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Articles 121 - 133 of 133

Full-Text Articles in Construction Engineering

Accident Patterns In Road Construction Work Zones, Tariq Shehab, Leah Phu Sep 2015

Accident Patterns In Road Construction Work Zones, Tariq Shehab, Leah Phu

The Professional Constructor

Traffic safety in road construction zones has always been a major concern for engineering practitioners, departments of transportation, law enforcement professionals, researchers and many others. Due to the deteriorated condition of road and underground infrastructure facilities in the United States, the number of rehabilitation projects and their associated traffic accidents have increased over the past few years. To perform the needed road and underground utility rehabilitation activities in safer environments, researchers need to understand the causes behind these accidents. Although many researchers have been exploring the safety of many construction activities, research pertaining to road construction projects is lacking and …


Reviewer Thank You, Jason Lucas Sep 2015

Reviewer Thank You, Jason Lucas

The Professional Constructor

No abstract provided.


A Framework For Small-Scale Construction Projects By Ngos In Developing Countries, James D. Goedert, Bradley Cory Sep 2015

A Framework For Small-Scale Construction Projects By Ngos In Developing Countries, James D. Goedert, Bradley Cory

The Professional Constructor

This paper outlines a theoretical framework for NGOs who are building small-scale construction projects in developing countries. The framework is a step-by-step procedure to guide NGOs from developing project parameters at the start of the project with the partner to a locally controlled sustainable project closeout. The authors used the integrative project delivery approach along with past construction research models and personal experience to guide the development of the framework. Steps within the framework are illustrated using five projects from three countries. This work assumes that the ultimate objective of the project is local operational sustainability with the NGO’s presence …


Building And Growing With Mobile Technology, Chris Lierheimer Mar 2015

Building And Growing With Mobile Technology, Chris Lierheimer

The Professional Constructor

Today’s construction managers have an arsenal of mobile technologies at their disposal, all of which make managing projects vastly more organized and efficient than ever before. In this paper, I will explore in detail three different mobile technologies that the modern contractor has at his or her disposal, their benefits, potential pitfalls that they may present, and my thoughts on the future of these tools. I will share personal experience with, and research based on topics ranging from building information modeling, to RFID chip tracking of resources, to cloud based programs that streamline information flow.


Using Mobile Technology For Managing Construction Projects, Paul Shaw Mar 2015

Using Mobile Technology For Managing Construction Projects, Paul Shaw

The Professional Constructor

This essay examines the use and application of emerging mobile technologies in the construction industry. Mobile phones and tablets are discussed in-depth, and can be used to replace office tools, to collaborate, and to bring building information modeling (BIM) technology out into the field. Next, wearable computing technology is discussed, including Google Glass and smart hard hats. This technology provides another avenue for construction information access in the field. Finally, unmanned aerial vehicles are discussed, along with their challenges and potential benefits. Increased technology use will absolutely improve efficiency and profitability in the construction industry.


Solar Orientation For Low-Energy Residential Building In Pagosa Springs, Colorado, Torry D. Hessman, Caroline M. Clevenger, Maryellen C. Nobe, Katharin Leigh Mar 2015

Solar Orientation For Low-Energy Residential Building In Pagosa Springs, Colorado, Torry D. Hessman, Caroline M. Clevenger, Maryellen C. Nobe, Katharin Leigh

The Professional Constructor

This research compares the energy performance of 43 homes. Seven homes, constructed by a single builder using passive design principles, are the focus of the study. The remaining 36 homes, more conventionally built, establish a baseline for local residential energy performance. All of the homes are located within a six square-mile geographical region in Pagosa Springs, Colorado. Researchers collected utility data over a two year period, from September 2009 to August 2011. While other factors impact performance, for this study the dependent variable was energy consumption in British Thermal Units (BTUs) per square foot per season. The independent variable was …


Adoption Of Green Building Guidelines In Usa, India, And China, Matt Syal, Yunhui Yang, Gayatri Kumar, Jawanda Jackson Mar 2015

Adoption Of Green Building Guidelines In Usa, India, And China, Matt Syal, Yunhui Yang, Gayatri Kumar, Jawanda Jackson

The Professional Constructor

Green Building Guidelines (GBGs) have played a major role in the global efforts to develop environmentally responsible buildings and infrastructure. These guidelines serve as ratings tools to evaluate sustainable practices used in buildings’ design, construction, and operations. Although, the acceptance of these guidelines has begun to increase globally, only a few countries have seen their widespread adoption. The acceptance of GBGs is dependent upon various factors specific to the country and society in which they exist. USA, India, and China were selected to be the focus of this study since each of these countries present a unique set of societal …


Characterizing Equipment Cost, Fuel Use, And Emissions For Earthwork Activities, Phil Lewis, Yongwei Shan, Apif Hajji, Elizabeth Hazzard Mar 2015

Characterizing Equipment Cost, Fuel Use, And Emissions For Earthwork Activities, Phil Lewis, Yongwei Shan, Apif Hajji, Elizabeth Hazzard

The Professional Constructor

The objective of this paper is to examine the relationships between construction equipment costs, fuel use, and air pollutant emissions to make more informed decisions in construction planning and achieve more sustainable construction activity. This paper presents an estimating approach that combines both construction and environmental data to assess the relationships between equipment costs, fuel use, and emissions. To characterize these relationships, a case study is presented for a dozer performing a bulk excavation activity. Sensitivity analyses based on soil type, dozing distance, and engine horsepower rating are presented. Results indicate that there is little difference in the equipment total …


General Interest Articles, American Institute Of Constructors Mar 2015

General Interest Articles, American Institute Of Constructors

The Professional Constructor

No abstract provided.


Assessing The Economic, Energy, And Environmental Impacts Of A Bridge Replacement Project, Elizabeth Hazzard, Phil Lewis Mar 2015

Assessing The Economic, Energy, And Environmental Impacts Of A Bridge Replacement Project, Elizabeth Hazzard, Phil Lewis

The Professional Constructor

As the nation moves toward more sustainable energy and environmental standards, it is important to examine all sources of fuel consumption and pollution, including heavy-duty diesel (HDD) construction equipment. In order to quantify these sources at the project level, they must be identified with their respective activities. A case study was performed on an Oklahoma Department of Transportation (ODOT) bridge replacement project in order to establish a baseline estimate of real-world equipment activity, fuel use, and emissions data. These data were collected on a daily basis via jobsite visits and included specific information such as the equipment’s model year, engine …


In Memory Of Fran Dugan, American Institute Of Constructors Mar 2015

In Memory Of Fran Dugan, American Institute Of Constructors

The Professional Constructor

No abstract provided.


Analysis Of Green Building Initiatives On U.S. University Campuse, Dennis C. Bausman, Ben Mueller Mar 2015

Analysis Of Green Building Initiatives On U.S. University Campuse, Dennis C. Bausman, Ben Mueller

The Professional Constructor

As population expands and resource consumption grows, interest in sustainable practices continues to intensify. Universities and colleges in the U.S. have been leading the trend toward building certification and green initiatives to reduce energy consumption, lower water consumption, and recycle solid waste. This study investigates the extent to which green practices are implemented on new construction and the renovation of existing building stock on university campuses across the United States. The study also examines the financial analysis techniques institutions use to assess and prioritize green initiatives on new and existing facilities. The population selected for this study was two hundred …


Full Issue, Volume 39, Number 1 Mar 2015

Full Issue, Volume 39, Number 1

The Professional Constructor

No abstract provided.