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Mr. Ali Mohammed Babalghaith
Centre for Transportation Research, Department of Civil Engineering, Faculty of Engineering, University of Malaya, Kuala Lumpur 50603, Malaysia

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Research Keywords & Expertise

0 pavement materials
0 Asphalt mixture performance
0 asphalt binder
0 Pavement analysis and design
0 Asphalt binder rheology and chemistry

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asphalt binder
Asphalt mixture performance
pavement materials

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Short Biography

PhD candidate at the Department of Civil Engineering, University of Malaya, Kuala Lumpur, Malaysia. I am currently doing research on innovative and sustainable highway pavement materials.

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Review
Published: 19 July 2021 in Sustainability
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One effective method to minimize the increasing cost in the construction industry is by using coal bottom ash waste as a substitute material. The high volume of coal bottom ash waste generated each year and the improper disposal methods have raised a grave pollution concern because of the harmful impact of the waste on the environment and human health. Recycling coal bottom ash is an effective way to reduce the problems associated with its disposal. This paper reviews the current physical and chemical and utilization of coal bottom ash as a substitute material in the construction industry. The main objective of this review is to highlight the potential of recycling bottom ash in the field of civil construction. This review encourages and promotes effective recycling of coal bottom ash and identifies the vast range of coal bottom ash applications in the construction industry.

ACS Style

Syakirah Mohammed; Suhana Koting; Herda Katman; Ali Babalghaith; Muhamad Abdul Patah; Mohd Ibrahim; Mohamed Karim. A Review of the Utilization of Coal Bottom Ash (CBA) in the Construction Industry. Sustainability 2021, 13, 8031 .

AMA Style

Syakirah Mohammed, Suhana Koting, Herda Katman, Ali Babalghaith, Muhamad Abdul Patah, Mohd Ibrahim, Mohamed Karim. A Review of the Utilization of Coal Bottom Ash (CBA) in the Construction Industry. Sustainability. 2021; 13 (14):8031.

Chicago/Turabian Style

Syakirah Mohammed; Suhana Koting; Herda Katman; Ali Babalghaith; Muhamad Abdul Patah; Mohd Ibrahim; Mohamed Karim. 2021. "A Review of the Utilization of Coal Bottom Ash (CBA) in the Construction Industry." Sustainability 13, no. 14: 8031.

Journal article
Published: 12 July 2021 in Polymers
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Polymer modification is extensively used in the Kingdom of Saudi Arabia (KSA) because the available asphalt cement does not satisfy the high-temperature requirements. It was widely used in KSA for more than two decades, and there is little information regarding the differences in the performance of different polymers approved for binder modification. Pavement engineers require performance comparisons among various polymers to select the best polymer for modification rather than make their selection based on satisfying binder specifications. Furthermore, the mechanical properties can help select polymer type, producing mixes of better resistance to specific pavement distresses. The study objective was to compare the mechanical properties of the various polymer-modified asphalt (PMA) mixtures that are widely used in the Riyadh region. Control mix and five other mixes with different polymers (Lucolast 7010, Anglomak 2144, Pavflex140, SBS KTR 401, and EE-2) were prepared. PMA mixtures were evaluated through different mechanical tests, including dynamic modulus, flow number, Hamburg wheel tracking, and indirect tensile strength. The results show an improvement in mechanical properties for all PMA mixtures relative to the control mixture. Based on the overall comparison, the asphalt mixture with polymer Anglomk2144 was ranked the best performing mixture, followed by Paveflex140 and EE-2.

ACS Style

Hamad Alsolieman; Ali Babalghaith; Zubair Memon; Abdulrahman Al-Suhaibani; Abdalrhman Milad. Evaluation and Comparison of Mechanical Properties of Polymer-Modified Asphalt Mixtures. Polymers 2021, 13, 2282 .

AMA Style

Hamad Alsolieman, Ali Babalghaith, Zubair Memon, Abdulrahman Al-Suhaibani, Abdalrhman Milad. Evaluation and Comparison of Mechanical Properties of Polymer-Modified Asphalt Mixtures. Polymers. 2021; 13 (14):2282.

Chicago/Turabian Style

Hamad Alsolieman; Ali Babalghaith; Zubair Memon; Abdulrahman Al-Suhaibani; Abdalrhman Milad. 2021. "Evaluation and Comparison of Mechanical Properties of Polymer-Modified Asphalt Mixtures." Polymers 13, no. 14: 2282.

Journal article
Published: 04 June 2021 in Applied Sciences
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The utilisation of reclaimed asphalt pavement (RAP) as a suitable substitute for natural aggregate and binder offers an energy-saving and cost-effective approach to enhance the performance of asphalt mix. Realising the potential use of RAP as a promising recycling technique, many countries are seeking to recycle RAP as part of the global effort to address the rising challenge of climate change and contribute to a sustainable environment. This study aimed to develop an integrated approach to determine the amount of RAP to be used in an asphaltic concrete wearing course with 14 mm nominal maximum aggregate size (ACW14). The RAP was incorporated with two waste materials comprising waste engine oil (WEO) as a rejuvenator and Crumb Rubber (CRM) as a binder modifier. A total of five different mixes, which include R0 (control mix), R30, R50, R70, and R100 (replacement of 30%, 50%, 70%, and 100% of RAP aggregates in the mix, respectively) were evaluated. The Marshall parameters, resilient modulus (MR), indirect tensile fatigue, moisture susceptibility, and mass loss (ML) tests were conducted to investigate the performance of each mix. Finally, an arbitrary scale was developed to optimise the RAP content. The results showed that the Marshall parameters, moisture susceptibility, and ML values of the RAP mixes met the criteria outlined in the standard. According to the MR performance, the R50, R70, and R100 mixes were more resilient than the R0. In terms of fatigue resistance, the R30, R50, and R70 mixes showed better performance than the R0. Overall, the collective performance of all RAP mixes was above the R0 and it increased with the increment of RAP content. Therefore, it was possible to design ACW14 mixes with up to 100% RAP in combination with WEO and CRM.

ACS Style

Zahid Hossain Khan; Suhana Koting; Herda Katman; Mohd Ibrahim; Ali Babalghaith; Obada Asqool. Performance of High Content Reclaimed Asphalt Pavement (RAP) in Asphaltic Mix with Crumb Rubber Modifier and Waste Engine Oil as Rejuvenator. Applied Sciences 2021, 11, 5226 .

AMA Style

Zahid Hossain Khan, Suhana Koting, Herda Katman, Mohd Ibrahim, Ali Babalghaith, Obada Asqool. Performance of High Content Reclaimed Asphalt Pavement (RAP) in Asphaltic Mix with Crumb Rubber Modifier and Waste Engine Oil as Rejuvenator. Applied Sciences. 2021; 11 (11):5226.

Chicago/Turabian Style

Zahid Hossain Khan; Suhana Koting; Herda Katman; Mohd Ibrahim; Ali Babalghaith; Obada Asqool. 2021. "Performance of High Content Reclaimed Asphalt Pavement (RAP) in Asphaltic Mix with Crumb Rubber Modifier and Waste Engine Oil as Rejuvenator." Applied Sciences 11, no. 11: 5226.

Conference paper
Published: 30 April 2021 in Lecture Notes in Civil Engineering
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Stone Mastic Asphalt (SMA) is a type of gap-graded hot mix asphalt which consists of a coarse aggregates’ skeleton and high binder content. This type of mixture has been used in many countries due to its toughness, stability and rut resistance mixture that relies on stone-to-stone contact for its strength and a rich mortar binder for its durability. On the other hand, there are some distresses that occur in SMA road pavement, which leads to a significant decrease in the life of the asphalt pavement. Therefore, the asphalt mixture needs to be modified by additive, such as fiber, to improve its mechanical properties and delay the deterioration. In this study, the influence of black PET fiber as an additive in the SMA mixture was focused. Six sets of asphalt mixtures were prepared using different proportions of black PET fiber content (0.2%, 0.4%, 0.6%, 0.8%, and 1.0% by the total mixture weight). Volumetric properties, Resilient Modulus, and Indirect Tensile Strength performance were investigated. The result showed that the optimum binder content for SMA mixture was 6.22%. It is also indicated that the use of black PET fiber as additive improved the Resilient Modulus and Indirect Tensile Strength performance. In conclusion, the use of Black PET fiber in SMA mixture indicates a positive potential to be applied in flexible pavement construction.

ACS Style

Ali Mohammed Babalghaith; Suhana Koting; Mohd Rasdan Ibrahim; Nuruol Syuhadaa Mohd; Shaifulazuar Rozali; Mohd Ridha Muhamad; Mohd Nashrul Mohd Zubir; Ahmed El-Shafei; Faridah Hanim Khairuddin; Nur Izzi Md Yusoff. Effect of Black PET Fiber as Additive on the Mechanical Properties of Stone Mastic Asphalt (SMA) Mixtures. Lecture Notes in Civil Engineering 2021, 249 -260.

AMA Style

Ali Mohammed Babalghaith, Suhana Koting, Mohd Rasdan Ibrahim, Nuruol Syuhadaa Mohd, Shaifulazuar Rozali, Mohd Ridha Muhamad, Mohd Nashrul Mohd Zubir, Ahmed El-Shafei, Faridah Hanim Khairuddin, Nur Izzi Md Yusoff. Effect of Black PET Fiber as Additive on the Mechanical Properties of Stone Mastic Asphalt (SMA) Mixtures. Lecture Notes in Civil Engineering. 2021; ():249-260.

Chicago/Turabian Style

Ali Mohammed Babalghaith; Suhana Koting; Mohd Rasdan Ibrahim; Nuruol Syuhadaa Mohd; Shaifulazuar Rozali; Mohd Ridha Muhamad; Mohd Nashrul Mohd Zubir; Ahmed El-Shafei; Faridah Hanim Khairuddin; Nur Izzi Md Yusoff. 2021. "Effect of Black PET Fiber as Additive on the Mechanical Properties of Stone Mastic Asphalt (SMA) Mixtures." Lecture Notes in Civil Engineering , no. : 249-260.

Review
Published: 17 March 2021 in Sustainability
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The use of geopolymer in pavement constructions is strongly encouraged. Many studies have demonstrated the vast potential of using industrial-by-products-based geopolymers. This paper discusses the modification of asphalt binders with geopolymers, namely geopolymer-modified asphalt (GMA) and geopolymer-modified asphalt mixture (GMAM). In addition, curing geopolymer materials, engineering properties, production techniques, and prospective utilisation in the pavement construction, such as durability and sustainability, are also discussed. The literature review showed that many industrial by-products, including red mud, blast furnace slag, fly ash, and mine waste, are used to produce geopolymers because of the metal components such as silicon and aluminium in these materials. The geopolymers from these materials influence the rheological and physical properties of asphalt binders. Geopolymers can enhance asphalt mixture performance, such as stability, fatigue, rutting, and low-temperature cracking. The use of geopolymers in asphalt pavement has beneficial impacts on sustainability and economic and environmental benefits.

ACS Style

Abdalrhman Milad; Ahmed Ali; Ali Babalghaith; Zubair Memon; Nuha Mashaan; Salaheddin Arafa; Nur Md. Yusoff. Utilisation of Waste-Based Geopolymer in Asphalt Pavement Modification and Construction—A Review. Sustainability 2021, 13, 3330 .

AMA Style

Abdalrhman Milad, Ahmed Ali, Ali Babalghaith, Zubair Memon, Nuha Mashaan, Salaheddin Arafa, Nur Md. Yusoff. Utilisation of Waste-Based Geopolymer in Asphalt Pavement Modification and Construction—A Review. Sustainability. 2021; 13 (6):3330.

Chicago/Turabian Style

Abdalrhman Milad; Ahmed Ali; Ali Babalghaith; Zubair Memon; Nuha Mashaan; Salaheddin Arafa; Nur Md. Yusoff. 2021. "Utilisation of Waste-Based Geopolymer in Asphalt Pavement Modification and Construction—A Review." Sustainability 13, no. 6: 3330.

Conference paper
Published: 20 October 2020 in 4TH INTERNATIONAL CONFERENCE ON THE SCIENCE AND ENGINEERING OF MATERIALS: ICoSEM2019
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The master curve of hot mix asphalt is one of the widely used models to describe the variation of dynamic modulus of asphalt mixtures with different temperatures and loading frequencies. The main objective of this paper is to evaluate the effect of modifier types on the dynamic modulus performance for different asphalt mixtures. Six types of binder modifiers that are widely used in Riyadh city were investigated using Asphalt Mixture Performance Tester (AMPT). The modifiers were five types of polymers, namely, Lucolast7010, Anglomak 2144, Pavflex140, SBS KTR 401 and EE-2, and Crumb Rubber. The unconfined asphalt mix samples were tested at four temperatures; 14°F (−10 °C), 40°F (4.4 °C), 70°F (21.1 °C) and 130°F (54.4°C) and six loading frequencies; 25, 10, 5, 1, 0.5 and 0.1 Hz. The modulus values at these temperatures and frequencies are used to construct the master curves. Results showed that all the modified asphalt mixtures showed higher mixture stiffness as compared to the unmodified mixture. The influences of mix temperatures and loading frequencies on the dynamic modulus of the mixtures depend on the type of modifier used to upgrade the asphalt binder. A master curve model with excellent goodness-of-fit was obtained which can be utilized to predict the dynamic modulus of the modified asphalt mixtures at any temperatures and loading frequencies.

ACS Style

Ali Mohammed Babalghaith; Hamad A. Alsolieman; Abdulrahman S. Al-Suhaibani; Suhana Koting. Master curve of dynamic modulus for modified asphalt mixtures. 4TH INTERNATIONAL CONFERENCE ON THE SCIENCE AND ENGINEERING OF MATERIALS: ICoSEM2019 2020, 2284, 020014 .

AMA Style

Ali Mohammed Babalghaith, Hamad A. Alsolieman, Abdulrahman S. Al-Suhaibani, Suhana Koting. Master curve of dynamic modulus for modified asphalt mixtures. 4TH INTERNATIONAL CONFERENCE ON THE SCIENCE AND ENGINEERING OF MATERIALS: ICoSEM2019. 2020; 2284 (1):020014.

Chicago/Turabian Style

Ali Mohammed Babalghaith; Hamad A. Alsolieman; Abdulrahman S. Al-Suhaibani; Suhana Koting. 2020. "Master curve of dynamic modulus for modified asphalt mixtures." 4TH INTERNATIONAL CONFERENCE ON THE SCIENCE AND ENGINEERING OF MATERIALS: ICoSEM2019 2284, no. 1: 020014.

Journal article
Published: 22 September 2020 in Construction and Building Materials
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The palm oil industry has been projected to increase annually, hence resulting in a large number of waste materials being dumped into landfills. In order to decrease the adverse effects of these wastes on the environment, they may be used to substitute conventional aggregates in building roadway pavements. Having that said, this study assessed the effect of using palm oil clinker (POC) as a substitute to fine aggregate on the mechanical properties of SMA mixtures. A range of asphalt mixtures were prepared by replacing the fine aggregate with different POC contents (0%, 20%, 40%, 60%, 80%, and 100%). Additionally, 50% of palm oil fuel ash (POFA) was used as filler in the asphalt mixtures. Resilient modulus, wheel tracking, dynamic creep, indirect tensile strength, and Cantabro durability tests were conducted on all the prepared asphalt mixtures. The results signified the suitability of POC for 100% substitution of fine aggregate in SMA mixture, as it enhanced resilient modulus, resistance to rutting, tensile strength, and resistance to moisture damage. Conclusively, SMA20 mixture between 40% and 60% displayed better mechanical properties, when compared to other mixtures.

ACS Style

Ali Mohammed Babalghaith; Suhana Koting; Nor Hafizah Ramli Sulong; Mohamed Rehan Karim; Badr Mohammed AlMashjary. Performance evaluation of stone mastic asphalt (SMA) mixtures with palm oil clinker (POC) as fine aggregate replacement. Construction and Building Materials 2020, 262, 120546 .

AMA Style

Ali Mohammed Babalghaith, Suhana Koting, Nor Hafizah Ramli Sulong, Mohamed Rehan Karim, Badr Mohammed AlMashjary. Performance evaluation of stone mastic asphalt (SMA) mixtures with palm oil clinker (POC) as fine aggregate replacement. Construction and Building Materials. 2020; 262 ():120546.

Chicago/Turabian Style

Ali Mohammed Babalghaith; Suhana Koting; Nor Hafizah Ramli Sulong; Mohamed Rehan Karim; Badr Mohammed AlMashjary. 2020. "Performance evaluation of stone mastic asphalt (SMA) mixtures with palm oil clinker (POC) as fine aggregate replacement." Construction and Building Materials 262, no. : 120546.

Journal article
Published: 05 April 2020 in Journal of Cleaner Production
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Utilisation of recycled concrete aggregates (RCA) for highway pavement construction has been a sustainable attempt towards conservation of the natural resource base as well as mitigation against the environmental problems associated with harmful solid waste disposal. The performances of asphalt mixtures with 20%, 40%, 60%, 80% and 100% of coarse granite as well as 100% of coarse and fine granite replaced by RCA, for flexible pavement surfacing, have been evaluated in this paper. The mixture containing 100% granite was used as control. Marshal stability, flow, volumetric properties, resilient modulus, indirect tensile strength, moisture susceptibility, fatigue resistance, rutting resistance, impact strength, skid resistance, and abrasion resistance were tested for the mixes. With respect to resilient modulus and indirect tensile strength tests, the control mixture performed better than the RCA mixtures but the RCA mixtures generally performed better than the control in the other tests. The control recorded 9496 MPa and 1058 kPa for resilient modulus and indirect tensile strength respectively. These were comparable to the mix with 40% RCA with 9339 MPa and 1051.7 kPa resilient modulus and indirect tensile strength, respectively. It was concluded that RCA can be effectively utilised in asphalt mixtures but 40% RCA replacement is recommended for optimal pavement performance.

ACS Style

Chidozie Maduabuchukwu Nwakaire; Soon Poh Yap; Choon Wah Yuen; Chiu Chuen Onn; Suhana Koting; Ali Mohammed Babalghaith. Laboratory study on recycled concrete aggregate based asphalt mixtures for sustainable flexible pavement surfacing. Journal of Cleaner Production 2020, 262, 121462 .

AMA Style

Chidozie Maduabuchukwu Nwakaire, Soon Poh Yap, Choon Wah Yuen, Chiu Chuen Onn, Suhana Koting, Ali Mohammed Babalghaith. Laboratory study on recycled concrete aggregate based asphalt mixtures for sustainable flexible pavement surfacing. Journal of Cleaner Production. 2020; 262 ():121462.

Chicago/Turabian Style

Chidozie Maduabuchukwu Nwakaire; Soon Poh Yap; Choon Wah Yuen; Chiu Chuen Onn; Suhana Koting; Ali Mohammed Babalghaith. 2020. "Laboratory study on recycled concrete aggregate based asphalt mixtures for sustainable flexible pavement surfacing." Journal of Cleaner Production 262, no. : 121462.

Journal article
Published: 30 March 2020 in Sustainability
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Aggregate composition has a pivotal role in ensuring the quality of pavement materials. The use of waste materials to replace the aggregate composition of asphalt pavement leads to green, sustainable, and environmentally friendly construction, which ultimately preserves nature by reducing the need to harvest materials from natural sources. Using the Marshall mix design, the main objective of this paper is to investigate the effects of waste palm oil clinker (POC) as fine aggregates replacement on the properties of stone mastic asphalt (SMA) mixture. Six groups of asphalt mixtures were prepared using different percentages of palm oil clinker content (0%, 20%, 40%, 60%, 80%, and 100%). To determine the Marshall properties and select the optimum binder content, asphalt mixture samples with different percentages of asphalt binder content (5.0%, 5.5%, 6.0%, 6.5%, and 7.0%) were prepared for each group. The results showed that the palm oil clinker was appropriate for use as a fine aggregate replacement up to 100% in SMA mixture and could satisfy the mix design requirements in terms of Marshall stability, flow, quotient, and volumetric properties. However, the percentage of palm oil clinker replacement as fine aggregate has merely influenced the optimum binder content. Furthermore, there were improvements in the drain down, resilient modulus and indirect tensile fatigue performances of the SMA mixture. In conclusion, the use of POC as fine aggregates replacement in SMA mixture indicates a good potential to be commercialized in flexible pavement construction.

ACS Style

Ali Mohammed Babalghaith; Suhana Koting; Nor Hafizah Ramli Sulong; Mohamed Rehan Karim; Syakirah Afiza Mohammed; Mohd Rasdan Ibrahim. Effect of Palm Oil Clinker (POC) Aggregate on the Mechanical Properties of Stone Mastic Asphalt (SMA) Mixtures. Sustainability 2020, 12, 2716 .

AMA Style

Ali Mohammed Babalghaith, Suhana Koting, Nor Hafizah Ramli Sulong, Mohamed Rehan Karim, Syakirah Afiza Mohammed, Mohd Rasdan Ibrahim. Effect of Palm Oil Clinker (POC) Aggregate on the Mechanical Properties of Stone Mastic Asphalt (SMA) Mixtures. Sustainability. 2020; 12 (7):2716.

Chicago/Turabian Style

Ali Mohammed Babalghaith; Suhana Koting; Nor Hafizah Ramli Sulong; Mohamed Rehan Karim; Syakirah Afiza Mohammed; Mohd Rasdan Ibrahim. 2020. "Effect of Palm Oil Clinker (POC) Aggregate on the Mechanical Properties of Stone Mastic Asphalt (SMA) Mixtures." Sustainability 12, no. 7: 2716.

Conference paper
Published: 24 April 2019 in IOP Conference Series: Materials Science and Engineering
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Asphalt pavement made with neat binder is not sufficient to resist heavy traffic loads as well as harsh environmental condition. Therefore, there is a need to modify the binder with polymers in order to improve its properties. From literature, it was indicated that various blending process parameters, namely, blade shape, temperature, shear rate and mixing time influenced the properties of the produced polymer modified asphalt. In this study, the influence of mixing time on six different types of polymer with 60/70 asphalt binder was focused. The polymers were blended with asphalt binder and inspected at 30 minutes intervals during the mixing process. Then, all the samples were tested through Dynamic Shear Rheometer at 58°C, 64°C and 70°C. It was shown that the complex modulus (G*) values at these temperature levels for all polymers modified asphalt indicated proper particles dispersion within the binder. The optimal blending time, which produces the best rheological properties of all modified asphalt is 30 minutes except for asphalt modified with Lucolast7010 and Anglomak2144, which is 60 minutes. In conclusion, mixing time has significant influence on the particle distribution of polymer within the binder to ensure the quality of asphalt-polymer blend.

ACS Style

Ali Mohammed Babalghaith; Suhana Koting; Nor Hafizah Ramli Sulong; Mohamed Rehan Karim. Optimization of mixing time for polymer modified asphalt. IOP Conference Series: Materials Science and Engineering 2019, 512, 012030 .

AMA Style

Ali Mohammed Babalghaith, Suhana Koting, Nor Hafizah Ramli Sulong, Mohamed Rehan Karim. Optimization of mixing time for polymer modified asphalt. IOP Conference Series: Materials Science and Engineering. 2019; 512 (1):012030.

Chicago/Turabian Style

Ali Mohammed Babalghaith; Suhana Koting; Nor Hafizah Ramli Sulong; Mohamed Rehan Karim. 2019. "Optimization of mixing time for polymer modified asphalt." IOP Conference Series: Materials Science and Engineering 512, no. 1: 012030.