CN210322720U - Permeable pavement permeability coefficient on-site testing device - Google Patents
Permeable pavement permeability coefficient on-site testing device Download PDFInfo
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- CN210322720U CN210322720U CN201921175213.2U CN201921175213U CN210322720U CN 210322720 U CN210322720 U CN 210322720U CN 201921175213 U CN201921175213 U CN 201921175213U CN 210322720 U CN210322720 U CN 210322720U
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Abstract
The utility model discloses a permeable pavement permeability coefficient field test device, which comprises an annular fixing piece, a water collecting column, a rainfall spray head, a water supply system and a flowmeter; annular mounting cup joints the side that is fixed in water collection post lower extreme, and the bottom surface of annular mounting flushes with the lower terminal surface of water collection post, annular mounting and water collection post all are located the permeable pavement that awaits measuring, and be provided with rubber seal between the lower terminal surface of permeable pavement and annular mounting and water collection post that awaits measuring, a plurality of balancing weights have been placed on the annular mounting, the rainfall shower nozzle is located water collection post, water supply system is linked together through the water inlet of flowmeter with the rainfall shower nozzle, be provided with a plurality of overflow mouths along the axial on the lateral wall of water collection post, the device can the site determination permeable pavement's osmotic coefficient.
Description
Technical Field
The utility model belongs to the civil engineering field relates to a permeable pavement osmotic coefficient field test device.
Background
In recent years, the construction of sponge cities is increasingly prevalent, and people have stronger awareness of the recycling of rainwater. As an important material for road construction of sponge cities, permeable asphalt pavements and permeable cement concrete pavements are increasingly used. Research institutions of colleges and universities have increasingly studied the use of permeable asphalt and permeable concrete. The permeability coefficient is used as an important index for research of permeable asphalt pavements and permeable cement concrete, and occupies a very important position in the research. The existing specifications of China only introduce and describe a device for measuring the permeability coefficient in a laboratory, and do not describe the permeability coefficient test of the permeable pavement on site, so that the research on the permeable pavement permeability coefficient on-site test device is very necessary.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned prior art's shortcoming, provide a permeable pavement osmotic coefficient field test device, the device can the on-the-spot survey permeable pavement's osmotic coefficient.
In order to achieve the purpose, the permeable pavement permeability coefficient field testing device of the utility model comprises an annular fixing piece, a water collecting column, a rainfall spray head, a water supply system and a flowmeter;
annular mounting cup joints the side that is fixed in water collection column lower extreme, and the bottom surface of annular mounting flushes with the lower terminal surface of water collection column, annular mounting and water collection column all are located the permeable pavement that awaits measuring, and be provided with rubber seal between the lower terminal surface of permeable pavement and annular mounting and water collection column that awaits measuring, a plurality of balancing weights have been placed on the annular mounting, the rainfall shower nozzle is located water collection column, water supply system is linked together through the water inlet of flowmeter with the rainfall shower nozzle, be provided with a plurality of overflow mouths along the axial on the lateral wall of water collection column.
The water supply system comprises a water tank, a water pump and a storage battery, wherein the storage battery is used for providing electric energy for the water pump and a flow meter, the water pump is positioned in the water tank, and an outlet of the water pump is communicated with the rainfall spray head through the flow meter.
The outlet of the water pump is communicated with the rainfall spray head through a valve and a flowmeter.
The balancing weight is a counterweight.
Each balancing weight is evenly arranged on the annular fixing piece along the circumferential direction.
The distance between the overflow port at the bottommost part and the bottom of the water collecting column is 100 mm;
the inner diameter of the water collecting column is 200 mm.
The utility model discloses following beneficial effect has:
permeable pavement osmotic coefficient field test device when concrete operation, with the sealed smooth permeable pavement that is fixed in of water collection post on, water injection in to water collection post again, through adjusting the water injection flow of water collection post, make the surface of water in the water collection post flush with the overflow mouth, and overflow not flow, calculate permeable pavement's osmotic coefficient k according to the current discharge to water injection in the water collection post, with the purpose of realizing on-the-spot survey permeable pavement osmotic coefficient, it is convenient, simple to measure, and portable, do not cause any destruction to the road surface structure.
Furthermore, different overflow ports are selected to test the permeability coefficient of the road surface under different water head heights, and the test range is wide.
Drawings
FIG. 1 is a schematic view of the present invention;
fig. 2 is a top view of the present invention.
Wherein, 1 is water collecting column, 2 is overflow port, 3 is rubber seal, 4 is balancing weight, 5 is rainfall shower nozzle, 6 is flowmeter, 7 is valve, 8 is water tank, 9 is water pump, 10 is the battery, 11 is permeable pavement.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings:
referring to fig. 1 and 2, the permeable pavement permeability coefficient field testing device of the present invention includes an annular fixing member, a water collecting column 1, a rainfall sprayer 5, a water supply system and a flowmeter 6; annular mounting cup joints the side that is fixed in 1 lower extreme of water collection column, and the bottom surface of annular mounting flushes with the lower terminal surface of water collection column 1, annular mounting and water collection column 1 all are located the permeable pavement 11 that awaits measuring, and be provided with rubber seal 3 between the lower terminal surface of permeable pavement 11 and annular mounting and water collection column 1 that awaits measuring, a plurality of balancing weights 4 have been placed on the annular mounting, rainfall shower nozzle 5 is located water collection column 1, water supply system is linked together through the water inlet of flowmeter 6 with rainfall shower nozzle 5, be provided with a plurality of overflow mouths 2 along the axial on water collection column 1's the lateral wall.
The water supply system comprises a water tank 8, a water pump 9 and a storage battery 10 for providing electric energy for the water pump 9 and a flowmeter 6, wherein the water pump 9 is positioned in the water tank 8, the outlet of the water pump 9 is communicated with the rainfall spray head 5 through the flowmeter 6, and the outlet of the water pump 9 is communicated with the rainfall spray head 5 through a valve 7 and the flowmeter 6.
The balancing weight 4 is a balancing weight; each balancing weight 4 is uniformly arranged on the annular fixing piece along the circumferential direction; the distance between the overflow port 2 at the bottommost part and the bottom of the water collecting column 1 is 100 mm; the inner diameter of the water collecting column 1 was 200 mm.
The utility model discloses a concrete operation process does:
1) placing the water collecting column 1, the annular fixing piece and the rubber sealing ring 3 on a flat permeable pavement 11, then placing the balancing weight 4 on the annular fixing piece, and extruding the rubber sealing ring 3 through the balancing weight 4 to enable the bottom of the water collecting column 1 to be tightly attached to the permeable pavement 11;
2) the water supply system is started, water output by the water supply system is injected into the water collecting column 1 through the rainfall sprayer 5, the water supply quantity of the water supply system is adjusted, the water surface in the water collecting column 1 is flush with the overflow port 2, the reading of the current flowmeter 6 is read, the reading of the current flowmeter 6 is used as the water flow Q permeating into the permeable pavement 11, the average permeation speed v of the permeable pavement 11 is calculated to be Q/A.T, wherein A is the area of the bottom of the ring of the lower end face of the water collecting column 1, T is the permeation time, when the height of the water column in the water collecting column 1 is larger than or equal to 100mm, the water head gradient can be considered to be close to 1, and the average permeation speed of the permeable pavement 11 is used as the permeation coefficient k of the permeable pavement.
The utility model discloses be different from indoor osmotic coefficient test, but at 11 scene on the permeable pavement, any position all can be measured 11 osmotic coefficient on the permeable pavement, but the osmotic coefficient in measurable different regions, whether the mixture paves evenly when detecting the construction, also can survey the osmotic coefficient of same regional different time for observe 11 osmotic coefficient on the permeable pavement and use along with the road, the change condition that the plug blockked up.
The above description is only an example of the present application and is not intended to limit the present application, and various modifications and changes may be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (6)
1. A permeable pavement permeability coefficient field test device is characterized by comprising an annular fixing piece, a water collecting column (1), a rainfall spray head (5), a water supply system and a flowmeter (6);
annular mounting cup joints and is fixed in the side of water collection post (1) lower extreme, and the bottom surface of annular mounting flushes with the lower terminal surface of water collection post (1), annular mounting and water collection post (1) all are located the permeable pavement (11) that awaits measuring, and be provided with rubber seal (3) between the lower terminal surface of permeable pavement (11) and annular mounting and water collection post (1) that awaits measuring, a plurality of balancing weights (4) have been placed on the annular mounting, rainfall shower nozzle (5) are located water collection post (1), water supply system is linked together through the water inlet of flowmeter (6) and rainfall shower nozzle (5), be provided with a plurality of overflow mouths (2) along the axial on the lateral wall of water collection post (1).
2. The permeable pavement permeability coefficient field testing device according to claim 1, characterized in that the water supply system comprises a water tank (8), a water pump (9) and a storage battery (10) for supplying electric energy to the water pump (9) and the flowmeter (6), wherein the water pump (9) is positioned in the water tank (8), and the outlet of the water pump (9) is communicated with the rainfall spray head (5) through the flowmeter (6).
3. The permeable pavement permeability coefficient field testing device according to claim 2, characterized in that the outlet of the water pump (9) is communicated with the rainfall spray head (5) through the valve (7) and the flowmeter (6).
4. The permeable pavement permeability coefficient field testing device according to claim 1, characterized in that the balancing weight (4) is a counterweight.
5. The permeable pavement permeability coefficient field testing device according to claim 1, characterized in that each balancing weight (4) is evenly arranged on the annular fixing member along the circumferential direction.
6. The permeable pavement permeability coefficient field test device according to claim 1, characterized in that the distance between the bottommost overflow port (2) and the bottom of the water collecting column (1) is 100 mm;
the inner diameter of the water collecting column (1) is 200 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921175213.2U CN210322720U (en) | 2019-07-24 | 2019-07-24 | Permeable pavement permeability coefficient on-site testing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921175213.2U CN210322720U (en) | 2019-07-24 | 2019-07-24 | Permeable pavement permeability coefficient on-site testing device |
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| CN210322720U true CN210322720U (en) | 2020-04-14 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110296930A (en) * | 2019-07-24 | 2019-10-01 | 平顶山市公路交通勘察设计院 | A kind of device and test method of on-site measurement porous pavement infiltration coefficient |
| CN112326527A (en) * | 2020-10-26 | 2021-02-05 | 江苏省交通工程集团有限公司 | Concrete detection method for road and bridge construction |
-
2019
- 2019-07-24 CN CN201921175213.2U patent/CN210322720U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110296930A (en) * | 2019-07-24 | 2019-10-01 | 平顶山市公路交通勘察设计院 | A kind of device and test method of on-site measurement porous pavement infiltration coefficient |
| CN112326527A (en) * | 2020-10-26 | 2021-02-05 | 江苏省交通工程集团有限公司 | Concrete detection method for road and bridge construction |
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