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BITS Pilani Institutional Repository: Recent submissions

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Axial load prediction of circular hybrid double-skin tubular columns using interpretable gradient boosting machine learning models

Singh, Shamsher Bahadur; Barai, Sudhir Kumar (Springer, 2026-01)

This study assesses the predictive performance of three gradient-boosting Machine Learning (ML) models, Gradient Boosting Machine (GBM), eXtreme Gradient Boosting (XGBoost), and Light Gradient Boosting Machine (LightGBM), ...
A simplified mix proportioning method for structural grade lightweight concrete using sintered flyash lightweight aggregate

Singh, Shamsher Bahadur; Barai, Sudhir Kumar (Springer, 2026-01)

Structural concrete of a designed strength can be produced for specific requirements by using the accepted methods of mix design but the present Indian standards on mix design does not takes into account the procedure for ...
Green concrete : a sustainable construction material

Barai, Sudhir Kumar (Springer, 2025)

This book explores recycling and reusing construction wastes as alternative coarse aggregates and presents this as a possible solution for the major challenge of making sustainable concrete. It explores the reduction of ...
Empirical model for determining compressive strength using post-installed pull-out test for structural lightweight concrete made with sintered flyash lightweight aggregate

Singh, Shamsher Bahadur; Barai, Sudhir Kumar (Wiley, 2025-06)

In recent years, structural lightweight concrete has gained momentum in its use due to its superior properties in terms of dead load reduction, better thermal comfort, improved fire resistance, etc. The use of lightweight ...
Empirical model for static and dynamic modulus of elasticity for sintered flyash lightweight aggregate based concrete

Singh, Shamsher Bahadur; Barai, Sudhir Kumar (Springer, 2025-09)

The present study developed a relationship between the (a) compressive strength and static Modulus of Elasticity (MOE), (b) compressive strength and dynamic MOE, and (c) the static MOE and dynamic MOE for sintered fly ash ...
Probabilistic life cycle assessment of ash-based sintered lightweight aggregates manufactured with producer gas and coal-operated thermal power

Singh, Shamsher Bahadur; Barai, Sudhir Kumar (Springer, 2025-09)

The infrastructure growth in the world is expected to result in huge requirement of 12.5 billion tonnes of coarse aggregates in 2050. The utilization of artificial aggregates can pave a feasible pathway for tackling the ...
Production and characterization of materials

Barai, Sudhir Kumar (Springer, 2025-10)

In the previous chapter, we have discussed the pressing need for a durable and green concrete. Use of recycled concrete aggregates as coarse aggregate replacement and other SCMs as partial cement substitute can become ...
Microstructure properties

Barai, Sudhir Kumar (Springer, 2025-10)

Concrete comprises of three different phases such as (1) aggregate, (2) hardened cement matrix and (3) interfacial transition zone (ITZ) between the aggregate and matrix. Heterogeneity in concrete at the microstructural ...
Environmental impact of concrete

Barai, Sudhir Kumar (Springer, 2025-10)

Sustainable concrete production demands satisfaction of the two most important criteria such as optimization of resources and minimization of end-of-life wastes. As discussed in the previous chapters, one of the important ...
Behaviour of reinforced concrete slabs under punching shear

Barai, Sudhir Kumar (Springer, 2025-10)

Flat slab supported by an interior column is a complicated problem due to the most likely phenomenon of punching shear failure. This chapter discusses the punching shear behaviour of recycled aggregate concrete with coarse ...
Fresh concrete properties

Barai, Sudhir Kumar (Springer, 2025-10)

Concrete constituted of coarse recycled concrete aggregate and supplementary cementitious materials must display technical properties similar to or within an acceptable range of deviation when compared to the existing ...
Recent advances, recommendations, and way forward

Barai, Sudhir Kumar (Springer, 2025-10)

The use of concrete construction has never been so rampant before and the demand is continuously rising. As a result, the environment is overburdened with the increased CO2 emissions associated with cement and exploitation ...
Behaviour of reinforced concrete beams

Barai, Sudhir Kumar (Springer, 2025-10)

In the preceding chapters, we have discussed the properties of concrete, specifically focussing on the material behaviour of SCM and recycled coarse aggregates. The primary challenge in incorporating this sustainable ...
Mixing and mix proportioning methods

Barai, Sudhir Kumar (Springer, 2025-10)

Concrete performance depends not only on the constituent materials but also on the proportions in which the materials are mixed and the order of mixing during casting. So, the constituents of known qualities need to be ...
Hardened concrete properties

Barai, Sudhir Kumar (Springer, 2025-10)

Concrete made with coarse recycled concrete aggregate and supplementary cementitious materials must display technical properties similar to or in an acceptable range of deviation as compared to the existing conventional ...
Machine learning-based prediction of axial load and strain capacities for circular FRP-concrete-steel double-skin tubular columns

Singh, Shamsher Bahadur; Barai, Sudhir Kumar (Taylor & Francis, 2025-12)

Fiber-reinforced polymer (FRP)-concrete-steel double-skin tubular columns (hybrid DSTCs) are innovative composite columns offering high strength, ductility, corrosion resistance, and lightweight due to hollow cross-section. ...
Wavelet entropy-based evaluation of intrinsic predictability of time series

Guntu, Ravikumar (AIP, 2020-03)

Intrinsic predictability is imperative to quantify inherent information contained in a time series and assists in evaluating the performance of different forecasting methods to get the best possible prediction. Model ...
Spatiotemporal variability of Indian rainfall using multiscale entropy

Guntu, Ravikumar (Elsevier, 2020-08)

Understanding the spatiotemporal variability of rainfall is vital for water resources planning and management, flood and drought mitigation, and erosion control, among others. Despite the progress in this direction, through ...
Accounting for temporal variability for improved precipitation regionalization based on self-organizing map coupled with information theory

Guntu, Ravikumar (Elsevier, 2020-11)

Precipitation regionalization deals with an investigation of the seasonality and its temporal variability and is useful for a wide variety of applications in hydro-meteorology. The d homogeneous regions can be used as a ...
Investigation of precipitation variability and extremes using information theory

Guntu, Ravikumar (MDPI, 2020-11)

Quantifying the spatiotemporal variability of rainfall is the principal component for the assessment of the impact of climate change on the hydrological cycle. A better understanding of the quantification of variability ...

Now showing items 1-20 of 20019

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