Yaghoob Farnam Research Group
Yaghoob Farnam Research Group
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​Drexel ASIM research Group
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Advanced and Sustainable Infrastructure Materials
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News and Events


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NSF I-Corps Project: Lightweight Aggregates from Waste Bottom Ash
 
​Dr. Farnam receives an award form National Science Foundation (NSF) to study the production potential of lightweight aggregates (LWA) from unused waste bottom ash of coal electric power industry. Each year in the United States around 120 million tons of coal combustion products (e.g., fly ash and bottom ash) are generated of which 37% is reused. This has led to a large historical stock of unused coal ash stored in on-site surface impoundments. Production of LWA from unused bottom ash will result in conversion of waste material to value-added product that can be used for concrete and geotechnical applications.

Read More, November 2017

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K12 STEM Scholar Workshop: Engineer Your City with Self-Healing Infrastructure 
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ASIM Group in collaborations with Dr. Sales's group, Franklin Institute STEM Scholar Program, Drexel Library, and Elsevier conducted a 2-day K12 STEM Scholar Workshop entitled “Engineer Your City with Self-Healing Infrastructure”. During this workshop, a group of high school students worked in teams, searched for information from scientific literature, performed experiment, and learnt how to use this information to come up with technological solutions to solve problems in their community. Students were taught to present their outcomes with an innovative way of preparing graphical abstract.

August 2017

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Evaluating the Potential Use of Alginate to Enable Microbial Self-Healing in Concrete 
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Dr. Farnam presented "Evaluating the Potential Use of Alginate to Enable Microbial Self-Healing in Concrete" by M. Ksara, S. Keshani, E. Mayerberger, F. Althoey, C. Sales, C. Schauer, and Y. Farnam in the 6th International Conference on Self-Healing Materials, 25 - 28 June 2017 Graf-Zeppelin-Haus, Friedrichshafen/Germany. 

June 2017

Melting Snow Using Phase Change Materials (PCM) in Concrete (Reference vs PCM-LWA, 7 °C to 2 °C) 
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Phase change materials (PCM) can be incorporated in concrete pavement as a novel methodology to melt ice/snow over the surface of the pavement. PCM is an organic material that can be designed to store energy from ambient, applied or solar sources and the stored energy can be used during cooling events to heat up concrete pavements. In this movie, PCM was incorporated in concrete slab using lightweight aggregate (LWA) and its potential to melt snow was compared with reference slab with no PCM when the ambient temperature varied between 7 °C to 2 °C. 

Watch Here, July 2016

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The Most Cited Article: "Experimental and Numerical Investigation of Impact Behavior of Ultra-High Performance Concrete" Is Among the Most Cited International Journal of Impact Engineering Articles Since 2010
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"Experimental and numerical investigations of low velocity impact behavior of high-performance fiber-reinforced cement based composite" by Y. Farnam, S. Mohammadi, and M. Shekarchi is announced to be among the most cited International Journal of Impact Engineering (Elsevier) articles since 2010, extracted from Scopus. 

Read More, Nov 2015

Road Salt is Worse Than You Think!

U.S. infrastructure continues to decay at an alarming rate, as exemplified by the low grades consistently awarded by the ASCE Infrastructure Report Card. While there are many contributors to the decay and degradation of our nation's transportation infrastructure, one that cannot be overlooked in many states is the annual winter application of deicing salts. We often use deicing salt to melt ice and snow after a snowstorm and to increase the safety, but is it bad for the environment?

Read More for damage mechanisms, 
Watch Here for environmental impact, Oct. 2015

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Damage Development, Phase Changes, Transport Properties, and Freeze-Thaw Performance of Cementitious Materials Exposed to Chloride Based Salts

Dr. Farnam presented "Damage development, phase changes, transport properties, and freeze-thaw performance of cementitious materials exposed to chloride based salts" at Purdue University. Recently, there has been a dramatic increase in premature deterioration in concrete pavements and flat works that are exposed to chloride based salts. Chloride based salts can cause damage and deterioration in concrete due to the combination of factors which include: increased saturation, ice formation, salt crystallization, osmotic pressure, corrosion in steel reinforcement, and/or deleterious chemical reactions.

Read More, April 2015
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​​Drexel ASIM Research Group
Advanced & Sustainable Infrastructure Materials 
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Dr. Yaghoob Farnam

Assistant Professor 
Drexel University
Civil, Architectural, and Environmental Eng. Dept.
Email; yfarnam@drexel.edu

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