Seismic performance of a grout-repaired construction defect ina column plastic hinge
Author
Source
The Arabian Journal for Science and Engineering. Section C, Theme issues
Issue
Vol. 31, Issue 1C(s) (30 Jun. 2006), pp.179-192, 14 p.
Publisher
King Fahd University of Petroleum and Minerals
Publication Date
2006-06-30
Country of Publication
Saudi Arabia
No. of Pages
14
Main Subjects
Topics
Abstract AR
تعاني الأعمدة الإسمنتية المعدة لاختبار استخدام حديد التسليح العرضي الذي يتعرض إلى اجتهادات زلزالية من عيوب إنشائية متعددة.
و قد بنيت هذه الأعمدة لتوضع في ظروف انحناء مزدوج, لذا يتوقع أن يتكون فيها مفاصل لدنه عند طرفي العمود.
و في أعلى العمود و عند المفصل ظهر عيب فراغي ؛ لأن الإسمنت لم يستطع النفاذ إلى داخل قفص حديد التسليح.
و قد رمم هذا الفراغ باستخدام ملاط عديم الانكماش في الحالة السائلة, و قمنا بإعادة اختبار هذا العمود و كانت النتائج مرضية, كما وجدنا أن هذا الترميم تمكن من الصمود بسبب اللي بمرونة عالية, و اكسب العمود الأسمنتي درجة كبيرة من الليونة, كما أدى الترميم إلى تناقص ضئيل في الانكماش و الصلادة عند المفاصل.
Abstract EN
A column built to test the use of high-strength transverse reinforcement in seismically-loaded shear-critical columns was found to have a construction defect.
The column was built to be loaded in double bending, and as such was expected to develop two plastic hinges, one at each end of the column.
In the plastic hinge region at the column top, a void was formed because the concrete could not pass through the load stub’s reinforcing steel cage.
This void was repaired using nonshrink grout placed in a fluid state.
The column was tested after repair, and performed satisfactorily.
The grouted repair was able to support large plastic rotations, and allowed the column to reach a high level of ductility.
The only effects of the repair were slightly reduced concrete dilation and stiffness in the repaired hinge.
American Psychological Association (APA)
Budek, Andrew. 2006. Seismic performance of a grout-repaired construction defect ina column plastic hinge. The Arabian Journal for Science and Engineering. Section C, Theme issues،Vol. 31, no. 1C(s), pp.179-192.
https://search.emarefa.net/detail/BIM-346823
Modern Language Association (MLA)
Budek, Andrew. Seismic performance of a grout-repaired construction defect ina column plastic hinge. The Arabian Journal for Science and Engineering. Section C, Theme issues Vol. 31, no. 1C (Jun. 2006), pp.179-192.
https://search.emarefa.net/detail/BIM-346823
American Medical Association (AMA)
Budek, Andrew. Seismic performance of a grout-repaired construction defect ina column plastic hinge. The Arabian Journal for Science and Engineering. Section C, Theme issues. 2006. Vol. 31, no. 1C(s), pp.179-192.
https://search.emarefa.net/detail/BIM-346823
Data Type
Journal Articles
Language
English
Notes
Includes appendix : p. 192
Record ID
BIM-346823