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Rock-fill dam panel deformation monitoring device and construction method

A technology of deformation monitoring and construction methods, applied in the direction of measuring devices, instruments, etc., to achieve the effects of continuous observation, improved service life, and low maintenance costs

Active Publication Date: 2017-09-05
CHINA POWER CONSRTUCTION GRP GUIYANG SURVEY & DESIGN INST CO LTD
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  • Claims
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Problems solved by technology

[0009] The technical problem to be solved by the present invention is: in view of the deficiencies in the existing technical means, it is proposed to arrange an array type three-dimensional measurement system in the panel to monitor the deformation of the panel, so as to achieve the purpose of continuous and automatic monitoring of the deformation of the panel

Method used

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  • Rock-fill dam panel deformation monitoring device and construction method

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Embodiment Construction

[0038] Such as figure 1As shown, there is a concrete panel 2 on the upstream side of the rockfill dam 1 of the present invention, and there are multiple sections of stainless steel pipes 3 inside the concrete panel 2. The pipes of the stainless steel pipes 3 are threadedly connected, and the joints are waterproof and sealed. , the stainless steel pipe 3 is connected to form an integral hollow pipe, and the stainless steel pipe 3 is welded and fixed on the steel bar of the panel 2 by means of a pipe clamp 5 . There is an array type three-dimensional measurement system 6 inside the stainless steel pipe 3, and the array type three-dimensional measurement system 6 penetrates into the PVC pipe before being put into the stainless steel pipe 3, and the array type three-dimensional measurement system 6 and the stainless steel pipe The gaps between 3 are filled with fine sand 4, and the fine sand 4 is filled to the top of the stainless steel pipe 3 and then stops, the array type three-...

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Abstract

The invention discloses a rock-fill dam panel deformation monitoring device and method. The device comprises a concrete panel (2) located on the upstream side of a rock-fill dam (1); a pipeline (3) is arranged in the concrete panel (2); an array type three-dimensional measuring system (6) is installed in the pipeline (3); the array type three-dimensional measuring system (6) is connected with a data acquisition module (7), and the data acquisition module (7) is arranged in a protection pier (8); a surface deformation observation pier (9) is arranged at the same position of the protection pier (8). By means of the device, deformation of the panel can be monitored by arranging the array type three-dimensional measuring system in the panel, so that the purpose of continuous and automatic monitoring of deformation of the panel is achieved in the whole process.

Description

technical field [0001] The invention belongs to the field of safety monitoring of water conservancy and hydropower projects, and in particular relates to a device for monitoring the deformation of a concrete face rockfill dam and a construction method thereof. Background technique [0002] With the vigorous development of my country's water conservancy and hydropower resources, face rockfill dams are widely used because of their good engineering adaptability and economy. The face rockfill dam is mainly composed of a rockfill body and an anti-seepage system, including: face plate, plinth, cushion, transition layer, main rockfill area, and secondary rockfill area. Among them, the face plate is one of the important anti-seepage structures of rockfill dams. The inconsistency of deformation between it and the rockfill body often causes unfavorable situations such as cracking, voiding, and excessive deflection and fracture of the face plate, which leads to dam failure. There is a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B21/32
CPCG01B21/32
Inventor 彭浩周以林江志红易伟
Owner CHINA POWER CONSRTUCTION GRP GUIYANG SURVEY & DESIGN INST CO LTD
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