CN102692349A - High-temperature local stability testing device for steel member - Google Patents
High-temperature local stability testing device for steel member Download PDFInfo
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- CN102692349A CN102692349A CN2012102005104A CN201210200510A CN102692349A CN 102692349 A CN102692349 A CN 102692349A CN 2012102005104 A CN2012102005104 A CN 2012102005104A CN 201210200510 A CN201210200510 A CN 201210200510A CN 102692349 A CN102692349 A CN 102692349A
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Abstract
The invention relates to a high-temperature local stability testing device for a steel member. The high-temperature local stability testing device comprises a reaction beam which is fixed on the ground through a fastening piece, a loading beam, an electric furnace and two pull pressure jacks, wherein the pull pressure jacks are respectively fixedly arranged at the left end and the right end of the upper surface of the reaction beam, the electric furnace is mounted on the upper surface of the reaction beam, bolt rods are fixed on ejector rods of the pull pressure jacks, the two bolt rods respectively penetrate through the left end and the right end of the loading beam, the lower surface of the loading beam is placed on the top end surface of a test piece loaded in the electric furnace, two pressure sensors respectively penetrate through the bolt rods and are arranged on the upper surface of the loading beam, a gasket is respectively arranged on each pressure sensor, and a bolt fixed on the bolt rod is arranged on each gasket. The invention provides the testing device with good performances for testing the local stability performance of the steel member at a high temperature, and the testing device can meet the conditions required in the test, meet the test requirements of load measurement, loading and the like, truly simulate a high-temperature environment of fire and successfully complete the local stability performance test of the test piece at a high temperature.
Description
Technical field
The present invention relates to a kind of anti-fire test device.
Background technology
The generation of fire brings great harm for human safety of life and property, is the human disaster that faces jointly, and the life of capturing many people's preciousnesses that it can be merciless can turn to dust and ashes by the wealth with mankind's accumulation in moment.Fire mainly is divided into building fire; Forest fire, industrial and mineral fire, polytypes such as traffic fire; Wherein building fire is the most direct to the mankind's harm; The most serious, because the place that buildings is the mankind depends on for existence and development, and guarantee that personnel and property safety in the buildings build and one of most significant problems that structural design person should consider.Girder steel and steel column are the main supporting members of buildings, are easy to destroy at fire.It destroys principal mode is strength failure, and monolithic stability destroys and local stability disruption.In order better to take flameproof protection that the steel member is protected, thereby ensure people's safety of life and property, need should understand the local stability ability of steel member under high temperature of fire the various failure modes further investigations of steel member.At present, the test of domestic fire performance to building element only limits to study the monolithic stability bearing capacity of basic primary structure member and confining part, does not also see to the mensuration of steel component partial stability under the high temperature.
Summary of the invention
The object of the invention just provides the local stability test device of a kind of steel component high-temperature, and it can make an experiment to steel member local stability at high temperature.
The objective of the invention is to realize through such technical scheme; It includes electric furnace and two tension and compression lifting jack that the reaction beam, loading beam, the sidewall that are fixed on ground through securing member have viewport; Upper surface right ends at reaction beam respectively is fixed with a tension and compression lifting jack; Electric furnace is installed in the reaction beam upper surface, on the push rod of tension and compression lifting jack, is fixed with body of bolt, and two body of bolt pass the right ends of loading beam respectively; The lower surface of loading beam is placed on the top end face that is carried in the test specimen in the electric furnace; Two pressure transducers pass body of bolt respectively and are positioned at the loading beam upper surface, on pressure transducer, are provided with a pad, and each pad is provided with a bolt that is fixed on the body of bolt.
Further, the upper surface of said reaction beam is provided with installation base, and electric furnace is fixed on the installation base.
Further, said loading beam lower surface is provided with fixing lug boss, and the fixing lug boss lower surface is placed on the test specimen top end face.
Further, be provided with thermal insulation board between test specimen and the reaction beam and between test specimen and the loading beam.
Further, said thermal insulation board is an aluminosilicate fiberboard.
Further, said securing member includes screw rod and bolt, and screw rod passes reaction beam, and bolt is fixed on the reaction beam upper surface through screw rod.
Owing to adopted technique scheme, the present invention to have following advantage:
The present invention can test for steel member local stability at high temperature well behaved test unit is provided; Satisfied and tested required intensification, constant temperature; Boundary constraint, testing requirementss such as load measurement and loading, real simulated the hot environment of fire; Make test specimen at high temperature local stability can test and can successfully accomplish, thereby lay a good foundation for local stability under the high temperature of research building iron member can and instruct the anti-fire design of steel member.
Other advantages of the present invention, target and characteristic will be set forth in instructions subsequently to a certain extent; And to a certain extent; Based on being conspicuous to those skilled in the art, perhaps can from practice of the present invention, obtain instruction to investigating of hereinafter.Target of the present invention and other advantages can realize and obtain through following instructions and claims.
Description of drawings
Description of drawings of the present invention is following.
Fig. 1 is a structural representation of the present invention.
Among the figure: 1. reaction beam; 2. loading beam; 3. electric furnace; 4. tension and compression lifting jack; 5. body of bolt; 6. pressure transducer; 7. pad; 8. bolt; 9. thermal insulation board; 10. test specimen; 11. installation base; 12. fixing lug boss; 13. viewport; 14. securing member.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is described further.
The local stability test device of steel component high-temperature; Include electric furnace 3 and two tension and compression lifting jack 4 that the reaction beam 1, loading beam 2, the sidewall that are fixed on ground through securing member 14 have viewport 13; Upper surface right ends at reaction beam 1 respectively is fixed with a tension and compression lifting jack 4; Electric furnace 3 is installed in reaction beam 1 upper surface, on the push rod of tension and compression lifting jack 4, is fixed with the right ends that 5, two body of bolt 5 of body of bolt pass loading beam 2 respectively; The lower surface of loading beam 2 is placed on the top end face that is carried in the test specimen 10 in the electric furnace 3; Two pressure transducers 6 pass body of bolt 5 respectively and are positioned at loading beam 2 upper surfaces, on pressure transducer 6, are provided with a pad 7, and each pad 7 is provided with a bolt 8 that is fixed on the body of bolt 5.
During work reaction beam 1 is fixed on the ground that has groove, tension and compression lifting jack 4 in place is arranged thermal insulation board 9; Test specimen 10 is installed on reaction beam 1, thermal insulation board 9 is in test specimen 10 tops, and lifting loading beam 2 also adopts bolt to connect loading beam 2 in test specimen 10 tops; Placement force sensor 6; Shelve pad 7, fastening bolt 8 is placed electric furnace 3 around test specimen 10.Earlier preset target temperature value during work; Start the power switch of electric furnace 3, treat to keep constant temperature 30 minutes after temperature reaches predetermined value, read the test specimen Temperature Distribution through the thermopair that is arranged on the test specimen 10; After treating uniformity of temperature profile; Start tension and compression lifting jack 4, behind the load application, the staff can see the deformed state of test specimen 10 under the high temperature through viewport 13.
Observe the measurement result of displacement meter, treat to stop to load after test specimen reaches flexing, close electric furnace 3 power supplys.Obtain furnace temperature and pressure transducer and displacement measurement data through computer acquisition.
The present invention can test for steel member local stability at high temperature well behaved test unit is provided; Satisfied and tested required intensification, constant temperature; Boundary constraint, testing requirementss such as load measurement and loading, real simulated the hot environment of fire; Make test specimen at high temperature local stability can test and can successfully accomplish, thereby lay a good foundation for local stability under the high temperature of research building iron member can and instruct the anti-fire design of steel member.
The upper surface of said reaction beam 1 is provided with installation base 11, and electric furnace 3 is fixed on the installation base 11.
Said loading beam 2 lower surfaces are provided with fixing lug boss 12, and fixing lug boss 12 lower surfaces are placed on test specimen 10 top end faces.
In order to prolong serviceable life of the present invention, prevent that reaction beam 1 and loading beam 2 from being damaged by high temperature, is being provided with thermal insulation board 9 between test specimen 10 and the reaction beam 1 and between test specimen 10 and the loading beam 2.
Said thermal insulation board 9 is an aluminosilicate fiberboard.
Said securing member 14 includes screw rod and bolt, and screw rod passes reaction beam 1, and bolt is fixed on reaction beam 1 upper surface through screw rod.
Explanation is at last; Above embodiment is only unrestricted in order to technical scheme of the present invention to be described; Although with reference to preferred embodiment the present invention is specified, those of ordinary skill in the art should be appreciated that and can make amendment or be equal to replacement technical scheme of the present invention; And not breaking away from the aim and the scope of present technique scheme, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (6)
1. the local stability test device of steel component high-temperature; It is characterized in that: include electric furnace and two tension and compression lifting jack that the reaction beam, loading beam, the sidewall that are fixed on ground through securing member have viewport; Upper surface right ends at reaction beam respectively is fixed with a tension and compression lifting jack; Electric furnace is installed in the reaction beam upper surface, on the push rod of tension and compression lifting jack, is fixed with body of bolt, and two body of bolt pass the right ends of loading beam respectively; The lower surface of loading beam is placed on the top end face that is carried in the test specimen in the electric furnace; Two pressure transducers pass body of bolt respectively and are positioned at the loading beam upper surface, on pressure transducer, are provided with a pad, and each pad is provided with a bolt that is fixed on the body of bolt.
2. the local stability test device of steel component high-temperature as claimed in claim 1, it is characterized in that: the upper surface of said reaction beam is provided with installation base, and electric furnace is fixed on the installation base.
3. the local stability test device of steel component high-temperature as claimed in claim 2, it is characterized in that: said loading beam lower surface is provided with fixing lug boss, and the fixing lug boss lower surface is placed on the test specimen top end face.
4. the local stability test device of steel component high-temperature as claimed in claim 1 is characterized in that: be provided with thermal insulation board between test specimen and the reaction beam and between test specimen and the loading beam.
5. the local stability test device of steel component high-temperature as claimed in claim 4, it is characterized in that: said thermal insulation board is an aluminosilicate fiberboard.
6. the local stability test device of steel component high-temperature as claimed in claim 1, it is characterized in that: said securing member includes screw rod and bolt, and screw rod passes reaction beam, and bolt is fixed on the reaction beam upper surface through screw rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102005104A CN102692349A (en) | 2012-06-18 | 2012-06-18 | High-temperature local stability testing device for steel member |
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| CN2012102005104A CN102692349A (en) | 2012-06-18 | 2012-06-18 | High-temperature local stability testing device for steel member |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104483204A (en) * | 2014-10-29 | 2015-04-01 | 同济大学 | Device for concrete compressive creep test in high-temperature environment |
| CN105334113A (en) * | 2015-12-03 | 2016-02-17 | 武汉科技大学 | Hydraulic loading device for stress frozen method |
| CN106840894A (en) * | 2015-12-03 | 2017-06-13 | 同济大学 | One kind consolidation loading device |
| CN108195705A (en) * | 2017-12-07 | 2018-06-22 | 中国矿业大学 | A kind of rheonomic constraint beams of concrete elevated temperature test device |
| FR3066822A1 (en) * | 2017-05-26 | 2018-11-30 | Centre D'etudes Et De Recherches De L'industrie Du Beton | EQUIPMENT FOR MEASURING EFFORTS INDUCED BY A TEST BODY DURING FIRE RESISTANCE TESTING |
| CN109557132A (en) * | 2019-01-15 | 2019-04-02 | 中国矿业大学 | A kind of anti-fire test device of steel structure node |
| CN111537254A (en) * | 2020-05-06 | 2020-08-14 | 上海市建筑科学研究院有限公司 | True fire test device and method for pressed component |
| CN113267359A (en) * | 2021-05-12 | 2021-08-17 | 中国矿业大学 | High-temperature coupling environment graded water-cooling loading test beam system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101413937A (en) * | 2008-11-27 | 2009-04-22 | 哈尔滨工业大学 | Anti-fire test device of restrained beam |
| CN101413938A (en) * | 2008-11-28 | 2009-04-22 | 哈尔滨工业大学 | Anti-fire test device of restrained column |
| JP2009236757A (en) * | 2008-03-27 | 2009-10-15 | Nippon Steel Corp | High temperature tensile testing method of bar steel material, fire-proof performance predicting method of non-fire-proof coated steel material, and steel material superior in high temperature strength |
| CN202599765U (en) * | 2012-06-18 | 2012-12-12 | 重庆大学 | Testing device for steel member high-temperature local stability |
-
2012
- 2012-06-18 CN CN2012102005104A patent/CN102692349A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009236757A (en) * | 2008-03-27 | 2009-10-15 | Nippon Steel Corp | High temperature tensile testing method of bar steel material, fire-proof performance predicting method of non-fire-proof coated steel material, and steel material superior in high temperature strength |
| CN101413937A (en) * | 2008-11-27 | 2009-04-22 | 哈尔滨工业大学 | Anti-fire test device of restrained beam |
| CN101413938A (en) * | 2008-11-28 | 2009-04-22 | 哈尔滨工业大学 | Anti-fire test device of restrained column |
| CN202599765U (en) * | 2012-06-18 | 2012-12-12 | 重庆大学 | Testing device for steel member high-temperature local stability |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104483204A (en) * | 2014-10-29 | 2015-04-01 | 同济大学 | Device for concrete compressive creep test in high-temperature environment |
| CN105334113A (en) * | 2015-12-03 | 2016-02-17 | 武汉科技大学 | Hydraulic loading device for stress frozen method |
| CN106840894A (en) * | 2015-12-03 | 2017-06-13 | 同济大学 | One kind consolidation loading device |
| FR3066822A1 (en) * | 2017-05-26 | 2018-11-30 | Centre D'etudes Et De Recherches De L'industrie Du Beton | EQUIPMENT FOR MEASURING EFFORTS INDUCED BY A TEST BODY DURING FIRE RESISTANCE TESTING |
| CN108195705A (en) * | 2017-12-07 | 2018-06-22 | 中国矿业大学 | A kind of rheonomic constraint beams of concrete elevated temperature test device |
| CN109557132A (en) * | 2019-01-15 | 2019-04-02 | 中国矿业大学 | A kind of anti-fire test device of steel structure node |
| CN109557132B (en) * | 2019-01-15 | 2021-02-26 | 中国矿业大学 | Fire resistance test device of steel structure node |
| CN111537254A (en) * | 2020-05-06 | 2020-08-14 | 上海市建筑科学研究院有限公司 | True fire test device and method for pressed component |
| CN113267359A (en) * | 2021-05-12 | 2021-08-17 | 中国矿业大学 | High-temperature coupling environment graded water-cooling loading test beam system |
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Application publication date: 20120926 |