Advanced dynamic forecasting method applying isotope to tracing rock mass water flowing channel

A technology of isotope tracer and water guide channel, which is applied in the field of advanced dynamic forecasting, can solve the problems of limiting data accuracy, inability to fully and accurately identify geological anomalies, inability to estimate water volume, etc., and achieve good visibility

Active Publication Date: 2020-06-05
SHANDONG UNIV
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Problems solved by technology

[0004] According to the knowledge of the inventor, the methods commonly used in the field of geophysical exploration to detect water, faults, and water channels include: terrestrial sonar method, transient electromagnetic method, and compound induced polarization method. The geophysical field cannot completely and accurately identify geo...

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  • Advanced dynamic forecasting method applying isotope to tracing rock mass water flowing channel
  • Advanced dynamic forecasting method applying isotope to tracing rock mass water flowing channel

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[0026] The present disclosure will be further described below in conjunction with the accompanying drawings and embodiments.

[0027] It should be noted that the following detailed description is exemplary and intended to provide further explanation of the present disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure belongs.

[0028] It should be noted that the terminology used herein is only for describing specific embodiments, and is not intended to limit the exemplary embodiments according to the present disclosure. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural, and it should also be understood that when the terms "comprising" and / or "comprising" are used in this specification, they mean There are features, steps, operations, means, components and / or combinations thereof.

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Abstract

The invention provides an advanced dynamic forecasting method applying an isotope to tracing a rock mass water flowing channel. The advanced dynamic forecasting method comprises the following steps that pilot drilling is carried out in front of tunneling to form a logging well, and a filter tube is arranged in the logging well; a radioactive isotope tracer is put into the filter tube, a seepage principle is used for permeating water flows, and the flow velocity and the flow rate of water are measured; and an inspection logging well is drilled in front of the water flows, the distribution condition of the water flowing channel is reversely obtained through the determination of the isotope concentration and recording of the water quantity in the inspection logging well, and the feed relationof water of the water flowing channel is determined through the change of the isotope concentration of water flowing into the logging well.

Description

technical field [0001] The disclosure belongs to the field of tunnel construction, and relates to an advanced dynamic prediction method using isotope tracer rock mass water-conducting channels. Background technique [0002] The statements in this section merely provide background information related to the present disclosure and do not necessarily constitute prior art. [0003] Isotope tracers, the stable nuclides and radionuclides that make up each element in nature generally have the same physical and chemical properties. Therefore, radioactive nuclides or enriched rare and stable nuclides can be used to trace the objective state and change process of the research object. The distribution and changes of substances labeled with radionuclides can be observed through radioactive measurement methods, and the enriched rare and stable nuclides can be directly measured by mass spectrometry or by neutron methods. [0004] According to the knowledge of the inventor, the methods c...

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Application Information

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IPC IPC(8): E21B47/11E21B49/00E21F17/18
CPCE21B49/00E21F17/18
Inventor 苏茂鑫刘轶民薛翊国王鹏夏腾
Owner SHANDONG UNIV
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