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Test device for preparing ultra-soft soil sample and implementation method thereof

A test device and ultra-soft soil technology are applied in the field of ultra-soft soil sample preparation, which can solve the problem that it is difficult to obtain homogeneous ultra-soft soil with high water content. In order to achieve the effect of saving sampling cost, low strength and high moisture content

Pending Publication Date: 2021-03-16
WENZHOU UNIVERSITY
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the procedures required to directly obtain ultra-soft soil samples at offshore engineering sites or on the seabed are extremely complex and costly, and it is difficult to obtain homogeneous ultra-soft soil samples with high water content and under-consolidation by common indoor soil sample preparation methods. in experimental research

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  • Test device for preparing ultra-soft soil sample and implementation method thereof
  • Test device for preparing ultra-soft soil sample and implementation method thereof
  • Test device for preparing ultra-soft soil sample and implementation method thereof

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Embodiment Construction

[0013] The present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments. Wherein the same components are denoted by the same reference numerals. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to the directions in the drawings, and the words "bottom" and "top "Face", "inner" and "outer" refer to directions toward or away from, respectively, the geometric center of a particular component.

[0014] refer to Figure 1-6 As shown, the present invention provides a test device for preparing ultra-soft soil samples, including a vacuum stirring device, a consolidation drainage device and a drainage monitoring device, the vacuum stirring device includes a vacuum container 1, and a stirring device 2 is arranged in the vacuum container , the stirring device is preferably a rotary stirring knife head. The consolidated drainage device includes a mo...

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Abstract

The invention discloses a test device for preparing an ultra-soft soil sample, which comprises a vacuum stirring device, a consolidation drainage device and a drainage monitoring device. The vacuum stirring device is connected with the consolidation drainage device through a sliding plate, the top of the vacuum stirring device is connected with an air extractor through an air extraction pipe, andthe consolidation drainage device is connected with the drainage monitoring device through a drainage pipe. The test device can be used for preparing an ultra-soft soil sample which can fully reflectthe properties of a soil body, is uniform in texture and has repeatability and of which the water content can be accurately controlled, is used for related test researches, and effectively saves the field sampling cost.

Description

technical field [0001] The invention relates to the technical field of marine civil engineering, in particular to a test device for preparing super-soft soil samples, and also relates to a method for preparing super-soft soil samples by the test device for preparing super-soft soil samples. Background technique [0002] In recent years, with the vigorous development of land resources and the increasing scarcity, countries around the world have paid more and more attention to the development and utilization of marine space environment and oil and gas energy. However, engineering problems caused by ultra-soft soils are often encountered in coastal tidal reclamation projects and submarine energy exploitation projects, such as: the reinforcement of ultra-soft soil foundations in tidal reclamation areas, oil and gas pipelines on super-soft soils on the seabed surface Laying problems, submarine landslides caused by waves or earthquakes, etc. In order to solve these engineering pr...

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Application Information

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IPC IPC(8): G01N1/28G01N1/38
CPCG01N1/28G01N1/38
Inventor 范宁王军初相如郭林姜建雄袁国辉
Owner WENZHOU UNIVERSITY