CN202658728U - Casing gasket fire-resistant beam column pitch joint - Google Patents
Casing gasket fire-resistant beam column pitch joint Download PDFInfo
- Publication number
- CN202658728U CN202658728U CN 201220307238 CN201220307238U CN202658728U CN 202658728 U CN202658728 U CN 202658728U CN 201220307238 CN201220307238 CN 201220307238 CN 201220307238 U CN201220307238 U CN 201220307238U CN 202658728 U CN202658728 U CN 202658728U
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- bolt
- end plate
- sleeve pipe
- steel
- pipe pad
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Abstract
The utility model discloses a casing gasket fire-resistant beam column pitch joint. The casing gasket fire-resistant beam column pitch joint comprises a steel column, a steel beam, an end plate, and a bolt, wherein the steel beam is connected with the steel column through the end plate and the bolt, the steel beam is welded to the end plate, a screw between the head of the blot and the end plate is provided with a casing gasket which is in clearance fit with the bolt, the thickness of the casing gasket is larger than or equal to the size of the outer diameter of threads of the bolt, the strength level of steel of the casing gasket is equal to or higher than that of the steel adopted by the end plate, the casing gasket is round or square or regular-hexagon-shaped or regular-octagon-shaped, the size of the casing gasket is larger than or equal to that of the head of the bolt, the steel beam and the end plate adopt a penetration butt welding method, and the bolt is a high-strength bolt. The casing gasket improves the deformation capacity and rotation capacity of the pitch joint, avoids the damage to the high-strength bolt, improves the collapse-prevention capacity of the structure, and is suitable for industrial and civil steel frame structures with high requirements for structural fire-resistant performance and the collapse-prevention capacity.
Description
Technical field
The utility model relates to a kind of beam-column connection technical field, relates in particular to the anti-fiery type bean column node of a kind of sleeve pipe pad.
Background technology
Along with expanding economy, Development of High-rise Buildings is more and more faster, highly constantly raises, and the high-rise fire accident happens occasionally, and the structure fire of highrise building can cause the damage of structure or collapse.Therefore need to improve the ability of structure fire-resistant, for the target that guarantees structure fire resistant design, make structure after fire occurs, still have certain supporting capacity and deformability in the certain hour, prevent from collapsing, to guarantee safety evacuation in the building, the safe transfer of property, and the fire fighter has sufficient attack time, standard all is by guaranteeing that independent member meets the demands in the performance under the fire, guaranteeing integrally-built safety such as the quantity that increases bolt and the measures such as intensity that improve bolt both at home and abroad at present.The defective of this method is, the behavior of fire lower member in overall structure has a great difference with the behavior of independent member, the fire resistance of member can not represent integrally-built fire resistance fully separately, exist the poor problem of structure collapse resistant capacity, the calamity " Invest, Then Investigate " of integral model test research and actual fire is found, girder steel can produce outstanding line effect under the fire condition, and can bear very high temperature and produce large deformation and fracture not, and to guarantee giving full play to of the outstanding line effect of girder steel, only increase bolt quantity and improve the bolt strength DeGrain, and need to improve node region turning power at high temperature, thereby guarantee that the outstanding line effect of girder steel is not fully exerted, and improves the collapse resistant capacity of structure.
Summary of the invention
The purpose of this utility model is exactly to increase bolt quantity in order to solve taking merely that prior art exists, improve the bolt strength measure and guarantee integrally-built safety, can not improve well node region turning power at high temperature so that the outstanding line effect of girder steel is not fully exerted the problem that the structure collapse resistant capacity is poor; Provide a kind of sleeve pipe pad anti-fiery type bean column node; Giving full play to of the outstanding line effect of assurance girder steel improved the collapse resistant capacity of structure.Provide certain turning power to girder steel during fire, avoided the destruction of high-strength bolt, improve the collapse resistant capacity of structure, be applicable to the demanding industry of structure fire resistance performance and collapse resistant capacity and civilian steel framed structure.
For achieving the above object, the utility model adopts following technical scheme:
The anti-fiery type bean column node of sleeve pipe pad, comprise steel column, girder steel, end plate, bolt, girder steel is connected with steel column by end plate, bolt, girder steel and end plate welding, on the bolt head of described bolt and the screw rod between the end plate sleeve pipe pad is set, sleeve pipe pad and bolt matched in clearance.The sleeve pipe pad improves deformability and the turning power of node.
The bilateral gap of described sleeve pipe pad diameter of bore and the diameter of bolt is less than or equal to 2mm.
The thickness of described sleeve pipe pad is greater than or equal to the bolt thread outside dimension.
Described sleeve pipe pad strength classes of structural steel equals or is higher than the strength grade of steel that end plate adopts.
Described sleeve pipe pad profile is circular, perhaps rectangle, regular hexagon, octagon shape, and appearance and size is greater than or equal to the bolt head size.
Girder steel and end plate adopt penetration butt welding.
Bolt adopts high-strength bolt.
Steel column, girder steel are connected the employing extended end plate and connect with end plate, perhaps the flush end plate connects, flush end plate web connects, the angle steel web connects.
Operating principle of the present utility model: the utility model comprises steel column, girder steel, end plate, bolt, girder steel is connected with steel column by end plate, bolt, girder steel and end plate welding, on the bolt head of described bolt and the screw rod between the end plate sleeve pipe pad is set, sleeve pipe pad and bolt matched in clearance, the sleeve pipe pad improves deformability and the turning power of node.Bolt adopts high-strength bolt.Described sleeve pipe pad profile is circular, perhaps rectangle, regular hexagon, octagon shape, and appearance and size is greater than or equal to the bolt head size.The bilateral gap of described sleeve pipe pad diameter of bore and the diameter of bolt is less than or equal to 2mm.The thickness of described sleeve pipe pad is greater than or equal to the bolt thread outside dimension.Described sleeve pipe pad strength classes of structural steel equals or is higher than the strength grade of steel that end plate adopts.Girder steel and end plate adopt penetration butt welding.Steel column, girder steel are connected the employing extended end plate and connect with end plate, perhaps the flush end plate connects, flush end plate web connects, the angle steel web connects.
The beneficial effects of the utility model:
1. the steel sleeve pad can produce larger distortion during fire, provides certain turning power to girder steel, has avoided the destruction of high-strength bolt.
2. improve the survival ability of node, guaranteed the performance of the outstanding line effect of girder steel, improved the collapse resistant capacity of structure.
3. simple structure is cheap, constructability, and fire resistance is good.
4. be applicable to the bean column node of the demanding industry of structure fire resistance performance and collapse resistant capacity and civilian steel framed structure.
Description of drawings
Fig. 1 is front view of the present utility model;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is the top view of Fig. 1;
Fig. 4 is sleeve pipe pad schematic diagram.
Fig. 5 is the left view of Fig. 4;
Among the figure, 1. steel column; 2. girder steel; 3. end plate; 4. bolt; 5. sleeve pipe pad.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is described further.
The anti-fiery type bean column node of sleeve pipe pad, in conjunction with Fig. 1 to Fig. 5, comprise steel column 1, girder steel 2, end plate 3, bolt 4, bolt 4 adopts high-strength bolt, girder steel 2 is connected with steel column 1 by end plate 3, bolt 4, and girder steel 2 adopts penetration butt welding with end plate 3, on the screw rod between the bolt head of described bolt 4 and the end plate 3 sleeve pipe pad 5 is set, sleeve pipe pad 5 and bolt 4 matched in clearance, sleeve pipe pad 5 improves deformability and the turning power of node.Described sleeve pipe pad 5 profiles are circle or rectangle, regular hexagon, octagon shape, and appearance and size is greater than or equal to bolt 4 bolt head sizes.Bilateral gap on described sleeve pipe pad 5 diameter of bores and bolt 4 diameters of bolt is less than or equal to 2mm.The thickness of described sleeve pipe pad 5 is greater than or equal to bolt 4 major diameter of thread sizes.Described sleeve pipe pad 5 strength classes of structural steel equal or are higher than the strength grade of end plate 4 steel that adopt.Steel column 1, girder steel 2 are connected the employing extended end plate and connect with end plate, perhaps the flush end plate connects, flush end plate web connects, the angle steel web connects.
Although above-mentionedly by reference to the accompanying drawings the specific embodiment of utility model is described; but be not the restriction to the utility model protection domain; one of ordinary skill in the art should be understood that; on the basis of the technical solution of the utility model, those skilled in the art do not need to pay various modifications that creative work can make or distortion still in protection domain of the present utility model.
Claims (8)
1. anti-fiery type bean column node of sleeve pipe pad, comprise steel column, girder steel, end plate, bolt, girder steel is connected with steel column by end plate, bolt, girder steel and end plate welding, it is characterized in that, on the bolt head of described bolt and the screw rod between the end plate sleeve pipe pad is set, sleeve pipe pad and bolt matched in clearance.
2. the anti-fiery type bean column node of sleeve pipe pad as claimed in claim 1 is characterized in that the bilateral gap of described sleeve pipe pad diameter of bore and the diameter of bolt is less than or equal to 2mm.
3. the anti-fiery type bean column node of sleeve pipe pad as claimed in claim 1 is characterized in that the thickness of described sleeve pipe pad is greater than or equal to the bolt thread outside dimension.
4. the anti-fiery type bean column node of sleeve pipe pad as claimed in claim 1 is characterized in that described sleeve pipe pad strength classes of structural steel equals or be higher than the strength grade of steel that end plate adopts.
5. the anti-fiery type bean column node of sleeve pipe pad as claimed in claim 1 is characterized in that, described sleeve pipe pad profile is circular, perhaps rectangle, regular hexagon, octagon shape, and appearance and size is greater than or equal to the bolt head size.
6. the anti-fiery type bean column node of sleeve pipe pad as claimed in claim 1 is characterized in that, described girder steel and end plate adopt penetration butt welding.
7. the anti-fiery type bean column node of sleeve pipe pad as claimed in claim 1 is characterized in that, described bolt adopts high-strength bolt.
8. the anti-fiery type bean column node of sleeve pipe pad as claimed in claim 1 is characterized in that, described steel column, girder steel are connected the employing extended end plate and connect with end plate, and perhaps the flush end plate connects, flush end plate web connects, the angle steel web connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220307238 CN202658728U (en) | 2012-06-28 | 2012-06-28 | Casing gasket fire-resistant beam column pitch joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220307238 CN202658728U (en) | 2012-06-28 | 2012-06-28 | Casing gasket fire-resistant beam column pitch joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202658728U true CN202658728U (en) | 2013-01-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220307238 Expired - Fee Related CN202658728U (en) | 2012-06-28 | 2012-06-28 | Casing gasket fire-resistant beam column pitch joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202658728U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102704576A (en) * | 2012-06-28 | 2012-10-03 | 山东大学 | Fire-resistant type beam-column joint for sleeve gaskets |
| CN105696705A (en) * | 2016-01-01 | 2016-06-22 | 沈阳建筑大学 | Prefabricated steel frame structure |
| CN105839968A (en) * | 2016-05-19 | 2016-08-10 | 华南理工大学 | Connecting node plate with sliding end plate for buckling-restrained brace |
-
2012
- 2012-06-28 CN CN 201220307238 patent/CN202658728U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102704576A (en) * | 2012-06-28 | 2012-10-03 | 山东大学 | Fire-resistant type beam-column joint for sleeve gaskets |
| CN105696705A (en) * | 2016-01-01 | 2016-06-22 | 沈阳建筑大学 | Prefabricated steel frame structure |
| CN105839968A (en) * | 2016-05-19 | 2016-08-10 | 华南理工大学 | Connecting node plate with sliding end plate for buckling-restrained brace |
| CN105839968B (en) * | 2016-05-19 | 2019-03-15 | 华南理工大学 | A kind of connecting node plate with sliding end plate for anti-buckling support |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130109 Termination date: 20150628 |
|
| EXPY | Termination of patent right or utility model |