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- Keyword
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- Fatigue (3)
- Precipitation (2)
- ABAQUS; Characterization; Dynamic loads; Elasticity; Finite element method; Hot rolling; Pavements; Sensitivity analysis (1)
- Adobe; Deflections; Experimental test; In-plane deformation; Lateral load; Moisture; Out-of-plane deformation; Tensile crack (1)
- Aggregates; Asphalt cement; Cement; Fatigue cracking; HMA; Lime; Rutting; Stabilizing agents; Surface roughness (1)
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- Aging of materials; Asphalt; Binders; Bins; Mixing; Mixtures; Sustainable development (1)
- Asphalt (1)
- Asphalt mixtures (1)
- Asphalt; Characterization; Cost benefit analysis; Cost effectiveness; Costs; Fatigue of materials; Fatigue testing; Mixtures; Polymers; Software testing; Sustainable development (1)
- Automatic Distress Detection (1)
- Axle loading (1)
- Blast (1)
- Bridges (1)
- Concrete (1)
- Cost-effectiveness (1)
- Deflection bowl; deflection parameters; pavement categorization; pavement structural health; software simulations (1)
- Earthquake; Seismic; Ground Motion (1)
- Fatigue Cracking (1)
- Faulting (1)
- Fiber-reinforced polymer (FRP) (1)
- Finite element modeling (1)
- International Roughness Index (IRI) (1)
- Jointed Plain Concrete Pavement (JPCP) (1)
- Mechanistic Empirical (ME) (1)
- Monitoring; Reinforced concrete; Spalling; Compartment fires; Elevated temperature; Experimental furnace; Mechanical loading (1)
- PICUCHA Method (1)
- Pavement Engineering (1)
- Polymer (1)
- Relative Humidity (1)
- Retrofit (1)
Articles 1 - 15 of 15
Full-Text Articles in Engineering
Structural Health Assessment Of Pavement Sections In The Southern Central United States Using Fwd Parameters, Nitish R. Bastola, Mena Souliman, Samer Dessouky, Raja Daoud
Structural Health Assessment Of Pavement Sections In The Southern Central United States Using Fwd Parameters, Nitish R. Bastola, Mena Souliman, Samer Dessouky, Raja Daoud
Civil Engineering Faculty Publications and Presentations
Various Departments of Transportation in the South-Central States and elsewhere have made extensive use of the Non-Destructive Testing (NDT) surface deflection bowl data. The falling weight deflectometer (FWD) test is a popular NDT-based test used by transportation authorities to evaluate the performance of flexible pavement. Nevertheless, it is rare to develop a method for evaluating pavement sections using FWD data from all sensors. There is a constant demand for DOTs and highway agencies to have a streamlined approach that can be applied directly to their databases. This research focuses on extending and verifying the concept of previously published area ratio …
Enhanced Flexible Pavement Performance Using Treated Compared To Untreated Aggregate Bases: A Comparative Case Study In The Southern United States, Mena L. Souliman, Hemant Gc, Zabi Mohammed
Enhanced Flexible Pavement Performance Using Treated Compared To Untreated Aggregate Bases: A Comparative Case Study In The Southern United States, Mena L. Souliman, Hemant Gc, Zabi Mohammed
Civil Engineering Faculty Publications and Presentations
One of the important aspects of highway design is aggregates. Aggregates strength and consistency has an effect on pavement structure's overall performance. The consistency of the base material near the site of the construction doesn't always match the requirements of pavement construction and carrying quality aggregate raises the cost of construction. Stabilizing agents such as asphalt cement, lime, fly ash were used to improve the strength of these materials in order to make greater use of locally available materials. Layer materials present in the pavements and the structure of them influence pavement performance. The compressive strain and the tensile strain …
Laboratory Study On The Strength Behaviour Of Two Laterally Loaded Adobe Walls, Brad D. Weldon, Paola Bandini, Michael J. Mcginnis, Eduardo Dávila, Diego I. Garcia Vera
Laboratory Study On The Strength Behaviour Of Two Laterally Loaded Adobe Walls, Brad D. Weldon, Paola Bandini, Michael J. Mcginnis, Eduardo Dávila, Diego I. Garcia Vera
Civil Engineering Faculty Publications and Presentations
Adobe is a traditional construction technique found in historic and new construction throughout the world, often in earthquake-prone regions. Adobe structures are particularly susceptible to seismic forces due to their substantial mass and low tensile capacity. In addition, adobe is affected negatively by moisture that may penetrate from the ground or through the plaster. This paper describes the preliminary findings of an experimental program to investigate the effect of higher water content in the lower part of the wall on the wall strength behaviour under lateral loading. Lateral load tests were conducted on two quarter-scale adobe walls, one in air-dry …
Ltpp Data Analysis: Factors Affecting Pavement Roughness For The State Of California, Pedro Zavanga, Alisha Khanal, Mena I. Souliman
Ltpp Data Analysis: Factors Affecting Pavement Roughness For The State Of California, Pedro Zavanga, Alisha Khanal, Mena I. Souliman
Civil Engineering Faculty Publications and Presentations
The contributions of pavement structure and features, rehabilitation techniques, climatic conditions, traffic levels, layer materials and properties, pavement distress, and other factors causing changes in pavement smoothness are not well documented. As a result, it becomes difficult to select the appropriate pavement structure, design features and rehabilitation strategies to ensure pavement smoothness. This study focuses on analysing the available LTPP data for asphalt pavements in California by investigating the correlation between the pavement roughness and the effect of pavement temperature, precipitation, fatigue, age of pavement, rutting, and the average annual daily truck traffic. IRI has been identified as the factor …
Effects Of Short-Term Aging On Asphalt Binders And Hot Mix Asphalt At Elevated Temperatures And Extended Aging Time, Rubben Lolly, Waleed Zeiada, Mena Souliman, Kamil Kaloush
Effects Of Short-Term Aging On Asphalt Binders And Hot Mix Asphalt At Elevated Temperatures And Extended Aging Time, Rubben Lolly, Waleed Zeiada, Mena Souliman, Kamil Kaloush
Civil Engineering Faculty Publications and Presentations
The production process of Hot Mix Asphalt (HMA) causes a short term aging (STA) to asphalt binder due to the heating of both asphalt binder and aggregates before mixing together. Laboratory protocols are followed to simulate the STA conditions for both asphalt binders and asphalt mixtures. STA protocols expose asphalt binders or asphalt mixtures to specific aging temperature for a specific period of time to produce stiffening that is similar to that of actual production conditions. Successful construction of HMA in cold season/regions may require elevating the production temperature of HAM to achieve proper compaction of HMA layers. Producing HMA …
Prediction Of Average Annual Surface Temperature For Both Flexible And Rigid Pavements, Karthikeyan Loganathan, Mena I. Souliman
Prediction Of Average Annual Surface Temperature For Both Flexible And Rigid Pavements, Karthikeyan Loganathan, Mena I. Souliman
Civil Engineering Faculty Publications and Presentations
The surface temperature of pavements is a critical attribute during pavement design. Surface temperature must be measured at locations of interest based on time-consuming field tests. The key idea of this study is to develop a temperature profile model to predict the surface temperature of flexible and rigid pavements based on weather parameters. Determination of surface temperature with traditional techniques and sensors are replaced by a newly developed method. The method includes the development of a regression model to predict the average annual surface temperature based on weather parameters such as ambient air temperature, relative humidity, wind speed, and precipitation. …
Mechanical And Economical Impacts Of Adding Polymers Into Asphalt Mixtures, Mena Souliman, Waleed Zeiada, Lubinda Walubita
Mechanical And Economical Impacts Of Adding Polymers Into Asphalt Mixtures, Mena Souliman, Waleed Zeiada, Lubinda Walubita
Civil Engineering Faculty Publications and Presentations
Load associated fatigue cracking is one of the major distress types occurring in flexible pavements. Flexural bending beam fatigue laboratory test has been used for several decades and is considered an integral part of the Superpave advanced characterization procedure. One of the most significant solutions to sustain the fatigue life for an asphaltic mixture is to add sustainable materials such as polymers to the asphalt mixture. A laboratory testing program was performed on two gap-graded mixtures: unmodified and polymer-modified asphalt mixtures. Strain controlled fatigue tests were conducted according to the AASHTO T321 procedure. The results from the beam fatigue tests …
Effects Of Tire Inclination (Turning Traffic) And Dynamic Loading On The Pavement Stress-Strain Responses Using 3-D Finite Element Modeling, Xiaodi Hu, Abu N.M. Faruk, Jun Zhang, Mena I. Souliman, Lubinda F. Walubita
Effects Of Tire Inclination (Turning Traffic) And Dynamic Loading On The Pavement Stress-Strain Responses Using 3-D Finite Element Modeling, Xiaodi Hu, Abu N.M. Faruk, Jun Zhang, Mena I. Souliman, Lubinda F. Walubita
Civil Engineering Faculty Publications and Presentations
In this study, ABAQUS finite element (FE) modeling in three-dimensional (3-D) loading mode was utilized to analytically investigate and quantify the effects of tire inclination and dynamic loading on the stress-strain responses of a pavement structure under varying loading and environmental conditions. The input variables for modeling consisted of actual laboratory and field data obtained from an in-service highway US 59 and included the in-situ pavement structure, material properties (i.e., modulus and shear strength), traffic, and climatic (i.e., temperature) data. Computational modeling and sensitivity analyses were conducted through variation of the following two input variables with a focus on the …
A Mechanistic-Empirical Impact Analysis Of Different Truck Configurations On A Jointed Plain Concrete Pavement (Jpcp), Lubinda F. Walubita, Tito P. Nyamuhokya, Stefan A. Romanoschi, Xiaodi Hu, Mena I. Souliman
A Mechanistic-Empirical Impact Analysis Of Different Truck Configurations On A Jointed Plain Concrete Pavement (Jpcp), Lubinda F. Walubita, Tito P. Nyamuhokya, Stefan A. Romanoschi, Xiaodi Hu, Mena I. Souliman
Civil Engineering Faculty Publications and Presentations
Until the last decade, the 1993 American Association of State Highway and Transportation Officials (AASHTO) design guide has been traditionally used for the design of flexible and rigid pavements in the USA and some parts of the world. However, because of its inability to meet the new traffic and material challenges, a Mechanistic Empirical Pavement Design Guide (MEPDG) was introduced based on an NCHRP 1-37 A study conducted in 2004. This study used the MEPDG software and associated models to determine, through comparative truck damage analysis, the effects of nine different truck configurations on a 12 inch-jointed plain concrete pavement …
Cost-Effectiveness Of Rubber And Polymer Modified Asphalt Mixtures As Related To Sustainable Fatigue Performance, Mena I. Souliman, Michael Mamlouk, Annie Eifert
Cost-Effectiveness Of Rubber And Polymer Modified Asphalt Mixtures As Related To Sustainable Fatigue Performance, Mena I. Souliman, Michael Mamlouk, Annie Eifert
Civil Engineering Faculty Publications and Presentations
Load associated fatigue cracking is one of the major distress types occurring in flexible pavements. Flexural bending beam fatigue laboratory test has been used for several decades and is considered an integral part of the Superpave advanced characterization procedure. One of the most significant solutions to sustain the fatigue life for an asphaltic mixture is to add sustainable materials such as rubber or polymers to the asphalt mixture. A laboratory testing program was performed on three gap-graded mixtures: unmodified, Asphalt Rubber (AR) and polymer-modified. Strain controlled fatigue tests were conducted according to the AASHTO T321 procedure. The results from the …
Impact Of Image Resolution On Pavement Distress Detection Using Picucha Methodology, Reus Salini, Bugao Xu, Mena I. Souliman
Impact Of Image Resolution On Pavement Distress Detection Using Picucha Methodology, Reus Salini, Bugao Xu, Mena I. Souliman
Civil Engineering Faculty Publications and Presentations
An accurate and regular survey of the road surface distresses is a key factor for pavement rehabilitation design and management, allowing public managers to maximize the value of the continuously limited budgets for road improvements and maintenance. Manual pavement distress surveys are labor-intensive, expensive and unsafe for highly-trafficked highways. Over the years, automated surveys using various hardware devices have been developed and improved for pavement field data collection to solve the problems associated with manual surveys. However, the reliable distress detection software and the data analysis remain challenging. This study focused on the analysis of a newly-developed pavement distress classification …
Mechanistic And Economical Characteristics Of Asphalt Rubber Mixtures, Mena I. Souliman, Annie Eifert
Mechanistic And Economical Characteristics Of Asphalt Rubber Mixtures, Mena I. Souliman, Annie Eifert
Civil Engineering Faculty Publications and Presentations
Load associated fatigue cracking is one of the major distress types occurring in flexible pavement systems. Flexural bending beam fatigue laboratory test has been used for several decades and is considered to be an integral part of the new superpave advanced characterization procedure. One of the most significant solutions to prolong the fatigue life for an asphaltic mixture is to utilize flexible materials as rubber. A laboratory testing program was performed on a conventional and Asphalt Rubber- (AR-) gap-graded mixtures to investigate the impact of added rubber on the mechanical, mechanistic, and economical attributes of asphaltic mixtures. Strain controlled fatigue …
Performance Of Frp-Retrofitted Concrete Bridge Columns Under Blast Loading, R. Zheng, P. Zohrevand, H. Erdogan, Amir Mirmiran
Performance Of Frp-Retrofitted Concrete Bridge Columns Under Blast Loading, R. Zheng, P. Zohrevand, H. Erdogan, Amir Mirmiran
Civil Engineering Faculty Publications and Presentations
Contrary to military or essential government buildings, most bridges are designed without any consideration for blast resistance. Fiber-reinforced polymers (FRPs) can provide an effective means for strengthening of critical bridges against such loading. This study has focused on the effectiveness of FRP retrofitting in the dynamic response of reinforced concrete bridge columns under blast loading. Using a simplified equivalent I-section with a virtual material lumped at the two flanges; a lightly meshed uniaxial finite element model was developed and successfully validated against previous studies. The proposed model was then used for a thorough parametric study on the blast resistance of …
Predictive Models For Earthquake Response Of Clay And Sensitive Clay Slopes, Amir M. Kaynia, Gokhan Saygili
Predictive Models For Earthquake Response Of Clay And Sensitive Clay Slopes, Amir M. Kaynia, Gokhan Saygili
Civil Engineering Faculty Publications and Presentations
Earthquake-induced permanent displacement and shear strain are suitable indicators in assessing the seismic stability of slopes. In this paper, predictive models for the permanent displacement and shear strain as functions of the characteristics of the slope (e.g. factor of safety) and the ground motion (e.g. peak ground acceleration) are proposed. The predicted models are based on numerical simulations of seismic response of infinite slopes with realistic soil profiles and geometry parameters. Predictive models are developed for clay and sensitive clay slopes. A strain-softening soil model is used for sensitive clays. A comparison of the permanent displacement and strain predictions for …
Design And Performance Of A Skid-Mounted Portable Compartment Fire Gas Furnace And Monitoring System, K. Mueller, Y. Kurama, M. Mcginnis, M. Lisk
Design And Performance Of A Skid-Mounted Portable Compartment Fire Gas Furnace And Monitoring System, K. Mueller, Y. Kurama, M. Mcginnis, M. Lisk
Civil Engineering Faculty Publications and Presentations
A custom, portable natural gas fire furnace was designed and constructed for use at the University of Notre Dame to experimentally investigate the out-of-plane behavior of full-scale reinforced concrete (RC) bearing walls under fire. The unique aspects of this furnace allowed the application of large mechanical loads and non-contact optical response monitoring to be done while subjecting the wall to elevated temperatures. The performance of the experimental furnace, mechanical loading, and response monitoring system is reported using the results from the first two RC wall test specimens.