CN105136645A - Drainage asphalt mixture water permeability performance test device and test method thereof - Google Patents
Drainage asphalt mixture water permeability performance test device and test method thereof Download PDFInfo
- Publication number
- CN105136645A CN105136645A CN201510578736.1A CN201510578736A CN105136645A CN 105136645 A CN105136645 A CN 105136645A CN 201510578736 A CN201510578736 A CN 201510578736A CN 105136645 A CN105136645 A CN 105136645A
- Authority
- CN
- China
- Prior art keywords
- water
- test
- permeability
- asphalt mixture
- control apparatus
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention relates to a drainage asphalt mixture water permeability performance test device. The drainage asphalt mixture water permeability performance test device comprises a water storage cylinder, a tubular monitor made of a transparent material, a test mold for fixing a test piece and a water amount collector, wherein a water outlet pipe at the bottom of the water storage cylinder is connected with the upper end of the monitor, the lower end of the monitor is connected with an inlet pipe at the upper end of the test mold through a pipe and a connecting nut, the water amount collector is located right below an outlet pipe at the lower end of the test mold and is used for measuring the amount of water which permeates through the test piece, a first valve is installed on a pipe between the monitor and the test mold and a second valve is installed on the outlet pipe at the lower end of the test mold. The invention further provides a drainage asphalt mixture water permeability performance test method using the device. The drainage asphalt mixture water permeability performance test device and method have the advantages that the structure is simple, the operation is convenient to perform, the water permeability performance of drainage asphalt mixture under different rainfalls can be quickly, accurately and intuitively obtained, and a theoretical basis can be provided for the optimization design of the mixing ratio of the drainage asphalt mixture.
Description
Technical field
The present invention relates to asphalt pavement structure and investigation of materials technical field, particularly relate to a kind of Permeability of Porous Asphalt Mixture proving installation and method of testing thereof.
Background technology
Making drainage asphalt concrete pavement, its objective is after rainwater enters drainage asphalt concrete pavement inside, and rainwater can be drained rapidly by the space that be interconnected, drainage asphalt concrete inside, and can not extended stationary periods inner at bituminous concrete.If rainwater accumulates in bituminous concrete inside for a long time, when bituminous concrete is under the repeated action of driving flowing pressure, asphalt mastic viscosity reduces, and asphalt membrane comes off, thus causes the Water Damage of bituminous concrete pavement.
In prior art, there is no the proving installation and method of testing of evaluating the horizontal water permeability of bituminous concrete, how to test the horizontal water permeability of bituminous concrete and be never well solved.Because China's part bituminous concrete pavement occurs that early water damages, therefore in the urgent need to finding a kind of suitable lab simulation method of testing, evaluate the cross drainage ability of bituminous concrete pavement, for the optimal design of drainage index match ratio provides theoretical foundation objective and accurately.
Summary of the invention
For above-mentioned technical matters, one aspect of the present invention provides a kind of Permeability of Porous Asphalt Mixture proving installation, and its technical scheme adopted is as follows:
A kind of Permeability of Porous Asphalt Mixture proving installation, comprise storage cylinder of water, the tubulose monitor that transparent material is made, for the testing mould of fixing test part, water collector, rising pipe bottom described storage cylinder of water connects monitor upper end, the inlet tube of pipeline and attaching nut's connecting test mould upper end is passed through in described monitor lower end, described monitor is for observing in water whether there is bubble, described water collector is positioned at immediately below the outlet of described testing mould lower end, for measuring the water yield penetrating test block, pipeline between described monitor and testing mould is provided with the first valve, the outlet of described testing mould lower end is provided with the second valve.
Further, the circumferential wall of described storage cylinder of water being provided with the liquid level monitoring device for controlling storage cylinder of water water level, carrying out the different rainfall amount of simulation test to the impact of porous asphalt pavement drainability by controlling water level.
Further, described liquid level monitoring device is for arranging graduated liquid level gauge.
Further, described fluid level control device be by upper and under be arranged on the first water-level control apparatus, the second water-level control apparatus, the 3rd water-level control apparatus in the circumferential wall of described storage cylinder of water, described first water-level control apparatus, the second water-level control apparatus, the 3rd water-level control apparatus include the pipeline that level is communicated with storage cylinder of water and the gate valve be arranged on this pipeline, structure is simple, testing by controlling each gate valve to realize three different constant head pressure, being applicable to evaluating different rainfall amount to the impact of porous asphalt pavement drainability.
Further, the distance of described first water-level control apparatus, the second water-level control apparatus, the 3rd water-level control apparatus distance test mould upper end is respectively 1200mm, 1000mm and 800mm, test in order to realize three kinds of representative different constant head pressure, obtain comparatively true rainfall amount simulated effect reliably.
Further, described testing mould tightens closed forming by two block-shaped consistent moulds through clamping screw, and cavity shape and the test block of described testing mould match, and to facilitate the installation of test block and to fix, simplifies the operation.
Further, between the inner chamber of described testing mould and test block, be also provided with the thick sheet rubber of 2mm ~ 5mm, play preventing from test block to be squeezed destroying and prevent the object that seeps water between testing mould inner chamber and test block.
The present invention provides a kind of Permeability of Porous Asphalt Mixture method of testing utilizing described device on the other hand, and its technical scheme adopted is as follows:
Utilize a Permeability of Porous Asphalt Mixture method of testing for described device, comprise step:
(1) shaping test piece: according to the Bituminous Mixture Ratio designed, indoor shaping drainage index rut test plate (panel), adopting cutting machine rut test plate (panel) to be cut into xsect is square strip cube test block, measures test block size, calculates test block cross-sectional area A;
(2) test specimen to be measured is installed: with the four sides sidewall of epoxy resin closed test part along its length, two end surfaces are not closed; Test block is put into the inner chamber of testing mould after epoxy resin cure, install the thick sheet rubber of 2mm ~ 5mm between test block and testing mould, close testing mould, locks testing mould with clamping screw;
(3) permeable test: connect monitor and testing mould with attaching nut; Close the first valve and the second valve, storage cylinder of water connects water inlet pipe and carries out water filling, when height of water level remains on default test water level, open the first valve, make water enter test block inside, after the air of test specimen inside to be measured is emptying, open the second valve, start test after 5s, recording test time T and permeable amount Q, calculate coefficient of permeability K, described coefficient of permeability K=Q/ (A × T).
Further, the length, width and height of described test block are of a size of 200mm × 50mm × 50mm, by adopting the bitumen mixture specimen of uniform sizes, are conducive to the water permeability evaluating different drainage index.
Compared with prior art, advantage applies of the present invention exists:
(1) the present invention obtains the water permeability of drainage index fast, accurately, intuitively, can provide theoretical foundation for the optimal design of drainage index match ratio.
(2) the adjustable different constant head pressure of the present invention is tested, and is applicable to evaluating different rainfall amount to the impact of porous asphalt pavement drainability.
(3) the present invention adopts the bitumen mixture specimen of uniform sizes, is conducive to the water permeability evaluating different drainage index.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of Permeability of Porous Asphalt Mixture proving installation of the present invention.
Fig. 2 is wherein one piece of mould schematic front view of testing mould.
Fig. 3 is another block mould schematic front view of testing mould.
Shown in figure be: 1-storage cylinder of water; 2-first water-level control apparatus; 3-second water-level control apparatus; 4-the 3rd water-level control apparatus; 5-monitor; 6-first valve; 7-attaching nut; 8-testing mould; 9-clamping screw; 10-second valve; 11-water collector.
Embodiment
Be described in further detail object of the present invention below by specific embodiment, embodiment can not repeat one by one at this, but therefore the embodiment that the present invention carries out an invention by reference to the accompanying drawings and is not specifically defined in following examples.
Embodiment 1
As shown in Figure 1, a kind of Permeability of Porous Asphalt Mixture proving installation, comprise storage cylinder of water 1, tubulose monitor 5, the testing mould 8 for fixing test part, water collector 11 that transparent material is made, rising pipe bottom described storage cylinder of water 1 connects monitor 5 upper end, the inlet tube of pipeline and attaching nut 7 connecting test mould 8 upper end is passed through in described monitor 5 lower end, monitor 5 is transparent, can be used for whether there is bubble in water in observation test process; Described water collector 11 is positioned at immediately below the outlet of described testing mould 8 lower end, the pipeline between described monitor 5 and testing mould 8 is provided with the first valve 6, and the outlet of described testing mould 8 lower end is provided with the second valve 10.
In the present embodiment, the circumferential wall of described storage cylinder of water 1 is provided with the liquid level monitoring device for controlling storage cylinder of water 1 water level, described fluid level control device be by upper and under be arranged on the first water-level control apparatus 2 in the circumferential wall of described storage cylinder of water 1, second water-level control apparatus 3, 3rd water-level control apparatus 4, described first water-level control apparatus 2, second water-level control apparatus 3, 3rd water-level control apparatus 4 includes the pipeline that level is communicated with storage cylinder of water 1 and the gate valve be arranged on this pipeline, in storage cylinder of water 1 the injecting process, when in every case needing to obtain a certain water level, open the gate valve of water-level control apparatus corresponding to this water level, close other gate valves compared with the water-level control apparatus corresponding to low-water level simultaneously, certainly, also can adopt and graduated liquid level gauge is set carrys out controlling water level.
Specifically, described first water-level control apparatus 2, second water-level control apparatus 3 of the present embodiment, the distance of the 3rd water-level control apparatus 4 distance test mould 8 upper end are respectively 1200mm, 1000mm and 800mm, have obtained three kinds of representative different water yields and hydraulic pressure to imitate the impact of different rainfall on test block water permeability.
Described testing mould 8 tightens closed forming by two block-shaped consistent moulds through clamping screw 9, cavity shape and the test block of described testing mould 8 match, to facilitate the mounting or dismounting of test block and to fix, the thick sheet rubber of 2mm ~ 5mm is also provided with between inner chamber and test block, prevent the tested mould 8 of test block from damaging breakage by pressure, also prevent from seeping water between testing mould inner chamber and test block simultaneously.
The Permeability of Porous Asphalt Mixture proving installation structure that the present embodiment provides is simple, it is easy to operate to install, the water permeability of drainage index under different rainfall can be obtained fast, accurately, intuitively, theoretical foundation can be provided for the optimal design of drainage index match ratio.
Embodiment 2
Utilize a Permeability of Porous Asphalt Mixture method of testing for described device, comprise the following steps:
(1) shaping test piece: adopt OGFC-13 type asphalt, the mineral aggregate gradation composition of its mix-design is in table 1, according to the Bituminous Mixture Ratio designed, indoor shaping drainage index rut test plate (panel), cutting machine is adopted rut test plate (panel) to be cut into the test block of 200mm × 50mm × 50mm, measure test block size, calculate test block cross-sectional area A;
Table 1OGFC-13 type asphalt mineral aggregate gradation composition
(2) test specimen to be measured is installed: with the four sides sidewall of epoxy resin sealing asphalt test block, 50mm × 50mm surface, two ends is not closed; After epoxy resin cure, test block is put into testing mould 8, lay the thick sheet rubber of 2mm ~ 5mm between test block and testing mould 8, close testing mould 8, locks testing mould 8 with clamping screw 9;
(3) permeable test: connect monitor 5 and testing mould 8 with attaching nut 7; Close the first valve 6 and the second valve 10, storage cylinder of water 1 connects water inlet pipe and carries out water filling, when height of water level remains on the height corresponding to the 3rd water-level control apparatus 4, open the first valve 6, make water enter test block inside, after the air of test specimen inside to be measured is emptying, test is started, recording test time T and permeable amount Q after opening the second valve 10,5s, calculate coefficient of permeability K, described coefficient of permeability K=Q/ (A × T).
This OGFC-13 type asphalt test block water permeability test result is in table 2.
Table 2OGFC-13 type asphalt water permeability test result
| Technical indicator | Unit | Test value |
| Mixture gap rate | ％ | 18.6 |
| Test block cross-sectional area A | cm 2 | 24.35 |
| Test duration T | s | 120 |
| Permeable amount Q | cm 3 | 1010 |
| Coefficient of permeability K | cm/s | 0.3457 |
Embodiment 3
Utilize a Permeability of Porous Asphalt Mixture method of testing for described device, comprise the following steps:
(1) shaping test piece: adopt OGFC-13 type asphalt, the mineral aggregate gradation composition of its mix-design is in table 3, according to the Bituminous Mixture Ratio designed, indoor shaping drainage index rut test plate (panel), adopt cutting machine that rut test plate (panel) is cut into 200mm × 50mm × 50mm test block, measure test block size, calculate test block cross-sectional area A.
Table 3OGFC-13 type asphalt mineral aggregate gradation composition
(2) test specimen to be measured is installed: with the four sides sidewall of epoxy resin sealing asphalt test block, 50mm × 50mm surface, two ends is not closed; After epoxy resin cure, test block is put into testing mould 8, lay the thick sheet rubber of 2mm ~ 5mm between test block and testing mould 8, close testing mould 8, locks testing mould 8 with clamping screw 9;
(3) permeable test: connect monitor 5 and testing mould 8 with attaching nut 7; Close the first valve 6 and the second valve 10, storage cylinder of water 1 connects water inlet pipe and carries out water filling, when height of water level remains on the height corresponding to the second water-level control apparatus 3, open the first valve 6, make water enter test block inside, after the air of test specimen inside to be measured is emptying, test is started, recording test time T and permeable amount Q after opening the second valve 10,5s, calculate coefficient of permeability K, described coefficient of permeability K=Q/ (A × T).
This OGFC-13 type asphalt test block water permeability test result is in table 4.
Table 4OGFC-13 type asphalt water permeability test result
| Technical indicator | Unit | Test value |
| Mixture gap rate | ％ | 20.8 |
| Test block cross-sectional area A | cm 2 | 24.55 |
| Test duration T | s | 57 |
| Permeable amount Q | cm 3 | 1095 |
| Coefficient of permeability K | cm/s | 0.7825 |
Embodiment 4
Utilize a Permeability of Porous Asphalt Mixture method of testing for described device, comprise the following steps:
(1) shaping test piece: adopt OGFC-16 type asphalt, the mineral aggregate gradation composition of its mix-design is in table 5, according to the Bituminous Mixture Ratio designed, indoor shaping drainage index rut test plate (panel), adopt cutting machine that rut test plate (panel) is cut into 200mm × 50mm × 50mm test block, measure test block size, calculate test block cross-sectional area A;
Table 5OGFC-16 type asphalt mineral aggregate gradation composition
(2) test specimen to be measured is installed: with the four sides sidewall of epoxy resin sealing asphalt test block, 50mm × 50mm surface, two ends is not closed; After epoxy resin cure, test block is put into testing mould 8, lay the thick sheet rubber of 2mm ~ 5mm between test block and testing mould 8, close testing mould 8, locks testing mould 8 with clamping screw 9.
(3) permeable test: connect monitor 5 and testing mould 8 with attaching nut 7; Close the first valve 6 and the second valve 10, storage cylinder of water 1 connects water inlet pipe and carries out water filling, when height of water level remains on the height corresponding to the first water-level control apparatus 2, open the first valve 6, make water enter test block inside, after the air of test specimen inside to be measured is emptying, test is started, recording test time T and permeable amount Q after opening the second valve 10,5s, calculate coefficient of permeability K, described coefficient of permeability K=Q/ (A × T).
This OGFC-16 type asphalt test block water permeability test result is in table 6.
Table 6OGFC-16 type asphalt water permeability test result
| Technical indicator | Unit | Test value |
| Mixture gap rate | ％ | 21.4 |
| Test block cross-sectional area A | cm 2 | 24.50 |
| Test duration T | s | 50 |
| Permeable amount Q | cm 3 | 1004 |
| Coefficient of permeability K | cm/s | 0.8196 |
Above-described embodiment is only patent preferred embodiment of the present invention, but the protection domain of patent of the present invention is not limited thereto.Anyly be familiar with those skilled in the art in the scope disclosed in patent of the present invention, be equal to according to the technical scheme of patent of the present invention and inventive concept thereof and replace or change, all belong to the protection domain of patent of the present invention.
Claims (9)
1. a Permeability of Porous Asphalt Mixture proving installation, it is characterized in that: comprise storage cylinder of water (1), the tubulose monitor (5) that transparent material is made, for the testing mould (8) of fixing test part, water collector (11), the rising pipe of described storage cylinder of water (1) bottom connects monitor (5) upper end, the inlet tube of pipeline and attaching nut (7) connecting test mould (8) upper end is passed through in described monitor (5) lower end, described water collector (11) is positioned at immediately below the outlet of described testing mould (8) lower end, pipeline between described monitor (5) and testing mould (8) is provided with the first valve (6), the outlet of described testing mould (8) lower end is provided with the second valve (10).
2. Permeability of Porous Asphalt Mixture proving installation according to claim 1, is characterized in that: the circumferential wall of described storage cylinder of water (1) is provided with the liquid level monitoring device for controlling storage cylinder of water (1) water level.
3. Permeability of Porous Asphalt Mixture proving installation according to claim 2, is characterized in that: described liquid level monitoring device is for arranging graduated liquid level gauge.
4. Permeability of Porous Asphalt Mixture proving installation according to claim 2, it is characterized in that: described fluid level control device for by upper and under be arranged on the first water-level control apparatus (2), the second water-level control apparatus (3), the 3rd water-level control apparatus (4) in the circumferential wall of described storage cylinder of water (1), described first water-level control apparatus (2), the second water-level control apparatus (3), the 3rd water-level control apparatus (4) include the pipeline that level is communicated with storage cylinder of water (1) and the gate valve be arranged on this pipeline.
5. Permeability of Porous Asphalt Mixture proving installation according to claim 4, is characterized in that: the distance of described first water-level control apparatus (2), the second water-level control apparatus (3), the 3rd water-level control apparatus (4) distance test mould (8) upper end is respectively 1200mm, 1000mm and 800mm.
6. Permeability of Porous Asphalt Mixture proving installation according to claim 1, it is characterized in that: described testing mould (8) tightens closed forming by two block-shaped consistent moulds through clamping screw (9), and cavity shape and the test block of described testing mould (8) match.
7. Permeability of Porous Asphalt Mixture proving installation according to claim 6, is characterized in that: be also provided with the thick sheet rubber of 2mm ~ 5mm between the inner chamber of described testing mould (8) and test block.
8. utilize device according to any one of claim 1-7 to carry out a method for Permeability of Porous Asphalt Mixture test, it is characterized in that, comprise step:
(1) shaping test piece: according to the Bituminous Mixture Ratio designed, indoor shaping drainage index rut test plate (panel), adopting cutting machine rut test plate (panel) to be cut into xsect is square strip cube test block, measures test block size, calculates test block cross-sectional area A;
(2) test specimen to be measured is installed: with the four sides sidewall of epoxy resin closed test part along its length, two end surfaces are not closed; Test block is put into the inner chamber of testing mould (8) after epoxy resin cure, the thick sheet rubber of 2mm ~ 5mm is installed between test block and testing mould (8), close testing mould (8), with clamping screw (9) locking testing mould (8);
(3) permeable test: connect monitor (5) and testing mould (8) with attaching nut (7); Close the first valve (6) and the second valve (10), storage cylinder of water (1) connects water inlet pipe and carries out water filling, when height of water level remains on default test water level, open the first valve (6), make water enter test block inside, after the air of test specimen inside to be measured is emptying, open the second valve (10), start test after 5s, recording test time T and permeable amount Q, calculate coefficient of permeability K, described coefficient of permeability K=Q/ (A × T).
9. method according to claim 8, is characterized in that, the length, width and height of described test block are of a size of 200mm × 50mm × 50mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510578736.1A CN105136645A (en) | 2015-09-13 | 2015-09-13 | Drainage asphalt mixture water permeability performance test device and test method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510578736.1A CN105136645A (en) | 2015-09-13 | 2015-09-13 | Drainage asphalt mixture water permeability performance test device and test method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105136645A true CN105136645A (en) | 2015-12-09 |
Family
ID=54722075
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510578736.1A Pending CN105136645A (en) | 2015-09-13 | 2015-09-13 | Drainage asphalt mixture water permeability performance test device and test method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105136645A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106525689A (en) * | 2016-12-02 | 2017-03-22 | 东南大学 | Water seepage meter and method for measuring large gap pavement structure multidirectional permeability coefficients |
| CN106568699A (en) * | 2016-11-15 | 2017-04-19 | 长安大学 | Test device and method for testing laminar flow characteristics of asphalt pavement |
| CN107421867A (en) * | 2017-07-03 | 2017-12-01 | 东南大学 | A kind of porous asphalt concrete water permeability test device and its method of testing |
| CN108362624A (en) * | 2018-02-24 | 2018-08-03 | 中国石油化工股份有限公司 | A kind of containing consolidated sand permeability test device and its test method |
| CN108982327A (en) * | 2018-08-10 | 2018-12-11 | 西安理工大学 | A kind of damage concrete permeability detection device |
| CN111705594A (en) * | 2020-06-30 | 2020-09-25 | 深圳市市政工程总公司 | Preparation method of cold-mixed cold-laid asphalt mixture |
| CN112240862A (en) * | 2020-09-28 | 2021-01-19 | 广东冠粤路桥有限公司 | Detection device and detection method for detecting drainage coefficient of drainage asphalt pavement |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001183285A (en) * | 1999-12-22 | 2001-07-06 | Nikken Kk | Permeability test apparatus and permeability test method |
| CN101738363A (en) * | 2009-12-28 | 2010-06-16 | 上海嘉洁环保工程有限公司 | Instrument and method for testing permeability coefficient |
| CN202486024U (en) * | 2012-01-13 | 2012-10-10 | 长安大学 | Device for measuring vertical permeability coefficient of asphalt mixture of varying water head |
| CN103439236A (en) * | 2013-08-30 | 2013-12-11 | 山东大学 | Blocking experiment stimulation device and method for water-permeable concrete pavement |
| CN203658219U (en) * | 2014-01-15 | 2014-06-18 | 长安大学 | Water penetration test device for large-gap bituminous mixture |
| CN204988970U (en) * | 2015-09-13 | 2016-01-20 | 华南理工大学 | Drainage bituminous mixture water permeability testing arrangement |
-
2015
- 2015-09-13 CN CN201510578736.1A patent/CN105136645A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001183285A (en) * | 1999-12-22 | 2001-07-06 | Nikken Kk | Permeability test apparatus and permeability test method |
| CN101738363A (en) * | 2009-12-28 | 2010-06-16 | 上海嘉洁环保工程有限公司 | Instrument and method for testing permeability coefficient |
| CN202486024U (en) * | 2012-01-13 | 2012-10-10 | 长安大学 | Device for measuring vertical permeability coefficient of asphalt mixture of varying water head |
| CN103439236A (en) * | 2013-08-30 | 2013-12-11 | 山东大学 | Blocking experiment stimulation device and method for water-permeable concrete pavement |
| CN203658219U (en) * | 2014-01-15 | 2014-06-18 | 长安大学 | Water penetration test device for large-gap bituminous mixture |
| CN204988970U (en) * | 2015-09-13 | 2016-01-20 | 华南理工大学 | Drainage bituminous mixture water permeability testing arrangement |
Non-Patent Citations (1)
| Title |
|---|
| 黄文通 等: "排水层沥青混合料设计与透水性能评价", 《石油沥青》 * |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106568699A (en) * | 2016-11-15 | 2017-04-19 | 长安大学 | Test device and method for testing laminar flow characteristics of asphalt pavement |
| CN106568699B (en) * | 2016-11-15 | 2020-07-28 | 中交第四公路工程局有限公司 | Test device and method for testing laminar flow characteristics of asphalt pavement |
| CN106525689A (en) * | 2016-12-02 | 2017-03-22 | 东南大学 | Water seepage meter and method for measuring large gap pavement structure multidirectional permeability coefficients |
| CN106525689B (en) * | 2016-12-02 | 2020-02-21 | 东南大学 | Water seepage instrument and method for measuring multidirectional permeability coefficient of large-gap pavement structure |
| CN107421867A (en) * | 2017-07-03 | 2017-12-01 | 东南大学 | A kind of porous asphalt concrete water permeability test device and its method of testing |
| CN107421867B (en) * | 2017-07-03 | 2019-11-12 | 东南大学 | A kind of porous asphalt concrete water permeability test device and its test method |
| CN108362624A (en) * | 2018-02-24 | 2018-08-03 | 中国石油化工股份有限公司 | A kind of containing consolidated sand permeability test device and its test method |
| CN108982327A (en) * | 2018-08-10 | 2018-12-11 | 西安理工大学 | A kind of damage concrete permeability detection device |
| CN111705594A (en) * | 2020-06-30 | 2020-09-25 | 深圳市市政工程总公司 | Preparation method of cold-mixed cold-laid asphalt mixture |
| CN111705594B (en) * | 2020-06-30 | 2022-01-11 | 深圳市市政工程总公司 | Preparation method of cold-mixed cold-laid asphalt mixture |
| CN112240862A (en) * | 2020-09-28 | 2021-01-19 | 广东冠粤路桥有限公司 | Detection device and detection method for detecting drainage coefficient of drainage asphalt pavement |
| CN112240862B (en) * | 2020-09-28 | 2022-06-17 | 广东冠粤路桥有限公司 | Detection device and detection method for detecting drainage coefficient of drainage asphalt pavement |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105136645A (en) | Drainage asphalt mixture water permeability performance test device and test method thereof | |
| CN105588796B (en) | A kind of device of accurate quick measure soil permeability coefficient | |
| CN102323159B (en) | Test method of permeameter contacting with structure in high stress, high hydraulic gradient, and large shear deformation | |
| CN201130143Y (en) | Porous medium material permeability coefficient determinator | |
| CN105699269B (en) | The multidirectional constant pressure seepage flow test device of asphalt | |
| CN105203443A (en) | Penetration coefficient determination apparatus for permeable asphalt concrete track board test piece, and test method thereof | |
| CN203965428U (en) | Native test unit is flowed in a kind of piping | |
| CN108613914B (en) | Constant head asphalt mixture multidirectional seepage testing device | |
| CN202793990U (en) | Constant head multihole concrete penetrometer | |
| CN109085103B (en) | Testing device and testing method for permeability coefficient of large-gap asphalt concrete | |
| CN105158141A (en) | Recyclable coarse fracture high velocity seepage testing apparatus | |
| CN103940718B (en) | A kind of on-the-spot permeability experimental facility of discrete material | |
| CN206420750U (en) | A kind of ice shear bond power determines device | |
| CN106706500A (en) | Device for determining permeability of concrete | |
| CN108982327A (en) | A kind of damage concrete permeability detection device | |
| CN103033459B (en) | Device for testing horizontal permeability of cement-soil deep mixing column indoors and test method | |
| CN107677585A (en) | The device for determining permeation coefficient and measuring method of a kind of seepy material | |
| CN203101231U (en) | Fast testing device for seepage coefficient of macroporous concrete | |
| CN204988970U (en) | Drainage bituminous mixture water permeability testing arrangement | |
| CN111155406B (en) | Pavement structure depth measuring instrument and structure depth detection method | |
| CN107807044B (en) | Test device and method for evaluating changes of middle and rear modulus of asphalt mixture before immersion | |
| CN103033460B (en) | The determinator of soil body horizontal osmotic coefficient and method thereof | |
| CN202562833U (en) | Macroporous concrete sample permeameter | |
| CN206710263U (en) | A kind of infiltrative test instrument for studying soil | |
| CN110132817B (en) | Constant-head multi-directional seepage test method for asphalt mixture |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20151209 |
|
| WD01 | Invention patent application deemed withdrawn after publication |