CN202757868U - Soil sample pressurizing penetration test device - Google Patents
Soil sample pressurizing penetration test device Download PDFInfo
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- CN202757868U CN202757868U CN 201220426852 CN201220426852U CN202757868U CN 202757868 U CN202757868 U CN 202757868U CN 201220426852 CN201220426852 CN 201220426852 CN 201220426852 U CN201220426852 U CN 201220426852U CN 202757868 U CN202757868 U CN 202757868U
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- soil sample
- head pipe
- water
- penetrating fluid
- experiment device
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Abstract
The utility model discloses a soil sample pressurizing penetration test device. The soil sample pressurizing penetration test device comprises a penetration tester used for testing soil sample permeability coefficients, a water feeder used for providing penetrating fluid for the penetration tester and a pressurization device used for pressurizing the penetrating fluid. The water feeder comprises a feed-water tank, a water head pipe, a valve arranged on the water head pipe and a water pipe connected with the penetration tester and the water head pipe in a communicating mode. The pressurization device is connected on the water head pipe. Due to the fact that the pressurization device can exerts a certain pressure on the penetrating fluid in the penetration test device, the height of water head of a soil sample is increased, and test efficiency is improved.
Description
Technical field
The utility model relates to the soil test technique field, relates in particular to a kind of soil sample pressurization infiltration experiment device.
Background technology
Infiltration experiment device of the prior art mainly is to make water infiltrate sample by the pressure that the head difference in the feed pipe produces, and by measuring head difference and corresponding time, calculates and draws the infiltration coefficient of this soil sample according to corresponding formula.
Disclose " a kind of light controlling device of measuring the infiltration liquid level of soil sample " such as Chinese utility model 201120079748.7, it comprises transparent glass tube, T-shaped conduit, open containers, light source assembly, sensor assembly, signal processor and computing machine; T-shaped conduit vertically inserts in the open containers; Light source assembly comprises modulation signal generator and linear light sources; Sensor assembly comprises photo-detector, prime amplifier, wave detector and digital signal processor; Linear light sources cooperates with photo-detector, the opposed facing both lateral sides that places transparent glass tube; Signal processor comprises data input pin and data output end, and data input pin links to each other with digital signal processor, and data output end links to each other with computing machine.This utility model has overcome the inexactness of people's naked-eye observation level readings and the defective that can't measure in real time.
And for example Chinese utility model 201120551805.7 discloses " being used for measuring the movable light controlling device of soil sample infiltration liquid level ", and it comprises the soil sample container at least, is plugged in the penetrating fluid pipe in the described soil sample container; Also comprise light source assembly and sensor assembly; Described light source assembly comprises linear light source at least; Described sensor assembly comprises a plurality of photo-detectors at least; Described linear light source and described photo-detector are oppositely arranged on the both sides of described penetrating fluid pipe; Described linear light source is along vertical layout of described penetrating fluid pipe, and a plurality of described photo-detectors are by the longitudinally-moving setting of sensor support base along described penetrating fluid pipe.The photo-detector negligible amounts that the light controlling device of this utility model is required has reduced the cost that installs, and also by adjustable way, has improved the applicability of device.On the other hand, gather and data volume greatly reduce, reduced again the data processing work amount in later stage, measuring accuracy also can satisfy actual demands of engineering, has larger practicality and promotional value in engineering practice.
But for the testing permeability of soil sample, because the length of feed pipe is generally more limited, the pressure that can provide is limited, so required test duration of test method of the prior art and above-mentioned test unit is longer.And existing test method and test unit easily produce the disturbance of soil sample and cause leakage problems between cutting ring and soil sample.
Therefore, those skilled in the art is devoted to develop a kind of soil sample pressurization infiltration experiment device to address the above problem.
The utility model content
Because the above-mentioned deficiency of prior art, the technical problems to be solved in the utility model provides a kind of soil sample pressurization infiltration experiment device, can strengthen as required seepage pressure in the testing permeability process of soil sample, thereby improve test efficiency.
For solving the problems of the technologies described above, the utility model provides a kind of soil sample pressurization infiltration experiment device, comprise the permeation testing instrument for test soil sample infiltration coefficient, and provide the water-feed of penetrating fluid and the pressurized equipment that pressurizes to described penetrating fluid to described permeation testing instrument; Described water-feed comprises supply tank, head pipe, is arranged on the valve on the described head pipe, and conducting connects the water pipe of described permeation testing instrument and described head pipe; Described pressurized equipment is connected on the described head pipe.
Better, described pressurized equipment is gas boosting equipment, described gas boosting equipment is connected on the described head pipe with manometric pneumatic tube by one.
Better, described pneumatic tube is set in the outer circumferential side of head pipe.
Better, described pressurized equipment is the oil pressure pressurized equipment.
The beneficial effects of the utility model are:
Soil sample pressurization infiltration experiment device of the present utility model can apply to the penetrating fluid in the infiltration experiment device certain pressure, thereby improve the head height of sample because said structure has been set up pressurized equipment, has improved test efficiency.
Soil sample pressurization infiltration experiment device of the present utility model is simple to operation, and required time is also shorter, both can increase work efficiency, and has improved again the accuracy of test result, and this test unit is compared the following advantage of tool with traditional infiltration experiment device:
1, can strengthen seepage pressure, thereby improve test efficiency;
When 2, carrying out permeability test, can apply consolidation pressure in soil sample;
3, can avoid soil sample because the cutting ring that disturbance causes and the seepage between soil sample;
4, the mensuration of the coefficient of consolidation be can carry out, the coefficient of consolidation and infiltration coefficient correlative study set up;
5, can carry out the initial water table gradient research of soil sample; Can carry out in case of necessity the mensuration of the precosolidation pressure of routine consolidation test and shallow soil.
Be described further below with reference to the technique effect of accompanying drawing to design of the present utility model, concrete structure and generation, to understand fully the purpose of this utility model, feature and effect.
Description of drawings
Fig. 1 is the structural representation of an embodiment of the present utility model.
Fig. 2 is the structural representation of another embodiment of the present utility model.
Embodiment
As shown in Figure 1, a kind of soil sample pressurization infiltration experiment device one specific embodiment of the present embodiment, comprise the permeation testing instrument 3 for test soil sample infiltration coefficient, and provide the water-feed of penetrating fluid and the pressurized equipment 1 that pressurizes to described penetrating fluid to permeation testing instrument 3.
Water-feed comprises supply tank 2, head pipe 7, is installed in the valve 6 on the head pipe 7, and conducting connects the water pipe 8 of permeation testing instrument 3 and head pipe 7.
Pressurized equipment 1 is connected on the head pipe 7.
Concrete, described pressurized equipment 1 is gas boosting equipment, described gas boosting equipment is directly connected on head pipe 7 one terminations by a pneumatic tube 5 with tensimeter 4.
Obviously, in other embodiments, pneumatic tube 5 also can be set in the outer circumferential side of head pipe 7 as shown in Figure 2, and pressurized equipment 1 also can the oil pressure pressurized equipment.
Exemplary, application of the present utility model is as follows:
6 pairs of infiltration instruments of valve 3 of opening water-feed inject an amount of penetrating fluid, and then valve-off 6.
According to the needs of test soil sample, open 1 pair of penetrating fluid of pressurized equipment and apply certain pressure again, then use the infiltration instrument to finish whole test, permeation testing instrument is prior art, and this paper repeats no more.
More than describe preferred embodiment of the present utility model in detail.Should be appreciated that those of ordinary skill in the art need not creative work and just can make many modifications and variations according to design of the present utility model.Therefore, all in the art technician comply with design of the present utility model on the basis of existing technology by the available technical scheme of logical analysis, reasoning, or a limited experiment, all should be in the determined protection domain by claims.
Claims (4)
1. a soil sample pressurization infiltration experiment device comprises the permeation testing instrument for test soil sample infiltration coefficient; It is characterized in that: also comprise to described permeation testing instrument providing the water-feed of penetrating fluid and the pressurized equipment that pressurizes to described penetrating fluid; Described water-feed comprises supply tank, head pipe, is arranged on the valve on the described head pipe, and conducting connects the water pipe of described permeation testing instrument and described head pipe; Described pressurized equipment is connected on the described head pipe.
2. soil sample as claimed in claim 1 pressurization infiltration experiment device, it is characterized in that: described pressurized equipment is gas boosting equipment, described gas boosting equipment is connected on the described head pipe with manometric pneumatic tube by one.
3. soil sample as claimed in claim 2 pressurization infiltration experiment device, it is characterized in that: described pneumatic tube is set in the outer circumferential side of head pipe.
4. soil sample as claimed in claim 1 pressurization infiltration experiment device, it is characterized in that: described pressurized equipment is the oil pressure pressurized equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220426852 CN202757868U (en) | 2012-08-27 | 2012-08-27 | Soil sample pressurizing penetration test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220426852 CN202757868U (en) | 2012-08-27 | 2012-08-27 | Soil sample pressurizing penetration test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202757868U true CN202757868U (en) | 2013-02-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220426852 Expired - Fee Related CN202757868U (en) | 2012-08-27 | 2012-08-27 | Soil sample pressurizing penetration test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202757868U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112782055A (en) * | 2021-01-06 | 2021-05-11 | 中国建筑股份有限公司 | Penetration test device |
| CN112834403A (en) * | 2021-01-06 | 2021-05-25 | 中国建筑股份有限公司 | Penetration test method |
-
2012
- 2012-08-27 CN CN 201220426852 patent/CN202757868U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112782055A (en) * | 2021-01-06 | 2021-05-11 | 中国建筑股份有限公司 | Penetration test device |
| CN112834403A (en) * | 2021-01-06 | 2021-05-25 | 中国建筑股份有限公司 | Penetration test method |
| CN112782055B (en) * | 2021-01-06 | 2023-01-03 | 中国建筑股份有限公司 | Penetration test device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130227 Termination date: 20210827 |