Effect of Construction Method on Shear Lag in Prestressed Concrete Box Girders

المؤلف

Zhou, Shi-Jun

المصدر

Mathematical Problems in Engineering

العدد

المجلد 2012، العدد 2012 (31 ديسمبر/كانون الأول 2012)، ص ص. 1-17، 17ص.

الناشر

Hindawi Publishing Corporation

تاريخ النشر

2012-10-15

دولة النشر

مصر

عدد الصفحات

17

التخصصات الرئيسية

هندسة مدنية

الملخص EN

Most of the previous researches conducted on shear lag of box girders were only concerned about simple types of structures, such as simply supported and cantilever beams.

The structural systems concerned in these previous researches were considered as determined and unchangeable.

In this paper, a finite element method considering shear lag and creep of concrete was presented to analyze the effect of dynamic construction process on shear lag in different types of concrete box-girder bridges.

The shear lag effect of the three types of a two-span continuous concrete beam classified by construction methods was analyzed in detail according to construction process.

Also, a three-span prestressed concrete box-girder bridge was analyzed according to the actual construction process.

The shear lag coefficients and stresses on cross sections along the beam including shear lag were obtained.

The different construction methods, the changes of structural system with the construction process, the changes of loading and boundary conditions with the construction process and time, the prestressing, and creep were all imitated in the calculations.

From comparisons between the results for beams using different construction methods, useful conclusions were made.

نمط استشهاد جمعية علماء النفس الأمريكية (APA)

Zhou, Shi-Jun. 2012. Effect of Construction Method on Shear Lag in Prestressed Concrete Box Girders. Mathematical Problems in Engineering،Vol. 2012, no. 2012, pp.1-17.
https://search.emarefa.net/detail/BIM-1001461

نمط استشهاد الجمعية الأمريكية للغات الحديثة (MLA)

Zhou, Shi-Jun. Effect of Construction Method on Shear Lag in Prestressed Concrete Box Girders. Mathematical Problems in Engineering No. 2012 (2012), pp.1-17.
https://search.emarefa.net/detail/BIM-1001461

نمط استشهاد الجمعية الطبية الأمريكية (AMA)

Zhou, Shi-Jun. Effect of Construction Method on Shear Lag in Prestressed Concrete Box Girders. Mathematical Problems in Engineering. 2012. Vol. 2012, no. 2012, pp.1-17.
https://search.emarefa.net/detail/BIM-1001461

نوع البيانات

مقالات

لغة النص

الإنجليزية

الملاحظات

Includes bibliographical references

رقم السجل

BIM-1001461