CN107290263A - A kind of tire road surface connects current test device - Google Patents
A kind of tire road surface connects current test device Download PDFInfo
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- CN107290263A CN107290263A CN201710570113.9A CN201710570113A CN107290263A CN 107290263 A CN107290263 A CN 107290263A CN 201710570113 A CN201710570113 A CN 201710570113A CN 107290263 A CN107290263 A CN 107290263A
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- 238000012360 testing method Methods 0.000 title claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 99
- 230000008595 infiltration Effects 0.000 claims abstract description 24
- 238000001764 infiltration Methods 0.000 claims abstract description 24
- 230000008450 motivation Effects 0.000 claims abstract description 23
- 238000007789 sealing Methods 0.000 claims description 5
- 238000005259 measurement Methods 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 7
- 230000033001 locomotion Effects 0.000 description 8
- 239000000428 dust Substances 0.000 description 4
- 239000008393 encapsulating agent Substances 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 4
- 230000002706 hydrostatic effect Effects 0.000 description 4
- 229910052500 inorganic mineral Inorganic materials 0.000 description 4
- 239000011707 mineral Substances 0.000 description 4
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 4
- 239000002352 surface water Substances 0.000 description 4
- 238000004088 simulation Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 208000002925 dental caries Diseases 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 238000009736 wetting Methods 0.000 description 2
- 239000010426 asphalt Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- 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
- G01N15/0806—Details, e.g. sample holders, mounting samples for testing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- 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
- G01N15/082—Investigating permeability by forcing a fluid through a sample
- G01N15/0826—Investigating permeability by forcing a fluid through a sample and measuring fluid flow rate, i.e. permeation rate or pressure change
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- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Fluid Mechanics (AREA)
- Road Repair (AREA)
Abstract
Current test device, including pressurization and air extracting cylinder (1), water creep appearance and shake water power motivation (4) are connected the invention discloses a kind of tire road surface.Water creep appearance includes pressurization graduated cylinder (3), water permeating pipeline (13), cavity base (12), provided with infiltration cavity (15) in cavity base, water permeating pipeline one end connection infiltration cavity, other end connection pressurization graduated cylinder, water permeating pipeline is provided with valve (9).Port of the buret away from water permeating pipeline pressurize by link slot (2) connection pressurization and air extracting cylinder (1), shake water power motivation is arranged on pressurization graduated cylinder, and the port that the graduated cylinder that pressurizes is connected with water permeating pipeline is provided with electronic water meter (5).A kind of tire road surface connection current test device that the present invention is provided, it can simulate bituminous paving infiltration situation after the lower generation flowing pressure of tyre load effect, and bituminous paving infiltration coefficient is measured in the case, measuring accuracy can be improved, actual measurement demand is met, is had broad application prospects.
Description
Technical field
The invention belongs to road engineering technical field, it is related to a kind of simulation tyre load effect lower produce and is dripped after flowing pressure
Blue or green pavement seepage situation and the device for measuring bituminous paving infiltration coefficient in the case, and in particular to a kind of connection of tire road surface
Current test device.
Background technology
Pavement seepage coefficient is to weigh one of key technique index of road surface drainage performance, the measurement of pavement seepage coefficient
Accuracy is related to rainy day current security and road surface Moisture Damage degree.But existing water creep appearance presently, there are following deficiency
Place：
1. existing water creep appearance is only capable of measuring the infiltration coefficient on road surface under hydrostatic pressure, and on true road surface, vehicular load
Track, road surface water is moved under Vehicle Load and road pavement produces flowing pressure, and existing water creep appearance can not be fine
Simulated roadway truth；
2. existing water creep appearance is only capable of measuring pavement seepage coefficient under infiltration coefficient under a kind of state, i.e. hydrostatic pressure, without
The pavement seepage coefficient under a variety of different conditions can be measured and be compared；
3. existing water creep appearance has certain slope on road surface, heeling condition can be on road surface, measurement error is caused；
4. existing water creep appearance does not take integrated design, installing/dismounting is cumbersome, and is easily made due to installing error
Into the failure of an experiment.
The content of the invention
It is an object of the invention to surveyed in view of the above-mentioned problems of the prior art, providing a kind of tire road surface connection current
Trial assembly is put, pavement seepage coefficient under measurable four kinds of different situations, can especially be simulated under tyre load effect road surface time of day
Infiltration effect, the infiltration coefficient of the lower asphalt pavement material of measurement flowing pressure effect, and improve measurement accuracy.
The present invention solves its technical problem and is achieved through the following technical solutions：
A kind of tire road surface connects current test device, including pressurization and air extracting cylinder, water creep appearance and shake water power motivation；
The water creep appearance includes being provided with regulation level on pressurization graduated cylinder, water permeating pipeline, cavity base, the cavity base
Provided with infiltration cavity in the adjusting knob of gradient, the cavity base, the cavity base upper end is provided with more than one
Column, the column is supported with supporting plate, and the pressurization graduated cylinder is vertically arranged in supporting plate, and the pressurization buret is away from branch
The port of fagging connects pressurization and air extracting cylinder by link slot；The water permeating pipeline is in below supporting plate, and the water permeating pipeline
One end is provided with through supporting plate connection pressurization graduated cylinder, the water permeating pipeline other end connection infiltration cavity, the water permeating pipeline
Valve；
The shake water power motivation is arranged on pressurization graduated cylinder, and the port that the pressurization graduated cylinder is connected with water permeating pipeline is provided with
Electronic water meter.
Further, the cavity base is circular platform type, and the bottom of the cavity base is provided with bottom sealing ring.
Further, the cavity base upper end is provided with horizontal bubble instrument.
Further, it is provided with balancing weight on the cavity base.
Further, the shake water power motivation is annular shake water power motivation, and the annular shake water power motivation is set in pressurization
On the outside of graduated cylinder.
Beneficial effects of the present invention are：
Apparatus of the present invention integration, is not in the phenomenon that seeped water caused by installing error；It is mounted with that regulation level is inclined
The adjusting knob and horizontal bubble instrument of gradient, can reduce the measurement mistake that device is caused when having and being measured on acclive road surface
Difference.Apparatus of the present invention can be by under pressurization and air extracting cylinder pavement state different with the open and close measurement in a closed series of shake water power motivation
Infiltration coefficient；Most significantly, apparatus of the present invention can simulate bituminous paving after the lower generation flowing pressure of tyre load effect and ooze
Regimen condition, and bituminous paving infiltration coefficient is measured in the case.
Brief description of the drawings
Fig. 1 is the structural representation that tire road surface of the present invention connects current test device；
Fig. 2 is the perspective diagram and elevational schematic view of circular platform type cavity base in the present invention.
Description of reference numerals
1- pressurization and air extractings cylinder, 2- link slots, 3- pressurization graduated cylinder, 4- shake water power motivation, 5- electronic water meters, 6- supporting plates, 7-
Column, 8- balancing weights, 9- valves, 10- adjusting knobs, 11- horizontal bubbles instrument, 12- cavitys base, 13- water permeating pipelines, 14- bottoms
Portion's sealing ring, 15- infiltration cavitys.
Embodiment
Below by specific embodiment, the invention will be further described, and following examples are descriptive, is not limit
Qualitatively, it is impossible to which protection scope of the present invention is limited with this.
As shown in figure 1, a kind of tire road surface connection current test device, including pressurization and air extracting cylinder 1, water creep appearance and shake water power
Motivation 4.Water creep appearance includes pressurization graduated cylinder 3, water permeating pipeline 13, cavity base 12, and cavity base 12 of the present invention is circular platform type.Cavity
The adjusting knob 10 of regulation horizontal tilt degree is installed, to adapt to the surface conditions of different gradient, and cavity base on base 12
12 upper ends are provided with horizontal bubble instrument 11.The bottom of cavity base 12 is provided with bottom sealing ring 14.It is provided with and oozes in cavity base 12
Water cavity 15, the upper end of cavity base 12 is provided with more than one column 7, and column 7 is supported with supporting plate 6, and pressurization graduated cylinder 3 is vertical
It is arranged in supporting plate 6, and pressurization port of the buret 3 away from supporting plate 6 connects pressurization and air extracting cylinder 1 by link slot 2.Soakaway trench
Road 13 is in the lower section of supporting plate 6, and the one end of water permeating pipeline 13 is through the connection pressurization graduated cylinder 3 of supporting plate 6, the other end of water permeating pipeline 13
Connection infiltration cavity 15, water permeating pipeline 13 is provided with valve 9.
Present invention shake water power motivation 4 is annular shake water power motivation, and annular shake water power motivation is set in the outside of pressurization graduated cylinder 3.
Shake water power motivation 4 to be arranged on pressurization graduated cylinder 3, annular shake water power motivation is used to make in pressurization graduated cylinder 3 water movement to simulate wheel
The flowing pressure that water movement is produced during tire rolling road surface.Pressurization graduated cylinder 3 is provided with electronics with the port that water permeating pipeline 13 is connected
Water meter 5, water changing value in pressurization graduated cylinder 3 when electronic water meter 5 is used to sense water movement.
Apparatus of the present invention can configure balancing weight 8 and be placed on cavity base 12, so as to apply a vertical power, improve device
Sealing effectiveness.
When carrying out infiltration experiment using apparatus of the present invention, the pavement seepage coefficient in the case of four kinds can be measured：
Situation one：Bituminous paving infiltration situation after the lower water movement generation flowing pressure of simulation tyre load effect, and
Bituminous paving infiltration coefficient is measured in the case of this, is carried out as follows：
Step 1, on the test zone on road surface, locating of choosing is cleaned up, finer wire brush handle road surface is used again
Mineral aggregate intergranular dust in surface brushes out and sweeps clean.Then apparatus of the present invention are placed on test zone, it is empty around circular platform type
Bottom of chamber seat 12 removes device after drawing circle, and one layer of encapsulant is applied along the circle drawn just now, then device pedestal exerted oneself to be pressed in circle
On circle；
Step 2, adjustment adjusting knob 10 make it that bubble is placed in the middle in horizontal bubble instrument 11, then places on cavity base 12
Balancing weight 8, leveling adjusting knob 10 is adjusted according to road gradient again so that bubble is placed in the middle in horizontal bubble instrument 11；
Step 3, toward pressurization graduated cylinder 3 in water filling 600ml, according to standard axial conversion into air pressure toward pressurization and air extracting cylinder 1 in lead to
Enter gas, pressurization and air extracting cylinder 1 is connected by link slot 2 with pressurization graduated cylinder 3.It is inflated according to this air pressure true with simulated roadway
Real load situation.Then annular shake water power motivation 4 is opened, water transport in pressurization graduated cylinder 3 is moved up, when simulation tire crosses road surface
The motion conditions of road surface water.Valve 9 is opened, electronic water meter 5 is observed, starts stopwatch immediately as discharge reduction 100ml or so, often
30S observation primary electrons water meter 5, records a water percolating capacity, untill 3min.To eliminate head 30S when experiment starts extremely
The permeable faster uneven influence of 1min inner surfaces wetting, road surface coefficient of permeability is by infiltration road in the 2min times in 1~3min
Face water is calculated：
Pa=(P3-P1)/2
In formula：Pa --- situation once pavement seepage coefficient during water movement under pavement seepage coefficient, i.e. tyre load；
P3 --- pavement seepage amount during 3min；
P1 --- pavement seepage amount during 1min.
Situation two：Pavement seepage coefficient when not moved using present apparatus measurement road surface pressurization but current, is entered as follows
OK：
Step 1, on the test zone on road surface, locating of choosing is cleaned up, finer wire brush handle road surface is used again
Mineral aggregate intergranular dust in surface brushes out and sweeps clean.Then apparatus of the present invention are placed on test zone, it is empty around circular platform type
Bottom of chamber seat 12 removes device after drawing circle, and one layer of encapsulant is applied along the circle drawn just now, then device pedestal exerted oneself to be pressed in circle
On circle；
Step 2, adjustment adjusting knob 10 make it that bubble is placed in the middle in horizontal bubble instrument 11, then places on cavity base 12
Balancing weight 8, leveling adjusting knob 10 is adjusted according to road gradient again so that bubble is placed in the middle in horizontal bubble instrument 11；
Step 3, do not open annular shake water power motivation 4 so as to which current are not moved, toward the graduated cylinder 3 that pressurizes in water filling 600ml, according to
Standard axial conversion is connected pressurization and air extracting cylinder 1 by link slot 2 into air pressure toward inflation in pressurization and air extracting cylinder 1 with pressurization graduated cylinder 3
Connect.Gas with various can also be filled with to simulate different load pressures.Valve 9 is opened, waits and being oozed under water in pressurization graduated cylinder 3, treated
When the water surface drops to 100ml scales in pressurization graduated cylinder 3, manual time-keeping is started immediately and records scale once every 60s, to amount of pressurization
Untill when the water surface drops to 500ml scales in cylinder 3.Pavement seepage coefficient is calculated as follows：
Ca=(V2-V1)/(T2-T1) * 60
In formula：Infiltration coefficient when two times pavement seepage coefficients of Ca --- situation, i.e. road surface pressurize；
V1 --- water (ml) during first time timing；
V2 --- water (ml) during second of timing；
T1 --- first time timing time；
T2 --- second of timing time.
Situation three：Pavement seepage coefficient when measuring road surface water movement using the present apparatus but being not pressurized, enters as follows
OK：
Step 1, on the test zone on road surface, locating of choosing is cleaned up, finer wire brush handle road surface is used again
Mineral aggregate intergranular dust in surface brushes out and sweeps clean.Then apparatus of the present invention are placed on test zone, it is empty around circular platform type
Bottom of chamber seat 12 removes device after drawing circle, and one layer of encapsulant is applied along the circle drawn just now, then device pedestal exerted oneself to be pressed in circle
On circle；
Step 2, adjustment adjusting knob 10 make it that bubble is placed in the middle in horizontal bubble instrument 11, then places on cavity base 12
Balancing weight 8, leveling adjusting knob 10 is adjusted according to road gradient again so that bubble is placed in the middle in horizontal bubble instrument 11；
Step 3, toward water filling 600ml in pressurization graduated cylinder 3, be not connected to pressurization and air extracting cylinder 1, open annular shake water power motivation 4, make
Water transport is moved up in graduated cylinder, current motion conditions in simulated roadway hole.Control valve 9 is opened, electronic water meter 5 is observed, works as water
Amount starts stopwatch immediately when reducing 100ml or so, and per 30S, observation primary electron water meter 5, records a water percolating capacity, until 3min
Untill.To eliminate head 30S when experiment starts to the permeable faster uneven influence of 1min inner surfaces wetting, road surface coefficient of permeability
Calculated by road surface water is penetrated into the 2min times in 1~3min：
Pb=(P3-P1)/2
In formula：Three times pavement seepage coefficients of Pb --- situation, i.e., pavement seepage coefficient under flowing pressure；
P3 --- pavement seepage amount during 3min；
P1 --- pavement seepage amount during 1min.
Situation four：Infiltration coefficient under measurement hydrostatic pressure is can be used for using the present apparatus, is carried out as follows：
Step 1, on the test zone on road surface, locating of choosing is cleaned up, finer wire brush handle road surface is used again
Mineral aggregate intergranular dust in surface brushes out and sweeps clean.Then apparatus of the present invention are placed on test zone, it is empty around circular platform type
Bottom of chamber seat 12 removes device after drawing circle, and one layer of encapsulant is applied along the circle drawn just now, then device pedestal exerted oneself to be pressed in circle
On circle；
Step 2, adjustment adjusting knob 10 make it that bubble is placed in the middle in horizontal bubble instrument 11, then places on cavity base 12
Balancing weight 8, leveling adjusting knob 10 is adjusted according to road gradient again so that bubble is placed in the middle in horizontal bubble instrument 11；
Step 3, pressurization and air extracting cylinder 1 was both not connected to, annular shake water power motivation 4 is not opened yet.Water filling in toward pressurization graduated cylinder 3
600ml, opens and is oozed under water in valve 9, pressurization graduated cylinder 3, when the water surface drops to 100ml scales in graduated cylinder 3 to be pressurised, started immediately
Manual time-keeping records scale once every 60s, untill when the water surface drops to 500ml in the graduated cylinder 3 that pressurizes.Pavement seepage coefficient is pressed
Following formula is calculated：
Cb=(V2-V1)/(T2-T1) * 60
In formula：Four times pavement seepage coefficients of Cb --- situation, i.e., pavement seepage coefficient under hydrostatic pressure；
V1 --- water (ml) during first time timing；
V2 --- water (ml) during second of timing；
T1 --- first time timing time；
T2 --- second of timing time.
More than measurement Integrated comparative is carried out after pavement seepage coefficient in the case of four kinds, the infiltration energy on the road surface can be drawn comprehensively
Power.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (5)
1. a kind of tire road surface connects current test device, it is characterised in that：Including pressurization and air extracting cylinder (1), water creep appearance and shake water
Motor (4)；
The water creep appearance includes pacifying on pressurization graduated cylinder (3), water permeating pipeline (13), cavity base (12), the cavity base (12)
Provided with infiltration cavity (15), the cavity in adjusting knob (10) equipped with regulation horizontal tilt degree, the cavity base (12)
Base (12) upper end is provided with more than one column (7), and the column (7) is supported with supporting plate (6), the pressurization graduated cylinder
(3) it is vertically arranged in supporting plate (6), and the port of the pressurization buret (3) away from supporting plate (6) is connected by link slot (2)
Logical pressurization and air extracting cylinder (1)；The water permeating pipeline (13) is in below supporting plate (6), and the water permeating pipeline (13) one end is passed through
Supporting plate (6) connection pressurization graduated cylinder (3), water permeating pipeline (13) other end connection infiltration cavity (15), the water permeating pipeline
(13) it is provided with valve (9)；
The shake water power motivation (4) is arranged on pressurization graduated cylinder (3), what the pressurization graduated cylinder (3) connected with water permeating pipeline (13)
Port is provided with electronic water meter (5).
2. a kind of tire road surface connection current test device as claimed in claim 1, it is characterised in that：The cavity base
(12) it is circular platform type, and the bottom of the cavity base (12) is provided with bottom sealing ring (14).
3. a kind of tire road surface connection current test device as claimed in claim 2, it is characterised in that：The cavity base
(12) upper end is provided with horizontal bubble instrument (11).
4. a kind of tire road surface connection current test device as claimed in claim 2, it is characterised in that：The cavity base
(12) balancing weight (8) is provided with.
5. a kind of tire road surface connection current test device as claimed in claim 2, it is characterised in that：The shake water power motivation
(4) it is annular shake water power motivation, the annular shake water power motivation is set on the outside of pressurization graduated cylinder (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710570113.9A CN107290263A (en) | 2017-07-13 | 2017-07-13 | A kind of tire road surface connects current test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710570113.9A CN107290263A (en) | 2017-07-13 | 2017-07-13 | A kind of tire road surface connects current test device |
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| Publication Number | Publication Date |
|---|---|
| CN107290263A true CN107290263A (en) | 2017-10-24 |
Family
ID=60101736
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|---|---|---|---|
| CN201710570113.9A Pending CN107290263A (en) | 2017-07-13 | 2017-07-13 | A kind of tire road surface connects current test device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108152187A (en) * | 2017-12-12 | 2018-06-12 | 宁波市华欣建材测试有限公司 | A kind of bituminous paving infiltration coefficient measurement device and measuring method |
| CN108614078A (en) * | 2018-04-27 | 2018-10-02 | 中设设计集团股份有限公司 | A kind of simulation road table moisture film causes the method for water mist concentration after vehicle |
| CN112834625A (en) * | 2021-01-05 | 2021-05-25 | 长安大学 | Lightweight high-density pavement performance detection method |
| CN114544464A (en) * | 2022-04-26 | 2022-05-27 | 四川蜀工公路工程试验检测有限公司 | Pavement water seepage instrument for road construction monitoring and detection method |
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| US4164139A (en) * | 1978-08-09 | 1979-08-14 | The Gilsabind Company | Asphalt penetration indicator |
| CN103091223A (en) * | 2013-01-11 | 2013-05-08 | 浙江驰成建设有限公司 | Water permeable rate test device |
| CN203299096U (en) * | 2013-05-06 | 2013-11-20 | 长安大学 | Dual-purpose asphalt pavement pressurized water seepage instrument |
| CN203595652U (en) * | 2013-12-03 | 2014-05-14 | 河南城建学院 | Asphaltic mixture water seepage test instrument |
| CN104849196A (en) * | 2015-06-05 | 2015-08-19 | 合肥工业大学 | Device and method for measuring water permeability coefficient of asphalt pavement |
| CN204988964U (en) * | 2015-06-09 | 2016-01-20 | 沈阳建筑大学 | A infiltration appearance for measuring hypotonic river system number |
-
2017
- 2017-07-13 CN CN201710570113.9A patent/CN107290263A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4164139A (en) * | 1978-08-09 | 1979-08-14 | The Gilsabind Company | Asphalt penetration indicator |
| CN103091223A (en) * | 2013-01-11 | 2013-05-08 | 浙江驰成建设有限公司 | Water permeable rate test device |
| CN203299096U (en) * | 2013-05-06 | 2013-11-20 | 长安大学 | Dual-purpose asphalt pavement pressurized water seepage instrument |
| CN203595652U (en) * | 2013-12-03 | 2014-05-14 | 河南城建学院 | Asphaltic mixture water seepage test instrument |
| CN104849196A (en) * | 2015-06-05 | 2015-08-19 | 合肥工业大学 | Device and method for measuring water permeability coefficient of asphalt pavement |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108152187A (en) * | 2017-12-12 | 2018-06-12 | 宁波市华欣建材测试有限公司 | A kind of bituminous paving infiltration coefficient measurement device and measuring method |
| CN108614078A (en) * | 2018-04-27 | 2018-10-02 | 中设设计集团股份有限公司 | A kind of simulation road table moisture film causes the method for water mist concentration after vehicle |
| CN108614078B (en) * | 2018-04-27 | 2021-03-19 | 华设设计集团股份有限公司 | Method for simulating road surface water film to cause water mist concentration behind vehicle |
| CN112834625A (en) * | 2021-01-05 | 2021-05-25 | 长安大学 | Lightweight high-density pavement performance detection method |
| CN112834625B (en) * | 2021-01-05 | 2024-03-01 | 长安大学 | Lightweight high-density pavement performance detection method |
| CN114544464A (en) * | 2022-04-26 | 2022-05-27 | 四川蜀工公路工程试验检测有限公司 | Pavement water seepage instrument for road construction monitoring and detection method |
| CN114544464B (en) * | 2022-04-26 | 2022-07-05 | 四川蜀工公路工程试验检测有限公司 | Pavement water seepage instrument for road construction monitoring and detection method |
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Application publication date: 20171024 |