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Meet the Researcher - Mohammed Mohammed

MEET THE RESEARCHER LIVE ON APRIL 28‚Äč
Breakout Room: 10

MohammedMohammed_HeadshotResearcher Name: Mohammed Mohammed
Title of Research: Evaluation of the Strength of Overconsolidated Soils
Division Representing: Engineering
Institution: North Dakota State University
Institution Location: North Dakota
Home State: North Dakota
District Number: At-Large
Advisor/Mentor: Beena Ajmera
Funding Source: National Science Foundation
 

Research Experience:  
Undergraduate Researcher | August 2020 - Present | Department of Civil and Environmental Engineering, North Dakota State University, Fargo, ND, USA (Faculty Supervisor: Dr. Beena Ajmera)Undergraduate Research Project Title: Using SHANSEP and Hvorslev's Frameworks to Evaluate the Undrained Shear Strength of Clays NDSU Geo-Wall Team (Co-Captain) | September 2020 - Present Engineers Without Borders | November 2020 Fargo-Moorhead Economic Development Corporation | November 2019 United Ways | August 2018 

Presentation Experience: 
The student (Mohammed Mohammed) has been actively presenting his research findings in front of the geotechnical discipline's academic research group, including undergraduate audience members, graduate, and Ph.D. level researchers and advisors present during the presentations.Previous experiences in presentation for the student in different English and Humanitarian Studies courses, presented in front a variety of audiences in different disciplines and professions.The student is highly competent in presenting his work to audience members on any level and from any discipline.The student is also preparing to present his work proceeding of the 2021 National Conferences on Undergraduate Research.

Significance of Research:       
Soils that were under higher pressures than the pressures they are subjected to currently are called overconsolidated soils. The strength of soil plays a significant role in the design and construction of natural and man-made applications such as landslides, earth retaining walls, abutments of bridges, and embankments. An example of soil shear strength failure is the Oso landslide in Washington in 2014, which is the most disastrous landslide in the country's history. Another example is the recent dam failures in Michigan last June. Both catastrophes required an understanding of the strength of the underlying overconsolidated soils. Although there are research studies on soil strength, not many specifically examine the strength of overconsolidated fine-grained soils. In this study, direct simple shear tests conducted using different mixed fine-grained soil samples to study their behavior. The results were analyzed using the Stress History and Normalized Soil Engineering Properties (SHANSEP) technique, which is used to relate the strength of soil in terms of the maximum pressure that the soil has experienced and the current vertical pressure. A unique relationship between the strength of the soil and the corresponding maximum and current vertical pressures is developed. This relationship will significantly ease the preliminary testing required to design and evaluate civil infrastructure.

Uniqueness of Research: 
This research is significant to the civil engineering discipline in many ways. It is necessary that we are familiar with all of the strength characteristics of different soils to eliminate the possibility of catastrophes from happening when engineering professionals design and construct civil infrastructure.

 

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