JP2000338021A - Movement vibration fatigue-testing device - Google Patents
Movement vibration fatigue-testing deviceInfo
- Publication number
- JP2000338021A JP2000338021A JP11182196A JP18219699A JP2000338021A JP 2000338021 A JP2000338021 A JP 2000338021A JP 11182196 A JP11182196 A JP 11182196A JP 18219699 A JP18219699 A JP 18219699A JP 2000338021 A JP2000338021 A JP 2000338021A
- Authority
- JP
- Japan
- Prior art keywords
- load
- truck
- vibration
- test
- testing device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
Description
【0001】[0001]
【発明の属する技術分野】本試験装置は、材料および部
材に作用する荷重を再現し、ある範囲に渡って作用させ
る試験装置である。例えば、自動車・列車などの走行時
にみられるような、変動し、且つ移動する荷重の影響を
受ける材料・構造物の強度および疲労耐久試験に使われ
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present test apparatus is a test apparatus which reproduces a load acting on a material and a member and applies the load over a certain range. For example, it is used for strength and fatigue endurance tests of materials and structures that are affected by fluctuating and moving loads, such as those encountered when running automobiles and trains.
【0002】[0002]
【従来の技術】従来の同様の構造物試験装置(図2)で
は、供試体を固定し、荷重装置1を移動するが、反力フ
レーム9と荷重装置1の構造が大掛りとなり、容易な試
験とはなっていなかった。2. Description of the Related Art In a conventional similar structure testing apparatus (FIG. 2), a test piece is fixed and a load device 1 is moved. However, the structure of the reaction force frame 9 and the load device 1 becomes large and easy. It was not a test.
【0003】[0003]
【発明が解決しようとする課題】荷重装置1を円滑に且
つある程度の速さで移動させるには、反力フレーム9へ
の固い取付が必要であり、水平方向の力によるモーメン
トを低減するには、荷重装置1の先端を支持する必要が
あると考えた。In order to move the load device 1 smoothly and at a certain speed, it is necessary to firmly attach the load device 1 to the reaction frame 9, and to reduce the moment due to the horizontal force. It was considered necessary to support the tip of the load device 1.
【0004】[0004]
【問題を解決するための手段】本装置では、鉛直方向
の荷重装置1を支持棒3で支柱に連結し、台車上の供
試体4を駆動装置で台車5ごと移動させる方法を考案
し、従来より容易な方法で且つより速い速度の条件下で
試験が可能となった。In this apparatus, a method is proposed in which a vertical load device 1 is connected to a support by a support rod 3 and a specimen 4 on the carriage is moved together with the carriage 5 by a drive unit. Testing has become possible in an easier way and under faster speed conditions.
【0005】[0005]
【発明の実施の形態】本装置の実施例(図1)について
説明する。供試体は、支点間約2.0mの鉄筋コンクリ
ートの梁で、一定の荷重および振動する変動荷重を作用
させて2.0m間を走行させている。図3は一定な荷重
で走行させた場合であり、図4は一定な荷重58.8k
N、88.2kNの±20%の振幅の正弦波形による振
動荷重を2Hzで作用させたものである。両試験におい
ての荷重・走行状態は試験体の表面の凹凸による±1.
5kN程度の荷重変動を忠実に再現していることが確認
できる。したがって、本移動振動疲労試験装置を用いて
次の様な試験が可能である。 (1) 一定荷重による試験(図5a) (2) 走行振動荷重による試験(図5b) (3) その他上記の組み合わせによる試験DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present apparatus (FIG. 1) will be described. The specimen is a reinforced concrete beam with a fulcrum of about 2.0 m, and runs for 2.0 m under a constant load and a vibrating variable load. FIG. 3 shows a case where the vehicle is driven with a constant load, and FIG.
N, a vibration load having a sinusoidal waveform having an amplitude of ± 20% of 88.2 kN was applied at 2 Hz. The load and running conditions in both tests were ± 1.
It can be confirmed that the load variation of about 5 kN is faithfully reproduced. Therefore, the following test can be performed using the present mobile vibration fatigue test apparatus. (1) Test under constant load (Fig. 5a) (2) Test under running vibration load (Fig. 5b) (3) Test using other combinations
【0006】[0006]
【発明の効果】本装置を用いて、種々の構造試験が容易
に実際的な荷重を載荷した状態で行われることが期待で
きる。例えば、路面の凹凸や伸縮継手の段差の影響によ
り生じた走行車両の振動と橋梁および構造物の振動問題
についても一層現実的な評価が可能となる。According to the present invention, it can be expected that various structural tests can be easily performed with a practical load applied. For example, it is possible to more realistically evaluate the vibration of the traveling vehicle and the vibration of the bridge and the structure caused by the influence of the unevenness of the road surface and the step of the expansion joint.
【図1】本発明の試験装置FIG. 1 is a test apparatus of the present invention.
【図2】従来の試験装置例Fig. 2 Example of conventional test equipment
【図3】鉄筋コンクリート梁上の走行試験(一定荷重)Fig. 3 Running test on reinforced concrete beams (constant load)
【図4】鉄筋コンクリート梁の走行試験(振動荷重)FIG. 4 Running test of reinforced concrete beams (vibration load)
【図5】移動振動疲労試験装置による試験法の例FIG. 5 shows an example of a test method using a moving vibration fatigue test apparatus.
1 荷重装置 2 ローラー 3 支持棒 4 供試体 5 台車 6 電動機 7 レール 8 移動装置 9 反力フレーム DESCRIPTION OF SYMBOLS 1 Load device 2 Roller 3 Support bar 4 Specimen 5 Dolly 6 Electric motor 7 Rail 8 Moving device 9 Reaction frame
Claims (1)
行うため、供試体を台車およびクランク機構にて水平方
向に往復運動させて移動振動疲労試験を行う装置(図
1)。An apparatus for performing a moving vibration fatigue test by reciprocating a specimen in a horizontal direction with a bogie and a crank mechanism in order to perform a strength / durability test of materials and members (FIG. 1).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11182196A JP2000338021A (en) | 1999-05-26 | 1999-05-26 | Movement vibration fatigue-testing device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11182196A JP2000338021A (en) | 1999-05-26 | 1999-05-26 | Movement vibration fatigue-testing device |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2000338021A true JP2000338021A (en) | 2000-12-08 |
Family
ID=16114038
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11182196A Pending JP2000338021A (en) | 1999-05-26 | 1999-05-26 | Movement vibration fatigue-testing device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2000338021A (en) |
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100794243B1 (en) | 2006-12-18 | 2008-01-11 | 한국건설기술연구원 | Devices and method for experiment of vehicle passing simulation |
JP2008058078A (en) * | 2006-08-30 | 2008-03-13 | Railway Technical Res Inst | Vibration testing method and vibration tester |
CN102243157A (en) * | 2011-03-29 | 2011-11-16 | 山东交通学院 | Fatigue test loading device of transportation on bridge |
CN102680311A (en) * | 2012-05-10 | 2012-09-19 | 东南大学 | Steel box girder and bridge road system cooperation model and test system |
CN104913978A (en) * | 2015-05-28 | 2015-09-16 | 同济大学 | Escalator drive chain breaking tensile test, fatigue test and chain length precision measurement test table |
CN106404361A (en) * | 2016-06-28 | 2017-02-15 | 浙江工业大学 | Adjusting apparatus for structural test loading reaction frame |
CN107884264A (en) * | 2017-11-10 | 2018-04-06 | 江苏中路工程技术研究院有限公司 | A kind of crank-type road-surface accelerating and loading test device |
CN109932259A (en) * | 2019-02-22 | 2019-06-25 | 河海大学 | A kind of multi-faceted reciprocal loading device of steel box-girder wheel load and its application method |
CN110887778A (en) * | 2019-11-26 | 2020-03-17 | 长安大学 | Bridge deck expansion joint filling material fatigue life testing device and testing method |
CN111257143A (en) * | 2020-01-22 | 2020-06-09 | 黑龙江建筑职业技术学院 | Cold region bridge fatigue degree testing device and operation method thereof |
CN113373991A (en) * | 2021-06-23 | 2021-09-10 | 唐春梅 | Road bridge changeover portion road bed settlement test platform |
CN114813004A (en) * | 2022-06-29 | 2022-07-29 | 中国飞机强度研究所 | Loading attitude control method in airplane vertical fin vibration fatigue test |
CN117571518A (en) * | 2024-01-15 | 2024-02-20 | 吉林省金舆科技有限公司 | Abnormal steel plate strength test equipment for bridge anti-collision wall expansion joint |
-
1999
- 1999-05-26 JP JP11182196A patent/JP2000338021A/en active Pending
Cited By (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008058078A (en) * | 2006-08-30 | 2008-03-13 | Railway Technical Res Inst | Vibration testing method and vibration tester |
KR100794243B1 (en) | 2006-12-18 | 2008-01-11 | 한국건설기술연구원 | Devices and method for experiment of vehicle passing simulation |
CN102243157A (en) * | 2011-03-29 | 2011-11-16 | 山东交通学院 | Fatigue test loading device of transportation on bridge |
CN102680311A (en) * | 2012-05-10 | 2012-09-19 | 东南大学 | Steel box girder and bridge road system cooperation model and test system |
CN104913978A (en) * | 2015-05-28 | 2015-09-16 | 同济大学 | Escalator drive chain breaking tensile test, fatigue test and chain length precision measurement test table |
CN106404361A (en) * | 2016-06-28 | 2017-02-15 | 浙江工业大学 | Adjusting apparatus for structural test loading reaction frame |
CN107884264B (en) * | 2017-11-10 | 2021-02-09 | 江苏中路工程技术研究院有限公司 | Crank type road surface acceleration loading test device |
CN107884264A (en) * | 2017-11-10 | 2018-04-06 | 江苏中路工程技术研究院有限公司 | A kind of crank-type road-surface accelerating and loading test device |
CN109932259A (en) * | 2019-02-22 | 2019-06-25 | 河海大学 | A kind of multi-faceted reciprocal loading device of steel box-girder wheel load and its application method |
CN110887778A (en) * | 2019-11-26 | 2020-03-17 | 长安大学 | Bridge deck expansion joint filling material fatigue life testing device and testing method |
CN111257143A (en) * | 2020-01-22 | 2020-06-09 | 黑龙江建筑职业技术学院 | Cold region bridge fatigue degree testing device and operation method thereof |
CN111257143B (en) * | 2020-01-22 | 2022-07-05 | 黑龙江建筑职业技术学院 | Cold region bridge fatigue degree testing device and operation method thereof |
CN113373991A (en) * | 2021-06-23 | 2021-09-10 | 唐春梅 | Road bridge changeover portion road bed settlement test platform |
CN114813004A (en) * | 2022-06-29 | 2022-07-29 | 中国飞机强度研究所 | Loading attitude control method in airplane vertical fin vibration fatigue test |
CN114813004B (en) * | 2022-06-29 | 2022-09-13 | 中国飞机强度研究所 | Loading attitude control method in airplane vertical fin vibration fatigue test |
CN117571518A (en) * | 2024-01-15 | 2024-02-20 | 吉林省金舆科技有限公司 | Abnormal steel plate strength test equipment for bridge anti-collision wall expansion joint |
CN117571518B (en) * | 2024-01-15 | 2024-05-07 | 吉林省金舆科技有限公司 | Abnormal steel plate strength test equipment for bridge anti-collision wall expansion joint |
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