Search Results - "Roja, K. Lakshmi"
-
1
A comprehensive evaluation of mixture and binder properties to explore the use of low-density polyethylene (LDPE) as an asphalt modifier and co-modifier
Published in The international journal of pavement engineering (28-01-2023)“…There has been growing interest in the use of polyethylene (PE) in the asphalt industry as one way to mitigate the adverse environmental impact of waste…”
Get full text
Journal Article -
2
Rheological Investigations on Warm Mix Asphalt Binders at High and Intermediate Temperature Ranges
Published in Journal of materials in civil engineering (01-04-2018)“…AbstractWarm mix asphalt (WMA) technology is used to reduce mixing and compaction temperature of the binder; however, such addition is also expected to…”
Get full text
Journal Article -
3
Performance and blending evaluation of asphalt mixtures containing reclaimed asphalt pavement
Published in Road materials and pavement design (02-11-2021)“…This study aims to (1) determine an optimum amount of Reclaimed Asphalt Pavement (RAP) such that its addition does not adversely impact the fracture resistance…”
Get full text
Journal Article -
4
Assessing impact of chemical compatibility of additives used in asphalt binders: A case study using plastics
Published in Construction & building materials (12-12-2022)“…Economic and environmental factors mandate the use of engineered materials as well other waste or industrial by-products as an additive or extender in asphalt…”
Get full text
Journal Article -
5
A framework for the analysis of damage and healing viscoelastic behaviour of asphalt binders
Published in Construction & building materials (17-04-2023)“…•A framework was developed to characterize and model the damage and healing of asphalt.•Damage and healing were modeled by modifying the ‘k’ parameter in the…”
Get full text
Journal Article -
6
Chemical and multi-scale material properties of recycled and blended asphalt binders
Published in Construction & building materials (20-11-2020)“…Motivated with sustainability and economic factors, there is a rapid increase in the use of recycled asphalt pavement (RAP) material in the construction of new…”
Get full text
Journal Article -
7
Rheological, Thermal, and Chemical Evaluation of Asphalt Binders Modified Using Crumb Rubber and Warm-Mix Additive
Published in Journal of materials in civil engineering (01-05-2022)“…AbstractThis study evaluates the potential of producing warm-mix asphalt (WMA) using a wax-based additive (Sasobit) in a binder modified using crumb rubber…”
Get full text
Journal Article -
8
Influence of Confinement Pressure on the Development of Three Stage Curve for Bituminous Mixtures
Published in Transportation in developing economies (Online) (01-10-2016)“…As part of the mechanistic-empirical pavement design procedure, the flow number test is used to rank the bituminous mixtures for rutting. In the flow number…”
Get full text
Journal Article -
9
Ageing characteristics of polyethylene-modified asphalt binders blended with different compatibilisers
Published in Road materials and pavement design (25-04-2023)“…In this study, virgin low-density polyethylene (LDPE) and recycled polyethylene (RPE) were blended with an asphalt binder in combination with compatibilizers…”
Get full text
Journal Article -
10
Influence of polymer structure and amount on microstructure and properties of polyethylene-modified asphalt binders
Published in Materials and structures (01-04-2021)“…In recent years, the use of polyethylene (PE) for asphalt modification has been gaining increased attention due to the environmental sustainability and…”
Get full text
Journal Article -
11
Nanostructural and Nanomechanical Properties of LDPE-Modified Binders
Published in Journal of materials in civil engineering (01-06-2022)“…AbstractThe main objective of this study is to explore the effects of various asphalt binder modifiers, including styrene–butadiene–styrene (SBS), elemental…”
Get full text
Journal Article -
12
Analysis of reclaimed asphalt blended binders using linear and nonlinear viscoelasticity frameworks
Published in Materials and structures (01-10-2020)“…This paper presents a comprehensive analysis of blended asphalt binders extracted from mixtures that contain various amounts of reclaimed asphalt pavements…”
Get full text
Journal Article -
13
Analysis of performance of asphalt pavements in Qatar using mechanistic-empirical approaches
Published in Case Studies in Construction Materials (01-07-2023)“…Qatar roads are experiencing heavy traffic loads due to the rapid increase in the country’s population and construction projects over the past two decades…”
Get full text
Journal Article -
14
Influence of warm mix additive and loading rate on rutting of warm mix asphalt pavement
Published in The international journal of pavement engineering (04-03-2019)“…Two major types of warm mix asphalt (WMA) technologies exists and they are wax-based and chemical-based. The wax-based additive melt completely in the binder…”
Get full text
Journal Article -
15
A two-constituent nonlinear viscoelastic model for asphalt mixtures
Published in Road materials and pavement design (03-04-2021)“…The goal of this study is to model the creep and recovery response of fine asphalt mixtures using a thermodynamically consistent nonlinear viscoelastic model…”
Get full text
Journal Article -
16
Calretinin expression in odontogenic cysts and odontogenic tumors and the possible role of calretinin in pathogenesis of ameloblastoma
Published in Journal of oral and maxillofacial pathology : JOMFP (01-09-2019)“…Introduction: Histopathological diagnosis of odontogenic cysts and tumors is a task mostly accomplished with hematoxylin and eosin staining. However, the use…”
Get full text
Journal Article -
17
A rare coexistence of aspergillosis with actinomycosis
Published in Journal of oral and maxillofacial pathology : JOMFP (01-05-2017)“…Aspergillosis is a common systemic mycosis which affects immunocompromised and immunocompetent hosts. spp. is wide spread in the environment in most countries,…”
Get full text
Journal Article -
18
Assessment of aging behaviour of reclaimed asphalt binders: multi-scale mechanical and microstructural characterisation
Published in Road materials and pavement design (13-08-2024)Get full text
Journal Article -
19
Influence of Chemical Constituents of Asphalt Binders on Their Rheological Properties
Published in Transportation research record (01-06-2019)“…The goal of this study is to investigate the chemical constituents and rheological properties of three different binders used in the State of Qatar. Binders…”
Get full text
Journal Article -
20
Cathepsins in oral diseases
Published in Journal of Dr. NTR university of health sciences (01-07-2019)“…Cathepsins are a class of globular lysosomal proteases known to be responsible for protein degradation. In addition to proteolysis they have many biological…”
Get full text
Journal Article