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Low-Cost Rural Surface Alternatives: Demonstration Project - Tech Transfer Summary, Cheng Li, Jeramy C. Ashlock, David White, Pavana Vennapusa 2015 Iowa State University

Low-Cost Rural Surface Alternatives: Demonstration Project - Tech Transfer Summary, Cheng Li, Jeramy C. Ashlock, David White, Pavana Vennapusa

Jeramy C. Ashlock

A field demonstration project was conducted in Hamilton County, Iowa to compare the relative performance, durability, and costs of several stabilization methods for preventing or mitigating freeze-thaw damage to granular surfaced roads.


Low-Cost Rural Surface Alternatives: Demonstration Project, Cheng Li, Jeramy C. Ashlock, David White, Pavana Vennapusa 2015 Iowa State University

Low-Cost Rural Surface Alternatives: Demonstration Project, Cheng Li, Jeramy C. Ashlock, David White, Pavana Vennapusa

Jeramy C. Ashlock

The goals of this project were to implement several stabilization methods for preventing or mitigating freeze-thaw damage to granular surfaced roads and identify the most effective and economical methods for the soil and climate conditions of Iowa. Several methods and technologies identified as potentially suitable for Iowa were selected from an extensive analysis of existing literature provided with Iowa Highway Research Board (IHRB) Project TR-632.

Using the selected methods, demonstration sections were constructed in Hamilton County on a heavily traveled two-mile section of granular surfaced road that required frequent maintenance during previous thawing periods. Construction procedures and costs of the ...


Analysis Of Sedimentation Characteristics Of Dredge Sediment Used In Coastal Restoration And Marsh Creation Projects, Christine M. Mebust 2015 University of New Orleans

Analysis Of Sedimentation Characteristics Of Dredge Sediment Used In Coastal Restoration And Marsh Creation Projects, Christine M. Mebust

University of New Orleans Theses and Dissertations

There is a demand to reestablish a healthy coastal ecosystem by rebuilding wetlands with river diversion or dredged sediments in coastal Louisiana. Land building projects using dredged sediments from adjacent canals and river beds, can be used to protect the coastal properties and infrastructure systems from flood and storm surges. To predict the sediment’s long term behavior, math models require input parameters based on sediment engineering properties and material characteristics. Proper characterization is critical for accurate design of coastal restoration projects. The dredge material sedimentation characteristics and their effects on the settlement rate of suspended solid particles and underlying ...


Cleveland Sidewalk Studies: Plan For Blythe Avenue Area Sidewalk Extension To 20th Street Se And Plan For Neighborhood Connector Sidewalks To Wildwood Avenue, Thuy Trieu, Kelly Nicholas, Scott Rice, Michael Williams, Heath Sain, Jonathan Reagan 2015 University of Tennessee - Knoxville

Cleveland Sidewalk Studies: Plan For Blythe Avenue Area Sidewalk Extension To 20th Street Se And Plan For Neighborhood Connector Sidewalks To Wildwood Avenue, Thuy Trieu, Kelly Nicholas, Scott Rice, Michael Williams, Heath Sain, Jonathan Reagan

University of Tennessee Honors Thesis Projects

No abstract provided.


Integration Of A Prototype Wireless Communication System With Micro-Electromechanical Temperature And Humidity Sensor For Concrete Pavement Health Monitoring, Shuo Yang, Keyan Shen, Halil Ceylan, Sunghwan Kim, Daji Qiao, Kasthurirangan Gopalakrishnan 2015 Iowa State University

Integration Of A Prototype Wireless Communication System With Micro-Electromechanical Temperature And Humidity Sensor For Concrete Pavement Health Monitoring, Shuo Yang, Keyan Shen, Halil Ceylan, Sunghwan Kim, Daji Qiao, Kasthurirangan Gopalakrishnan

Civil, Construction and Environmental Engineering Publications and Papers

In recent years, structural health monitoring and management (SHMM) has become a popular approach and is considered essential for achieving well-performing, long-lasting, sustainable transportation infrastructure systems. Key requirements in ideal SHMM of road infrastructure include long-term, continuous, and real-time monitoring of pavement response and performance under various pavement geometry-materials-loading configurations and environmental conditions. With advancements in wireless technologies, integration of wireless communications into sensing device is considered an alternate and superior solution to existing time- and labor-intensive wired sensing systems in meeting the requirements of an ideal SHMM. This study explored the development and integration of a wireless communications sub-system ...


Static And Dynamic Response Of Silty Toyoura Sand With Pva Fibre And Cement Additives, Colin J.R. Schmidt 2015 The University of Western Ontario

Static And Dynamic Response Of Silty Toyoura Sand With Pva Fibre And Cement Additives, Colin J.R. Schmidt

University of Western Ontario - Electronic Thesis and Dissertation Repository

After the Great East Japan Earthquake of 2011, nearly 24 million tons of disaster debris such as concrete products, natural and polymeric fibres, and tsunami deposits remained on the coast of Japan. Much of this debris was recycled and repurposed in engineering projects such as embankments, park restoration, and agricultural field restoration around Tokyo Bay, one of the hardest hit regions of the country. Such a major disaster developed a need for the stabilization of the liquefaction susceptible regions of the reclaimed Tokyo Bay coastline. This thesis specifically focuses on the stabilization against liquefaction of Toyoura sand with the typical ...


Mechanical Behavior Of Grouted Sands, Ryan C. Ortiz 2015 University of Kentucky

Mechanical Behavior Of Grouted Sands, Ryan C. Ortiz

Theses and Dissertations--Civil Engineering

Grouting techniques have been in used for many years, but several new grout materials have surfaced in recent decades that have re-defined the boundaries of the limitations of grouting programs. Typically these applications are used for seepage control in earthen impoundments, but strength of these earthen impoundments should be considered where there is potential for movement in the grouted soil mass. This study investigated initial conditions that could affect grout application effectiveness. The initial conditions in question were soil grain size and in situ moisture content. Two grouts were used, ultrafine and acrylate, and variations in pure grout properties were ...


Prediction Of Strength And Shear Modulus Of Compacted Clays Within An Unsaturated Critical State Framework, Corrie Walton-Macaulay 2015 University of Kentucky

Prediction Of Strength And Shear Modulus Of Compacted Clays Within An Unsaturated Critical State Framework, Corrie Walton-Macaulay

Theses and Dissertations--Civil Engineering

The objective of this research study is to determine whether the soil stiffness, from which the small-strain shear modulus is determined, can be used to predict the shearing resistance of compacted clay soil, which are invariably under conditions of partial saturation. The research program developed for this objective included three major soil testing programs of matric suction, shear modulus, and strength.

A method to estimate matric suction of field compacted clay soil was presented and it is based on the quantified effect of change in initial void ratio on the soil water characteristic behaviors. With the use of a non-nuclear ...


Deformation-Based Excavation Support System Design Method, Sekyi K. Intsiful 2015 University of Kentucky

Deformation-Based Excavation Support System Design Method, Sekyi K. Intsiful

Theses and Dissertations--Civil Engineering

Development in urban areas around the world has steadily increased in recent years. This rapid development has not been matched by the ever decreasing open space commonly associated with urban centers. Vertical construction, thus, lends itself a very useful solution to this problem. Deep excavation is often required for urban construction. Unfortunately, the ground movements associated with deep excavation can result in damage to adjacent buildings. Thus, it is critically important to accurately predict the damage potential of nearby deep excavations and designing adequate support systems.

A new design method is proposed, as an attempt, to address the problem. The ...


Determining Rockfall Volumes In Three Sites Along Habs Mountain Road In Southwestern Saudi Arabia, Using Lidar Technology, Abdullah Ayed Al-Otaibi 2015 Missouri University of Science and Technology

Determining Rockfall Volumes In Three Sites Along Habs Mountain Road In Southwestern Saudi Arabia, Using Lidar Technology, Abdullah Ayed Al-Otaibi

Masters Theses

"The rugged elevated topography is a characteristic feature of the western and southwestern regions of Saudi Arabia. Few arterial roads connect the scattered villages of these regions to major cities, such as Habs Road in Jazan region. Rock fall poses a serious hazard to people, property and animals along the rock cuts of this road. Although no traditional Rockfall studies have previously been applied to this road, accessibility and rock formation shape and structure variability influenced the choice of using Terrestrial Light Detection And Ranging (LiDAR) technology to calculate the volume of rockfall at selected sites along this road.

Software ...


Agenda For Second Meeting Of The Forum For Promotion Of Soil Dynamics In India, Shamsher Prakash 2014 Missouri University of Science and Technology

Agenda For Second Meeting Of The Forum For Promotion Of Soil Dynamics In India, Shamsher Prakash

Forum for Promotion of Soil Dynamics in India

No abstract provided.


Honor Stalwarts, Shamsher Prakash 2014 Missouri University of Science and Technology

Honor Stalwarts, Shamsher Prakash

Forum for Promotion of Soil Dynamics in India

No abstract provided.


Center Of Excellence In Geotechnical Earthquake Engineering And Soil Dynamics At Iit Roorkee, Shamsher Prakash 2014 Missouri University of Science and Technology

Center Of Excellence In Geotechnical Earthquake Engineering And Soil Dynamics At Iit Roorkee, Shamsher Prakash

Forum for Promotion of Soil Dynamics in India

No abstract provided.


Soil Dynamics Course In Curriculum, Deepankar Choudhury 2014 Academy of CSIR, New Delhi, India

Soil Dynamics Course In Curriculum, Deepankar Choudhury

Forum for Promotion of Soil Dynamics in India

No abstract provided.


6th International Conference On Recent Advances In Geotechnical Earthquake Engineering And Soil Dynamics, Indian Society of Earthquake Technology, Department of Earthquake Engineering, IIT Roorkee 2014 Missouri University of Science and Technology

6th International Conference On Recent Advances In Geotechnical Earthquake Engineering And Soil Dynamics, Indian Society Of Earthquake Technology, Department Of Earthquake Engineering, Iit Roorkee

Forum for Promotion of Soil Dynamics in India

No abstract provided.


Miniature Cone Penetration Test On Loose Sand, Sepideh Damavandinejad Monfared 2014 The University of Western Ontario

Miniature Cone Penetration Test On Loose Sand, Sepideh Damavandinejad Monfared

University of Western Ontario - Electronic Thesis and Dissertation Repository

Considering the difficulties associated with preparing loose sand samples in large calibration chambers and wide area of research on the behavior of loose sands, miniature calibration chamber experiments are used to perform cone penetration tests on soils in different states. A miniature cone calibration chamber has been designed and developed in this study. Nineteen tests have been performed on Ottawa sand and the results are compared to the available data in the literature. The accuracy of the results is validated by comparing the results with the suggested rate for the cone resistance in sands in literature. More specifically, results are ...


Effect Of Caliche On The Behavior Of Drilled Shafts, Rouzbeh Afsharhasani 2014 University of Nevada, Las Vegas

Effect Of Caliche On The Behavior Of Drilled Shafts, Rouzbeh Afsharhasani

UNLV Theses/Dissertations/Professional Papers/Capstones

The current design methodology for a drilled shaft foundation in cohesionless soil is primarily based on ultimate skin friction values of drilled shafts. In order to obtain these values for each soil type, load tests such as Osterberg test are designed and performed. The Osterberg test layout is designed to estimate the capacity of drilled shaft by applying an upward load during the test and then calculating the downward capacity assuming the upward and downward capacity are the same. This method is appropriate for soils not containing caliche layers because caliche layers bond to the shaft and prevent skin friction ...


Modeling Pavement Distress Rates Within U.S. Air Force Airfields, Lauren Sahagun 2014 University of Nevada, Las Vegas

Modeling Pavement Distress Rates Within U.S. Air Force Airfields, Lauren Sahagun

UNLV Theses/Dissertations/Professional Papers/Capstones

Through the review of Pavement Condition Index (PCI) surveys completed at Air Force installations scattered across the continental United States, pavement engineers at the Air Force Civil Engineer Center propose that the predominant factor contributing to pavement distress development is climate. They suggest that within each pavement distress type (i.e. alligator cracking, rutting, spalling, etc.) a geographic pattern exists that is strongly correlated to the conventional climate zones within the US. Knowledge of these geographic patterns would equip pavement engineers and asset managers with a powerful tool to develop purposeful maintenance strategies specific to each distress type.

The following ...


Estimating Field At-Rest Lateral Stress Coefficient And Liquefaction Resistance Of Aged Sands, MD HOSSAIN 2014 Clemson University

Estimating Field At-Rest Lateral Stress Coefficient And Liquefaction Resistance Of Aged Sands, Md Hossain

All Dissertations

Published results of laboratory tests to evaluate the influence of the at-rest lateral stress coefficient (K0) and the overconsoildation ratio (OCR) on liquefaction resistance of sands are reviewed in this dissertation. It is found that significant increase in liquefaction resistance can occur with high K0 and/or high OCR. A unique relationship between liquefaction resistance of isotropic and anisotropic normally consolidated sands exists based on the published laboratory data. Relationships between liquefaction resistance of overconsolidated sands and normally consolidated sands also have been shown in previous laboratory studies. Based on the previous studies, expressions for K0 and OCR correction factors ...


Greenhouse Gas Emission Analysis For Heated Pavement System, Weibin Shen, Kasthurirangan Gopalakrishnan, Sunghwan Kim, Halil Ceylan 2014 Iowa State University

Greenhouse Gas Emission Analysis For Heated Pavement System, Weibin Shen, Kasthurirangan Gopalakrishnan, Sunghwan Kim, Halil Ceylan

Civil, Construction and Environmental Engineering Conference Presentations and Proceedings

Anthropogenic greenhouse gas (GHG) emissions have become significant environmental indicators in analyzing the comparative environmental impacts of conventional and newly developed alternative systems or techniques. Life Cycle Assessment (LCA) is considered an accepted and systematic methodology to calculate the amount of carbon released from all the processes of a system/technique, helping users select the best environmental-friendly alternative. The use of automated heating based snow removal systems is gaining attention as an alternative strategy to traditional ice and snow removal practices such as the use of anti-icing chemicals and snowplowing vehicles. Most previous studies on heated pavement systems have focused ...


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