Indian Journal of Engineering & Materials Sciences

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Probabilistic Analysis of Ultimate Strength of Ferrocement Elements in Axial Tension


Affiliations
1 CSIR-Structural Engineering Research Centre, Taramani, Chennai 600 113, India
2 Department of Civil Engineering, Indian Institute of Science, Bangalore 560 012, India
 

This paper reports the results of probabilistic analysis of ultimate load, 𝑃𝑢, of normal and lightweight ferrocementelements under axial tension. The lightweight ferrocement element was realised by replacing the sand in cement mortar by blast furnace slag by 20%, 40%, 60%, 80% and 100%. In probabilistic analysis, the diameter and ultimate tensile strength of mesh wires and the modelling error associated with the prediction equation of ultimate load are treated as random variables. From the analysis of results of probabilistic analyses it has been found that the ultimate load follows a normal distribution at 5% significance level and also the bounds (mean1.64*standard deviation) enclose the experimental scatter and hence the characteristic strength can be used for the design of ferrocement members against ultimate limit state.

Keywords

Ferrocement, Wire mesh, Mortar, Blast furnace slag, Ultimate strength, Probabilistic analysis, Characteristic strength.
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  • Probabilistic Analysis of Ultimate Strength of Ferrocement Elements in Axial Tension

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Authors

K. Balaji Rao
CSIR-Structural Engineering Research Centre, Taramani, Chennai 600 113, India
Prakash Desayi
Department of Civil Engineering, Indian Institute of Science, Bangalore 560 012, India

Abstract


This paper reports the results of probabilistic analysis of ultimate load, 𝑃𝑢, of normal and lightweight ferrocementelements under axial tension. The lightweight ferrocement element was realised by replacing the sand in cement mortar by blast furnace slag by 20%, 40%, 60%, 80% and 100%. In probabilistic analysis, the diameter and ultimate tensile strength of mesh wires and the modelling error associated with the prediction equation of ultimate load are treated as random variables. From the analysis of results of probabilistic analyses it has been found that the ultimate load follows a normal distribution at 5% significance level and also the bounds (mean1.64*standard deviation) enclose the experimental scatter and hence the characteristic strength can be used for the design of ferrocement members against ultimate limit state.

Keywords


Ferrocement, Wire mesh, Mortar, Blast furnace slag, Ultimate strength, Probabilistic analysis, Characteristic strength.

References