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Reliability Assessment Of Bs 8110 (1997) Ultimate Limit State Design Requirements For Reinforced Concrete Columns

Submitted2017-06-11
Last Update2017-06-11
TitleReliability Assessment Of Bs 8110 (1997) Ultimate Limit State Design Requirements For Reinforced Concrete Columns
Author(s)Author #1
Author title:
Name: Olusola John Adewumi
Org: Research Student, Department of Civil and Environmental Engineering, Federal University of Technology, Akure, Nigeria.
Country:
Email: p4artsola@yahoo.com

Author #2
Author title:
Name: Opeyemi Emmanuel Oluwatuyi
Org: Lecturer, Department of Civil Engineering, Landmark University, Omu-Aran, Nigeria.
Country:
Email: oluwatuyi.opeyemi@lmu.edu.ng

Author #3
Author title:
Name: Olasehinde Joseph Afolayan
Org: Professor, Department of Civil and Environmental Engineering, Federal University of Technology, Akure, Nigeria.
Country:
Email: joafol@yahoo.com

Other Author(s)
Contact AuthorAuthor #1
Alt Email: p4artsola@yahoo.com
Telephone:
KeywordsBS 8110 (1997), Structural reliability analysis, Reinforced concrete columns, Ultimate limit state design requirements
AbstractThis paper describes the reliability assessment of reinforced concrete columns designed according to the BS 81I0 (1997) ultimate limit state requirements. A typical cross-section (400 mm�400 mm) for three different commonly used columns was adopted and probabilistically assessed when all variables relating to the loading geometry and material properties are randomly distributed. First-Order Reliability Method (FORM) was employed to estimate the implied probability of failure for simulated loading and reinforcement quantities. The results showed that the cross-section (400 mm�400 mm) assessed could not sustain more than 40% of the expected ultimate design load before the violation of the limit state. In addition, the performance of reinforced concrete columns depends more on the applied load than on the amount of reinforcement used. The general inference from these results is that most of these types of columns designed according to BS 8110 (1997) have not failed, because they were carrying far less than their ultimate design loads.
Paperview paper 3978.pdf (521KB)

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