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Live-Load Testing Application Using a Wireless Sensor System and Finite-Element Model Analysis of an Integral Abutment Concrete Girder Bridge
المؤلفون المشاركون
Halling, Marvin W.
Fausett, Robert W.
Barr, Paul J.
المصدر
العدد
المجلد 2014، العدد 2014 (31 ديسمبر/كانون الأول 2014)، ص ص. 1-11، 11ص.
الناشر
Hindawi Publishing Corporation
تاريخ النشر
2014-10-23
دولة النشر
مصر
عدد الصفحات
11
التخصصات الرئيسية
الملخص EN
As part of an investigation on the performance of integral abutment bridges, a single-span, integral abutment, prestressed concrete girder bridge near Perry, Utah was instrumented for live-load testing.
The live-load test included driving trucks at 2.24 m/s (5 mph) along predetermined load paths and measuring the corresponding strain and deflection.
The measured data was used to validate a finite-element model (FEM) of the bridge.
The model showed that the integral abutments were behaving as 94% of a fixed-fixed support.
Live-load distribution factors were obtained using this validated model and compared to those calculated in accordance to recommended procedures provided in the AASHTO LRFD Bridge Design Specifications (2010).
The results indicated that if the bridge was considered simply supported, the AASHTO LRFD Specification distribution factors were conservative (in comparison to the FEM results).
These conservative distribution factors, along with the initial simply supported design assumption resulted in a very conservative bridge design.
In addition, a parametric study was conducted by modifying various bridge properties of the validated bridge model, one at a time, in order to investigate the influence that individual changes in span length, deck thickness, edge distance, skew, and fixity had on live-load distribution.
The results showed that the bridge properties with the largest influence on bridge live-load distribution were fixity, skew, and changes in edge distance.
نمط استشهاد جمعية علماء النفس الأمريكية (APA)
Fausett, Robert W.& Barr, Paul J.& Halling, Marvin W.. 2014. Live-Load Testing Application Using a Wireless Sensor System and Finite-Element Model Analysis of an Integral Abutment Concrete Girder Bridge. Journal of Sensors،Vol. 2014, no. 2014, pp.1-11.
https://search.emarefa.net/detail/BIM-1042989
نمط استشهاد الجمعية الأمريكية للغات الحديثة (MLA)
Fausett, Robert W.…[et al.]. Live-Load Testing Application Using a Wireless Sensor System and Finite-Element Model Analysis of an Integral Abutment Concrete Girder Bridge. Journal of Sensors No. 2014 (2014), pp.1-11.
https://search.emarefa.net/detail/BIM-1042989
نمط استشهاد الجمعية الطبية الأمريكية (AMA)
Fausett, Robert W.& Barr, Paul J.& Halling, Marvin W.. Live-Load Testing Application Using a Wireless Sensor System and Finite-Element Model Analysis of an Integral Abutment Concrete Girder Bridge. Journal of Sensors. 2014. Vol. 2014, no. 2014, pp.1-11.
https://search.emarefa.net/detail/BIM-1042989
نوع البيانات
مقالات
لغة النص
الإنجليزية
الملاحظات
Includes bibliographical references
رقم السجل
BIM-1042989
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