CN109187241B - Cold-formed thin-wall angle steel column low-cycle repeated test end connecting device and test device - Google Patents
Cold-formed thin-wall angle steel column low-cycle repeated test end connecting device and test device Download PDFInfo
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- CN109187241B CN109187241B CN201811307043.9A CN201811307043A CN109187241B CN 109187241 B CN109187241 B CN 109187241B CN 201811307043 A CN201811307043 A CN 201811307043A CN 109187241 B CN109187241 B CN 109187241B
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 58
- 239000010959 steel Substances 0.000 title claims abstract description 58
- 238000012360 testing method Methods 0.000 title claims abstract description 38
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000009957 hemming Methods 0.000 description 10
- 230000003749 cleanliness Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
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- 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
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
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- 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
- G01N3/02—Details
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- 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
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- 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
- G01N2203/0058—Kind of property studied
- G01N2203/0069—Fatigue, creep, strain-stress relations or elastic constants
- G01N2203/0075—Strain-stress relations or elastic constants
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
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- General Health & Medical Sciences (AREA)
- Immunology (AREA)
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- Joining Of Building Structures In Genera (AREA)
- Connection Of Plates (AREA)
Abstract
The invention discloses a cold-formed thin-wall angle steel column low-circumference repeated test end connection device and a test device, wherein the cold-formed thin-wall angle steel column low-circumference repeated test end connection device comprises an auxiliary plate, the auxiliary plate consists of a longitudinally arranged bottom plate and a transversely arranged side plate, two groups of U-shaped through grooves are formed in the bottom plate of the auxiliary plate, a main plate is arranged on the right side of the bottom plate of the auxiliary plate, the main plate comprises a bottom plate, an upper side plate, a lower side plate and a left side plate, two groups of U-shaped through grooves are formed in the bottom plate of the main plate, fastening double bolts are respectively arranged on the bottom surface of the side plate of the auxiliary plate and the top surface of the upper side plate of the main plate, and nuts are sleeved at the left ends of the fastening double bolts. The device is sleeved on the angle steel column, fastened by the nuts and connected with the end head of the actuator of the test device by the bolts, can be repeatedly used, has a simple structure, is convenient to manufacture and use, and reduces the test cost.
Description
Technical Field
The invention belongs to the technical field of test tools, and particularly relates to a connecting device and a test device for a cold-formed thin-wall angle steel column low-cycle repeated test end.
Background
Angle steel is used as an important stress member in the structure and is widely used for various building structures and engineering structures, such as houses, bridges, power transmission towers, hoisting and transporting machines, ships, industrial furnaces, reaction towers, container frames, cable structure frames, warehouse shelves and the like. Therefore, a low-cycle repeated load test is needed to simulate the stress characteristic and the deformation characteristic of the angle steel member in reciprocating vibration during earthquake, and the effect of the angle steel member in vibration is mastered.
When the low-cycle trial experiment is carried out, the connecting plates at the connecting ends of the actuators of the test equipment are welded with the angle steel members generally, but in the experimental research process, more test quantity is required in consideration of parameters such as the thickness, the length, the hemming length and the like of the angle steel, and if a welded structure is adopted, the connecting plates of a plurality of connecting ends are manufactured, so that series of problems such as complicated manufacturing, increase of test expenses and the like are caused.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the cold-formed thin-wall angle steel column low-cycle repeated test end connecting device and the test device, which can well solve the series problems of complicated manufacturing of the connecting end, increased test expense and the like.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows: the auxiliary plate consists of a longitudinally arranged bottom plate and a transversely arranged side plate, the right side surface of the auxiliary plate bottom plate is connected with the left side surface of the auxiliary plate side plate into a whole, two groups of U-shaped through grooves are formed in the auxiliary plate bottom plate, at least two U-shaped through grooves are formed in each group, the first group of U-shaped through grooves are formed in the top surface of the auxiliary plate bottom plate and are arranged downwards longitudinally, the second group of U-shaped through grooves are formed in the bottom surface of the auxiliary plate bottom plate upwards longitudinally, the widths and the intervals of the first group of U-shaped through grooves and the second group of U-shaped through grooves are the same, and the bottom surface of the auxiliary plate side plate is tangent to the arc vertexes of the second group of U-shaped through grooves;
the right side of the auxiliary plate bottom plate is provided with a main plate, the main plate comprises a bottom plate which is arranged in parallel with the auxiliary plate bottom plate, an upper side plate and a lower side plate which are transversely arranged in parallel are arranged on the left side of the main plate bottom plate, a left side surface of the upper side plate and a left side surface of the lower side plate are connected with a right side surface of the left side plate, a right side surface of the upper side plate and a right side surface of the lower side plate are connected with a left side surface of the main plate bottom plate, a space is reserved between the left side surface of the left side plate and the right side surface of the auxiliary plate bottom plate, U-shaped through grooves which are identical to the auxiliary plate bottom plate in structure are formed in the main plate bottom plate, bolt holes are formed in four corners of the main plate bottom plate, and the top surface of the upper side plate bottom plate is tangent to arc vertexes of the U-shaped through grooves;
the bottom surface of the auxiliary plate side plate and the top surface of the main plate upper side plate are respectively provided with a fastening double bolt, each fastening double bolt comprises two bolts which are horizontally arranged in parallel and have the same interval as the first group of U-shaped through grooves, and a connecting plate is arranged in the middle between the two bolts; the bottom surface of the auxiliary plate side plate is attached to the top surface of the fastening double-bolt connecting plate arranged on the auxiliary plate side plate, and the top surface of the main plate upper side plate is attached to the bottom surface of the fastening double-bolt connecting plate arranged on the main plate upper side plate; the left end of the fastening double bolt is placed in the U-shaped through groove of the subplate bottom plate, the right end of the fastening double bolt is placed in the U-shaped through groove of the main plate bottom plate, and the left end of the fastening double bolt is sleeved with a nut.
The front end of the left side plate of the main board is provided with a bolt through hole, and the rear end of the lower side plate of the main board is provided with a bolt through hole.
The angle steel column strip is provided with an L-shaped inner panel in the curl according to the curl size, the L-shaped inner panel comprises a left side plate and a bottom plate which are longitudinally arranged, the left side surface of the left side plate of the L-shaped inner panel is attached to the left inner column surface of the angle steel column, the bottom surface of the bottom plate of the L-shaped inner panel is attached to the lower inner column surface of the angle steel column, the upper top surface of the left side plate of the L-shaped inner panel is attached to the left side curl, and the right side surface of the bottom plate of the L-shaped inner panel is attached to the lower side curl.
The thickness of the L-shaped inner panel is the same as the cleanliness of the curled edge.
The front end of the left side plate of the L-shaped inner panel is provided with a threaded hole corresponding to the bolt hole on the left side plate of the main board, and the rear end of the bottom plate of the L-shaped inner panel is provided with a threaded hole corresponding to the bolt hole on the lower side plate of the main board.
The screw holes on the L-shaped inner panel are provided with fastening bolts, and the fastening bolts are sleeved in the screw holes on the left side plate and the lower side plate of the main board and screwed into the screw holes on the L-shaped inner panel.
The utility model provides a test device of cold-formed thin wall angle steel post low week trial run end connecting device, includes the actuator that horizontal level set up, the right-hand member end connection of actuator has the end, the right-hand member face of end and the left surface contact of the counter-force wall of vertical setting, the left end below of actuator is provided with the support of vertical placing, the left end connection of actuator has the joint, joint left end face is provided with the connecting plate, the connecting plate with test end connecting device be connected, test end connecting device cover is established on the top of the angle steel post component of vertical setting, the angle steel post component is fixed on the bottom surface.
Four corners of the connecting plate are provided with bolt through holes.
Compared with the prior art, the invention has the following beneficial effects: according to the angle steel column without curling, selecting an L-shaped inner panel to prevent curling deformation of the angle steel column; when the device is used, the test end connecting device is sleeved on the angle steel column and fastened by the nuts, and is connected with the actuator joint connecting plate of the test equipment by the bolts, so that the device can be used for testing, can be detached after the test and can be reused, and has the advantages of simple structure, convenient manufacture and use and reduced test cost.
Drawings
FIG. 1 is a perspective view of an end connection without a crimped angle steel post of the present invention;
FIG. 2 is a perspective view of the end connector with a primary hemmed angle steel post of the present invention;
FIG. 3 is a perspective view of the end connection device with secondary hemmed angle steel column of the present invention;
FIG. 4 is a schematic structural view of a test device of the tip connector of the present invention.
In the figure: 1. fastening double bolts; 2. a main board; 3. a sub-plate; 4. the steel column is not provided with a curled edge; 5. a nut; 6. primary hemming the angle steel column; 7. an "L" inner panel; 8. a fastening bolt; 9. secondary hemming the angle steel column; 10. an angle steel column member; 11. an actuator; 12. a joint; 13. a bracket; 14. an end head; 15. a reaction wall; 16. a connecting bolt; 17. and (5) connecting a nut.
Detailed Description
Example 1
As shown in fig. 1, the low-circumference trial-and-error end connecting device without the hemming angle steel column 4 comprises an auxiliary plate 3, wherein the auxiliary plate 3 consists of a longitudinally arranged bottom plate and a transversely arranged side plate, the right side surface of the bottom plate of the auxiliary plate 3 is connected with the left side surface of the side plate of the auxiliary plate 3 into a whole, two groups of U-shaped through grooves are formed in the bottom plate of the auxiliary plate 3, at least two U-shaped through grooves are formed in each group, the openings of the first group of U-shaped through grooves are formed in the top surface of the bottom plate of the auxiliary plate 3 and are downwards arranged along the longitudinal direction, the openings of the second group of U-shaped through grooves are formed in the bottom surface of the bottom plate of the auxiliary plate 3 along the longitudinal direction, the widths and the distances of the first group of U-shaped through grooves and the second group of U-shaped through grooves are the same, and the bottom surfaces of the side plates of the auxiliary plate 3 are tangential to the arc vertexes of the second group of U-shaped through grooves;
the right side of the bottom plate of the auxiliary plate 3 is provided with a main plate 2, the main plate 2 comprises a bottom plate which is arranged in parallel with the bottom plate of the auxiliary plate 3, the left side of the bottom plate of the main plate 2 is provided with an upper side plate and a lower side plate which are transversely arranged in parallel, and a left side plate which is longitudinally parallel with the bottom plate of the main plate 2, the left sides of the upper side plate and the lower side plate are connected with the right side of the left side plate in a penetrating way to form a whole, the right sides of the upper side plate and the lower side plate are connected with the left side of the bottom plate of the main plate 2 in a penetrating way to form a whole, the bottom plate of the main plate 2 is provided with U-shaped through grooves which have the same structure as the bottom plate of the auxiliary plate 3, and bolt holes are arranged at four corners of the bottom plate of the main plate 2, and the top surface of the upper side plate is tangential with the arc top points of the U-shaped through grooves of the upper side surface of the bottom plate of the main plate 2;
the bottom surface of the side plate of the auxiliary plate 3 and the top surface of the upper side plate of the main plate 2 are respectively provided with a fastening double bolt 1, the fastening double bolts 1 comprise two bolts which are horizontally arranged in parallel and have the same interval as the U-shaped through groove, a connecting plate is arranged in the middle between the two bolts, and the connecting plate and the two bolts are welded into a whole; the bottom surface of the side plate of the auxiliary plate 3 is attached to the top surface of the connecting plate of the fastening double bolt 1, and the top surface of the upper side plate of the main plate 2 is attached to the bottom surface of the connecting plate of the fastening double bolt 1, so that the main plate 2 and the auxiliary plate 3 can be conveniently assembled and disassembled, and the degree of tightness is increased; the screw thread end of fastening double bolt 1 is placed in the "U" type logical inslot of subplate 3 bottom plate, and the nut end of fastening double bolt 1 is placed in the "U" type logical inslot of mainboard 3 bottom plate, and the screw thread pot head of fastening double bolt is equipped with nut 5, and nut 5 is used for making mainboard 2 and subplate 3 clamp angle steel column.
As shown in fig. 4, the test device of the low-circumference trial-and-error end connection device without the hemming corner steel column 4 comprises an actuator 11 which is horizontally arranged transversely, wherein the right end part of the actuator 11 is hinged with an end 14, the right end surface of the end 14 is contacted with the left side surface of a vertically arranged counter-force wall 15, a vertically arranged bracket 13 is arranged below the left end part of the actuator 11, the left end part of the actuator 11 is hinged with a joint 12, the left end surface of the joint 12 is provided with a connecting plate, the connecting plate is connected with the bottom plate of a main plate 2 of the test end connection device through a connecting bolt 16 and a connecting nut 17, the left side plate and the lower side plate of the main plate 2 are attached to the inner side surface of the corner steel column member 10, the bottom plate and the side plate of the auxiliary plate 3 are attached to the outer side surface of the corner steel column member 10, and the main plate 2 and the auxiliary plate 3 are sleeved on the top end of the vertically arranged corner steel column member 10, and the corner steel column member 10 is fixed on the bottom surface.
When the device is used, the angle steel column is sleeved between the main plate 2 and the auxiliary plate 3, the main plate 2, the auxiliary plate 3 and the angle steel column member 10 are fastened together by fastening double bolts 1 and nuts 5, and then the end connecting device is connected with a connecting plate of an actuator 11 of the test device through bolt holes at four corners of a bottom plate of the main plate 2 under the action of connecting bolts 16 and connecting nuts 17; after the test is finished, unscrewing the nut 5 and the connecting nut 17, and disassembling the end connecting device; the end connecting device can be repeatedly used, has simple structure and is very convenient to manufacture and use.
Example two
As shown in fig. 2-3, a low-cycle trial and error end connection with a primary or secondary hemmed angle steel post differs from the first embodiment in that: according to the hemming dimension of the angle steel column 4, an L-shaped inner panel 7 is arranged in the hemming, the L-shaped inner panel 7 comprises a left side plate which is longitudinally arranged and a bottom plate which is transversely arranged, the left side surface of the left side plate of the L-shaped inner panel 7 is attached to the left inner column surface of the angle steel column 4, the bottom surface of the bottom plate 7 of the L-shaped inner panel is attached to the lower inner column surface of the angle steel column 4, the upper top surface of the left side plate of the L-shaped inner panel 7 is attached to the left hemming, the right side surface of the bottom plate of the L-shaped inner panel 7 is attached to the lower hemming, and the thickness of the L-shaped inner panel 7 is identical to the cleanliness of the hemming.
The front end of the left side plate of the main board 2 is provided with a bolt hole, the rear end of the lower side plate of the main board 2 is also provided with a bolt hole, the front end of the left side plate of the L-shaped inner panel 7 is provided with a threaded hole corresponding to the bolt hole on the left side plate of the main board 2, the rear end of the bottom plate of the L-shaped inner panel 7 is also provided with a threaded hole corresponding to the bolt hole on the lower side plate of the main board 2, the threaded hole on the L-shaped inner panel 7 is provided with a fastening bolt 8, and the fastening bolt 8 is sleeved in the bolt holes of the left side plate and the lower side plate of the main board 2 and screwed into the threaded hole on the L-shaped inner panel 7.
When the invention is used, the angle steel column is sleeved between the main board 2 and the auxiliary board 3, the L-shaped inner panel 7 is embedded into the curled edge of the primary curled edge steel column 6 or the secondary curled edge steel column 9, the fastening bolt 8 is used for fastening, the curled edge is prevented from deforming during test, then the double bolt 1 and the nut 5 are fastened to fasten the main board 2, the auxiliary board 3 and the primary curled edge steel column 6 or the secondary curled edge steel column 9 together, and finally the end connecting device is connected with the left end joint 12 of the actuator 11 of the test device through bolt holes at four corners of the bottom board of the main board 2 under the action of the connecting bolt 16 and the connecting nut 17; after the test is finished, unscrewing the nut 5, the fastening bolt 8, the connecting bolt 16 and the connecting nut 17, and disassembling the end connecting device; the end head device can be reused, and is very convenient.
Claims (8)
1. Cold-formed thin-wall angle steel column low cycle trial and error end connecting device, its characterized in that: the auxiliary plate consists of a longitudinally arranged bottom plate and a transversely arranged side plate, the right side surface of the auxiliary plate bottom plate is connected with the left side surface of the auxiliary plate side plate into a whole, two groups of U-shaped through grooves are formed in the auxiliary plate bottom plate, at least two U-shaped through grooves are formed in each group, the openings of the first group of U-shaped through grooves are formed in the top surface of the auxiliary plate bottom plate and are downwards arranged along the longitudinal direction, the openings of the second group of U-shaped through grooves are formed in the bottom surface of the auxiliary plate bottom plate and upwards along the longitudinal direction, the widths and the intervals of the U-shaped through grooves of the first group of U-shaped through grooves are the same, and the bottom surface of the auxiliary plate side plate is tangent to the arc vertexes of the U-shaped through grooves of the second group of U-shaped through grooves;
the right side of the auxiliary plate bottom plate is provided with a main plate, the main plate comprises a bottom plate which is arranged in parallel with the auxiliary plate bottom plate, an upper side plate and a lower side plate which are transversely arranged in parallel are arranged on the left side of the main plate bottom plate, a left side surface of the upper side plate and a left side surface of the lower side plate are connected with a right side surface of the left side plate, a right side surface of the upper side plate and a right side surface of the lower side plate are connected with a left side surface of the main plate bottom plate, a space is reserved between the left side surface of the left side plate and the right side surface of the auxiliary plate bottom plate, U-shaped through grooves which are identical to the auxiliary plate bottom plate in structure are formed in the main plate bottom plate, bolt holes are formed in four corners of the main plate bottom plate, and the top surface of the upper side plate bottom plate is tangent to arc vertexes of the U-shaped through grooves;
the bottom surface of the auxiliary plate side plate and the top surface of the main plate upper side plate are respectively provided with a fastening double bolt, each fastening double bolt comprises two bolts which are horizontally arranged in parallel and have the same interval as the first group of U-shaped through grooves, and a connecting plate is arranged in the middle between the two bolts; the bottom surface of the auxiliary plate side plate is attached to the top surface of the fastening double-bolt connecting plate arranged on the auxiliary plate side plate, and the top surface of the main plate upper side plate is attached to the bottom surface of the fastening double-bolt connecting plate arranged on the main plate upper side plate; the screw thread end of the fastening double bolt is placed in the U-shaped through groove of the subplate bottom plate, the nut end of the fastening double bolt is placed in the U-shaped through groove of the main plate bottom plate, and the screw thread end of the fastening double bolt is sleeved with a nut.
2. The cold-formed thin-walled angle steel column low-cycle trial and error end connection device according to claim 1, wherein: the front end of the left side plate of the main board is provided with a bolt through hole, and the rear end of the lower side plate of the main board is provided with a bolt through hole.
3. The cold-formed thin-walled angle steel column low-cycle trial and error end connection device according to claim 1 or 2, characterized in that: the angle steel column strip is provided with an L-shaped inner panel in the curl according to the curl size, the L-shaped inner panel comprises a left side plate and a bottom plate which are longitudinally arranged, the left side surface of the left side plate of the L-shaped inner panel is attached to the left inner column surface of the angle steel column, the bottom surface of the bottom plate of the L-shaped inner panel is attached to the lower inner column surface of the angle steel column, the upper top surface of the left side plate of the L-shaped inner panel is attached to the left side curl, and the right side surface of the bottom plate of the L-shaped inner panel is attached to the lower side curl.
4. The cold-formed thin-walled angle steel column low-cycle trial and error end connection device according to claim 3, wherein: the thickness of the L-shaped inner panel is the same as the clear width of the curled edge.
5. The cold-formed thin-walled angle steel column low-cycle trial and error end connection device according to claim 3, wherein: the front end of the left side plate of the L-shaped inner panel is provided with a threaded hole corresponding to the bolt hole on the left side plate of the main board, and the rear end of the bottom plate of the L-shaped inner panel is provided with a threaded hole corresponding to the bolt hole on the lower side plate of the main board.
6. The cold-formed thin-walled angle steel column low-cycle trial and error end connection device according to claim 5, wherein: the screw holes on the L-shaped inner panel are provided with fastening bolts, and the fastening bolts are sleeved in the screw holes on the left side plate and the lower side plate of the main board and screwed into the screw holes on the L-shaped inner panel.
7. Test device using the test head connection device according to any of the preceding claims 1-6, characterized in that: including above-mentioned experimental end connecting device, still include the actuator that horizontal level set up, the right-hand member end connection of actuator has the end, the right-hand member face of end and the counter-force wall left surface contact of vertical setting, the left end below of actuator is provided with the support of vertical placing, the left end connection of actuator has the joint, the joint left end face is provided with the connecting plate, the connecting plate with experimental end connecting device be connected, experimental end connecting device cover is established on the top of the angle steel column component of vertical setting, the angle steel column component is fixed on the bottom surface.
8. The test device for the cold-formed thin-walled angle steel column low-cycle trial and error end socket connecting device according to claim 7, wherein: four corners of the connecting plate are provided with bolt through holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811307043.9A CN109187241B (en) | 2018-11-05 | 2018-11-05 | Cold-formed thin-wall angle steel column low-cycle repeated test end connecting device and test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811307043.9A CN109187241B (en) | 2018-11-05 | 2018-11-05 | Cold-formed thin-wall angle steel column low-cycle repeated test end connecting device and test device |
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| Publication Number | Publication Date |
|---|---|
| CN109187241A CN109187241A (en) | 2019-01-11 |
| CN109187241B true CN109187241B (en) | 2024-02-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811307043.9A Active CN109187241B (en) | 2018-11-05 | 2018-11-05 | Cold-formed thin-wall angle steel column low-cycle repeated test end connecting device and test device |
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| CN101915648A (en) * | 2010-07-09 | 2010-12-15 | 北京交通大学 | Device for testing low cycle repetitive load |
| JP2017078330A (en) * | 2015-10-19 | 2017-04-27 | Ｊｆｅスチール株式会社 | Junction structure between steel column and h-shaped beam or i-shaped beam, and junction method therefor |
| CN106644324A (en) * | 2016-12-30 | 2017-05-10 | 北京工业大学 | Test device for light steel frame beam column node bearing test |
| CN107202738A (en) * | 2017-07-25 | 2017-09-26 | 福州大学 | A kind of node fatigue test loading device and application method |
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2018
- 2018-11-05 CN CN201811307043.9A patent/CN109187241B/en active Active
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| JPH1161995A (en) * | 1997-06-09 | 1999-03-05 | Artes:Kk | Connecting-section structure of column and beam |
| CN101915648A (en) * | 2010-07-09 | 2010-12-15 | 北京交通大学 | Device for testing low cycle repetitive load |
| JP2017078330A (en) * | 2015-10-19 | 2017-04-27 | Ｊｆｅスチール株式会社 | Junction structure between steel column and h-shaped beam or i-shaped beam, and junction method therefor |
| CN106644324A (en) * | 2016-12-30 | 2017-05-10 | 北京工业大学 | Test device for light steel frame beam column node bearing test |
| CN107202738A (en) * | 2017-07-25 | 2017-09-26 | 福州大学 | A kind of node fatigue test loading device and application method |
| CN209167038U (en) * | 2018-11-05 | 2019-07-26 | 郑州大学 | Cold bending thin wall column of angles horizontal cyclic loading exteriment end connecting device and experimental rig |
Non-Patent Citations (1)
| Title |
|---|
| 冷弯型钢抗弯斜节点抗震性能试验研究;赵根田;高鹏;马常宏;;内蒙古科技大学学报(03);全文 * |
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| CN109187241A (en) | 2019-01-11 |
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