CN208705200U - A kind of test device of concrete for plant growth coefficient of permeability - Google Patents
A kind of test device of concrete for plant growth coefficient of permeability Download PDFInfo
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- CN208705200U CN208705200U CN201821267548.2U CN201821267548U CN208705200U CN 208705200 U CN208705200 U CN 208705200U CN 201821267548 U CN201821267548 U CN 201821267548U CN 208705200 U CN208705200 U CN 208705200U
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- output cylinder
- flooding tube
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Abstract
The utility model relates to a kind of test devices of concrete for plant growth coefficient of permeability, the test device includes flooding tube and water output cylinder, offer flooding tube overflow port and water output cylinder overflow port respectively on the flooding tube and water output cylinder, water service hose is connected between the bottom end of the flooding tube and the bottom end of the water output cylinder, the flooding tube is supported by the fixed frame that height is fixed, and the water output cylinder is supported by height-adjustable crane.The test device of the concrete for plant growth coefficient of permeability of the utility model can be according to the porosity and aperture situation of concrete for plant growth, by adjusting the height of crane, control the water-head between flooding tube overflow port and adjutage overflow port, by water flow velocity control in a lesser range, so as to accurately measure the coefficient of permeability of concrete for plant growth.
Description
Technical field
The utility model relates to measuring for materials fields, more specifically to a kind of concrete for plant growth coefficient of permeability
Test device.
Background technique
A kind of concrete of the concrete for plant growth as ecological, environmental protective is applied to slope treatment, the garden of River Landscape
In woods greening, and can coefficient of permeability be to evaluate root system of plant smoothly penetrate one of the important indicator of concrete and long term growth.
Concrete for plant growth is due to having the large aperture through hole for planting growth, coefficient of permeability about 100~500mm/s, much higher than saturating
0.1~10mm/s of water coagulation soil and water-permeable brick, existing coefficient of permeability test equipment are for pervious concrete and water-permeable brick
The relatively low material of this kind of coefficient of permeability, is not suitable for the test of concrete for plant growth coefficient of permeability.
Utility model content
The purpose of this utility model is to provide a kind of test devices of concrete for plant growth coefficient of permeability, solve existing skill
Coefficient of permeability test equipment in art be not suitable for the biggish concrete for plant growth of coefficient of permeability the problem of.
The utility model technical scheme applied to solve the technical problem is: a kind of test of concrete for plant growth coefficient of permeability
Device, including flooding tube and water output cylinder, offer flooding tube overflow port and water output cylinder respectively on the flooding tube and water output cylinder
Overflow port is connected with water service hose between the bottom end of the flooding tube and the bottom end of the water output cylinder, the flooding tube is by height
Fixed fixed frame support, the water output cylinder are supported by height-adjustable crane.
In the test device of the utility model, the water service hose is PU or PVC steel wire spiral enhancing hose.
In the test device of the utility model, it is separately connected at the flooding tube overflow port and the water output cylinder overflow port
There is diversion pipe.
In the test device of the utility model, the cross section of the flooding tube and the water output cylinder be round, rectangle or
Ellipse.
In the test device of the utility model, the cross section of the flooding tube and the water output cylinder is circle, and described
The internal diameter of flooding tube and the water output cylinder is 100mm or 150mm.
In the test device of the utility model, the range of the adjusting height of the crane is 0-100mm.
The test device for implementing the concrete for plant growth coefficient of permeability of the utility model has the advantages that practical
The test device of novel concrete for plant growth coefficient of permeability can pass through tune according to the porosity and aperture situation of concrete for plant growth
The height of whole crane controls the water-head between flooding tube overflow port and adjutage overflow port, and water flow velocity is controlled at one
In lesser range, so as to accurately measure the coefficient of permeability of concrete for plant growth.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the test device of the concrete for plant growth coefficient of permeability of the utility model.
Specific embodiment
With reference to the accompanying drawings and examples, to the structure of the test device of the concrete for plant growth coefficient of permeability of the utility model
It is described further with action principle:
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The instruction such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", " clockwise ", " counterclockwise "
Orientation or positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description the utility model and simplification
Description, rather than the device or element of indication or suggestion meaning must have a particular orientation, constructed and grasped with specific orientation
Make, therefore should not be understood as limiting the present invention.
As shown in Figure 1, the preferred embodiment of the utility model provides a kind of test dress of concrete for plant growth coefficient of permeability
It sets comprising flooding tube 1 and water output cylinder 2 offer flooding tube overflow port 11 and water outlet respectively on flooding tube 1 and water output cylinder 2
Cylinder overflow port 21, is connected with water service hose 3, flooding tube 1 is consolidated by height between the bottom end of flooding tube 1 and the bottom end of water output cylinder 2
Fixed fixed frame 4 supports, and water output cylinder 2 is supported by height-adjustable crane 5.
Wherein, water service hose 3 is PU or PVC steel wire spiral enhancing hose, generally U-shaped.Further, flooding tube overflow
Diversion pipe 6 can also be connected separately at mouth 11 and water output cylinder overflow port 21.
Wherein, the cross section of flooding tube 1 and water output cylinder 2 is round or rectangle.Preferably, the cross of flooding tube 1 and water output cylinder 2
Section is circle, and the internal diameter of flooding tube 1 and water output cylinder 2 is preferably 100mm or 150mm, more preferably 150mm, makes to test number
According to more tending to be accurate.
It should be noted that crane 5 is the product of the prior art, such as hand crane, electric elevating rack, exist
Within the protection scope of the utility model.Wherein, the range of the adjusting height of crane 5 is 0-100mm.
The test method of above-mentioned test device, comprising:
A, the sample 7 of concrete for plant growth to be measured is placed on to the bottom side in flooding tube 1；The sample 7 of concrete for plant growth to be measured
With a thickness of 50-150mm；
B, it is filled the water into flooding tube 1, when water is flowed out from adjutage overflow port 21, adjusts crane 5, control flooding tube overflows
Water-head H between head piece 11 and adjutage overflow port 21 is within the scope of 0-100mm, so that the feelings as big as possible in water-head H
Under condition, flooding tube overflow port 11 and adjutage overflow port 21 be there are flowing out；
C, after waterflow stabilization, from the water of the outflow of adjutage overflow port 21 in measurement preset time；Wherein, preset time
Preferably 10s-60s；
D, according to formulaCalculate the coefficient of permeability of concrete for plant growth 7 to be measured, wherein k is concrete for plant growth to be measured
Sample 7 coefficient of permeability (mm/s)；Q is the water (mm flowed out in time t second3)；L is the sample 7 of concrete for plant growth to be measured
Thickness (mm)；A is the sectional area (mm of the sample 7 of concrete for plant growth to be measured2)；H is water-head (mm)；T is preset time
(s)。
The test device of the concrete for plant growth coefficient of permeability of the utility model can according to the porosity of concrete for plant growth and
Aperture situation controls the water-head between flooding tube overflow port and adjutage overflow port, by water by adjusting the height of crane
Flow control is in a lesser range, so as to accurately measure the coefficient of permeability of concrete for plant growth.
It should be understood that it will be understood by those skilled in the art that it can be modified or changed according to the above description, but this
It is a little to improve or convert within the protection scope that all should belong to the appended claims for the utility model.
Claims (6)
1. a kind of test device of concrete for plant growth coefficient of permeability, which is characterized in that including flooding tube (1) and water output cylinder (2),
Offer flooding tube overflow port (11) and water output cylinder overflow port (21) on the flooding tube (1) and water output cylinder (2) respectively, it is described into
It is connected with water service hose (3) between the bottom end of water drum (1) and the bottom end of the water output cylinder (2), the flooding tube (1) is consolidated by height
Fixed fixed frame (4) support, the water output cylinder are supported by height-adjustable crane (5).
2. test device according to claim 1, which is characterized in that the water service hose (3) is PU or PVC steel wire spiral
Enhance hose.
3. test device according to claim 1, which is characterized in that the flooding tube overflow port (11) and the water output cylinder
Diversion pipe (6) are connected separately at overflow port (21).
4. test device according to claim 1, which is characterized in that the cross of the flooding tube (1) and the water output cylinder (2)
Section is round, rectangle or ellipse.
5. test device according to claim 4, which is characterized in that the cross of the flooding tube (1) and the water output cylinder (2)
Section is circle, and the internal diameter of the flooding tube (1) and the water output cylinder (2) is 100mm or 150mm.
6. test device according to claim 1, which is characterized in that the range of the adjusting height of the crane (5) is
0-100mm。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821267548.2U CN208705200U (en) | 2018-08-07 | 2018-08-07 | A kind of test device of concrete for plant growth coefficient of permeability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821267548.2U CN208705200U (en) | 2018-08-07 | 2018-08-07 | A kind of test device of concrete for plant growth coefficient of permeability |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208705200U true CN208705200U (en) | 2019-04-05 |
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ID=65941727
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821267548.2U Active CN208705200U (en) | 2018-08-07 | 2018-08-07 | A kind of test device of concrete for plant growth coefficient of permeability |
Country Status (1)
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| CN (1) | CN208705200U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109085106A (en) * | 2018-08-07 | 2018-12-25 | 深圳市绿志新型建材研究院有限公司 | A kind of test device and its test method of concrete for plant growth coefficient of permeability |
-
2018
- 2018-08-07 CN CN201821267548.2U patent/CN208705200U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109085106A (en) * | 2018-08-07 | 2018-12-25 | 深圳市绿志新型建材研究院有限公司 | A kind of test device and its test method of concrete for plant growth coefficient of permeability |
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