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A method for testing the corrosion depth of cement-soil piles

A technology for cement-soil piles and corrosion depth, which is applied in the fields of geotechnical engineering and soil mechanics, and can solve the problems of public reporting and use of devices or methods for the corrosion depth of un-cemented soil piles.

Active Publication Date: 2021-09-10
QINGDAO TECHNOLOGICAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, there is no reasonable, effective, and public report and application of a device or method for directly testing the corrosion depth of cement-soil piles.

Method used

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  • A method for testing the corrosion depth of cement-soil piles
  • A method for testing the corrosion depth of cement-soil piles
  • A method for testing the corrosion depth of cement-soil piles

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0025] This embodiment is realized by using a cement-soil pile corrosion depth testing device, and the specific process is as follows:

[0026] (1) The base bracket 1 is welded first, and then the beam 16 and the diagonal brace 19 are welded to the base bracket 1 to ensure that the beam 16 is welded to the axis of symmetry of the base bracket 1, as Figure 4 As shown, after the beam 16 is welded, the position of the motor 13 is determined, and the motor supporting plate 17 is welded to the beam 16;

[0027] (2) Weld the steel teeth 15 to both surfaces of the force application rod 4, install the gear 14 and the force application rod 4 welded with the steel teeth 15, ensure that there is no looseness between the gear 14 and the force application rod 4, after fixing, put the The motor 13 is installed on the motor support plate 17 with high-strength bolts to ensure that the gear 14 on the motor 13 and the steel teeth 15 are tightly engaged;

[0028] (3) After installing the force...

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Abstract

The invention belongs to the technical field of geotechnical engineering and soil mechanics, and relates to a method for testing the corrosion depth of cement-soil piles. Firstly, a cement-soil pile corrosion depth testing device is installed, and then the entire device is placed in a soil tank, and four reaction force nuts are adjusted. Make the whole device close together between the cement-soil pile and the reaction plate without loosening; then after adjusting the probe, connect the spoke sensor to the test computer through the transmission wire and turn on the power for testing. The test value of the spoke sensor determines whether the cement soil is corroded, and the corrosion depth of the cement soil pile is determined by the working time of the motor; its design is scientific, the structure is simple, the test performance is superior, comprehensive, reliable, high operability, low cost, and intuitive It reflects the corrosion depth of cement-soil piles and the change of strength in the erosive environment, so as to quantify the corrosion depth and long-term bearing capacity of cement-soil piles.

Description

Technical field: [0001] The invention belongs to the technical field of geotechnical engineering and soil mechanics, and relates to a quantitative evaluation method for the corrosion depth of cement-soil piles, in particular to a method for testing the corrosion depth of cement-soil piles, which can directly test the corrosion of cement-soil piles in an erosive environment Depth, used to quantify the corrosion depth of cement-soil and predict the long-term bearing capacity of cement-soil piles in erosive environments. Background technique: [0002] Cement-soil piles are used as composite foundations of buildings (structures), anti-seepage and water-proof curtains, and retaining structures due to their advantages of strong integrity, flexible design, convenient construction, low noise, low cost, and small additional settlement. It is widely used in land and water conservancy projects, especially with the expansion of the scale of cross-sea bridges, subsea tunnels, ports and c...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02D33/00E02D31/06
Inventor 闫楠桑松魁张骞王森
Owner QINGDAO TECHNOLOGICAL UNIVERSITY
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