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Multifunctional soil state monitoring device

A condition monitoring device and multi-functional technology, which can be used in measuring devices, soil material testing, instruments, etc., can solve problems such as unfavorable large-scale roads and engineering construction, and achieve the effects of high sensitivity, low measurement delay, and prevention of building damage.

Active Publication Date: 2022-04-15
SHIJIAZHUANG TIEDAO UNIV +1
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  • Description
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Problems solved by technology

The melting of plateau permafrost exacerbates the ground instability in permafrost areas and causes more engineering geological problems in permafrost areas, which is not conducive to the construction of large roads and projects

Method used

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  • Multifunctional soil state monitoring device
  • Multifunctional soil state monitoring device
  • Multifunctional soil state monitoring device

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Embodiment Construction

[0037] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0038] Please also refer to Figure 1 to Figure 6 , the multifunctional soil state monitoring device provided by the present invention is now described. The multi-functional soil state monitoring device includes a casing 10, a grating optical fiber strain gauge 20 and a settlement monitoring assembly: inside the casing 10, a plurality of air chambers 110 are sequentially formed along the up and down direction, and each air chamber 110 is formed along the first level There are installation openings 120 in both directions, and the side of each installation opening 1...

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Abstract

The invention provides a multifunctional soil state monitoring device which comprises a shell, a grating fiber strain gauge and a settlement monitoring assembly, a plurality of air chambers are sequentially formed in the shell in the vertical direction, each air chamber is provided with an installation opening in the first horizontal direction, and an avoiding space is formed in the side, away from the air chamber, of each installation opening; two side surfaces distributed along the second horizontal direction on the shell form side compression surfaces; the grating fiber strain gauge is arranged in the mounting opening; a suspension installation space is formed above at least one air chamber, the settlement monitoring assembly is provided with a settlement plate and a pressure transmission structure, the settlement plate is arranged above the shell, the pressure transmission structure is connected with the settlement plate, and a pressure end located in the suspension installation space is formed. The bottom face of the suspension installation space forms a top pressed face used for making contact with the pressure end to be pressed. The device can accurately and synchronously sense soil pressure at different depths, and can accurately and continuously obtain pavement settlement information and frozen soil water content information.

Description

technical field [0001] The invention belongs to the technical field of soil property measurement equipment, and in particular relates to a multifunctional soil state monitoring device. Background technique [0002] In housing construction, highway railway, bridge engineering and earthquake monitoring, in order to prevent soil collapse or landslide, it is necessary to accurately understand the earth pressure in a certain area, the maximum earth pressure that the building objects in this area can bear and the minimum earth pressure that can support the building objects earth pressure. Earth pressure is the product of the interaction between building and soil, and its research on theoretical methods began in the 18th century. Among them, the most famous earth pressure theories are Langine's theory and Coulomb's theory. Therefore, earth pressure exists objectively, and how to consider the influence of earth pressure on the pressure magnitude and distribution of building facili...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01D21/02G01N33/24
Inventor 段君淼刘丁一卢文龙刘海硕苑佳旭尹卓文史远航肖冰洁韩奕沣高阔
Owner SHIJIAZHUANG TIEDAO UNIV
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