Technical Knowledge
Specific cases of reducing labor reliance & improving labor efficiency by using concrete laser leveling machine (such as one machine replacing three teams).
The improvement of labor force and human efficiency brought about by the use of concrete laser leveling machine is revolutionary. We will break down the details through a specific virtual case, which integrates typical practices within the industry.
Case Background
Project: Ground engineering of a large logistics warehouse, with a concrete floor area of 20,000 square meters. It is required to be a high-grade (C30) wear-resistant floor, and a curing agent floor will be applied subsequently.
Traditional craftsmanship: The construction method involves the combination of traditional manual labor and vibrating beams.
New process: Construction is carried out using a concrete laser leveling machine machine.
Specific comparative analysis: Labor force and work efficiency
1. Traditional manual construction mode
Labor force allocation (one team)
Technical workers: 4-5 positions. Be responsible for operating the vibrating beam, controlling the elevation, local material replenishment and initial leveling.
General workers: 8 to 10 people. Be responsible for unloading materials, initial spreading of concrete, and assisting in moving tools.
A standard team consists of approximately 12 to 15 people in total.
Working Mode and Issues
Reliance on experience: The elevation and flatness are entirely dependent on the accuracy of formwork support and the experience of experienced workers, resulting in significant quality fluctuations.
High physical exertion: Operating vibrating beams and paving are heavy physical labors. Workers are prone to fatigue and their efficiency decreases with working hours.
Coordination difficulties: A dozen people need to be highly coordinated, and the communication cost is high. Any slowness in any link will affect the overall situation.
Construction efficiency: Under ideal circumstances, such a team can complete approximately 600 to 800 square meters in a day (based on 8 to 10 effective working hours).
Resources required to complete 20,000 square meters
To meet the construction schedule, it is usually arranged for three teams to work simultaneously in different areas.
Total labor force: 3 teams * 14 people/team ≈ 42 people.
Total construction period: 20,000 square meters/(3 teams * 700 square meters/day) ≈ 9.5 days.
2. Construction mode of laser leveling machine
Labor force allocation (one leveling machine unit)
Operator/Technician: 1-2 people. Be responsible for setting machine parameters, monitoring operation and handling abnormalities.
Assistants: 4 to 6 people. Responsible for managing concrete pump pipes, conducting initial material distribution in front of the machine, handling corner areas, and subsequent smoothing and finishing work.
A machine crew consists of approximately 6 to 8 people in total.
The key difference is that the demand for auxiliary workers has significantly decreased, and the skill requirements for "technical workers" have changed from judging based on experience to being able to operate and maintain equipment.
Working mode and advantages
Automated leveling: The concrete laser leveling machine automatically levels based on the pre-set three-dimensional digital model (via laser or GPS), with constant precision and not affected by human factors.
Human-machine separation: The operator is remotely monitored, while the assistant worker collaborates nearby. There is no need to walk on the wet concrete, reducing the workload of footprint repair.
Continuous operation: The concrete laser leveling machine is tireless and can maintain a constant high-speed screed speed.
Construction efficiency: One concrete laser leveling machine can easily complete 1,500 to 2,000 square meters in a day (also 8 to 10 hours), which is more than 2.5 times the efficiency of a traditional team.
Resources required to complete 20,000 square meters
Only one machine is needed to operate continuously.
Total workforce: 7 people (for one crew).
Total construction period: 20,000 square meters / 1,750 square meters/day ≈ 11.5 days.
Core comparison and conclusion: The essence of "One machine replacing three teams"
| Comparison item | Traditional mode (3 teams) | concrete laser leveling machine machine mode (1 unit) | Analysis and Conclusion |
| Total number of people | ~42 people | Seven people | The labor force has directly decreased by approximately 83%. This is not merely a decrease in the number of people, but also a shift in reliance on high skills. |
| Average daily efficiency | ~2100 square meters (3*700) | ~ 1,750 square meters | The absolute daily efficiency of the concrete laser leveling machine may be slightly lower than the total of three teams, but considering factors such as quality and continuity, its overall labor efficiency is higher. |
| Total construction period | ~9.5 days | ~11.5 days | The construction period of the concrete laser leveling machine machine plan is slightly longer, but it is achieved under the premise of an 83% reduction in labor force. If the same 42 people are invested, 5 to 6 machines can be operated, and the construction period will be shortened to 3 to 4 days. |
| Quality consistency | Relying on workers' skills, it fluctuates greatly and is prone to fatigue errors. | Digital control ensures constant precision, with extremely high flatness (less than 3mm for a 2-meter straightedge) and levelness. | The quality value is incalculable. It provides a perfect base surface for the subsequent epoxy/cured floor construction, greatly reducing the amount of grinding and material waste. |
| Labor force skills | Rely on experienced "master craftsmen". | Relying on "new technicians" who can operate the equipment makes personnel easier to train and manage. | It has reduced the reliance on traditional scarce occupations and adapted to the changes in the young labor market. |
| Safety and labor intensity | Heavy physical labor and working on wet concrete can easily lead to fatigue and work-related injuries. | Human-machine collaboration significantly reduces labor intensity and enhances safety. | The working environment has been improved, meeting the safety and humanitarian requirements of modern construction. |
Summary: Quantitative manifestations of human efficiency improvement
The core essence of the saying "One machine can replace three teams" lies in:
To complete the same amount of work, the total number of workers required has been significantly reduced: from 42 to 7. This is the most direct form of labor substitution.
A leap in per capita efficiency
Traditional model: 20,000 square meters/(42 people * 9.5 days) ≈ 50 square meters/person/day
Machine mode: 20,000 square meters/(7 people * 11.5 days) ≈ 248 square meters/person/day
The per capita efficiency has increased by approximately five times.
Therefore, the concrete laser leveling machine brings about not only a reduction in labor force, but also a comprehensive upgrade in overall efficiency, engineering quality, construction safety and project management level under the "human-machine collaboration" mode. It makes large-scale floor construction more controllable and economical in today's increasingly scarce labor force.
Note: The parameters provided in this document are for reference only and are not mandatory. Due to differences in technical characteristics between different brands and models of laser levelers, please consult the manufacturer for a suitable solution before actual operation. This reference document assumes no responsibility for any issues arising from failure to follow the manufacturer's instructions.
Thanks to All the Friends Who Support and Trust Shandong Vanse Machinery Technology Co., Ltd.
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About the Author: Shandong Vanse Machinery Technology Co., Ltd.
Shandong Vanse Machinery Technology Co., Ltd. is a high-tech manufacturer specializing in concrete construction machinery, including laser screeds and related equipment. The company integrates R&D, production, and global sales, with products exported to over 60 countries and widely used in infrastructure projects worldwide.
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