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Two-dimensional vector measurement method of geotechnical frost heave and thaw subsidence

A frost heave thaw sink, two-dimensional vector technology, used in measuring devices, instruments, etc.

Inactive Publication Date: 2016-04-27
XINJIANG INST OF WATER RESOURCES & HYDRAULIC POWER
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

It overcomes the technical defect that the traditional monitoring method uses one-dimensional vertical deformation or normal deformation as the frost heaving and thawing settlement, and has the function of temperature monitoring

Method used

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  • Two-dimensional vector measurement method of geotechnical frost heave and thaw subsidence
  • Two-dimensional vector measurement method of geotechnical frost heave and thaw subsidence
  • Two-dimensional vector measurement method of geotechnical frost heave and thaw subsidence

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Embodiment Construction

[0022] The present invention is further described in conjunction with accompanying drawings, and specific embodiments are given.

[0023] as attached figure 1 , 2 The outer casing 6 of the two-dimensional vector geotechnical frost heaving and thawing settlement meter 13 is made of stainless steel, sealed with a sealing plug 10, and a relatively airtight sealing cavity 9 is formed in the outer casing 6 to enhance the corrosion resistance of the equipment , stability and durability. An angle sensor 1 and an angle sampling point circuit 4 connected thereto, a temperature sensor 3 and a displacement sensor 2 are sequentially integrated from top to bottom in the sealed cavity 9, and each sensor element is isolated from the shell with an insulating material; One end has a port 16, the displacement transmission rod 5 is connected and fixed with the displacement sensing end 17 of the displacement sensor 2 through the port 16, the displacement transmission rod 5 can telescopically mo...

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Abstract

The invention discloses a rock-soil frost heaving thawed collapse two-dimensional vector measuring method. A rock-soil frost heaving thawed collapse two-dimensional meter related in the rock-soil frost heaving thawed collapse two-dimensional vector measuring method solves deformation amount of frost heaving thawed collapse deformation in the normal direction and the tangential direction or vectors of the frost heaving thawed collapse deformation by monitoring the angle variable quantity and the displacement variable quantity, the frost heaving thawed collapse deformation amount in the tangent direction and the frost heaving thawed collapse deformation amount in the normal direction are synchronously monitored in a two-dimensional plane, the rock-soil frost heaving thawed collapse amount is determined, and the aim of monitoring the frost heaving thawed collapse deformation is achieved. The technical defect that in a traditional monitoring method, the one-dimensional vertical deformation amount or the one-dimensional normal deformation amount serves as the frost heaving thawed collapse amount is overcome, and meanwhile the temperature monitoring function is achieved. Reliable and accurate monitoring data can be provided for frost heaving thawed collapse deformation of channel slopes in severe cold areas and cold areas.

Description

Technical field: [0001] The method for two-dimensional vector measurement of frost heaving and thawing settlement of rock and soil of the invention belongs to a rock and soil monitoring method, in particular to a method for monitoring the value of rock and soil frost heaving and thawing settlement. Background technique: [0002] At present, there are mainly three monitoring methods for the amount of frost heaving (thawing settlement) in severe cold and cold areas: (1) The method of elevation observation: the amount of frost heave (thawing settlement) is measured by using the observation point relative to the reference point for elevation observation, The measuring instrument is a level, and the base point of observation refers to the leveling points of the third and fourth leveling network of the national elevation. By observing the vertical displacement, it is used as the change value of the amount of frost heave (thaw settlement). The problems of this observation method ar...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01B21/32
Inventor 吴艳周富强何建村郭谨戴灿伟沈志刚邓建伟曲传勇田伟孟波毛建刚
Owner XINJIANG INST OF WATER RESOURCES & HYDRAULIC POWER
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