Seismic Fragility Analysis of Bridge Group Pile Foundations considering Fluid-Pile-Soil Interaction
المؤلفون المشاركون
Wang, Piguang
Wu, Chengwang
Zhang, Chao
المصدر
العدد
المجلد 2020، العدد 2020 (31 ديسمبر/كانون الأول 2020)، ص ص. 1-17، 17ص.
الناشر
Hindawi Publishing Corporation
تاريخ النشر
2020-08-03
دولة النشر
مصر
عدد الصفحات
17
التخصصات الرئيسية
الملخص EN
The cross-sea bridges play an important role to promote the development of regional economy.
These bridges located in earthquake-prone areas may be subjected to severe earthquakes during their lifetime.
Group pile foundations have been widely used in cross-sea bridges due to their structural efficiency, ease of construction, and low cost.
This paper investigates the seismic performance of bridge pile foundation based on the seismic fragility analysis.
Based on the analysis platform OpenSees, the three-dimensional finite model of the bridge pile foundation is developed, where the pile-water interaction is replaced by the added mass method, nonlinear p-y, t-z, and q-z elements are used to simulate pile-soil interaction, and the displacement of the surface ground motion due to seismic excitations is applied on all spring supports.
The seismic fragility curves of the bridge pile foundation are generated by using the earthquake records recommended by FEMA P695 as input motions.
The curvature ductility based fragility curves are obtained using seismic responses for different peak ground accelerations.
The effects of pile-water interaction, soil conditions, and different types of ground motions on the bridge pier fragilities are studied and discussed.
Seismic fragility of the pier-group pile system shows that Sec C (the bottom section of the pier) is the most vulnerable section in the example fluid-structure-soil interaction (FSSI) system for all four damage LSs.
The seismic responses of Sec E (a pile section located at the interface of the soil layer and water layer) are much lower than other sections.
The parameter analysis shows that pile-water interaction has slight influence (less than 5%) on the fragility curves of the bridge pier.
For the bridge group pile foundations considering the fluid-pile-soil interaction, PNF may induce larger seismic response than far-field (FF) and no-pulse near field (NNF).
The bridge pile foundation in stiff soil is most vulnerable to seismic damage than soft condition.
نمط استشهاد جمعية علماء النفس الأمريكية (APA)
Zhang, Chao& Wu, Chengwang& Wang, Piguang. 2020. Seismic Fragility Analysis of Bridge Group Pile Foundations considering Fluid-Pile-Soil Interaction. Shock and Vibration،Vol. 2020, no. 2020, pp.1-17.
https://search.emarefa.net/detail/BIM-1212851
نمط استشهاد الجمعية الأمريكية للغات الحديثة (MLA)
Zhang, Chao…[et al.]. Seismic Fragility Analysis of Bridge Group Pile Foundations considering Fluid-Pile-Soil Interaction. Shock and Vibration No. 2020 (2020), pp.1-17.
https://search.emarefa.net/detail/BIM-1212851
نمط استشهاد الجمعية الطبية الأمريكية (AMA)
Zhang, Chao& Wu, Chengwang& Wang, Piguang. Seismic Fragility Analysis of Bridge Group Pile Foundations considering Fluid-Pile-Soil Interaction. Shock and Vibration. 2020. Vol. 2020, no. 2020, pp.1-17.
https://search.emarefa.net/detail/BIM-1212851
نوع البيانات
مقالات
لغة النص
الإنجليزية
الملاحظات
Includes bibliographical references
رقم السجل
BIM-1212851
قاعدة معامل التأثير والاستشهادات المرجعية العربي "ارسيف Arcif"
أضخم قاعدة بيانات عربية للاستشهادات المرجعية للمجلات العلمية المحكمة الصادرة في العالم العربي
تقوم هذه الخدمة بالتحقق من التشابه أو الانتحال في الأبحاث والمقالات العلمية والأطروحات الجامعية والكتب والأبحاث باللغة العربية، وتحديد درجة التشابه أو أصالة الأعمال البحثية وحماية ملكيتها الفكرية. تعرف اكثر