Mudthir Bakri

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• Ph D Geotechnical Engineering
• Professor (Assistant) at Qassim University

In this study, mortars containing locally available natural pozzolan (NP) in Almadinah Almunawara, Kingdom of Saudi Arabia, were investigated as a partial substitute for sand or cement in mortars and silica fume (SF). The benefit of using local NP powder as a replacement for cement is that it reduces the carbon dioxide emission during the cement ma...

Purpose. The purpose of the paper is to provide open-pit mining operations with practical strategies and insights to optimize truck loading and hauling cycles, ultimately leading to enhanced productivity and economic advantages. Methods. The objectives are to minimize loading time, optimize the haul road network, enhance truck performance, and opti...

This study focuses on estimating vehicle-related PM2.5 emissions along the Nairobi Expressway using a novel Local Cascade Ensemble - SHapley Additive exPlanations (LCE-SHAP) framework. The datasets utilized in this research include air quality, meteorological, and traffic data collected from sensors located along three key sites of the expressway:...

Examining the factors contributing to work zone crashes and implementing measures to reduce their occurrence can significantly improve road safety. In this research, we utilized the explainable boosting machine (EBM), a modern glass-box machine learning (ML) model, to categorize and predict work zone-related crashes and to interpret the various con...

The outbreak of COVID-19 has had a profound impact on the Saudi construction industry as well as the country’s economy. The pandemic jeopardized the positive perspectives and growth in megaproject numbers, as it has amplified the constraints that prevent the construction sector from realizing growth. This research work is intended to evaluate the s...

This study illustrates the effect of incorporating natural pozzolan (NP) and silica fume (SF) in cement-based mortars on the compressive strength. Up to 40% of the weight of cement in cement mortars can be replaced by NP powder. NP in its natural state can be used to replace up to 40% of the volume of sand in cement mortars. The replacement levels...

The effects of polypropylene fibres on mortar and cement-paste cracking were investigated using different amounts of fibre fractions and eccentric rings under restrained-shrinkage conditions. Eccentric-ring tests were conducted to investigate early-age shrinkage cracks. The characteristics of restricted cementitious materials were described by eval...

This paper aims to present a new and accurate design equation by employing the applications of deep learning and mathematical modeling techniques in calculating the shear strength and the failure mode of corrugated web girders (CWG) formed by S690 high-strength steel (HSS). HSS provides slenderer and weight-efficient structures than those would be...

This research demonstrates the results of an investigation into the California bearing ratio (CBR) of granular soils from Qassim region, Saudi Arabia, using multilinear regression (MLR), pure quadratic (PQ) models, and gene expression programming (GEP) methods utilized to develop mathematical models for estimating the CBR based on basic soil index...

Engineers have investigated the use of various types of composite techniques on structural elements to obtain structural elements with high flexure capacity due to the need for higher strength structural materials and the need for large-span structures. The high compressive strength and deformation capacity of the Ultra-High-Performance Fiber Reinf...

Groundwater is the main source of fresh water in arid regions. The Saq aquifer is a transboundary sandstone groundwater layer that extended into Saudi Arabia and Jordan. The groundwater level of the aquifer is depleted due to extensive pumping with negligible natural recharge. The objective of this study is to predict the artificial recharge suppli...

This paper proposes an eccentric ring test that can be used to determine the behaviour of restrained cement materials with regard to cracking time and select concrete mixtures that are less likely to crack. The effects of polypropylene fibres on the cracking of cementitious composites were investigated using three volume fractions of the fibres and...

This paper proposes an eccentric ring test that can be used to determine the behaviour of restrained cement materials with regard to cracking time and select concrete mixtures that are less likely to crack. The effects of polypropylene fibres on the cracking of cementitious composites were investigated using three volume fractions of the fibres and...

In this study, mortars containing locally available natural pozzolan (NP) in Almadinah Almunawara, Kingdom of Saudi Arabia, were investigated as a partial substitute for sand or cement in mortars and silica fume (SF). The benefit of using local NP powder as a replacement for cement is that it reduces the carbon dioxide emission during the cement ma...

Soil movement laws induced by shallow tunnel excavation had been covered by many researchers, but the research on the horizontal displacement induced by tunnel excavation is insufficient. Based on the summary and comparison of three formulas of soil layer’s settlement, a formula for calculating the horizontal displacements in the soil above the tun...

This paper presents a three-dimensional model of the load sharing ratio with a three-stage load sharing pattern for slope stabilizing piles. A definitive new three-stage load transfer pattern is presented, friction soil arching (Soil Arching between Piles), soil arching behind piles (end-bearing), and the sliding mass in front of the pile. By virtu...

This paper presents a numerical study that performs the stability of slopes on bedrock reinforced with single pile row at different locations. The slope is formed of top sliding soil layer that underlies over rock. The numerical analysis has been implemented by employing the three dimensional analysis using FLAC3D. The results indicate that as the...

Soil movement laws induced by shallow tunnel excavation had been covered by many researchers, but the research on the horizontal displacement induced by tunnel excavation is insufficient. Based on the summary and comparison of three formulas of soil layer's settlement, a formula for calculating the horizontal displacements in the soil above the tun...

This paper presents a three-dimensional model of the load sharing ratio with a three-stage load sharing pattern for slope stabilizing piles. A definitive new three-stage load transfer pattern is presented, friction soil arching (Soil Arching between Piles), soil arching behind piles (end-bearing), and the sliding mass in front of the pile. By virtu...

Piles are used widely for stabilization of landslides. To stabilize a slope settled on bedrock with piles the required factor of safety must be checked, and pile should be designed properly. Piles should be socketed into firm rock to prevent uprooting or overturning .In this research it is aimed to look into the socketed length of pile in bedrock....

This paper presents a three-dimensional model of the load sharing ratio with a three-stage load sharing pattern for slope stabilizing piles. A definitive new three-stage load transfer pattern is presented, friction soil arching (Soil Arching between Piles), soil arching behind piles (end- bearing), and the sliding mass in front of the pile. By virt...