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Modified PCI Multipliers for Time-Dependent Deformation of PSC Bridges
المؤلفون المشاركون
Park, Chan-Gi
Lee, Joo-Ha
Lim, Kwang-Mo
المصدر
العدد
المجلد 2018، العدد 2018 (31 ديسمبر/كانون الأول 2018)، ص ص. 1-13، 13ص.
الناشر
Hindawi Publishing Corporation
تاريخ النشر
2018-07-10
دولة النشر
مصر
عدد الصفحات
13
التخصصات الرئيسية
الملخص EN
Nowadays prestressed concrete (PSC) bridges have become very common, but there are still many difficulties in predicting their long-term behavior.
In order to predict the long-term behavior of PSC bridges, it is possible to use very complex formulas developed by various researchers or numerical analysis through computer, but many engineers are having difficulty in using such methods.
Moreover, the accuracy of the prediction result is not satisfactory compared to the effort.
On the contrary, the PCI Bridge Design Manual proposes a method that can easily predict the long-term behavior using multipliers.
However, this method does not take into account various construction schedules and has some assumptions that are inadequate for the current situation in various girder sections and topping thicknesses.
Therefore, in this study, new long-time factors were developed by modifying the multipliers of the PCI Bridge Design Manual by a rational manner.
This allows prediction of long-term behavior of bridges taking into account various construction schedules and the characteristics of modern girder sections.
The prediction results of the long-term camber and deflection of PSC bridges using the proposed multipliers were compared with those using the basic PCI Bridge Design Manual, the improved PCI Bridge Design Manual, KR C-08090 (same as ACI 318-14), and numerical analysis.
As a result, the newly proposed method makes possible to predict the long-term behavior at any time after casting, and the accuracy of the prediction is also improved.
نمط استشهاد جمعية علماء النفس الأمريكية (APA)
Lee, Joo-Ha& Lim, Kwang-Mo& Park, Chan-Gi. 2018. Modified PCI Multipliers for Time-Dependent Deformation of PSC Bridges. Advances in Civil Engineering،Vol. 2018, no. 2018, pp.1-13.
https://search.emarefa.net/detail/BIM-1115364
نمط استشهاد الجمعية الأمريكية للغات الحديثة (MLA)
Lee, Joo-Ha…[et al.]. Modified PCI Multipliers for Time-Dependent Deformation of PSC Bridges. Advances in Civil Engineering No. 2018 (2018), pp.1-13.
https://search.emarefa.net/detail/BIM-1115364
نمط استشهاد الجمعية الطبية الأمريكية (AMA)
Lee, Joo-Ha& Lim, Kwang-Mo& Park, Chan-Gi. Modified PCI Multipliers for Time-Dependent Deformation of PSC Bridges. Advances in Civil Engineering. 2018. Vol. 2018, no. 2018, pp.1-13.
https://search.emarefa.net/detail/BIM-1115364
نوع البيانات
مقالات
لغة النص
الإنجليزية
الملاحظات
Includes bibliographical references
رقم السجل
BIM-1115364
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