CN202204756U - Water-transmitting coefficient testing instrument of water-transmitting concrete - Google Patents
Water-transmitting coefficient testing instrument of water-transmitting concrete Download PDFInfo
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- CN202204756U CN202204756U CN2011203353755U CN201120335375U CN202204756U CN 202204756 U CN202204756 U CN 202204756U CN 2011203353755 U CN2011203353755 U CN 2011203353755U CN 201120335375 U CN201120335375 U CN 201120335375U CN 202204756 U CN202204756 U CN 202204756U
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- graduated cylinder
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- pervious concrete
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Abstract
A water-transmitting coefficient testing instrument of water-transmitting concrete comprises a base, a measuring cylinder, a support and a first seal ring. The base is provided with an upper opening and a middle cylinder. The inner diameter of the upper opening is larger than the inner diameter of the middle cylinder. The measuring cylinder is inserted into the upper opening and abuts against the top end of the middle cylinder. The first seal ring is arranged between the outer surface of the measuring cylinder and the upper opening. The support comprises a fixing ring and a plurality of support columns. The fixing ring is sleeved on the measuring cylinder and suspended at one ends of the support columns. The other ends of the support columns are suspended on the ground. The water-transmitting coefficient testing is simple in structure, concrete in parts, easy in assembly between the parts, good in seal performance between the parts, good in stability and high in measuring accuracy.
Description
[technical field]
The utility model relates to a kind of sensing equipment of ecological porous pavement, relates in particular to a kind of pervious concrete coefficient of permeability tester.
[background technology]
The face of land of modern city is many to be covered by the building construction of reinforced concrete and fluid-tight road surface; Compare with the soil of nature; Common concrete road surface lacks respiratory; Absorb the ability of heat and infiltration rainwater, thereby also brought a series of environmental problem, concrete is considered to destroy the arch-criminal of nature always.As long as but make continuous hole be able to form, just can create being connected a little of concrete road surface and physical environment.Pervious concrete is an opportunity because have cellular porous structure for the earth environment that recovers constantly to wreck; It has the different features with normal concrete institute: unit weight is little, the capillarity of water is not remarkable, ventilative, water permeability is big; Cement consumption is little, construction is simple etc.; Therefore pervious concrete receives people's attention day by day as a kind of new environment-friendly type, ecotypic hardstand and ground surface material.
And the factor of decision porous pavement performance most critical is a coefficient of permeability; Said coefficient of permeability is meant that water is through the infiltration capacity of unit floor area in the unit interval; The computing formula of coefficient of permeability is:
K be coefficient of permeability; A was the water floor area; Q is the water infiltration capacity, and T is a time of penetration.The existing general employing of the pervious concrete coefficient of permeability tester structure as shown in Figure 4 that can carry out non-damaged test at the scene; Mainly comprise a graduated cylinder 2 ', a top board 3 ', a base 1 ', a water permeable area standard ring 4 ', three column supports 5 ', a plurality of counterweight circle 6 ' and one have a switch handle 71 ' ball valve 7 '; Said graduated cylinder 2 ' with top board 3 ' between be connected through screw thread (not shown); Said top board 3 ' with base 1 ' respectively and column support 5 ' be fixedly connected; Said base 1 ' place water permeable area standard ring 4 ' on; Said counterweight circle 6 ' be stacked in base 1 ' on, said valve 7 ' be arranged on top board 3 ' and base 1 ' between distribution channel in.But this tester complex structure, parts are various, assembling difficulty between each parts; Graduated cylinder 2 ' with top board 3 ' between only through being threaded, can cause whole tester stability with great difficulty do not topple over and graduated cylinder and top board between poor sealing cause measurement data inaccurate.
[utility model content]
The utility model technical matters to be solved is to provide a kind of pervious concrete coefficient of permeability tester; Not only simple in structure, parts are simplified, between each parts between simple easily, each parts of assembling sealing good, and the utility model has good stability, the measurement result precision high.
The utility model solves the problems of the technologies described above through following technical scheme: a kind of pervious concrete coefficient of permeability tester; Comprise that a base, an outer wall are provided with the graduated cylinder of level scale line, a support, one first O-ring seal; Said base have one suitable for reading and one in tube, this internal diameter suitable for reading is greater than the internal diameter of middle tube; Said graduated cylinder be inserted in this suitable for reading in and fit with the top of middle tube, said first O-ring seal be located at the graduated cylinder outside surface and suitable for reading between; Said support comprises a set collar and complex root support column, and this Fixing shrink ring is located on the graduated cylinder and is set up in an end of this support column whenever, and whenever the other end frame of this support column on ground.
Preferably, this tester also comprises a timer.
Preferably, this tester also comprises a counterweight circle; And the bottom of said base also has a chassis, and said counterweight snare is pressed on this chassis.
Preferably, be provided with one second O-ring seal between the bottom of said graduated cylinder and the middle tube.
Preferably, the internal diameter of said graduated cylinder equates with the internal diameter of middle tube.
Preferably, the scale value unit of said level scale line is mm.
Preferably, the scale 0mm of said level scale line lowermost end and the distance on said top suitable for reading are preferably 50-60cm.
The advantage of the utility model is: adopt a base, a graduated cylinder, a support, one first O-ring seal can constitute a pervious concrete coefficient of permeability tester, simple in structure, parts are simplified; Gap between graduated cylinder and the base makes that through first O-ring seal sealing sealing is good between each parts of the utility model, thereby makes the utility model measurement result precision high; The support that adopts the upper end to be provided with a set collar is fixed graduated cylinder, has improved the stability of the utility model greatly, and assembling is easily simple between each parts.
[description of drawings]
Combine embodiment that the utility model is done further to describe with reference to the accompanying drawings.
Fig. 1 is the one-piece construction synoptic diagram of the utility model.
Fig. 2 is the vertical view of the utility model.
Fig. 3 is the longitudinal diagram of the base in the utility model.
Fig. 4 is the structural representation of existing pervious concrete coefficient of permeability tester.
[embodiment]
Shown in Fig. 1-3, a kind of pervious concrete coefficient of permeability tester comprises a base 1, a graduated cylinder 2, one first O-ring seal 3, one second O-ring seal 4, a support 5, counterweight circle 6, a timer (not shown).Said base 1 has tube 12 and one chassis 13 in suitable for reading 11; The external diameter of said suitable for reading 11 external diameter and middle tube 12 equates; Said suitable for reading 11 internal diameter is greater than the internal diameter of middle tube 12; And this internal diameter of suitable for reading 11 is more than or equal to the external diameter of said graduated cylinder 2, and the external diameter on said chassis 13 is greater than external diameter suitable for reading 11, middle tube 12.
Please consult Fig. 1 again, said graduated cylinder 2 is inserted in suitable for reading 11 and with the top 121 of middle tube 12 and fits, and the internal diameter of this graduated cylinder 2 equates with the internal diameter of middle tube 12; Like this when calculating coefficient of permeability; Graduated cylinder area and middle tube area are cancelled out each other, and need not carry out area and convert, and calculate simple, easy master.Has the first gap a between said graduated cylinder 2 outside surfaces and suitable for reading 11; Said first O-ring seal 3 is located between graduated cylinder 2 outside surfaces and suitable for reading 11; This first O-ring seal 3 is sheathed on the graduated cylinder 2 and is positioned at this first gap a; The first gap a between the sealing graduated cylinder 2 and suitable for reading 11, water oozes out from the first gap a between graduated cylinder 2 and suitable for reading 11 when preventing to test, and prevents that graduated cylinder 2 from breaking because of running into 11 inwalls suitable for reading; Be provided with one second O-ring seal 4 between the bottom of said graduated cylinder 2 and the middle tube 12; Said second O-ring seal 4 is stacked on the top 121 of middle tube 12; So that graduated cylinder 2 contacts closely with the top 121 of middle tube 12; Thereby anti-sealing from graduated cylinder 2 with the second gap b between tins 12 the top 121 ooze out among the first gap a between graduated cylinder 2 and suitable for reading 11; The setting of second O-ring seal 4 can prevent effectively that also graduated cylinder 2 from breaking because of tube 12 tops 121 in running into, and said first O-ring seal 3, second O-ring seal 4 are rubber ring.Said graduated cylinder 2 sidewalls are provided with level scale line 21; Be the convenient coefficient of permeability that calculates; Can the scale value unit of this level scale line 21 be made as mm; Wherein scale 0mm is positioned at the lowermost end of said level scale line 21, and for ease of tester's reading, scale 0mm and said suitable for reading 11 top 121 distances are preferably 50-60cm.
As shown in Figure 1; Said support 5 comprises a set collar 51 and complex root support column 52; This set collar 51 is sheathed on the graduated cylinder 2 and is set up in an end of this support column 52 whenever, and whenever the other end frame of this support column 52 is on ground, and the rubber blanket jam-pack is adopted in the gap (not shown) between set collar 51 and the graduated cylinder 2; When preventing in the graduated cylinder 2 water filling or during the utility model test, graduated cylinder 2 shakes or topples over.Said counterweight circle 6 is a steel ring; These counterweight circle 6 covers are pressed on the chassis 13 of base 1, so that the decline of the center of gravity of the utility model, thereby the stability of enhancing the utility model; In addition; The setting of counterweight circle 6 can make the chassis 13 of base 1 contact with permeable concrete ground closely, and anti-sealing oozes out from the gap (not shown) between said chassis 13 and the permeable concrete ground.
The utility model can carry out non-damaged test at the pervious concrete scene, and when utilizing the coefficient of permeability of the utility model test pervious concrete, promptly the utility model is when using:
(1) permeable concrete ground cleaning to be measured is clean, and water is fully moistening;
(2) on the permeable concrete ground of handling gained through step (1), place plasticine, then said base 1 is placed on the plasticine also firmly to compress, will clamp-on base 1 inner plasticine then and cut away, so that the internal diameter of plasticine is consistent with the internal diameter of base 1;
(3) the counterweight snare is put on the chassis 13 of said base 1, and places second O-ring seal 4 on middle tube 12 tops 121 of said base 1;
(4) graduated cylinder 2 that the lower end is arranged with first O-ring seal 3 insert said base 1 suitable for reading 11 in closely contact with second O-ring seal 4 until the bottom of graduated cylinder 2; Adjust the position of first O-ring seal 3 then, make the first gap a between first O-ring seal, the 3 sealing graduated cylinders 2 and said suitable for reading 11;
(5) set collar 51 with support 5 is inserted in graduated cylinder 2, and the support column 52 of support 5 is supported on the permeable concrete ground, adopts the gap (not shown) between rubber blanket jam-pack set collar 51 and the graduated cylinder 2;
(6) be filled in the graduated cylinder 2 and exceed graduated cylinder 2 scale mark certain altitudes topmost;
(7) water level in graduated cylinder 2 is reduced to a certain scale value H
1In time, pick up counting, and record graduated cylinder 2 scale value H this moment
1
(8) after the process certain time interval T, the water levels in the graduated cylinder 2 drop to another scale value H
2The time, stop timing, and the scale value H of record graduated cylinder 2 this moment
2
(9) press following formula calculates pervious concrete according to timing result coefficient of permeability:
In the formula: the coefficient of permeability of K-pervious concrete
A was the water floor area
Q is the water infiltration capacity
H
1-height of water level when picking up counting in the graduated cylinder 2
H
2Heights of water level in-the graduated cylinder 2 when stopping timing
Water level in the T-graduated cylinder 2 is from H
1Drop to H
2Time
(10) repeat (6)～(9) three times, the mean value of getting three times is as the coefficient of permeability test result of this test point.
In sum; The utility model is simple in structure, parts are simplified, good, high, the convenient measurement operation of the little precision of measuring result error of sealing between simple easily, each parts of assembling between each parts; Non-damaged test is carried out in the optional position at the scene; And 5 pairs of said graduated cylinders of support that the utility model adopts the upper end to be provided with a set collar 51 fix, and have improved the stability of the utility model greatly.
Claims (7)
1. pervious concrete coefficient of permeability tester; Comprise that a base, an outer wall are provided with the graduated cylinder of level scale line, a support; It is characterized in that: also comprise one first O-ring seal, said base have one suitable for reading and one in tube, this internal diameter suitable for reading is greater than the internal diameter of middle tube; Said graduated cylinder be inserted in this suitable for reading in and fit with the top of middle tube, said first O-ring seal be located at the graduated cylinder outside surface and suitable for reading between; Said support comprises a set collar and complex root support column, and this Fixing shrink ring is located on the graduated cylinder and is set up in an end of this support column whenever, and whenever the other end frame of this support column on ground.
2. pervious concrete coefficient of permeability tester as claimed in claim 1, it is characterized in that: this tester also comprises a timer.
3. pervious concrete coefficient of permeability tester as claimed in claim 1 is characterized in that: this tester also comprises a counterweight circle; And the bottom of said base also has a chassis, and said counterweight snare is pressed on this chassis.
4. pervious concrete coefficient of permeability tester as claimed in claim 1 is characterized in that: be provided with one second O-ring seal between the bottom of said graduated cylinder and the middle tube.
5. pervious concrete coefficient of permeability tester as claimed in claim 1 is characterized in that: the internal diameter of said graduated cylinder equates with the internal diameter of middle tube.
6. pervious concrete coefficient of permeability tester as claimed in claim 1, it is characterized in that: the scale value unit of said level scale line is mm.
7. like claim 1 or 6 described pervious concrete coefficient of permeability testers, it is characterized in that: the scale 0mm of said level scale line lowermost end and the distance on said top suitable for reading are preferably 50-60cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203353755U CN202204756U (en) | 2011-09-07 | 2011-09-07 | Water-transmitting coefficient testing instrument of water-transmitting concrete |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203353755U CN202204756U (en) | 2011-09-07 | 2011-09-07 | Water-transmitting coefficient testing instrument of water-transmitting concrete |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202204756U true CN202204756U (en) | 2012-04-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203353755U Expired - Lifetime CN202204756U (en) | 2011-09-07 | 2011-09-07 | Water-transmitting coefficient testing instrument of water-transmitting concrete |
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| Country | Link |
|---|---|
| CN (1) | CN202204756U (en) |
Cited By (4)
| 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 |
| CN105203442A (en) * | 2015-10-16 | 2015-12-30 | 山东大学 | In-situ testing instrument and testing method for permeability coefficient of permeable pavement system |
| CN107340215A (en) * | 2016-12-26 | 2017-11-10 | 江苏苏博特新材料股份有限公司 | A kind of test device and method of testing for testing pervious concrete pavement coefficient of permeability |
| CN108458958A (en) * | 2018-01-18 | 2018-08-28 | 中国建筑材料科学研究总院有限公司 | A kind of porous pavement coefficient of permeability test device and test method |
-
2011
- 2011-09-07 CN CN2011203353755U patent/CN202204756U/en not_active Expired - Lifetime
Cited By (6)
| 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 |
| CN105203442A (en) * | 2015-10-16 | 2015-12-30 | 山东大学 | In-situ testing instrument and testing method for permeability coefficient of permeable pavement system |
| CN105203442B (en) * | 2015-10-16 | 2017-11-10 | 山东大学 | Porous pavement system infiltration coefficient in-situ test instrument and method of testing |
| CN107340215A (en) * | 2016-12-26 | 2017-11-10 | 江苏苏博特新材料股份有限公司 | A kind of test device and method of testing for testing pervious concrete pavement coefficient of permeability |
| CN108458958A (en) * | 2018-01-18 | 2018-08-28 | 中国建筑材料科学研究总院有限公司 | A kind of porous pavement coefficient of permeability test device and test method |
| CN108458958B (en) * | 2018-01-18 | 2020-12-01 | 中国建筑材料科学研究总院有限公司 | Permeable pavement water permeability coefficient testing device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120425 |