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A device, manufacturing method and application for protecting the bottom pass of an inclinometer hole

A technology of inclinometer hole and hole type, which is applied in the direction of measuring device, electric device, electromagnetic means, etc., can solve the problems that the inclinometer tube is compressed and the inclinometer tube is not significantly compressed, and achieves a neat fracture and a high manufacturing process. Simple, low-cost effect

Inactive Publication Date: 2019-04-19
THREE GORGES VOCATIONAL COLLEGE OF ELECTRIC POWER
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by the present invention is to provide a device, manufacturing method and application for protecting the bottom pass of the inclinometer hole, which can solve the problem of the inclinometer tube being compressed, and ensure that the inner cavity of the inclinometer tube is not significantly damaged at the shearing position. Compression, creating conditions for the instrument to descend as close as possible to the position of the sliding belt

Method used

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  • A device, manufacturing method and application for protecting the bottom pass of an inclinometer hole
  • A device, manufacturing method and application for protecting the bottom pass of an inclinometer hole

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Embodiment Construction

[0014] Such as figure 1 As shown, a device for protecting the bottom of the inclinometer hole includes a hard or semi-rigid plastic tube 1 matching the inner diameter of the inclinometer tube 5, and the hard or semi-rigid plastic tube 1 is sleeved on the On the outer side of the columnar aluminum core 3, the two sides of the longitudinal section of the columnar aluminum core 3 are in a zigzag shape, and a high-strength mortar layer 2 is filled between the hard or semi-rigid plastic pipe 1 and the columnar aluminum core 3, and the mortar layer 2 is resistant to The compressive strength is not less than 50Mpa.

[0015] Rigid or semi-rigid plastic pipe 1 can choose PS pipe, PVC pipe, ABS pipe, PP pipe, etc. The pipe wall should not be too thick, preferably 1-2 mm.

[0016] The two sides of the longitudinal section of the columnar aluminum core 3 are in a zigzag shape, the radius at the tooth tip is 20 mm, and the radius at the tooth root is 5 mm. When the structure is subjected ...

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Abstract

The invention discloses a device for protecting the bottom shape of an inclination testing hole, and the device comprises a hard or semi-hard plastic tube cooperating with the size of the internal diameter of an inclination testing tube. The hard or semi-hard plastic tube is disposed at an outer side of a cylindrical aluminum core, and two side edges of a longitudinal cross section of the cylindrical aluminum core are shaped like a sawtooth. A high-strength screed layer is disposed between the hard or semi-hard plastic tube and the cylindrical aluminum core, and the mortar compressive strength of the high-strength screed layer is not less than 50Mpa. According to the invention, the device can solve a problem that the inclination testing tube is compressed, guarantees that the inner cavity of the inclination testing tube at a cut position is not compressed remarkably, and creates a condition for a purpose that an instrument can go down to get close to a sliding zone as much as possible.

Description

technical field [0001] The invention relates to the technical field of geotechnical engineering monitoring, in particular to a device, a manufacturing method and an application for protecting the bottom pass of an inclinometer hole. Background technique [0002] Landslide geological disaster is the most common type of geological disaster, monitoring and early warning is one of the main engineering measures to deal with landslide geological disaster, and the deep displacement of landslide is usually monitored by borehole inclinometer method. The borehole inclinometer method requires drilling to the vicinity of the slip zone and installing an inclinometer tube. The bottom depth of the inclinometer tube should be lower than the slide zone to enter the stable bedrock. When the landslide produces deep slip, the deep displacement can be calculated by measuring the inclination angle of the inclinometer tube section by section. However, if the deep displacement of the landslide is ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01B7/02
CPCG01B7/02
Inventor 樊新军吴剑王红峡王俊
Owner THREE GORGES VOCATIONAL COLLEGE OF ELECTRIC POWER
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