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Articles 1 - 11 of 11
Full-Text Articles in Construction Engineering
Skilled Labor Challenges And Automation In The Construction Industry, Olugbenro Ogunrinde, Rapheal Ojelabi, Opeyemi Oyeyipo
Skilled Labor Challenges And Automation In The Construction Industry, Olugbenro Ogunrinde, Rapheal Ojelabi, Opeyemi Oyeyipo
Mountain Plains Business Conference
The construction industry remains one of the most labor-intensive industries worldwide, creating an average gross domestic product (GDP) of 8% for the global economy and helping reduce unemployment. However, the last few years have brought a plague of skilled labor shortage and retirement, the most recent pandemic also playing a part in hastening retirement due to the present age cohort (baby boomers). Therefore, the need to begin to source viable alternatives to mitigate these issues that could be catastrophic is critical. One possible option is automation, but the industry remains lethargic toward innovation adoption and its use. Past and present …
Corrosion Performance Of Embedded Steel Bar In Cl--Contaminated Limestone Calcined Clay Cement (Lc3) At Initial Stage Of Hydration, Weiwen Li, Zuhua Xu, Yaocheng Wang, Xin Wang, Feng Xing
Corrosion Performance Of Embedded Steel Bar In Cl--Contaminated Limestone Calcined Clay Cement (Lc3) At Initial Stage Of Hydration, Weiwen Li, Zuhua Xu, Yaocheng Wang, Xin Wang, Feng Xing
International Conference on Durability of Concrete Structures
Limestone Calcined Clay Cement (LC3) presents brilliant properties in binding Cl- so that the embedded steel bars are probably protected in Cl--contaminated condition, which meets the need of sea sand application. However, the corrosion performance of steel bars embedded in LC3 paste with Cl‑ is unclear, especially in early age hydration. Thus, a series of experiments were carried out to evaluate the corrosion performance of steel bars on initial and hardened stages of hydration, including concentration of OH- and Cl- in real pore solution, open circuit potential (OCP) and chemical elements of steel bars. …
Latex Modified Concrete - Very Early Strength, Bobby Steele
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.
High Performance Mortar With 100% Recycled Aggregate Using Titanium Dioxide Nanoparticles, Molly Schrager, Vito Francioso, Arjun Kadakia, Mirian Velay-Lizancos
High Performance Mortar With 100% Recycled Aggregate Using Titanium Dioxide Nanoparticles, Molly Schrager, Vito Francioso, Arjun Kadakia, Mirian Velay-Lizancos
The Summer Undergraduate Research Fellowship (SURF) Symposium
Concrete and mortar are materials commonly used in construction. Their main compounds are cement, aggregates (sand and gravel) and water. In an effort to increase the sustainability of these materials, the idea of using recycled aggregates from ground old concrete and using it to make mortar and concrete has gained more interest. It has two advantages: it reduces the need to mine for raw materials and lessens the amount of old and defective concrete that is typically put in landfills. But, the use of recycled concrete aggregate lowers the strength of mortars and concretes because the residual compounds in the …
My Catalyst, Gabrielle Gambino Lyon
My Catalyst, Gabrielle Gambino Lyon
Celebration of Learning
Over the course of my internship and shadow program with Pepper Lawson Construction and Ziegler Cooper Architects, I was able to explore the various career paths involved in the design, construction, and civil engineering fields. My work on the construction site of a high-rise apartment building located in the heart of Houston, TX allowed me first-hand experience working and learning alongside project engineers, contractors, building developers, and the construction team.
This project was the perfect confluence of my main areas of interest: structural, mechanical, civil, and environmental engineering, as well as architecture. My daily work consisted of on-site walk throughs, …
Seeps And Springs At A Platteville “Observatory” On The River Bluffs, Bj Bonin, Greg Brick, Julia R. Steenberg
Seeps And Springs At A Platteville “Observatory” On The River Bluffs, Bj Bonin, Greg Brick, Julia R. Steenberg
Sinkhole Conference 2015
Residential building construction along the Mississippi River bluffs in the 1970s created a unique enclosed outcrop of the Late Ordovician Platteville Formation at Lilydale, Minnesota. This outcrop was examined in early 2013 after a newly-formed spring flooded an elevator shaft the previous year, drawing attention to the foundation conditions. The Lexington Riverside property is a six story condominium complex constructed within the top of the bluff. A two-level underground parking garage was built into the bluff. Bedrock was mechanically excavated to accommodate the construction of the building, creating an unweathered rock surface. The space between the structure and the excavated …
Red Bird Water Kiosk Pavilion _ Clean Water Clean Life, Garrett Keyes Nelli
Red Bird Water Kiosk Pavilion _ Clean Water Clean Life, Garrett Keyes Nelli
EURēCA: Exhibition of Undergraduate Research and Creative Achievement
Architecture has the power to strengthen community bonds, support a healthy life style and enrich individual lives. The Red Bird Water Kiosk seeks to achieve all three of these on the site of the Red Bird Mission campus, located deep in the Appalachian Mountains of Clay County, Kentucky. This is an area where most live below the poverty line, and about 64 percent of water sources are contaminated. As a result, lack of clean water has forced many locals to turn to unhealthy living standards. Because of these conditions, the county ranks as one of the poorest in the nation, …
Compression Testing And Failure Modes Of Steel-Concrete Composite (Sc) Structures For Nuclear Containment, Patrick Michael Wanamaker, Amit H. Varma
Compression Testing And Failure Modes Of Steel-Concrete Composite (Sc) Structures For Nuclear Containment, Patrick Michael Wanamaker, Amit H. Varma
The Summer Undergraduate Research Fellowship (SURF) Symposium
Although being able to provide much cleaner power than burning coal and other fossil fuels, nuclear power plants are still a tough sell to the general public due to their history of being spontaneously dangerous. The containment structures surrounding these nuclear plants, however, can play a huge role in reducing the risks associated with them. Relatively new designs for these containment assemblies, known as SC (steel-concrete composite) structures, aim to increase the strength and durability of the containment facilities while keeping costs down. By varying the spacing between shear studs, the ratio of concrete to steel, and the ratio of …
Vulnerability Of Progressive Collapse In Reinforced Concrete Flat-Plate Buildings, Jinrong Liu
Vulnerability Of Progressive Collapse In Reinforced Concrete Flat-Plate Buildings, Jinrong Liu
College of Engineering: Graduate Celebration Programs
- Progressive collapse is the spread of initial local failure, causing partial or
even total collapse of a building. - Flat plate structure is widely used for office and residential buildings.
- There is a large inventory of older flat plate building without continuous slab bottom reinforcement through columns.
- Limited knowledge exists regarding the risk of disproportionate collapse in
older flat-plates under sudden column removal during abnormal events. - Reliable mechanical model is needed for structural evaluation.
Wku Capital Construction Update, Wku Board Of Regents
Wku Capital Construction Update, Wku Board Of Regents
Board of Regents Documents
Presentation booklet regarding capital construction projects with photographs. Projects included:
- Glasgow Regional Postsecondary Education Center
- Elizabethtown Regional Postsecondary Education Center
- Media & Technology Center / Guthrie Tower & Plaza
- Science & Engineering Building
- Downing University Center Renovations
- University Boulevard Pedestrian Bridge
E.A. Diddle Arena Project, Wku Board Of Regents
E.A. Diddle Arena Project, Wku Board Of Regents
Board of Regents Documents
Presentation booklet regarding Diddle Arena renovation project financing through bond issue. Includes contracts, revenue sources, insurance, deed descriptions and model procurement codes.