CN103076061A - Measuring cylinder device used for testing permeable rate of permeable concrete pavement - Google Patents
Measuring cylinder device used for testing permeable rate of permeable concrete pavement Download PDFInfo
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- CN103076061A CN103076061A CN2013100114417A CN201310011441A CN103076061A CN 103076061 A CN103076061 A CN 103076061A CN 2013100114417 A CN2013100114417 A CN 2013100114417A CN 201310011441 A CN201310011441 A CN 201310011441A CN 103076061 A CN103076061 A CN 103076061A
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- graduated cylinder
- measuring cylinder
- concrete pavement
- cylinder device
- permeable
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Abstract
The invention discloses a measuring cylinder device used for testing the permeable rate of the permeable concrete pavement. The measuring cylinder device comprises a horizontal support plate and a vertical measuring cylinder, wherein a groove is arranged in the center of the upper plane of the support plate, the bottom of the measuring cylinder is inserted and connected into the groove, a water outlet pipe is vertically arranged under the support plate, the upper end of the water outlet pipe is communicated with the bottom of the measuring cylinder, and a valve is arranged on the water outlet pipe. Through the recording of the water column descending height in the measuring cylinder and the required time, the permeable rate of the paved permeable concrete pavement can be precisely calculated.
Description
Technical field
The invention belongs to the proving installation technical field, specifically relate 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, coating the skim grout by coarse aggregate surface mutually bonds and forms the equally distributed cellular structure in hole, so 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 the 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 that the permeability rate of the pervious concrete pavement after the laying is difficult to learn.
Summary of the invention
Technical matters to be solved by this invention just provides a kind of permeability rate test graduated cylinder that can more accurately test the permeability rate of the pervious concrete pavement after the laying.
For solving the problems of the technologies described above, the present invention 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, planar central is provided with a groove on the described back up pad, described graduated cylinder bottom is plugged in the described groove, described back up pad below vertically arranges a rising pipe, and described rising pipe upper end and graduated cylinder bottom are communicated with, 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 the back up pad.
Preferably, be provided with pressurizing valve and tensimeter on the described graduated cylinder.
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 places on the 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 present invention tests by the pervious concrete pavement of selecting certain area, possessed the on-the-spot test function, behind the valve open, water column in the graduated cylinder contacts with pervious concrete behind the first through hole, the second through hole, rising pipe, third through-hole and the cone tank and through pervious concrete, described cone tank structure can make water column flow to pervious concrete pavement along the cone tank side face, water colunm height in the graduated cylinder reduces, and can more accurately calculate the permeability rate of the pervious concrete pavement after the laying by the water column falling head in the record graduated cylinder and required time.
Description of drawings
The invention will be further described below in conjunction with the drawings and specific embodiments:
Fig. 1 is the structural representation of permeability rate proving installation of the present invention.
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, planar central is provided with a groove on the described back up pad, described graduated cylinder bottom is plugged in the 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 the rising pipe 6, described rising pipe 6 upper ends are connected with back up pad 3, and described rising pipe 6 lower ends are connected with base 5; Middle part, described graduated cylinder 1 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, permeability rate proving installation of the present invention is placed on the 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 then the corresponding volume that reduces be about 20ml.
Described cone tank 52 lower end diameter are 150mm, wax is rolled in the zone beyond the cone tank 52 lower end diameter 150mm process.
Drop to first scale h by the water column in the record graduated cylinder from original scale H
2The time t required such as 50cm
2Drop to h with water column from original scale H
1The time t required such as 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 the 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, planar central is provided with a groove on the described back up pad, described graduated cylinder bottom is plugged in the described groove, described back up pad below vertically arranges a rising pipe, described rising pipe upper end and graduated cylinder bottom are communicated with, and 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 the back up pad.
4. graduated cylinder device according to claim 3 is characterized in that: be provided with pressurizing valve and tensimeter on the described graduated cylinder.
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 |
|---|---|---|---|
| CN2013100114417A CN103076061A (en) | 2013-01-11 | 2013-01-11 | Measuring cylinder device used for testing permeable rate of permeable concrete pavement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100114417A CN103076061A (en) | 2013-01-11 | 2013-01-11 | Measuring cylinder device used for testing permeable rate of permeable concrete pavement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103076061A true CN103076061A (en) | 2013-05-01 |
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ID=48152671
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013100114417A Pending CN103076061A (en) | 2013-01-11 | 2013-01-11 | Measuring cylinder device used for testing permeable rate of permeable concrete pavement |
Country Status (1)
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| CN (1) | CN103076061A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105651664A (en) * | 2014-11-18 | 2016-06-08 | 交通运输部公路科学研究所 | A method for automatically measuring a pavement water permeability coefficient and a device therefor |
| CN113533141A (en) * | 2021-06-28 | 2021-10-22 | 中交上海三航科学研究院有限公司 | Method for testing water absorption of silane impregnated concrete |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004361193A (en) * | 2003-06-04 | 2004-12-24 | Tobishima Corp | Water permeability test apparatus |
| CN201331482Y (en) * | 2009-01-21 | 2009-10-21 | 河南省第一建筑工程集团有限责任公司 | Device for determining permeation coefficient of permeable concrete |
| CN202204756U (en) * | 2011-09-07 | 2012-04-25 | 福建工程学院 | Water-transmitting coefficient testing instrument of water-transmitting concrete |
| CN202994235U (en) * | 2013-01-11 | 2013-06-12 | 浙江驰成建设有限公司 | Measuring cylinder device for testing permeable rate of pervious concrete pavement |
-
2013
- 2013-01-11 CN CN2013100114417A patent/CN103076061A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004361193A (en) * | 2003-06-04 | 2004-12-24 | Tobishima Corp | Water permeability test apparatus |
| CN201331482Y (en) * | 2009-01-21 | 2009-10-21 | 河南省第一建筑工程集团有限责任公司 | Device for determining permeation coefficient of permeable concrete |
| CN202204756U (en) * | 2011-09-07 | 2012-04-25 | 福建工程学院 | Water-transmitting coefficient testing instrument of water-transmitting concrete |
| CN202994235U (en) * | 2013-01-11 | 2013-06-12 | 浙江驰成建设有限公司 | Measuring cylinder device for testing permeable rate of pervious concrete pavement |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105651664A (en) * | 2014-11-18 | 2016-06-08 | 交通运输部公路科学研究所 | A method for automatically measuring a pavement water permeability coefficient and a device therefor |
| CN113533141A (en) * | 2021-06-28 | 2021-10-22 | 中交上海三航科学研究院有限公司 | Method for testing water absorption of silane impregnated concrete |
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Application publication date: 20130501 |