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Consolidation and penetration measuring device

A technology of measuring device and pressurizing cylinder, which is used in measuring device, permeability/surface area analysis, soil material testing, etc., can solve problems such as difficulty, high friction, inaccurate test results, etc., to reduce errors, use and operate Convenient and solve the effect of difficult sealing

Inactive Publication Date: 2013-06-12
LIAONING TECHNICAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The pressure piston and the cylinder wall of the pressure cylinder are of a closed structure, resulting in a large friction force between the pressure piston and the cylinder wall of the pressure cylinder, and it is very difficult to achieve a complete sealing effect, and the test results are inaccurate

Method used

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  • Consolidation and penetration measuring device

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Embodiment Construction

[0016] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0017] Such as figure 1 As shown, a kind of consolidation penetration measurement device comprises a pressurized cylinder 2, and a pressurized piston 1 is arranged in the pressurized cylinder 2; the pressurized piston 1 can move up and down in the inner cavity of the pressurized cylinder 2, and There is a gap 10 between the pressure piston 1 and the cylinder wall of the pressure cylinder 2, so that water can freely pass between the pressure piston 1 and the cylinder wall of the pressure cylinder 2; in the base 11 of the pressure cylinder 2 A water inlet 3 is provided, and an overflow port 4 is provided at the upper wall of the pressurized cylinder 2, and the overflow port 4 is also a measuring hole.

[0018] An appropriate amount of grooves are provided on the upper surface of the base 11 of the pressurizing cylinder 2 and the lower ...

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PUM

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Abstract

The invention belongs to the technical field of soil test research, and particularly relates to a consolidation and penetration measuring device. The measuring device can carry out a consolidation test and a penetration test at the same time. The consolidation and penetration measuring device enables test operation to be simple and convenient and enables test results to be accurate. The consolidation and penetration measuring device comprises a pressurization cylinder, and is characterized in that a pressurization piston is arranged in the pressurization cylinder; the pressurization piston can move upwards and downwards in an inner cavity of the pressurization cylinder, and gaps are reserved between the pressurization piston and a cylinder wall of the pressurization cylinder; and a water inlet is formed in a base of the pressurization cylinder, and a water overflow port is formed in the cylinder wall on the upper portion of the pressurization cylinder.

Description

technical field [0001] The invention belongs to the technical field of geotechnical test research, and in particular relates to a consolidation penetration test device, which can simultaneously perform a consolidation test and a penetration test. Background technique [0002] In the field of geotechnical test research, in many cases, it is necessary to measure the relationship between soil permeability coefficient and void ratio or unit settlement. The main instrument for soil sample consolidation test in the prior art is the consolidation instrument in the "consolidation test" described in "Standards for Soil Engineering Test Methods" (GB / T50123-1999), and the main instrument for soil sample penetration test It is the constant head permeameter in the "Constant Head Penetrability Test" described in the "Standards for Soil Test Methods" (GB / T50123-1999) and the "variable test" described in the "Standards for Soil Test Methods" (GB / T50123-1999). The variable head osmometer in...

Claims

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Application Information

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IPC IPC(8): G01N33/24G01N15/08
Inventor 海龙隋淑梅李春林周向李博文
Owner LIAONING TECHNICAL UNIVERSITY
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