Roohul Khan

Roohul Khan
Department of Civil COllege of Engineering King Khalid University Abha 61421

Doctor of Philosophy

About

97
Publications
83,254
Reads
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475
Citations
Additional affiliations
September 2013 - present
King Khalid University
Position
  • Lecturer
September 2013 - May 2017
King Khalid University
Position
  • Lecturer

Publications

Publications (97)
Article
Full-text available
Wastewater consisting of different pharmaceuticals and drug residues is quite challenging to treat and dispose of. This situation poses a significant impact on the health aspect of humans and other biotic organisms in the environment. The main concern of hospital wastewater (HWW) is the resistivity towards treatment using the different conventional...
Article
Full-text available
ARTICLE INFO Handling editor Keywords: Groundwater pollution Industry Heavy metal Health risk assessment Water quality index Hazard quotient index ABSTRACT Groundwater is the second largest water source for daily consumption, only next to surface water resources. Groundwater has been extensively investigated for its pollution level in urban areas....
Article
Full-text available
Purpose: Water is vital for the sustenance of every life form. Urbanization, growing population and industrial development has led to exploitation of water resources globally. This study assesses quality of water resources of Mohammedia prefecture. Design/methodology/approach: The water quality analysis was carried out based on physio-chemical and...
Article
Full-text available
Groundwater is the second largest water source for daily consumption, only next to surface water resources. Groundwater has been extensively investigated for its pollution level in urban areas. The groundwater quality assessments in industrial areas associated with every urban landscape are still lacking. This study was carried out in two industria...
Article
Full-text available
Ecosystem conservation requires monitoring natural resources, such as vegetation, freshwater, and wetland systems, as well as their adaptations to natural and anthropogenic stressors. As a result, the present study intends to assess the effect of future landslide on different ecosystem services in Aqabat Al-Sulbat regions. In the present study, lan...
Article
In this study, Hospital wastewater was treated using a submerged aerobic fixed film (SAFF) reactor coupled with tubesettler in series. SAFF consisted of a column with an up-flow biofilter. The biological oxygen demand (BOD)5, chemical oxygen demand (COD), nitrate and phosphate were the chosen pollutants for evaluation. The pollutants removal effici...
Chapter
Outdoor air pollution is a severe environmental threat. The study focuses on the urban air quality of Kenitra city in Morocco and its effect on human health. The air quality was evaluated for particulate matter, tropospheric ozone, carbon monoxide, sulfur oxides, nitrogen oxides, and lead. The air pollutant data was obtained for the year 2014 daily...
Article
Full-text available
Landslides and other catastrophic environmental disasters pose a significant danger to environmental, infrastructure, and people's lives. This research aimed to construct four optimized ensemble machine learning algorithms for landslide susceptibility (LS) mapping, namely particle swarm optimization (PSO) based artificial neural network (ANN), rand...
Article
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Building and its environment are in focus owing to health impact attributed to indoor air quality. This study was carried out to assess indoor air quality in terms of particulate matter (PM) and carbon dioxide in a residential building, during COVD-19 pandemic lockdown from March 25 to April 23, 2020, Abha, Saudi Arabia. The PM concentration range...
Article
Purpose: To evaluate the superpave design performance using Epolene (EE-2) as modifier, since SUPERPAVE design is a modified and sophisticated aspect as compared to previous mix design for asphalt mixtures. This is primarily due to the fact that superpave design mix also takes into consideration properties of materials beside asphalt. Design/method...
Article
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Groundwater is a primary natural water source in the absence of surface water bodies. Groundwater in urban environments experiences unprecedented stress from urban growth, population increase, and industrial activities. This study assessed groundwater quality in terms of arsenic and heavy metal contamination in three industrial areas (Shahdara, Jhi...
Article
Full-text available
Rainfall prediction using Artificial Intelligence technique is gaining attention nowadays. Semi-arid region receives rainfall below potential evapotranspiration but more than arid region. However, in mountainous semi-arid region high rainfall intensity makes it highly variable. This renders rainfall prediction difficult by applying normal technique...
Article
The present study investigates the spatiotemporal pattern of Land Use land cover (LULC) and land surface temperature (LST) in Abha for the years 1990, 2000, and 2018. This research also forecasts the future LULC and LST for the year 2028. The support vector machine (SVM) was utilised to classify the LULC for the periods 1990-2018. The LST for the s...
Article
Full-text available
Groundwater is a primary natural water source in the absence of surface water bodies. Groundwater in urban environments experiences unprecedented stress from urban growth, population increase, and industrial activities. This study assessed groundwater quality in terms of arsenic and heavy metal contamination in three industrial areas (Shahdara, Jhi...
Article
Full-text available
The environmental and economic concerns pertaining to the construction industry have necessitated the development of sustainable concrete. Durability and strength are the two primary properties which determine the sustainability of concrete. This study evaluated the performance of self-cured concrete produced from local vesicular basalt porous aggr...
Article
The need for wastewater treatment does not only arise from an environmental conservation point of view. But also, from the fact that it can be reused for secondary proposes. The most of hospitals being present in urban space, still their wastewater treatment are not fully explored. The Fluidized Aerobic Bed Bioreactor (FABB) treats wastewater in a...
Article
Full-text available
Purpose Air quality and its assessment in urban areas has become a necessity. This is attributed to the increasing air pollution in urban landscape from anthropogenic activities necessary for economic growth and development. This study investigates air quality and potential health risk posed from nitrogen dioxide (NO 2 ) to the residents of low tow...
Article
Full-text available
The aim is to present a summarized study of the available literature on Cryptosporidium and Giardia lamblia for Middle Eastern countries, in order to identify trends in human cryptosporidiosis and childhood morbidity, and to raise awareness among residents. This is necessary in order to address the gap in preventive measures required to mitigate th...
Chapter
In developing countries such as Morocco, the concentration of air pollutants has been steadily increasing since the Industrial Revolution in the 1970s; this level has reached a very large-scale in big cities. Therefore, it is extremely important to describe the problem, especially its toxic effects on human health. The study identified the sources...
Article
The arid and the semiarid regions around the world mostly rely on groundwater to meet the domestic and other demands, due to absence of surface waterbodies and very inconsistent rainfall. With increasing pollution and extreme climatic influence, the quality assurance of groundwater becomes much important to determine its suitability for domestic ne...
Article
Full-text available
Citation: Mallick, J.; Alqadhi, S.; Talukdar, S.; AlSubih, M.; Ahmed, M.; Khan, R.A.; Kahla, N.B.; Abutayeh, S.M. Risk Assessment of Resources Exposed to Rainfall Induced Landslide with the Development of GIS and RS Based Ensemble Metaheuristic Machine Learning Algorithms. Sustainability 2021, 13, 457. https://doi.
Article
Full-text available
Water resources quality assessment a basic requirement for ensuring its sustainability. Groundwater resources being restricted under the earth crust are at high risk of being polluted as compared to rivers which flow continuously. This study evaluated groundwater quality in Mohammedia prefecture, Morocco in terms of physicochemical parameters and s...
Article
Full-text available
Rainfall prediction using Artificial Intelligence technique is gaining attention nowadays. Semi-arid region receives rainfall below potential evapotranspiration but more than arid region. However, in mountainous semi-arid region high rainfall intensity makes it highly variable. This renders rainfall prediction difficult by applying normal technique...
Article
Full-text available
There are a number of wastewater studies, however research work of hospital wastewater is still lacking. This is owing to low volume of wastewater as compared to municipal wastewater. Nevertheless, hospital wastewater is very distinct in nature as compared to wastewater of other origins particularly owing to various hospital related activities. Hen...
Patent
The sustainable organic farming is a pressing need for a developing economy where there is a lot of pressure on the agriculture production due to large population. As the agriculture production demand increases so does the use of inorganic and chemical fertilizers and compost increases which deteriorates the soil fertility in the long run. Moreover...
Article
Full-text available
MERS-CoV first case was reported on 23rd November 2012 in Saudi Arabia, Since, then MERS has remained on World Health Organization (WHO) Blueprint list and declared pandemic. This study was conducted on MERS lab confirmed cases reported to Ministry of Health, Saudi Arabia and WHO for year 2012–2019. The epidemiology was investigated based on infect...
Article
Hospital wastewater are a lurking threat to environment and human health security for any given moment of time owing to its complexity and high vulnerability to cause disease outbreak. Though there are a number of treatment process for wastewater., there is a high need for employing cost-efficient and sustainable method of treatment. Hence a pilot...
Article
Hospital wastewater are a lurking threat to environment and human health security for any given moment of time owing to its complexity and high vulnerability to cause disease outbreak. Though there are a number of treatment process for wastewater., there is a high need for employing cost-efficient and sustainable method of treatment. Hence a pilot...
Chapter
Fall injuries are experienced worldwide ranging from fatalities to hospitalization especially in Elderly population. The available soft flooring options are restricted to specific buildings and location. The study developed soft flooring material incorporating crumb rubber from waste tyres to provide cushion effect in flooring to induce cushion eff...
Article
Full-text available
This paper presents a nonlinear dynamic analysis procedure used for the investigation of the response of a tensegrity bridge to a selected sudden cable rupture. In order to simulate a cable rupture, for the loaded or unloaded geometry of the tensegrity structure, a geometrical nonlinear analysis is performed and the cable end tensions projected in...
Article
Full-text available
Saudi Arabia's arid and semi-arid regions suffer from water scarcity because of climatic constraints and rapid growth of domestic and industrial water uses. The growing demand for high-quality water supplies and to reduce the dependency on desalination creates an urgent need to explore groundwater resources as an alternative. The weighted overlay a...
Article
Saudi Arabia's arid and semi-arid regions suffer from water scarcity because of climatic constraints and rapid growth of domestic and industrial water uses. The growing demand for high-quality water supplies and to reduce the dependency on desalination creates an urgent need to explore groundwater resources as an alternative. The weighted overlay a...
Article
The Water Scarcity is a prominent feature in Arid and Semi-Arid region. Soil moisture content is significant factor in deciding vegetation growth and also affects the performance of any water harvesting system in place. This paper evaluates the interrelationship of Soil properties with Soil Moisture content. The study covers about 13 soil Samples f...
Conference Paper
Full-text available
The post-industrial revolution anthropogenic activities are mainly responsible for Pollution worldwide. This pollution is recognized globally in terms of Global warming and Climate change as their resultant impacts are felt worldwide. The world-wide effort for mitigation of climate change and global warming are in place but are ineffective and not...
Conference Paper
The depleting water resources, increasing water demand and contamination of water bodies due to untreated wastewater discharge has led to wastewater treatment practice acceptable globally. The wastewater treatment reduces pollution and provides an alternative water resource for reuse. The study analysed the performance of Fluidized Aerobic Batch Bi...
Article
Full-text available
The present study investigated the mechanical characteristics of different types of steel fibre substituted high strength concrete. Influence of steel fibre volume fraction and its complex profile characteristics on the strength properties of various fibre reinforced concretes had been systematically studied in slender concrete beam sections. Reinf...
Conference Paper
High Strength Concrete (HSC) has a wide range of structural applications because of its high strength and long term durability. However, a major limitation is its brittleness, which causes it to have a sudden and catastrophic failure. In addition to this, the effective fibre action in different concrete grades (M25 and M40) and its corresponding in...
Article
Full-text available
Warrag et al.: Status of dieback of Juniperus procera (African pencil cedar) in natural stands and plantation in Alsouda Highlands, Saudi Arabia-2325-APPLIED ECOLOGY AND ENVIRONMENTAL RESEARCH 17(2):2325-2338. Abstract. The natural habitat of Juniperus procera is a unique ecosystem in Saudi Arabia. The ecosystem of Aseer highlands is an important h...
Article
Full-text available
Saudi Arabia is an arid country with very limited water resources. The absence of surface water bodies along with erratic rainfall renders groundwater as the most reliable source of potable water in arid and semi-arid regions globally. Groundwater quality is determined by aquifer characteristics regional geology and it is extensively influenced by...
Article
Full-text available
Mechanical properties of concretes substituted with steel fibres and its relative merits on the size reduction of concrete specimens had been investigated in this study. Reinforcing efficiency of steel fibres on the flexural bending characteristics of thick and slender concrete sections had been experimentally verified. High strength concretes were...
Article
The mountainous region of Aseer, corresponding to the Afromontane phytogeographic region, is an eco-sensitive zone and has complex relationship between topography and rainfall. The region is located inland of the red sea escarpment edge in the west. Therefore, rainfall can occur during any month of the year in the mountain of the high Aseer region...
Article
Full-text available
Landslides are natural geological disasters causing massive destructions and loss of lives, as well as severe damage to natural resources, so it is essential to delineate the area that probably will be afected by landslides. Landslide susceptibility mapping (LSM) is making increasing implications for GIS-based spatial analysis in combination with m...
Chapter
The rapid global development is only adding to the ever-increasing world’s energy needs resulting in more consumption of fossil fuels. This has led to the serious climatic changes caused by global warming and greenhouse effect. Even though “renewable energies” is becoming a familiar term it is still far from being common place worldwide. Urban gree...
Chapter
Landslide is a natural geological disaster, greatly affected by geological features, precipitation and anthropogenic activities. The characteristics of the Abha mountainous watershed are sedimentary soft, hard silt and clay rocks.
Chapter
In modern urban dynamics parks and gardens form the largest proportion of public green spaces and also serve as carbon sink. The study aims to develop each and every building as carbon sink form of terrace garden thus increasing carbon sequestration in Urban areas manifolds. The King Khalid University, Abha Saudi Arabia was used as the urban space...
Article
Full-text available
The recent development of infrastructure all around the world has resulted in an increasing trend of online examination in universities. The paper is an approach in theory and practical aimed at analyzing the feasibility of sustainable examination in four universities and its environmental impact reducing the paper use terming it as green examinati...
Article
Full-text available
The study work comprises of the stability analysis of Slope Along Abha-Darb Road, Asir Region, Kingdom of Saudi Arabia. The area is vulnerable to landslide to avoid this problem. Geotechnical study was carried out along the road cut slopes to determine the various properties of soil mass. Which act as input parameters for the numerical simulation o...
Article
The study work comprises of the stability analysis of Slope Along Abha-Darb Road, Asir Region, Kingdom of Saudi Arabia. The area is vulnerable to landslide to avoid this problem. Geotechnical study was carried out along the road cut slopes to determine the various properties of soil mass. Which act as input parameters for the numerical simulation o...
Article
Full-text available
Fly Ash Infusion in concrete results in enhancement of its mechanical properties resulting in stronger concrete matrix which can be used in structural elements. The study analyse the rate of gain of strength of low volume fly ash concrete (LVFAC) at 10% Fly ash content. The stone dust and Recycled aggregates were varied at the rate of 5%, 10%, and...
Article
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Fly ash is a major by-product of thermal power plant, the alternative option for its disposal was to use it in building materials. Incorporation of fly ash in concrete specimen has shown enhancement in properties of concrete. The study was undertaken to determine the effect of low volume fly ash on the compressive strength of concrete. The fly ash...
Article
Full-text available
Fly Ash has been of interest for building materials since ancient times owing to its cementitious properties. The pozzolanic materials were obtained from the areas near volcanoes and used in construction. In modern day the thermal power plants are the largest source of Fly ash. One of the major solution provided for its disposal was to incorporate...
Article
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Disposal of Fly Ash in form of building material is in practice in concrete industry worldwide. The pozzolanic properties of fly ash have resulted in enhancement of concrete properties. Many researches have been carried out utilizing fly ash in varying volume or in partial replacement of cement to serve as binders for concrete matrix. The current s...
Article
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Stability of the pressure measuring instruments over the years is one of the important parameters in defining the quality of results quantitatively. Indeed, several commercial instruments are available for pressure measurements, whenever such instruments are used for precise and accurate pressure measurements, it is obligatory on the part of measur...
Article
Full-text available
Incorporation of fibres into concrete matrix to enhance its mechanical properties has been around now for few decades. The study was undertaken to analyse the effect on the compressive and tensile strength of concrete matrix. The study determined the rate of gain of strength for Polyethylene terephthalate (PET) fibre reinforced concrete at 7 days a...
Article
The replacement of aggregates in concrete matrix with other economical options not only brings down the cost of production but also serve as a mean to achieve more green concrete by reducing waste and making it into a resource. The study analysis the effect of stone dust replacement on the compressive properties of high volume fly ash concrete and...
Article
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The fibre reinforcement in soil to improve the properties of soil is in use for some time. The polypropylene fibre has gained much attention in concrete industry but for ground improvement techniques still the area needs to be explored. The study focuses on the effect on California bearing ratio for unsoaked RDFS for Polypropylene concrete. The eff...
Article
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The advantages of fiber-reinforcement in soils have gained attention in the last couple of decades. This study presents data from laboratory undrained triaxial tests on reinforced and unreinforced samples Soils. The standard specimen size was 38mm x 76mm. The undrained shearing behaviour of the reinforced and non-reinforced soil is also analysed an...
Article
Full-text available
Ground improvement techniques are advancing with increasing demand of land owing to growing population. The weak soils are modified with natural or artificial fibers to increase the stability and strength of the soil. The paper analyse the effect of Percentage fiber content on the RDFS. The CBR value and plunger penetration were analysed to determi...