Embedding device of soil moisture content sensor
A technology of soil moisture content and sensors, which is applied in the field of foundation soil survey, construction, and basic structure engineering, etc. It can solve the problems of affecting soil stability, easy distortion of moisture content, and large disturbance of soil structure, so as to achieve small disturbance, The effect of accurate moisture content results
Inactive Publication Date: 2013-01-23
CHANGJIANG RIVER SCI RES INST CHANGJIANG WATER RESOURCES COMMISSION
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Problems solved by technology
This method mainly has the following problems: (1) The excavation of the pit greatly disturbs the original soil structure, which affects the stability of the soil; (2) It is not easy to excavate the pit for the part with a large buried depth and a complex soil structure; 3) The pit excavation requires a certain working surface, and at the same time, the difference in the backfill soil makes the measured moisture content easy to be distorted
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[0016] The technical solution in the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the present invention.
[0017] figure 1 Shown is a schematic structural view of the probe hole-forming part in the embedding device of the soil moisture sensor in the embodiment of the present invention, including a drill pipe 1, a positioning guide tube 2 and a probe hole-forming device 3, and the positioning guide tube 2 is provided with a cross Guide groove 10 (please refer to Figure 5 and Image 6 ), the positioning catheter 2 is placed in the pre-drilled hole groove, which is used for the positioning of the probe hole forming device 3 when forming a hole. The positioning conduit 2 can be a ready-made product inclinometer tube, the length of the inclinometer tube should be appropriately greater than the actual embedding depth, so that the upper end can be easily fixed, and the inclinometer tube can be taken out after the...
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The invention provides an embedding method of a soil moisture content sensor, comprising a drill rod, a positioning guide pipe, a probe hole former, a pressing member and a sleeving member, wherein the positioning guide pipe is placed in a pre-drilled slot and used for positioning when the probe hole former is used for forming a hole and the soil moisture content sensor equipped with the sleevingmember is embedded; the probe hole former is fixed on the bottom of the drill rod and used for drilling the probe hole; the pressing member is fixed on the bottom of the drill rod after the probe hole is formed; the soil moisture content sensor is sleeved into the pressing member after being equipped with the sleeving member and is pressed into the probe hole. The positioning guide pipe is helpful to the hole-forming positioning of the probe hole former and the embedding positioning of the soil moisture content sensor equipped with the sleeving member, thus the position coincidence between a probe of the soil moisture content sensor and the probe hole formed by the probe hole former can be ensured; the embedding device is particularly applied to conveniently embedding the soil moisture content sensor in the special environments, such as a deeper soil layer, or hard soil, or soft rock and the like; and the accurate moisture content result tested by the soil moisture content sensor can be ensured.
Description
technical field [0001] The invention relates to soil water content testing, in particular to an embedding device for a soil water content sensor. Background technique [0002] Soil moisture content sensors are mainly used for field moisture content testing in a wide range of fields such as water conservancy projects, roadbeds, slopes, farmland irrigation, gardens, etc., and the quality of moisture content sensors is directly related to the accuracy and stability of moisture content testing. Therefore, similar to the special construction environment conditions of water conservancy projects, how to bury the soil moisture sensor easily and efficiently is the hope of field technicians. [0003] There are many methods for measuring soil moisture content, mainly including: drying weighing, neutron moisture meter, impedance soil moisture sensor, piezoresistive soil moisture meter, soil moisture probe and so on. Among them, drying and weighing soil moisture content is the most accu...
Claims
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IPC IPC(8): E02D1/02
Inventor 刘鸣刘军龚壁卫程永辉胡波宋建平邹荣华谭峰屹
Owner CHANGJIANG RIVER SCI RES INST CHANGJIANG WATER RESOURCES COMMISSION