CN209854964U - Bearing-energy dissipation structure with double-order yield characteristic - Google Patents
Bearing-energy dissipation structure with double-order yield characteristic Download PDFInfo
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- CN209854964U CN209854964U CN201920473446.4U CN201920473446U CN209854964U CN 209854964 U CN209854964 U CN 209854964U CN 201920473446 U CN201920473446 U CN 201920473446U CN 209854964 U CN209854964 U CN 209854964U
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Abstract
The utility model relates to a bearing-energy dissipation structure with double-step yield characteristic, which comprises a built-in core material, a peripheral constraint sleeve, a connecting sleeve and an end connector, wherein the built-in core material is sleeved with the peripheral constraint sleeve, the lengths of the two ends of the peripheral constraint sleeve are smaller than the lengths of the two ends of the built-in core material, concrete mortar is filled between the peripheral constraint sleeve and the built-in core material, the two ends of the peripheral constraint sleeve are respectively sleeved with the connecting sleeve, one side of the bottom surface part of the connecting sleeve is fixedly connected with the end part of the built-in core material, the other side of the bottom surface part of the connecting sleeve is fixedly connected with the end connector; the utility model discloses can be applied to many high-stories, superelevation layer reinforced concrete frame construction, steel construction etc. possess and bear and energy dissipation difunctional, both can provide anti lateral stiffness for the structure system in the structure system, can also get into the yield power consumption stage earlier as the first line antidetonation defence line of structure system, protect main bearing component.
Description
Technical Field
The invention relates to the technical field of earthquake resistance and disaster prevention of building structures, in particular to a bearing-energy dissipation structure with a double-step yield characteristic.
Background
With the increasing adverse effect and threat of earthquake disasters on building structures, the development of the shock absorption control technology and research work of the structures is very important, and the traditional structural earthquake-resistant method resists earthquake action by enhancing the earthquake-resistant performance of the structures, such as improving the strength, rigidity, ductility and the like of the structures. However, due to the randomness of earthquake action, the structure is likely to be difficult to meet the safety requirements, so that the structure is seriously damaged and collapsed, and the property and life safety of people is seriously threatened; in addition, the traditional structural earthquake resistance mainly improves the strength and rigidity of the structure by increasing the section size of structural members, increasing the reinforcement ratio, using high-strength materials and the like to achieve the effect of improving the earthquake resistance of the structure, so that the structural cost can be obviously improved, in addition, the repair work after earthquake is very heavy, the energy dissipation and vibration reduction structure is a method of arranging energy consumption devices at certain parts of a building, and the energy in the earthquake input structure is absorbed or dissipated by the bending, shearing and other elastic-plastic hysteresis deformation of the energy consumption devices to reduce the earthquake reaction of the main body structure, in the structural system, the bearing-energy dissipation and vibration reduction structure can be used as a first earthquake-resistant defense line, can enter an energy consumption state firstly under the action of earthquake, consumes the earthquake energy input into the structure and the earthquake reaction of the attenuation structure, consumes and protects the main body structure and the bearing members from being damaged, meanwhile, the number of shear walls in a structural system can be reduced, the section size of a component can be reduced, reinforcing bars can be reduced, and the economical efficiency is higher; according to the three-order earthquake fortification level specified in the building earthquake design code of China, namely, under the action of small earthquake, the building is generally not damaged or can be continuously used without being repaired; under the action of the medium earthquake, the building can be damaged to a certain extent and can be continuously used after general repair or no repair; under the action of a large earthquake, a building can be seriously damaged, but cannot collapse or seriously damage which endangers life, the energy dissipation and shock absorption structure can provide lateral rigidity resistance for the building structure in an elastic stage by arranging an energy dissipation device, and simultaneously, energy dissipation can be started by elastic-plastic hysteresis deformation of the energy dissipation and shock absorption structure under the action of the earthquake, so that the safety and reliability of a structure system are ensured, and the whole structure has enough rigidity and better ductility.
Disclosure of Invention
The utility model provides a can be applied to many high-rise layers, super high-rise reinforced concrete frame construction, steel construction etc, possess and bear and energy dissipation dual functionality, both can provide anti lateral stiffness for the structure system in the structure system, can also get into the yield power consumption stage earlier as the first line antidetonation defence line of structure system, the main bearing member of protection possesses the two-step yield characteristic bear-energy dissipation structure, the technical problem that solve is traditional structure antidetonation method structure because the randomness of earthquake, probably be difficult to reach the safety requirement, structure cost can obviously improve in addition, repair work also is very heavy after shaking in addition.
In order to solve the technical problem, the utility model discloses a following technical scheme: the utility model provides a bearing-energy dissipation structure that possesses two-step yield characteristic which characterized in that: the high-strength concrete core is characterized by comprising a built-in core material, a peripheral constraint sleeve, a connecting sleeve and an end connector, wherein the built-in core material is sleeved with the peripheral constraint sleeve, the length of two ends of the peripheral constraint sleeve is smaller than that of two ends of the built-in core material, concrete mortar is filled between the peripheral constraint sleeve and the built-in core material, the two ends of the peripheral constraint sleeve are respectively sleeved with the connecting sleeve, one side of the bottom surface part of the connecting sleeve is fixedly connected with the end part of the built-in core material, the other side of the bottom surface part of the connecting sleeve is fixedly connected with the end connector, and the connecting.
Preferably, the cross sections of the built-in core material, the peripheral constraint sleeve and the connecting sleeve are square.
Preferably, the cross sections of the left end part and the right end part of the built-in core material are larger than the cross section of the middle part of the built-in core material.
Preferably, one side of the bottom surface part of the connecting sleeve is welded and fixed with the end part of the built-in core material, and the other side is welded and fixed with the end part joint.
Preferably, a stiffening rib is arranged at the joint of the end joint and the connecting sleeve.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model can be applied to multi-high and super high reinforced concrete frame structures, steel structures and the like, has the dual functions of bearing and energy dissipation, can provide lateral stiffness for a structural system in the structural system, and can also be used as the first anti-seismic defense line of the structural system to enter the yielding energy dissipation stage first to protect the bearing-energy dissipation structure with the double-stage yielding property of the main bearing component; in the utility model, the cross sections of the built-in core material, the peripheral constraint sleeve and the connecting sleeve are square, so that the welding and the installation of the high-strength bolt are convenient; in the utility model, the cross sections of the left and right end parts of the built-in core material are larger than the cross section of the middle part, so that the two ends are conveniently connected with the constraint sleeve and the connecting cylinder, and the core material is saved in the middle part; the utility model discloses well adapter sleeve bottom surface part one side with built-in core tip and welded fastening, opposite side and end connection welded fastening, end connection and adapter sleeve junction are provided with stiffening rib, prevent that end connection warp.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1. the high-strength steel wire rope comprises a built-in core material 2, a peripheral constraint sleeve 3, a connecting sleeve 4, an end connector 5, a high-strength bolt 6 and a stiffening rib.
Detailed Description
Example (b): as shown in fig. 1, a bearing-energy dissipation structure with a two-step yield characteristic comprises a built-in core material 1, a peripheral constraint sleeve 2, a connecting sleeve 3 and an end connector 4, wherein the built-in core material 1 is sleeved with the peripheral constraint sleeve 2, the lengths of two ends of the peripheral constraint sleeve 2 are smaller than those of two ends of the built-in core material 1, concrete mortar is filled between the peripheral constraint sleeve 2 and the built-in core material 1, the two ends of the peripheral constraint sleeve 2 are respectively sleeved with the connecting sleeve 3, one side of the bottom surface part of the connecting sleeve 3 is fixedly connected with the end of the built-in core material 1, the other side of the bottom surface part of the connecting sleeve 3 is fixedly connected with the end connector 4, and the connecting sleeve 3, the peripheral constraint sleeve 2 and; preferably, the cross sections of the built-in core material 1, the peripheral constraint sleeve 2 and the connecting sleeve 3 are square; preferably, the cross sections of the left end part and the right end part of the built-in core material 1 are larger than the cross section of the middle part; preferably, one side of the bottom surface part of the connecting sleeve 3 is welded and fixed with the end part of the built-in core material 1, and the other side is welded and fixed with the end part joint 4; preferably, the connection between the end fitting 4 and the connecting sleeve 3 is provided with a stiffening rib 6.
The technical scheme is divided into three stages in implementation, wherein the first stage comprises the following steps: the high-strength bolt 5, the peripheral constraint sleeve 2 and the built-in core material 1 are all in an elastic state, and the structure mainly provides lateral stiffness for a structural system;
and a second stage: the high-strength bolt 5 enters a shear yield state, the peripheral constraint sleeve 2 and the built-in core material 1 are in an elastic state, the bearing-energy dissipation shock absorption structure enters a first-order yield working stage, the structural rigidity and the bearing capacity are not obviously reduced, the structure starts to serve as a first anti-seismic defense line of the structural system while providing lateral stiffness for the structural system, and the structure enters an energy consumption stage;
and a third stage: the high-strength bolt 5 is continuously in a shearing yield stage, the built-in core material 1 starts to enter a yield state, the built-in core material 1 is prevented from buckling under the constraint of built-in concrete mortar, the peripheral constraint sleeve 2 is still in an elastic stage, and the bearing-energy dissipation damping structure enters a second-order yield working stage, at the moment, as the built-in core material 1 is not buckled, the integral rigidity and the bearing capacity of the structure are not obviously reduced, and the bearing-energy dissipation damping structure can still provide lateral rigidity resistance and bearing capacity for a structure system and continuously participate in energy consumption.
In the technical scheme: the utility model discloses can adopt multiple arrangement forms such as central monocline formula, V style form, herringbone form to be applied to many high-rise, super high-rise reinforced concrete frame construction, steel construction etc. possess and bear and dissipate energy difunctional, both can provide anti lateral stiffness for structural system in structural system, can also enter the yield power consumption stage as the first line of antidetonation defence line of structural system first, protect the main bearing component possess the bearing-dissipation structure of two-step yield characteristic; in the utility model, the cross sections of the built-in core material 1, the peripheral constraint sleeve 2 and the connecting sleeve 3 are square, so that the welding and the installation of the high-strength bolt 5 are convenient; in the utility model, the cross sections of the left and right end parts of the built-in core material 1 are larger than the cross section of the middle part, so that the two ends are conveniently connected with the restraining sleeve 3 and the connecting sleeve 3, and the core material is saved in the middle part; the utility model discloses 3 bottom surface parts one side of well connecting sleeve with 1 tip of built-in core and welded fastening, opposite side and 4 welded fastening of end fitting, end fitting 4 are provided with stiffening rib 6 with the 3 junctions of connecting sleeve, prevent that end fitting 4 from warping.
Claims (5)
1. The utility model provides a bearing-energy dissipation structure that possesses two-step yield characteristic which characterized in that: the composite core material is characterized by comprising a built-in core material (1), a peripheral constraint sleeve (2), a connecting sleeve (3) and an end connector (4), wherein the peripheral constraint sleeve (2) is sleeved outside the built-in core material (1), the length of the two ends of the peripheral constraint sleeve (2) is smaller than that of the two ends of the built-in core material (1), concrete mortar is filled between the peripheral constraint sleeve (2) and the built-in core material (1), the connecting sleeve (3) is sleeved at the two ends of the peripheral constraint sleeve (2) respectively, one side of the bottom surface part of the connecting sleeve (3) is fixedly connected with the end part of the built-in core material (1), the other side of the bottom surface part of the connecting sleeve (3) is fixedly connected with the end connector (4), and the connecting sleeve (3), the peripheral constraint sleeve (2.
2. A load-dissipating structure with two-step yield characteristics as claimed in claim 1, wherein: the cross sections of the built-in core material (1), the peripheral constraint sleeve (2) and the connecting sleeve (3) are square.
3. A load-dissipating structure with two-step yield characteristics as claimed in claim 1, wherein: the cross sections of the left end part and the right end part of the built-in core material (1) are larger than the cross section of the middle part.
4. A load-dissipating structure with two-step yield characteristics as claimed in claim 1, wherein: one side of the bottom surface part of the connecting sleeve (3) is welded and fixed with the end part of the built-in core material (1), and the other side is welded and fixed with the end part joint (4).
5. A load-dissipating structure with two-step yield characteristics as claimed in claim 1, wherein: a stiffening rib (6) is arranged at the joint of the end joint (4) and the connecting sleeve (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920473446.4U CN209854964U (en) | 2019-04-10 | 2019-04-10 | Bearing-energy dissipation structure with double-order yield characteristic |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920473446.4U CN209854964U (en) | 2019-04-10 | 2019-04-10 | Bearing-energy dissipation structure with double-order yield characteristic |
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| CN209854964U true CN209854964U (en) | 2019-12-27 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113833142A (en) * | 2020-06-23 | 2021-12-24 | Bx凯耐施株式会社 | Damping device for wooden building and wooden building using the same |
| CN114960949A (en) * | 2022-06-29 | 2022-08-30 | 西安建筑科技大学 | End rigidity lifting steel bar constraint circular steel tube component |
-
2019
- 2019-04-10 CN CN201920473446.4U patent/CN209854964U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113833142A (en) * | 2020-06-23 | 2021-12-24 | Bx凯耐施株式会社 | Damping device for wooden building and wooden building using the same |
| CN114960949A (en) * | 2022-06-29 | 2022-08-30 | 西安建筑科技大学 | End rigidity lifting steel bar constraint circular steel tube component |
| CN114960949B (en) * | 2022-06-29 | 2024-04-09 | 西安建筑科技大学 | End rigidity lifting steel bar constraint round steel pipe member |
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Address after: No. 298, Wenhua North Road, Huiji District, Zhengzhou City, Henan Province Patentee after: Henan urban and rural planning and Design Research Institute Co., Ltd Address before: 450000 Henan city of Zhengzhou province Huiji District Cultural Road No. 298 Patentee before: Henan Province, urban and rural planning and Design Institute Co. Ltd. |