Investigation on Seismic Performance of Bidirectional Self-Centering Reinforced Concrete Frame Structures by Shaking Table Tests
المؤلفون المشاركون
Wang, Zhenying
Mao, Chenxi
Xie, Lili
المصدر
العدد
المجلد 2020، العدد 2020 (31 ديسمبر/كانون الأول 2020)، ص ص. 1-23، 23ص.
الناشر
Hindawi Publishing Corporation
تاريخ النشر
2020-01-29
دولة النشر
مصر
عدد الصفحات
23
التخصصات الرئيسية
الملخص EN
This paper presents an experimental study on the seismic performance of a bidirectional self-centering reinforced concrete (RC) frame structure.
In the structure, the column-base joints, which were installed with external mild steel (MS) dampers, could uplift freely and the beam-column joints could open effectively under earthquake excitations.
Angle steels and MS dampers were installed at the beam-column joints in the structural X and Y directions, respectively.
During the gap opening of the joints, unbonded posttensioned (PT) steel wires, which passed through the plastic ducts inserted in the RC beams and columns, provided the structure with the ability to return to pre-earthquake positions, and the yielding MS dampers and angle steels dissipated the seismic energy.
A 1/2-scale two-story model structure was designed and constructed.
Shaking table tests were performed on the structure under four different types of earthquake excitations with increasing seismic hazard levels.
The test results indicated that the self-centering RC frames installed in both the directions showed satisfactory seismic performance, with only slight damage to the main structure after extreme earthquakes.
The natural frequencies of the self-centering frames installed in both the directions degraded progressively, mainly because of the prestress loss of the PT steel wires and the yielding of the MS dampers.
The structure showed desirable self-centering ability with very small residual deformation under ground motions of all hazard levels.
The structural deformation was mainly concentrated at the column-base and beam-column joints, and hence, damage to the concrete beams and columns was considerably alleviated.
In addition, the residual gap opening of the joints was minimal.
نمط استشهاد جمعية علماء النفس الأمريكية (APA)
Wang, Zhenying& Mao, Chenxi& Xie, Lili. 2020. Investigation on Seismic Performance of Bidirectional Self-Centering Reinforced Concrete Frame Structures by Shaking Table Tests. Shock and Vibration،Vol. 2020, no. 2020, pp.1-23.
https://search.emarefa.net/detail/BIM-1209954
نمط استشهاد الجمعية الأمريكية للغات الحديثة (MLA)
Wang, Zhenying…[et al.]. Investigation on Seismic Performance of Bidirectional Self-Centering Reinforced Concrete Frame Structures by Shaking Table Tests. Shock and Vibration No. 2020 (2020), pp.1-23.
https://search.emarefa.net/detail/BIM-1209954
نمط استشهاد الجمعية الطبية الأمريكية (AMA)
Wang, Zhenying& Mao, Chenxi& Xie, Lili. Investigation on Seismic Performance of Bidirectional Self-Centering Reinforced Concrete Frame Structures by Shaking Table Tests. Shock and Vibration. 2020. Vol. 2020, no. 2020, pp.1-23.
https://search.emarefa.net/detail/BIM-1209954
نوع البيانات
مقالات
لغة النص
الإنجليزية
الملاحظات
Includes bibliographical references
رقم السجل
BIM-1209954
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