CN102426133A - Device and method for loading axial forces and side forces onto structural member - Google Patents
Device and method for loading axial forces and side forces onto structural member Download PDFInfo
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- CN102426133A CN102426133A CN2011102645958A CN201110264595A CN102426133A CN 102426133 A CN102426133 A CN 102426133A CN 2011102645958 A CN2011102645958 A CN 2011102645958A CN 201110264595 A CN201110264595 A CN 201110264595A CN 102426133 A CN102426133 A CN 102426133A
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Abstract
The invention provides a device and a method for loading axial forces and side forces onto a structural member. The apparatus comprises a loading rack which is connected with a counter-force beam or a counter-force base of a fixed member through a connecting rod whose two ends are provided with hinges; a part I which is parallel to the side forces is in fixed connection with a part II which is parallel to the axial forces, and thereby forming the loading rack; the part I is provided with a jack I or a pull bar that loads an axial force onto the structural member, the part II is provided with a force transducer which transfers a side force to the structural member and directly measures the side force that the structural member bears, and a jack II is provided between the part II and the counter-force beam or the counter-force base and is used for loading side forces. The invention also includes the method for loading axial forces and side forces to the structural member. According to the invention, actual side forces and axial forces applied on the structural member can be measured directly, thereby improving credibility of results of measurement.
Description
Technical field
The present invention relates to a kind of charger and method that is used for structural elements, especially relate to a kind of charger and method that is used for structural elements simulation side force and axial force test.
Background technology
No matter civil construction project is the design research and development or the design and construction of labyrinth of new architecture, and the checking of operation performance, all need carry out the experimental study of structure and member.Particularly, very important like the experimental Study on Mechanical Properties of key members such as structural column, bearing wall under geological process as bearing the member of vertical force and side force.
At present, when carrying out the side force loading of structure and member, often need apply axial force simultaneously and come simulated gravity.Because the axial force that is applied is often very big; And directly adopt the weight weight application unreliable and dangerous; Therefore, applying mainly through following three kinds of methods of axial force: (1) is come to apply axial force to structural elements through high-strength bolt or the pull bar that jack tension is fixed in the structural elements two ends; (2) loading frame is set; Lifting jack placed between structural elements end and the loading frame apply axial force; One end and the structural elements end of lifting jack are hinged; The other end and loading frame are hinged, and when moved the structural elements end under side force (horizontal force) effect, lifting jack was swung thereupon; (3) similar preceding method (2), but sliding bearing mechanism is being set between structural elements end and the lifting jack or between jack end and the loading frame, when moved the structural elements end under side force (horizontal force) effect, lifting jack kept direction constant.
There is following deficiency in use in said method: first method and second method are when loading; Lifting jack that axially loads or pull bar load with side direction and change direction; Thereby the generation side direction loads component; This component changes with the variation of horizontal load deflection, when measuring the side force that member bore, must revise; In the third method, the actual side force that member bore also must be deducted friction force and could obtain from the side force that applies, and produces bending because the existence of friction force makes the charger lifting jack receive lateral forces, might damage lifting jack.In a word, in these loading methods, the actual side force that imposes on member all can not directly record; Must obtain indirectly through the side force that correction applies; Increased the difficulty of analysis of experiments, reduced the confidence level of test result, along with the size increase problem of test component is about seriously.In addition, when in order to simulate such as two-way seismic force and side force must two-way loading the time, it is more complicated that problem becomes, even not definite.Equally, when axial force is simulated earthquake effect when change is arranged, it is more complicated that problem becomes, and seriously reduced the confidence level of experiment.
Summary of the invention
Technical matters to be solved by this invention is, provides a kind of and side force loaded loading separates with axial force, can directly record the actual side force and the axial force that impose on structural elements, can improve the charger and the method for test result confidence level.
The present invention's axial force that is used for structural elements and side force charger; Comprise loading frame; Said loading frame is provided with hinge through two ends connecting rod is connected with reaction beam or the counter-force basis that fixed component is used; Said loading frame is formed by fixedly connecting with the parts II parallel with axial force the parts I parallel with side force; Be equipped with the lifting jack I or the pull bar that structural elements are loaded axial force on the said parts I, said parts II is provided with the force transducer of the side force of being born to the also direct measurement structure member of structural elements transmission side force, is provided with the lifting jack II that side force loads usefulness between said parts II and the reaction beam.
Further, said lifting jack can preferred electronic control fluid pressure type lifting jack.
Further, the parts II of the said loading frame parallel with axial force is two, and angledly mutually (when establishing one, can only simulate the loading of a side force; If two and angled mutually, can simulate the different directions side force and load or reverse).
The present invention's axial force that is used for structural elements and side force loading method: earlier structural elements is fixed on reaction beam or counter-force basis; Lifting jack I or pull bar with the axial force loading system is installed between afterburning end of structural elements and the loading frame again; Apply axial force through lifting jack I or pull bar tension structure member and loading frame, said axial force directly records through the force cell that is located on lifting jack I or the pull bar; Side force is applied on the loading frame through the lifting jack II earlier, applies to structural elements through the force transducer that is arranged between loading frame and the structural elements again, and the true side force that said structural elements bore directly records through force transducer.
The stiff end of test component can be fixed on the loading frame parts parallel with side force, and like this, charger can be used as weighted platform and uses, and the side force load becomes a kind of shaking table when being power.
The present invention is when loading; Loading separates with axial force with the side force loading; Axial force loads because passed through one and can apply with the loading frame that the side direction loading is moved; Its direction remains unchanged in the side force loading procedure, thus more real simulated axle power or vertical action of gravity, and can directly record actual side force and the axial force that imposes on structural elements.In addition, the said loading component II parallel with axial force can be set to two, and becomes the side force loading of simulation different directions or the angle of reversing mutually; Be used for two-way loading; Further be engineering detecting, research and development of products, design verification etc. provide more reliable charger and method.
Description of drawings
Fig. 1 is the present invention's axial force that is used for structural elements and the structural representation of side force charger embodiment.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is described further.
With reference to Fig. 1; The present invention's axial force that is used for structural elements and side force charger embodiment comprise loading frame 1; Said loading frame 1 is provided with hinge through two ends connecting rod 4 is connected with the reaction beam 3 of fixed structural member 2 usefulness; Said loading frame 1 is formed by fixedly connecting with the parts II 1-2 parallel with axial force the parts I 1-1 parallel with side force; Be equipped with the lifting jack I 5 that structural elements 2 is loaded axial force on the said parts I 1-1, said parts II 1-2 is provided with the force transducer 8 of the side force of being born to the also direct measurement structure member 2 of structural elements 2 transmission side forces, is provided with the lifting jack II 7 that side force loads usefulness between said parts II 1-2 and the reaction beam 3.
Said lifting jack I 5, lifting jack II 7 are electronic control fluid pressure type lifting jack.Said lifting jack I 5 also can be pull bar.
The parts II of the said loading frame parallel with axial force also can be two, and angled mutually.
Said reaction beam 3 also can be the counter-force basis.
With reference to Fig. 1; The present invention's axial force that is used for structural elements and side force loading method embodiment: test component 2 is fixed on reaction beam 3; Between the parts I 1-1 of the loading frame 1 that again lifting jack 5 of axial force loading system is installed in the afterburning end floor beam 6 of test component 2 and can be displaced sideways with test component 2; Parts I 1-1 through lifting jack 5 pulling test members 2 and loading frame 1 applies axial force, and said axial force directly records through the force cell that is located at through lifting jack 5; Side force is applied on the parts II 1-2 of loading frame 1 through lifting jack 7 earlier, comes to apply to test component 2 through parts II 1-2 and the force transducer 8 between the test component 2 that is arranged on loading frame 1 again, and said side force directly records through force transducer 8.
Claims (4)
1. an axial force and side force charger that is used for structural elements; It is characterized in that: comprise loading frame; Said loading frame is provided with hinge through two ends connecting rod is connected with the reaction beam or the counter-force basis of fixed component; Said loading frame is formed by fixedly connecting with the parts II parallel with axial force the parts I parallel with side force; Be equipped with the lifting jack I or the pull bar that structural elements are loaded axial force on the said parts I, said parts II is provided with the force transducer that transmits side force and directly record structural elements the side force of being born to structural elements, is provided with the lifting jack II that side force loads usefulness between said parts II and reaction beam or the counter-force basis.
2. axial force and the side force charger that is used for structural elements according to claim 1 is characterized in that: the said loading frame parts I parallel with side force be shaped as U-shaped or square shape shape.
3. according to right 1 or 2 described axial force and the side force chargers that are used for structural elements, it is characterized in that: the parts II of the said loading frame parallel with axial force is two, and angled mutually.
4. method of using the said axial force of claim 1 and side force charger structural elements to be loaded axial force and side force; It is characterized in that: earlier structural elements is fixed on reaction beam or the counter-force basis; Lifting jack I or pull bar with the axial force loading system is installed between afterburning end of structural elements and the loading frame again; Apply axial force through lifting jack I or pull bar tension structure member and loading frame, said axial force directly records through the force cell that is located on lifting jack
or the pull bar; Side force is applied on the loading frame through the lifting jack II earlier, applies to structural elements through the force transducer that is arranged between loading frame and the structural elements again, and the true side force that said structural elements bore directly records through force transducer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN 201110264595 CN102426133B (en) | 2011-09-08 | 2011-09-08 | Device and method for loading axial forces and side forces onto structural member |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110264595 CN102426133B (en) | 2011-09-08 | 2011-09-08 | Device and method for loading axial forces and side forces onto structural member |
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| CN102426133A true CN102426133A (en) | 2012-04-25 |
| CN102426133B CN102426133B (en) | 2013-08-21 |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103105308A (en) * | 2013-01-22 | 2013-05-15 | 南京工业大学 | Method of fault-striding buried pipeline in-situ test |
| CN103913285A (en) * | 2012-12-31 | 2014-07-09 | 北京建筑工程学院 | Device for testing mechanical properties |
| CN104132849A (en) * | 2014-07-29 | 2014-11-05 | 苏州中固建筑科技有限公司 | Multifunctional self-balance loading frame for high-strength component mechanical performance test |
| CN104532872A (en) * | 2014-12-16 | 2015-04-22 | 甘肃省地震局 | Simulative vibration table pile raft type pre-buried component vibration reduction and isolation counter-force foundation and construction method |
| CN105865733A (en) * | 2016-04-28 | 2016-08-17 | 福州大学 | Test method for verifying friction force of sliding support base and test device |
| CN106644327A (en) * | 2017-02-28 | 2017-05-10 | 南京工业大学 | Device and method for test of structural member three-dimensional independent loading |
| CN108254176A (en) * | 2018-02-07 | 2018-07-06 | 新誉集团有限公司 | Structural member strength testing device and double K node structural member strength test methods |
| CN109269896A (en) * | 2018-10-30 | 2019-01-25 | 山东省水利科学研究院 | A kind of multi-angle load bringing device and method |
| CN109781549A (en) * | 2019-01-31 | 2019-05-21 | 中铁六局集团有限公司 | U-shaped beam Static Load Test Method |
| CN110186746A (en) * | 2019-04-22 | 2019-08-30 | 浙江大学 | A kind of holding laterally and axially vertical structural test loading device and test method |
| CN111579227A (en) * | 2020-05-13 | 2020-08-25 | 中国水产科学研究院南海水产研究所 | Test equipment for testing mechanical property of deep water net cage floating frame structure |
| CN114279667A (en) * | 2022-03-07 | 2022-04-05 | 成都理工大学 | Pseudo-static anti-seismic test device and method for wallboard joint |
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103913285A (en) * | 2012-12-31 | 2014-07-09 | 北京建筑工程学院 | Device for testing mechanical properties |
| CN103105308B (en) * | 2013-01-22 | 2015-10-14 | 南京工业大学 | Cross-fault leveling buried pipeline in-situ test method |
| CN103105308A (en) * | 2013-01-22 | 2013-05-15 | 南京工业大学 | Method of fault-striding buried pipeline in-situ test |
| CN104132849A (en) * | 2014-07-29 | 2014-11-05 | 苏州中固建筑科技有限公司 | Multifunctional self-balance loading frame for high-strength component mechanical performance test |
| CN104532872A (en) * | 2014-12-16 | 2015-04-22 | 甘肃省地震局 | Simulative vibration table pile raft type pre-buried component vibration reduction and isolation counter-force foundation and construction method |
| CN105865733B (en) * | 2016-04-28 | 2019-02-22 | 福州大学 | A kind of test method and experimental rig for verifying sliding support frictional force |
| CN105865733A (en) * | 2016-04-28 | 2016-08-17 | 福州大学 | Test method for verifying friction force of sliding support base and test device |
| CN106644327A (en) * | 2017-02-28 | 2017-05-10 | 南京工业大学 | Device and method for test of structural member three-dimensional independent loading |
| CN108254176A (en) * | 2018-02-07 | 2018-07-06 | 新誉集团有限公司 | Structural member strength testing device and double K node structural member strength test methods |
| CN109269896A (en) * | 2018-10-30 | 2019-01-25 | 山东省水利科学研究院 | A kind of multi-angle load bringing device and method |
| CN109269896B (en) * | 2018-10-30 | 2021-11-30 | 山东省水利科学研究院 | Multi-angle load applying device and method |
| CN109781549A (en) * | 2019-01-31 | 2019-05-21 | 中铁六局集团有限公司 | U-shaped beam Static Load Test Method |
| CN110186746A (en) * | 2019-04-22 | 2019-08-30 | 浙江大学 | A kind of holding laterally and axially vertical structural test loading device and test method |
| CN110186746B (en) * | 2019-04-22 | 2024-03-26 | 浙江大学 | Structure test loading device and test method for keeping lateral direction and axial direction vertical |
| CN111579227A (en) * | 2020-05-13 | 2020-08-25 | 中国水产科学研究院南海水产研究所 | Test equipment for testing mechanical property of deep water net cage floating frame structure |
| CN114279667A (en) * | 2022-03-07 | 2022-04-05 | 成都理工大学 | Pseudo-static anti-seismic test device and method for wallboard joint |
| US11714025B1 (en) | 2022-03-07 | 2023-08-01 | Chengdu University Of Technology | Pseudo-static test device and method for seismic behavior of connection joints of wallboard |
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| CN102426133B (en) | 2013-08-21 |
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Effective date of registration: 20200902 Address after: Room 504, Longdu Building, 376 Tianmushan Road, Xihu District, Hangzhou City, Zhejiang 310000 Patentee after: HANGZHOU POPWIL ELECTROMECHANICAL CONTROL ENGINEERING Co.,Ltd. Address before: 410082 No. 2, South Mountain Road, Yuelu District, Hunan, Changsha, Yuelu Patentee before: HUNAN University |