Device for improving hardened dam contact and electrical imaging directional detecting method of potential hazard body

A technology of dams and electric methods, applied in the field of hidden danger detection of dams, can solve problems such as difficulty in installing electrodes, and achieve the effect of expanding the scope of use

Active Publication Date: 2016-11-23
浙江广川工程咨询有限公司
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  • Abstract
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Problems solved by technology

[0004] In order to solve the problem that the current direct current method is difficult to install electrodes on hardened dams, the invention proposes to use a charging electric hammer to drill holes at a certain distance, insert the invented electrode device into the hole, and use a watering can to drill through the liquid injection hole. The ion solution is injected into the hole to ensure the coupling between the electrode, the hole wall and the soil of the embankme

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  • Device for improving hardened dam contact and electrical imaging directional detecting method of potential hazard body
  • Device for improving hardened dam contact and electrical imaging directional detecting method of potential hazard body

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[0038] It is used for the parallel electrical method directional detection method and device for the hidden danger body in the hardened dam. This invention aims at the current problem that it is difficult to install electrodes in the direct current method after the hardened dam is hardened. A new device and detection method is proposed to achieve the hidden danger of the dam The purpose of effective identification. The specific working methods are divided into the following aspects:

[0039] 1. Invented the skeleton structure of the electrode device: such as figure 1 As shown, the internal structure of the electrode device includes a cylindrical copper rod 1 with a length of 400mm, a cylindrical copper rod 1 with a conical tip 2 with a length of 10mm at the bottom end, and the conical tip 2 facilitates the insertion of underground media; the cylindrical copper rod 1 The two sides of the other end are polished into a groove 3 with a length of 100mm. The groove 3 is used to facilit...

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Abstract

The invention relates to the field of potential dame risk detection, and particularly relates to a hardened dam potential risk detection method and device applying the parallel electrical survey. The device comprises an electrode for an electrical prospecting apparatus, wherein the frame inside the electrode comprises a copper bar and a transfusion duct; conductive sponge and conductive lint sequentially coat the outer part of the middle part of the electrode. The method and the device have the advantages of convenience in field operation, flexibility in operation, low labor intensity and wide application environment since a charging mode electric hammer is adopted to drill the surface of hardened dam; the drilling hole has a small diameter, so that the work for repairing the hardened surface layer of the dam in later phase can be facilitated.

Description

technical field [0001] The invention relates to the field of detection of hidden dangers in embankments, specifically a method and device for detecting hidden dangers in hardened embankments using parallel electrical methods. Surface hardening facilities such as mountains, ponds, roads, runways, and building grounds, as well as natural or artificial geological bodies such as mountains with exposed bedrock, roadways, and foundation pits. Background technique [0002] The embankment is an important part of the flood control engineering system and the last barrier against floods. With the increase of its service life, the problem of dam leakage becomes more and more prominent. In order to effectively carry out the work of risk elimination and reinforcement, it is necessary to accurately calibrate the location, scope and connection of the leakage hazard. Usually excavation or drilling detection method can find hidden dangers directly, but it will cause irreversible damage to t...

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Application Information

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IPC IPC(8): G01V3/04
CPCG01V3/04
Inventor 谭磊江晓益许小杰李红文陈星杜运兵
Owner 浙江广川工程咨询有限公司
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