Incorporating Virtual Reality Technology in Safety Training Solution for Construction Site of Urban Cities
Abstract
:1. Introduction
2. Methods
2.1. 3D Modelling
2.2. Simulation Platform
2.3. Survey Design
3. Training Experiment Results
3.1. Training Performance
3.2. Feedback from Participants
4. Discussion
4.1. Participant Perception
4.2. Participant Performance Regarding 3D Motion Sickness
4.3. Implications
4.4. Limitations
5. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Training Level | Main Features | Requirements for Passing |
---|---|---|
Relatively smooth ground. It contains only single running machinery, which is used for players to get familiar with the VR environment. The player must inform the machinery operator correctly to pass this level. This is the simplest level. | The trainee would be spawned at point A and is expected to move to point B after reading through the instruction. The player is required to move to point C securely, e.g., notify the operator of the excavator to stop working or move from A to C and maintain enough distance from the machinery. | |
A few gaps on the ground. An excavator and a truck are running simultaneously, and the player has to make sure not to walk on the vehicles’ moving track or inform the operators to pass this level. Few objects are arranged at this level. | The trainee would be spawned at point A and is expected to navigate to point B securely, e.g., waiting for the truck to stop and notify the operator of the excavator to stop. Getting hurt or staying in the same place for over 1 min would be considered a failure. | |
Multiplayer scene with several trenches on the ground. All the loaders, excavators, and cranes are working together. Fragment of bricks may drop from the tower crane. The player must avoid all potential hazards and pass this level without getting hurt. | Trainees would be spawned at point A and point B. They can explore the whole scene at this level. Players will be removed after 5 min, and they are expected to keep the other safe. They would fail if they get injured or stay in the same place over 1 min. | |
Multiplayer scene with several trenches on the ground. All machinery (including the train) is working together. Players would be randomly assigned to any sites, and they have to work collaboratively to pass the training. For example, one could act as the operator, while the other stands in the blind zone. | Trainees would be randomly spawned into the scene. They would act as a machinery operator and on-site worker. They would be removed after 5 min and 30 s, and they are expected to keep the other safe. For failing, same conditions in level 03 applied. |
Survey Topic | Application | Questions | Responses |
---|---|---|---|
Demographics | Given before the training | Gender; age; working experience (years) Average working time per day (hours) Injured times (can be specified) Previous experience with VR | In numbers “<6”–“>8” “0”–“>5” “0”–“>10” |
Simulator discomfort | Given before and after the training | Evaluation subscales were used to assess general discomforts such as fatigue, headache, eyestrain, sweating, nausea, dizzy, etc. | Slight, moderate, and severe. |
Perception of the VR training platform | Given after the training | Whether the training sessions are more impressive; whether nervousness was experienced; whether it was easy to move around; whether it is easier to getting hurts in VR environment; whether lost; whether the VR system provided good visualization | The 5-point Likert scale (“strongly disagree 1” to “strong agree 5”). |
Simulating realism | Given after the training | Whether the decent visualization was provided; whether it helped improve safety awareness; simulator realism. | “strongly disagree 1” to “strong agree 5”; “very poor (0)” to “excellent (5)”. |
Characteristic | Percentage (%) | Characteristic | Percentage (%) |
---|---|---|---|
Gender | Average working time per day (h) | ||
Male | 100 | Less than 6 | 0 |
Female | 0 | 6–8 | 80 |
Age | More than 8 | 20 | |
18–25 | 20 | Injured times | |
26–40 | 80 | 0–1 | 80 |
Working Experience (years) | 1–2 | 20 | |
0–1 | 70 | Experience with VR | |
1–2 | 30 | 0 | 60 |
More than 2 | 0 | 1–2 | 30 |
More than 3 | 10 |
Perception of Training Sessions | Traditional | Virtual Reality | ||||
---|---|---|---|---|---|---|
M 1 | SD 2 | M 1 | SD 2 | |||
Whether sessions are impressive | 1.50 | 0.50 | 0.60 | 4.50 | 0.71 | 0.64 |
Whether felt nervous | 1.00 | 0.00 | 2.00 | 1.12 | ||
Whether it was easy to move | 4.13 | 0.59 | 3.63 | 1.41 | ||
Whether got hurts | 1.00 | 0.00 | 3.63 | 1.41 | ||
Whether lost | 1.13 | 0.33 | 3.75 | 1.30 |
VR Simulating Realism | M 1 | SD 2 | |
---|---|---|---|
Good Visualization | 3.90 | 0.83 | 0.65 |
Difficult to Operate | 2.00 | 1.18 | |
Improve Safety Awareness | 4.00 | 1.00 | |
Good Training Tool | 3.40 | 1.02 | |
More Impressive | 4.10 | 0.83 |
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Xu, Z.; Zheng, N. Incorporating Virtual Reality Technology in Safety Training Solution for Construction Site of Urban Cities. Sustainability 2021, 13, 243. https://doi.org/10.3390/su13010243
Xu Z, Zheng N. Incorporating Virtual Reality Technology in Safety Training Solution for Construction Site of Urban Cities. Sustainability. 2021; 13(1):243. https://doi.org/10.3390/su13010243
Chicago/Turabian StyleXu, Zheng, and Nan Zheng. 2021. "Incorporating Virtual Reality Technology in Safety Training Solution for Construction Site of Urban Cities" Sustainability 13, no. 1: 243. https://doi.org/10.3390/su13010243
APA StyleXu, Z., & Zheng, N. (2021). Incorporating Virtual Reality Technology in Safety Training Solution for Construction Site of Urban Cities. Sustainability, 13(1), 243. https://doi.org/10.3390/su13010243