CN206960314U - The bicyclic water injection test device of testing pits of water can be added - Google Patents
The bicyclic water injection test device of testing pits of water can be added Download PDFInfo
- Publication number
- CN206960314U CN206960314U CN201720951130.2U CN201720951130U CN206960314U CN 206960314 U CN206960314 U CN 206960314U CN 201720951130 U CN201720951130 U CN 201720951130U CN 206960314 U CN206960314 U CN 206960314U
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- water
- bicyclic
- seeping container
- test device
- container
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- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The utility model provides a kind of bicyclic water injection test device of testing pits for adding water, a kind of bicyclic water injection test device of testing pits for adding water, including inner ring and outer rings, the inner ring passes through the first water pipe water filling by the first seeping container, the outer shroud passes through the second water pipe water filling by the second seeping container, the inner ring top offers circular spout hole, spout hole horizontal connection overflow pipe, water in the overflow pipe draws back the first seeping container by booster pump by return duct, first seeping container and the second seeping container open top, first seeping container vertically sets graduation mark.The device conveniently adds water, avoids the bulk container of closing, facilitates field to carry, and can be applied to the bicyclic water injection test of soil property of the various water consumptions in scene；And the head height in test ring can be controlled well.Water in overflow pipe draws back the first seeping container by booster pump by return duct, first seeping container vertically sets graduation mark, only need the liquid level difference for reading the first seeping container that the judgement of water injection rate can be achieved, it is more directly perceived accurate, and will not cause to overflow the waste of water.
Description
Technical field
It the utility model is related to earthwork engineering test equipment technology, and in particular to a kind of bicyclic note of testing pits for adding water
Water test device.
Background technology
At present, the method for testing of the infiltration coefficient of the soil body mainly has drilling hole and injecting water experiment, results of permeability tests, bicyclic note
Water test etc..Wherein, time-consuming, costly for the drilling of drilling hole and injecting water experiment, for unsaturated soils such as sandy soils, easily occurs
Collapse hole problem；Results of permeability tests is difficult the actual process of osmosis of the accurate simulation soil body, and effect is undesirable；Bicyclic water injection test by
In it is easy to operate, expense is small, banketed when being commonly applied to geotechnical engineering investigation in the testing permeability of original foundation soil, hydraulic engineering
Permeability detection etc. in work.Bicyclic water injection test device mainly by two different-diameters inside and outside metallographictest ring group into,
Inner ring is measurement ring, there is provided the relation of water injection rate and time, outer shroud are confinement ring, to reduce caused by the lateral infiltration of inner ring water
Vertical infiltration coefficient test error.By metallographictest ring indentation test soil layer certain depth during experiment, then supply water, allow to two rings
The head of inner and outer ring is always consistent.
Existing bicyclic water injection test device mainly has following two：The first device is held with the unclosed ponding in top
Device is that can add water to seeping container the advantages of this method, seeping container volume can be made to water filling in inner ring and outer rings
It is smaller, it is suitable for the soil property of various water consumptions, shortcoming is can not to control the head height in test ring well；Second of device is straight
The flow bottle with a constant volume is connect to water filling in inner ring and outer rings, the head height in test ring, this side are controlled by air inlet pipe
The advantages of method is can to control the head height in test ring well, and shortcoming is flow bottle bottom lock, it is not possible to adds water, flow
Bottle product is larger, is unfavorable for carrying, and be not suitable for the larger soil property of water consumption.
The present inventor participates in the U of Publication No. CN 206270216 of the research dress for being used for the bicyclic infiltration test in scene
Put, the device sets flowmeter to measure the water penetrated into soil using in the first water pipe and overflow pipe, because having a large amount of
Water overflow, cause the waste of water, and final amount of seepage needs just draw by calculating, it is cumbersome, not directly
See.
Utility model content
A kind of the purpose of this utility model is to overcome above-mentioned deficiency, there is provided bicyclic water injection test dress of testing pits for adding water
Put, the head height in test ring can not only be controlled well, and conveniently add water to seeping container, observation and record data are more
Add directly perceived.
The utility model is in order to solve the above technical problems, used technical scheme is：It is a kind of to add testing pits for water bicyclic
Water injection test device, including inner ring and outer rings, the inner ring by the first seeping container by the first water pipe water filling, the outer shroud by
For second seeping container by the second water pipe water filling, the inner ring top offers circular spout hole, spout hole horizontal connection spilling water
Manage, the water in the overflow pipe draws back the first seeping container, first seeping container and second by booster pump by return duct
Seeping container open top, the first seeping container vertically set graduation mark.
In preferable scheme, the first seeping container water outlet is provided with the first plug with holes, and a hole connects the
One water pipe, another hole connect return duct.
In preferable scheme, second water pipe is connected by the second plug with holes with the second seeping container delivery port.
In preferable scheme, the height of the inner ring is higher than the height of outer shroud, the least significant end of spout hole and the height of outer shroud
It is identical.
In preferable scheme, first water pipe and the second water pipe are respectively equipped with the first valve and the second valve.
In preferable scheme, the booster pump is rechargeable booster pump.
In preferable scheme, the inner ring, outer shroud, overflow pipe are metal material, and inner ring and overflow pipe are welded into one
It is overall.
In preferable scheme, first seeping container and the second seeping container are hard transparent plastic material.
In preferable scheme, first water pipe, the second water pipe, return duct are the stainless steel ripple of flexible sizing
Pipe.
The utility model has the advantages that by using above structure：Seeping container upper end open, it is convenient to add
Water, the bulk container of closing is avoided, facilitates field to carry, can be applied to the bicyclic water filling examination of soil property of the various water consumptions in scene
Test；And the head height in test ring can be controlled well.Water in overflow pipe draws back the first product by booster pump by return duct
Water receptacle, the first seeping container vertically set graduation mark, it is only necessary to which the liquid level difference for reading the first seeping container can be real
The judgement of existing water injection rate, it is more directly perceived accurate, and will not cause to overflow the waste of water.
Brief description of the drawings
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings：
Fig. 1 is structural representation of the present utility model.
In figure：Inner ring 1, outer shroud 2, the first seeping container 3, the second seeping container 4, the first water pipe 5, the second water pipe 6, spilling water
Pipe 7, booster pump 8, return duct 9, the first plug 10, the second plug 11, the first valve 12, the second valve 13, spout hole 101.
Embodiment
In Fig. 1, a kind of bicyclic water injection test device of testing pits for adding water, including inner ring 1 and outer shroud 2, the inner ring 1 by
First seeping container 3 is by the water filling of the first water pipe 5, and for the outer shroud 2 by the second seeping container 4 by the water filling of the second water pipe 6, it is special
Sign is：The top of inner ring 1 offers circular spout hole 101, the horizontal connection overflow pipe 7 of spout hole 101, the overflow pipe 7
In water draw back the first seeping container 3, the seeping container 4 of the first seeping container 3 and second by return duct 9 by booster pump 8
Open top, the first seeping container 3 vertically set graduation mark.
The water outlet of first seeping container 3 is provided with the first plug 10 with holes, and a hole connects the first water pipe 5, separately
One hole connects return duct 9.
Second water pipe 6 is connected by the second plug 11 with holes with the delivery port of the second seeping container 4.
The height of the inner ring 1 is higher than the height of outer shroud 2, and the least significant end of spout hole 101 is identical with the height of outer shroud 2.
The water pipe 6 of first water pipe 5 and second is respectively equipped with the first valve 12 and the second valve 13.
The booster pump 8 is rechargeable booster pump.
The inner ring 1, outer shroud 2, overflow pipe 7 are metal material, and inner ring 1 and overflow pipe 7 are welded into an entirety.
The seeping container 4 of first seeping container 3 and second is hard transparent plastic material.
First water pipe 5, the second water pipe 6, return duct 9 are the corrugated stainless steel tubing of flexible sizing.
In the present embodiment, outer shroud 2, the diameter of inner ring 1 are respectively 50cm and 25cm, and height is respectively 17cm and 19cm, interior
An a diameter of 2cm circular spout hole 101, the horizontal connection overflow pipe 7 of spout hole 101 are opened in the upper end side of ring 1, and overflow pipe 7 pushes up
End is concordant with the top of inner ring 1；The maximum scale that first seeping container 3 is arranged at seeping container upper edge is 2L.
The present embodiment job step is as follows：
Outer shroud 2 is pressed into 7cm in soil by step 1), exposes soil layer face 10cm, then inner ring 1 is pressed into 7cm in soil, dew with one heart
The aspect of being unearthed 12cm, overflow pipe 7 are ridden on outer shroud 6, and then thick 2-3cm, particle diameter are spread in ring bottom between inner ring 1 and inner and outer rings
It is 5-10mm gravels or rubble as cushion；
Step 2) is fixed the first seeping container 3 and the second seeping container 4 with A-frame, the first water pipe 5 of installation, the
Two water pipes 6, booster pump 8 and return duct 9, adjust the nozzle position of the first water pipe 5 and the second water pipe 6；
First seeping container 3 and the second seeping container 4 are filled water by step 3), are opened and are adjusted the first valve 12, are ensured
The waterflood injection rate of first seeping container 3 can make overflow pipe 7 have a small amount of water all the time, and draw back the first seeping container 3 by booster pump 8,
Open and adjust the second valve 13, ensureing the waterflood injection rate of the second seeping container 4 can make outer shroud 2 have a small amount of water to overflow all the time, this
Sample is it is ensured that inner ring 1, the depth of water of outer shroud 2 are always 10cm；
Step 4) has just started every observation in 5 minutes once, Continuous Observation 5 times, afterwards every observation in 15 minutes once, even
It is continuous to observe 2 times, observed every 30 minutes once and at least observe 6 times later；
When water in the first seeping container of step 5) 1 is less, carry out adding water after once observation terminates；Second ponding holds
When water in device 2 is less, water can be added at any time；
Step 6) is observed each time, records the initial scale of time and the first seeping container 1 and final scale, then this
The final scale that the water injection rate of secondary observation is equal to the first seeping container 1 subtracts initial scale, when the water injection rate observed twice in succession
Difference when being not more than last time water injection rate 10%, experiment can terminate, and take last time water injection rate as calculated value.
The above embodiments are only optimal technical scheme of the present utility model, and are not construed as limit of the present utility model
System, the technical scheme that the scope of protection of the utility model should be recorded with claim, including the technical scheme that claim is recorded
The equivalents of middle technical characteristic are protection domain.Equivalent substitution i.e. within this range is improved, also in the utility model
Protection domain within.
Claims (9)
1. a kind of bicyclic water injection test device of testing pits for adding water, including inner ring（1）And outer shroud（2）, the inner ring（1）By first
Seeping container（3）Pass through the first water pipe（5）Water filling, the outer shroud（2）By the second seeping container（4）Pass through the second water pipe（6）Note
Water, it is characterised in that：The inner ring（1）Top offers circular spout hole（101）, spout hole（101）Horizontal connection overflow pipe
（7）, the overflow pipe（7）In water by booster pump（8）By return duct（9）Draw back the first seeping container（3）, first product
Water receptacle（3）With the second seeping container（4）Open top, the first seeping container（3）Graduation mark is vertically set.
2. the bicyclic water injection test device of testing pits according to claim 1 for adding water, it is characterised in that：First ponding
Container（3）Water outlet is provided with the first plug with holes（10）, a hole connects the first water pipe（5）, another hole connects return duct
（9）.
3. the bicyclic water injection test device of testing pits according to claim 1 for adding water, it is characterised in that：Second water pipe
（6）Pass through the second plug with holes（11）With the second seeping container（4）Delivery port connects.
4. the bicyclic water injection test device of testing pits according to claim 1 for adding water, it is characterised in that：The inner ring（1）
Height be higher than outer shroud（2）Height, spout hole（101）Least significant end and outer shroud（2）Height it is identical.
5. the bicyclic water injection test device of testing pits according to claim 1 for adding water, it is characterised in that：First water pipe
（5）With the second water pipe（6）It is respectively equipped with the first valve（12）With the second valve（13）.
6. the bicyclic water injection test device of testing pits according to claim 1 for adding water, it is characterised in that：The booster pump
（8）For rechargeable booster pump.
7. the bicyclic water injection test device of testing pits according to claim 1 for adding water, it is characterised in that：The inner ring（1）、
Outer shroud（2）, overflow pipe（7）It is metal material, inner ring（1）And overflow pipe（7）It is welded into an entirety.
8. the bicyclic water injection test device of testing pits according to claim 1 for adding water, it is characterised in that：First ponding
Container（3）With the second seeping container（4）It is hard transparent plastic material.
9. the bicyclic water injection test device of testing pits according to claim 1 for adding water, it is characterised in that：First water pipe
（5）, the second water pipe（6）, return duct（9）It is the corrugated stainless steel tubing of flexible sizing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720951130.2U CN206960314U (en) | 2017-08-01 | 2017-08-01 | The bicyclic water injection test device of testing pits of water can be added |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720951130.2U CN206960314U (en) | 2017-08-01 | 2017-08-01 | The bicyclic water injection test device of testing pits of water can be added |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206960314U true CN206960314U (en) | 2018-02-02 |
Family
ID=61380270
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720951130.2U Expired - Fee Related CN206960314U (en) | 2017-08-01 | 2017-08-01 | The bicyclic water injection test device of testing pits of water can be added |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206960314U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108918391A (en) * | 2018-08-17 | 2018-11-30 | 北京建筑大学 | One kind is mated formation permeability measurement apparatus and measurement method |
| CN113607619A (en) * | 2021-07-08 | 2021-11-05 | 江苏澳墨环境科技有限公司 | Water seepage test device and use method thereof |
-
2017
- 2017-08-01 CN CN201720951130.2U patent/CN206960314U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108918391A (en) * | 2018-08-17 | 2018-11-30 | 北京建筑大学 | One kind is mated formation permeability measurement apparatus and measurement method |
| CN108918391B (en) * | 2018-08-17 | 2021-05-28 | 北京建筑大学 | Pavement permeability measuring device and method |
| CN113607619A (en) * | 2021-07-08 | 2021-11-05 | 江苏澳墨环境科技有限公司 | Water seepage test device and use method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180202 Termination date: 20180801 |
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| CF01 | Termination of patent right due to non-payment of annual fee |