Related Experiment Video
Updated: Feb 1, 2026
07:44
Construction of a Multilayered Mesenchymal Stem Cell Sheet with a 3D Dynamic Culture System
Published on: October 20, 2018
7.9K
Developing safety archetypes of construction industry at project level using system dynamics
Amir Mohammadi1, Mehdi Tavakolan1, Yahya Khosravi2
1University of Tehran, College of Engineering, School of Civil Engineering, Department of Construction Engineering and Management, Tehran, Iran.
Journal of Safety Research
|December 17, 2018
Summary
Construction accidents stem from complex system failures, not just individual actions. This study identifies four key patterns in safety management to improve construction site safety.
Area of Science:
- Construction Management
- Occupational Safety and Health
- Systems Engineering
Background:
- Safe behavior and work conditions are critical in construction projects.
- Accidents often result from systemic failures rather than isolated factors.
- A systematic approach is needed to understand the complexity of construction accidents.
Purpose of the Study:
- To continuously detect and categorize recurring behavior patterns in construction safety management.
- To provide a systematic framework for understanding and addressing construction safety issues.
- To identify actionable insights for improving safety protocols.
Main Methods:
- Content analysis of 90 global research articles.
- Grounded Theory Method (GTM) applied to qualitative data.
- 20 in-depth interviews with experienced construction health and safety professionals.
Main Results:
- Identification of four recurring archetypes influencing construction safety: design delays, subcontractor volume, project cost-safety trade-offs, and supervisor involvement.
- Detailed analysis of each archetype's dynamic complexity and temporal behavior.
- Determination of leverage points for intervention within each archetype.
Conclusions:
- Construction safety requires a systemic perspective to manage complex, interconnected factors.
- Understanding these four archetypes offers targeted strategies for accident prevention.
- Proactive management of identified patterns can significantly enhance workplace safety in construction.
More Related Videos
16:06Fabrication of Micropatterned Hydrogels for Neural Culture Systems using Dynamic Mask Projection Photolithography
Published on: February 11, 2011
19.4K
07:29Author Spotlight: Development of a Standardized Acupuncture Tool Inspired by Advanced Techniques for Improved Safety and Precision
Published on: January 10, 2025
690
Related Concept Videos
01:12Fermi Level Dynamics
719
The vacuum level denotes the energy threshold required for an electron to escape from a material surface. It is usually positioned above the conduction band of a semiconductor and acts as a benchmark for comparing electron energies within various materials.
Electron affinity in semiconductors refers to the energy gap between the minimum of its conduction band and the vacuum level and it is a critical parameter in determining how easily a semiconductor can accept additional electrons.
The work...
Electron affinity in semiconductors refers to the energy gap between the minimum of its conduction band and the vacuum level and it is a critical parameter in determining how easily a semiconductor can accept additional electrons.
The work...
719
01:27Levels of Communication II: Organizational, Public, and Group Dynamics
3.0K
Effective communication is the foundation of a good organization. Communication is the lifeblood of an organization that connects the group with messages. In an organization, communication occurs in upward, downward, and horizontal lines. Downward communication travels from the administrative and senior levels to the staff through official channels such as manuals, rules and regulations, and organizational charts. Staff members initiate upward communication, which is addressed to executives and...
3.0K
02:18Fischer Projections
16.5K
Learning to draw Fischer projections of molecules and understanding their relevance plays a crucial role in the visual depiction of organic molecules. A Fischer projection is a two-dimensional projection on a planar surface to simplify the three-dimensional wedge–dash representation of molecules. This is especially helpful in the case of molecules with multiple chiral centers that can be difficult to draw. Here, all the bonds of interest are represented as horizontal or vertical lines. While...
16.5K
01:28Survey Safety
394
Surveying near highways, rough terrain, or power lines involves significant risks. Working along highways is particularly dangerous and requires the use of warning signs and flagmen. It is safest to avoid working directly on roads and use offsets whenever possible. When highway work is unavoidable, it must follow all safety guidelines. Surveyors should wear bright clothing, such as orange reflective vests, to ensure visibility to motorists, coworkers, and hunters. In construction zones, wearing...
394
02:06Newman Projections
20.9K
Different notations are used to represent the three-dimensional structure of molecules on two-dimensional surfaces. One of the most commonly used representations is the dash-wedge formula. The dashed wedges, solid wedges, and the plane lines indicate the groups situated behind the plane, coming out of the plane, and in the plane, respectively.
The organic molecules rotate across the single bonds leading to numerous temporary three-dimensional structures of varying energy known as...
The organic molecules rotate across the single bonds leading to numerous temporary three-dimensional structures of varying energy known as...
20.9K
01:27Microorganisms in Agriculture and Food industry
1.5K
Microorganisms play a crucial role in agriculture and the food industry, contributing to soil fertility, crop protection, and food production. Their functions range from nitrogen fixation and biopesticide production to fermentation and food preservation, making them indispensable to sustainable farming and food safety.Role in AgricultureNitrogen-fixing bacteria, such as Rhizobium (symbiotic) and Azotobacter (free-living), convert atmospheric nitrogen into ammonia through biological nitrogen...
1.5K