Slip casting diffusion testing device and testing method using same

A diffusion test and grouting technology, which is used in measurement devices, suspension and porous material analysis, permeability/surface area analysis, etc. To achieve the effect of easy operation, high reusability and high rigidity

Active Publication Date: 2015-02-25
SHANDONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0008] 1. The structure of the test device is simple and the reuse rate is low
[0009] 2. The pressure bearing capacity of the device is small and the sealing perf

Method used

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  • Slip casting diffusion testing device and testing method using same
  • Slip casting diffusion testing device and testing method using same
  • Slip casting diffusion testing device and testing method using same

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Embodiment Construction

[0045] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0046] figure 1 , a new grouting diffusion test device, including a column-shaped permeation device and a monitoring system.

[0047]The cylindrical infiltration device is composed of a balance chassis 1, an inlet cabin 2, a steel ring welded quick clamp joint 6, a cylindrical steel pipe 9, and an outlet cabin 12 connected. The inlet compartment 2 is equipped with a perforated plate 4 and a filter screen 5. The diameter of the circular hole of the perforated plate is Φ=4mm; the cylindrical steel pipe 9 has an outer diameter of 108mm, a height of 200mm or 400mm, and a wall thickness of 5mm. The inner wall of the cylindrical steel pipe is frosted, and the upper edge is concave. The groove and the lower edge are bosses, and the cylindrical steel pipe is divided into two pieces of fastening type. The edge of the left piece is a boss, and the edge of the ri...

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Abstract

The invention discloses a slip casting diffusion testing device. The slip casting diffusion testing device comprises a columnar permeation device and a monitoring system, wherein the columnar permeation device comprises a columnar steel pipe, and an entrance cabin and an exit cabin which are mounted at the two ends of the columnar steel pipe; porous plates and filter screens are mounted among the entrance cabin, the exit cabin and the columnar steel pipe; each of the entrance cabin and the exit cabin is provided with a slurry inlet and a slurry outlet which are communicated with the cabin; the top of the exit cabin is provided with a full-thread compaction screw rod which stretches into the exit cabin; the inner wall of the columnar steel pipe is frosted and is uniformly coated with grease; the columnar steel pipe is composed of a plurality of sections of single body steel pipes which are mutually nested by using steel ring welding type rapid hoop connectors; and each section of single body steel pipe is formed by mutually buckling two semicircular bodies which are vertically symmetrical. Meanwhile, the invention further discloses a testing method of the device. The slip casting diffusion testing device is simple to operate, and has an adjustable size, high bearing performance and strong sealing performance; and side wall effects can be eliminated and key parameters of slip casting can be monitored in real time.

Description

technical field [0001] The invention relates to a grouting diffusion test device and a test method thereof. Background technique [0002] The grouting method is widely used in disaster management of various unfavorable geological bodies because of its simple operation and small disturbance to rock and soil. Related fields involve water conservancy and hydropower engineering, transportation engineering, and mine underground engineering. The development of the grouting method is inseparable from a large number of model tests. Scholars at home and abroad have developed a series of test devices, which have promoted the development of grouting theory to a certain extent and provided guidance for engineering practice. However, the diffusion of grout in the injected medium is concealed, and it is still difficult to track and observe the diffusion state of the grout with the current technology. In addition, the diffusion of grout is affected by multiple factors such as the grouting ...

Claims

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Application Information

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IPC IPC(8): G01N15/08
Inventor 冯啸刘人太李术才张乐文韩伟伟孙子正王洪波王健赵少龙
Owner SHANDONG UNIV
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