CN217059808U - Afforestation concrete reversed filter performance measuring device - Google Patents
Afforestation concrete reversed filter performance measuring device Download PDFInfo
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- CN217059808U CN217059808U CN202220650945.8U CN202220650945U CN217059808U CN 217059808 U CN217059808 U CN 217059808U CN 202220650945 U CN202220650945 U CN 202220650945U CN 217059808 U CN217059808 U CN 217059808U
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- 239000002689 soil Substances 0.000 claims abstract description 87
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 59
- 230000001105 regulatory effect Effects 0.000 claims abstract description 33
- 238000001914 filtration Methods 0.000 claims description 17
- 239000000203 mixture Substances 0.000 abstract description 13
- 239000007787 solid Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 239000004744 fabric Substances 0.000 description 5
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 4
- 235000017491 Bambusa tulda Nutrition 0.000 description 4
- 241001330002 Bambuseae Species 0.000 description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 4
- 239000011425 bamboo Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 244000025254 Cannabis sativa Species 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 238000007605 air drying Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002706 hydrostatic effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000008635 plant growth Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
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Abstract
The utility model belongs to the technical field of the afforestation concrete, a afforestation concrete reversed filter performance survey device is provided, include: the soil collection structure is used for collecting a soil sample filtered by the greening concrete sample; the water inlet pressure regulating structure is arranged on the soil collecting structure; the greening concrete sample is arranged between the soil collecting structure and the water inlet pressure regulating structure, and the greening concrete sample is sealed between the soil collecting structure and the water inlet pressure regulating structure. Adopt the technical scheme of this application, put into the soil and water mixture at the upside of the pressure regulating structure of intaking to pour into certain rivers into to the afforestation concrete sample through the pressure regulating structure of intaking, according to the quality of soil sample in the prefabricated soil and water mixture, and the quality of the soil of collecting in the experimental back soil collecting structure, can calculate and obtain the anti-coefficient of straining.
Description
Technical Field
The utility model relates to a afforestation concrete technical field, concretely relates to afforestation concrete reversed filter performance survey device.
Background
The new technology of cast-in-situ greening concrete slope protection is an environment-friendly new technology, is a concrete which is suitable for plant growth, has high strength and can be rapidly constructed on site. Realizes the desire of growing grass on concrete, and is a revolution to the traditional slope protection technology. Has the advantages of high strength, high air permeability, durability, strong scouring resistance, good freeze-thaw resistance, good integrity and the like. The method is suitable for projects such as river, lake and sea water systems, black and odorous river treatment, hard slope protection reconstruction, road traffic, green buildings, sponge cities and the like, and plays roles in soil stabilization, slope protection, ecology improvement and environment beautification. Reverse filtration is the phenomenon of fluid in a state of seepage in the soil, and when flowing through a filter material, the fluid can pass through and retain solid soil particles which play a role of a skeleton.
In order to obtain the reverse filtration performance of the greening concrete, a measuring device for measuring the reverse filtration performance of the greening concrete is urgently needed.
SUMMERY OF THE UTILITY MODEL
To the defect among the prior art, the utility model provides an anti-performance measurement device that strains of afforestation concrete to the problem of the anti-performance of straining of the unable survey afforestation concrete among the solution prior art.
The utility model provides a pair of afforestation concrete reversed filter performance survey device, include:
the soil collecting structure is used for collecting a soil sample filtered by the greening concrete sample;
the water inlet pressure regulating structure is arranged on the soil collecting structure;
the greening concrete sample set up in the collection soil structure with between the pressure regulating structure of intaking, the greening concrete sample with the collection soil structure and it is sealed to intake between the pressure regulating structure.
According to the above technical scheme, the utility model provides an anti-filter performance survey device of afforestation concrete puts into the soil and water mixture at the upside of the pressure regulating structure of intaking to inject certain rivers into the afforestation concrete sample through the pressure regulating structure of intaking, according to the quality of soil sample in the prefabricated soil and water mixture, and the quality of the soil of collecting in the experimental back soil collecting structure, can calculate and obtain the anti-filter coefficient.
Optionally, the soil collecting structure comprises a soil collecting cylinder and a screen, and the screen is arranged at the bottom of the soil collecting cylinder.
According to the above technical scheme, the utility model discloses a collection soil structure is including a collection soil section of thick bamboo and set up in the screen cloth of a collection soil section of thick bamboo bottom, and when the water and soil mixture set up on afforestation concrete sample, partial solid matter can pass the hole and get into the collection soil structure in, can screen out the moisture content that gets into the collection soil structure through the screen cloth, collects the solid matter. And calculating the inverse filtration coefficient according to the mass of the dried solid matter and the mass of the soil sample in the water-soil mixture on the upper side of the sample.
Optionally, the water inlet pressure regulating structure comprises a sample cylinder, and a water inlet pipeline is connected to the top of the sample cylinder.
According to the technical scheme, the water inlet pressure regulating structure injects continuous uniform and stable water flow to the upper side of the green concrete, when a water inlet pipeline of the water inlet pressure regulating structure is not connected with a water source, the pressure in the sample cylinder can be regulated through the water inlet pipeline, so that the pressure in the sample cylinder is maintained at 0.4 MPa.
Optionally, a pressure gauge and a water valve are further arranged on the water inlet pipeline.
According to the technical scheme, the water inlet pipeline is provided with the pressure gauge and the water valve,
optionally, a barrel edge of the soil collecting barrel extends outwards to form a first extending section, a barrel edge of the sample barrel also extends outwards to form a second extending section, a plurality of corresponding screw holes are formed in the first extending section and the second extending section, and fastening screws are arranged in the screw holes in a penetrating manner and used for fixing the soil collecting barrel and the sample barrel.
According to the technical scheme, the cylinder edge of the soil collecting cylinder and the cylinder edge of the sample cylinder extend outwards to form the first extension section and the second extension section respectively, the first extension section and the second extension section are provided with the corresponding through holes respectively, and the fastening screws penetrate through the through holes to fix the soil collecting cylinder and the sample cylinder, so that the sealing structures are formed between the soil collecting cylinder and the greening concrete sample as well as between the sample cylinder and the greening concrete sample.
By adopting the technical scheme, the method has the following technical effects:
the utility model provides a afforestation concrete anti-filter performance survey device puts into the water and soil mixture at the upside of the pressure regulating structure of intaking to pour into certain rivers into to afforestation concrete sample through the pressure regulating structure of intaking, according to the quality of the soil sample in the prefabricated water and soil mixture, and the quality of the soil of collecting in the experimental back soil collecting structure, can calculate and obtain anti-filter coefficient. When plants in the greening concrete are immature, the reverse filtration coefficient can reflect the water and soil retaining capacity of the greening concrete under the condition that the underground water level of the greening concrete slope is higher than the water level of a river channel, and the waterlogging resistance capacity of the greening concrete can be reflected to a certain degree based on the reverse filtration coefficient.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
Fig. 1 is a schematic structural diagram of the device for measuring the reverse filtration performance of the green concrete provided by the embodiment of the utility model.
Reference numerals:
1-a soil-gathering structure; 11-a soil collecting cylinder; 111-a first extension; 12-a screen mesh; 2-a water inlet pressure regulating structure; 21-a sample cylinder; 211-a second extension; 22-a water inlet pipe; 23-a pressure gauge; a 24-water valve; 3-greening concrete sample; 4-fastening the screw.
Detailed Description
Embodiments of the present invention will be described in detail with reference to the accompanying drawings. The following examples are only used to illustrate the technical solutions of the present invention more clearly, and therefore are only used as examples, and the protection scope of the present invention is not limited thereby.
It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.
Fig. 1 is a schematic structural diagram of a device for measuring the reverse filtration performance of green concrete according to an embodiment of the present invention; as shown in fig. 1, the utility model provides a pair of reverse filter performance of afforestation concrete survey device, include: the soil collecting structure 1 is used for collecting a soil sample filtered by a greening concrete sample; the water inlet pressure regulating structure 2 is arranged on the soil collecting structure 1; the greening concrete sample 3 is arranged between the soil collecting structure 1 and the water inlet pressure regulating structure 2, and the greening concrete sample 3 is sealed between the soil collecting structure 1 and the water inlet pressure regulating structure 2.
Specifically, the utility model provides a afforestation concrete anti-filter performance survey device puts into the water and soil mixture at the upside of the pressure regulating structure 2 of intaking to pour into certain rivers into to afforestation concrete sample 3 through the pressure regulating structure of intaking, according to the quality of the soil sample in the prefabricated water and soil mixture, and the quality of the soil of collecting in the experimental back soil collecting structure, can calculate and obtain anti-filter coefficient.
Optionally, the soil collecting structure 1 includes a soil collecting barrel 11 and a screen 12, and the screen 12 is disposed at the bottom of the soil collecting barrel 11.
Specifically, the utility model discloses a collection soil structure 1 includes a collection soil section of thick bamboo 11 and sets up in the screen cloth 12 of a collection soil section of thick bamboo 11 bottom, and when the soil and water mixture set up on afforestation concrete sample 3, partial solid matter can pass the hole and get into collection soil structure 1, can screen the moisture that gets into collection soil structure 1 through screen cloth 12 and remove, collect the solid matter. And calculating the inverse filtration coefficient according to the mass of the dried solid matter and the mass of the soil sample in the water-soil mixture on the upper side of the sample.
Optionally, the water inlet pressure regulating structure 2 comprises a sample cylinder 21, and a water inlet pipeline 22 is connected to the top of the sample cylinder 21.
Specifically, the water inlet pressure regulating structure 2 injects continuous uniform and stable water flow to the upper side of the greening concrete sample, and when the water inlet pipe 22 of the water inlet pressure regulating structure 2 is not connected to a water source, the pressure in the sample cylinder 21 can be regulated through the water inlet pipe 22, so as to ensure that the pressure in the sample cylinder 21 is maintained at 0.4 MPa.
Optionally, a pressure gauge 23 and a water valve 24 are also provided on the water inlet pipe 22. Through the pressure gauge and the water valve, the water inlet pressure regulating structure 2 provides stable water flow and pressure, so that the water-soil mixture on the greening concrete sample 3 is kept in a stable state.
Optionally, the barrel edge of the soil collecting barrel 11 extends outwards to form a first extending section 111, the barrel edge of the sample barrel 21 also extends outwards to form a second extending section 211, the first extending section 111 and the second extending section 211 are provided with a plurality of corresponding screw holes, and fastening screws 4 are penetratingly provided in the screw holes for fixing the soil collecting barrel and the sample barrel.
Specifically, the barrel edge of the soil collecting barrel 11 and the barrel edge of the sample barrel 21 both extend outwards to form a first extending section 111 and a second extending section 211, a plurality of corresponding through holes are formed in the first extending section 111 and the second extending section 211, and fastening screws 4 are arranged in the through holes in a penetrating manner to fix the soil collecting barrel 11 and the sample barrel 21, so that sealing structures are formed between the soil collecting barrel 11 and the greening concrete sample 3 and between the sample barrel 21 and the greening concrete sample 3.
The measurement process based on the measurement device for the reverse filtration performance of the green concrete comprises the following steps:
(1) placing a greening concrete sample 3 in water with the temperature of 20 +/-5 ℃ for standing for 24 hours, wiping off surface water by using a wet cleaning cloth, placing the greening concrete reverse filtration performance measuring device provided by the application, well sealing the cylinder wall and the sample, and screwing fastening screws for fastening the first extension section 111 and the second extension section 211;
(2) taking about 10kg of slope protection soil sample on site, taking about 2kg of slope protection soil sample by quartering method after air drying, and recording as m 0 Accurately to 0.1g, placing a sample cylinder, and opening a water source to ensure that the water flow at the lower side of the soil collecting cylinder 11 is uniform;
(3) through the water inlet pressure regulating structure 2, the water pressure is stabilized at 0.4MPa, and the pressure is released after the pressure is maintained for a plurality of times;
(4) the water inlet pressure regulating structure 2 is disassembled, the soil sample on the screen 12 is taken out and is dried to constant weight m g To the nearest 0.1 g;
(5) the remaining samples were repeatedly measured according to the steps (1) to (4).
(6) The back-filtering coefficient K is calculated,
taking the maximum value of the measured hydrostatic pressure resistance values of 3 samples as the reverse filtration coefficient of the sample; if the maximum or minimum of the 3 measured values exceeds 30% of the mean value, the test is invalid and the test must be re-sampled.
In the description of the present invention, a number of specific details are described. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention, and they should be construed as being included in the scope of the claims and description of the present invention.
Claims (5)
1. The utility model provides a afforestation concrete reversed filter performance survey device which characterized in that includes:
the soil collecting structure is used for collecting a soil sample filtered by the greening concrete sample;
the water inlet pressure regulating structure is arranged on the soil collecting structure;
the greening concrete sample set up in the collection soil structure with between the pressure regulating structure of intaking, the greening concrete sample with the collection soil structure and it is sealed to intake between the pressure regulating structure.
2. The apparatus for measuring the reverse filtration performance of green concrete according to claim 1, wherein the soil collecting structure comprises a soil collecting cylinder and a screen, and the screen is disposed at the bottom of the soil collecting cylinder.
3. The apparatus for measuring the reverse filtration performance of green concrete according to claim 2, wherein the water inlet pressure regulating structure comprises a sample cylinder, and a water inlet pipeline is connected to the top of the sample cylinder.
4. The device for measuring the reverse filtration performance of the greening concrete according to claim 3, wherein a pressure gauge and a water valve are further arranged on the water inlet pipeline.
5. The apparatus for measuring reverse filtration performance of green concrete according to claim 3, wherein the rim of the soil collecting cylinder extends outward to form a first extension section, the rim of the sample cylinder also extends outward to form a second extension section, the first extension section and the second extension section are provided with a plurality of corresponding screw holes, and fastening screws are arranged in the screw holes for fixing the soil collecting cylinder and the sample cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220650945.8U CN217059808U (en) | 2022-03-23 | 2022-03-23 | Afforestation concrete reversed filter performance measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220650945.8U CN217059808U (en) | 2022-03-23 | 2022-03-23 | Afforestation concrete reversed filter performance measuring device |
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| Publication Number | Publication Date |
|---|---|
| CN217059808U true CN217059808U (en) | 2022-07-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220650945.8U Active CN217059808U (en) | 2022-03-23 | 2022-03-23 | Afforestation concrete reversed filter performance measuring device |
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| CN (1) | CN217059808U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116465782A (en) * | 2023-04-13 | 2023-07-21 | 水利部交通运输部国家能源局南京水利科学研究院 | Plant-growing type pervious concrete test device and test method |
-
2022
- 2022-03-23 CN CN202220650945.8U patent/CN217059808U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116465782A (en) * | 2023-04-13 | 2023-07-21 | 水利部交通运输部国家能源局南京水利科学研究院 | Plant-growing type pervious concrete test device and test method |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: No. 19 Tangwang Road, Yangzhou City, Jiangsu Province, 225000 Patentee after: Jiangsu Yangzi Engineering Quality Inspection Co.,Ltd. Country or region after: China Address before: 225000 1st floor, building 2, No. 96, Yunhe South Road, Yangzhou City, Jiangsu Province Patentee before: Yangzhou Yangzi Engineering Quality Inspection Co.,Ltd. Country or region before: China |