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Now showing items 1-20 of 826

A study of fatigue crack growth IS-1020 steel under constant-amplitude loading

Singh, Shamsher Bahadur (Elsiever, 1992)

Crack propagation experiments were performed on IS-1020 steel for various load ranges and stress ratios. At constant maximum load, the life of the specimen increased as the load ratio increased. The crack growth data were ...
Investigation of fatigue crack growth after a single cycle peak overload in IS 1020 steel

Singh, Shamsher Bahadur (Elsiever, 1992)

Crack propagation experiments were conducted on IS 1020 steel for various overload ratios (1·2, 1·3 and 1·4). On the basis of these experiments one power law is developed to predict the crack propagation delay period. The ...
Experimental observations of fatigue crack growth in IS-1020 steel under constant amplitude loading

Singh, Shamsher Bahadur (Elsiever, 1993)

Crack propagation experiments were performed on a 0·2% C 0·9% Mn (IS-1020) steel for various load ranges and stress ratios. At constant load range, the life of the specimen decreased as the load ratio increased. The crack ...
Sensitivity‐Based Weighted‐Average in Structural Damage Assessment

Barai, Sudhir Kumar (ASCE, 1994)

To quantify the global damageability of a structure, the weighted‐average function defined in terms of damage condition and the importance or weightages of structural elements has generally been used in literature. Judgment ...
Neural Networks for Damage Detection in Steel Railway Bridges

Barai, Sudhir Kumar (IABSE, 1995)

The paper presents Artificial Neural Networks developed for typical steel railway bridges for the purpose of damage detection. Multilayer perceptrons have been used for generating the architecture for the bridges of ...
Performance of the generalized delta rule in structural damage detection

Barai, Sudhir Kumar (Elsiever, 1995-04)

The paper examines the suitability of the generalized data rule in training artificial neural networks (ANN) for damage identification in structures. Several multilayer perceptron architectures are investigated for a typical ...
Progressive failure of symmetrically laminated plates under uni-axial compression, Structural Engineering and Mechanics

Singh, Shamsher Bahadur (Korea Institute of Science and Technology Information, 1997)

The objective of this work is to predict the failure loads, associated maximum transverse displacements, locations and the modes of failure, including the onset of delamination, of thin, flat, square symmetric laminates ...
Progressive failure of symmetric laminates under in-plane shear, Part I-Positive Shear, Structural Engineering and Mechanics

Singh, Shamsher Bahadur (Korea Institute of Science and Technology Information, 1998)

The objective of this present work is to estimate the failure loads, associated maximum transverse displacements, locations and the modes of failure, including the onset of delamination, of thin, square symmetric laminates ...
Progressive failure of symmetric laminates under in-plane shear: Il-Negative shear

Singh, Shamsher Bahadur (Korea Institute of Science and Technology Information, 1998)

The objective of the present work is to estimate the strength and failure characteristics of symmetric thin square laminates under negative shear load. Two progressive failure analyses, one using the Hashin criterion and ...
Ensemble modeling or selecting the best model: Many could be better than one

Barai, Sudhir Kumar (1999)

In the course of data modeling, many models could be created. Much work has been done on formulating guidelines for model selection. However, by and large, these guidelines are conservative or too speci c. Instead of using ...
Determination of optimal loss rate parameters and unit hydrograph

Gupta, Rajiv (USGS, 1999)
Postbuckling response and strength of laminates under combined in-plane loads

Singh, Shamsher Bahadur (Elsiever, 1999-04)

The objective of this work is to study the postbuckling behaviour and progressive failure response of thin, symmetric laminates under uniaxial compression and uniaxial compression combined with in-plane shear loads (positive ...
Ensemble modelling or selecting the best model: Many could be better than one

Barai, Sudhir Kumar (CUP, 1999-11-01)

In the course of data modelling, many models could be created. Much work has been done on formulating guidelines for model selection. However, by and large, these guidelines are conservative or too specific. Instead of ...
Soil Bearing Capacity Determination using Ultrasonics

Kumar, Kamalesh (Journal of Pure and Applied Ultrasonics, 2000)
Extended Use of Linear Graph Theory for Analysis of Pipe Networks

Gupta, Rajiv (ASCE, 2000-01)

Linear graph theory used for pipe network analysis is to make the method systematic. A numerical method that uses linear graph theory is presented for the steady-state analysis of flow and pressure in a pipe network including ...
Integration of damage assessment paradigms of steel bridges on a blackboard architecture

Barai, Sudhir Kumar (Elsiever, 2000-10)

This paper presents damage assessment paradigms integrated on blackboard platforms with special reference to steel bridge structures. The implementation of knowledge sources developed using paradigms of domain-specific ...
Pore fluid effect on shear strength of Pilani soil

Kumar, Kamalesh (Journal of the Institution of Engineers, 2001)

Soil strength and its accurate determination are always important issues to a soil engineer. Pore fluid and its characteristics are found to have significant effect in modifying shear strength parameters. Present study ...
Application of Linear Goal Programming in Water Quality Management of a River Stretch

Singh, Ajit Pratap (Narosa, 2001)
Studies on instance based learning models for liquefaction potential assessment

Barai, Sudhir Kumar (EJCE, 2002)
Neuro-ensemble for air quality prediction

Barai, Sudhir Kumar (Loughborough University, 2002)

The present study investig; ttes the advantage of ensemble of neural networks (Haykin, 2000) for forecasting the air pollution. The aim is to find accurate air quality predictors, which can work with low number of data ...

Now showing items 1-20 of 826

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