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Articles 931 - 960 of 2167

Full-Text Articles in Civil and Environmental Engineering

Bs News May/June May 2019

Bs News May/June

Building Services Engineering

No abstract provided.

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Save Our Sound Obx, Inc. V. North Carolina Department Of Transportation, Mitch L. Werbell V Apr 2019

Save Our Sound Obx, Inc. V. North Carolina Department Of Transportation, Mitch L. Werbell V

Public Land & Resources Law Review

The Fourth Circuit Court of Appeals recently ruled in favor of several governmental agencies seeking to construct a new bridge in the Pamlico Sound adjacent to North Carolina’s Outer Banks. For years, state and federal agencies have put forth a massive coordinated effort to address the constant weather damage and erosion which occurs to a section of North Carolina Highway 12. The court found the agencies properly cleared NEPA’s environmental review requirements for the bridge’s construction. Additionally, the opponent-litigants’ efforts to add claims challenging the project, based on new information about a shipwreck in the bridge’s path, were futile.

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Geo-Spatial Mapping As A Catalyst For Creative And Engaged Design In Engineering Education, Jessie Zarazaga Apr 2019

Geo-Spatial Mapping As A Catalyst For Creative And Engaged Design In Engineering Education, Jessie Zarazaga

Multidisciplinary Studies Theses and Dissertations

Exploiting the technology of geo-spatial mapping student designers can develop deep understandings of the rich and layered data of a spatial context, a situational understanding essential to responsible civic design. However the actions inherent in the construction of spatial data armatures can simultaneously be harnessed as creative strategies, in which mapping processes become the context for generative spatial play. The ambition of this study is to propose efficient pedagogic structures to help prepare civil and environmental student engineers to be not only strong participants, but leaders, in the design of the built environment. The interpretation of site data, mapped as …

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The Timber Buckling Restrained Brace Frame, Jessica Resta Apr 2019

The Timber Buckling Restrained Brace Frame, Jessica Resta

Architectural Engineering

With the increasing awareness on the topic of earthquake resistance, efficient, cost-effective, and environmentally friendly solutions in the structural field are on the rise. The purpose of this report is to investigate the Timber Buckling Restrained Brace (TBRB), a new lateral-resisting element made of steel and lumber, applicable in residential and small commercial units. In addition to the TBRBs’ materials being readily available, the braces are easy to manufacture, reducing overall costs of production and transportation. The brace, made partly of wood, has also a low environmental impact when compared to other lateral force resisting elements like concrete shearwalls or …

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The Professional Constructor, Full Issue, Volume 44, Number 01 Apr 2019

The Professional Constructor, Full Issue, Volume 44, Number 01

The Professional Constructor

No abstract provided.

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Design And Fabrication Of Automatic Single Axis Solar Tracker For Solar Panel, Ghazanfar Mehdi, Naveed Ali, Shafquat Hussain, Asad A. Zaidi, Ahmer Hussain Shah, M. Mustafa Azeem Mar 2019

Design And Fabrication Of Automatic Single Axis Solar Tracker For Solar Panel, Ghazanfar Mehdi, Naveed Ali, Shafquat Hussain, Asad A. Zaidi, Ahmer Hussain Shah, M. Mustafa Azeem

Civil, Architectural and Environmental Engineering Faculty Research & Creative Works

Sun energy is a considered to be one of most promising sources to address the world energy crises. Photovoltaic cell is one of the prominent sources of energy. The most important factors that affect the efficiency of solar cells are cell temperature, maximum power point tracking (MPPT) and energy conversion efficiency. The optimization of these factors improves solar cells efficiency for more reliable applications. This study associated by means of the designing and manufacturing process of single axis tracker device by using photo voltaic conversion panels. This solar tracker system assures the conversion optimization of electricity from the source of …

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Rough Roads Ahead!?, Sarah Reed, Brooke Thomas, Jim Hellmann Mar 2019

Rough Roads Ahead!?, Sarah Reed, Brooke Thomas, Jim Hellmann

Purdue Road School

Have you ever found yourself in the public's cross-hairs when it is time to implement a few roadway improvements? Are you handicapped in your ability to describe the true value of community planning and economic development planning? Come hear from one dynamic trio with the ability to identify issues and opportunities that others might not see and work to uncover even more ways tin which we are better together.

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Latex Modified Concrete - Very Early Strength, Bobby Steele Mar 2019

Latex Modified Concrete - Very Early Strength, Bobby Steele

Purdue Road School

INDOT came out with specifications for a very early strength concrete to use on bridge deck overlays. This concrete is fast setting, which allows overlays to be performed over a weekend and benefits the traveling public with a short duration of traffic interference. Cure time to reach the strength requirement is 3 hours. E&B Paving performed the first application with the new spec on August 26, 2018. Many changes were also made to the INDOT Specification Section 722.

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Safety Standards Must Be Met For Fire Fighting In Educational Workshops In Industrial Secondary Schools In The Arab Republic Of Egypt, Ibrahim Mahmoud Hassan, Wael Ahmed Rady, Walid Mahmoud El-Nahas Mar 2019

Safety Standards Must Be Met For Fire Fighting In Educational Workshops In Industrial Secondary Schools In The Arab Republic Of Egypt, Ibrahim Mahmoud Hassan, Wael Ahmed Rady, Walid Mahmoud El-Nahas

Emirates Journal for Engineering Research

The aim of the research is to establish safety standards for fire fighting within educational workshops in industrial secondary schools to determine the structural requirements for designing workshops in educational buildings and meet international standards. To achieve this a questionnaire was made and data collected for analysis and hypothesis testing using the statistical package of social Sciences (SPSS). Through the adoption of a number of different statistical methods and after conducting the analysis of research data and testing its hypotheses find a number of results, most importantly that the standards conform to international and local standards . The results also …

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Final Design Review: Mascoma River Greenway Extension, Sebastian Strong, Sarah Atac, Eleanor Dowd, David Ruiz, Isalys Quiñones Mar 2019

Final Design Review: Mascoma River Greenway Extension, Sebastian Strong, Sarah Atac, Eleanor Dowd, David Ruiz, Isalys Quiñones

ENGS 89/90 Reports

This report outlines current conditions surrounding the extension of the Mascoma River Greenway (MRG) to downtown West Lebanon, NH and recommends a route to completion. Included in the report are maps detailing potential route alignments and recommendations based on outside research and interviews with numerous stakeholders, Lebanon City officials, and community members. The report is intended to provide context and updated insight into the present and future of the MRG, following in the spirit of the 2010 MRG Action Plan, a document that created a vision for redevelopment of the Northern rail corridor and motivated stakeholders to move the project …

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Aei Student Design Competition: Value Engineering & Design Build, Vincenzo Paolo Guidi Mar 2019

Aei Student Design Competition: Value Engineering & Design Build, Vincenzo Paolo Guidi

Construction Management

The Architectural Engineering Institute puts on a yearly student design competition that features interdisciplinary teams from colleges across the country. The project for the competition was the Jack H. Miller Center for Musical and Performing Arts on the Hope College campus in Holland Michigan. The main challenges in the problem statement address acoustics, using mass timber, and add alternative roof top space. Through a collaborative process, our team created a proposal that addressed the challenges and why we were the best fit for the job. I worked with a fellow construction management student, Shannon Wheeler, to produce our portion of …

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Building Homes And Hopes In Bangalore, India, Sherry S. Saroufeem Mar 2019

Building Homes And Hopes In Bangalore, India, Sherry S. Saroufeem

Construction Management

Habitat for Humanity Global Village is an organization that continuously sends volunteers to work on construction projects around the world. My team and I were chosen to go to a village in Bangalore, India, where we dug and poured home foundations for three families in need. Given the opportunity to combine my love for construction and my passion for helping those in need, I was certain that this was the senior project for me. I wanted the capstone of my college educational experience to reflect a hands-on approach, where I had the opportunity to make a difference and see an …

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Bs News March/April Mar 2019

Bs News March/April

Building Services Engineering

No abstract provided.

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Study Of Various Construction Job Functions To Address Workforce Challenge, Abraham Bonilla, Dhaval Gajjar, Kenneth Sullivan Mar 2019

Study Of Various Construction Job Functions To Address Workforce Challenge, Abraham Bonilla, Dhaval Gajjar, Kenneth Sullivan

The Professional Constructor

Lack of construction workforce is one of the most predominant challenges faced by the construction industry. It is predicted that the industry will have a major shortage of skilled labor in the next decade due to the retirement of baby boomers and the lack of new talent entering the industry to replace these baby boomers. To attract young talent into the construction industry, it is critical to make them aware about the industry regarding various job functions as it relates to job satisfaction, compensation and career fulfilment. The purpose of this study is to gain insight of various construction job …

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Consumer Perception And Willingness To Pay For Extended New Home Warranties, C. Todd Usher, Joseph M. Burgett Mar 2019

Consumer Perception And Willingness To Pay For Extended New Home Warranties, C. Todd Usher, Joseph M. Burgett

The Professional Constructor

Construction standards and methods for building new homes has improved over the last two decades resulting in significant improvements in energy efficiency, comfort, indoor air quality, and durability of new homes. Despite these improvements, the most common builder warranty for a new home in the United States ranges from 6 months to two years in duration. During the past two decades, manufacturer warranties on other durable goods such as automobiles has increased significantly. This study measures consumer perceptions of extended 12 year new home warranties with a survey completed by 162 adults in the United States. The results indicate that …

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Implementing Unbiased Decision-Making In Construction: A Lean Approach, Somik Ghosh, Michelle Robinette, Howard Tapia Mar 2019

Implementing Unbiased Decision-Making In Construction: A Lean Approach, Somik Ghosh, Michelle Robinette, Howard Tapia

The Professional Constructor

Construction project-teams are frequently faced with the task of decision-making as part of their responsibility. The positive effects of the decisions made at various stages of the projects lead to improved project performances, while negative effects can hinder the performances. The project teams take up the task of decision-making surrounded by multiple criteria, which can be arduous and clouded with subjectivity. This paper presents an approach based on the Lean principle of providing more autonomy to the project-teams and supporting collaborative and decentralized process in pursuit of unbiased decision-making. This Lean way of decision-making is formalized as Choosing by Advantage …

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Attracting And Retaining Future Top Performing Employees: A Student Perspective, Julia Allen Mar 2019

Attracting And Retaining Future Top Performing Employees: A Student Perspective, Julia Allen

The Professional Constructor

This essay provides insight as to how construction companies can both attract and retain top performing employees. By making the standard interview and recruiting processes more personal, construction companies can evaluate potential hires to see is they are a good fit for the company for years to come. Once employees are hired, companies then need to provide opportunities for both personal and professional growth. From personal experiences, I share the characteristics I find most important in an ideal employer and emphasize the importance of having an in-depth, genuine conversation with potential hires.

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Attracting And Retaining Top Employees By Placing Proper Value On Their Contribution To The Company, Joseph Franklin Iii Mar 2019

Attracting And Retaining Top Employees By Placing Proper Value On Their Contribution To The Company, Joseph Franklin Iii

The Professional Constructor

Due to an optimistic economic future, construction companies want to attract and retain the best employees to ensure company success. Because of a larger job market, employees now look for the optimal work values to be met in long-term employment opportunities. Construction companies have many challenges when attracting and retaining top employees in a growing market. Therefore; it is beneficial for employers to consider the evolving work values of employees and for these values to be promoted throughout company culture. Offering employees good value for their contribution to the company attracts and retains top employees.

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Social Resources Of Mechanical Contracting Management Personnel, Blake Wentz, Sarabeth Gandara Mar 2019

Social Resources Of Mechanical Contracting Management Personnel, Blake Wentz, Sarabeth Gandara

The Professional Constructor

The construction industry in the United States is projected to grow faster than average compared to other industries through 2026. The Baby Boomer generation is leaving a significant gap in the labor force as they reach retirement. Retention of high quality management personnel is a priority for all companies in the construction industry, including mechanical contracting companies. Firms that fail to retain these employees will be left with an understaffed and underqualified workforce, which will hinder their ability to be competitive in the marketplace. In order to aid in retention efforts, mechanical contracting firms need to focus their attention on …

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Essay Winners, American Institute Of Constructors Mar 2019

Essay Winners, American Institute Of Constructors

The Professional Constructor

No abstract provided.

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Attracting And Retaining Future Top Performing Employees, Caleb Bardin Mar 2019

Attracting And Retaining Future Top Performing Employees, Caleb Bardin

The Professional Constructor

The goal of this essay is to explore the key factors that influence top-performing employees’ decisions to change companies or remain with their current employers. A few of these factors are salary and benefits, work environment, and corporate advancement. This essay will address such factors and propose solutions using my own educational and professional experience. A key theme to note is the constant evaluation of employees and workplace environment by employers. No company can hope to be successful or have the best people if this skill is not enhanced and implemented well.

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Large-Strain Strength Of Polymer-Modified Kaolinite And Fly Ash-Kaolinite Mixtures, Xin Kang, Junnan Cao, Bate Bate Feb 2019

Large-Strain Strength Of Polymer-Modified Kaolinite And Fly Ash-Kaolinite Mixtures, Xin Kang, Junnan Cao, Bate Bate

Civil, Architectural and Environmental Engineering Faculty Research & Creative Works

Polymers have gained gradual attention in soil stabilization as a sustainable alternative to inorganic counterparts such as cement. However, the effects of polymers on the strength of soils and soil-waste mixtures are still unclear. Meanwhile, waste recycling has been important in fostering a sustainable environment in recent decades. To solve the deficiency in knowledge, large-strain strength of polymer-modified kaolinite (KA) and Class-F fly ash-kaolinite mixtures (FAKAs) was investigated with isotropically consolidated undrained triaxial compression tests. Both synthetic polymer (polyethylene oxide, PEO) and naturally occurring biopolymers (chitosan and xanthan gum) were used. An interface model was also proposed to account for …

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The Bridge Newsletter Spring 2019, Missouri University Of Science And Technology Feb 2019

The Bridge Newsletter Spring 2019, Missouri University Of Science And Technology

The Bridge Newsletter

-Building better aerogels
-Bridge repair needs
-Incoming ASCE President speaks

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Near-Field Mean Flow Dynamics Of A Cylindrical Canopy Patch Suspended In Deep Water, Jian Zhou, Subhas K. Venayagamoorthy Jan 2019

Near-Field Mean Flow Dynamics Of A Cylindrical Canopy Patch Suspended In Deep Water, Jian Zhou, Subhas K. Venayagamoorthy

Civil, Architectural and Environmental Engineering Faculty Research & Creative Works

The time-averaged flow dynamics of a suspended cylindrical canopy patch with a bulk diameter of D is investigated using large-eddy simulations (LES). The patch consists of Nc constituent solid circular cylinders of height h and diameter d, mimicking patchy vegetation suspended in deep water (H/h ≫ 1, where H is the total flow depth). After validation against published data, LES of a uniform incident flow impinging on the canopy patch was conducted to study the effects of canopy density (0.16 ≤ φ = Nc(d/D)2 ≤ 1, by varying Nc) and bulk aspect ratio (0.25 ≤ AR = h/D ≤ …

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Controlled Release Chemical Oxidation: Sodium Persulfate Encapsulated In Pvac Polymer, Mosarrat Samiha Kabir Jan 2019

Controlled Release Chemical Oxidation: Sodium Persulfate Encapsulated In Pvac Polymer, Mosarrat Samiha Kabir

Theses

In this study, sodium persulfate was encapsulated in polyvinyl acetate (PVAc) polymer to investigate the potential of activated persulfate to remediate total coliform and E. coli bacteria from contaminated water through a control release system. Controlled release structures were produced with the polymer and persulfate melted to form pellets at two different baking times. CRP structures containing 60 weight % sodium persulfates blended with 40 weight % polyvinyl acetate (PS- PVAc) were baked for 4 minutes and 10 minutes at 120ºC. The kinetics release of sodium persulfate was studied in a water system and in sand columns. Experimental results showed …

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2019 Scholarly Productivity Report, Missouri University Of Science And Technology Jan 2019

2019 Scholarly Productivity Report, Missouri University Of Science And Technology

Civil, Architectural and Environmental Engineering Scholarly Productivity Reports

No abstract provided.

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Ua66/9/1 Ogden College Of Science & Engineering Engineering Administration, Wku Archives Jan 2019

Ua66/9/1 Ogden College Of Science & Engineering Engineering Administration, Wku Archives

WKU Archives Collection Inventories

No abstract provided.

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Reply To “Discussion Of ‘On The Soil Water Characteristic Curves Of Poorly Graded Granular Materials In Aqueous Polymer Solutions’ By Junnan Cao, Jongwon Jung, Xiaoyu Song And Bate Bate, Acta Geotechnica, 2018, 13(1):103–116” By Peng Liu And Xiaoming Liu, Zejian Chen, Junnan Cao, Bate Bate, Xiaoyu Song Jan 2019

Reply To “Discussion Of ‘On The Soil Water Characteristic Curves Of Poorly Graded Granular Materials In Aqueous Polymer Solutions’ By Junnan Cao, Jongwon Jung, Xiaoyu Song And Bate Bate, Acta Geotechnica, 2018, 13(1):103–116” By Peng Liu And Xiaoming Liu, Zejian Chen, Junnan Cao, Bate Bate, Xiaoyu Song

Civil, Architectural and Environmental Engineering Faculty Research & Creative Works

No abstract provided.

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Atomistic Simulations Of Nanoindentation Response Of Irradiation Defects In Iron, M. Mustafa Azeem, Qingyu Wang, Muhammad Zubair Jan 2019

Atomistic Simulations Of Nanoindentation Response Of Irradiation Defects In Iron, M. Mustafa Azeem, Qingyu Wang, Muhammad Zubair

Civil, Architectural and Environmental Engineering Faculty Research & Creative Works

Radiation response of a material is a consequence of defects' evolution in any radiation damage event. The radiation-induced defects can significantly alter the mechanical properties of a material. Radiation damage initiates from incident neutron by bombardment on solid material causing production and evolution of Frenkel defects. Since voids are formed due to aggregation of a large number of vacancies that cause dimensional changes and hence irradiation-induced swelling. In order to characterize the effect of irradiation defects, we have performed molecular dynamics (MD) simulations to investigate nanoindentation response of point defects and voids in Fe and their effects on mechanical parameters. …

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What Is A Bim Design Model?, James Peters, Malachy Mathews Jan 2019

What Is A Bim Design Model?, James Peters, Malachy Mathews

Conference papers

The recent report into Building Information Management or BIM, by construction law experts May Winfield and Sarah Rock entitled “Winfield Rock Report” [1] gives reason to state that the UK architectural, engineering and construction industry or AEC, is hindered by the absence of a clear definition of Level 2 BIM. The ISO 19650-2 standard published in 2019, is based upon PAS1192-2:2013. The intent of ISO 19650-2 is to provide a road map to facilitate the standardisation of BIM process in a uniformed fashion. A key pillar of ISO 19650 is the “information cycle” and central to this is a federated …

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