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Articles 31 - 60 of 503
Full-Text Articles in Civil Engineering
Impacts Of Geotechnical Aspects In Tunneling Design And Construction, Mohammad Haadi Sadaghiani
Impacts Of Geotechnical Aspects In Tunneling Design And Construction, Mohammad Haadi Sadaghiani
Civil Engineering Theses
In tunneling project, different type of methods is conducted to do the project. Knowing geotechnical aspects of tunnel project is unavoidable and crucial in early stage of project especially before contract to have efficient and more accurate design and prevent cost overruns, reduce bid price and reduce project risks. However, all that geotechnical information should be based on standard guidelines such as Geotechnical Baseline Report (GBR) to help owner how to provide those geotechnical data in bid contract and use it as a guideline in contract to prevent future claim or disputes. The main objective of this thesis is about …
Building Information Modeling (Bim) Impact On Construction Performance, David D. John
Building Information Modeling (Bim) Impact On Construction Performance, David D. John
Electronic Theses and Dissertations
This study is designed to address the need for having a measure for Construction Performance on BIM-assisted construction projects. Through this study a new Construction Key Performance Indicator (CKPI) matrix is identified and created by the author. The CKPI could be used to assess BIM-assisted projects. Utilizing a sequential mixed methodology approach, academic and practitioner perspectives are assessed. A qualitative content analysis and quantitative descriptive analysis based on demographics are conducted to establish a better understanding of BIM and Construction Performance. The academic perspective is used to assess the relevance of BIMM and CKPI indicators, and the practitioner perspective is …
Nawic Focus (December 2017), National Association Of Women In Construction - Maine Chapter Staff
Nawic Focus (December 2017), National Association Of Women In Construction - Maine Chapter Staff
Maine Women's Publications - All
No abstract provided.
Nawic Focus (November 2017), National Association Of Women In Construction - Maine Chapter Staff
Nawic Focus (November 2017), National Association Of Women In Construction - Maine Chapter Staff
Maine Women's Publications - All
No abstract provided.
Datumate, Purdue Ect Team
Datumate, Purdue Ect Team
ECT Fact Sheets
Datumate is digitally transforming civil engineering processes used in construction, surveying and infrastructure inspection markets with fully automated, highly precise, cost effective and safe tools. It utilizes state-of-the-art image processing and advanced drones and camera technologies dramatically reducing the amount of time surveying crews spend in the field, speeding up construction progress checks and shortening infrastructure inspection duration, while maintaining survey grade accuracy. The intuitive, simple and automated solutions increase productivity by saving field and office time in civil engineering and inspection projects of roads, intersections, stockpile volumes, topography, piping, industrial facilities, bridges, property surveys, building facades, railways, cellular infrastructure …
Nawic Focus (August-September 2017), National Association Of Women In Construction - Maine Chapter Staff
Nawic Focus (August-September 2017), National Association Of Women In Construction - Maine Chapter Staff
Maine Women's Publications - All
No abstract provided.
Netpoint®, Purdue Ect Team
Netpoint®, Purdue Ect Team
ECT Fact Sheets
The vast majority of construction scheduling software uses a combination of spreadsheets and Gantt charts for developing and depicting Critical Path Method (CPM) schedules. While this paradigm works for the expert scheduler, it is not conducive to collaboration, and it is prohibitively difficult for non-scheduling experts to understand.
NetPoint® provides a dynamic, visual interface conducive to touch and gestural input. Activities are drawn directly on a time-scale and may be placed on the same row or arranged automatically using codes or the WBS. Such control of the presentation makes it easier to communicate the plan to any type of audience. …
Smartvid.Io, Purdue Ect Team
Smartvid.Io, Purdue Ect Team
ECT Fact Sheets
The collection, organization, and retrieval of industrial media is a pervasive challenge that is especially glaring for companies in the AEC industry. Construction projects often generate large volumes of pictures & videos from the field for tracking progress and communicating between engineers, contractors, and subcontractors. It is not uncommon for field personnel to capture hundreds of photos per week on any given jobsite.
Smartvid.io is a cloud-based software solution designed for the specific needs of industrial media. The application’s internal deep-learning engines, collectively nicknamed VINNIE (for ‘Very Intelligent Neural Network for Insight and Evaluation’), use speech and image recognition to …
Hillman Composite Beam (Hcb®), Purdue Ect Team
Hillman Composite Beam (Hcb®), Purdue Ect Team
ECT Fact Sheets
The Hillman-Composite Beam (HCB®), is an innovative structural member for use in highway and railroad bridges as well as marine facilities. The HCB is essentially a lightweight reinforced concrete beam strengthened and protected by a corrosion-resistant and resilient Fiberglass Reinforced Polymer (FRP) shell.
The beam is comprised of three main components, a concrete arch (compression reinforcement), an FRP bottom flange encapsulating steel strands tying the ends of the arch together (tension reinforcement) and the FRP shell. Galvanized Rebar “shear connectors” are used to make the beam composite with the concrete deck in the same manner as pre-stressed concrete beams.
The …
Nawic Focus (February 2017), National Association Of Women In Construction - Maine Chapter Staff
Nawic Focus (February 2017), National Association Of Women In Construction - Maine Chapter Staff
Maine Women's Publications - All
No abstract provided.
Nawic Focus (January 2017), National Association Of Women In Construction - Maine Chapter Staff
Nawic Focus (January 2017), National Association Of Women In Construction - Maine Chapter Staff
Maine Women's Publications - All
No abstract provided.
Multimedia Techniques For Construction Education And Training, Wayne A. Bunnell
Multimedia Techniques For Construction Education And Training, Wayne A. Bunnell
Open Access Theses
The current profession of civil engineering often focuses education and training on code compliance rather than constructability and construction techniques. Also, it is well accepted that it takes a decade or more for engineers to develop a high-level project construction understanding and many state departments of transportation rely on in-field training for entry-level inspectors, with little or no education provisions for contractors. This research investigated the use of time-lapse photography to develop training and education material that will improve the understanding of project construction and crucial quality control specifications of an entry-level engineer, contractor, or inspector. Overall, the project team …
Factors Affecting Social Sustainability In Highway Projects In Missouri, Mohamed Abdel-Raheem, Charles Ramsbottom
Factors Affecting Social Sustainability In Highway Projects In Missouri, Mohamed Abdel-Raheem, Charles Ramsbottom
Civil Engineering Faculty Publications and Presentations
Sustainability focuses on the interaction between a given project and the social, environmental, and the economic dimensions of the system enclosing it. The majority of the studies conducted focused mostly on the environmental aspects of sustainability rather than the economic ones, while very few studies discussed the social dimension. Social sustainability promotes the concepts of respect, awareness, diversity, vitality, and responsibility toward the workforce and the society by keeping them healthy and safe from harm during the different phases of a project. Highway projects are one of the most critical infrastructure projects in the construction industry. This is due to …
Risk-Based Decision Making Support For Construction Corporate Resource Management, Reza Sheykhi
Risk-Based Decision Making Support For Construction Corporate Resource Management, Reza Sheykhi
FIU Electronic Theses and Dissertations
Competitive bidding typically challenges contractors to stay in business by reducing contingency and limiting profit margin, which imposes more prudent resource utilization and allocation decisions during both planning and construction phases of projects. Many of these decisions must be made considering uncertainties that affect resource production and construction performance through several factors such as weather, managerial practices, job-type, and market conditions, etc. Construction decision makers will therefore have varied approaches to deal with these uncertainties based on their risk utility or perception. This research presents the development of a model for investigating the impact of risk-based approaches on construction network …
Thermal And Fatigue Testing Of Fiber Reinforced Polymer Tie Connectors Used In Concrete Sandwich Walls , Anthony William Post
Thermal And Fatigue Testing Of Fiber Reinforced Polymer Tie Connectors Used In Concrete Sandwich Walls , Anthony William Post
Anthony Williams
The purpose of this research program was to determine the strength, strain, fatigue, temperature, and other corresponding behavioral characteristics of concrete sandwich wall panels containing the new Delta TieRTM fiber reinforced polymer (FRP) tie connector produced by Dayton/Richmond, a brand of Dayton Superior. The scope of this program included a matrix of three full-scale 40'-0'' wall panels subjected to a 100°F temperature differential, and a matrix of six elemental specimens, three with the ties oriented in the strong direction (parallel tie orientation) and three with the ties oriented in the weak direction (perpendicular tie orientation), subjected to cyclic load tests …
Mining Big Data To Create A Tool For Empirical Observation Of Continuous Safety Improvement In A Construction Company - A Progressive Case Study In The Lean Environment, Nicolas J. Michuda
Mining Big Data To Create A Tool For Empirical Observation Of Continuous Safety Improvement In A Construction Company - A Progressive Case Study In The Lean Environment, Nicolas J. Michuda
Open Access Theses
In any iterative process, without a system of measurement, controlled improvement cannot be recorded. This is especially true in the construction industry, where error occurs, often with fatal repercussions. As part of a process to facilitate the establishment of this metric, an entirely new application was created. The goal of this application is to measure the causal factors that lead to incidents, which will allow the user and administration to track the circumstances and types of incidents. This enables the company to focus on these problem areas and improve through training. By analyzing these incident trends over time, the company …
Post-Tensioned Concrete Shear Wall, Purdue Ect Team
Post-Tensioned Concrete Shear Wall, Purdue Ect Team
ECT Fact Sheets
The post-tension concrete shear wall by Tipping Mar will replace the conventional concrete shear wall in earthquake prone areas in many instances, depending on the height and scale of the building.
Ap Alternatives Modular Solar Racking, Purdue Ect Team
Ap Alternatives Modular Solar Racking, Purdue Ect Team
ECT Fact Sheets
Solar panels have been used to generate and supply electricity in various applications such as residential and commercial buildings. Therefore, a need for a quicker approach to installation as well as the need to reduce workmanship to speed up the process is needed. Solar racks are developed through the use of automated equipment to “preassemble the racking hardware, pre-install the solar modules, and drive helical anchors into the ground rapidly”. So instead of installing one panel at a time, AP Alternatives has created a new method that uses machines to make the process easier. This new automation of the installation …
Prefabricated Building, Purdue Ect Team
Prefabricated Building, Purdue Ect Team
ECT Fact Sheets
With the continuous demand for construction of new buildings, an easier, more sustainable, energy-efficient and environmentally friendly building method is necessary to save time, energy and cost. Hence, there has been an increasing need for a system such as BROAD sustainable building (BSB). A form of prefabricated building by BROAD Sustainable Building Co., LTD (BSB). It consists of flooring and ceiling, embedded shafts of ventilation, water supply & drainage, electricity and lighting. Other items include pillars, diagonal bracings, doors, windows, walls and sanitary wares, air conditioning, air quality products, lifts, building thermal insulations.
Vertical Icf Wall System, Purdue Ect Team
Vertical Icf Wall System, Purdue Ect Team
ECT Fact Sheets
Traditional ICF systems’ installation is tedious and labor intensive resulting in out of level, bowing, and snaking walls with a significant amount of bracing adding to the cost. ICF (Insulated Concrete Form) walls are a form of structural walls used for construction. Hobbs Vertical ICF system uses less concrete, more recycled material and requires less labor for construction. The furring assemblies and retainer clips of the Hobbs VICF system are made from 100% recycled post-industrial waste.
3d Printing For Bricks, Purdue Ect Team
3d Printing For Bricks, Purdue Ect Team
ECT Fact Sheets
Building Bytes, by Brian Peters, is a project that uses desktop 3D printers to print bricks for architecture. Instead of using an expensive custom-made printer, it uses a normal standard 3D printer which is available for everyone and makes it more accessible and also easier for fabrication.
Work Zone Illumination Design: Guidance Stratgies To Specify Appropriatework Zone Lighting Plan, Sherine Anani
Work Zone Illumination Design: Guidance Stratgies To Specify Appropriatework Zone Lighting Plan, Sherine Anani
Theses and Dissertations
Night construction is frequently used because it can better satisfy the primary traffic control objectives than daytime work. If night construction is used, the design of illumination plans should be analyzed and developed as part of the project development process.
There are fewer crews out working on the road in the winter, partly because of the conditions but also because the days are shorter and there’s not a lot of light by which to work.
In fact, the days can get short enough, especially as you go farther north, that even a normal day involves some “night work.” Construction work …
Nawic Focus (May 2015), National Association Of Women In Construction - Maine Chapter Staff
Nawic Focus (May 2015), National Association Of Women In Construction - Maine Chapter Staff
Maine Women's Publications - All
No abstract provided.
State Of Accelerated Bridge Construction (Abc) In The United States, Mike Ofili
State Of Accelerated Bridge Construction (Abc) In The United States, Mike Ofili
Honors College Theses
The purpose of this project is to develop a toolkit for the design and construction of bridges using prefabricated materials primarily to reduce the closure time and on-site construction time of newly constructed bridges or bridges undergoing renovation. The research focuses specifically on short span bridges in Georgia (40,60,80, and 120ft spans).
Areas of primary concern for this project were design, constructability, structural analysis, the use of concrete and steel girders, cost efficiency, and industry surveys. In this particular portion of the study, the surveys proved to be most effective when combined with information obtained existing research as well as …
Data-Driven Simulation Modeling Of Construction And Infrastructure Operations Using Process Knowledge Discovery, Reza Akhavian
Data-Driven Simulation Modeling Of Construction And Infrastructure Operations Using Process Knowledge Discovery, Reza Akhavian
Electronic Theses and Dissertations
Within the architecture, engineering, and construction (AEC) domain, simulation modeling is mainly used to facilitate decision-making by enabling the assessment of different operational plans and resource arrangements, that are otherwise difficult (if not impossible), expensive, or time consuming to be evaluated in real world settings. The accuracy of such models directly affects their reliability to serve as a basis for important decisions such as project completion time estimation and resource allocation. Compared to other industries, this is particularly important in construction and infrastructure projects due to the high resource costs and the societal impacts of these projects. Discrete event simulation …
Instrumentation To Monitor Bridge Foundation On The Crosstown Project, Brian Welch
Instrumentation To Monitor Bridge Foundation On The Crosstown Project, Brian Welch
Journal of Undergraduate Research at Minnesota State University, Mankato
The Crosstown Bridge Monitoring Project is located at the intersection of Highway 62 and Interstate I35W a few miles south and west of downtown Minneapolis. The bridge being evaluated is at a railroad overpass located midway along the Crosstown expansion. This research project involved placing instrumentation on the bridge foundation in order to measure the change in the foundation loading during the course of the construction project. For several years there have been questions pertaining to the forces in the pile foundations that support highway embankments. This project placed strain gages on the pile foundations in order to monitor these …
Guidelines For Construction Companies To Decide Between Outsourcing And Self-Performing For Prefabricated Components, Sebastian Soto Ortiz
Guidelines For Construction Companies To Decide Between Outsourcing And Self-Performing For Prefabricated Components, Sebastian Soto Ortiz
Open Access Theses
Prefabrication and modularization has been used in the construction industry for decades. It has recently made a resurgence worldwide providing increased productivity, safety, quality and construction schedule. This research has focused on the situation where a construction company has decided to use prefabrication and faces two possibilities, they either will self-perform or they will outsource the construction of the prefabricated components. The decision making process used by a construction company to determine whether to outsource or self-perform prefabricated components is examined and analyzed.
Prefabrication is an industrial process in which certain components are manufactured in a specialized facility. These items …
Comprehending Performance Of Cross-Frames In Skewed Straight Steel I-Girder Bridges, Jawad H. Gull
Comprehending Performance Of Cross-Frames In Skewed Straight Steel I-Girder Bridges, Jawad H. Gull
FIU Electronic Theses and Dissertations
The effects of support in steel bridges can present significant challenges during the construction. The tendency of girders to twist or layovers during the construction can present a particularly challenging problem regarding detailing cross-frames that provide bracing to steel girders. Methods of detailing cross-frames have been investigated in the past to identify some of the issues related to the behavior of straight and skewed steel bridges. However, the absence of a complete and simplified design approach has led to disputes between stakeholders, costly repairs and delays in the construction.
The main objective of this research is to develop a complete …
A Case Study Of Zero Energy Home Built For Solar Decathlon Competition 2013, Sanjib Mulepati
A Case Study Of Zero Energy Home Built For Solar Decathlon Competition 2013, Sanjib Mulepati
UNLV Theses, Dissertations, Professional Papers, and Capstones
Energy consumption in residential homes has been a subject of research related to sustainability. Reduction in the consumption of energy is a goal of sustainable construction. The Department of Energy (DOE) started a Solar Decathlon competition in 2002 in which the students from different universities around the globe build an energy efficient and affordable home suitable for their climate and location. The main goal of this competition is to select the best home that is designed and built in a sustainable way. In this study, the home designed and constructed for participation in the competition by the students at University …
Effects Of Hinged Dowel System On The Performance Of Concrete Pavement Joints, Alireza Zeinali, Kamyar C. Mahboub, Herbert F. Southgate
Effects Of Hinged Dowel System On The Performance Of Concrete Pavement Joints, Alireza Zeinali, Kamyar C. Mahboub, Herbert F. Southgate
Civil Engineering Faculty Publications
Concrete joint failure is a major distress mode in rigid pavements. Improving the joint performance in concrete pavements could yield substantial savings in terms of reduced maintenance and rehabilitation costs. The newly developed Hinged Dowel System (HDS) is a means for transferring loads across the concrete pavement joints. The HDS was patented as a new invention by the United States Patent and Trademark Office, and it is envisioned that it could significantly reduce the potential for joint failure in concrete pavements. The HDS assembly comprises a number of dowel bars and a collective hinge provided at the mid-length of the …