Ricardo Eiris

Arizona State University | ASU · School of Sustainable Engineering and the Built Environment

Bike lane width is critical information for civil infrastructure planers to promote city sustainability, health, and urban livability. This research presents a feasibility investigation to develop a workflow for the recognition of bike lane markings using city-scale point cloud data. City-scale point cloud data was collected employing a backpack mo...

For many years, the National Institute for Occupational Safety and Health (NIOSH) and construction safety experts have advocated for implementing the Prevention through Design (PtD) concept in the United States. PtD aims to eliminate construction hazards during the design phase to prevent or reduce occupational injuries, illnesses, and fatalities d...

The Hispanic construction workforce’s contribution to the construction industry is significant. However, this significant con- tribution is threatened due to higher injury rates among Hispanic workers. One contributing factor to the higher rates of injuries is that occupational safety and health (OSH) research studies have not been sensitive to the...

Construction is one of the most dangerous industries for people on jobsites all around the world. In response, safety training has been employed to address safety hazards proactively. However, training that utilizes traditional media (e.g., texts, images, videos) is ineffective due to its passiveness. Virtual reality (VR) –based safety training can...

The construction industry is facing workforce shortages and a low retention rate for new professionals. Embracing diversity has been identified as a critical factor that can remediate this situation. Minority Serving Institutions (MSIs) are recognized as an important source to increase the diversity of minority representation to foster a next gener...

Drones continue to support the growth of the construction industry; however, activities that use drones for K-12 education are still minimal and exploratory. Particularly, no studies have explored the use of drone technologies to attract students towards construction disciplines. The contribution of this study centers on better understanding how dr...

Trends in the construction domain, educational enrollment, student graduation, student industry employment, and workforce retention demonstrate that minorities-Hispanics, African Americans, Asian Americans, and Native Americans-are often excluded, segregated, or ignored in this domain. A systematic literature review (N = 68) was conducted to invest...

Construction professionals need to understand collaboration within the context of jobsites. Consequently, many construction programs utilize learning activities to enable student learning of collaboration. One of those key learning activities used by construction programs is site visits. Although site visits are greatly beneficial for students, the...

Site visits or field trips have been a tool utilized by construction educators to engage students in active learning, assist traditional lessons, and attain stronger and deeper student learning experiences. Nevertheless, site visits present major logistical and accessibility challenges for educational institutions and instructors, reducing the numb...

Online safety training is an increasingly utilized tool to deliver flexible learning opportunities for workers in the construction industry. Traditionally, online safety training relies mainly on text and images for delivering trainee learning and assessment methodologies. This study investigates the use of online virtual reality (VR) environments...

Increasingly, online safety training has been used in the construction industry to reduce costs, save time, and offer workers flexible learning opportunities. This type of training utilizes safety videos to demonstrate unsafe behaviors and increase worker awareness of hazards. However, directing trainee attention to hazardous conditions within vide...

"As drone-mediated building inspection gains interest among the inspection disciplines and becomes more standardized in the industry, current construction, engineering, and management (CEM) students are encouraged to develop and enhance their drone flight operational skills. While integrating hands-on building inspection training using drones in th...

Site visits or field trips are widely recognized by construction educators to engage students in active learning, supplement traditional lessons, and achieve better student learning experiences. However, site visits pose significant logistical and accessibility challenges for educational institutions and teachers, limiting the number of students wh...

"Site visits or field trips have been a tool utilized by construction engineering and management educators to engage students in active learning, assist traditional lessons, and attain stronger and deeper student learning experiences. Nevertheless, site visits present major logistical and accessibility challenges, which reduces the number of studen...

Collaborative problem-solving skills are required from learners in the 21st century, particularly in construction graduates upon entering the workforce. However, challenges associated with spatiotemporal contexts of construction sites and resource limitations of educational programs reduce the opportunities available for students to practice these...

Building science employs student-professional interactions to increase the learning and engagement of domain topics. Although these interactions are beneficial to students, labor shortages and automation trends will create barriers to expose students to professionals in the future. One solution is to utilize virtual situated learning contexts for s...

Purpose-This study aims to explore DroneSim, a virtual reality (VR)-based flight training simulator, as an alternative for real-world drone-mediated building inspection training. Design/methodology/approach-Construction, engineering and management students were asked to pilot drones in the VR-based DroneSim space and perform common flight operati...

This research studied the use of cinemagraphs for online training purposes to enhance the hazard recognition of construction "struck-by" hazards. Cinemagraphs (i.e., partially animated videos that loop over time) have been identified as an effective method to direct attention in video content, making it potentially beneficial in remote construction...

Construction professionals require to use problem-solving skills to resolve issues on projects. However, there are limited opportunities for students to practice problem-solving skills within real-world contexts. This research explored the use of iVisit-360-degree panoramic site visits supported by virtual humans for learning problem-solving skills...

Purpose-The purpose of this research is to explore how to visually represent human decision-making processes during the performance of indoor building inspection flight operations using drones. Design/methodology/approach-Data from expert pilots were collected using a virtual reality drone flight simulator. The expert pilot data were studied to i...

This research conducted a case study to understand the use of omnidirectional cinemagraphs for training purposes, enhancing the hazard-recognition of construction struck-by hazards. Traditional lecture-based training using classroom teaching was compared to virtual reality omnidirectional cinemagraph-based training employing a head-mounted display....

Site visits or field trips are an integral part of construction management education, providing students with experiential learning of jobsite conditions. However, these types of real-world opportunities are difficult to obtain within the current educational framework based on classroom instruction. To expose students to jobsite spatiotemporal cont...

The use of drones or unmanned aerial vehicles for indoor building inspection tasks requires users to understand flight patterns (e.g., flight routes, camera focus points, target approach strategies) for maneuvering the aircraft. This study focuses on exploring the visual representation of human behaviors performing indoor building inspection flight...

Safety training in the United States construction industry commonly employs classroom-based lecture and storytelling techniques to transfer knowledge to workers and professionals. However, low levels of engagement and low-fidelity representations of the construction jobsites have posed limitations for learners to easily visualize and understand haz...

Omnidirectional images have seen increasing usage in virtual tours to display remote destinations. These applications use markers or landmarks within the images to drive user interaction. Viewers must be able to efficiently locate and interact with markers for a positive user experience that retains immersion. However, the effect of marker position...

Virtual reality (VR)-based approaches have been used to facilitate safety knowledge transfer and increase hazard awareness by providing safe and controlled experiences of unsafe scenarios in construction safety training applications. However, the long development times and high computational costs associated with existing VR methods have posed sign...

Virtual reality (VR)-based approaches have been used to facilitate safety knowledge transfer and increase hazard awareness by providing safe and controlled experiences of unsafe scenarios for construction safety training applications. However, high computational costs, long development times, and the limited sense of presence and realism associated...

360-degree panorama is a reality capturing technique for visualizing environments that fully immerses the user in a true-to-reality representation of real-world spaces. 360-degree panoramas create highly realistic and detailed replication of construction sites while giving users a high sense of presence. This paper aims to discuss the applications...

Improving the hazard-identification skills of construction workers is a vital step towards preventing accidents in the increasingly complex working conditions of construction jobsites. Training the construction workforce to recognize hazards therefore plays a central role in preparing workers to actively understand safety-related risks and make ass...

Construction is one of the leading industries in terms of workplace accidents. Safety training provides workers and professionals with tools to actively prevent these accidents. However, previous research has highlighted deficiencies in current safety training methods. Virtual Reality (VR) and Augmented Reality (AR) technologies have been employed...

Unmanned aerial vehicles (UAV) have gained tremendous interest in the construction management domain as a platform for progress monitoring, safety supervision, quality inspections, and overall job site logistics. With the continued growth of UAV application within construction domain, it is essential for construction program graduates to develop a...

Site visits in construction education are learning experiences that aid the students to better understand real-world construction practices. These field trips create a guided interactive environment for students, enabling awareness of spatiotemporal challenges present in a construction project. This research uses descriptive research to explore con...

Construction-related professionals are required to interact constantly on a variety of complex spatiotemporal occasions with several groups of people (e.g., architects, engineers, other construction professionals). The efficiency and effectiveness of the construction process strongly depends on the successful communication of information between al...

Safety training has a direct impact on the prevention of construction accidents, and increasingly dynamic and complex working conditions require that construction workers and professionals acquire the safety-related knowledge they need to make safety conscious decisions. Currently, virtual modeling methods-such as building information modeling (BIM...

Construction site visits are interactive experiences that enhance students’ understanding of real construction practices. Site visits create an interactive learning environment for students and provide exposure to a real-world spatiotemporal experience of a construction project. This article explores construction site visit application as an educat...

Human tasks that require interaction with the physical world are often constrained by time, location, and safety factors, precluding their feasibility of execution. Virtual reality has provided an opportunity for humans to experience similar interaction but with a virtual representation of the real world. In such virtual environment, virtual humans...

360-degree panoramic virtual reality is a ubiquitous technique for visualizing complex construction environments that can be augmented with different layers of information. Unlike the common virtual environments that provide unrealistic computer-generated simulation of the environment, panoramic virtual reality is able to create highly realistic an...

Background In the construction industry, the productivity of all trades is directly impacted by uncertainty and variability. For repetitive projects, smooth work flow of productive resources is necessary to minimize or eliminate interruptions and idle time with the objective of reducing costs. An ideal or near optimal solution requires careful plan...

In the construction industry, the productivity of all trades is directly impacted by uncertainty and variability. For repetitive projects, smooth work flow of productive resources is necessary to minimize or eliminate interruptions and idle time with the objective of reducing costs. An ideal or near optimal solution requires careful planning of the...