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A rapid prediction method for concrete dam compaction quality considering the influence of parameter uncertainty

A technology of parameter uncertainty and compaction quality, applied in special data processing applications, design optimization/simulation, etc., can solve problems such as lack of dry density, achieve real-time evaluation, take a long time, improve rationality and accuracy degree of effect

Active Publication Date: 2020-04-21
TIANJIN UNIV
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Problems solved by technology

[0019] In order to overcome the deficiencies of the existing filling and rolling quality detection technology and the lack of research on the influence of parameter uncertainty on dry density in the dam compaction quality analysis and research work carried out at home and abroad, the present invention proposes a consideration Rapid Prediction Method of Concrete Dam Compaction Quality Affected by Parameter Uncertainty

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  • A rapid prediction method for concrete dam compaction quality considering the influence of parameter uncertainty
  • A rapid prediction method for concrete dam compaction quality considering the influence of parameter uncertainty
  • A rapid prediction method for concrete dam compaction quality considering the influence of parameter uncertainty

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specific Embodiment

[0062] Specific embodiment: a kind of concrete dam compaction quality rapid prediction method of the present invention considers parameter uncertainty influence, and evaluation index system is as follows figure 1 As shown, the evaluation steps are as follows figure 2 and 3 As shown, the specific implementation is as follows:

[0063] 1. Real-time monitoring system for rolling compaction of RCC dams, on-site testing, sampling testing, and drilling and coring to obtain rolling parameters and material source parameters respectively, and construct an original data set of evaluation indicators for the compaction quality of RCC dams: figure 1 As shown, the first layer is the evaluation target layer, that is, the evaluation index (compaction degree) of the compaction quality of the RCC dam; the second layer is the parameter category that affects the compaction degree of the compaction quality evaluation index. parameters, material source parameters; the third layer is the specific...

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Abstract

The invention discloses a concrete dam compaction quality rapid prediction method capable of considering parameter uncertainty influences. The concrete dam compaction quality rapid prediction method capable of considering parameter uncertainty influences comprises the main steps: constructing an original data set; establishing an evaluation index system; analyzing and quantifying uncertainty; establishing a quality rapid evaluation model solved by using a random forests algorithm; and establishing a quality full-dam-surface rapid evaluation model. Parameter uncertainty is considered, a full-bin-surface compaction quality rapid evaluation model which uses the random forest solving method is established, and is visually expressed through a compaction quality distribution cloud picture, and thus, a rolling compaction concrete dam compaction quality rapid evaluation result has comprehensiveness and practicability.

Description

technical field [0001] The invention belongs to the field of water conservancy and hydropower engineering construction, and in particular relates to a method for quickly predicting the compaction quality of a concrete dam considering the influence of parameter uncertainty. Background technique [0002] Roller-compacted concrete dams combine the structural advantages of normal concrete dams with the construction advantages of roller-compacted earth-rockfill dams, and have the advantages of high mechanization, fast construction speed, and good economic benefits. Therefore, RCC dams have been widely promoted and applied all over the world. With the continuous development and progress of RCC dam construction technology, the number of projects is increasing, the scale of dam construction projects is also increasing, the requirements for construction technology are getting higher and higher, and the safety of dams is getting more and more extensive attention Concern, and the cont...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F30/20
CPCG06F30/20
Inventor 吴斌平钟登华关涛林威伟刘明辉
Owner TIANJIN UNIV
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