CN206638555U - A kind of water permeability coefficient of water permeable brick test device simple to operate - Google Patents
A kind of water permeability coefficient of water permeable brick test device simple to operate Download PDFInfo
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- CN206638555U CN206638555U CN201720406623.8U CN201720406623U CN206638555U CN 206638555 U CN206638555 U CN 206638555U CN 201720406623 U CN201720406623 U CN 201720406623U CN 206638555 U CN206638555 U CN 206638555U
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Abstract
A kind of water permeability coefficient of water permeable brick test device simple to operate, including：Permeable cylinder (1) with a scale, upper sealed cylindrical (2), plasticine (3), lower sealed cylindrical (4), support (5) and time set with a scale；Permeable cylinder (1) with a scale is connected through a screw thread with upper sealed cylindrical (2) with a scale；Test sample on a scale between sealed cylindrical (2) and lower sealed cylindrical (4), by plasticine (3) filled and realized by its perimetric hermetic；Lower sealed cylindrical (4) is fixed by support (5) plug-in type.The utility model changes over time to obtain water permeability coefficient of water permeable brick by measuring height of water level, and the device to test cycle is short, and accuracy is high, and simple to operate, data are easy to get, and water consumption is few, energy-conserving and environment-protective.
Description
Technical field
The utility model belongs to building material field, and in particular to a kind of test of laboratory development water-permeable brick water permeability
Device.
Background technology
In cyberage, the propulsion of urbanization quickly will more will not only develop towards green ecological.The mankind destroy one
Piece piece vegetation, the substitute is building, road and Large Infrastructure Projects.According to statistics, more than ten of big city such as domestic Beijing, Shanghai
The average Permeable stratum area in city is up to 71.3%, and mostly more than 50%, these ooze the Permeable stratum area of main cities in the world
The bad road of permeability changes natural soils vegetation living environment, has blocked and has been exchanged with outside moisture, air and microorganism,
Thus a series of ecological problems have been triggered.Simultaneously serious surface gathered water also brings along a series of safety problems, so mating formation
The water permeability of water-permeable brick used in road directly affects the construction of ecocity.《Green building assessment standard》(GB/T 50387-
2006) place is mated formation in requirement, clearly proposes to promote seepy material, the outdoor pervious surface area ratio of public building aspect
40%, pervious surface area is than 45% outside the room of residential quarter, therefore water permeability coefficient of water permeable brick is by as one of evaluation ecocity
Important indicator.
National standard《Permeable pavement brick and porous pavement plate》(GB/T 25663-2010) appendix C provides coefficient of permeability
Method of testing and experimental provision, three a diameter of, thickness identical cylinder is sample by producing for this device, and it is thick to measure its
(L) and top surface area (A) are spent, makes its water-tight sample surrounding encapsulant good seal, water supply valve is opened, when overflow
When the overfall of the overfall of tank and permeable cylinder outflow water is stable, start to record time t from delivery port water receiving with graduated cylinder
The water (Q) of interior outflow, and the water level of permeable cylinder and the difference (H) of overflow tank water level are measured, so as to be calculated using formula
Go out the coefficient of permeability of the laboratory sample.Obvious this experimental provision can only test a kind of sample, and in experimentation control and
The parameter of measurement is more, and device has phenomena such as cumbersome, cost of manufacture is high, and water resource waste is serious.
Utility model content
For above-mentioned technical problem, the utility model provides a kind of test device of water permeability coefficient of water permeable brick, real
Existing high efficiency, high accuracy, the simple to operate, experiment effect that economizes on resources.
To achieve the above object, the technical scheme of use is as follows for the utility model：
A kind of water permeability coefficient of water permeable brick test device simple to operate, including permeable cylinder with a scale, upper sealing with a scale
Cylinder, lower sealed cylindrical, support, plasticine and stopwatch, wherein permeable cylinder with a scale passes through with upper sealed cylindrical with a scale
Threaded connection；Test sample on a scale between sealed cylindrical and lower sealed cylindrical, by plasticine filled out by its perimetric hermetic
Enrich existing；Lower sealed cylindrical is fixed by support.
Further, the upper sealed cylindrical with a scale is tapered, and inside has diameter phi 50mm, φ 75mm and φ 100mm
Three steps, shoulder height 20mm.Outside indicates height and the position of three steps.
Further, the lower sealed cylindrical is made up of two cylindrical sections of the upper inner diameter more than lower inner diameter 10mm；Justify on top
Cylinder height have to be larger than 20mm, less than 30mm.
Further, the lower sealed cylindrical includes：Upper inner diameter φ 60mm, lower inner diameter φ 50mm lower sealing circle
Cylinder；Upper inner diameter φ 85mm, lower inner diameter φ 75mm lower sealed cylindrical；Upper inner diameter φ 110mm, lower inner diameter φ 100mm
Lower sealed cylindrical.
Further, the lower sealed cylindrical and the support use socket connection.
Further, the permeable cylinder with a scale, upper sealed cylindrical with a scale and lower sealed cylindrical are lucite material
Material；The support is Q235 materials.
The beneficial effects of the utility model：
First, test device of the present utility model is simple, easy to operate, and water consumption is few；Pass through test experiments process reclaimed water
Change with time and can obtain final result in position.
Second, test sample of the present utility model increases, and has universality, including：Specimen finish φ 50mm~60mm are (suitable
The test of sample is prepared for laboratory), φ 75mm~85mm (being applied to GB/T 25663-2010 test requests) and φ
100mm~110mm (is applied to CJJ/T 135-2009 test requests)；Thickness of sample is 20mm~50mm.
3rd, the utility model test result accuracy improves.
4th, the utility model test period is short, and water level is exponentially decayed with the time.
5th, the utility model can study water level and change with time trend, have very big meaning to drainage system.
Brief description of the drawings
Fig. 1 is the half sectional view of utility model
Fig. 2 is the A-A sectional views of utility model
Fig. 3-1 is the schematic diagram of sealed cylindrical (4-1) under utility model
Fig. 3-2 is the schematic diagram of sealed cylindrical (4-2) under utility model
Fig. 3-3 is the schematic diagram of sealed cylindrical (4-3) under utility model
Fig. 4 is three step schematic diagrames of utility model upper sealed cylindrical with a scale
In figure：
1st, permeable cylinder with a scale, 2, upper sealed cylindrical with a scale, 3, plasticine, 4, lower sealed cylindrical, 5, support, 4-1,
Sealed cylindrical under φ 50mm, sealed cylindrical under 4-2, φ 75mm, sealed cylindrical under 4-3, φ 100mm.
Embodiment
The utility model is further elaborated with concrete operations flow below in conjunction with the accompanying drawings.
As shown in Figures 1 to 4, the utility model provides a kind of water permeability coefficient of water permeable brick test device, including：
Permeable cylinder 1 with a scale, upper sealed cylindrical 2 with a scale, plasticine 3, lower sealed cylindrical 4, support 5；
Permeable cylinder 1 with a scale is connected through a screw thread with upper sealed cylindrical 2 with a scale；Lower sealed cylindrical 4 is solid by support 5
It is fixed, using socket connection；On with a scale between sealed cylindrical 2 and lower sealed cylindrical 4, its perimetric hermetic leads to test sample
The filling of plasticine 3 is crossed to realize.
The diameter phi 50mm of permeable cylinder 1 with a scale, 15-0cm scale is indicated since bottom.
Upper sealed cylindrical 2 with a scale indicates φ 50mm, φ 75mm and φ 100mm symbol in outside, respectively in corresponding position
Put the sample of measurement corresponding size.
Lower sealed cylindrical 4 includes sealing under sealed cylindrical 4-2 and φ 100mm under sealed cylindrical 4-1, φ 75mm under φ 50mm
Cylinder 4-3.
Lower sealed cylindrical 4 connects the water through test sample with beaker below.
Above-mentioned permeable cylinder 1 with a scale, upper sealed cylindrical 2 with a scale and lower sealed cylindrical 4 are pmma material, support
5 be Q235 materials.
Test sample is according to GB/T0081-2002《Standard for test methods of mechanical properties of ordinary concrete》Make and through maintenance
Reach test age, test sample size is：Diameter phi 50mm~60mm, φ 75mm~85mm or φ 100mm~
110mm, thickness of sample are 30mm~50mm.
Then test as follows：
(1) according to the diameter dimension of test sample, corresponding lower sealed cylindrical 4 is selected；
(2) test sample is loaded to the lower sealed cylindrical 4 of above-mentioned selection, adjustment position causes test sample to justify with lower sealing
The center line of cylinder 4 essentially coincides；
(3) plasticine 3 is filled into the gap of test sample and the lower surrounding of sealed cylindrical 4；
(4) upper sealed cylindrical 2 with a scale is taken to tip upside down on test sample top, adjustment position causes upper sealed cylindrical with a scale
2 essentially coincide with the center line of test sample, then overturn the package system rapidly；
(5) plasticine 3 is filled into test sample with the gap of the upper surrounding of sealed cylindrical 2 with a scale, pressing closely, directly
To the 1~2mm of top for crossing lower sealed cylindrical 4；
(6) above-mentioned package system is overturn rapidly, be then connected by plug-in type with support 5, the splicing position of support 5 is necessarily tight
The outer wall of sealed cylindrical 4 on the lower；
(7) permeable cylinder 1 with a scale is connected through a screw thread, be slowly screwed on upper sealed cylindrical 2 with a scale；
(8) toward water is slowly added into permeable cylinder 1 with a scale, whether detection water only flows out from the lower bottom of sealed cylindrical 4, if
It is not then to re-operate above-mentioned steps (2)~(7), if so, then carrying out next step；
(9) continue to be slowly added into water in toward permeable cylinder 1 with a scale until beyond 0 graduation mark 5cm or so；
(10) height of water level decreasing is observed, starts timing until water level flows to 0 scale；
(11) continue to observe water level decreasing height, waiting water level decreasing, (water level decreasing height is selected by experimenter oneself to 10cm
Take, but must not exceed 15cm) place's stopping timing, (H represents test sample surface to water by time t used in record, height of water level H
The vertical range of position, as shown in fig. 1)；
(12) coefficient of permeability of test sample is calculated according to timing result t and the height of water level H of measurement；
(13) the coefficient of permeability calculating formula of wherein step (12) is calculated as follows：
In formula：
--- the diameter of permeable cylinder, mm；
--- the lower inner diameter for the lower sealed cylindrical that step (1) is chosen, mm；
--- the thickness of test sample, mm；
--- test sample to the vertical range of 0 graduation mark, mm；
--- stop during timing test sample surface to the vertical range of water level, mm；
(14) further, be the more accurate result of test, multiple different H values can be chosen, then repeat step (9)~
(13) average value of multigroup test result, is calculated.
Claims (4)
- A kind of 1. water permeability coefficient of water permeable brick test device simple to operate, it is characterised in that the coefficient of permeability test device bag Include：Permeable cylinder (1), upper sealed cylindrical (2) with a scale, plasticine (3), lower sealed cylindrical (4), support (5) and meter with a scale When table；The permeable cylinder (1) with a scale is connected through a screw thread with the upper sealed cylindrical (2) with a scale；Test sample it is described it is with a scale between sealed cylindrical (2) and the lower sealed cylindrical (4), its perimetric hermetic passes through Plasticine (3) filling is realized；The lower sealed cylindrical (4) is fixed by the support (5) using plug-in type.
- 2. test device as claimed in claim 1, it is characterised in that：The upper sealed cylindrical (2) with a scale is tapered, internal With diameter phi 50mm, φ 75mm and φ 100mm three steps, shoulder height 20mm.
- 3. test device as claimed in claim 1, it is characterised in that：Under the lower sealed cylindrical (4) is more than by upper inner diameter Portion internal diameter 10mm two cylindrical sections composition；Top cylinder is highly more than 20mm, less than 30mm.
- 4. test device as claimed in claim 3, it is characterised in that the lower sealed cylindrical (4) includes：Upper inner diameter φ 60mm, lower inner diameter φ 50mm lower sealed cylindrical (4-1)；Upper inner diameter φ 85mm, lower inner diameter φ 75mm lower sealing circle Cylinder (4-2)；Upper inner diameter φ 110mm, lower inner diameter φ 100mm lower sealed cylindrical (4-3).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720406623.8U CN206638555U (en) | 2017-04-18 | 2017-04-18 | A kind of water permeability coefficient of water permeable brick test device simple to operate |
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| CN201720406623.8U CN206638555U (en) | 2017-04-18 | 2017-04-18 | A kind of water permeability coefficient of water permeable brick test device simple to operate |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108007844A (en) * | 2017-12-22 | 2018-05-08 | 山东大学 | A kind of road surface water-permeable brick permeability coefficient tester |
| CN112798502A (en) * | 2021-04-08 | 2021-05-14 | 西南交通大学 | Toughness city is with permeable pavement normal position and sample osmotic coefficient testing arrangement |
-
2017
- 2017-04-18 CN CN201720406623.8U patent/CN206638555U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108007844A (en) * | 2017-12-22 | 2018-05-08 | 山东大学 | A kind of road surface water-permeable brick permeability coefficient tester |
| CN112798502A (en) * | 2021-04-08 | 2021-05-14 | 西南交通大学 | Toughness city is with permeable pavement normal position and sample osmotic coefficient testing arrangement |
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