CN106092784A - A kind of constant speed carries formula load flowing pressure scouring instrument and using method thereof surely - Google Patents
A kind of constant speed carries formula load flowing pressure scouring instrument and using method thereof surely Download PDFInfo
- Publication number
- CN106092784A CN106092784A CN201610378500.8A CN201610378500A CN106092784A CN 106092784 A CN106092784 A CN 106092784A CN 201610378500 A CN201610378500 A CN 201610378500A CN 106092784 A CN106092784 A CN 106092784A
- Authority
- CN
- China
- Prior art keywords
- test chamber
- sideboard
- test
- constant speed
- flowing pressure
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/32—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/32—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces
- G01N3/36—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces generated by pneumatic or hydraulic means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0001—Type of application of the stress
- G01N2203/0005—Repeated or cyclic
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The present invention relates to a kind of constant speed and surely carry formula load flowing pressure scouring instrument and using method thereof, including the test chamber with water filling port, test chamber center of inside is provided with the sideboard of a longitudinal direction, forms the first test chamber and the second test chamber；The bearing of fixing test specimen to be measured is installed in first test chamber and the second test chamber；Water stream channel is left between sideboard and test chamber；Sideboard one end passes test chamber and is connected to drive its dynamical system reciprocating between test specimen to be measured；Sideboard is simultaneously connected with the first transverse slat and the middle part of the second transverse slat, the first transverse slat and the second transverse slat and connects with the medial wall of test chamber.Apparatus of the present invention can produce flowing pressure and add on test specimen to be measured together with load, simulate the applying of pavement material load in vehicle travel process and removal well and dynamic water washes away, couple load and water has acted on the damage of road pavement jointly, be beneficial to more meet the water stability studying ground surface material practically.
Description
[technical field]
The invention belongs to highway engineering road surface Moisture Damage technical field, relate to a kind of constant speed and surely carry the punching of formula load flowing pressure
Brush instrument and using method thereof.
[background technology]
Existing industry, the method that evaluation ground surface material water stability is more approved has test method simple, data stabilization
Immersion Marshall and the two-sided indirect tensile test on frozen-thaw hitting real 50 times.And in this, as standard test method, formulate corresponding index and make
It is evaluated for standard.In order to more in depth study the reason of ground surface material Water Damage, also there is scholar in these two kinds of test sides
On the basis of method, by changing the method for specimen molding, controlling the voidage of test specimen, the condition of aggravation test or utilize difference
Mechanical index go the means such as evaluation, have studied the failure mechanism of Water Damage, influence factor, test method and index, prevent from arranging
Execute.The research of the mechanical property decay process that water, load act on lower material jointly is little, considers road surface the most well
Actual environment.Water generator is moved in the Frequency Adjustable pressure regulation of Pan Baofeng of Dalian University of Technology et al. invention research, coordinates three
Shaft experiment, have studied sub-surface and moves the failure mechanism that water washes away, it is provided that research water and the method for load coupling well.But
Being it when studying sub-surface Water Damage, axial compression and confined pressure exist always, and the test specimen of dynamic water erosion damage subjects lotus always
Carry, with the actual environment of ground surface material or different, it is impossible to the road surface under simulation true environment is washed away.
[summary of the invention]
It is an object of the invention to overcome problems of the prior art, it is provided that a kind of constant speed surely carries formula load and moves hydraulic pressure
Power scouring instrument and using method thereof, it is possible to simulated roadway material washes away situation under water and wheel load act on jointly.
In order to achieve the above object, scouring instrument of the present invention adopts the following technical scheme that
Including the test chamber with water filling port, test chamber center of inside is provided with the sideboard of a longitudinal direction, lives
Test chamber is divided into the first test chamber and the second test chamber by dynamic baffle plate；In the first test chamber and the second test chamber, the most right
Claim the bearing for fixing test specimen to be measured is installed；Leave between sideboard and test chamber for connect the first test chamber and
The water stream channel of the second test chamber；
Sideboard one end passes test chamber and is connected to drive its reciprocating moving between test specimen to be measured
Force system；The chute slided for sideboard is offered on test chamber；Sideboard is simultaneously connected with the first transverse slat and second
The middle part of transverse slat, wherein the first transverse slat connects with the medial wall of test chamber chute side, and seals chute all the time, the second transverse slat
Connect with the medial wall of test chamber chute offside.
Further, water stream channel is uniformly to offer some holes on the sideboard within test chamber, and movable
The side of baffle plate connects with the medial wall of test chamber.
Further, the first test chamber and the second test chamber are respectively provided with water filling port.
Further, dynamical system includes the horizontal belt being connected with sideboard, and belt sleeve is connected on the first pulley and
On two pulleys, the first pulley and the second pulley are connected with turning to the first contrary motor and the second motor respectively.
Further, bearing is respectively mounted for detecting load and loading velocity on a side end of sideboard
Sensor, the first motor and the second motor be all connected with the control valve for regulating power and rotating speed, sensor and regulation valve
Men Junyu controller is connected.
Further, test chamber is the rectangular structure sealed, including main frame and relative with sideboard two
Individual side plate, one end of two of which side plate is all hinged with main frame, and the other end is by corner connector and bolt and main frame
It is connected；Bearing is fixed on this side plate.
The technical scheme of using method of the present invention is: comprise the steps:
A first two test specimens to be measured are separately fixed on two bearings by ()；
B () to water filling in test chamber, fills rear enclosed water filling port from water filling port；
C () starts dynamical system, drive sideboard reciprocating between two test specimens to be measured, repeatedly to be tested
Part constant speed applies surely to carry formula load flowing pressure and washes away, until a phenomenon occurs in any one test specimen to be measured.
Further, the speed being further applied load in step (c) is per minute between two test specimens to be measured reciprocal 41～43
Secondary.
Further, the load applied in step (c) is 1～2Mpa.
Compared with prior art, the present invention has a following useful technique effect:
A kind of research material opposing load and the test apparatus of flowing pressure effect
By arranging sideboard in the present invention, and drive sideboard by dynamical system so that it is at certain speed and
Under the load action of size, reciprocating between two test specimens to be measured；And in reciprocatory movement, sideboard is direct
Acting on waterborne, water is extruded to the test chamber of heteropleural by water stream channel, and apparatus of the present invention are possible not only to produce flowing pressure,
And can add on test specimen to be measured together with load, simulate ground surface material feelings under water and wheel load act on jointly
Condition, the effect of Water Damage more conforms to reality；The loading scouring effect of the present invention simulates pavement material well at vehicle row
During sailing, the applying of load and removal and dynamic water are washed away, and coupled load and water acts on the damage of road pavement jointly, it is possible to more
Add and meet the water stability studying ground surface material practically, analyze the mechanism of its Water Damage.
Further, the present invention, by arranging control valve, can need to regulate load and speed merit according to test
Rate and rotating speed come control load size and scouring effect.
Further, the side plate that the present invention is hinged with main frame by setting, convenient installation test specimen to be measured.
The using method of apparatus of the present invention is simple, easy to operate, and the road surface being beneficial under simulation true environment is washed away, and is beneficial to grind
Study carefully road surface flowing pressure to destroy.
[accompanying drawing explanation]
Fig. 1 is that constant speed carries formula load flowing pressure scouring instrument structural representation surely.
Fig. 2 is Section A-A figure in Fig. 1.
Fig. 3 is that constant speed carries formula load flowing pressure scouring instrument power set schematic diagram surely.
In figure: 1-test chamber；2-bearing；3-the first test specimen；4-side plate；5-corner connector；6-water filling port；7-is movable
Baffle plate；8-the first pulley；9-the first motor；10-sensor；11-Serial Port Line；12-control valve；13-controller；14-belt；
15-the second test specimen；16-the second motor；17-the second pulley.
[detailed description of the invention]
Below in conjunction with the accompanying drawings the present invention is described in further details, wherein defines up and down with direction shown in Fig. 1
In direction, only for more clearly describing rather than limitation of the invention.
Seeing Fig. 1, the present invention includes the test chamber 1 of level, and test chamber 1 is the rectangular structure sealed, including main
Framework and two side plates 4 of left and right, the lower end of two of which side plate 4 is all hinged with main frame, and upper end is connected by turning
Part 5 is connected with main frame with bolt；Test chamber 1 center of inside is longitudinally provided with a sideboard 7, and sideboard 7 will examination
Test container 1 and be divided into the first test chamber and the second test chamber, and the side plate 4 of test chamber 1 lays respectively at the first test chamber and second
Test chamber, relative with sideboard 7.It is respectively provided with water filling port 6 in first test chamber and the second test chamber.In the first test chamber and
In two test chambers, the side plate 4 of sideboard 7 being respectively symmetrically and is welded with bearing 2, bearing 2 is used for fixing test specimen to be measured.
Leave for connecting the first test chamber and the water stream channel of the second test chamber between sideboard 7 and test chamber 1,
Water stream channel is uniformly to offer some holes on the sideboard 7 within test chamber 1, and the side of sideboard 7 and examination
The medial wall testing container 1 connects, and is matched in clearance between the two, it is ensured that sideboard 7 can slide.
Seeing Fig. 2, sideboard 7 upper end arranges the connecting rod of one, and connecting rod passes test chamber 1 and is connected to drive work
The dynamical system that dynamic baffle plate 7 slides between test specimen to be measured, sees Fig. 3, and dynamical system includes horizontal with what sideboard 7 was connected
Belt 14, belt 14 is socketed on the first pulley 8 and the second pulley 17, the first pulley 8 and the second pulley 17 respectively with turn to phase
The first anti-motor 9 is connected with the second motor 16.Bearing 2 is respectively mounted for detecting lotus on a side end of sideboard 7
Carrying size and the sensor 10 of loading velocity, the first motor 9 and the second motor 16 all connect control valve 12 by Serial Port Line 11,
Include load regulation valve and speed-regulating valve on control valve 12, for regulation the first motor 9 and the power of the second motor 16 and
Rotating speed；Sensor 10 is all connected with controller 13 with control valve 12；Controller 13 indicates for work, send load regulation and
The instruction of speed regulation.The sensor 10 of size and speed that detection loads load can reflect the change of load, tests people
Member can regulate control valve 12 and change the size of load and the speed of loading as requested, and controller 13 can show lotus
Situation about carrying, testing crew can also regulate the number of times washed away by it.Serial port connecting wire 11 can be by the true feelings of test
Condition informs controller 13.
Test chamber 1 top offers the chute slided for sideboard 7；Sideboard 7 is simultaneously connected with the first transverse slat
With the middle part of the second transverse slat, wherein the first transverse slat connects with the medial wall at i.e. top, test chamber 1 chute side, and seals all the time
Chute, the second transverse slat connects with test chamber 1 bottom inside wall.First transverse slat and the second transverse slat can be along test chambers 1
Chamber wall moves back and forth.
In the present invention, test chamber 1, sideboard 7 and bearing 2 are all that steel plate is made, first motor the 9, second motor 16
Should be secured at testing stand with test chamber 1, it is ensured that the center of the first pulley 8 and the second pulley 17 at sustained height, and first
The line of centres of pulley 8 and the second pulley 17 should be level.
Before test, first according to typical compacting method molding marshal piece, then one group of 2 test specimen is placed at side plate 4, and
Fix with bearing 2, install sensor 10；Secondly, sideboard 7 is playbacked, seals test chamber 1, from water filling port 6 to test
Filling water in container 1, be placed in the water bath with thermostatic control of 25 DEG C, in treating container, water temperature also reaches 25 DEG C.Finally, start to sideboard
7 load, and load action makes sideboard 7 move to the first test chamber, and the water in the first test chamber is quilt under sideboard 7 acts on
Compression, the internal pressure that produces, the first test specimen 3 pressurized increases, and in its hole, the air of residual is compressed, and water enters open pores,
And can flow freely；And the water in the second test chamber discharges on the contrary, time static with sideboard 7 compared with, the second test specimen 15 is subject to
Pressure reduces；Load until sideboard 7 acts directly on the first test specimen 3, now, start to load back to sideboard 7, live
Dynamic baffle plate 7 starts to move to the second test chamber, until being loaded onto on the second test specimen 15；Due to the existence of sideboard 7 aperture, water
Pressure meeting alternate in the first test chamber, the second test chamber.So (sideboard 7 back and forth moves between two test specimens reverse cyclic loadings
Trend test specimen loads), first test specimen the 3, second test specimen 15, by dynamic water and the common effect of load, has simulated the real ring in road surface
Border.Testing crew according to the requirement of oneself, can set load and the speed of test.
The using method of apparatus of the present invention specifically includes following steps:
Step one: open side plate 4, is separately fixed at the first test chamber and the second examination by the first test specimen 3 and the second test specimen 15
Testing on the bearing 2 of indoor, install the sensor 10 of respective termination, sensor 10 can detect stress intensity and velocity variations；
Close epipleural 4, test chamber 1 is sealed.
Step 2: from water filling port 6 to water filling in test chamber 1, fill rear enclosed water filling port 6.
Step 3: start controller 13, open the first motor 9, is rotated with rotating speed r, is driven by first pulley 8 in left side
Belt 14, belt 14 draws sideboard 7 the first test specimen 3 to the left and applies the dynamic water of band load and wash away；Treat that sideboard 7 connects
Contact the first test specimen 3, and load is acted on completely on the first test specimen 3；Now, by the first electricity on the left of controller 13 closedown
Machine 9, the second motor 16 on the right side of unlatching, rotate backward, drive belt 14, belt 14 traction to live by second pulley 17 on right side
The dynamic water that dynamic baffle plate 7 the second test specimen 15 to the right applies band load washes away, until being loaded onto second test specimen 15 surface on right side；
Afterwards, the second motor 16 on the right side of closedown, the first motor 9 on the left of unlatching, repeats the motion mode with overhead gage, repeatedly gives to be tested
Part applies the dynamic water of band load and washes away, until any one occurs a phenomenon in the first test specimen 3 and the second test specimen 15.Wherein,
The load applied is constant speed and surely carries, and the speed being further applied load is per minute reciprocal between the first test specimen 3 and the second test specimen 15
41～43 times, the load of applying is 1～2Mpa.According to needs, speed and size can be adjusted simultaneously.
Step 4: poured out by water, opens side plate 4, takes out the first test specimen 3 and the second test specimen 15 washed away, the now
The road surface that one test specimen 3 and the second test specimen 15 can be simulated under true environment well is washed away, and is beneficial to carry out correlation test research road
Face flowing pressure destroys；And the length washing away the persistent period in the present invention has reacted what mixture resisting moving water washed away the most well
Ability.
Invention emulates road surface under true environment by water and the coefficient environmental effect of load, can control to add
The speed carried and the size of load.Belt 14 is fixed with motor with sideboard 7, pulley, opens driven by motor pulley, and then band
The sideboard 7 that dynamic belt 14 connects, it makees past under the load action of certain speed and size between two test specimens to be measured
Multiple motion.According to test needs, control load size and speed can be come with load and speed-regulating valve door, reflect different washing away
Effect.The scouring effect that loads of the present invention simulates applying and the removal of pavement material load in vehicle travel process well
And dynamic water washes away, couple load and water has acted on the damage of road pavement jointly, it is possible to more conformed to study practically ground surface material
Water stability, analyze the mechanism of its Water Damage；Apparatus of the present invention are possible not only to produce flowing pressure, and can be together with load
Add on test specimen to be measured together, simulate ground surface material situation under water and wheel load act on jointly, the effect of Water Damage
More conform to reality.
Claims (9)
1. a constant speed carries formula load flowing pressure scouring instrument surely, it is characterised in that: include the test chamber with water filling port (6)
(1), test chamber (1) center of inside is provided with the sideboard (7) of a longitudinal direction, and sideboard (7) is by test chamber (1) point
It is the first test chamber and the second test chamber；In the first test chamber and the second test chamber, it is respectively symmetrically to be provided with and treats for fixing
The bearing (2) of test block；Leave between sideboard (7) and test chamber (1) for connecting the first test chamber and the second test
The water stream channel of room；
Sideboard (7) one end passes test chamber (1) and is connected to drive it reciprocating between test specimen to be measured
Dynamical system；The chute slided for sideboard (7) is offered on test chamber (1)；Sideboard (7) is simultaneously connected with first
Transverse slat and the middle part of the second transverse slat, wherein the first transverse slat connects with the medial wall of test chamber (1) chute side, and seals all the time
Chute, the second transverse slat connects with the medial wall of test chamber (1) chute offside.
A kind of constant speed the most according to claim 1 carries formula load flowing pressure scouring instrument surely, it is characterised in that: water stream channel
It is on the sideboard (7) that test chamber (1) is internal, uniformly offer some holes, and the side of sideboard (7) and test
The medial wall of container (1) connects.
A kind of constant speed the most according to claim 1 carries formula load flowing pressure scouring instrument surely, it is characterised in that: the first test
Water filling port (6) it is respectively provided with on room and the second test chamber.
A kind of constant speed the most according to claim 1 carries formula load flowing pressure scouring instrument surely, it is characterised in that: dynamical system
Including the horizontal belt (14) being connected with sideboard (7), belt (14) is socketed in the first pulley (8) and the second pulley (17)
On, the first pulley (8) is connected with turning to contrary the first motor (9) and the second motor (16) respectively with the second pulley (17).
A kind of constant speed the most according to claim 4 carries formula load flowing pressure scouring instrument surely, it is characterised in that: bearing (2)
The sensor (10) for detecting load and loading velocity it is respectively mounted on a side end of sideboard (7), first
Motor (9) and the second motor (16) are all connected with the control valve (12) for regulating power and rotating speed, sensor (10) and regulation
Valve (12) is all connected with controller (13).
A kind of constant speed the most according to claim 1 carries formula load flowing pressure scouring instrument surely, it is characterised in that: test chamber
(1) for the rectangular structure sealed, including main frame and two side plates (4) relative with sideboard (7), two of which side
One end of plate (4) is all hinged with main frame, and the other end is connected with main frame with bolt by corner connector (5)；Bearing (2)
It is fixed on this side plate (4).
7. a constant speed as claimed in claim 1 carries the using method of formula load flowing pressure scouring instrument surely, it is characterised in that:
Comprise the steps:
A first two test specimens to be measured are separately fixed on two bearings (2) by ()；
B () to water filling in test chamber (1), fills rear enclosed water filling port (6) from water filling port (6)；
C () starts dynamical system, drive sideboard (7) reciprocating between two test specimens to be measured, repeatedly to be tested
Part constant speed applies surely to carry formula load flowing pressure and washes away, until a phenomenon occurs in any one test specimen to be measured.
Constant speed the most according to claim 7 carries the using method of formula load flowing pressure scouring instrument surely, it is characterised in that: step
Suddenly the speed being further applied load in (c) is between two test specimens to be measured reciprocal 41～43 times per minute.
Constant speed the most according to claim 7 carries the using method of formula load flowing pressure scouring instrument surely, it is characterised in that: step
Suddenly the load applied in (c) is 1～2Mpa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610378500.8A CN106092784B (en) | 2016-05-31 | 2016-05-31 | A kind of constant speed carries formula load flowing pressure scouring instrument and its application method surely |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610378500.8A CN106092784B (en) | 2016-05-31 | 2016-05-31 | A kind of constant speed carries formula load flowing pressure scouring instrument and its application method surely |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106092784A true CN106092784A (en) | 2016-11-09 |
| CN106092784B CN106092784B (en) | 2018-08-21 |
Family
ID=57230596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610378500.8A Expired - Fee Related CN106092784B (en) | 2016-05-31 | 2016-05-31 | A kind of constant speed carries formula load flowing pressure scouring instrument and its application method surely |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106092784B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106644788A (en) * | 2016-11-11 | 2017-05-10 | 长安大学 | A tester and testing method for stimulating fatigue load and dynamic water erosion action |
| CN107957314A (en) * | 2017-12-11 | 2018-04-24 | 长安大学 | The hydrodynamic pressure value test device of load and the lower road deck of dynamic water coincidence effect |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6150039A (en) * | 1984-08-20 | 1986-03-12 | Intesuko:Kk | Material testing apparatus |
| CN2554620Y (en) * | 2002-06-18 | 2003-06-04 | 长沙交通学院公路工程试验检测中心 | Road material washout test machine |
| CN101907548A (en) * | 2010-07-20 | 2010-12-08 | 申爱琴 | Bituminous pavement material hydrodynamic pressure washing tester |
| CN103323353A (en) * | 2013-07-08 | 2013-09-25 | 大连理工大学 | Dynamic water pressure generator capable of regulating frequency and pressure |
| CN103439210A (en) * | 2013-08-30 | 2013-12-11 | 长沙理工大学 | Pavement material dynamic water pressure washing tester |
| CN103439478A (en) * | 2013-08-30 | 2013-12-11 | 长沙理工大学 | Pavement material dynamic water pressure washing tester capable of metering washing water amount |
| CN203414331U (en) * | 2013-08-30 | 2014-01-29 | 长沙理工大学 | Multi-test-piece test box body for pavement material dynamic water pressure scouring testing machine |
| CN203414333U (en) * | 2013-08-30 | 2014-01-29 | 长沙理工大学 | Reverse dynamic water flushing device of dynamic water pressure washout test machine of pavement material |
| CN104483257A (en) * | 2014-12-27 | 2015-04-01 | 长安大学 | Road cement concrete flowing water washout tester and use method thereof |
| CN204882282U (en) * | 2015-08-19 | 2015-12-16 | 长安大学 | Wheel stone roller formula road surface cement concrete board moves water washout test device |
| CN105203421A (en) * | 2015-10-19 | 2015-12-30 | 长安大学 | Road material washing test device adopting electromagnetic driving |
-
2016
- 2016-05-31 CN CN201610378500.8A patent/CN106092784B/en not_active Expired - Fee Related
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6150039A (en) * | 1984-08-20 | 1986-03-12 | Intesuko:Kk | Material testing apparatus |
| CN2554620Y (en) * | 2002-06-18 | 2003-06-04 | 长沙交通学院公路工程试验检测中心 | Road material washout test machine |
| CN101907548A (en) * | 2010-07-20 | 2010-12-08 | 申爱琴 | Bituminous pavement material hydrodynamic pressure washing tester |
| CN103323353A (en) * | 2013-07-08 | 2013-09-25 | 大连理工大学 | Dynamic water pressure generator capable of regulating frequency and pressure |
| CN103439210A (en) * | 2013-08-30 | 2013-12-11 | 长沙理工大学 | Pavement material dynamic water pressure washing tester |
| CN103439478A (en) * | 2013-08-30 | 2013-12-11 | 长沙理工大学 | Pavement material dynamic water pressure washing tester capable of metering washing water amount |
| CN203414331U (en) * | 2013-08-30 | 2014-01-29 | 长沙理工大学 | Multi-test-piece test box body for pavement material dynamic water pressure scouring testing machine |
| CN203414333U (en) * | 2013-08-30 | 2014-01-29 | 长沙理工大学 | Reverse dynamic water flushing device of dynamic water pressure washout test machine of pavement material |
| CN104483257A (en) * | 2014-12-27 | 2015-04-01 | 长安大学 | Road cement concrete flowing water washout tester and use method thereof |
| CN204882282U (en) * | 2015-08-19 | 2015-12-16 | 长安大学 | Wheel stone roller formula road surface cement concrete board moves water washout test device |
| CN105203421A (en) * | 2015-10-19 | 2015-12-30 | 长安大学 | Road material washing test device adopting electromagnetic driving |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106644788A (en) * | 2016-11-11 | 2017-05-10 | 长安大学 | A tester and testing method for stimulating fatigue load and dynamic water erosion action |
| CN106644788B (en) * | 2016-11-11 | 2023-02-28 | 长安大学 | Tester and testing method for simulating fatigue load and flowing water scouring action |
| CN107957314A (en) * | 2017-12-11 | 2018-04-24 | 长安大学 | The hydrodynamic pressure value test device of load and the lower road deck of dynamic water coincidence effect |
| CN107957314B (en) * | 2017-12-11 | 2024-04-19 | 长安大学 | Dynamic water pressure value testing device of road panel under load and dynamic water coupling effect |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106092784B (en) | 2018-08-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104897458B (en) | A kind of multiphase multi- scenarios method anchoring body combined deformation test method | |
| CN107238541B (en) | accelerated loading device and method for indoor test of pavement materials | |
| CN109374454A (en) | Multifunction road pavement material performance testing device and test method | |
| CN103207120B (en) | Test device and test method for asphalt rotational shear creep and repeated creep recovery | |
| CN105954119B (en) | A kind of static three axis torsional shear destructive characteristics experimental rigs of asphalt | |
| CN106092733B (en) | Bituminous pavement top material moves water washout test instrument and dynamic water scouring test methods | |
| CN105628896B (en) | Simulate starting test system of the ditch bed deposit under the mudstone flow disturbance of upstream | |
| CN109932260A (en) | A kind of the wheel tracking test system and test method of asphalt mixture hydrodynamic pressure environment | |
| CN109708983A (en) | A kind of fatigue test system and method for traffic loading application | |
| CN105891014B (en) | A kind of Rock And Soil shear rheology instrument considering drying and watering cycle damage effect | |
| CN106353068A (en) | Flow-path-adjustable debris flow simulation test system | |
| CN104359671B (en) | Testing device for ball eye flexural vibration fatigue characteristic in power transmission line | |
| CN106092784A (en) | A kind of constant speed carries formula load flowing pressure scouring instrument and using method thereof surely | |
| CN108303065A (en) | A kind of micro breadth oscillation ground dynamical settlement laboratory apparatus and application method | |
| CN105651631A (en) | Device and method for testing water stability of asphalt mixtures | |
| CN111060411B (en) | Intelligent rock mass creep shear testing machine and testing method | |
| CN106092730A (en) | The concrete temperature stress testing machine system of application walk-in type environmental laboratory | |
| CN202793922U (en) | Pavement material shearing intensity and shearing fatigue tester based on strip-type test piece | |
| CN105716981B (en) | A kind of vertical magnetic screen reciprocating friction abrasion tester | |
| CN105866024B (en) | A kind of coefficient of kinetic friction measurement device of the lower rock mass ultra-low friction effect of osmotic pressure effect | |
| CN106323776A (en) | Fatigue testing device of damping pad | |
| CN104713779B (en) | A kind of mining simulation test device | |
| CN206208678U (en) | A kind of fatigue experimental device of beam | |
| CN107132183A (en) | A kind of horizontal magnetic screen reciprocating friction abrasion tester | |
| CN205506602U (en) | Vertical magnetic screen friction wear testing machine that reciprocates |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180821 Termination date: 20190531 |