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Ultrasonic vacuum preloading method

A vacuum preloading method and ultrasonic technology, which are applied in soil protection, construction, infrastructure engineering, etc., can solve the problems of blockage, vacuum degree transfer and drainage consolidation effect in silty soil area, and poor construction effect of silty soil. and other problems, to achieve the effect of saving construction costs and speeding up the flow rate

Inactive Publication Date: 2014-03-26
邓立新
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Problems solved by technology

[0006] According to the test, when the vacuum preloading soft foundation treatment is carried out on muddy soil, the filter cloth of the plastic drainage board will appear obvious clogging phenomenon after 30 days of vacuuming, and the muddy soil area outside the radius of 20cm centered on the plastic drainage board The vacuum transmission and drainage consolidation effect will be significantly reduced
[0007] In order to strengthen the effect of vacuum preloading soft ground treatment on muddy soil and meet the requirements of engineering design, the existing vacuum preloading soft ground treatment technology usually increases the density of plastic drainage boards and prolongs the construction of vacuum preloading soft ground treatment. However, it still cannot solve the clogging phenomenon of muddy soil layer and plastic drainage board filter cloth, and the construction effect of vacuum preloading soft foundation treatment for muddy soil is still not good

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Effect test

Embodiment 1

[0024] Such as figure 1 As shown, the construction operation of implementing the ultrasonic vacuum preloading method on a soft foundation treatment area of ​​silty soil is carried out according to the following implementation steps:

[0025] 1) Arrange ultrasonic operation point 1 in the vacuum preloading soft ground treatment area;

[0026] 2) Install the ultrasonic power supply 2 in the vacuum preloaded soft ground treatment area, and connect the ultrasonic power supply 2 to the ultrasonic transducer 4 through the special ultrasonic cable 3;

[0027] 3) During the construction work of vacuuming and drainage consolidation by the vacuum device 6 in the vacuum preloading construction, start the ultrasonic power supply 2, and use the ultrasonic transducer 4 at the ultrasonic operation point 1 to treat the soft soil layer in the soft foundation treatment area 7 Perform ultrasonic treatment.

[0028] During the construction of soft ground treatment by ultrasonic vacuum preloadi...

Embodiment 2

[0032] Such as figure 2 As shown, the construction operation of ultrasonic vacuum preloading method is implemented in a soft foundation treatment area of ​​muddy soil:

[0033] 1) Arrange ultrasonic operation point 1 in the vacuum preloading soft ground treatment area;

[0034] 2) Install the ultrasonic power supply 2 in the vacuum preloaded soft ground treatment area, and connect the ultrasonic power supply 2 to the ultrasonic transducer 4 through the special ultrasonic cable 3;

[0035] 3) During the construction work of vacuuming and drainage consolidation by the vacuum device 6 in the vacuum preloading construction, start the ultrasonic power supply 2, and use the ultrasonic transducer 4 at the ultrasonic operation point 1 to treat the soft soil layer in the soft foundation treatment area 7 Perform ultrasonic treatment.

[0036] During the construction of soft ground treatment by ultrasonic vacuum preloading method, every 100m of the vacuum preloaded soft ground treatme...

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Abstract

The invention relates to a soft foundation vacuum preloading processing method, in particular to an ultrasonic vacuum preloading method. According to technical scheme, the method includes the steps of laying an ultrasonic operation point in a soft foundation vacuum preloading processing region, installing an ultrasonic power supply and an ultrasonic transducer, and turning on the ultrasonic power supply and using the ultrasonic transducer to carrying out ultrasonic treatment on a soft soil layer in the soft foundation processing region in the vacuum preloading vacuumization and drainage consolidation process. Through the technical scheme, the phenomena that capillary drainage channels and plastic drainage plate filter cloth in the soft soil layer in the vacuum preloading construction process are blocked can be effectively eliminated, and new capillary drainage channels are established in the soft soil layer, so that the flow rate of the air and water are increased. Through the method, the vacuum preloading construction effect can be obviously improved, the construction cycle can be shortened, and construction cost is saved. The ultrasonic vacuum preloading method is especially applicable to for soft foundation vacuum preloading processing construction on mucky soil.

Description

technical field [0001] The invention relates to a vacuum preloading soft ground treatment method, in particular to an ultrasonic vacuum preloading method. Background technique [0002] Vacuum preloading method is the main method of soft foundation treatment engineering construction. The existing vacuum preloading method has common difficulties in the soft foundation treatment of muddy soil, the main reasons are: [0003] 1) The permeability of silty soil is extremely low, and it is very difficult to transfer vacuum and carry out drainage consolidation in silty soil; [0004] 2) The solid particles of silty soil are extremely fine, and contain a large amount of flocculent or colloidal organic matter. Fine solid particles and organic matter in silty soil are easy to block the capillary in the soil during vacuum preloading drainage consolidation. Filter cloths for drainage channels and plastic drainage panels; [0005] 3) Most of the areas where vacuum preloading soft founda...

Claims

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Application Information

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IPC IPC(8): E02D3/10
Inventor 邓立新
Owner 邓立新
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