Multifunctional electro-osmotic strengthening equipment for soft clay and testing method

一种多功能、软粘土的技术，应用在土料测试、测量装置、通过电磁手段进行材料分析等方向，能够解决无法同时测量电场等问题

Active Publication Date: 2017-06-20
DALIAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to overcome the shortcomings of the previous test equipment that cannot measure the electric field, flow field, and temperature field at the same time, the present invention provides a kind of equipment, so that the indoor test can not only consider the electroosmotic reinforcement effect under the action of the electric field, but also consider the electric field and temperature at the same time. The field and flow field change during the test, and different boundary conditions can be set according to the equipment to meet the research requirements

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] Such as Figure 1-3 The multifunctional electroosmotic strengthening soft clay equipment shown is composed of a main part I and a measuring part II.

[0029] The main part I includes a sample chamber 1 for containing soil samples, an anode solution chamber 2 for containing test solutions, a cathode solution chamber 3 for collecting liquid seeping out during electroosmosis, an anode 5, and a cathode 6. , Conduit 13 and cover plate; the size of sample chamber 1 is 254mm×50mm×100mm, and a cover plate is provided on the top of sample chamber 1. An anode solution chamber 2 is provided at one end of the sample chamber 1, and a cathode solution chamber 3 is provided at the other end. Both the anode solution chamber 2 and the cathode solution chamber 3 are made of organic glass, and the size is 50mm×50mm×100mm. The anode solution chamber 2 can be adjusted according to the test conditions. An anode 5 is provided between the anode solution chamber 2 and the sample chamber 1, and a...

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PUM

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Abstract

The invention belongs to the technical field of civil engineering, and relates to multifunctional electro-osmotic strengthening equipment for soft clay and a testing method. The equipment consists of a main body part I and a measuring part II, wherein the main body part I comprises a sample chamber, solution chambers, electrodes, a conduit and a cover plate; the measuring part II comprises a power source, a conducting wire and an ammeter. The invention provides a testing device for simultaneously reaching strengthening of electro-osmotic drainage and strengthening of electro-osmotic injection of saline solutions of the soft clay. Different solution conditions are provided in an anode solution chamber to meet research requirements on different soil samples and different electro-osmotic strengthening methods; by measurement of potential distribution, current and temperature of samples and adoption of a control variable method, the research on electro-osmotic strengthening requiring simultaneously considering multi-field change is realized. The equipment can be applied to further research pertinently on electro-osmotic strengthening mechanism preferably.

Description

Technical field [0001] The invention belongs to the technical field of civil engineering, and relates to a test device capable of simultaneously conducting research on soft clay electroosmosis drainage reinforcement and electroosmosis injection of salt solution to reinforce soft clay, and a test method of the device. Background technique [0002] Electro-osmosis reinforcement of soft clay is divided into two directions: electro-osmosis drainage reinforcement and electro-osmosis injection of salt solution reinforcement. The electroosmosis drainage method is to pass direct current into the soil to be reinforced, and achieve the effect of drainage and consolidation through the action of electric field. Because the drainage rate is fast and has nothing to do with the size of the clay particles, the essence of its consolidation is to generate negative pore water pressure in the soil, and there will be no foundation instability due to the low strength of the soil. More and more attent...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N27/00G01N33/24
CPCG01N27/00G01N33/24
Inventor 唐小微田志锋薛志佳
Owner DALIAN UNIV OF TECH
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