Ashfaque Ahmed Jhatial

Ashfaque Ahmed Jhatial
Mehran University of Engineering and Technology · Department of Civil Engineering

Master of Civil Engineering
Undergoing PhD studies and research on utilizing the concrete activities waste as supplementary cementitious material

About

72
Publications
74,017
Reads
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691
Citations
Citations since 2016
72 Research Items
690 Citations
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2016201720182019202020212022050100150200250
2016201720182019202020212022050100150200250
2016201720182019202020212022050100150200250
Introduction
My main research focus has been to utilize waste byproducts as alternative binder material in concrete technology. I have previously worked on lightweight concrete, self compacting concrete and alkali activated concrete. Furthermore, i am working on circular economy and recycling of concrete. I have worked on thermal conductivity, frost resistance, chloride ingress and carbonation influence on various concrete. I am open for potential collaboration, please contact me
Additional affiliations
October 2017 - March 2018
Universiti Tun Hussein Onn Malaysia
Position
  • Research Assistant
February 2017 - July 2017
Universiti Tun Hussein Onn Malaysia
Position
  • Research Assistant
October 2014 - present
Mehran University of Engineering and Technology, Shaheed Zulfiqar Ali Bhutto Campus
Position
  • Engineer
Education
January 2017 - October 2018
Universiti Tun Hussein Onn Malaysia
Field of study
  • Civil Engineering
January 2013 - September 2014
Mehran University of Engineering and Technology
Field of study
  • Structural Engineering
January 2009 - December 2012

Publications

Publications (72)
Article
The construction of concentrated infrastructures due to rapid urbanization has given rise to urban heat island (UHI) phenomenon which causes temperature of urban areas to significantly increase compared to its adjacent cooler rural areas. The absorption of heat in the form of solar radiation by infrastructures is the main contributor to UHI, which...
Article
Full-text available
This study was performed to investigate the thermal and mechanical properties of foamed concrete when supplementary cementitious materials (SCMs) are utilized. Sustainable foamed concrete of 1800 kg/m 3 dry density was prepared by incorporating Palm Oil Fuel Ash (POFA) ranging from 30 % to 35 % and Eggshell Powder (ESP) from 5 % to 15 % as SCMs. It...
Article
Full-text available
The need for thermal insulating building material due to increase in Urban Heat Island effect and the carbon footprint associated with concrete due to its binder, cement, has caused increase in utilization of waste by-products as supplementary cementitious materials (SCMs). Vast number of waste materials are available which could be potential subst...
Article
Full-text available
The production of cement contributes to 10% of global carbon dioxide (CO2) pollution and 74 to 81% towards the total CO2 pollution by concrete. In addition to that, its low strength-to-weight ratio, high density and thermal conductivity are among the few limitations of heavy weight concrete. Therefore, this study was carried out to provide a soluti...
Conference Paper
Full-text available
The dependency on cement as the main binder in the manufacturing of concrete has increased the demand for cement. Though it is vital for construction, it has a significant carbon footprint as during its production, high energy is consumed, and greenhouse gases are emitted. According to recent studies, the cement industry currently contributes to ap...
Article
Full-text available
The eggshell powder (ESP) has been used as a partial cement replacement to reduce the cement content in concrete production. According to recent estimates, cement production contributes to 7% of global Carbon Dioxide (CO2) gas emissions. However, most of the studies so far have focused on the mechanical strength aspect of the concrete incorporating...
Article
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This study investigates transformations of a pre-mechanically activated saponite-containing material with subsequent high-temperature treatment. The thermogravimetric analysis confirmed that the mechanical activation of saponite leads to the destruction of its layered structure, accompanied by the release of silicon dioxide and magnesium oxide in f...
Article
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Land reclamation projects are increasingly incorporating dredged sediment from waterways. The high water content of dredged sediment is a major issue, making the dewatering process difficult and time-consuming. The chemical-physical combined method (CP) is therefore used in this study, which simultaneously uses vacuum dewatering by utilising vacuum...
Article
Full-text available
Cement production emits a significant carbon dioxide (CO2) gas, dramatically influencing the environment. Furthermore, a large amount of energy is consumed during the cement manufacturing process; since Pakistan is already facing an energy crisis, this high energy consumption by the cement industry puts further stress on Pakistan’s energy sector. H...
Article
Full-text available
With the recent increase in demand for high-strength concrete, higher cement content is utilized, which has increased the need for cement. The cement industry is one of the most energy-consuming sectors globally, contributing to 10% of global carbon dioxide (CO 2) gas emissions and global warming. Similarly, with rapid urbanization and industrializ...
Article
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The production of cement releases an enormous amount of CO2 into the environment. Besides, industrial wastes like silica fume and fly ash need effective utilization to reduce their impacts on the environment. This research aims to explore the influence of silica fume (SF) and fly ash (FA) individually and combine them as binary cementitious materia...
Article
Full-text available
Rapid urbanization and ‘concretization’ have increased the use of concrete as the preferred building material. However, the production of cement and other concrete-related activities, contribute significantly to both the carbon dioxide emissions and climate change. Agro-industrial wastes such as Palm Oil Fuel Ash (POFA) and Eggshell Powder (ESP) ha...
Article
Full-text available
This experimental research was conducted to study the combined effect of agricultural by-product wastes on the properties of concrete. The coconut shell ash (CSA) was utilized to substitute cement content ranging from 0 to 20% by weight of total binder and sugarcane bagasse ash (SCBA) to substitute fine aggregates (FA) ranging from 0 to 40% by weig...
Article
Full-text available
Since prestressed concrete is regarded as more durable and reliable than other construction materials, it is used in a variety of civil engineering applications, including nuclear plants, bridges, and concrete piles. However, as with other building structures, prestressed concrete structures are also subjected to different long-term environmental a...
Article
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The concrete and natural seawater have a complex relationship between them, which requires special attention. Therefore, various studies have been conducted to consider the effects of natural seawater on the properties of concrete. However, this study aimed to summarize and analyze the previous findings and recommendations. It was noticed that the...
Article
Full-text available
Expansive soil threatens all civil engineering structures, as these soils possess higher swelling potential. There exist several techniques such as addition of cement and lime etc. which can be employed to stabilize the soils. However, both these materials are not economical. In search for a more economical solution, this study uses marble dust as...
Article
Full-text available
This paper uses a new integrated method, namely PHDVPSS, which utilizes vacuum pressure (VP) coupled with prefabricated horizontal drain along with solidification/stabilization (SS) for the effective treatment of high-water content dredged contaminated sediment (DCS). This study sought to evaluate the physico-mechanical and microstructural behaviou...
Article
Full-text available
Foamed concrete is a controlled low-density concrete, and due to its excellent thermal insulating and acoustic absorption properties, its application has been on a steady rise. Palm Oil Fuel Ash (POFA), an agricultural waste generated by the Palm Oil industry and Eggshells, causes many environmental problems. The pozzolanic nature of POFA and the h...
Article
Rapid industrialization over the past few decades has increased the disposal of waste materials in open-air landfills. The utilization of industrial wastes for the preparation of bricks can improve its functional characteristics and reduce the environmental pollution caused by landfill sites. This research investigated the effects of silica fume (S...
Article
Full-text available
Research for alternative binders has become a necessity due to cement's embodied carbon, climate change, and depletion of natural resources. These binders could potentially reduce our reliance on cement as the sole binder for concrete while simultaneously enhancing the functional characteristics of concrete. Theoretically, the use of finer particle...
Article
Full-text available
Increased usage of concrete contributes to urban thermal discomfort due to the Urban Heat Island effect. At the same time, the corresponding increased consumption of cement also causes a significant rise in carbon dioxide (CO 2) gas emissions. This experimental work aims at evaluating the thermal and mechanical performance of 1800 kg/m 3 dry densit...
Article
Full-text available
The use of supplementary cementitious materials (SCMs) has increased over the years due to the carbon footprint associated with the production of cement, which contributes to 10% of the total global CO 2 gas emissions. This causes an increase in global warming, and the exponential increase in demand for construction of concrete has caused depletion...
Article
Full-text available
A Correction to this paper has been published: https://doi.org/10.1007/s11356-021-13750-8
Article
Concrete structures get damaged over time, due to being subjected to various environmental exposures, improper design, management, and poor material durability. Portland cement mortars have been used as a repair material; however, it is both uneconomical and not eco-friendly due to high embodied carbon. Recently, polymer-modified binders have gaine...
Article
Full-text available
Construction projects facing cost overrun is a common problem in developing countries, including Pakistan. This research paper identifies the major cost overrun factors faced by construction projects in Pakistan and also provides recommendations to reduce the cost overrun. To main objectives of this research is to identify the critical cost overrun...
Article
Full-text available
Pakistan is a country that has an abundance of quarry deposits. The marble and ceramics industry, such as the construction industry, plays a pivotal role in the development of a country by contributing to the Gross Domestic Product (GDP). However, the marble and ceramics industry also adversely contribute to the growing solid waste management issue...
Article
Global concrete demand is causing depletion of natural resources at an alarming rate. Self-compacting concrete (SCC) is an innovative solution as it uses less aggregates; however, the drawback of SCC is that high cement content is required compared to conventional concrete. Considering that cement production emits 7% of carbon dioxide (CO 2) gas em...
Chapter
Self-Compacting Concrete (SCC) is a type of concrete that can flow under its own weight and completely fill the formwork, even in the presence of congested reinforcement. Therefore, raw materials and natural resources are required in large quantities for SCC production. In order, to minimize the usage of the cement in the SCC, the use of agricultur...
Article
Full-text available
Concrete is the most used building and construction material globally due to the ease of availability and durability. It is a well-known fact that concrete can easily withstand compressive stresses; however, it fails under tension. To improve this deficiency, steel bar reinforcement has been used. However, with the steel reinforcement, additional p...
Article
Full-text available
Foam concrete has been used widely in the construction industry, due to its lightweight and easy handling. The foam concrete (FC) mixture in this study can contribute to the sustainability of construction due to the utilization of hybrid fibers, which are coir fiber (CF) and steel fiber (SF). The aim of this study is to investigate the compressive...
Article
Full-text available
Cost overrun is known as the leading challenge for stakeholders of the construction sector. Like most countries, Pakistan also facing this challenge for the last few decades. Literature review was conducted and managed to identify 34 factors which contributed to cost overrun in the construction industry. These factors were used as the main conte...
Article
Full-text available
The release of carbon dioxide (CO2) during the production of cement and the increase in waste generation has allowed the construction to focus on sustainability by replacing cement with agricultural waste resources such as Palm Oil Fuel Ash (POFA) and Eggshell Powder (ESP). This experimental study focuses on developing sustainable foamed concrete i...
Conference Paper
Full-text available
Alkali Activated Materials (AAMs), which are locally available alumino-silicate based materials , are emerging as alternative binders to Ordinary Portland Cement (OPC) due to higher performance and reduced carbon footprint. Before their implementation on a larger scale, their durability performance needs to be fully understood. The data on durabili...
Article
Concrete has been extensively used in the development of urban infrastructure works. However, it has the tendency to absorb solar radiations, and these radiations are released back into the air in the form of heat energy. Dense concentration of infrastructures releases more heat, causing urban heat island (UHI) effect in which the ambient temperatu...
Article
Full-text available
The increase in Carbon Dioxide (CO 2) gas emissions during the production of cement have increased the necessity for the development of eco-friendly sustainable concrete using alternative binders. This research was conducted to study the strength behaviour in terms of compressive and flexural strength of concrete incorporating rice husk ash (RHA) a...
Article
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Monetary concerns in structural schemes cause serious ramifications that may impede the expansion of schemes and impact the entire fiscal conditions of any country. The study highlights the issues of finance procrastinates in construction schemes. Aim to find the prominent issues on finance-related hurdles, which lead to production obstructions and...
Article
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This research study addresses the problems pertain to the procrastination of finance in construction schemes, by investigating the basic problems and issues of delay. While offering appropriate solution for the problems and issues. The four major factors were explored in the review of literature: poor cash flow administration, late in terms of paym...
Article
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At the present the natural resources of aggregates are decreasing day by day due to usage of aggregates in construction industry rises. To overcome this problem, Self-Compacting Concrete (SCC) consisting recycled concrete aggregate (RCA) has the potential to save the natural resources of aggregate and reduces the solid waste generation. In this res...
Article
Full-text available
Rutting and Fatigue are taken as main premature failures among all distresses, as these distresses have wide effect on performance of pavement. Sudden variation of heavy axle loaded vehicles, improper mix design and traditional design methodologies used in pavement design industries are major factors behind these failures. For proper performance an...
Article
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Agro-industrial wastes incorporating supplementary cementitious materials (SCMs) regarded as sustainable efforts to reduce environmental impact generated by agricultural residual byproduct as well as the production of cement. Various waste materials are being utilized in concrete throughout the world as SCMs, experimental work to understand the per...
Article
Full-text available
Concrete is the most preferred construction and building material and its demand is not expected to diminish in the near future. The properties of concrete are affected by various factors, one of them is the temperature at casting. This experimental work was carried out in order to study the effect of high temperature on workability, and compressiv...
Article
Full-text available
Increased urbanization causes traffic and parking issues especially in metropolitan cities like Karachi, London, Shanghai, etc. To accommodate parking issues for the vehicles mainly in urban areas (excavated) underground parking areas under or nearby high rise buildings are preferred. As a result of excavation, ground movements occur that have majo...
Article
Full-text available
Concrete is the most preferred building material in the world and its production has increased exponentially with the rapid construction of infrastructures. The generation of waste materials has also increased due to rapid urbanization. Eggshell is one such solid waste material which is being generated in huge quantity due to it being a cheap sourc...
Article
Full-text available
Masonry is the oldest form of construction in the world [1]. Research shows that it is the most widely used construction material in Pakistan and it has remained as such for more than the past hundred years. The majority of buildings in Pakistan are load-bearing burnt-brick masonry structures. Unfortunately, the brick masonry structures in Pakistan...
Article
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Foundations are considered as the backbone of a structure. Most of the times, the foundation is laid on the soil. For the foundation design of any structure, we need to know beforehand the soil conditions such as shear strength and permeability. These parameters help us determine the bearing capacity of the soil. The soil conditions are determined...
Article
Full-text available
Marble industry contributes significantly to the socioeconomic development of any country. Due to the abundance of marble reserves, Pakistan relies on marble industry, which in turn contributes to its GDP. Marble powder (MP), produced from the marble industry is also increasing, which constantly remains a source of hazards to the environment. At th...
Article
Full-text available
Cost overrun is a serious issue in the construction industry worldwide, including Pakistan. Cost overrun is a critical and serious issue found in highway projects among all construction projects in Pakistan. Cost overrun occurs when the final cost of the projects exceeds the actual cost of the project. The main objective of this research is to iden...
Article
Full-text available
The fabrication process of concrete in the construction has caused carbon dioxide released into the atmosphere subsequently increases carbon footprint. Meanwhile, large sum of agricultural waste are generated such as palm oil fuel ash (POFA) and eggshell powder (ESP). Incorporation of supplementary cementitious materials by capitalizing agricultur...
Article
Full-text available
Foam concrete or light concrete has become increasingly recognizable in commercial and construction field. Foam concrete is not just light in its weight but also light in cost, as there is no coarse aggregate needed in its production. Application of foam concrete is limited due to the fact that it is not as strong as conventional concrete in terms...
Conference Paper
Full-text available
Concrete is the most versatile product used as building material in world's construction industry, and it generates carbon to the atmosphere. In manufacturing of cement, 8% to 10% of global carbon dioxide (CO2) gas is generated. The maximum utilization of cement contributes to global warming and climate change. Therefore, many scholars have conduct...
Article
Full-text available
Concrete which is widely used material in the construction industry, has a carbon footprint. Approximately 10% of global Carbon Dioxide (CO2) gas is emitted during the production of cement which is vital ingredient of concrete. The increase in production of cement affects global warming and climate change. Therefore, many have attempts have been ma...