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Use of alkali-silica reactive sedimentary rock powder as a resource to produce high strength geopolymer binder

Lahoti, Mukund (Elsevier, 2017-11)

This paper reports on an innovative way to utilize alkali-silica reactive (ASR) rocks as a natural resource to produce high strength geopolymer binder. Excavation of the Jurong rock caverns in Singapore has produced large ...

Viability of bacterial spores and crack healing in bacteria-containing geopolymer

Lahoti, Mukund (Elsevier, 2018-04)

Geopolymer is an emerging alternative green binder to Portland cement. Geopolymer is often more brittle and thus it is highly desirable to impart self-healing into geopolymer. Unlike Portland cement concrete, self-healing ...

Effects of Si/Al molar ratio on strength endurance and volume stability of metakaolin geopolymers subject to elevated temperature

Lahoti, Mukund (Elsevier, 2018-04)

Good structural performance in a fire scenario necessitates that the structural material possesses chemical stability, deformation resistance and strength endurance. Excellent chemical stability for geopolymers has been ...

Effect of alkali cation type on strength endurance of fly ash geopolymers subject to high temperature exposure

Lahoti, Mukund (Elsevier, 2018-09)

Choice of alkali cation in mix design of geopolymers is critical for their thermal performance. However, the influence of alkali cation type on strength endurance of geopolymers subject to high temperature exposure and the ...

Investigating the potential reactivity of fly ash for geopolymerization

Lahoti, Mukund (Elsevier, 2019-11)

This study investigated potential reactivity of fly ash for geopolymerization. A combined dissolution of fly ash in NaOH in conjunction with HCl extraction of fly ash-NaOH residue is proposed in this study to more accurately ...

A critical review of geopolymer properties for structural fire-resistance applications

Lahoti, Mukund (Elsevier, 2019-10)

Protection of structures from fire is of extreme importance. Geopolymer is a novel material that has wide-ranging applications, and this review article focuses on assessing the potential of geopolymers towards enhancing ...

Tailoring sodium-based fly ash geopolymers with variegated thermal performance

Lahoti, Mukund (Elsevier, 2020-03)

Sodium-based fly ash geopolymers show great fire resistance potential and commercial advantage for structural applications. Hence, in current research, tailoring of sodium-based geopolymer mix design without changing the ...

A succinct review on the use of NMR spectroscopy in monitoring hydration, strength development, and inspection of concrete

Lahoti, Mukund (Elsevier, 2022)

NMR is a very useful technique used in analytical chemistry for quality and molecular structure determination of a compound as well as its chemical environment. It works on the principle of the energy gap between two nuclei ...

A succinct review on the durability of treated recycled concrete aggregates

Lahoti, Mukund (Springer, 2022)

Building materials constitute a considerable portion of all the materials we use and about half the waste (in solid form) generated worldwide. Construction and demolishment (C&D) aggregates can be an invaluable source of ...

Pothole recognition using DeepCNN with layer permutation scheme

Lahoti, Mukund; Singh, Ajit Pratap; Roy, Nishant (SPIE, 2022-07)

Pavements need frequent maintenance and management, for which one needs detailed information related to the road condition. At present, much of the condition monitoring around the world is done manually in situ or using ...

Dynamic instability of composite skew plates using boundary characteristic orthogonal polynomials

Kumar, Rajesh (World Scientific, 2014)

Dynamic instability analysis of laminated composite skew plate for different skew angles subjected to different type of linearly varying in-plane loadings is investigated. The analysis also includes the instability of skew ...

Dynamic instability of damped composite skew plates under non-uniform in-plane periodic loading

Kumar, Rajesh (Elsevier, 2015-11)

In this paper, the non-linear dynamic instability of damped composite skew plates under non-uniform in-plane periodic loadings is studied using analytical methods. The structural model for composite skew plate is based on ...

Parametric resonance of composite skew plate under non-uniform in-plane loading

Kumar, Rajesh (Korea Science, 2015)

Parametric resonance of shear deformable composite skew plates subjected to non-uniform (parabolic) and linearly varying periodic edge loading is studied for different boundary conditions. The skew plate structural model ...

Post-Buckled Vibration Characteristic of Composite Cylindrical Shell Panels Under Parabolic In-Plane Edge Compression

Kumar, Rajesh (World Scientific, 2015)

In this paper, post-buckled vibration of cross-ply thick laminated cylindrical shell panels subjected to nonuniform (parabolic) uniaxial and biaxial compression is studied. The mathematical model is based on a higher order ...

Buckling behaviour of laminated composite skew plates with various boundary conditions subjected to linearly varying in-plane edge loading

Kumar, Rajesh (Elsevier, 2015-09)

In the present study, the buckling behaviour of laminated composite skew plates with different boundary conditions subjected to linearly varying in-plane loads are presented. The skew plate is modelled based on higher order ...

Nonlinear stability and dynamics of composite skew plates under nonuniform loadings using differential quadrature method

Kumar, Rajesh (Elsevier, 2016-04)

The buckling, postbuckling and postbuckled vibration behaviour of composite skew plates subjected to nonuniform inplane loadings are presented here. The skew plate is modelled using first order shear deformation theory ...

Linear and non-linear dynamic instability of functionally graded plate subjected to non-uniform loading

Kumar, Rajesh (Elsevier, 2016-10)

The present paper deals with the linear and non-linear dynamic instability of functionally graded materials (FGMs) plate subjected to non-uniform loading. Due to this loading, the in-plane stress distributions within the ...

Vibration and buckling of skew plates under linearly varying edge Compression

Kumar, Rajesh (International Journal of Acoustics and Vibration, 2019-06)

Pre-buckling vibration and buckling behaviour of composite skew plates subjected to linearly varying in-plane edge loading with different boundary conditions are studied. The total energy functional of the skew plate ...

Nonlinear Stability Characteristics of Composite Cylindrical Panel Subjected to Non-uniform In-plane Mechanical and Localized Thermal Loadings

Kumar, Rajesh (Indian National Science Academy, 2016-06)

The non-linear stability analysis of composite cylindrical panel subjected to concentrated in-plane mechanical and localized thermal loadings are reported here. The buckling of composite panel subjected to concentrated ...

Semi-analytical approach for thermal buckling and postbuckling response of rectangular composite plates subjected to localized thermal heating

Kumar, Rajesh (Springer, 2017)

A semi-analytical solution of thermal buckling and postbuckling equilibrium paths of rectangular composite plates subjected to localized thermal heating over the plate area with uniform temperature rise through its thickness ...

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