Concrete Pump Rate Control Under Curing and Formwork Pressure
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Manual control of concrete pump delivery rates in construction is prone to errors, leading to potential formwork damage, safety risks, and increased construction time due to unpredictable quality fluctuations from material and environmental factors.
Innovation Solution
A method and device that determine a permissible rate of rise for filling formwork based on material and environmental parameters, using sensors to measure static filling pressure and calculate the optimal delivery rate for the concrete pump, ensuring controlled filling speeds.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the concrete pump delivery rate is increased to reduce construction time, then productivity improves, but the risk of formwork damage and safety incidents increases
Solution Approach 1:
The system continuously monitors the fill level in the formwork arrangement using sensors and automatically adjusts the concrete pump delivery rate based on real-time feedback. When the formwork approaches its maximum fill level, the system reduces or stops the delivery rate to prevent overloading, while maintaining high productivity during safe filling phases.
Solution Approach 2:
The concrete pump delivery rate is dynamically adjusted during the concreting process rather than maintaining a constant rate. The system varies the delivery rate based on real-time conditions such as formwork fill level, concrete placement rate, and environmental factors, optimizing both safety and productivity throughout the process.
2Reliability
If the concrete pump delivery rate is manually controlled to ensure formwork safety, then reliability improves, but productivity decreases due to conservative filling speeds
Solution Approach 1:
The system performs self-monitoring and self-adjustment of the concrete pump delivery rate without requiring continuous manual intervention. Sensors automatically detect formwork fill level and concrete properties, and the control system autonomously optimizes the delivery rate to maintain safety while maximizing productivity.
Solution Approach 2:
Manual mechanical control of the concrete pump by the driver is replaced with an automated electronic control system that uses sensors and processors to monitor and adjust the delivery rate. This substitution eliminates human error and conservatism, enabling both high safety standards and optimal productivity.
3Device complexity
If environmental factors such as temperature are not considered, then device complexity is reduced, but manufacturing precision deteriorates due to unpredictable concrete setting behavior
Solution Approach 1:
The system monitors and responds to changes in environmental parameters such as temperature, humidity, and wind conditions that affect concrete setting behavior. Based on these parameter changes, the system automatically adjusts the concrete pump delivery rate and curing processes to maintain consistent concrete quality regardless of environmental variations.
Data Source
Figure 1
Figure 2~4
Figure 5
AI summary
The invention relates to a method and a device for controlling the delivery rate (PQ) of a concrete pump (1) for filling a formwork arrangement (2) with a pumpable filling compound (3) in dependence on curing-relevant material and ambient parameters (RST), in accordance with which the placed filling compound (3) sets within the formwork arrangement (2), comprising the following steps: - determining an admissible rate of rise (vSZ) for the filling of the formwork arrangement (2) with the filling compound (3) on the basis of the material and ambient parameters (RST), - measuring the static filling compound pressure (pF) acting on the formwork arrangement (2) during the filling, - calculating the admissible delivery rate (PQ) of the concrete pump (1) in dependence on the determined admissible rate of rise (vSZ) and the measured static filling compound pressure (pF) of the formwork arrangement (2).