, flume and test specimens with sufficient accuracy for design code development applications. Wave spectra at the location of the test specimens were compared to wave spectra inshallow water to ensure they matched the design hurricane waves. Two existing laboratory tests, namely a full scale transverse wood wall subjected to wave loading and a large scale I-10 bridge subjected to wave loading, were used to confirm the accuracy of the modeling approach. The same approach is used for a full-scale numerical model of a bridge section to illustrate the use of fragility curves for performance-based design of inundated coastal infrastructures.
[ 2016\2016m05d028_3_33_22EMI-PMC2016-Trung_DO.pdf ]
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