CN202994235U - Measuring cylinder device for testing permeable rate of pervious concrete pavement - Google Patents
Measuring cylinder device for testing permeable rate of pervious concrete pavement Download PDFInfo
- Publication number
- CN202994235U CN202994235U CN 201320016078 CN201320016078U CN202994235U CN 202994235 U CN202994235 U CN 202994235U CN 201320016078 CN201320016078 CN 201320016078 CN 201320016078 U CN201320016078 U CN 201320016078U CN 202994235 U CN202994235 U CN 202994235U
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- graduated cylinder
- measuring cylinder
- pervious concrete
- concrete pavement
- cylinder device
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Abstract
The utility model discloses a measuring cylinder device for testing the permeable rate of a pervious concrete pavement. The measuring cylinder device comprises a horizontal support plate and a vertical measuring cylinder. A groove is formed in the center of the upper plane of the support plate, and the bottom of the measuring cylinder is inserted into the groove. A discharging tube is vertically arranged below the support plate, the upper end of the discharging tube is communicated with the bottom of the measuring cylinder, and the discharging tube is provided with a valve. According to the measuring cylinder device for testing the permeable rate of the pervious concrete pavement, the descending height of a water column inside the measuring cylinder and needed time are recorded, and so that the permeable rate of a paved pervious concrete pavement can be calculated out accurately.
Description
Technical field
The utility model belongs to the proving installation technical field, specifically relates to a kind of permeability rate proving installation for test pervious concrete pavement permeability rate.
Background technology
Pervious concrete is called again cellular concrete, permeable terrace, it is a kind of porous light concrete that is formed by aggregate, cement and the water system of mixing, it does not contain fine aggregate, mutually bond and form the equally distributed cellular structure in hole by coarse aggregate surface coating skim grout, therefore have ventilative, permeable and lightweight characteristics, also can be described as the draining concrete.Pervious concrete is by under the rainwater inflow place, effective recharge of groundwater, and the underground water table of alleviating the city sharply descend some Urban Environmental Problems of degradation, simultaneously, is the good pavement material of conservation of nature, maintaining ecological balance, energy alleviating urban heat island effect.But in prior art, the pervious concrete pavement of laying is not carried out the device of on-the-spot test permeability rate test, that is to say, the permeability rate of the pervious concrete pavement after laying is difficult to learn.
The utility model content
Technical problem to be solved in the utility model just is to provide a kind of permeability rate test graduated cylinder that can more accurately test the permeability rate of the pervious concrete pavement after laying.
For solving the problems of the technologies described above, the utility model adopts following technical scheme: a kind of graduated cylinder device for test pervious concrete pavement permeability rate, it is characterized in that: comprise a horizontal supporting plate and a vertical graduated cylinder, on described back up pad, planar central is provided with a groove, described graduated cylinder bottom is plugged in described groove, described back up pad below vertically arranges a rising pipe, described rising pipe upper end and graduated cylinder bottom connection, and described rising pipe is provided with valve.
Preferably, described graduated cylinder bottom centre is provided with the first through hole, and described rising pipe upper end open and the first through hole are communicated with.
Preferably, be provided with O-ring seal between described graduated cylinder bottom and back up pad.
Preferably, described graduated cylinder upper end is provided with pressurizing valve and tensimeter.
Preferably, described graduated cylinder is the organic glass graduated cylinder.
In addition, described back up pad is connected with a base by four support bars that vertically arrange, and described base end face is provided with cone tank, and described base is placed on pervious concrete pavement to be tested.Described back up pad is provided with the second through hole, described base is provided with third through-hole and cone tank, and described the first through hole and the second through hole are communicated with, and described the second through hole is communicated with the rising pipe upper end, described rising pipe lower end is communicated with third through-hole, and described third through-hole is communicated with cone tank.
because the utility model is tested by the pervious concrete pavement of selecting certain area, possessed the on-the-spot test function, after valve open, water column in graduated cylinder is from the first through hole, the second through hole, rising pipe, contact and see through pervious concrete with pervious concrete after third through-hole and cone tank, described cone tank structure can make water column flow to pervious concrete pavement along the cone tank side face, water colunm height in graduated cylinder reduces, can more accurately calculate the permeability rate of the pervious concrete pavement after laying by recording water column falling head in graduated cylinder and required time.
Description of drawings
Below in conjunction with the drawings and specific embodiments, the utility model is further described:
Fig. 1 is the structural representation of the utility model permeability rate proving installation.
Embodiment
see also shown in Figure 1, the permeability rate proving installation comprises the graduated cylinder 1 with scale, O-ring seal 2, back up pad 3, four support bars 4, base 5, rising pipe 6, valve 7, described graduated cylinder 1 lower end is connected with back up pad 3 and seals by O-ring seal 2, on described back up pad, planar central is provided with a groove, described graduated cylinder bottom is plugged in described groove, described back up pad 3 is connected with the upper end of four support bars 4, the lower end of described every support bar 4 all is connected with base 5, described valve 7 is located on rising pipe 6, described rising pipe 6 upper ends are connected with back up pad 3, described rising pipe 6 lower ends are connected with base 5, described graduated cylinder 1 middle part, lower end is provided with the first through hole 11, described back up pad 3 is provided with the second through hole 31, described base 5 is provided with third through-hole 51 and cone tank 52, described the first through hole 11 and the second through hole 31 are communicated with, described the second through hole 31 is communicated with rising pipe 6 upper ends, described rising pipe 6 lower ends are communicated with third through-hole 51, and described third through-hole 51 is communicated with cone tank 52.
The diameter of described third through-hole 51 is not less than 7mm.
Described graduated cylinder 1 is the organic glass graduated cylinder, and described graduated cylinder 1 upper end is connected with pressurizing valve 12 and tensimeter 13.
In the present embodiment, before testing, the utility model permeability rate proving installation is placed on pervious concrete pavement 8 to be tested, with fluid sealant, base 5 and pervious concrete pavement to be tested 8 contact positions are tightly connected, the diameter of described graduated cylinder 1 is 50.5mm, if the water column falling head be 1cm the corresponding volume that reduces be about 20ml.
Described cone tank 52 lower end diameter are 150mm, wax is rolled in the zone beyond cone tank 52 lower end diameter 150mm process.
Drop to first scale h by the water column that records in graduated cylinder from original scale H
2Time t as required in 50cm
2Drop to h with water column from original scale H
1Time t as required in 0cm
1, just can be calculated as follows out the permeability rate K (mm/s) of pervious concrete pavement:
K=(h
2-h
1)/(t
1-t
2)
In formula: K is the permeability rate of pervious concrete pavement, the mm/s of unit; t
1For water column drops to h from original scale Hcm
1The time t that cm is required
1, t
2For water column drops to h from original scale Hcm
1The time t that cm is required
1
Claims (5)
1. graduated cylinder device that is used for test pervious concrete pavement permeability rate, it is characterized in that: comprise a horizontal supporting plate and a vertical graduated cylinder, on described back up pad, planar central is provided with a groove, described graduated cylinder bottom is plugged in described groove, described back up pad below vertically arranges a rising pipe, described rising pipe upper end and graduated cylinder bottom connection, described rising pipe is provided with valve.
2. graduated cylinder device according to claim 1 is characterized in that: described graduated cylinder bottom centre is provided with the first through hole, and described rising pipe upper end open and the first through hole are communicated with.
3. graduated cylinder device according to claim 2, is characterized in that: be provided with O-ring seal between described graduated cylinder bottom and back up pad.
4. graduated cylinder device according to claim 3 is characterized in that: described graduated cylinder upper end is provided with pressurizing valve and tensimeter.
5. graduated cylinder device according to claim 4, it is characterized in that: described graduated cylinder is the organic glass graduated cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320016078 CN202994235U (en) | 2013-01-11 | 2013-01-11 | Measuring cylinder device for testing permeable rate of pervious concrete pavement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320016078 CN202994235U (en) | 2013-01-11 | 2013-01-11 | Measuring cylinder device for testing permeable rate of pervious concrete pavement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202994235U true CN202994235U (en) | 2013-06-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320016078 Expired - Fee Related CN202994235U (en) | 2013-01-11 | 2013-01-11 | Measuring cylinder device for testing permeable rate of pervious concrete pavement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202994235U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103076061A (en) * | 2013-01-11 | 2013-05-01 | 浙江驰成建设有限公司 | Measuring cylinder device used for testing permeable rate of permeable concrete pavement |
-
2013
- 2013-01-11 CN CN 201320016078 patent/CN202994235U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103076061A (en) * | 2013-01-11 | 2013-05-01 | 浙江驰成建设有限公司 | Measuring cylinder device used for testing permeable rate of permeable concrete pavement |
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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 |
Granted publication date: 20130612 Termination date: 20160111 |