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Measuring device for soil in moisture content test

A technology of moisture content and soil retaining board, applied in the preparation of test samples, etc., can solve the problems of small sampling quality difference, out-of-tolerance rework, and difficult control of quality accuracy, so as to reduce poor quality, accurate sampling, and increase sampling The effect of precision

Pending Publication Date: 2019-06-18
BEIJING G&M ENG CONSTR CO LTD
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Problems solved by technology

[0005] The purpose of the present invention is to provide a measuring device for soil in water content test, which solves the problem that the soil is taken by hand when doing the water content test of geotechnical engineering, the quality accuracy is difficult to control, and it is easy to appear out of tolerance and redo. The advantage of small difference between sampling and sampling quality

Method used

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  • Measuring device for soil in moisture content test
  • Measuring device for soil in moisture content test
  • Measuring device for soil in moisture content test

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Embodiment Construction

[0036] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0037] refer to figure 1 , which is a measuring device for soil in a moisture content test disclosed by the present invention, comprising a workbench 1, on which a soil retaining plate 2 perpendicular to the top surface of the workbench 1 is fixedly arranged, and on the soil retaining plate 2, a via hole 21 is provided at a position 5cm away from the top surface of the workbench 1, and the diameter of the via hole 21 is 4.5cm. One side is hinged with a triple switch knife 3 for dividing the undisturbed soil 8 on the cutting platform 11. The triple switch knife 3 is three blades parallel to each other, and the distance between adjacent blades is 2cm. Length is less than the width 2-3cm of cutting platform 11. One end of the cutting platform 11 away from the receiving platform 12 is provided with a hollow tube 4 that can measure the undisturbed soil 8 along t...

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Abstract

The invention relates to a measuring device for soil in a moisture content test. The device comprises a working table. A soil baffle perpendicular to the top surface of the working table is fixedly arranged on the working table; and a via hole is formed in the soil baffle. The soil baffle divides the working table into a cutting table and a receiving table; a three-joint switch blade for cutting undisturbed soil on the cutting table is hinged to one side of the cutting table; a hollow tube capable of measuring the undisturbed soil along the length of the cutting table is arranged at one end, away from the receiving table, of the cutting table; and the axis of the hollow tube and the circle center of the via hole are located at the same horizontal line. Besides, a mandril for pushing cylindrical soil measured in the hollow steel tube out of the via hole to the receiving table is arranged in the hollow tube. The measuring device has advantages of accurate sampling and high work efficiency.

Description

technical field [0001] The invention relates to the technical field of geotechnical testing instruments and equipment, in particular to a measuring device for soil in moisture content testing. Background technique [0002] At present, in the determination of the moisture content of the soil test, there is no measuring instrument for soil measurement that can accurately measure the required soil (the specification stipulates that a representative sample of 15-30g should be taken). The soil is basically taken by hand. This kind of operation process is slow and requires extremely high technical proficiency of the operators. The moisture content measurement results are prone to out-of-tolerance rework. The reasons for the above phenomenon are: [0003] 1. Because it is difficult to control the quality of the soil manually, the difference in the quality of the soil taken twice is too large (maybe one 15g, one 30g), and the moisture content is prone to out-of-tolerance phenomenon...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N1/28
Inventor 韩铮甄德鹏郭宝蒋瑞泳
Owner BEIJING G&M ENG CONSTR CO LTD
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