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A non-destructive and non-polluting high-precision measurement method for rock mass density

A measurement method and technology of bulk density, which can be used in measuring devices, specific gravity measurement, instruments, etc., can solve the problems of low cost, high cost, no pollution, etc., and achieve the effect of fast speed

Inactive Publication Date: 2016-09-07
INST OF GEOCHEM CHINESE ACADEMY OF SCI
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

It solves the problem that the existing methods cannot meet the factors of fast, non-destructive, non-polluting, high-precision, low-cost and high-cost at the same time

Method used

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  • A non-destructive and non-polluting high-precision measurement method for rock mass density

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Experimental program
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Embodiment Construction

[0019] Steps

[0020] (if attached figure 1 )

[0021] 1. Turn on the power of the ideal gas density meter, set the working parameters of the instrument and select the corresponding gas category, calibrate the Va and Vc of the instrument according to the requirements of the instrument manual, and then measure the standard metal ball, and set the tolerance as 0.03%, to ensure that the test of the standard sample can be successfully completed.

[0022] 2. Use an analytical balance with a precision of 0.1 mg to weigh and record the mass of the rock sample to be tested.

[0023] 3. Put the rock sample after mass determination into a medical-grade balloon, connect the mouth of the balloon to the suction pipe of the vacuum pump, turn on the switch of the vacuum pump, wait until the gas in the balloon is evacuated, and tie the balloon tightly from the neck, close the Turn off the vacuum pump switch, and then use scissors to cut off the excess part at the balloon mouth.

[0024] 4...

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Abstract

The invention discloses a high-precision determining method of the rock volume density without loss and pollution. The high-precision determining method comprises the following steps of: weighing rocks by virtue of a balance, filling the rocks into a medical grade balloon, pumping air in the balloon by virtue of a vacuum pump, tying a knot at the neck part of the balloon, determining the volumes of the rocks and the balloon after being packaged by virtue of an ideal air densimeter, shearing the balloon, taking out the rocks, and putting the shorn balloon into the ideal air densimeter to determine the volume of the balloon, thus obtaining the volume density of the rocks by virtue of calculation finally. The high-precision determining method has the characteristics of simpleness in operation, rapidness, no loss, no pollution, high precision and the like.

Description

Technical field: [0001] The invention relates to a new high-precision measurement method for rock body density, which can be especially applied to the high-precision measurement of non-destructive and pollution-free body density of extraterrestrial rock samples. Background technique: [0002] The volume density of the rock is a very important parameter. The determination of the volume density of the rock is to obtain the volume density by calculating the total volume of the rock. For rocks, the volume and density directly obtained by the ideal gas densitometer belong to the particle volume and particle density, respectively, while the particle volume and particle density of rocks with zero porosity are equal to the total volume and bulk density, respectively. Therefore, it is difficult to obtain the density of the rock body, and the premise is that the total volume of the rock must be accurately determined. [0003] So far, there are six methods that can be used to determin...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N9/02
Inventor 李世杰王世杰李雄耀李阳
Owner INST OF GEOCHEM CHINESE ACADEMY OF SCI
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