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A wide-graded mixed aggregate open-ground integrated detection method

A detection method and aggregate technology, applied in measurement devices, analytical materials, radio wave measurement systems, etc., can solve the problems of limited number of samples, low efficiency, labor consumption, etc., to achieve dynamic non-contact detection, improve work efficiency, etc. The effect of efficiency

Active Publication Date: 2022-05-24
BEIJING NORMAL UNIVERSITY
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  • Claims
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Problems solved by technology

[0004] Aiming at the above-mentioned deficiencies in the prior art, the present invention provides a wide-graded mixed aggregate open-ground integrated grading detection method to solve the problems of traditional sieving methods, such as the limited number of samples calculated each time, labor-intensive, and low efficiency, which affect the construction progress. The problem

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  • A wide-graded mixed aggregate open-ground integrated detection method
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  • A wide-graded mixed aggregate open-ground integrated detection method

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[0038] The specific embodiments of the present invention are described below to facilitate those skilled in the art to understand the present invention, but it should be clear that the present invention is not limited to the scope of the specific embodiments. For those skilled in the art, as long as various changes Such changes are obvious within the spirit and scope of the present invention as defined and determined by the appended claims, and all inventions and creations utilizing the inventive concept are within the scope of protection.

[0039] like figure 1 As shown in the figure, an integrated detection method for wide-graded mixed aggregate and open space includes the following steps:

[0040] S1. Select the base material excavated from the river bed or the construction site as the inspection aggregate, stack all the inspection aggregates in a storage pile for a period of time to dry, and use the UAV LiDAR and UAV photogrammetry technology to stack the surface layer of ...

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Abstract

The invention discloses a wide-graded mixed aggregate open-ground integrated detection method. Based on the deep learning method and laser radar measurement technology under the background of big data, a fast and intelligent detection and segmentation algorithm for aggregates based on the instance segmentation framework Aggregate Net model is proposed. , the model's powerful parallel target detection and instance segmentation capabilities can obtain the predicted long diameter, predicted short diameter and aggregate particle size of each aggregate, and the laser radar measurement technology can obtain the thickness of the aggregate, so as to accurately calculate each aggregate The equivalent volume, and finally data fitting with the manual sampling and sieving results, so as to obtain a more accurate grading curve result.

Description

technical field [0001] The invention relates to the technical field of aggregate detection, in particular to a wide-graded mixed aggregate open-ground integrated gradation detection method. Background technique [0002] Construction projects and water conservancy projects are important infrastructures for my country's national economic construction and social development, and it is imperative to comprehensively improve their safety. Various wide-graded mixed aggregates are the main building materials for water conservancy, highway, railway and construction projects. Reasonable aggregate ratio is an important factor affecting the durability of engineering structures and ensuring the safety of engineering operations. In order to ensure the compaction quality of the filling project and improve the anti-deformation ability and impermeability performance, it is particularly important to use a reasonable gradation of fillers. Among them, the volume ratio of aggregate in concrete...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N15/02G01S17/86G01S17/89
CPCG01N15/0227G01S17/86G01S17/89
Inventor 岳建伟雷添杰王嘉宝慎利张保山张平贾保治李翔宇李小涵
Owner BEIJING NORMAL UNIVERSITY