CN204666478U - A kind of permeability coefficient detector - Google Patents
A kind of permeability coefficient detector Download PDFInfo
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- CN204666478U CN204666478U CN201520416382.6U CN201520416382U CN204666478U CN 204666478 U CN204666478 U CN 204666478U CN 201520416382 U CN201520416382 U CN 201520416382U CN 204666478 U CN204666478 U CN 204666478U
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- water
- test bucket
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- graduated cylinder
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Abstract
The utility model provides a kind of permeability coefficient detector, and it comprises: water inlet graduated cylinder (1), water exit test bucket (2), connecting pipe (3), base (4) and valve (5); Water inlet graduated cylinder (1) is connected by connecting pipe (3) with water exit test bucket (2), and connecting pipe (3) central authorities arrange valve (5); The sidewall of water exit test bucket (2) is provided with rising pipe (22); Water inlet graduated cylinder (1) is connected with base (4) with the bottom of water exit test bucket (2).The utility model is convenient to shop experiment research, its compared with prior art, test accuracy is higher, can measure the decay situation in time of the water permeabilities such as water-permeable brick, can scene obtain core after carry out shop experiment research.
Description
Technical field
The utility model relates to detecting instrument, particularly relates to a kind of permeability coefficient detector.
Background technology
Water-permeable brick is in the superiors on permeable pavement ground, and its water permeability oozes under directly affecting rainwater.Therefore need to detect to the coefficient of permeability of water-permeable brick the water permeability ensureing water-permeable brick.
The test unit of current detection pavement bricks coefficient of permeability has two classes, one class is the constant head infiltration coefficient test unit specified in specifications such as " permeable pavement brick and porous pavement plate " (GBT 25993-2010), and another kind is the varying head infiltration coefficient test unit specified in the specifications such as " urban road concrete road pavement brick " (DB11T 152-2003).The former is usually used in the coefficient of permeability that shop experiment detects the seepy materials such as water-permeable brick, it has larger advantage to the material detecting water permeability good, but because be constant head and the high-order deficiency of head, when test material water permeability is poor, its stringency of test is on the low side; The latter is usually used in the test of outdoor coefficient of permeability, and be mainly used to test material surface coefficient of permeability, test findings can not reflect material monolithic water permeability, and therefore it is poor to the applicability of shop experiment research.
Utility model content
For solving the problems of the technologies described above, the utility model provides a kind of permeability coefficient detector of pervious brick, and it is convenient to shop experiment research and experimental precision is higher.
The purpose of this utility model is achieved through the following technical solutions:
The utility model provides a kind of permeability coefficient detector, and it comprises:
Water inlet graduated cylinder, water exit test bucket, connecting pipe, base and valve;
Described water inlet graduated cylinder is connected by described connecting pipe with described water exit test bucket, and described connecting pipe central authorities arrange described valve; The sidewall of described water exit test bucket is provided with rising pipe;
Described water inlet graduated cylinder is connected with described base with the bottom of described water exit test bucket.
Further, described water exit test bucket comprises:
Heavy in section cylinder and small bore cylinder;
Described heavy in section cylinder is positioned at the top of described small bore cylinder;
Described rising pipe is arranged on the sidewall of described heavy in section cylinder.
Further, described water exit test bucket also comprises:
Shelf; Described shelf is hollow structure, is arranged on the central authorities position on the upper side of described small bore cylinder.
Further, described water inlet graduated cylinder is reducing water inlet graduated cylinder.
Further, the bottom of described water inlet graduated cylinder and water exit test bucket is provided with dewatering outlet; Described base sets out water pipe, and one end of this rising pipe connects with dewatering outlet, another termination valve, and connects peripheral ajutage by this valve.
As can be seen from above-mentioned the technical solution of the utility model, the utility model is convenient to shop experiment research, its compared with prior art, test accuracy is higher, the decay situation in time of the water permeabilities such as water-permeable brick can be measured, can scene obtain core after carry out shop experiment research.
Accompanying drawing explanation
Fig. 1 is stereographic map of the present utility model;
Fig. 2 is schematic front view of the present utility model;
Fig. 3 is A-A cut-open view of the present utility model;
Fig. 4 is B-B cut-open view of the present utility model.
In accompanying drawing:
Water inlet graduated cylinder 1, water exit test bucket 2, connecting pipe 3, base 4, valve 5; Heavy in section cylinder 21, rising pipe 22, small bore cylinder 23 and shelf 24; Dewatering outlet 11; Rising pipe 41.
Embodiment
For making the technical solution of the utility model more clear, below in conjunction with accompanying drawing, the utility model is explained.
The utility model provides a kind of permeability coefficient detector of pervious brick, and its structure as shown in Figures 1 to 4, comprising:
Water inlet graduated cylinder 1, water exit test bucket 2, connecting pipe 3, base 4 and valve 5;
Water inlet graduated cylinder 1 is connected by connecting pipe 3 with water exit test bucket 2, and connecting pipe 3 central authorities arrange place's valve 5.Connecting pipe 3 can be steel pipe, aluminium-plastic pipe, also can be flexible pipe.
Water inlet graduated cylinder 1 is connected with base 4 with the bottom of water exit test bucket 2.Water inlet graduated cylinder 1 can be fixedly connected with water exit test bucket 2 with the connected mode of base 4, also can not fix, also can adopt the mode be threaded.
Water inlet graduated cylinder 1 both side surface is carved with scale, represents volume and length respectively; Dewatering outlet 11 is provided with bottom it.
This water inlet graduated cylinder 1 can be the cylinder of variable diameters, can select different graduated cylinders by the coefficient of permeability different according to material during test.Water inlet graduated cylinder 1 have employed the design of variable diameters, thus is applicable to the coefficient of permeability test of different water permeability water-permeable brick.
Water exit test bucket 2 comprises heavy in section cylinder 21, rising pipe 22, small bore cylinder 23, shelf 24 and dewatering outlet 11.
Heavy in section cylinder 21 is positioned at the top of described small bore cylinder 23, and the object arranging this heavy in section cylinder 21 is for the ease of placing and taking out thing to be detected; Rising pipe 22 is arranged on the sidewall on heavy in section cylinder 21, and the angle of the center line of the center line of outlet 22 and water exit test bucket 2 is acute angle;
Shelf 24 is hollow structure, is arranged on the central authorities position on the upper side of small bore cylinder 23.Thing to be detected is conveniently fixed in the setting of this shelf 24, in order to avoid thing to be detected enters the bottom of small bore cylinder 23, and causes thing to be detected to be not easily removed;
Dewatering outlet 11 is arranged on the bottom of water exit test bucket 2.
Base 4 sets out water pipe 41, one end of this rising pipe 41 connects with dewatering outlet 11, another termination valve, and connects peripheral ajutage by this valve.
Above-mentioned water inlet graduated cylinder 1 and the layout of water exit test bucket 2 are not limited to the mode of above-mentioned lateral connection, and connection therebetween also can be and connects up and down.
Above-mentioned water inlet graduated cylinder 1, water exit test bucket 2 base 4 are made by organic glass.
Above-mentioned utility model not only may be used for the coefficient of permeability detecting water-permeable brick, and may be used for the experimental study of other materials except water-permeable brick.
Operation steps of the present utility model is as follows:
1, with corning machine, water-permeable brick is sampled, corning machine diameter of phi 10cm.Measure diameter (D) and the thickness (L) of cylindrical specimens with straight steel ruler, measure both sides respectively, average, be accurate to 0.1cm.Calculate the upper surface area (F) of sample.
2, the surrounding encapsulant of sample or alternate manner are sealed, make it water-tight, water only permeates from the upper and lower surface of sample.
3, sample is put into distilled water and soak 20min, take out the water wiping surface.
4, taken out by sample, load permeable experimental provision and go out in water exit test bucket 2, sample faces down, and sample is connected good seal with the periphery of the shelf 24 of water exit test bucket 2, makes its border water-tight.
5, open into the valve between water graduated cylinder 1 and water exit test bucket 2, inject distilled water from water inlet graduated cylinder 1, after flowing out water from rising pipe 22, stop water filling, valve-off.
6, distilled water is injected to H=50cm place (namely higher than water exit test bucket 2 liquid level 50cm) to water inlet graduated cylinder 1, open water supply valve, make water enter water exit test bucket 2.
7, water is from rising pipe 22 overflow on water exit test bucket 2 side, rising pipe 22 times placement overflow grooves.
8, open valve to start with manual time-keeping, water often decline 5cm records a time t
i.Until water exit test bucket 2 is identical with water inlet graduated cylinder 1 both sides surface level.If the time does not drop to next height more than 600s, then stop record.
9, by the temperature (T) of water in overflow groove in thermometer measure test, 0.5 DEG C is accurate to.
10, calculate coefficient of permeability, computing formula is as follows:
In formula:
K
t---coefficient of permeability;
The upper surface area of F---test specimen, unit is square centimeter (cm
2);
The sectional area of A---flooding tube, this test flooding tube diameter 50cm, computing nodes amasss 19.63 square centimeters of (cm
2);
The thickness of L---test, unit area centimetre (cm);
T
i---head drops to 0cm from 50cm, the time of the 5cm that often declines.T
2-t
1for the mistiming.
Hi---record the height of head fall time, i.e. 50cm, 45cm, 40cm ... 5cm.
The coefficient of dynamic viscosity ratio of η---water, sees the following form.This test with 15 DEG C of water temperatures for standard temperature.
The coefficient of dynamic viscosity of water sees the following form one than η:
Table one
Although the utility model with preferred embodiment openly as above, embodiment is not of the present utility model for limiting.Not departing from the spirit and scope of the utility model, any equivalence change done or retouching, belong to the protection domain of the utility model equally.Therefore the content that protection domain of the present utility model should define with the claim of the application is standard.
Claims (5)
1. a permeability coefficient detector, is characterized in that, described permeability coefficient detector comprises:
Water inlet graduated cylinder (1), water exit test bucket (2), connecting pipe (3), base (4) and valve (5);
Described water inlet graduated cylinder (1) is connected by described connecting pipe (3) with described water exit test bucket (2), and described connecting pipe (3) central authorities arrange described valve (5); The sidewall of described water exit test bucket (2) is provided with rising pipe (22);
Described water inlet graduated cylinder (1) is connected with described base (4) with the bottom of described water exit test bucket (2).
2. permeability coefficient detector according to claim 1, is characterized in that, described water exit test bucket (2) comprising:
Heavy in section cylinder (21) and small bore cylinder (23);
Described heavy in section cylinder (21) is positioned at the top of described small bore cylinder (23);
Described rising pipe (22) is arranged on the sidewall of described heavy in section cylinder (21).
3. permeability coefficient detector according to claim 2, is characterized in that, described water exit test bucket (2) also comprises:
Shelf (24); Described shelf (24) is hollow structure, is arranged on the central authorities position on the upper side of described small bore cylinder (23).
4. the permeability coefficient detector according to claims 1 to 3 any one, is characterized in that, described water inlet graduated cylinder (1) is reducing water inlet graduated cylinder.
5. permeability coefficient detector according to claim 4, is characterized in that,
The bottom of described water inlet graduated cylinder (1) and water exit test bucket (2) is provided with dewatering outlet (11);
Described base (4) sets out water pipe (41), one end of this rising pipe (41) connects with dewatering outlet (11), another termination valve, and connects peripheral ajutage by this valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520416382.6U CN204666478U (en) | 2015-06-16 | 2015-06-16 | A kind of permeability coefficient detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520416382.6U CN204666478U (en) | 2015-06-16 | 2015-06-16 | A kind of permeability coefficient detector |
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| Publication Number | Publication Date |
|---|---|
| CN204666478U true CN204666478U (en) | 2015-09-23 |
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ID=54136852
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520416382.6U Expired - Fee Related CN204666478U (en) | 2015-06-16 | 2015-06-16 | A kind of permeability coefficient detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204666478U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105403496A (en) * | 2015-11-20 | 2016-03-16 | 湖北康曼材料科技有限公司 | Full-automatic detection equipment and detection method for water permeation rate of water permeable brick |
| CN107976393A (en) * | 2017-11-24 | 2018-05-01 | 金陵科技学院 | Permeation coefficient of permeable concrete constant head and varying head test device and test method |
| CN108593518A (en) * | 2018-04-23 | 2018-09-28 | 长安大学 | Permeable pavement structure is permeable and the test device and its working method of decay property |
-
2015
- 2015-06-16 CN CN201520416382.6U patent/CN204666478U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105403496A (en) * | 2015-11-20 | 2016-03-16 | 湖北康曼材料科技有限公司 | Full-automatic detection equipment and detection method for water permeation rate of water permeable brick |
| CN105403496B (en) * | 2015-11-20 | 2017-12-12 | 湖北康曼材料科技有限公司 | A kind of full-automatic water-permeable brick permeation rate detection device and its detection method |
| CN107976393A (en) * | 2017-11-24 | 2018-05-01 | 金陵科技学院 | Permeation coefficient of permeable concrete constant head and varying head test device and test method |
| CN108593518A (en) * | 2018-04-23 | 2018-09-28 | 长安大学 | Permeable pavement structure is permeable and the test device and its working method of decay property |
| CN108593518B (en) * | 2018-04-23 | 2024-01-26 | 长安大学 | Device for testing water permeability and decay performance of water permeable pavement structure and working method thereof |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150923 |