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2020

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Articles 241 - 270 of 341

Full-Text Articles in Construction Engineering and Management

Seismic Evaluation And Optimization Of Reinforced Concrete Multistory Building, Ahmed Abdallah Apr 2020

Seismic Evaluation And Optimization Of Reinforced Concrete Multistory Building, Ahmed Abdallah

Morehead State Theses and Dissertations

A thesis presented to the faculty of the Elmer R. Smith College of Business and Technology at Morehead State University in partial fulfillment of the requirements for the Degree Master of Science by Ahmed Abdallah in April of 2020.


The Viability And Simplicity Of 3d-Printed Construction: A Military Case Study, Jeneé A. Jagoda, Brandy Diggs-Mcgee, Megan Kreiger, Steven J. Schuldt Apr 2020

The Viability And Simplicity Of 3d-Printed Construction: A Military Case Study, Jeneé A. Jagoda, Brandy Diggs-Mcgee, Megan Kreiger, Steven J. Schuldt

Faculty Publications

In November 2019, U.S. Marines, Air Force, and Army Corps of Engineers personnel demonstrated the viability and simplicity of three-dimensionally (3D)-printed construction in a controlled environment at the U.S. Army Engineer Research and Development Center—Construction Engineering Research Laboratory in Champaign, Illinois. The tri-service exercise spanned three days and culminated in the construction of three 1 m × 1 m × 1 m (3 ft × 3 ft × 3 ft) concrete dragon’s teeth (square pyramid military fortifications used to defend against tanks and armored vehicles) and several custom-designed objects. The structural components were printed using a custom-built, gantry-style printer called …


Heavy Civil Estimating Module For Cm 314, Everett A. Roberts Apr 2020

Heavy Civil Estimating Module For Cm 314, Everett A. Roberts

Construction Management

In the past, through engagement with students that have gone through the Heavy Civil class, it has been found that student understanding of typical heavy civil operations is subpar. Through an updated course module that focuses on estimating the four major operations, Earthwork, Underground, Asphalt, and Concrete, students will gain a deeper understanding of the heavy civil field of construction. The module consists of four assignments that pertain to the previously mentioned operations. Each contain a lecture detailing typical crew compositions and cycle times, reference material and resources the student can use when completing the assignments. This new module will …


Analysis Of Military Construction Cost Growth In Usaf Major Defense Acquisition Programs, Emily E. Angell, Edward D. White, Jonathan D. Ritschel, Alfred E. Thal Jr. Apr 2020

Analysis Of Military Construction Cost Growth In Usaf Major Defense Acquisition Programs, Emily E. Angell, Edward D. White, Jonathan D. Ritschel, Alfred E. Thal Jr.

Faculty Publications

This study uses descriptive and inferential statistics to identify cost growth Analysis of Military Construction of military construction (MILCON) at the programmatic level, while bridging the gap between Selected Acquisition Report (SAR) estimates and actual project costs. Findings of this study aid the cost community with appropriate allocation of resources in developing these estimates. Overall, Major Defense Acquisition Programs (MDAP) appear to experience more negative growth (cost savings) in MILCON estimates on reviewed SARs— typically less than 0.2% of the total program cost. SAR estimates became more accurate from the first to last SAR in comparison to the total MILCON …


Design And Construction Of Drilled Shafts For Landslides, Malek Smadi Mar 2020

Design And Construction Of Drilled Shafts For Landslides, Malek Smadi

Purdue Road School

In general, weathered shale underlain by shale interbedded with limestone is the main forma-tion that underlies many of the slopes adjacent to the Ohio River in southern Indiana. During wet periods the weathered shale exhibits a sig-nificant decrease in strength, which has led to a number of landslides. In this session several case histories will be presented where drilled shafts have been used to repair and improve the safety of homes and roadways.


Plant Growth Layer: Recurring Special Provision 629-R-630, Kurt Pelz, Shawn Slaymon Mar 2020

Plant Growth Layer: Recurring Special Provision 629-R-630, Kurt Pelz, Shawn Slaymon

Purdue Road School

This presentation encapsulates everything from what plant growth layer is and how it was developed to when it should be added to projects, its proper verification, and estimating PGL quantities. This presentation will also include project-specific examples of the limitations and expectations of PGL during the design and construction phase.


The Future State Of Mobility, Jerome Quandt Mar 2020

The Future State Of Mobility, Jerome Quandt

Purdue Road School

Formed in 2018, the Illinois Autonomous Vehicles Association (ILAVA) is a privately funded non-for-profit organization focused on establishing thought leadership in the state of Illinois, by identifying and addressing the current and emerging opportunities related to the inevitable growth of CAV technologies throughout the transportation network. Through the deployment of scalable and sustainable business solutions, facilitating industry education and establishing thought leadership, ILAVA is creating an ecosystem that defines Illinois as #TheFutureStateofMobility.


Waterproofing Membrane For Concrete Boxes And Culverts, Keith Alan Lytton P.E., Jeremy Hunter P.E. Mar 2020

Waterproofing Membrane For Concrete Boxes And Culverts, Keith Alan Lytton P.E., Jeremy Hunter P.E.

Purdue Road School

In 2019 a new INDOT Specification went into effect for waterproofing on concrete pipes and three- and four-sided boxes. The new specification decreased the leakage at these structures joints from 95% to less than 5%. This presentation will provide the background on why the change was needed and the solution, complete with construction examples and results.


Dnr Permitting From A Consultant’S Perspective: Construction In A Floodway, Paul Brayton, Nicole Reed Mar 2020

Dnr Permitting From A Consultant’S Perspective: Construction In A Floodway, Paul Brayton, Nicole Reed

Purdue Road School

When working near a river or stream, it is likely that a Construction in a Floodway (CIF) permit will be required. Consultants submitting permits to regulatory agencies can encounter costly delays trying to get them approved. This presentation will focus on the best practices to help streamline the permitting process by walking through the permitting process from a consultant’s perspective, including what projects need a CIF permit, and when to submit.


Strategies And How-Tos On Interstate Closures For Mot, Jim Poturalski, Eryn Fletcher Mar 2020

Strategies And How-Tos On Interstate Closures For Mot, Jim Poturalski, Eryn Fletcher

Purdue Road School

Full interstate closures have proven to be an effective method for balancing congestion and safety when maintaining interstate infrastructure. This presentation will describe successful practices, federal requirements, and the process to follow when closing an interstate for maintenance.


Unique Utility Coordination, Bill Read, Thomas Randall, Corey Baugh Mar 2020

Unique Utility Coordination, Bill Read, Thomas Randall, Corey Baugh

Purdue Road School

This session presents constructibility problems associated with raising a bridge about 9 feet under a 765 KV line. The solution for how to work under the line while complying with OSHA requirements, utility company coordination requirements, and the overall construction schedule was difficult: shut down the power line for construction, which had to be coordinated within a narrow window and also funded. Join us for a discussion.


Six Pillars Of Utility Engineering, Cesar Quiroga, Natalie Parks Mar 2020

Six Pillars Of Utility Engineering, Cesar Quiroga, Natalie Parks

Purdue Road School

The Utility Engineering and Surveying Institute (UESI), the newest Institute within the American Society of Civil Engineers, has adopted and strongly promotes the six pillars of utility engineering. This presentation will discuss how each pillar is critical to successful project delivery and how the six pillars can be incorporated into our projects.


City Of Elkhart - Ada Data Collection And Transition Plan Implementation, Jeffrey Schaffer, Rachel Page Mar 2020

City Of Elkhart - Ada Data Collection And Transition Plan Implementation, Jeffrey Schaffer, Rachel Page

Purdue Road School

Over a 5-year period, the City of Elkhart col-lected detailed data on nearly 4,000 curb ramps. The City is now using that data to plan and fund ADA improvements within the public right-of-way. This presentation will discuss how to look at an overwhelming task such as ADA compli-ance in the right-of-way and develop a plan to manage it.


A Novel Self-Healing System: Towards A Sustainable Porous Asphalt, Shi Xu, Xueyan Liu, Amir Tabakovic, Erik Schlangen Mar 2020

A Novel Self-Healing System: Towards A Sustainable Porous Asphalt, Shi Xu, Xueyan Liu, Amir Tabakovic, Erik Schlangen

Articles

Self-healing asphalt, aimed to produce a sustainable asphalt pavement using green technology, has been studied in the past two decades. Technologies including encapsulated rejuvenator and induction heating have been proposed, demonstrated in the laboratory, and gradually evaluated in field application. This paper looks into the synergy effect of the above two technologies, where induction heating serves as the asphalt damage repair mechanism, requiring just 2 min heating time and encapsulated rejuvenator will replenish (rejuvenate) aged asphalt binder and reinstate bitumen’s healing ability. Moreover, the increased temperature from induction heating could in turn accelerate the diffusion process of rejuvenator into aged …


Identifying And Positively Addressing Real And Perceived Barriers To Inclusion In Construction, Lisa Breitenfield Mar 2020

Identifying And Positively Addressing Real And Perceived Barriers To Inclusion In Construction, Lisa Breitenfield

The Professional Constructor

The construction industry is facing difficulties in recruiting and training new skilled workers. My essay will identify some methods companies and the AGC can use to attract new employees. Some potential solutions involve encouraging schools to expose students to the construction industry, recognizing and assisting working parents with childcare issues, companies offering employees personalized career advancement schedules, and recruiting students focused on the arts and history for detail oriented roles in the industry. The Associated General Contractors can help by advising individual companies on attracting employees and facilitate greater mentorship programs between companies and educational institutions.


Current State Of The Employee Assessment Process In The Construction Industry For Southeast United States, Dhaval Gajjar, Shima Clarke, Cayla Anderson Mar 2020

Current State Of The Employee Assessment Process In The Construction Industry For Southeast United States, Dhaval Gajjar, Shima Clarke, Cayla Anderson

The Professional Constructor

The employee assessment process (EAP) is a formal evaluation system used by an employer to evaluate employee’s performance and behavior within a company. The objective of this paper is to determine the current state of the most common used practices for EAP in the construction industry; specifically in Southeast United States. Existing literature was reviewed to understand the historical context and the current documentation of existing EAP processes in other industries and within the construction industry. Literature revealed that there is no formal standardized process documented for EAP practice within the United States construction industry. Based on the literature findings …


State Department Of Transportation Suas Program Development And Operational Deployment, Dennis Bausman, Joseph Burgett, Ajay Jadhav, Scott Shaffer, Eric Stuckey Mar 2020

State Department Of Transportation Suas Program Development And Operational Deployment, Dennis Bausman, Joseph Burgett, Ajay Jadhav, Scott Shaffer, Eric Stuckey

The Professional Constructor

Over the past several years small unmanned aircraft systems (sUAS) have gained popularity in the private sector. Recent studies have shown an increasing interest from state DOTs in the U.S. for the use of drone technology. However, most of the studies did not fully investigate the depth of program integration or application. This study combines the findings of recent studies to identify state DOTs with the most extensive sUAS operational experience. The drone champions for the six states identified, were interviewed to gain substantive insight regarding program initiation and organization, the spectrum of agency use, perceived benefits, and the DOT’s …


Increasing Diversity And Inclusion Through Mentoring Underrepresented Groups, Corban Williams Mar 2020

Increasing Diversity And Inclusion Through Mentoring Underrepresented Groups, Corban Williams

The Professional Constructor

The Construction Industry historically has struggled to gain traction with underrepresented groups, such as women, African-Americans, and the Hispanic/ Latinx community. To combat this, industry-wide action is necessary to increase diversity and inclusion. Underrepresented communities have misconceptions about the construction industry including a lack of knowledge about the wide range of possible careers. By the AGC establishing a mentoring program with career goals and psychological attributes for grades 6-12 and college students, a positive dialog about the industry would be established. Visibility and promotion of the program would encourage students of underrepresented communities to consider a career in the construction …


Perspectives On Diversity And Inclusion In Construction, Anna A. Pasha Mar 2020

Perspectives On Diversity And Inclusion In Construction, Anna A. Pasha

The Professional Constructor

The construction industry is rapidly growing and contractors are optimistic about the immediate and long-term growth of the industry. As demand increases, the construction industry faces a projected labor shortage crisis. As the construction industry grows, it must rise to meet the challenge of solving this labor shortage by diversifying and widening its labor pool and strategically attracting new talent. This essay offers a detailed solution that includes a redefinition of approaches to diversity, ideas for short-term policies and creative long-term policies, and a lasting vision for the industry that will guide us to continue growing progressively and avoiding crises …


Examining The Pre-Construction Professional: Career Evolution, Responsibilities And Skilles, Aaron D. Sauer, Hariharan Naganathan, Kevin M. Hubbard Mar 2020

Examining The Pre-Construction Professional: Career Evolution, Responsibilities And Skilles, Aaron D. Sauer, Hariharan Naganathan, Kevin M. Hubbard

The Professional Constructor

The construction industry is constantly evolving to meet the needs of clients in light of significant technological and regulatory change. The Pre-Construction Professional is one example of a new career path that has emerged in response to changing market conditions. This study investigated the Pre-Construction Professional in an effort to define when the career path emerged and why it was needed. The researchers also sought to describe the role of the Pre-Construction Professional and document their requisite knowledge and skills. The research design was based on extensive interviews with working Pre-Construction Professionals and supported by available literature. The findings of …


Assessing The Equity Gap In Construction Education, Jared M. Burgoon, John Killingsworth, Jonathan W. Elliott, Molly M. Weisshaar Mar 2020

Assessing The Equity Gap In Construction Education, Jared M. Burgoon, John Killingsworth, Jonathan W. Elliott, Molly M. Weisshaar

The Professional Constructor

There is a documented demand for an educated construction management workforce. To help meet this demand, construction education programs at numerous post-secondary institutions have established objectives and goals to recruit, train, and graduate high-quality students; and, many of these programs are charged with providing educational opportunities to students who have been traditionally underserved in higher education (e.g., female, minority, first generation students, etc.). This study compared the enrollment and retention rates, interdepartmental migration patterns, and student satisfaction and graduation success outcomes of undergraduate students enrolled in a CM program at a public university as a means of identifying trends and …


Finding Patterns In Subsurface Using Bayesian Machine Learning Approach, Wang Hui Mar 2020

Finding Patterns In Subsurface Using Bayesian Machine Learning Approach, Wang Hui

Civil and Environmental Engineering and Engineering Mechanics Faculty Publications

Stochastic simulation approaches and uncertainty quantification are usually adopted for gaining insight into variability in soil stratigraphy configurations. Previous investigations at geotechnical site characterization and interpretation can be broadly categorized into geostatistics- and process-based methods. On the other hand, modern site exploration techniques provide high-quality, dense datasets in physical spaces with high resolution, either directly from sensors (for example, cone penetration testing data) or indirectly from geophysical inversion (such as seismic inversion, electromagnetic induction inversion, and ground penetrating radar). In this work, anisotropy and heterogeneity are considered as possible patterns that inherently exist in the observations, and these are inferred …


Bs News March/April Mar 2020

Bs News March/April

Building Services Engineering

No abstract provided.


A Life-Cycle Analysis Of The Thermal Energy Transfer In Prototypical Air Force Office Building Construction Using Best Value Insulation Standards, Michael E. Canfield Mar 2020

A Life-Cycle Analysis Of The Thermal Energy Transfer In Prototypical Air Force Office Building Construction Using Best Value Insulation Standards, Michael E. Canfield

Theses and Dissertations

The United States Department of Defense (DoD) possesses over 560,000 buildings and structures around the world which require electricity to maintain and operate. The energy costs associated with the operations of these building is approximately $4 billion per year. Sustainable infrastructure management is a crucial opportunity to improve and establish a prudent, manageable, and successful DoD budget. This research identified, modeled, and simulated thermal energy-efficient standards in building construction in order to recognize the best value standards as opportunities for potential cost savings. EnergyPlus and OpenStudio Building Performance Simulation (BPS) software was used to model the energy flow into and …


An Analysis Of The Viability Of 3d-Printed Construction As An Alternative To Conventional Construction Methods In The Expeditionary Environment, Jeneé A. Jagoda Mar 2020

An Analysis Of The Viability Of 3d-Printed Construction As An Alternative To Conventional Construction Methods In The Expeditionary Environment, Jeneé A. Jagoda

Theses and Dissertations

Conventional construction is believed by some to have reached its technological limit of performance, making it increasingly difficult for conventional construction methods to meet the U.S. military’s core standards of quality, cost, and timeliness in the expeditionary environment. While still in its infancy, 3D-printed construction has the potential to revolutionize the way the military performs construction in deployed environments. This research conducts a systematic review of the viability of 3D-printed construction to investigate whether or not it is now or could be a viable replacement for conventional construction methods, specifically in remote environments where conventional construction capability may be limited. …


Analysis Of Construction Management At Risk Projects For Unites States Air Force Applicability, Danielle K. Tabb Mar 2020

Analysis Of Construction Management At Risk Projects For Unites States Air Force Applicability, Danielle K. Tabb

Theses and Dissertations

Construction management at risk is a project delivery method that sees widespread use in the private and public non-federal construction sectors. There is interest in the federal government of using a project delivery method such as construction management at risk. However, guiding regulations prohibit the federal government from using it as it is utilized in the private sector. This research analyzes private sector use of construction management at risk through a literature review and Delphi Panel, in order to determine its effects on project performance. The Delphi Panel consisted of two rounds of questions; the experts were selected through a …


Predicting The Prevalence Of Autonomous Heavy Equipment In The Construction Industry, Mitchell T. Bongi Mar 2020

Predicting The Prevalence Of Autonomous Heavy Equipment In The Construction Industry, Mitchell T. Bongi

Construction Management

Autonomy is a topic that is gaining speed throughout the world as labor shortages rise, wages increase the desire for greater safety in dangerous fields accelerates. One industry that has had a slower start but looks to join the autonomous bandwagon is construction. Different experts in different fields from engineers to construction managers give different timelines as to when this autonomous technology will be normally present in certain construction industries, however an accurate timeline has yet to be determined. The objective of this paper is to provide a more accurate timeline as to when autonomous heavy equipment will be prevalent …


Development Of A Quality Control Method And Guidelines For Hot Mix Asphalt Using Recycled Concrete Aggregate, Xiaojun Li, Dingxin Cheng, Kun Zhang, Kanwar M. S. Jakhar, Uday V. Pericherla Mar 2020

Development Of A Quality Control Method And Guidelines For Hot Mix Asphalt Using Recycled Concrete Aggregate, Xiaojun Li, Dingxin Cheng, Kun Zhang, Kanwar M. S. Jakhar, Uday V. Pericherla

Mineta Transportation Institute

Each year, about 122 million tons of aggregates, a major structural component of pavement, are used in asphaltic mixtures in pavement construction. At the same time, aging U.S. infrastructure produces around 200 million tons of demolition waste each year, half of which is concrete debris. Therefore, introducing recycled concrete aggregate (RCA) as hot mix asphalt (HMA) aggregate could not only relieve the disposal pressure but also result in considerable reductions in cost, energy usage, and greenhouse gas emissions in the paving industry. A limited number of studies regarding the use of RCA to substitute virgin aggregate in HMA (RCA-HMA) exist. …


Integration Of Plangrid Into Cal Poly's Construction Management Curriculum: Learn By Doing, Dane M. Clemensen Mar 2020

Integration Of Plangrid Into Cal Poly's Construction Management Curriculum: Learn By Doing, Dane M. Clemensen

Construction Management

PlanGrid is a mobile construction management, document control software that gives builders real-time access to blueprints, punch lists, daily reports, submittals, RFIs and more. It is used throughout the industry by many different construction companies. The purpose of this project is to give Cal Poly construction management students early exposure to PlanGrid in an introduction lab in the jobsite construction class, CM 413. Before the lab was taught, a brief survey was sent out to construction companies asking their thoughts on how much exposure CM students should receive in PlanGrid. After receiving the survey results, the PlanGrid introduction lab was …


Integration Of Bim Management Into Custom Residential Construction, Cruz Calderhead Mar 2020

Integration Of Bim Management Into Custom Residential Construction, Cruz Calderhead

Construction Management

The custom residential sector of construction currently lacks the usage of BIM management tools. This paper looks to research the current usage, advantages, and disadvantages of using BIM management software’s within custom residential construction. There will be a comparative case study held between two custom residential contractors, one with minor BIM usage and one who has fully integrated BIM software into their management procedure. The goal is to find out if BIM management is cost-effective and scalable to the custom residential industry. This information will be beneficial to the custom residential industry because it will provide custom residential general contractors …