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Abdul Sami Qureshi

Mehran University of Engineering and Technology

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Ghous Bux Khaskheli

Isra University

Azizullah Shaikh

Balochistan University of Information Technology, Engineering and Management Sciences

Temoor Muther

University of Kansas

Allah Bakhsh

China University of Petroleum, East China

Asadullah Memon

Mehran University of Engineering and Technology

Rizwan Ali Memon

Mehran University of Engineering and Technology

Sajjad Ali Mangi

Mehran University of Engineering and Technology

Wenlong Li

Ministry of Natural Resources

Muhammad UsmanTahir

China University of Petroleum, East China

Umaid Ali Uqaili

Mehran University of Engineering and Technology

Cooperative Institutions

Mehran University of Engineering and Technology

China University of Petroleum, East China

China University of Petroleum, Beijing

Ziauddin University

Universiti Teknologi Petronas

Balochistan University of Information Technology, Engineering and Management Sciences

University of Engineering and Technology Lahore

Kafkas University

State Key Laboratory of Heavy Oil

Ministry of Natural Resources

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Reconstructing the Transport Network of Ancient China and its Relationship to Social Networks

Transportation research procedia (2025)

Wenlong Li Jan‐Dirk Schmöcker Abdul Sami Qureshi Liang Zhao

10.1016/j.trpro.2024.12.023

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Quality Assurance in Testing of Highway Materials in Pakistan

International Journal of Sustainable Construction Engineering Technology (2020)

Abdul Sami Qureshi Shakeel Ahmed Soomro Nafees Ahmed Memon

In Pakistan three modes of transportation are usually used. It is believed that road sector is the major source of transport, which carries about 92 percent of travelers and 96 percent of cargo traffic. There are various factors which may cause the deterioration of pavement such as inadequate drainage, frost action, unsatisfactory compaction and overloading etc. One of the important factors seriously affecting the pavement performance is quality of material. Although some research work has been carried out related to use of required quality materials in highway construction; however, limited research has been done related to quality assurance in testing of highway materials in commercial laboratories. As the approval of material usage mainly depends upon testing reports provided by laboratories, therefore poor quality assurance system of testing laboratories may have adverse effect on material approvals. Rapid growth of population in Pakistan demands expansions in highway constructions; therefore, assessment and improvement of quality assurance will ensure proper usage of required quality materials. In the above mentioned context assessment of few commercial laboratories involved in highway material testing was done in comparison to public sector laboratory. The results indicate that there are significant variations in test results carried out at different commercial laboratories. Based on the assessment the study highlights the improvement areas to raise the standard of quality assurance in highway material testing in Pakistan.

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Adoption of quality culture — A case study of Mehran University of Engineering & Technology, Jamshoro, Sindh, Pakistan

Asif Ali Shah Muhammad Aslam Uqaili Abdul Sami Qureshi

Developing regions like Pakistan have been facing various challenges to ensure the quality of education. Poor governance and ignorance of merit in different decisions have emerged as key hurdles for Higher Education Institutions (HEIs) towards promoting quality education. In this context, Higher Education Commission (HEC) of Pakistan has established Quality Assurance Agency (QAA), to safeguard the interests of all stakeholders concerning the HEIs. Quality Enhancement Cells (QECs) created across various HEIs of Pakistan to meet the objectives of QAA. Notably, Mehran University of Engineering & Technology (MUET) Jamshoro, being the pioneering Institute, itself initiated the task of adoption of quality assurance practices way before QECs established across various HEIs in Pakistan. MUET acquired ISO 9000 certification in 2003, whereas, QAA created QECs around 2006. Primarily, this paper highlights the impact of MUET's quest in ensuring the provision of quality in higher education by discussing the effectiveness of ISO system in the education sector concerning developing regions, where education systems are facing downfall and how it help in betterfunctioning of QEC of MUET. This paper will highlight the vision and performance of MUET in maintaining its quality standards while facing various pressures from different stakeholders of the society.

Ignorance

10.1109/ghtc.2017.8239254

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Ageing factor for fly ash cement concrete (FACC)

Environmental Science and Pollution Research (2022)

Qazi Amjad Ali Pathan Abdul Sami Qureshi Sajjad Ali Mangi

Service life

Cementitious

10.1007/s11356-021-17807-6

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Modified Hybrid Grey Model (1,1) to Forecast Cellular Subscribers

Mehran University Research Journal of Engineering and Technology (2018)

Maria Junejo Asif Ali Shaikh Abdul Sami Qureshi

This study develops MHGM (1,1) (Modified Hybrid Grey Model) which is the combination of two models first one is improved GM (1,1), this model consists of optimization of initial and background values and other is concave EDDGM (1,1) (Dynamic Discrete Grey Model) termed, in this model equal division technique is applied to fit the concavity of cumulative sequence and after that created dynamic average value and on the basis of that dynamic average value dynamic discrete GM (1,1) model is established and by the gradual heuristics method or the dichotomy approach the initial equal division number is obtained. We have fixed equal division number 'n' between 0 and 1in MHGM (1,1). For forecasting of starting half years we use y(0)(m) as initial condition of model in time restored function and also multiply by a factor e-b 1 to adjust the model. This model has applied without solving by heuristics or dichotomy method. Subscribers of cellular networks increase day by day in Pakistan; cellular industry has total five networks in Pakistan. In this paper data of three cellular networks subscribers that are Mobilink, Ufone and Zong have taken as application of models and it has been proved by using mean absolute percentage error that the forecast accuracy of MHGM (1,1) is better than GM (1,1) (Grey Model) and improved grey model (1,1).

Heuristics

Value (mathematics)

Sequence (biology)

10.22581/muet1982.1802.19

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Benefits of Incorporating Induction Furnace Slag in Concrete as Replacement of Cement: A Case Study of Pakistan

Mehran University Research Journal of Engineering and Technology (2018)

Mohammad Laeeque Ahmed Muhammad Afzal Javed Abdul Sami Qureshi

As Pakistan along with the rest of the world continues to develop, demand for limited natural resources continues to increase also. This demand for resources and subsequent waste that is generated has driven the idea of sustainability towards the forefront of modern day research. To achieve this goal, new and innovative ways are being developed to recycle waste materials that otherwise would end up in landfill sites. Slag, a by-product of steel manufacturing is one such waste material. Pakistan as being a developing country does not have proper facilities to insure safe disposal and recycling of slag. Hence, new and innovative ways for recycling slag are a necessity for Pakistan to move towards technological advancement. Current study focuses to explore the feasibility of using local induction furnace slag as partial substitute of OPC (Ordinary Portland Cement) in concrete as well as to check its performance against chloride and sulphate damage. The test results showed that 15% or more slag replacement will make the concrete immune to chloride and sulphate damage. However, results also indicate that with increase in slag replacement percentage there is a significant drop in compressive, flexural and split tensile strength of concrete. Keeping in view the loss of strength, immunity against chloride and sulphate damage, reduction in cost of making concrete and sustainability benefits; 15% slag replacement has been deemed optimum replacement value.

Slag (welding)

Copper slag

10.22581/muet1982.1804.20

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Citations (8)

Operating Speed Prediction Model for Existing Two Lane Two-Way Old Alignments

Mehran University Research Journal of Engineering and Technology (2005)

Abdul Sami Qureshi Ghous Bux Khakheli Rizwan Ali Memon

This paper discusses the development of operating speed prediction models to assess the geometric design consistency and thus the safety of Pakistan's two lane rural roads. While research into operating speed and design consistency has been widely performed in Europe and North America, no such research has been done in Pakistan. Models of operating speeds that take into account local climate, pavement conditions, driver behavior and other Pakistan-specific variables are necessary to provide the basis for further work on Pakistan's road design and safety. The paper presents three operating speed prediction models based on real speed data collected on Pakistan's two lane, two-way rural highways.

Operating speed

Geometric design

Design speed

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Operating speed models for two-lane rural roads in Pakistan

Canadian Journal of Civil Engineering (2008)

Rizwan Ali Memon Ghous Bux Khaskheli Abdul Sami Qureshi

One of the suitable techniques used to improve safety on roads is to check the consistency of geometric design. The concept of design consistency has emerged worldwide, but no research has been found to date on design consistency in Pakistan. The most common parameter for the evaluation of design consistency is operating speed. Several models have been developed to predict operating speed on two-lane rural roads. However, these models were based on spot speed data collected through traditional speed measuring devices. This study uses continuous speed profile data collected using a vehicle equipped with a VBox (a global positioning system based device). Eleven test sections were selected in two provinces of Pakistan (i.e., Sindh and Balochistan). Driver behavior is also studied in the present research. Models were developed for prediction of operating speed on horizontal curves and on tangents. Validation of the developed models shows compatibility with the experimental data; hence, the developed speed prediction models can be used to evaluate the geometric design consistency of two-lane rural roads in Pakistan.

Operating speed

Geometric design

Design speed

10.1139/l07-126

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Citations (37)

Nano-suspension combined effect with polymer gels for enhanced oil recovery in low permeability reservoir

Arabian Journal of Geosciences (2021)

Imran Akbar Hongtao Zhou Wei Liu Abdul Sami Qureshi Asadullah Memon

Suspension

Produced water

Residual oil

10.1007/s12517-021-07534-0

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Performance evaluation of a novel CO2-induced clean fracturing fluid in low permeability formations

Journal of Petroleum Science and Engineering (2021)

Azizullah Shaikh Caili Dai Yongpeng Sun Qing You Abdul Sami Qureshi

Fracturing fluid

Residual oil

10.1016/j.petrol.2021.109674

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Citations (15)