CN210322719U - Indoor testing device for transverse drainage capacity of permeable mixture - Google Patents
Indoor testing device for transverse drainage capacity of permeable mixture Download PDFInfo
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- CN210322719U CN210322719U CN201921175193.9U CN201921175193U CN210322719U CN 210322719 U CN210322719 U CN 210322719U CN 201921175193 U CN201921175193 U CN 201921175193U CN 210322719 U CN210322719 U CN 210322719U
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Abstract
The utility model discloses a mixture transverse drainage ability indoor testing arrangement permeates water, the mixture test piece that permeates water that awaits measuring lie in the upper cover plate under and between the apron, the both sides of the mixture test piece that permeates water that awaits measuring respectively with be provided with first gap and the gap of catchmenting between the inner wall of lower mould section of thick bamboo, have the second gap of intaking between the partly inner wall of upper cover plate outer peripheral face and lower mould section of thick bamboo, the second gap of intaking is linked together with first gap of intaking, sealing connection between other parts of upper cover plate outer peripheral face and the inner wall of lower mould section of thick bamboo, has the gap of intaking between the partly inner wall of lower cover plate outer peripheral face and the lower mould section of thick bamboo, wherein, go out the gap of intaking and be linked together, sealing connection between other parts of lower cover plate outer peripheral face and the inner wall of lower mould section of thick bamboo, the transverse drainage ability of the mixture.
Description
Technical Field
The utility model belongs to the civil engineering field relates to a transverse drainage ability indoor test device of mixture permeates water.
Background
Along with the development of the concept of sponge city, the application of the permeable pavement is more and more. What is directly connected with the sponge city in the permeable pavement is permeability, namely the permeability coefficient. The permeability coefficient is used as an important index for research of permeable asphalt pavements and permeable cement concrete, and occupies a very important position in the research. In the test of the permeability coefficient of the permeable material, almost all devices measure the permeability coefficient of the test piece in the vertical direction, most rainwater is transversely drained into a side water collecting ditch through a road cross slope except for actual construction types, so that the transverse drainage capacity of the permeable material needs to be further tested and explored, and therefore, the research of an indoor test device for the transverse drainage capacity of the permeable mixture is very necessary.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned prior art's shortcoming, provide a mixture transverse drainage ability indoor testing arrangement permeates water, the device can be comparatively accurate evaluation the transverse drainage ability of the mixture that permeates water.
In order to achieve the purpose, the indoor testing device for the transverse drainage capacity of the permeable mixture comprises an upper die cylinder, a lower die cylinder, a spray head, a water supply system, a flowmeter and a measuring cup;
the lower opening of the upper die cylinder is communicated with the top opening of the lower die cylinder, an upper cover plate and a lower cover plate are arranged in the lower die cylinder, a permeable mixture test piece to be tested is positioned between the upper cover plate and the lower cover plate, two sides of the permeable mixture test piece to be tested are respectively provided with a first water inlet gap and a water collecting gap between the two sides of the permeable mixture test piece to be tested and the inner wall of the lower die cylinder, a second water inlet gap is arranged between one part of the outer peripheral surface of the upper cover plate and the inner wall of the lower die cylinder, the second water inlet gap is communicated with the first water inlet gap, the other part of the outer peripheral surface of the upper cover plate is hermetically connected with the inner wall of the lower die cylinder, and a water outlet gap is arranged between one part of the outer peripheral surface of the lower cover plate and the inner wall of the lower die cylinder;
the side wall of the upper die cylinder is provided with a plurality of overflow ports, the spray head is positioned in the upper die cylinder and is opposite to the upper cover plate, and a water supply system is communicated with a water inlet of the spray head through a flowmeter;
the top opening of the measuring cup is positioned right below the outlet at the bottom of the lower die cylinder.
The side wall of the lower die cylinder is provided with a water outlet and a water inlet, wherein the water outlet on the side wall of the lower die cylinder is just opposite to the water collecting gap, the water inlet on the side wall of the lower die cylinder is positioned below the lower cover plate, the water outlet and the water inlet on the side wall of the lower die cylinder are communicated through a hose, and the hose is provided with a flow meter.
The water supply system comprises a water pump, a water storage barrel and a valve, wherein the water pump is positioned in the water storage barrel, and an outlet of the water pump is communicated with the spray head through the valve and the flowmeter.
The die comprises a lower die cylinder and is characterized by further comprising a hinged support, wherein the lower die cylinder is fixed on the hinged support.
The upper die cylinder and the lower die cylinder are connected through bolts.
All overflow ports are distributed from top to bottom in sequence.
The inner wall of the lower die cylinder, the peripheral surface of the lower cover plate and the peripheral surface of the upper cover plate are sealed through sealing rubber strips.
And the hinged support is provided with a height adjusting screw for adjusting an included angle between the permeable mixture test piece to be measured and the horizontal plane.
The utility model discloses following beneficial effect has:
indoor testing arrangement of mixture transverse drainage ability of permeating water when concrete operation, the mixture test piece centre gripping that permeates water is between upper cover plate and lower apron, be provided with first gap and the gap of catchmenting between the both sides of lower mould section of thick bamboo and the mixture test piece of permeating water that awaits measuring, the water that the shower nozzle sprayed out enters into first gap of intaking earlier, then the infiltration passes the mixture test piece that permeates water that awaits measuring and flows into the gap of catchmenting, and finally collect through the graduated flask, the water yield Q who flows into the graduated flask through recording time t, with the horizontal drainage ability k of calculating the mixture test piece that awaits measuring and permeating water, and easy operation, and is convenient, combine closely with conventional test, do not need to make the examination mould alone and make the test piece, use conventional test piece can accomplish the field measurement, do not have any harm to the test piece, do not influence the continuation use.
Furthermore, the inclination degree of the permeable mixture test piece to be tested is adjusted through the height adjusting screws so as to test the transverse drainage capacity of the permeable mixture test piece to be tested under different road arch cross slope conditions, and the test result is more consistent with the real road surface.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a top view of the present invention when the permeable mixture test piece 15 to be measured is a cylindrical structure;
fig. 3 is when the mixture test piece 15 that permeates water that awaits measuring is the cube structure the utility model discloses a top view.
Wherein, 1 is an upper die cylinder, 2 is an overflow port, 3 is a bolt, 4 is a lower die cylinder, 5 is an upper cover plate, 6 is a lower cover plate, 7 is a flow rate meter, 8 is a hose, 9 is a measuring cup, 10 is a spray head, 11 is a flow meter, 12 is a valve, 13 is a water storage barrel, 14 is a water pump, 15 is a permeable mixture test piece to be measured, 16 is a sealing rubber strip, 17 is a height adjusting screw, and 18 is a hinged support.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings:
referring to fig. 1, the indoor testing device for transverse drainage capability of permeable mixture of the present invention comprises an upper mold cylinder 1, a lower mold cylinder 4, a nozzle 10, a water supply system, a flowmeter 11 and a measuring cup 9; the lower opening of the upper die cylinder 1 is communicated with the top opening of the lower die cylinder 4, an upper cover plate 5 and a lower cover plate 6 are arranged in the lower die cylinder 4, a to-be-detected permeable mixture test piece 15 is positioned between the upper cover plate 5 and the lower cover plate 6, two sides of the to-be-detected permeable mixture test piece 15 are respectively provided with a first water inlet gap and a water collecting gap between the two sides of the to-be-detected permeable mixture test piece and the inner wall of the lower die cylinder 4, a second water inlet gap is arranged between one part of the outer peripheral surface of the upper cover plate 5 and the inner wall of the lower die cylinder 4, the second water inlet gap is communicated with the first water inlet gap, the other part of the outer peripheral surface of the upper cover plate 5 is in sealing connection with the inner wall of the lower die cylinder 4, a water outlet gap is arranged between one part of the outer peripheral surface of the lower cover plate 6 and the inner wall of the lower; a plurality of overflow ports 2 are arranged on the side wall of the upper die cylinder 1, a spray head 10 is positioned in the upper die cylinder 1 and is opposite to the upper cover plate 5, and a water supply system is communicated with a water inlet of the spray head 10 through a flowmeter 11; the top opening of the measuring cup 9 is positioned right below the bottom outlet of the lower die cylinder 4.
The side wall of the lower die cylinder 4 is provided with a water outlet and a water inlet, wherein the water outlet on the side wall of the lower die cylinder 4 is just opposite to the water collecting gap, the water inlet on the side wall of the lower die cylinder 4 is positioned below the lower cover plate 6, the water outlet and the water inlet on the side wall of the lower die cylinder 4 are communicated through a hose 8, and the hose 8 is provided with a flow meter 7.
The water supply system comprises a water pump 14, a water storage barrel 13 and a valve 12, wherein the water pump 14 is positioned in the water storage barrel 13, and the outlet of the water pump 14 is communicated with the spray head 10 through the valve 12 and the flowmeter 11; the utility model discloses still include articulated bearing 18, wherein, lower bobbin 4 is fixed in on articulated bearing 18.
The upper die cylinder 1 is connected with the lower die cylinder 4 through a bolt 3; all overflow ports 2 are distributed from top to bottom in sequence; the inner wall of the lower die cylinder 4, the peripheral surface of the lower cover plate 6 and the peripheral surface of the upper cover plate 5 are sealed through a sealing rubber strip 16; the hinged support 18 is provided with a height adjusting screw 17 for adjusting an included angle between the permeable mixture test piece 15 to be measured and the horizontal plane.
The to-be-tested permeable mixture test piece 15 is a Marshall test piece, a rotary compaction test piece or a static pressure forming test piece, a rubber sealing ring is arranged between the upper die cylinder 1 and the lower die cylinder 4, and meanwhile, the upper die cylinder 1 and the lower die cylinder 4 are screwed and sealed through bolts 3; the upper cover plate 5 and the lower cover plate 6 are both dense impermeable plate bodies, wherein the upper cover plate 5 is detachable.
Referring to fig. 2 and 3, the shapes and sizes of the upper mold cylinder 1 and the lower mold cylinder 4 are determined according to the permeable mixture test piece 15 to be tested, the permeable mixture test piece 15 to be tested may be a square or cylindrical structure, and the permeable mixture test piece 15 to be tested is a porous concrete test block.
The utility model discloses a concrete operation process does:
1) preparing a permeable mixture test piece 15 to be tested;
2) placing a permeable mixture test piece 15 to be tested between the upper cover plate 5 and the lower cover plate 6, and tightly pressing the permeable mixture test piece 15 to be tested between the upper cover plate 5 and the lower cover plate 6 through the upper cover plate 5;
3) open water supply system, the water of water supply system output sprays on upper cover plate 5 through shower nozzle 10, then enter into first gap of intaking through the second gap of intaking, and from first gap of intaking to the mixture test piece 15 infiltration of permeating water that awaits measuring, and collect back through a gap of water outlet discharge lower mould section of thick bamboo 4 in the gap of catchmenting, the surface of water as last mould section of thick bamboo 1 flushes with overflow mouth 2 till, place down mould section of thick bamboo 4 bottom delivery ports under with graduated flask 9 this moment, the water yield Q of pouring into graduated flask 9 in the record time t, then the horizontal drainage ability k of the mixture test piece 15 that permeates water that awaits measuring is:
wherein L is a seepage path, A is a seepage area, △ h is a distance between the overflow port 2 and the bottom of the permeable mixture test piece 15 to be tested, when the permeable mixture test piece 15 to be tested is of a cylindrical structure, L is V/A, A ═ pi dD/2, D is the diameter of the permeable mixture test piece 15 to be tested, D is the height of the permeable mixture test piece 15 to be tested, when the permeable mixture test piece 15 to be tested is of a cubic structure, L is a side length, and A ═ L2。
The above description is only an example of the present application and is not intended to limit the present application, and various modifications and changes may be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (8)
1. An indoor testing device for transverse drainage capacity of a permeable mixture is characterized by comprising an upper die cylinder (1), a lower die cylinder (4), a spray head (10), a water supply system, a flowmeter (11) and a measuring cup (9);
the lower opening of the upper die cylinder (1) is communicated with the top opening of the lower die cylinder (4), an upper cover plate (5) and a lower cover plate (6) are arranged in the lower die cylinder (4), a permeable mixture test piece (15) to be tested is positioned between the upper cover plate (5) and the lower cover plate (6), a first water inlet gap and a water collecting gap are respectively arranged between the two sides of the permeable mixture test piece (15) to be tested and the inner wall of the lower die cylinder (4), a second water inlet gap is arranged between one part of the outer peripheral surface of the upper cover plate (5) and the inner wall of the lower die cylinder (4), the second water inlet gap is communicated with the first water inlet gap, the other part of the outer peripheral surface of the upper cover plate (5) is hermetically connected with the inner wall of the lower die cylinder (4), a water outlet gap is arranged between one part of the outer peripheral surface of the lower cover plate (6) and the inner wall of the lower die cylinder (4), wherein the water outlet gap is, the other part of the peripheral surface of the lower cover plate (6) is hermetically connected with the inner wall of the lower die cylinder (4);
a plurality of overflow ports (2) are arranged on the side wall of the upper die cylinder (1), the spray head (10) is positioned in the upper die cylinder (1) and is opposite to the upper cover plate (5), and a water supply system is communicated with a water inlet of the spray head (10) through a flowmeter (11);
the top opening of the measuring cup (9) is positioned right below the bottom outlet of the lower die cylinder (4).
2. The indoor test device for the transverse drainage capacity of the water-permeable mixture according to claim 1, wherein a water outlet and a water inlet are formed in the side wall of the lower die cylinder (4), the water outlet in the side wall of the lower die cylinder (4) is over against the water collection gap, the water inlet in the side wall of the lower die cylinder (4) is located below the lower cover plate (6), the water outlet and the water inlet in the side wall of the lower die cylinder (4) are communicated through a hose (8), and a flow rate meter (7) is arranged on the hose (8).
3. The indoor test device for the transverse drainage capacity of the water-permeable mixture according to claim 1, wherein the water supply system comprises a water pump (14), a water storage barrel (13) and a valve (12), wherein the water pump (14) is positioned in the water storage barrel (13), and an outlet of the water pump (14) is communicated with the spray head (10) through the valve (12) and the flowmeter (11).
4. The indoor test device for the transverse drainage capacity of the water-permeable mixture according to claim 1, further comprising an articulated support (18), wherein the lower die cylinder (4) is fixed on the articulated support (18).
5. The indoor test device for the transverse drainage capacity of the water-permeable mixture according to claim 1, wherein the upper die cylinder (1) and the lower die cylinder (4) are connected through bolts (3).
6. The indoor test device for the transverse drainage capacity of the water-permeable mixture according to claim 1, wherein the overflow ports (2) are distributed in sequence from top to bottom.
7. The indoor test device for the transverse drainage capacity of the water-permeable mixture according to claim 1, wherein the inner wall of the lower die cylinder (4) and the outer peripheral surfaces of the lower cover plate (6) and the upper cover plate (5) are sealed by a sealing rubber strip (16).
8. The indoor test device for the transverse drainage capacity of the permeable mixture according to claim 1, wherein the hinged support (18) is provided with a height adjusting screw (17) for adjusting an included angle between a permeable mixture test piece (15) to be tested and a horizontal plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921175193.9U CN210322719U (en) | 2019-07-24 | 2019-07-24 | Indoor testing device for transverse drainage capacity of permeable mixture |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921175193.9U CN210322719U (en) | 2019-07-24 | 2019-07-24 | Indoor testing device for transverse drainage capacity of permeable mixture |
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| CN210322719U true CN210322719U (en) | 2020-04-14 |
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| CN201921175193.9U Active CN210322719U (en) | 2019-07-24 | 2019-07-24 | Indoor testing device for transverse drainage capacity of permeable mixture |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110296929A (en) * | 2019-07-24 | 2019-10-01 | 平顶山市公路交通勘察设计院 | A kind of device and method of the permeable mixture transverse drainage ability of Lab-evaluation |
-
2019
- 2019-07-24 CN CN201921175193.9U patent/CN210322719U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110296929A (en) * | 2019-07-24 | 2019-10-01 | 平顶山市公路交通勘察设计院 | A kind of device and method of the permeable mixture transverse drainage ability of Lab-evaluation |
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| CB03 | Change of inventor or designer information |
Inventor after: Song Dongfang Inventor after: Zheng Mulian Inventor after: Li Qiqi Inventor after: Gao Jian Inventor after: Zhang Man Inventor after: Liu Fuqiang Inventor before: Song Dongfang Inventor before: Zheng Mulian Inventor before: Li Qiqi Inventor before: Gao Jian Inventor before: Zhang Man Inventor before: Liu Fuqiang |
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| CB03 | Change of inventor or designer information |