CN110887778A - Bridge deck expansion joint filling material fatigue life testing device and testing method - Google Patents
Bridge deck expansion joint filling material fatigue life testing device and testing method Download PDFInfo
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- CN110887778A CN110887778A CN201911173594.5A CN201911173594A CN110887778A CN 110887778 A CN110887778 A CN 110887778A CN 201911173594 A CN201911173594 A CN 201911173594A CN 110887778 A CN110887778 A CN 110887778A
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- 238000012360 testing method Methods 0.000 title claims abstract description 171
- 239000000463 material Substances 0.000 title claims abstract description 48
- 230000003068 static effect Effects 0.000 claims abstract description 35
- 238000004088 simulation Methods 0.000 claims abstract description 14
- 230000005540 biological transmission Effects 0.000 claims description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 21
- 238000010438 heat treatment Methods 0.000 claims description 16
- 239000011499 joint compound Substances 0.000 claims description 16
- 230000032683 aging Effects 0.000 claims description 13
- 238000010998 test method Methods 0.000 claims description 5
- 238000002474 experimental method Methods 0.000 claims description 4
- 239000007921 spray Substances 0.000 claims description 4
- 238000005507 spraying Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 8
- 239000000945 filler Substances 0.000 description 4
- 229940126214 compound 3 Drugs 0.000 description 3
- 230000001808 coupling effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
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- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N19/00—Investigating materials by mechanical methods
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Abstract
The invention discloses a fatigue life testing device and a testing method for bridge deck expansion joint filling materials, which provide natural environment factor conditions for the filling materials between a testing static part and a testing movable part by arranging a natural environment simulation device in a testing box body, fix a vibration fixing supporting plate on the side wall in the testing box body, arrange a vibration supporting plate with the upper surface flush with the upper surface of the vibration fixing supporting plate in the testing box body to form a testing static part and testing movable part fixing load plane, form a simulation bridge deck connecting structure between the testing static part and the testing movable part, utilize the vibration device to drive the vibration supporting plate to move up and down relative to the vibration fixing supporting plate to simulate the load condition of a bridge deck, can accurately simulate the load condition of the bridge deck under the influence of the natural environment factor conditions, and test and record the load condition of the bridge deck expansion joint filling materials, thereby realizing the fatigue life performance testing of the bridge deck expansion joint filling materials under the load and the, the device has simple structure and can test the fatigue life performance under different conditions.
Description
Technical Field
The invention relates to the field of performance test of bridge joint filling materials, in particular to a fatigue life test device and a test method for bridge deck expansion joint filling materials.
Background
With the continuous development of bridge construction in China, the number of bridges in China is already in the first place in the world. With the continuous development of bridge construction technology, each component of the bridge is required to have long service life and high durability so as to prolong the comprehensive service life of the bridge. Among them, the joint filler for bridges is one of indispensable materials having excellent bridge-retaining properties. Due to the influence of vehicle load vibration, a certain amplitude can occur to a single bridge deck or component of the bridge, and the amplitude enables expansion joint fillers at the joint of adjacent bridge decks or roads and bridges to be in a shear stretching-shrinking state for a long time. Meanwhile, under the combined action of water, light and heat natural environment factors, the expansion joint filler is continuously aged, so that the expansion joint filler is low in durability and is difficult to replace frequently. One of the most important reasons for this situation is that the skilled artisan has not made a thorough evaluation of the choice of caulking material. The fatigue life of the joint compound under the action of load and environment is often neglected in the selection process of the joint compound material, and technicians only pay attention to the performances of the joint compound material in the aspects of bonding, water isolation and the like. Meanwhile, in the existing method, no device and method for testing the fatigue life performance of the bridge deck expansion joint filling material under the action of load and environment exist, so that the performance evaluation of technicians in the aspect is lacked.
Therefore, it is necessary to develop a device and a method for testing fatigue life of bridge deck expansion joint filling material to help technicians to fully evaluate the performance of the bridge expansion joint filling material and to provide an evaluation method for the optimization of the filling material.
Disclosure of Invention
The invention aims to provide a device and a method for testing the fatigue life of a bridge deck expansion joint filling material, so as to overcome the defects of the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a bridge floor expansion joint material fatigue life testing arrangement, the test box comprises a test box, vibrating device, natural environment analogue means and be fixed in the fixed layer board of the vibration of the internal lateral wall of test box, be equipped with the vibration layer board of upper surface and the fixed layer board upper surface parallel and level of vibration in the test box, the one end terminal surface and the fixed layer board end face contact of vibration layer board, vibrating device can drive the fixed layer board of vibration layer board relative vibration and reciprocate, be fixed with test quiet piece and test moving piece on vibration fixed layer board and the vibration layer board respectively, fill through joint material between test quiet piece and the test moving piece, natural environment analogue means sets up in the test box, joint material between for test quiet piece and test moving piece provides natural environment factor condition.
Furthermore, the vibration device comprises a vibration motor fixed at the upper end in the test box body and a spring component fixed at the bottom of the vibration supporting plate, the vibration motor is connected with a sample support through a transmission rod, the sample support comprises an upper baffle and a side baffle, and the upper baffle and the side baffle are respectively contacted with the upper end surface and the side surface of the test moving part.
Furthermore, a vibration counter for acquiring vibration times is arranged on the transmission rod.
Furthermore, the upper end of the sample support is provided with a transmission disc used for being connected with the transmission rod.
Furthermore, the side face of the vibration fixing supporting plate is provided with a side plate for fixing the test static piece.
Furthermore, the natural environment simulation device comprises a heating pipe, an ultraviolet aging lamp and a water spraying opening which are arranged in the testing box body, the heating pipe is used for heating in the testing box body, and the ultraviolet aging lamp and the water spraying opening are arranged at the upper end of the joint of the testing static piece and the testing movable piece.
A fatigue life test method for a bridge deck expansion joint filling material comprises the following steps:
1) respectively fixing a testing movable piece and a testing static piece on the vibration fixing supporting plate and the vibration supporting plate, then filling joints between the testing movable piece and the testing static piece by adopting a joint filling material, and curing and forming;
2) fixedly connecting the sample bracket with the transmission rod, and then attaching the sample bracket to the surface of the test movable piece;
3) and setting test conditions and parameters, starting the vibration motor to carry out a vibration experiment, and recording the test conditions and parameters and the damage condition of the joint filling material on the expansion joint between the test movable piece and the test static piece.
Further, in the step 1), the test movable part and the test static part are respectively placed on the vibration fixing supporting plate and the vibration supporting plate, the samples on the vibration supporting plate and the vibration fixing supporting plate are respectively fixed through the sample support and the side plates, the samples on the sample support and the vibration supporting plate are adjusted to be attached to the periphery of the sample, and then the sample support and the side plates on the vibration fixing supporting plate are fixed through the secondary clamping rods to prevent vertical deformation.
Furthermore, an expansion joint is formed by slotting the connecting joint of the testing movable piece and the testing static piece.
Compared with the prior art, the invention has the following beneficial technical effects:
the invention relates to a fatigue life testing device for bridge deck expansion joint filling materials, which provides natural environment factor conditions for the filling materials between a testing static part and a testing moving part by arranging a natural environment simulation device in a testing box body, fixes a vibration fixing supporting plate on the side wall in the testing box body, arranges a vibration supporting plate with the upper surface flush with the upper surface of the vibration fixing supporting plate in the testing box body, one end surface of the vibration supporting plate is contacted with one end surface of the vibration fixing supporting plate to form a fixed load plane of the testing static part and the testing moving part, forms a simulation bridge deck connection structure by filling the filling materials between the testing static part and the testing moving part, utilizes the vibration device to drive the vibration supporting plate to move up and down relative to the vibration fixing supporting plate to simulate the load condition of a bridge deck, can accurately simulate the load condition of the bridge deck under the influence of the natural environment factor conditions, and performs test recording on the load, the device has simple structure and controllable natural condition factor parameters, can test the fatigue life performance under different conditions, and has accurate test result.
Further, vibrating device is including being fixed in the vibrating motor of the internal upper end of test box and being fixed in the spring unit bottom of vibration layer board, and vibrating motor is connected with the sample support through the transfer line, and the sample support includes overhead gage and side shield, overhead gage and side shield respectively with the up end and the side contact of test movable piece, adopt spring unit as vibration layer board bottom nature resilience structure, can accurately simulate real decking and send back the bullet curve after receiving the load, and the test result degree of accuracy is high.
Furthermore, a vibration counter for acquiring vibration times is arranged on the transmission rod, so that measurement result parameters can be accurately obtained.
Furthermore, the upper end of the sample support is provided with a transmission disc used for being connected with the transmission rod, so that the stress stability of the sample support is ensured.
Furthermore, the side face of the vibration fixing supporting plate is provided with a side plate for fixing the testing static piece, so that the testing static piece is prevented from sliding laterally in the testing process, and the accuracy of a testing result is ensured.
Furthermore, the natural environment simulation device comprises a heating pipe, an ultraviolet aging lamp and a water spraying opening which are arranged in the testing box body, the heating pipe is used for heating in the testing box body, the ultraviolet aging lamp and the water spraying opening are arranged at the upper end of the joint of the testing static piece and the testing movable piece, the natural environment condition is controllable, and the result is accurate.
The invention relates to a fatigue life test method for a bridge deck expansion joint filling material, which comprises the steps of respectively fixing a test movable piece and a test static piece on a vibration fixing supporting plate and a vibration supporting plate, then filling joints between the test movable piece and the test static piece by using the joint filling material, and maintaining and forming; ensuring the consistency of the road condition of the test structural part and the real bridge deck slab and the accuracy of the result, fixedly connecting the sample bracket with the transmission rod, and then attaching the sample bracket to the surface of the test movable part; the testing conditions and parameters are set, the vibration motor is started to carry out vibration experiments, the testing conditions and parameters are recorded, the damage conditions of the joint compound on the expansion joint between the movable part and the static part are tested, the influence of the coupling effect of load, heat, light and water factors on the fatigue life of the joint compound is comprehensively considered, the fatigue life of the joint compound under the multi-factor coupling effect can be tested, and the durability of the joint compound can be comprehensively evaluated.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
FIG. 2 is a top view of the structure of the present invention.
Fig. 3 is a state diagram of the bridge deck under no load.
Fig. 4 is a state diagram when a wheel load acts on the bridge deck.
Fig. 5 is a schematic diagram of the load law of the vehicle load on the bridge deck.
Wherein, 1, testing the box body; 2. testing the static part; 3. filling a gap; 4. testing the movable part; 5. a spring member; 6. vibrating the fixed supporting plate; 7. a sample holder; 8. heating a tube; 9. a transmission rod; 10. a vibration counter; 11. a vibration motor; 12. an ultraviolet aging lamp; 13. a water jet; 14. a flow meter; 15. a control system; 16. a clamping bar; 17. a baffle plate; 18. an expansion joint; 19. a drive plate; 20. the pallet is vibrated.
Detailed Description
The invention is described in further detail below with reference to the accompanying drawings:
as shown in fig. 1 and 2, a fatigue life testing device for a bridge deck expansion joint filling material comprises a testing box body 1, a vibrating device, a natural environment simulation device and a vibrating fixed supporting plate 6 fixed on the side wall in the testing box body 1, wherein a vibrating supporting plate 20 with the upper edge surface being flush with the upper surface of the vibrating fixed supporting plate 6 is arranged in the testing box body 1, one end surface of the vibrating supporting plate 20 is in end surface contact with one end surface of the vibrating fixed supporting plate 6, the vibrating device can drive the vibrating supporting plate 20 to move up and down relative to the vibrating fixed supporting plate 6, a testing static part 2 and a testing movable part 4 are respectively fixed on the vibrating fixed supporting plate 6 and the vibrating supporting plate 20, and the testing static part 2 and the testing movable part 4 are filled with the filling material 3 to form; the natural environment simulation device is arranged in the test box body 1 and provides natural environment factor conditions for the joint filling material 3 between the test static part 2 and the test moving part 4.
Specifically, the vibration device comprises a vibration motor 11 fixed at the upper end in the test box body and a spring component 5 fixed at the bottom of a vibration supporting plate 20, the vibration motor 11 is connected with a sample support 7 through a transmission rod 9, the sample support 7 comprises an upper baffle and a side baffle 17, and the upper baffle and the side baffle 17 are respectively contacted with the upper end face and the side face of the test movable piece 4, so that the stability of lateral movement of the test movable piece 4 in the vibration process is ensured; a vibration counter 10 is arranged on the transmission rod 9 and used for acquiring vibration times; the side face of the vibration fixing supporting plate 6 is provided with a side plate for fixing the test static part 2.
The upper end of the sample support 7 is provided with a transmission disc 19 for connecting with the transmission rod 9.
The natural environment simulation device comprises a heating pipe 8, an ultraviolet aging lamp 12 and a water spraying port 13 which are arranged in a test box body 1, wherein the heating pipe 8 is used for heating in the test box body, and the ultraviolet aging lamp 12 and the water spraying port 13 are arranged at the upper end of a joint filling material 3 at the joint of a test static part 2 and a test moving part 4.
The testing box body 1 provides a simulation environment for closed testing, the vibration fixing supporting plate 6 is fixed on the side wall of the box body 1 and used for placing the testing static part 2, and the vibration supporting plate 20 is fixed at the bottom of the testing box body 1 through the spring part 5 and used for placing the testing movable part 4; the testing movable part 4 and the testing static part 2 are respectively arranged on the vibration supporting plate 20 and the vibration fixing supporting plate 6, and the sample bracket 7 is arranged on the testing movable part 4; the transmission rod 9 transmits the vibration load to the transmission disc 19. The vibration motor 11 and the transmission rod 9 enable the testing movable piece 4 to generate sinusoidal deformation, and the state of continuous shearing, stretching and shrinking circulation of the joint compound under the action of vehicle load is simulated. The side wall of the test box body 1 is provided with a heating pipe to control the temperature of the box body, the top of the test box body is provided with an ultraviolet aging lamp 12 and a water spraying port 13, and the water spraying port 13 is connected with a flowmeter 14. The outside of the test box body 1 is provided with a control system 15, and the control system 15 is used for controlling the natural environment simulation device in the box body 1 and setting experiment conditions.
An expansion joint 18 is formed between the movable testing member 4 and the fixed testing member 2.
Two baffles 17 are arranged at two ends of the joint compound 3, so that the outflow of materials during pouring of the joint compound 3 can be reduced. Two clamping rods 16 are arranged on two sides of the position of the expansion joint 18 of the sample support 7, so that the joint material 3 is prevented from generating vertical deformation before strength is formed.
The amplitude of the vibration motor 11 is 1.0-1.2cm, and the frequency is 40 Hz; the vibration motor 11 is connected to a drive plate 19 on the test movable member 4 via a drive rod 9.
The vibration counter 10 is connected with the transmission rod 11 and is used for recording the vibration load acting times of the vibration motor 9.
The ultraviolet aging lamp 12 is used for simulating ultraviolet rays generated by the sun. And the heating wire 8 is used for controlling the temperature of the box body. The water jet 13 simulates the action of moisture by controlling the amount of water sprayed from the water jet 13 by a flowmeter 14.
The control system 15 comprises a motor switch, an ultraviolet aging lamp switch, a temperature switch and a water spray switch. And parameters such as temperature, water spraying time, vibration time and the like can be set. The fatigue life of the bridge deck expansion joint filling material under the coupling action of different conditions of load, light, heat and water can be simulated by controlling different switches.
Aiming at the concrete test process of the bridge deck expansion joint filling material fatigue life test device, the bridge deck expansion joint is subjected to vehicle load as shown in figures 3-5:
1) preparing two cement concrete samples of 40cm by 20cm by 5cm, maintaining for 7 days, testing, vibrating and fixing the two concrete samples on the supporting plate 6 and the vibrating supporting plate 20 respectively, fixing the samples on the vibrating supporting plate 20 and the vibrating and fixing supporting plate 6 through the sample support 7 and the side plates respectively, adjusting the sample support 7 to be attached to the periphery of the sample of the vibrating supporting plate 20, and fixing the sample support 7 and the side plates on the vibrating and fixing supporting plate 6 by using the clamping rods 16 to prevent vertical deformation; slotting at the joint of the two concrete samples to form an expansion joint 18, wherein the width of the slot is 2cm, and the depth of the slot is 2.5cm, namely slotting each of the two test samples by 1cm and slotting each of the two test samples by 2.5 cm;
2) filling the expansion joint 18 with the melted joint filling material 3, and curing and forming for 3 days for testing;
3) placing the sample bracket 7 on the vibration fixing supporting plate 6, loosening and taking down the clamping rod 16, and connecting and fixing the transmission rod 9 with a transmission disc 19 on the sample bracket 7;
4) setting test conditions and parameters according to test requirements in a control system 15, simulating load by a vibration motor 11, simulating ultraviolet light by an ultraviolet aging lamp 12, controlling temperature by a heating pipe 8, and simulating moisture action by a water spray nozzle 13;
5) in the test, when the joint compound 3 is damaged or the test vibration frequency reaches 1 multiplied by 107And (5) reading the vibration frequency of the vibration counter 10 or observing the damage condition of the joint compound to evaluate the fatigue life of the joint compound when the accumulated standard axle load frequency of the highway heavy traffic is more than 100 ten thousand times.
Claims (9)
1. A fatigue life testing device for bridge deck expansion joint filling materials is characterized by comprising a testing box (1), a vibrating device, a natural environment simulation device and a vibrating fixed supporting plate (6) fixed on the side wall in the testing box body (1), wherein a vibrating supporting plate (20) with the upper surface flush with the upper surface of the vibrating fixed supporting plate (6) is arranged in the testing box body (1), one end face of the vibrating supporting plate (20) is in end face contact with one end face of the vibrating fixed supporting plate (6), the vibrating device can drive the vibrating supporting plate (20) to move up and down relative to the vibrating fixed supporting plate (6), a testing static part (2) and a testing movable part (4) are respectively fixed on the vibrating fixed supporting plate (6) and the vibrating supporting plate (20), the testing static part (2) and the testing movable part (4) are filled with the filling materials (3), the natural environment simulation device is arranged in the testing box body (1), the joint compound (3) between the static testing part (2) and the movable testing part (4) is provided with natural environment factor conditions.
2. The bridge deck expansion joint filling material fatigue life testing device of claim 1, wherein the vibration device comprises a vibration motor (11) fixed at the upper end in the testing box body and a spring component (5) fixed at the bottom of the vibration supporting plate (20), the vibration motor (11) is connected with a sample support (7) through a transmission rod (9), the sample support (7) comprises an upper baffle and a side baffle (17), and the upper baffle and the side baffle (17) are respectively contacted with the upper end face and the side face of the testing movable piece (4).
3. The fatigue life testing device for the joint compound of the bridge deck expansion joint as claimed in claim 2, wherein the driving rod (9) is provided with a vibration counter (10) for acquiring the vibration times.
4. The fatigue life testing device for the joint compound of the bridge deck expansion joint as claimed in claim 2, wherein the upper end of the sample bracket (7) is provided with a driving disc (19) for connecting with the driving rod (9).
5. The fatigue life testing device for the joint filling material of the bridge deck expansion joint as claimed in claim 1, wherein the side surface of the vibration fixing supporting plate (6) is provided with a side plate for fixing the testing static member (2).
6. The bridge deck expansion joint filling material fatigue life testing device of claim 1, characterized in that, the natural environment simulation device comprises a heating pipe (8), an ultraviolet aging lamp (12) and a water spray nozzle (13) which are arranged in the testing box body (1), the heating pipe (8) is used for heating in the testing box body, the ultraviolet aging lamp (12) and the water spray nozzle (13) are arranged at the upper end of the filling material (3) at the joint of the testing static part (2) and the testing movable part (4).
7. A fatigue life test method for bridge deck expansion joint filling materials based on the test device of claim 2 is characterized by comprising the following steps:
1) respectively fixing a testing movable piece (4) and a testing static piece (2) on a vibration fixing supporting plate (6) and a vibration supporting plate (20), then filling joints (18) between the testing movable piece (4) and the testing static piece (2) by using a joint filling material (3), and maintaining and forming;
2) fixedly connecting the sample bracket (7) with the transmission rod (9), and then attaching the sample bracket (7) to the surface of the test moving piece (4);
3) and setting test conditions and parameters, starting the vibration motor to carry out a vibration experiment, and recording the test conditions and parameters and the damage condition of the joint filling material on the expansion joint (18) between the test movable piece (4) and the test static piece (2).
8. The bridge deck expansion joint filling material fatigue life testing method according to claim 7, characterized in that in step 1), the testing movable part (4) and the testing stationary part (2) are respectively placed on the vibration fixing supporting plate (6) and the vibration supporting plate (20), samples on the vibration supporting plate (20) and the vibration fixing supporting plate (6) are respectively fixed through the sample support (7) and the side plates, the sample support (7) is adjusted to be attached to the periphery of the sample of the vibration supporting plate (20), and then the sample support (7) is fixed with the side plates on the vibration fixing supporting plate (6) through the clamping rods (16) to prevent vertical deformation.
9. The fatigue life test method of bridge deck expansion joint filling material according to claim 8, characterized in that the expansion joint (18) is formed by slotting the joint of the test movable member (4) and the test stationary member (2).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911173594.5A CN110887778A (en) | 2019-11-26 | 2019-11-26 | Bridge deck expansion joint filling material fatigue life testing device and testing method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911173594.5A CN110887778A (en) | 2019-11-26 | 2019-11-26 | Bridge deck expansion joint filling material fatigue life testing device and testing method |
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| CN110887778A true CN110887778A (en) | 2020-03-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113820230A (en) * | 2021-09-29 | 2021-12-21 | 中交公路长大桥建设国家工程研究中心有限公司 | Fatigue test device |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000338021A (en) * | 1999-05-26 | 2000-12-08 | Servo Technos:Kk | Movement vibration fatigue-testing device |
| JP2005037272A (en) * | 2003-07-16 | 2005-02-10 | Daipura Uintesu Kk | Method and machine for testing sealing material |
| CN102680311A (en) * | 2012-05-10 | 2012-09-19 | 东南大学 | Steel box girder and bridge road system cooperation model and test system |
| RU132891U1 (en) * | 2013-02-22 | 2013-09-27 | Федеральное Государственное Автономное Образовательное Учреждение Высшего Профессионального Образования "Дальневосточный Федеральный Университет" (Двфу) | LOAD UNIT FOR INSTALLATION TESTING MATERIALS |
| CN203629982U (en) * | 2013-12-02 | 2014-06-04 | 山西省交通科学研究院 | Vertical shearing fatigue testing machine of jointing material |
| CN104034611A (en) * | 2014-04-18 | 2014-09-10 | 武汉理工大学 | Fatigue cracking simulation testing method and apparatus for seamless expansion joint material of bridge |
| CN104777095A (en) * | 2015-04-09 | 2015-07-15 | 长安大学 | Equipment and method for testing bonding fatigue performance of pavement crack filling material |
| EP3534145A1 (en) * | 2018-02-28 | 2019-09-04 | Bundesrepublik Deutschland, vertreten durch den Bundesminister für Wirtschaft und Energie | Joint test bench |
-
2019
- 2019-11-26 CN CN201911173594.5A patent/CN110887778A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000338021A (en) * | 1999-05-26 | 2000-12-08 | Servo Technos:Kk | Movement vibration fatigue-testing device |
| JP2005037272A (en) * | 2003-07-16 | 2005-02-10 | Daipura Uintesu Kk | Method and machine for testing sealing material |
| CN102680311A (en) * | 2012-05-10 | 2012-09-19 | 东南大学 | Steel box girder and bridge road system cooperation model and test system |
| RU132891U1 (en) * | 2013-02-22 | 2013-09-27 | Федеральное Государственное Автономное Образовательное Учреждение Высшего Профессионального Образования "Дальневосточный Федеральный Университет" (Двфу) | LOAD UNIT FOR INSTALLATION TESTING MATERIALS |
| CN203629982U (en) * | 2013-12-02 | 2014-06-04 | 山西省交通科学研究院 | Vertical shearing fatigue testing machine of jointing material |
| CN104034611A (en) * | 2014-04-18 | 2014-09-10 | 武汉理工大学 | Fatigue cracking simulation testing method and apparatus for seamless expansion joint material of bridge |
| CN104777095A (en) * | 2015-04-09 | 2015-07-15 | 长安大学 | Equipment and method for testing bonding fatigue performance of pavement crack filling material |
| EP3534145A1 (en) * | 2018-02-28 | 2019-09-04 | Bundesrepublik Deutschland, vertreten durch den Bundesminister für Wirtschaft und Energie | Joint test bench |
Non-Patent Citations (2)
| Title |
|---|
| 张天天: "彬长矿区胡家河、小庄井田煤层气赋存规律研究", no. 05 * |
| 王宝松 等: "水泥混凝土路面填缝料疲劳试验方法研究", no. 03, pages 1 - 5 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113820230A (en) * | 2021-09-29 | 2021-12-21 | 中交公路长大桥建设国家工程研究中心有限公司 | Fatigue test device |
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