Shanghai Construction Group has patented a method and device for detecting time-varying rheological parameters of concrete. The process involves using a double-covered cylindrical container to mix and analyze concrete samples, allowing for precise measurement of rheological changes over time. GlobalData’s report on Shanghai Construction Group gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on Shanghai Construction Group, Mobile Scaffolds was a key innovation area identified from patents. Shanghai Construction Group's grant share as of July 2024 was 40%. Grant share is based on the ratio of number of grants to total number of patents.
Time-varying detection of concrete rheological parameters
The granted patent US12066366B2 outlines a method for detecting time-varying rheological parameters of concrete, which includes a series of systematic steps. The process begins with the preparation of a double-covered cylindrical container equipped with top and bottom covers, along with a lifting frame that features vertical supports connected to the container's side wall. The method involves filling the container with a concrete mix, setting parameters for a concrete rheometer to measure static and dynamic rheological properties, and allowing the mix to rest for a predetermined period. After this resting phase, the container is manipulated to remix the concrete using a portable vane-type mixer, followed by a second round of rheological measurements.
The rheological parameters targeted in this method include plastic viscosity and yield stress, which are critical for understanding the flow behavior of concrete. The patent specifies that the resting period can be one, two, or three hours, and it also describes the structural features of the container, such as skirt bands and diagonal braces for stability. This method aims to provide a comprehensive approach to monitoring the changing properties of concrete over time, which is essential for ensuring quality and performance in construction applications.
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