CN111693439A - Drainage capability testing device and evaluation method for drainage asphalt concrete - Google Patents
Drainage capability testing device and evaluation method for drainage asphalt concrete Download PDFInfo
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- CN111693439A CN111693439A CN202010699549.XA CN202010699549A CN111693439A CN 111693439 A CN111693439 A CN 111693439A CN 202010699549 A CN202010699549 A CN 202010699549A CN 111693439 A CN111693439 A CN 111693439A
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- 238000012360 testing method Methods 0.000 title claims abstract description 154
- 239000011384 asphalt concrete Substances 0.000 title claims abstract description 43
- 238000011156 evaluation Methods 0.000 title claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 143
- 238000005303 weighing Methods 0.000 claims abstract description 25
- 238000000034 method Methods 0.000 claims abstract description 12
- 238000005507 spraying Methods 0.000 claims abstract description 8
- 238000004088 simulation Methods 0.000 claims abstract description 6
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 8
- 239000003566 sealing material Substances 0.000 claims description 8
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- 238000013461 design Methods 0.000 claims description 5
- 235000014121 butter Nutrition 0.000 claims description 3
- 239000004567 concrete Substances 0.000 abstract 1
- 230000007547 defect Effects 0.000 abstract 1
- 239000003657 drainage water Substances 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 abstract 1
- 238000005259 measurement Methods 0.000 abstract 1
- 239000002352 surface water Substances 0.000 abstract 1
- 239000010426 asphalt Substances 0.000 description 5
- 210000002414 leg Anatomy 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 235000011187 glycerol Nutrition 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
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Abstract
The invention discloses a device for testing the drainage capacity of drainage asphalt concrete and an evaluation method, wherein the device comprises a rainfall simulation spraying device, a test specimen placing device and a drainage water collecting and weighing device; different rainfall amounts are simulated by adding quantitative water into the water containing tank; the test piece placing device comprises a test closed box and a test piece placing platform, wherein the lower part of the side surface of one side of the test closed box is provided with a panel capable of moving up and down and used for installing a test piece and simulating test piece drainage, and the test piece placing platform is an adjustable-gradient cushion block; the discharged water collecting and weighing device is used for collecting and weighing the weight of the discharged water; and finally calculating the drainage speed according to the weighed collected water weight and the drainage time. The method can truly simulate the rainfall drainage process of the drainage road surface, overcomes the defect that the drainage capacity of the macroporous drainage concrete cannot be accurately evaluated by the conventional measurement technology based on the road surface water seepage meter, is simple to operate, has reasonable evaluation indexes, can be used for comparing the drainage capacities of test pieces with different thicknesses, and is easy to popularize and apply.
Description
Technical Field
The invention relates to the technical field of road engineering, in particular to a device and an evaluation method for testing drainage capacity of drainage asphalt concrete.
Background
The drainage pavement is a large-pore asphalt pavement with an embedded and extruded framework, the porosity of the pavement usually reaches 20%, the pavement drainage effect is obvious, and the pavement drainage pavement has high anti-skid performance and certain noise reduction performance due to the large pore result, and is widely applied and researched in the world, wherein the surface drainage function is the most important functional characteristic and is widely concerned. At present, the road engineering asphalt and asphalt mixture test regulation (JTGE20-2011) in China adopts an asphalt pavement water permeability coefficient test method (T0730-2011) to test the drainage capacity of a drainage pavement, and the water permeability coefficient is defined by calculating the ratio of the water level dropping from 100mL to 500mL to the required time. The method is essentially a variable water head water seepage performance test method, is suitable for evaluating common low-void-ratio asphalt concrete, but for the drainage asphalt concrete with the void ratio as high as 20%, the problems of side leakage of a water seepage instrument, large timing error influence caused by too fast water flow and the like are easy to occur by adopting the method, so that the drainage capability of the drainage asphalt concrete cannot be accurately judged by using the test result.
Disclosure of Invention
The invention aims to solve the problems that: the device and the method for testing the drainage capacity of the drainage asphalt concrete are provided, and are used for solving the problems in the background art.
The technical scheme provided by the invention for solving the problems is as follows: the utility model provides a drainage asphalt concrete drainage ability testing arrangement which characterized in that: comprises a simulated rainfall spraying device, a test specimen placing device and a discharged water collecting and weighing device; the rainfall simulation spraying device comprises a water containing tank and a water outlet plate, wherein the water outlet plate is arranged at the bottom of the water containing tank, and a water outlet hole is formed in the water outlet plate; the test specimen placing device comprises a test box and a test specimen placing platform, wherein the lower part of the side surface of one side of the test closed box is a panel capable of moving up and down and is used for mounting a test specimen and simulating drainage of the test specimen, the test specimen placing platform is an adjustable-gradient cushion block, supporting legs with adjustable heights are mounted on two sides of the adjustable-gradient cushion block, and different transverse gradients of a simulated road surface are arranged; the discharged water collecting and weighing device is used for collecting and weighing the water discharged from the test specimen placing device.
Preferably, the bottom of the water containing tank is provided with a clamping strip, and the water outlet plate is placed on the clamping strip.
Preferably, the discharged water collecting and weighing device comprises a discharged water collecting box and an electronic scale, wherein the discharged water collecting box is arranged below one side of the movable panel of the test box, and the discharged water collecting box is arranged on the electronic scale and used for collecting and weighing the weight of the discharged water.
The evaluation method for testing the drainage capability of the drainage asphalt concrete indoors by using the drainage capability testing device of the drainage asphalt concrete comprises the following steps,
s1, preparing an asphalt concrete plate-shaped test piece by using a rut forming instrument, or cutting the asphalt concrete plate-shaped test piece from the built pavement by using a cutting machine to obtain the asphalt concrete plate-shaped test piece;
s2, lifting the movable panel of the test box, adjusting the gradient of the test piece placing platform in the test piece placing box to the actual road surface design gradient, then loading the asphalt concrete test piece on the test piece placing platform in the test box, coating a sealing material on the contact surface of the edge of the test piece and the inner wall of the placing box, and lowering the movable panel to a proper height to enable the movable panel to be just in contact with the edge of the surface of the test piece;
s3, selecting and installing the water outlet plate with the corresponding aperture according to the size and the intensity of the simulated rainfall, and calculating the water amount m poured into the water containing tank according to the rainfall1Placing the discharged water collecting and weighing device below the movable panel of the test box, and starting the test;
s4, pouring the weighed water into a water containing tank, and starting timing to collect the weight m of the water2The water quantity m poured into the water containing tank is reached1When the water content is more than 95 percent, stopping timing, and simultaneously recording the weight m of the collected water, wherein the unit is g;
s5, calculating the drainage speed v according to the following formula according to the weighed collected water weight m and the drainage time t: and v is m/(rho multiplied by L multiplied by h multiplied by t), wherein m is the weight of collected water, rho is the density of water, L is the length of a drainage interface of the test piece, h is the height of the test piece, and the drainage speed is unit mm/s.
Preferably, in step S2, the adjustment of the slope of the test piece placement platform is realized by two adjustable supporting legs on one side of the cushion block, the stability of the test piece after placement is realized by the edge clamping strip at the bottom of the test box, and the sealing material for the contact surface between the edge of the test piece and the inner wall of the placement box can adopt glycerol, butter or plasticine and the like.
Preferably, in the step S3, the amount m of water poured into the water containing tank1Is calculated according to the simulated rainfall, and if the daily rainfall is q and the unit is mm, m is1Q × ρ × A, in cm of area of the outlet plate2。
Compared with the prior art, the invention has the advantages that: the invention provides a device and an evaluation method for testing the drainage capacity of drainage asphalt concrete according to the drainage principle and environmental characteristics of a road surface in rainy days. The device can be used for truly simulating rainfall conditions in rainy days and drainage conditions of cross slopes and synthetic slopes of the road surface, evaluating the drainage capacity of the drainage asphalt concrete, and comprehensively representing the maximum drainage capacity and the average drainage capacity of the drainage asphalt concrete according to test results. The method can be used for performance verification and construction quality inspection in the design stage of the macroporous drainage asphalt mixture.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention.
FIG. 1 is a front view of the present invention;
FIG. 2 is a top view of the present invention water outlet plate;
the attached drawings are marked as follows: 1. a water containing tank; 2. a water outlet plate; 3. a water outlet plate; 4. a test chamber; 5. a movable panel; 6. a test piece; 7. cushion blocks; 8. the foot support can be adjusted; 9. a water collection tank; 10. an electronic scale.
Detailed Description
The embodiments of the present invention will be described in detail with reference to the accompanying drawings and examples, so that how to implement the technical means for solving the technical problems and achieving the technical effects of the present invention can be fully understood and implemented.
The utility model provides a drainage asphalt concrete drainage ability testing arrangement which characterized in that: comprises a simulated rainfall spraying device, a test specimen placing device and a discharged water collecting and weighing device; the rainfall simulation spraying device comprises a water containing tank and a water outlet plate, wherein the water outlet plate is arranged at the bottom of the water containing tank, and a water outlet hole is formed in the water outlet plate; the test specimen placing device comprises a test box and a test specimen placing platform, wherein the lower part of the side surface of one side of the test closed box is a panel capable of moving up and down and is used for mounting a test specimen and simulating drainage of the test specimen, the test specimen placing platform is an adjustable-gradient cushion block, supporting legs with adjustable heights (mounted on four corners of the adjustable-gradient cushion block) are mounted on two sides of the adjustable-gradient cushion block, and different transverse gradients of a simulated road surface are mounted; the discharged water collecting and weighing device is used for collecting and weighing the water discharged from the test specimen placing device.
Furthermore, the bottom of the water containing tank is provided with a clamping strip, and the water outlet plate is placed on the clamping strip.
Furthermore, the discharged water collecting and weighing device comprises a water outlet collecting box and an electronic scale, wherein the water outlet collecting box is arranged below one side of the movable panel of the test box, and the water outlet collecting box is arranged on the electronic scale and used for collecting and weighing the weight of the discharged water.
The evaluation method for testing the drainage capability of the drainage asphalt concrete indoors by using the drainage capability testing device of the drainage asphalt concrete comprises the following steps,
s1, preparing an asphalt concrete plate-shaped test piece by using a rut forming instrument, or cutting the asphalt concrete plate-shaped test piece from the built pavement by using a cutting machine to obtain the asphalt concrete plate-shaped test piece;
s2, lifting the movable panel of the test box, adjusting the gradient of the test piece placing platform in the test piece placing box to the actual road surface design gradient, then loading the asphalt concrete test piece on the test piece placing platform in the test box, coating a sealing material on the contact surface of the edge of the test piece and the inner wall of the placing box, and lowering the movable panel to a proper height to enable the movable panel to be just in contact with the edge of the surface of the test piece;
s3, selecting and installing the water outlet plate with the corresponding aperture according to the size and the intensity of the simulated rainfall, and calculating the water amount m poured into the water containing tank according to the rainfall1Placing the discharged water collecting and weighing device below the movable panel of the test box, and starting the test;
s4, pouring the weighed water into a water containing tank, and starting timing to collect the weight m of the water2The water quantity m poured into the water containing tank is reached1When the water content is more than 95 percent, stopping timing, and simultaneously recording the weight m of the collected water, wherein the unit is g;
s5, calculating the drainage speed v according to the following formula according to the weighed collected water weight m and the drainage time t: and v is m/(rho multiplied by L multiplied by h multiplied by t), wherein m is the weight of collected water, rho is the density of water, L is the length of a drainage interface of the test piece, h is the height of the test piece, and the drainage speed is unit mm/s.
Further, in step S2, the regulation of test piece place the platform slope is realized through two adjustable supporting legss on one side of the cushion, and the stability after the test piece is placed is realized by proof box bottom edge card strip, and the test piece edge can adopt glycerine, butter or plasticine etc. with place incasement wall contact surface sealing material.
Further, in the step S3, the amount m of water poured into the water containing tank1Is calculated according to the simulated rainfall, and if the daily rainfall is q and the unit is mm, m is1Q × ρ × A, in cm of area of the outlet plate2。
The rainfall simulation spraying device is characterized in that the water outlet plate 2 is arranged on the clamping strip 3 of the water containing tank 1, and the calculated and weighed water amount is poured into the water containing tank, so that rainfall simulation water flow can fall on a test piece through the water outlet plate. The test piece placing device comprises a test box 4, a test piece cushion block 7, adjustable foot supports 8 and a movable panel 5, the movable panel 5 is lifted upwards when the test piece is placed, the height of each foot support 8 of the cushion block is adjusted to enable the gradient of the cushion block 7 to be consistent with the gradient of an actual detection road surface, then the test piece is placed on the test box cushion block 7, the movable panel 5 is pulled downwards at last, and the lower edge of the movable panel 5 is in contact with the surface edge of the test piece. The discharged water collecting and weighing device comprises a water collecting tank 9 and an electronic scale 10, wherein the water collecting tank 9 is arranged below one side of the movable panel 5 of the test box and is arranged on the electronic scale 10 for collecting and weighing the weight of the discharged water.
Example 1
The method for evaluating the drainage capability of the drainage asphalt concrete comprises the following steps:
s1, preparing an asphalt concrete plate-shaped test piece by using a rut forming instrument;
s2, lifting the movable side plate of the test piece placing box, adjusting the gradient of a test piece placing platform in the test piece placing box to be an actual road surface design gradient, then loading the asphalt concrete test piece on the test piece placing platform in the test piece placing box, coating a sealing material on the contact surface of the edge of the test piece and the inner wall of the placing box, and lowering the movable side plate to a proper height to enable the movable side plate to be just in contact with the edge of the surface of the test piece;
s3, selecting a water outlet plate with a corresponding aperture according to the size and the intensity of the simulated rainfall, installing the water outlet plate, and calculating the amount m of water poured into the water storage tank according to the rainfall1Placing the discharged water collecting and weighing system below the movable panel of the test box, and starting the test;
s4, pouring the weighed water into a water containing tank, and starting timing to collect the weight m of the water2The water quantity m poured into the water containing tank is reached1When the water content is more than 95 percent, stopping timing, and simultaneously recording the weight m of the collected water, wherein the unit is g;
s5, calculating the drainage speed v according to the following formula according to the weighed collected water weight m and the drainage time t: and v is m/(rho multiplied by L multiplied by h multiplied by t), wherein m is the weight of collected water, rho is the density of water, L is the length of a drainage interface of the test piece, h is the height of the test piece, and the drainage speed is unit mm/s.
Example 2
The method for evaluating the drainage capability of the drainage asphalt concrete comprises the following steps:
s1, cutting the asphalt concrete slab test piece from a certain built road section, wherein the dimension of the asphalt concrete slab test piece is 300mm multiplied by 40 mm;
s2, lifting the movable side plate of the test piece placing box, adjusting the gradient of a test piece placing platform in the test piece placing box to be 2% of a cross slope, then loading the asphalt concrete test piece on the test piece placing platform in the test piece placing box, coating a sealing material on the contact surface of the edge of the test piece and the inner wall of the placing box, and lowering the movable side plate to a proper height to enable the movable side plate to be just in contact with the edge of the surface of the test piece;
s3, simulating rainfall capacity of 100mm in rainstorm days, selecting water outlet plates with corresponding apertures to be installed well, and designing water quantity m1100 × 1 × (30 × 30) × 0.1.1 9000g, place the effluent collection and weighing system under the active panel of the test chamber and start the test;
s4, pouring the weighed water into a water containing tank, and starting timing to collect the weight m of the water2Stopping timing when the weight reaches more than 8550g, recording the time for 1756s, and collecting the water with the weight m of 8640 g;
s5, the specimen drainage rate was calculated to be 0.41mm/S from the formula v ═ m/(ρ × L × h × t).
The foregoing is merely illustrative of the preferred embodiments of the present invention and is not to be construed as limiting the claims. The present invention is not limited to the above embodiments, and the specific structure thereof is allowed to vary. All changes which come within the scope of the invention as defined by the independent claims are intended to be embraced therein.
Claims (6)
1. The utility model provides a drainage asphalt concrete drainage ability testing arrangement which characterized in that: comprises a simulated rainfall spraying device, a test specimen placing device and a discharged water collecting and weighing device; the rainfall simulation spraying device comprises a water containing tank and a water outlet plate, wherein the water outlet plate is arranged at the bottom of the water containing tank, and a water outlet hole is formed in the water outlet plate; the test specimen placing device comprises a test box and a test specimen placing platform, wherein the lower part of the side surface of one side of the test closed box is a panel capable of moving up and down and is used for mounting a test specimen and simulating drainage of the test specimen, the test specimen placing platform is an adjustable-gradient cushion block, supporting legs with adjustable heights are mounted on two sides of the adjustable-gradient cushion block, and different transverse gradients of a simulated road surface are arranged; the discharged water collecting and weighing device is used for collecting and weighing the water discharged from the test specimen placing device.
2. The device for testing the drainage capability of the drainage asphalt concrete according to claim 1, wherein: the bottom of the water containing tank is provided with a clamping strip, and the water outlet plate is placed on the clamping strip.
3. The device for testing the drainage capability of the drainage asphalt concrete according to claim 1, wherein: the discharged water collecting and weighing system comprises a water outlet collecting box and an electronic scale, wherein the water outlet collecting box is arranged below one side of the movable panel of the test box, and the water outlet collecting box is arranged on the electronic scale and used for collecting and weighing the weight of the discharged water.
4. An evaluation method for performing an indoor test of drainage capability of drainage asphalt concrete by using the drainage capability test apparatus of drainage asphalt concrete according to any one of claims 1 to 3, characterized in that: the method comprises the following steps of,
s1, preparing an asphalt concrete plate-shaped test piece by using a rut forming instrument, or cutting the asphalt concrete plate-shaped test piece from the built pavement by using a cutting machine to obtain the asphalt concrete plate-shaped test piece;
s2, lifting the movable panel of the test box, adjusting the gradient of the test piece placing platform in the test piece placing box to the actual road surface design gradient, then loading the asphalt concrete test piece on the test piece placing platform in the test box, coating a sealing material on the contact surface of the edge of the test piece and the inner wall of the placing box, and lowering the movable panel to a proper height to enable the movable panel to be just in contact with the edge of the surface of the test piece;
s3, selecting and installing the water outlet plate with the corresponding aperture according to the size and the intensity of the simulated rainfall, and calculating the water amount m poured into the water containing tank according to the rainfall1Placing the discharged water collecting and weighing system below the movable panel of the test box, and starting the test;
s4, pouring the weighed water into a water containing tank, and starting timing to collect the weight m of the water2The water quantity m poured into the water containing tank is reached1Stop when more than 95 percent of the total weight is reachedStopping timing, and simultaneously recording the weight m of the collected water, wherein the unit is g;
s5, calculating the drainage speed v according to the following formula according to the weighed collected water weight m and the drainage time t: and v is m/(rho multiplied by L multiplied by h multiplied by t), wherein m is the weight of collected water, rho is the density of water, L is the length of a drainage interface of the test piece, h is the height of the test piece, and the drainage speed is unit mm/s.
5. The method for evaluating a drainage capability test of a drainage asphalt concrete according to claim 4, characterized in that: in step S2, the adjustment of the gradient of the test piece placing platform is realized through two adjustable supporting legs on one side of the cushion block, the stability of the test piece after being placed is realized by a clamping strip at the bottom edge of the test box, and the sealing material for the contact surface of the edge of the test piece and the inner wall of the placing box can adopt glycerol, butter or plasticine and the like.
6. The method for evaluating a drainage capability test of a drainage asphalt concrete according to claim 4, characterized in that: in the step S3, the amount m of water poured into the water containing tank1Is calculated according to the simulated rainfall, and if the daily rainfall is q and the unit is mm, m is1Q × ρ × A, in cm of area of the outlet plate2。
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112067529A (en) * | 2020-10-12 | 2020-12-11 | 长沙理工大学 | Permeable asphalt concrete permeability testing device and method |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103245772A (en) * | 2013-05-13 | 2013-08-14 | 湖南大学 | Indoor analog experiment device for roadbed slope erosion |
| CN103323381A (en) * | 2013-06-09 | 2013-09-25 | 河海大学 | Method for evaluating attenuation degree of porous asphalt mixture void |
| CN204314189U (en) * | 2014-12-08 | 2015-05-06 | 上海大学 | The chamber of a kind of water level controllable type percolation model |
| CN104677800A (en) * | 2015-02-03 | 2015-06-03 | 云南省交通规划设计研究院 | Simulated rainfall pattern macro-porous pavement water drainage capacity testing equipment and method |
| CN206002541U (en) * | 2016-07-15 | 2017-03-08 | 山西省交通科学研究院 | A kind of bituminous paving transverse drainage aptitude tests device |
| CN110231267A (en) * | 2019-03-28 | 2019-09-13 | 广州珠江黄埔大桥建设有限公司 | A kind of device and method of indoor test drainage type asphalt drainage performance |
| CN209606402U (en) * | 2019-01-12 | 2019-11-08 | 延安大学 | A kind of rainfall simulator convenient for adjusting precipitation |
| CN110530776A (en) * | 2019-09-28 | 2019-12-03 | 东南大学 | A kind of experimental provision and test method measuring porous asphalt mixture drainage performance |
| CN212432925U (en) * | 2020-07-20 | 2021-01-29 | 江西省交通科学研究院 | Drainage asphalt concrete drainage capability testing arrangement |
-
2020
- 2020-07-20 CN CN202010699549.XA patent/CN111693439A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103245772A (en) * | 2013-05-13 | 2013-08-14 | 湖南大学 | Indoor analog experiment device for roadbed slope erosion |
| CN103323381A (en) * | 2013-06-09 | 2013-09-25 | 河海大学 | Method for evaluating attenuation degree of porous asphalt mixture void |
| CN204314189U (en) * | 2014-12-08 | 2015-05-06 | 上海大学 | The chamber of a kind of water level controllable type percolation model |
| CN104677800A (en) * | 2015-02-03 | 2015-06-03 | 云南省交通规划设计研究院 | Simulated rainfall pattern macro-porous pavement water drainage capacity testing equipment and method |
| CN206002541U (en) * | 2016-07-15 | 2017-03-08 | 山西省交通科学研究院 | A kind of bituminous paving transverse drainage aptitude tests device |
| CN209606402U (en) * | 2019-01-12 | 2019-11-08 | 延安大学 | A kind of rainfall simulator convenient for adjusting precipitation |
| CN110231267A (en) * | 2019-03-28 | 2019-09-13 | 广州珠江黄埔大桥建设有限公司 | A kind of device and method of indoor test drainage type asphalt drainage performance |
| CN110530776A (en) * | 2019-09-28 | 2019-12-03 | 东南大学 | A kind of experimental provision and test method measuring porous asphalt mixture drainage performance |
| CN212432925U (en) * | 2020-07-20 | 2021-01-29 | 江西省交通科学研究院 | Drainage asphalt concrete drainage capability testing arrangement |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112067529A (en) * | 2020-10-12 | 2020-12-11 | 长沙理工大学 | Permeable asphalt concrete permeability testing device and method |
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