كتب الهندسة الطبية الحيوية والبيولوجية Biomedical & Biological Engineering Books Library






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تاريخ التسجيل: Mar 2003
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Evaluation of Minimum Longitudinal Reinforcement Requirements for RC Column

السلام عليكم

كتاب
Evaluation of Minimum Longitudinal Reinforcement Requirements for RC Column
Evaluation of Minimum Longitudinal Reinforcement Requirements for RC Column


IMPLEMENTATION
This research study was conducted with the intent of reducing the required minimum longitudinal reinforcement ratio for columns subjected to axial load in combination with minimal bending moment. However, although simple concrete creep models suggest that longitudinal reinforcement ratios reduced below the current 1 percent requirement will prevent passive yielding of longitudinal reinforcement, results of the long-term creep tests reported herein do not support this hypothesis. Therefore, the current AASHTO requirement for minimum longitudinal reinforcement in columns should remain at 1 percent of grosssection
area.

ACKNOWLEDGEMENTS
The research study reported herein involved the long-term monitoring of reinforced concrete
columns under sustained axial load. The report is based on portions of theses published at The
University of Texas by Paul H. Ziehl and Jeffrey E. Cloyd. In addition to these coauthors
of the report, the authors are indebted to a
number of other graduate students and undergraduate students
who assisted with fabrication of testing apparatuses and specimens, and
loading of the specimens. The overall project was greatly
enhanced by the technical assistance
provided during the planning stages of the testing program by Mr. David W.
McDonnold (TxDOT Project Director) of the TxDOT Design Division.



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