CN203947571U - Controllable rotary Self-resetting elastic hinge structure - Google Patents
Controllable rotary Self-resetting elastic hinge structure Download PDFInfo
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- CN203947571U CN203947571U CN201420364682.XU CN201420364682U CN203947571U CN 203947571 U CN203947571 U CN 203947571U CN 201420364682 U CN201420364682 U CN 201420364682U CN 203947571 U CN203947571 U CN 203947571U
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Abstract
The utility model relates to a kind of controllable rotary Self-resetting elastic hinge structure, and its structure includes upright frame column and is arranged on the tazza oral pillar base of described frame column bottom surface; End face at described tazza oral pillar base is provided with the spill rim of a cup of accepting described frame column; In the bottom surface of described frame column, be provided with steel base plate, on described steel base plate, be welded with some upright steel pipes, described steel pipe is embedded in the cylinder of described frame column, described in each, in steel pipe, cross-under has high tensile reinforcement, the epimere of described high tensile reinforcement is anchored in the cylinder of described frame column, and the hypomere of described high tensile reinforcement is anchored in the matrix of described tazza oral pillar base.The utility model has been broken through the mentality of designing of conventional frame, can make frame column base node have good Self-resetting performance, makes to have elastic rotation ability and self-resetting capability at the bottom of frame column, has improved the anti-seismic performance of frame column.
Description
Technical field
The utility model relates to a kind of building structure, specifically a kind of controllable rotary Self-resetting elastic hinge structure.
Background technology
The violent earthquake taking place frequently in the recent period on the earth, had both caused the heavy losses of property, and also the numerous common people's life security has been arrived in serious threat.And as the building of people's productive life main place, in the natural calamities such as earthquake, be damaged, can bring huge loss.Therefore, the meaning of research building novel earthquake-proof system is very great.In existing concrete frame trestle or steel column structure based on Ductility Design, to be mainly structural meterials by frame column realize as steel or concrete surrender Formation cross-section plastic hinge default cross section ductility deformation mechanism, the in the situation that of moderate shock intensity, will occur, cause the permanent set of can not ignore, bring thus following 4 deficiencies:
1, cross section ductility is out of shape excessive and is difficult to local recovery, causes by overall pulling down;
Even if 2 ductility distortion are in limit value, but obvious decline all appears in the bearing capacity and stiffness of design section, to continuing to be on active service, cause adverse effect;
3, directly cause huge economic loss.
4, structure is difficult to repair after entering elastoplasticity collapse state.
Under such realistic situation, construction work circle need to be sought more advanced design scheme and more strict seismic design provision in building code criterion.
Summary of the invention
The utility model is just to provide a kind of controllable rotary Self-resetting elastic hinge structure, thereby in earthquake, has the problem that larger permanent set affects Building Structure Strength to solve conventional frame post later.
The utility model is achieved in that a kind of controllable rotary Self-resetting elastic hinge structure, includes upright frame column and the tazza oral pillar base that is arranged on described frame column bottom surface; End face at described tazza oral pillar base is provided with the spill rim of a cup of accepting described frame column; In the bottom surface of described frame column, be provided with steel base plate, on described steel base plate, be welded with some upright steel pipes, described steel pipe is embedded in the cylinder of described frame column, described in each, in steel pipe, cross-under has high tensile reinforcement, the epimere of described high tensile reinforcement is anchored in the cylinder of described frame column, and the hypomere of described high tensile reinforcement is anchored in the matrix of described tazza oral pillar base.
Between the sidewall of spill rim of a cup of described tazza oral pillar base and the sidewall of described frame column, leave gap, in this gap, be filled with non-shrink mortar, form the non-shrink mortar layer of isolated air, to prevent the corrosion of steel base plate.
Described high tensile reinforcement has the embedment length that at least 2/3 post is high in described frame column, in the cylinder of described frame column, according to stressed, is furnished with corresponding vertical muscle and stirrup.
Described high tensile reinforcement has enough embedment lengths or adopts the anchorage style of 90 ° of crotches to fix in described tazza oral pillar base.
Described high tensile reinforcement and described steel pipe inner wall are without bonding, to guarantee that base for post node post hinge has enough elastic rotation abilities; In described steel pipe, be marked with grease, to prevent corrosion.
Described tazza oral pillar base is precast concrete or cast-in-place structural, and its spill rim of a cup has enough shear strengths, to retrain the horizontal movement of described frame column, and guarantees that base for post node has enough rotation spaces.
High tensile reinforcement in the utility model and tazza oral pillar base form a kind of elastic reset assembly, its loading characteristic, the one, the high tensile reinforcement that is arranged in cross-section of frame column peripheral position firmly links together frame column and the tazza oral pillar base of originally separately building, after earthquake, linear elasticity characteristic due to high tensile reinforcement, can produce enough restoring forces, make Self-resetting elastic hinge structure come back to initial bit shape, and do not produce or reduce rotation permanent set; The 2nd, all the time in elastic stage, there is not elastoplasticity or plastic failure in frame column bottom.By theoretical research and test, show, the utility model has stable self-resetting capability, can guarantee that frame column bottom is all the time in elastic rotation, like this, can avoid occurring plastic failure at the bottom of bottom column, can effectively reduce plasticity permanent set again, realize thus the antidetonation Self-resetting mechanism of default elasticity-reset.
The utility model is compared with conventional frame base for post node, and tool has the following advantages:
1, elastic reset function, the high tensile reinforcement being anchored in frame column cylinder can produce restoring force, make this node can come back to initial bit shape, and the permanent set that do not rotate has solved well thus conventional frame post and in earthquake, has had the problem of larger permanent set later.
2, the utility model flexible design, structure stress is clear and definite, and building structure realizes Self-resetting by the high tensile reinforcement assembly being arranged in frame column cylinder presetting position (at the bottom of post), and can guarantee that frame column has enough strength and stiffness.
3, the utility model adopts site concrete system, and site operation, does not increase difficulty of construction and operation, and system is clear and definite, superior performance.
The utility model has been broken through the mentality of designing of conventional frame, can make frame column base node have good Self-resetting performance, to meet the requirement of more and more shaking rear permanent set for frame column.
The utility model can adopt prefabricated units construction or cast-in-place construction.Prefabricated units construction only needs field operation assembled, constructs clear, easy, quick, can guarantee that the building structure of frame column class has enough strength and stiffness, is that a kind of advanced practical novel frame cylinder is.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is that A-A of Fig. 1 is to sectional drawing.
In figure: 1, frame column, 2, tazza oral pillar base, 4, steel base plate, 5, steel pipe, 6, high tensile reinforcement, 7, vertical muscle, 8, non-shrink mortar layer, 9, stirrup.
The specific embodiment
As shown in Figure 1 and Figure 2, the utility model includes upright frame column 1 and tazza oral pillar base 2.At the end face of tazza oral pillar base 2, be provided with the spill rim of a cup of bearing frame trestle.In the cylinder of frame column 1, according to stressed, be furnished with corresponding vertical muscle 7 and stirrup 9.In the bottom surface of frame column 1, be provided with steel base plate 4, be welded with some upright steel pipes 5 on steel base plate 4, steel pipe 5 is embedded in the cylinder of frame column 1.In each steel pipe 5, cross-under has high tensile reinforcement 6, and the epimere of high tensile reinforcement 6 is anchored in the cylinder of frame column 1, and high tensile reinforcement 6 has the embedment length that at least 2/3 post is high in frame column.The hypomere of high tensile reinforcement 5 is anchored in the matrix of tazza oral pillar base 2.High tensile reinforcement 6 has enough embedment lengths in tazza oral pillar base 2, or adopts the anchorage style of 90 ° of crotches to fix.The inwall of high tensile reinforcement 6 and steel pipe 5 is without bonding, to guarantee that base for post node post hinge has enough elastic rotation abilities.In steel pipe 5, be marked with grease, to prevent corrosion.
The built-in fitting of frame column bottom can play the effect of dividing potential drop, to prevent that post-stress reinforcing bar from producing excessive local pressure and conquassation concrete in anchoring end.
Between the sidewall of spill rim of a cup of tazza oral pillar base 2 and the sidewall of frame column 1, leave gap, in this gap, be filled with non-shrink mortar, form the non-shrink mortar layer 8 of isolated air, to prevent the corrosion of steel base plate.Tazza oral pillar base 2 is precast concrete or cast-in-place structural, and its spill rim of a cup has enough shear strengths, to retrain the horizontal movement of frame column, and guarantees that base for post node has enough rotation spaces.
The utility model is to make in the following manner:
(1) making of built-in fitting: press design shape and a rectangular steel plates of size intercepting of frame column bottom surface, steel plate can adopt the conventional steel plate of Q235 or above grade.In four jiaos, the plate face of steel plate, with gas welding, respectively offer 1-2 eyelets, at a upright steel pipe of corresponding each the eyelet place welding of end face of steel plate, all shaped steel weld seams are double welded joint.On the internal diameter of steel pipe and steel plate, the aperture of eyelet should be slightly larger than the diameter of the high tensile reinforcement of selecting.Steel plate and steel pipe integral are done after antirust processing, built-in fitting.Steel plate in built-in fitting is placed in the bottom surface of frame column, after building sizing, becomes the steel base plate of frame column, for contacting with tazza oral pillar base.Because frame column can produce and swing when being subject to earthquake repeated action, between frame column and tazza oral pillar base system, can produce angle because of swing, concrete frame column is easy to because Local Loads is excessive and broken, conquassation, steel plate in built-in fitting is just for frame column provides good contact surface, slow down concrete frame trestle and tazza oral pillar base in the contact failure at suspension column place, improved partial pressing's performance of structure.In addition, the steel plate in built-in fitting, together with steel pipe, also can play the effect of connection and dividing potential drop, to prevent that frame column bottom from producing excessive local pressure and conquassation concrete.
(2) making of tazza oral pillar base: adopt concrete prefabricated or cast-in-place mode to make tazza oral pillar base, tazza oral pillar base end face is shaped with spill rim of a cup, and its degree of lip-rounding is identical with the shape of frame column bottom surface, but size is slightly larger than the peripheral dimension of frame column bottom surface.Spill rim of a cup on tazza oral pillar base has enough shear strengths, to retrain the horizontal movement of frame column, and guarantees that base for post node has enough rotation spaces.The some high tensile reinforcements of anchoring in the matrix of the tazza oral pillar base of spill rim of a cup bottom, high tensile reinforcement should have enough anchorings in tazza oral pillar base, enough embedment lengths for example, or with the fixing high tensile reinforcement of the anchorage styles such as 90 ° of crotches, prevent that high tensile reinforcement from pulling from concrete substrate.The strength grade of high tensile reinforcement should be at 1320-1860N/mm
2between, diameter can be between 8. 6-15. 2mm.The position of an eyelet on the every corresponding built-in fitting of high tensile reinforcement.In tazza oral pillar base, the high tensile reinforcement of anchoring should strictly align with the eyelet position on built-in fitting, to guarantee that high tensile reinforcement can pass smoothly along the eyelet on built-in fitting, and not bending in built-in fitting.When the concrete of building is after maintenance is solidified, tazza oral pillar base.
(3) making of frame column: first the high tensile reinforcement of anchoring on tazza oral pillar base is passed from bottom to top by the eyelet on built-in fitting and steel pipe one by one, again built-in fitting is put into the spill rim of a cup on tazza oral pillar base, in each steel pipe, pour into grease and to the steel pipe rubber stopper of filling in suitable for reading, carry out capping processing, on tazza oral pillar base, set up frame column formwork for placing again, the lower edge of frame column formwork for placing is stretched into the bottom of spill rim of a cup and is affixed with the inwall of spill rim of a cup, then can adopt cast-in-place mode at built-in fitting top pouring frame post, and the high tensile reinforcement stretching out from built-in fitting is anchored in the cylinder of frame column.Can be according to stressed corresponding vertical muscle and the stirrup of being equipped with in the cylinder of frame column.
(4) when frame column is after maintenance is solidified, remove frame column formwork for placing, between the sidewall of spill rim of a cup on tazza oral pillar base and the sidewall of frame column, form gap, filling non-shrink mortar in this gap, form the non-shrink mortar layer of isolated air, to prevent the corrosion of steel base plate, form thus the Self-resetting elastic hinge structure that makes frame column node there is Self-resetting function.
Claims (3)
1. a controllable rotary Self-resetting elastic hinge structure, is characterized in that, includes upright frame column and the tazza oral pillar base that is arranged on described frame column bottom surface; End face at described tazza oral pillar base is provided with the spill rim of a cup of accepting described frame column; In the bottom surface of described frame column, be provided with steel base plate, on described steel base plate, be welded with some upright steel pipes, described steel pipe is embedded in the cylinder of described frame column, described in each, in steel pipe, cross-under has high tensile reinforcement, the epimere of described high tensile reinforcement is anchored in the cylinder of described frame column, and the hypomere of described high tensile reinforcement is anchored in the matrix of described tazza oral pillar base.
2. controllable rotary Self-resetting elastic according to claim 1 cuts with scissors structure, it is characterized in that, between the sidewall of spill rim of a cup of described tazza oral pillar base and the sidewall of described frame column, leave gap, in this gap, be filled with non-shrink mortar, form the non-shrink mortar layer of isolated air.
3. controllable rotary Self-resetting elastic hinge structure according to claim 1, is characterized in that, described high tensile reinforcement has the embedment length that at least 2/3 post is high in described frame column, is furnished with vertical muscle and stirrup in the cylinder of described frame column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420364682.XU CN203947571U (en) | 2014-07-03 | 2014-07-03 | Controllable rotary Self-resetting elastic hinge structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420364682.XU CN203947571U (en) | 2014-07-03 | 2014-07-03 | Controllable rotary Self-resetting elastic hinge structure |
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| CN203947571U true CN203947571U (en) | 2014-11-19 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104060687A (en) * | 2014-07-03 | 2014-09-24 | 河北工程大学 | Controllable rotary self-resetting elastic column hinge structure and method for obtaining self-resetting elastic column hinge |
| CN110924426A (en) * | 2019-11-13 | 2020-03-27 | 中国矿业大学 | Bottom-expanding cup-mouth type connecting structure and method for reinforced concrete column and foundation |
-
2014
- 2014-07-03 CN CN201420364682.XU patent/CN203947571U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104060687A (en) * | 2014-07-03 | 2014-09-24 | 河北工程大学 | Controllable rotary self-resetting elastic column hinge structure and method for obtaining self-resetting elastic column hinge |
| CN110924426A (en) * | 2019-11-13 | 2020-03-27 | 中国矿业大学 | Bottom-expanding cup-mouth type connecting structure and method for reinforced concrete column and foundation |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Yang Shubiao Inventor after: Sun Kui Inventor after: Jia Jianhui Inventor before: Yang Shubiao Inventor before: Jia Jianhui Inventor before: Sun Kui |
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| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: YANG SHUBIAO JIA JIANHUI SUN KUI TO: YANG SHUBIAO SUN KUI JIA JIANHUI |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141119 Termination date: 20160703 |