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Idris, Abubakar
- Reliability Analysis of Eccentrically Loaded Bolted Connections in Direct Shear and Tension Using Approximate Procedure
Abstract Views :395 |
PDF Views:128
Authors
Affiliations
1 Dept. of Civil Engineering, Ahmadu Bello University, Zaria, NG
1 Dept. of Civil Engineering, Ahmadu Bello University, Zaria, NG
Source
Indian Journal of Science and Technology, Vol 3, No 3 (2010), Pagination: 344-348Abstract
Reliability analysis of eccentric connection fabricated from grade S275 steel plates, in direct shear and tension using approximate method of analysis in accordance with BS5950 (2000) was carried using First Order Reliability Method (FORM). Design variables such as applied load, eccentricity of applied loading, bolt diameter; considering various failure criteria of the connection were considered random and stochastic. It was shown among other findings that, the target safety indices of tensile, shear and combined failure criteria are 3.59, 5.13 and 2.26 respectively. Based on JCCS (2001), while shear design criterion is safe and uneconomical, tensile design criterion is satisfactory and combined criterion is economical and tends to unsafe region. The shear and combined design criteria therefore need to be reviewed in order to achieve a balanced design that gives a better compromise between safety and economy.Keywords
Reliability, Eccentric Connection, Direct Shear & Tension, Safety Index, BS5950Full Text
References
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- Probabilistic Design of Mechanically-jointed Timber Beams Using Eurocode 5
Abstract Views :405 |
PDF Views:67
Authors
Affiliations
1 Dept. of Civil Engg, Ahmadu Bello University, Zaria
2 Dept. of Civil Engg, Federal University of Tech., Akure, NG
1 Dept. of Civil Engg, Ahmadu Bello University, Zaria
2 Dept. of Civil Engg, Federal University of Tech., Akure, NG
Source
Indian Journal of Science and Technology, Vol 2, No 10 (2009), Pagination: 62-65Abstract
A computer program that automates a probability-based design of mechanically-jointed timber Ibeams subjected to gravity loading is presented. The specifications of the EC-5 (1995) and EN 338 timber strength classes were strictly followed in the program development. In addition, first order reliability method (FORM) was adopted in checking the safety of the designed section. Failure of bottom flange due to extreme fibre tensile stress produced the most uneconomical results. The maximum shear stress condition on the other hand, gave the most critical results of design. Therefore it is considered to be the most critical mode failure for mechanically jointed timber I-beams subjected to gravity loads.Keywords
Probabilistic Design, Mechanically Jointed Timber Beams, I-section, EC-5Full Text
References
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