CN106320560A - Damper with assembled structure - Google Patents
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- CN106320560A CN106320560A CN201610996900.5A CN201610996900A CN106320560A CN 106320560 A CN106320560 A CN 106320560A CN 201610996900 A CN201610996900 A CN 201610996900A CN 106320560 A CN106320560 A CN 106320560A
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- 238000013016 damping Methods 0.000 claims abstract description 51
- 229910000831 Steel Inorganic materials 0.000 claims description 31
- 239000010959 steel Substances 0.000 claims description 31
- 239000004567 concrete Substances 0.000 claims description 13
- 239000011120 plywood Substances 0.000 claims description 6
- 125000006850 spacer group Chemical group 0.000 claims description 4
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 8
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 238000006073 displacement reaction Methods 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000035939 shock Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000011178 precast concrete Substances 0.000 description 3
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000003796 beauty Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
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- Structural Engineering (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
- Vibration Prevention Devices (AREA)
Abstract
本发明一种装配式结构的阻尼器，包括：第一夹板模块，包括第一连接板和多个第一夹板，多个第一夹板间隔固定在第一连接板的一侧，第一连接板的另一侧用于与梁结构固定连接；第二夹板模块，包括第二连接板和多个第二夹板，多个第二夹板间隔固定在第二连接板的一侧，第二连接板的另一侧用于与柱或墙固定连接；阻尼棒模块，贯穿并固定在多个第一夹板及第二夹板上；销钉模块，贯穿并固定在多个第一夹板及第二夹板上；至少一个第一夹板固定在相邻两个第二夹板之间。本发明提供了一种装配式结构的阻尼器，体积较小，节省成本；可保证节点在小震下处于弹性刚接，大震下进入塑性变刚度连接，由阻尼耗能作用减小结构所受地震力，保护主体结构安全。
An assembled structure damper of the present invention includes: a first splint module, including a first connecting plate and a plurality of first splints, the plurality of first splints are fixed on one side of the first connecting plate at intervals, and the first connecting plate The other side is used for fixed connection with the beam structure; the second clamping plate module includes a second connecting plate and a plurality of second clamping plates, and multiple second clamping plates are fixed on one side of the second connecting plate at intervals, and the second connecting plate The other side is used for fixed connection with the column or wall; the damping rod module penetrates and is fixed on multiple first splints and second splints; the pin module penetrates and is fixed on multiple first splints and second splints; at least A first splint is fixed between two adjacent second splints. The invention provides a damper with an assembled structure, which has a small volume and saves costs; it can ensure that the nodes are in elastic rigid connection under small earthquakes, and enter into plastic variable stiffness connections under large earthquakes, and the energy consumption of the damping is reduced by the structure. Protect the main structure from the earthquake force.
Description
技术领域technical field
本发明涉及一种阻尼器，尤其是一种装配式结构的阻尼器。The invention relates to a damper, in particular to a damper with an assembled structure.
背景技术Background technique
装配式混凝土结构与现浇混凝土结构相比，其整体性相对较弱、节点构造复杂。同时，装配式混凝土结构的抗震性能受到工程界与学术界的密切关注。已有研究表明，装配式混凝土结构在地震下的破坏特征主要表现为因各构件间的连接破坏而导致结构整体的离散、倒塌，而预制构件本身较少发生损坏。以往国内外对装配式混凝土结构抗震性能的研究主要集中在构件节点，对结构整体抗震性能的研究相对较少。对节点的研究主要致力于通过一定的构造措施以提高构件节点的抗震能力，属于传统抗震结构的范畴，而复杂的构造措施往往导致构件节点施工复杂，结构整体依然依靠自身构件的塑性变形来耗散地震能量，且结构整体对于竖向地震动作用尚缺乏有效的隔绝措施。寻求更为合理的抗震性能，并抵御某种程度上不可预测的灾难性地震，成为装配式混凝土结构进－步发展的首要任务。Compared with cast-in-place concrete structures, prefabricated concrete structures have relatively weaker integrity and complex node structures. At the same time, the seismic performance of prefabricated concrete structures has drawn close attention from the engineering and academic circles. Existing studies have shown that the failure characteristics of prefabricated concrete structures under earthquakes are mainly manifested in the discreteness and collapse of the overall structure due to the failure of the connections between components, while the prefabricated components themselves are less damaged. In the past, research on the seismic performance of prefabricated concrete structures at home and abroad mainly focused on the joints of the components, and there were relatively few studies on the overall seismic performance of the structure. The research on joints is mainly devoted to improving the seismic capacity of component joints through certain structural measures, which belongs to the category of traditional seismic structures, but complex structural measures often lead to complicated construction of component joints, and the overall structure still relies on the plastic deformation of its own components to consume Earthquake energy is dissipated, and the structure as a whole lacks effective isolation measures for vertical earthquake motion. Seeking a more reasonable seismic performance and resisting a certain degree of unpredictable catastrophic earthquake has become the primary task for the further development of prefabricated concrete structures.
消能减震技术是现代结构振动控制理论应用于结构抗震设防中的一种有效方法，现有工程实例验证了其提高结构抗震性能的有效性，保证了建筑结构在强地震作用下的结构安全与人员安全。因此，将消能减震技术应用于装配式混凝土结构，在一定程度上可大大提高结构的抗震性能，使得结构在地震作用下能够满足抗震设防要求，具有重要的工程价值与广泛的应用前景。Energy dissipation and shock absorption technology is an effective method for the application of modern structural vibration control theory in structural anti-seismic fortification. Existing engineering examples have verified its effectiveness in improving structural anti-seismic performance, ensuring the structural safety of building structures under strong earthquakes and personnel safety. Therefore, the application of energy dissipation and shock absorption technology to prefabricated concrete structures can greatly improve the seismic performance of the structure to a certain extent, so that the structure can meet the seismic fortification requirements under the action of earthquakes, which has important engineering value and broad application prospects.
减震技术应用于预制混凝土结构可以有效地改善预制混凝土结构节点抗震性能薄弱的问题，实现了地震作用下上部结构的被动控制与能量耗散，对于提高预制混凝土结构的整体抗震性能具有重要的理论意义与工程应用价值。The application of shock absorption technology to precast concrete structures can effectively improve the problem of weak seismic performance of precast concrete structure joints, realize the passive control and energy dissipation of the superstructure under earthquake action, and have an important theory for improving the overall seismic performance of precast concrete structures Significance and engineering application value.
目前研发的绝大部分阻尼器一般通过钢支撑与主体结构连接，支撑结构形式主要有斜杆型、人字型、门架型、交叉型等，这些额外的支撑构件一方面增加了阻尼器安装施工工序和时间，且浪费了材料；另一方面钢支撑安装于结构中，虽增加了抗侧刚度，但对结构也易产生附加内力。Most of the dampers currently developed are generally connected to the main structure through steel supports. The support structures mainly include oblique bar type, herringbone type, gantry type, cross type, etc. These additional support members increase the damper installation on the one hand. Construction procedures and time are wasted, and materials are wasted; on the other hand, steel supports are installed in the structure, although the lateral stiffness is increased, but it is also easy to generate additional internal forces on the structure.
发明内容Contents of the invention
本发明实施例的目的在于提供一种装配式结构的阻尼器,以解决现有装配式结构节点连接复杂及节点耗能能力差的问题。The purpose of the embodiments of the present invention is to provide a damper with a prefabricated structure to solve the problems of complex node connections and poor energy dissipation capacity of the nodes in the existing prefabricated structure.
为了达到上述目的，本发明实施例提供了一种装配式结构的阻尼器，包括：In order to achieve the above purpose, an embodiment of the present invention provides a damper with an assembled structure, including:
第一夹板模块，包括第一连接板和多个第一夹板，多个所述第一夹板间隔固定在所述第一连接板的一侧，所述第一连接板的另一侧用于与梁结构固定连接；The first clamping plate module includes a first connecting plate and a plurality of first clamping plates, and the plurality of first clamping plates are fixed on one side of the first connecting plate at intervals, and the other side of the first connecting plate is used to communicate with the first connecting plate. Beam structure fixed connection;
第二夹板模块，包括第二连接板和多个第二夹板，多个所述第二夹板间隔固定在所述第二连接板的一侧，所述第二连接板的另一侧用于与柱或墙固定连接；The second clamping plate module includes a second connecting plate and a plurality of second clamping plates, and a plurality of the second clamping plates are fixed on one side of the second connecting plate at intervals, and the other side of the second connecting plate is used to communicate with the second connecting plate. column or wall fixed connection;
阻尼棒模块，贯穿并固定在多个所述第一夹板及第二夹板上；The damping rod module penetrates and is fixed on a plurality of the first splints and the second splints;
销钉模块，贯穿并固定在多个所述第一夹板及第二夹板上；The pin module penetrates and is fixed on a plurality of the first splints and the second splints;
其中，至少一个所述第一夹板固定在相邻两个所述第二夹板之间。Wherein, at least one first splint is fixed between two adjacent second splints.
进一步地，相邻两个所述第一夹板之间只有一个第二夹板，相邻两个所述第二夹板之间只有一个第一夹板。Further, there is only one second splint between two adjacent first splints, and there is only one first splint between two adjacent second splints.
进一步地，所述第一夹板的数量比第二夹板少一个或多一个，当所述第一夹板的数量比第二夹板的数量少一个时，任意相邻两个所述第二夹板之间设置一个所述第一夹板；当所述第一夹板的数量比第二夹板的数量多一个时，任意相邻两个所述第一夹板之间设置一个所述第二夹板。Further, the number of the first splint is one less than the second splint or one more, when the number of the first splint is one less than the number of the second splint, any adjacent two of the second splints One first splint is provided; when the number of the first splint is one more than the number of the second splint, one second splint is arranged between any two adjacent first splints.
进一步地，多个所述第一平板相互平行，多个所述第二平板相互平行，所述第一平板和第二平板平行设置。Further, the multiple first flat plates are parallel to each other, the multiple second flat plates are parallel to each other, and the first flat plates and the second flat plates are arranged in parallel.
进一步地，所述第一平板垂直于所述第一连接板，所述第二平板垂直于所述第二连接板。Further, the first flat plate is perpendicular to the first connecting plate, and the second flat plate is perpendicular to the second connecting plate.
进一步地，所述阻尼棒模块包括阻尼棒和第一封头螺母，所述阻尼棒贯穿并固定在所述第一夹板及第二夹板上，所述第一封头螺母螺纹连接在所述阻尼棒上，所述销钉模块包括钢棒和第二封头螺母，所述钢棒贯穿并固定在多个所述第一夹板及第二夹板上，所述第二封头螺母螺纹连接在所述钢棒上。Further, the damping rod module includes a damping rod and a first head nut, the damping rod penetrates and is fixed on the first clamping plate and the second clamping plate, and the first sealing head nut is threaded on the damping rod On the rod, the pin module includes a steel rod and a second head nut, the steel rod penetrates and is fixed on a plurality of the first clamping plates and the second clamping plates, and the second head nut is threaded on the Gangbang on.
进一步地，所述阻尼棒的数量为多个，至少一个所述阻尼棒的直径不同于其他阻尼棒。Further, there are multiple damping rods, and at least one of the damping rods has a different diameter than other damping rods.
进一步地，所述阻尼棒模块的数量为多个，所述销钉模块的数量为一个，以所述销钉模块为中心的同心圆上设置有直径相同的所述阻尼棒模块，所述同心圆的数量为多个，半径小的同心圆处设置的阻尼棒的直径小于半径大的同心圆处设置的阻尼棒的直径。Further, the number of the damping rod modules is multiple, the number of the pin module is one, and the damping rod modules with the same diameter are arranged on the concentric circle centered on the pin module, and the concentric circles The number is multiple, and the diameter of the damping rods arranged at the concentric circles with a small radius is smaller than the diameter of the damping rods arranged at the concentric circles with a larger radius.
进一步地，所述销钉模块还包括垫片，所述垫片设置在所述第一夹板和第二夹板之间，并分别与所述第一夹板及第二夹板接触。Further, the pin module further includes a gasket, the gasket is arranged between the first clamping plate and the second clamping plate, and is in contact with the first clamping plate and the second clamping plate respectively.
进一步地，所述第一连接板为钢板，所述第一连接板用于与钢结构梁或预埋有端部型钢的混凝土梁中的型钢固定连接，所述第二连接板为钢板，所述第二连接板用于与柱或墙中的预埋件固定连接。Further, the first connecting plate is a steel plate, and the first connecting plate is used for fixed connection with the steel structure beam or the steel in the concrete beam embedded with the end steel, and the second connecting plate is a steel plate, so The second connecting plate is used for fixed connection with the column or the embedded part in the wall.
本发明实施例提供了一种装配式结构的阻尼器，该装置一方面取消了传统阻尼器中的附属支撑杆件，阻尼器安装在梁柱或者梁墙节点处，体积较小，使用灵活，操作简单，适合工厂大批量生产，节省成本；另一方面，可以保证节点在小震下处于弹性刚接，大震下进入塑性变刚度连接，同时由于阻尼耗能作用的发挥，使得结构所受地震力得以减小，保护主体结构安全。The embodiment of the present invention provides a damper with a prefabricated structure. On the one hand, the device cancels the auxiliary supporting rods in the traditional damper. The damper is installed at the joint of the beam column or the beam wall, which is small in size and flexible in use. It is easy to operate, suitable for mass production in factories, and saves costs; on the other hand, it can ensure that the joints are elastically rigidly connected under small earthquakes, and enter plastic variable stiffness connections under large earthquakes. Seismic force can be reduced to protect the safety of the main structure.
附图说明Description of drawings
图1为本发明实施例提供的阻尼器的结构示意图；Fig. 1 is the structural representation of the damper provided by the embodiment of the present invention;
图2为本发明实施例提供的第一夹板模块的立体图；2 is a perspective view of a first splint module provided by an embodiment of the present invention;
图3为本发明实施例提供的第一夹板模块的主视图；Fig. 3 is the front view of the first splint module provided by the embodiment of the present invention;
图4为本发明实施例提供的第一夹板模块的俯视图；4 is a top view of the first splint module provided by the embodiment of the present invention;
图5为本发明实施例提供的第一夹板模块的侧视图；Fig. 5 is a side view of the first splint module provided by the embodiment of the present invention;
图6为本发明实施例提供的第二夹板模块的立体图；6 is a perspective view of a second splint module provided by an embodiment of the present invention;
图7为本发明实施例提供的第二夹板模块的主视图；Fig. 7 is the front view of the second splint module provided by the embodiment of the present invention;
图8为本发明实施例提供的第二夹板模块的俯视图；Fig. 8 is a top view of the second splint module provided by the embodiment of the present invention;
图9为本发明实施例提供的第二夹板模块的侧视图；Fig. 9 is a side view of a second splint module provided by an embodiment of the present invention;
图10为本发明实施例提供的阻尼棒模块的立体图；Fig. 10 is a perspective view of a damping rod module provided by an embodiment of the present invention;
图11为本发明实施例提供的阻尼棒模块的俯视图；Fig. 11 is a top view of the damping rod module provided by the embodiment of the present invention;
图12为本发明实施例提供的阻尼棒模块的侧视图；Fig. 12 is a side view of the damping rod module provided by the embodiment of the present invention;
图13为本发明实施例提供的销钉模块的立体图；Fig. 13 is a perspective view of a pin module provided by an embodiment of the present invention;
图14为本发明实施例提供的销钉模块的主视图；Fig. 14 is the front view of the pin module provided by the embodiment of the present invention;
图15为本发明实施例提供的销钉模块的俯视图；Fig. 15 is a top view of the pin module provided by the embodiment of the present invention;
图16为本发明实施例提供的销钉模块的侧视图；Fig. 16 is a side view of the pin module provided by the embodiment of the present invention;
图17为采用本发明实施例提供的阻尼器的建筑结构的立体图。Fig. 17 is a perspective view of a building structure using the damper provided by the embodiment of the present invention.
图中，100：阻尼器，101：框架梁，102：框架柱，103：剪力墙，1：第一夹板模块，11：第一连接板，12：第一夹板，2：第二夹板模块，21：第二连接板，22：第二夹板，3：阻尼棒模块，4：销钉模块，41：钢棒，42：垫片。In the figure, 100: damper, 101: frame beam, 102: frame column, 103: shear wall, 1: first plywood module, 11: first connecting plate, 12: first plywood, 2: second plywood module , 21: second connecting plate, 22: second splint, 3: damping rod module, 4: pin module, 41: steel rod, 42: spacer.
具体实施方式detailed description
下面将结合示意图对本发明的具体实施方式进行更详细的描述。根据下列描述和权利要求书，本发明的优点和特征将更清楚。需说明的是，附图均采用非常简化的形式且均使用非精准的比例，仅用以方便、明晰地辅助说明本发明实施例的目的。The specific implementation manner of the present invention will be described in more detail below with reference to schematic diagrams. Advantages and features of the present invention will be apparent from the following description and claims. It should be noted that all the drawings are in a very simplified form and use imprecise scales, and are only used to facilitate and clearly assist the purpose of illustrating the embodiments of the present invention.
请参考图1～17，本发明实施例提供了一种装配式结构的阻尼器100，包括：Please refer to Figures 1-17, an embodiment of the present invention provides a damper 100 with an assembled structure, including:
第一夹板模块1，包括第一连接板11和多个第一夹板12，多个所述第一夹板12间隔固定在所述第一连接板11的一侧，所述第一连接板11的另一侧用于与梁结构固定连接；The first clamping plate module 1 includes a first connecting plate 11 and a plurality of first clamping plates 12, and a plurality of the first clamping plates 12 are fixed on one side of the first connecting plate 11 at intervals, and the first connecting plate 11 The other side is used for fixed connection with the beam structure;
第二夹板模块2，包括第二连接板21和多个第二夹板22，多个所述第二夹板22间隔固定在所述第二连接板21的一侧，所述第二连接板21的另一侧用于与柱或墙固定连接；The second clamping plate module 2 includes a second connecting plate 21 and a plurality of second clamping plates 22, and a plurality of the second clamping plates 22 are fixed on one side of the second connecting plate 21 at intervals, and the second connecting plate 21 The other side is used for fixed connection with column or wall;
阻尼棒模块3，贯穿并固定在多个所述第一夹板12及第二夹板22上；The damping rod module 3 penetrates and is fixed on a plurality of the first splints 12 and the second splints 22;
销钉模块4，贯穿并固定在多个所述第一夹板12及第二夹板22上；The pin module 4 penetrates and is fixed on a plurality of the first splints 12 and the second splints 22;
其中，至少一个所述第一夹板12固定在相邻两个所述第二夹板22之间。Wherein, at least one first splint 12 is fixed between two adjacent second splints 22 .
本实施例实质提供了一种节点阻尼器(或称节点连接装置)，该节点阻尼器可以安装在梁柱之间，也可以安装在梁墙之间。具体地，请参考图17，可以在框架梁101及框架柱102之间设置该阻尼器100，还可以在框架梁101及剪力墙103之间设置该阻尼器100。This embodiment essentially provides a node damper (or called a node connection device), which can be installed between beams and columns, or between beams and walls. Specifically, referring to FIG. 17 , the damper 100 can be set between the frame beam 101 and the frame column 102 , and the damper 100 can also be set between the frame beam 101 and the shear wall 103 .
此外，在现有技术中，建筑结构中门窗的布置极大的受限，占用了过多的建筑空间，影响了结构的使用功能，给人空间上的压抑感，有碍建筑美观。而本发明实施例提供的阻尼器100可以安装于结构梁端部的隐蔽位置，既不影响建筑门窗布置，也无需占用过多的建筑空间，不会造成空间压抑感和影响建筑美观。In addition, in the prior art, the arrangement of doors and windows in the building structure is extremely limited, occupying too much building space, affecting the use function of the structure, giving people a sense of depression in space, and hindering the beauty of the building. However, the damper 100 provided by the embodiment of the present invention can be installed in a hidden position at the end of the structural beam, which does not affect the layout of building doors and windows, and does not need to occupy too much building space, which will not cause space depression and affect the appearance of the building.
进一步地，相邻两个所述第一夹板12之间只有一个第二夹板22，相邻两个所述第二夹板22之间只有一个第一夹板12。Further, there is only one second splint 22 between two adjacent first splints 12 , and there is only one first splint 12 between two adjacent second splints 22 .
优选地，所述第一夹板12的数量比第二夹板22少一个或多一个，当所述第一夹板12的数量比第二夹板22的数量少一个时，任意相邻两个所述第二夹板22之间设置一个所述第一夹板12；当所述第一夹板12的数量比第二夹板22的数量多一个时，任意相邻两个所述第一夹板12之间设置一个所述第二夹板22。Preferably, the number of the first splint 12 is one less than the second splint 22 or one more. When the number of the first splint 12 is one less than the number of the second splint 22, any adjacent two of the first splints One said first splint 12 is set between two splints 22; Describe the second splint 22.
在本实施例中，请继续参考图1，第一夹板12的数量比第二夹板22的数量少一个，例如，第一夹板12的数量为3个，第二夹板22的数量为4个，第一夹板12交错设置在第二夹板22的内部。In this embodiment, please continue to refer to FIG. 1, the number of the first splint 12 is one less than the number of the second splint 22, for example, the number of the first splint 12 is 3, and the number of the second splint 22 is 4, The first splints 12 are staggered inside the second splints 22 .
优选地，多个所述第一平板12相互平行，多个所述第二平板22相互平行，所述第一平板12和第二平板22平行设置。在本实施例中，所述第一平板12垂直于所述第一连接板11，所述第二平板22垂直于所述第二连接板21。Preferably, the multiple first flat plates 12 are parallel to each other, the multiple second flat plates 22 are parallel to each other, and the first flat plates 12 and the second flat plates 22 are arranged in parallel. In this embodiment, the first flat plate 12 is perpendicular to the first connecting plate 11 , and the second flat plate 22 is perpendicular to the second connecting plate 21 .
请参考图10～16，所述阻尼棒模块3包括阻尼棒和第一封头螺母，所述阻尼棒贯穿并固定在所述第一夹板12及第二夹板22上，所述第一封头螺母螺纹连接在所述阻尼棒上，所述销钉模块包括钢棒41和第二封头螺母(未图示)，所述钢棒贯穿并固定在多个所述第一夹板12及第二夹板22上，所述第二封头螺母螺纹连接在所述钢棒41上。Please refer to Figures 10-16, the damping rod module 3 includes a damping rod and a first head nut, the damping rod penetrates and is fixed on the first splint 12 and the second splint 22, the first head Nuts are threaded on the damping rods, the pin module includes a steel rod 41 and a second head nut (not shown), the steel rod penetrates and is fixed on a plurality of the first splints 12 and the second splints 22 , the second head nut is threadedly connected to the steel rod 41 .
进一步地，所述阻尼棒的数量为多个，至少一个所述阻尼棒的直径不同于其他阻尼棒。Further, there are multiple damping rods, and at least one of the damping rods has a different diameter than other damping rods.
优选地，所述阻尼棒模块3的数量为多个，所述销钉模块4的数量为一个，以所述销钉模块4为中心的同心圆上设置有直径相同的所述阻尼棒模块3，所述同心圆的数量为多个，半径小的同心圆处设置的阻尼棒的直径小于半径大的同心圆处设置的阻尼棒的直径。Preferably, the number of the damping rod modules 3 is multiple, the number of the pin module 4 is one, and the damping rod modules 3 with the same diameter are arranged on the concentric circle centered on the pin module 4, so There are multiple concentric circles, and the diameter of the damping rods arranged at the concentric circles with a small radius is smaller than the diameter of the damping rods arranged at the concentric circles with a larger radius.
优选地，所述销钉模块4还包括垫片42，所述垫片42设置在所述第一夹板12和第二夹板22之间，并分别与所述第一夹板12及第二夹板22接触。Preferably, the pin module 4 further includes a gasket 42, the gasket 42 is arranged between the first clamping plate 12 and the second clamping plate 22, and is in contact with the first clamping plate 12 and the second clamping plate 22 respectively .
在本实施例中，所述阻尼棒模块3包括一系列不同直径、相同长度，屈服强度100MPa～225MPa之间的阻尼棒以及第一封头螺母，该阻尼棒穿过第一夹板12及第二夹板22的预留孔；所述销钉模块包括一根屈服强度不低于235MPa的钢棒、垫片以及第二封头螺母，该钢棒将穿过第一夹板12及第二夹板22的销钉孔，并有一列垫片垫放于第一夹板12及第二夹板22之间。In this embodiment, the damping rod module 3 includes a series of damping rods with different diameters and the same length, with a yield strength between 100MPa and 225MPa and first head nuts. The damping rods pass through the first splint 12 and the second The reserved hole of the splint 22; the pin module includes a steel rod with a yield strength of not less than 235MPa, a gasket and a second head nut, and the steel rod will pass through the pins of the first splint 12 and the second splint 22 holes, and a row of spacers are placed between the first splint 12 and the second splint 22 .
在本实施例中，所述第一连接板12为钢板，所述第一连接板12用于与钢结构梁或预埋有端部型钢的混凝土梁中的型钢固定连接，所述第二连接板22为钢板，所述第二连接板22用于与柱或墙中的预埋件固定连接。In this embodiment, the first connecting plate 12 is a steel plate, and the first connecting plate 12 is used for fixed connection with steel structure beams or concrete beams embedded with end section steels, and the second connection The plate 22 is a steel plate, and the second connecting plate 22 is used for fixed connection with the embedded parts in the columns or walls.
通过设置本发明实施例提供的节点阻尼器，可以代替传统节点复杂的钢筋连接，使节点区的连接构造大大简化，减小预制构件生产、施工装配的难度。梁柱、梁墙节点处的弯矩由第一夹板12及第二夹板22共同承担，剪力由该钢棒承担。By setting the node damper provided by the embodiment of the present invention, it can replace the complicated steel bar connection of the traditional node, greatly simplify the connection structure of the node area, and reduce the difficulty of prefabricated component production and construction assembly. The bending moments at the beam-column and beam-wall joints are jointly borne by the first splint 12 and the second splint 22, and the shear force is borne by the steel bar.
该阻尼器可直接安装于结构梁柱、梁墙节点区，避免了使用其它附属安装及支撑杆件，只需在预制构件(预制柱、预制梁、预制墙)制作时放置预埋件，连接阻尼器的预埋件能在预制构件制作过程中精准的预埋其中，安装时将阻尼器的连接钢板通过螺栓与预制构件连接，保证阻尼器安装精度。传统的装配式混凝土结构在施工过程中，梁下会设置很多支撑，影响施工速度。采用本发明实施例提供的阻尼器，梁下可以免去支撑。在施工过程中，阻尼器一侧的端板连接钢板与框架柱或剪力墙的预埋件连接，无需设置支撑。然后吊装预制框架梁，将预制梁搁置在阻尼器的另一侧的端板上并用螺栓与预制梁的预埋件固定，此时阻尼器作为梁的临时支撑，这样可以免去传统支撑系统，减少施工工序和时间，避免材料浪费，节省工期和造价。The damper can be directly installed in the structural beam-column, beam-wall node area, avoiding the use of other auxiliary installation and supporting rods, and only needs to place embedded parts when making prefabricated components (prefabricated columns, prefabricated beams, prefabricated walls) and connect them. The embedded parts of the damper can be accurately embedded in the prefabricated component manufacturing process. During installation, the connecting steel plate of the damper is connected to the prefabricated component through bolts to ensure the installation accuracy of the damper. During the construction process of traditional prefabricated concrete structures, many supports will be set under the beams, which will affect the construction speed. By adopting the damper provided by the embodiment of the present invention, the support under the beam can be omitted. During the construction process, the steel plate connecting the end plate on one side of the damper is connected with the frame column or the embedded part of the shear wall, without setting support. Then hoist the prefabricated frame beam, place the prefabricated beam on the end plate on the other side of the damper and fix it with the embedded parts of the prefabricated beam with bolts. At this time, the damper acts as a temporary support for the beam, which can eliminate the traditional support system. Reduce construction procedures and time, avoid material waste, save construction period and cost.
在小震下该阻尼器变形较小，处于弹性刚接，阻尼器只提供刚度，不提供阻尼，阻尼棒不发挥耗能作用。当地震作用达到大震时，阻尼器进入塑性，刚度退化，同时阻尼器发挥耗能作用，使得结构所受地震力得以减小，保护主体结构安全。地震作用下装配式混凝土结构侧移变形使得梁柱、梁墙节点区产生相对转动位移，带动节点阻尼器软钢阻尼棒产生剪切滞回变形，这成为保护结构节点区第一道抗震防线，从而减小结构的侧移及层间位移角，有效地保护梁柱、梁墙节点。该节点阻尼器通过连接梁端指夹板、柱(墙)端指夹板、软钢阻尼棒与结构预埋件或者后锚固的连接部件固定连接形成耗能减震体系，阻尼棒固定在第一夹板和第二夹板之间，第一、第二夹板产生相对位移来带动阻尼棒剪切变形耗能，第一、第二夹板本身不参与变形耗能。在多遇地震水准下该新型节点阻尼器为结构提供一定的刚度，减小结构的侧向变形，不提供阻尼；在基本烈度、罕遇地震水准下实现耗能机制，发挥消能减震的作用，从而保护其他主要受力构件。阻尼器既能提高预制装配式混凝土结构连接节点的耗能能力，控制节点位置梁的开裂，又能耗散能量保护主体结构，提高整体结构的抗震性能，避免结构在地震中产生严重破坏或倒塌，实现构件与整体结构抗震性能提高的“双赢”效果。Under small earthquakes, the damper deforms less and is in an elastic rigid connection. The damper only provides stiffness without damping, and the damping rod does not play an energy-dissipating role. When the earthquake action reaches a large earthquake, the damper enters plasticity and the stiffness degrades. At the same time, the damper plays an energy-dissipating role, which reduces the seismic force on the structure and protects the safety of the main structure. Under the action of the earthquake, the lateral displacement deformation of the prefabricated concrete structure causes the relative rotational displacement of the beam-column and beam-wall joint areas, which drives the joint damper mild steel damping rods to produce shear hysteretic deformation, which becomes the first anti-seismic defense line of the protective structure joint area. Thereby reducing the lateral displacement of the structure and the displacement angle between floors, and effectively protecting the beam-column and beam-wall joints. The node damper forms an energy-dissipating and shock-absorbing system by connecting beam end finger splints, column (wall) end finger splints, mild steel damping rods, and structural embedded parts or post-anchored connecting parts. The damping rods are fixed on the first splint. Between the first and second splints, the first and second splints generate relative displacement to drive the damping rod to shear and deform to consume energy, and the first and second splints themselves do not participate in deformation energy consumption. Under the frequent earthquake level, the new node damper provides a certain stiffness for the structure, reduces the lateral deformation of the structure, and does not provide damping; realizes the energy dissipation mechanism under the basic intensity and rare earthquake level, and plays the role of energy dissipation and shock absorption function, thereby protecting other main stress components. The damper can not only improve the energy dissipation capacity of the connection nodes of the prefabricated concrete structure, control the cracking of the beam at the node position, but also dissipate energy to protect the main structure, improve the seismic performance of the overall structure, and avoid serious damage or collapse of the structure in the earthquake , to achieve a "win-win" effect of improving the seismic performance of the components and the overall structure.
本发明实施例提供了一种装配式结构的阻尼器，该装置一方面取消了传统阻尼器中的附属支撑杆件，阻尼器安装在梁柱或者梁墙节点处，体积较小，使用灵活，操作简单，适合工厂大批量生产，节省成本；另一方面，可以保证节点在小震下处于弹性刚接，大震下进入塑性变刚度连接，同时由于阻尼耗能作用的发挥，使得结构所受地震力得以减小，保护主体结构安全。The embodiment of the present invention provides a damper with a prefabricated structure. On the one hand, the device cancels the auxiliary supporting rods in the traditional damper. The damper is installed at the joint of the beam column or the beam wall, which is small in size and flexible in use. It is easy to operate, suitable for mass production in factories, and saves costs; on the other hand, it can ensure that the joints are elastically rigidly connected under small earthquakes, and enter plastic variable stiffness connections under large earthquakes. Seismic force can be reduced to protect the safety of the main structure.
上述仅为本发明的优选实施例而已，并不对本发明起到任何限制作用。任何所属技术领域的技术人员，在不脱离本发明的技术方案的范围内，对本发明揭露的技术方案和技术内容做任何形式的等同替换或修改等变动，均属未脱离本发明的技术方案的内容，仍属于本发明的保护范围之内。The foregoing are only preferred embodiments of the present invention, and do not limit the present invention in any way. Any person skilled in the technical field, within the scope of the technical solution of the present invention, makes any form of equivalent replacement or modification to the technical solution and technical content disclosed in the present invention, which does not depart from the technical solution of the present invention. The content still belongs to the protection scope of the present invention.
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