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Indoor large-scale comprehensive simulation drilling test platform and method for engineering geological parameter prediction

A technology of engineering geology and test platform, applied in measurement, teaching model, earthwork drilling, etc., can solve the problem of difficulty in carrying out on-site tests at tunnel construction sites, and achieve the effect of reducing the number of experiments, improving the efficiency of experiments, and easy operation.

Active Publication Date: 2022-05-17
SHANDONG UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] In view of the deficiencies in the prior art, the purpose of the present invention is to provide a large-scale comprehensive simulation drilling test platform and method for engineering geological parameter prediction indoors. Through this method, it is possible to solve the difficult problem that it is difficult to carry out field tests at the tunnel construction site, and realize the engineering geological environment. Quantitative characterization of special diagnosis parameters

Method used

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  • Indoor large-scale comprehensive simulation drilling test platform and method for engineering geological parameter prediction
  • Indoor large-scale comprehensive simulation drilling test platform and method for engineering geological parameter prediction
  • Indoor large-scale comprehensive simulation drilling test platform and method for engineering geological parameter prediction

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Embodiment 1

[0032] In a typical embodiment of the present invention, such as figure 1 As shown, Embodiment 1 discloses a large-scale comprehensive simulation drilling test platform for engineering geological parameter prediction, including a casing, a rock sample transmission and unloading system, a multi-directional drilling system, a complex geological environment quantitative simulation system, and a data acquisition and processing system. The platform is made of rock blocks in inclined strata, and the specific connection relationship is that a multi-directional drilling system is installed at the end of the rock sample transmission and unloading system, and a complex geological environment quantitative simulation system is installed around the multi-directional drilling system. The quantitative simulation system can cooperate with the multi-directional drilling system to drill the rock sample 20 at the same time, the data acquisition and processing system collects the information of th...

Embodiment 2

[0051] In a typical implementation of the present invention, a large-scale comprehensive simulated drilling test method in the engineering geological parameter prediction room is disclosed, using the large-scale comprehensive simulated drilling test platform in the engineering geological parameter prediction room as claimed in claim 1, the rock The simulation and monitoring of body drilling process includes the following steps:

[0052] 1) Cut and polish the original rock to a suitable size or prefabricate it with similar materials;

[0053] 2) Place the cut and polished raw rock or prefabricated similar rock blocks on the belt conveyor, and open the movable reaction wall 298 .

[0054] 3) The rock sample 20 is transported and installed on the holder 11 of the rock sample 20, and fixed and installed by the locking pin 22. Adjust the hydraulic control system, control the hydraulic push plate 10, load the prefabricated original rock or similar rock blocks on six sides, and simu...

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Abstract

The invention discloses an indoor large-scale comprehensive simulated drilling test platform and method for engineering geological parameter prediction, belongs to the field of civil engineering, can solve the problem that it is difficult to carry out on-site tests at the tunnel construction site, and realize the quantitative characterization of special diagnosis parameters of the engineering geological environment. The test platform It includes a frame body, a pressure applying mechanism, a drill pipe and multiple sensors. The middle part of the frame body has a mounting position for installing rock samples. The pressure applying mechanism is connected to the frame body. The pressure applying end of the pressure applying mechanism faces the mounting position; One end can be drilled into the installation site, the drill pipe is connected to the drill pipe support, and a plurality of sensors are connected to the drill pipe and / or the drill pipe support.

Description

technical field [0001] The invention belongs to the field of civil engineering, and in particular relates to a large-scale comprehensive simulation drilling test platform and a method in an engineering geological parameter prediction room. Background technique [0002] The statements herein merely provide background information related to the present invention and do not necessarily constitute prior art. [0003] Drilling into rocks is often encountered in engineering. For example, in tunnel construction, there are a large number of rocks in the tunnel, which are easily encountered by drilling machines. [0004] In practical engineering applications, rock drillability is usually used as a quantitative index to judge the rock's ability to resist mechanical crushing during drilling. It is the current engineering drilling method to select drilling methods, drill bit structure types, drilling process parameters, measure drilling speed and implement quotas. main basis for manage...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F30/20E21B47/00G09B25/04
CPCE21B47/00G06F30/20G09B25/04Y02A90/30
Inventor 王旌刘正好秦昊门燕青李利平何敬源李术才苏逢彬房忠栋张益杰
Owner SHANDONG UNIV
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