Double-lever high-temperature, high-pressure and unsaturated consolidometer

A dual-lever, consolidation instrument technology, used in soil material testing, material inspection products, and testing material strength by applying repetitive force/pulse force. high precision effect

Inactive Publication Date: 2012-01-18
TONGJI UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

For example, one of the current research hotspots is to simulate the consolidation characteristics of high-compacted bentonite, the buffer/backfill material in the deep geological repository of high-level

Method used

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  • Double-lever high-temperature, high-pressure and unsaturated consolidometer
  • Double-lever high-temperature, high-pressure and unsaturated consolidometer
  • Double-lever high-temperature, high-pressure and unsaturated consolidometer

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Embodiment Construction

[0047] The present invention will be further described below in conjunction with the embodiments shown in the accompanying drawings.

[0048] figure 1 It is a structural schematic diagram of an embodiment of the present invention. As shown in the figure, the double-lever high-temperature, high-pressure unsaturated consolidation instrument of the present invention includes: a pressure chamber 1 , a suction control device 2 , a temperature control box 3 , a double-lever loading device 4 and a digital deformation measurement device 5 . The pressure chamber 1 is fixed in the temperature control box 3, and the temperature of the pressure chamber 1 is controlled by the temperature control box 3; the suction control device 2 is placed in the temperature control box 3, connected to the pressure chamber 1 through a conduit, and controls the suction of the pressure chamber 1 The temperature control box 3 is placed on the platform of the double-lever loading device 4; the double-lever l...

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Abstract

The invention discloses a double-lever high-temperature, high-pressure and unsaturated consolidometer, which comprises a pressure chamber, a suction control device, a temperature control box, a double-lever loading device and a deformation measuring device, wherein the pressure chamber is fixed in a temperature control box; the suction control device is arranged in the temperature control box, is connected with the pressure chamber and is used for controlling the suction of the pressure chamber; the temperature control box is arranged on a platform of the double-lever loading device for controlling temperature of the pressure chamber; the double-lever loading device is used for supporting the temperature control box and applying pressure to the pressure chamber in the temperature control box; and the top end of the deformation measuring device is fixedly arranged on the double-lever loading device, and the bottom end of the deformation measuring device is arranged on the pressure chamber for measuring displacement of a sample. In the consolidometer, the double-lever loading device, the suction control device and the temperature control box are adopted to realize the experimental study of volume change characteristic of the sample under high-pressure, full suction range and temperature control conditions.

Description

technical field [0001] The invention relates to the field of geotechnical engineering test research, and relates to a kind of geotechnical test equipment, in particular to a double-lever high-temperature, high-pressure unsaturated consolidation instrument. Background technique [0002] The unsaturated consolidation instrument is mainly used to study the volume change characteristics of unsaturated soil. The existing unsaturated consolidation instrument includes: bench, sample box, air pressure chamber, loading system, drainage system, deformation measurement system, pore pressure and load measurement system and other components. Among them, the sample box is composed of a base, a positioning ring, etc., and the sample is placed inside, and the high air intake value clay plate is placed under the sample, and a spiral groove is set at the bottom of the sample box. The lower part of the air pressure chamber is a cylindrical metal base for installing the sample box, and the upp...

Claims

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Application Information

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IPC IPC(8): G01N33/24G01N3/36
Inventor 叶为民张亚为郑赈济李希明陈宝陈永贵崔玉军
Owner TONGJI UNIV
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