CN104674944A - Novel recoverable functional frame-supporting structure system - Google Patents
Novel recoverable functional frame-supporting structure system Download PDFInfo
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- 239000004567 concrete Substances 0.000 claims description 6
- 239000011150 reinforced concrete Substances 0.000 claims description 6
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- 239000002131 composite material Substances 0.000 claims description 3
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Abstract
本发明是一种新型可恢复功能框架-支撑结构体系，属于抗震结构体系领域。它主要由框架柱、框架梁、倒V形支撑、可更换耗能构件、平台梁、自复位耗能隅撑、高强预应力拉索和阻尼器组成，倒V形支撑的上端安装平台梁，下端安装在梁柱节点，可更换耗能构件安装在框架梁与平台梁之间，自复位耗能隅撑安装在每层框架顶部的角部位置，框架柱和基础之间断开，高强预应力拉索的上端锚固在框架柱，下端锚固在基础，框架柱和基础之间设置阻尼器。本发明概念清晰，施工方便，能够在强震时有效保护主要结构构件的安全，同时有利于震后对受损的构件修复更换，可广泛应用于高烈度地震区的重要建筑结构中。
The invention is a novel recoverable functional frame-support structure system, which belongs to the field of anti-seismic structure system. It is mainly composed of frame columns, frame beams, inverted V-shaped supports, replaceable energy-dissipating components, platform beams, self-resetting energy-dissipating corner braces, high-strength prestressed cables and dampers. The upper end of the inverted V-shaped supports is installed with platform beams. The lower end is installed at the beam-column joint, replaceable energy-dissipating components are installed between the frame beam and the platform beam, self-resetting energy-dissipating corner braces are installed at the corners of the top of each frame, the frame column and the foundation are disconnected, and high-strength prestressed The upper end of the stay cable is anchored to the frame column, the lower end is anchored to the foundation, and a damper is arranged between the frame column and the foundation. The invention has a clear concept, convenient construction, can effectively protect the safety of main structural components during strong earthquakes, and at the same time facilitates the repair and replacement of damaged components after earthquakes, and can be widely used in important building structures in high-intensity earthquake areas.
Description
技术领域technical field
本发明涉及抗震结构体系领域，特别涉及一种新型可恢复功能框架-支撑结构体系。The invention relates to the field of anti-seismic structural systems, in particular to a novel recoverable functional frame-supporting structural system.
背景技术Background technique
框架-支撑结构是一种有效的抗侧力体系，不仅具有较大的侧向刚度和承载力，而且具有多道抗震防线。但传统的框架-支撑结构在强震时往往会产生较大的残余变形，结构较难修复或代价昂贵。The frame-bracing structure is an effective anti-lateral force system, which not only has large lateral stiffness and bearing capacity, but also has multiple anti-seismic lines. However, the traditional frame-support structure often produces large residual deformation during strong earthquakes, and the structure is difficult or expensive to repair.
因此，研制开发一种能够在强震后快速恢复其正常使用功能的新型框架-支撑结构体系就显得既迫切而且特别有意义。Therefore, it is urgent and particularly meaningful to develop a new type of frame-support structure system that can quickly restore its normal function after a strong earthquake.
发明内容Contents of the invention
为了克服目前已有框架-支撑结构存在的强震后残余变形较大且不易修复的不足之处，本发明提供一种能够在强震后快速恢复其正常使用功能的新型可恢复功能框架-支撑结构体系。In order to overcome the disadvantages of existing frame-support structures such as large residual deformation after strong earthquakes and difficult repairs, the present invention provides a new type of recoverable functional frame-support that can quickly restore its normal function after strong earthquakes structural system.
本发明所采用的技术方案是一种新型可恢复功能框架-支撑结构体系，它主要由框架柱、框架梁、倒V形支撑、可更换耗能构件、平台梁、自复位耗能隅撑、高强预应力拉索和阻尼器组成，所述的倒V形支撑的上端安装平台梁，下端安装在梁柱节点，可更换耗能构件安装在框架梁与平台梁之间，所述的自复位耗能隅撑安装在每层框架顶部的角部位置，所述的框架柱和基础之间断开，高强预应力拉索的上端锚固在框架柱，下端锚固在基础，所述的框架柱和基础之间设置阻尼器。The technical solution adopted in the present invention is a new type of recoverable functional frame-support structure system, which is mainly composed of frame columns, frame beams, inverted V-shaped supports, replaceable energy-consuming components, platform beams, self-resetting energy-consuming corner braces, Composed of high-strength prestressed cables and dampers, the upper end of the inverted V-shaped support is installed on the platform beam, and the lower end is installed on the beam-column node. Replaceable energy-dissipating components are installed between the frame beam and the platform beam. The self-resetting The energy-dissipating corner braces are installed at the corners of the top of each frame, and the frame columns are disconnected from the foundation. between dampers.
所述的可更换耗能构件为金属耗能部件或黏弹性阻尼耗能部件或摩擦阻尼耗能部件或复合阻尼耗能部件。The replaceable energy-dissipating component is a metal energy-dissipating component or a viscoelastic damping energy-dissipating component or a frictional damping energy-dissipating component or a composite damping energy-dissipating component.
所述的框架柱为钢筋混凝土柱或钢管混凝土柱或钢柱。The frame column is a reinforced concrete column or a steel tube concrete column or a steel column.
所述的框架梁为钢筋混凝土梁或钢管混凝土梁或钢梁。The frame beams are reinforced concrete beams, steel pipe concrete beams or steel beams.
所述的自复位耗能隅撑是以形状记忆合金为内芯的防屈曲耗能支撑。The self-resetting energy-dissipating corner brace is an anti-buckling energy-dissipating support with a shape memory alloy as the inner core.
所述的倒V形支撑是钢支撑或防屈曲耗能支撑。The inverted V-shaped supports are steel supports or anti-buckling energy-dissipating supports.
所述的阻尼器是钢阻尼器或粘滞流体阻尼器或摩擦阻尼器或防屈曲耗能部件或黏弹性阻尼器。The damper is a steel damper or a viscous fluid damper or a friction damper or an anti-buckling energy dissipation component or a viscoelastic damper.
所述的新型可恢复功能框架-支撑结构体系的组成构件可以在工厂预制，运到现场后安装。The components of the novel recoverable functional frame-supporting structure system can be prefabricated in a factory, transported to the site and then installed.
本发明具有如下显著优点：The present invention has following remarkable advantages:
(1)能够有效减轻框架-支撑结构的破坏。相比目前已有的上部结构与基础完全固定的框架-支撑结构，本发明通过结构在强震时的受控摇摆可以有效减轻框架和支撑的破坏。(1) It can effectively reduce the damage of the frame-support structure. Compared with the existing frame-support structure in which the superstructure and the foundation are completely fixed, the present invention can effectively reduce the damage of the frame and support through the controlled swing of the structure during strong earthquakes.
(2)有利于框架-支撑结构的震后修复或更换。本发明将耗能和损伤主要集中在可更换耗能构件和阻尼器，有利于强震后对可更换耗能构件和阻尼器进行修复或更换。(2) It is beneficial to the post-earthquake repair or replacement of the frame-support structure. The invention mainly concentrates energy consumption and damage on the replaceable energy consumption component and the damper, which is beneficial to repair or replace the replaceable energy consumption component and the damper after a strong earthquake.
(3)震后残余变形小。本发明通过设置在结构中的高强预应力拉索可以对结构提供自复位能力，有效减小框架-支撑结构的震后残余变形。(3) The residual deformation after the earthquake is small. The invention can provide the structure with self-resetting ability through the high-strength prestressed cables arranged in the structure, and effectively reduce the post-earthquake residual deformation of the frame-support structure.
本发明可用于高烈度地震区的重要建筑结构中，不仅能够有效减轻框架-支撑结构主要受力构件的破坏，而且具有较好的自复位能力，震后残余变形小，施工方便，造价合理，具有良好的应用前景。The invention can be used in important building structures in high-intensity earthquake areas, not only can effectively reduce the damage of the main stress-bearing members of the frame-support structure, but also has good self-resetting ability, small residual deformation after the earthquake, convenient construction, and reasonable cost. It has a good application prospect.
附图说明Description of drawings
附图为本发明实施例的结构示意图。Accompanying drawing is the structural representation of the embodiment of the present invention.
附图中数字含义如下：The meanings of the numbers in the accompanying drawings are as follows:
1-框架柱；2-框架梁；3-倒V形支撑；4-可更换耗能构件；5-平台梁；6-自复位耗能隅撑；7-高强预应力拉索；8-阻尼器；9-基础。1-frame column; 2-frame beam; 3-inverted V-shaped support; 4-replaceable energy-dissipating component; 5-platform beam; 6-self-resetting energy-dissipating corner brace; 7-high-strength prestressed cable; device; 9-foundation.
具体实施方式Detailed ways
以下结合附图对本发明作进一步详细的说明。The present invention will be described in further detail below in conjunction with the accompanying drawings.
如附图所示，本发明是一种新型可恢复功能框架-支撑结构体系，它主要由框架柱1、框架梁2、倒V形支撑3、可更换耗能构件4、平台梁5、自复位耗能隅撑6、高强预应力拉索7和阻尼器8组成，所述的倒V形支撑3的上端安装平台梁5，下端安装在梁柱节点，可更换耗能构件4安装在框架梁2与平台梁5之间，所述的自复位耗能隅撑6安装在每层框架顶部的角部位置，所述的框架柱1和基础9之间断开，高强预应力拉索7的上端锚固在框架柱1，下端锚固在基础9，所述的框架柱1和基础9之间设置阻尼器8。As shown in the accompanying drawings, the present invention is a new type of recoverable functional frame-support structure system, which mainly consists of frame columns 1, frame beams 2, inverted V-shaped supports 3, replaceable energy-consuming components 4, platform beams 5, automatic It is composed of reset energy-dissipating corner brace 6, high-strength prestressed cable 7 and damper 8. The upper end of the inverted V-shaped support 3 is installed on the platform beam 5, and the lower end is installed on the beam-column node. The replaceable energy-dissipating member 4 is installed on the frame Between the beam 2 and the platform beam 5, the self-resetting energy-dissipating corner brace 6 is installed at the corner position on the top of each frame, the frame column 1 and the foundation 9 are disconnected, and the high-strength prestressed cable 7 The upper end is anchored to the frame column 1, the lower end is anchored to the foundation 9, and a damper 8 is arranged between the frame column 1 and the foundation 9.
所述的可更换耗能构件4为金属耗能部件或黏弹性阻尼耗能部件或摩擦阻尼耗能部件或复合阻尼耗能部件。The replaceable energy-dissipating component 4 is a metal energy-dissipating component or a viscoelastic damping energy-dissipating component or a frictional damping energy-dissipating component or a composite damping energy-dissipating component.
所述的框架柱1为钢筋混凝土柱或钢管混凝土柱或钢柱。The frame column 1 is a reinforced concrete column or a steel tube concrete column or a steel column.
所述的框架梁2为钢筋混凝土梁或钢管混凝土梁或钢梁。The frame beam 2 is a reinforced concrete beam or a steel pipe concrete beam or a steel beam.
所述的自复位耗能隅撑6是以形状记忆合金为内芯的防屈曲耗能支撑。The self-resetting energy-dissipating corner brace 6 is an anti-buckling energy-dissipating support with a shape memory alloy as the inner core.
所述的倒V形支撑3是钢支撑或防屈曲耗能支撑。The inverted V-shaped support 3 is a steel support or a buckling-resistant energy-dissipating support.
所述的阻尼器8是钢阻尼器或粘滞流体阻尼器或摩擦阻尼器或防屈曲耗能部件或黏弹性阻尼器。The damper 8 is a steel damper or a viscous fluid damper or a friction damper or an anti-buckling energy dissipation component or a viscoelastic damper.
所述的新型可恢复功能框架-支撑结构体系的组成构件可以在工厂预制，运到现场后安装。The components of the novel recoverable functional frame-supporting structure system can be prefabricated in a factory, transported to the site and then installed.
本发明不仅能够有效减轻框架-支撑结构的破坏，而且具有较好的自复位能力，震后残余变形小，便于修复更换。本发明概念清晰，施工方便，造价合理，将广泛应用于高烈度地震区的重要建筑结构中。The invention not only can effectively reduce the damage of the frame-support structure, but also has good self-resetting ability, small residual deformation after the earthquake, and is convenient for repair and replacement. The invention has clear concept, convenient construction and reasonable cost, and will be widely used in important building structures in high-intensity earthquake areas.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108643347A (en) * | 2018-04-27 | 2018-10-12 | 长江大学 | Steel reinforced concrete frame-reinforced concrete wall panel Mixed Architecture |
| CN109057090A (en) * | 2018-08-19 | 2018-12-21 | 河南省城乡规划设计研究总院有限公司 | A kind of reinforced concrete sway shear wall with Self-resetting and energy consumption function |
| CN110836032A (en) * | 2019-11-25 | 2020-02-25 | 海南大学 | Swinging self-resetting damper and combined supporting type installation method thereof |
| CN112922210A (en) * | 2021-01-27 | 2021-06-08 | 江苏海洋大学 | Connecting device for self-resetting anti-side frame and floor slab |
| CN115095185A (en) * | 2022-07-27 | 2022-09-23 | 山东大学 | Frame structure with seismic reinforcement |
| CN117722072A (en) * | 2018-08-19 | 2024-03-19 | 郑州大学 | An X-shaped four-chamber damping energy-dissipating and shock-absorbing building frame |
| CN117779985A (en) * | 2018-04-28 | 2024-03-29 | 郑州大学 | A wall frame based on V-shaped damping support and its construction method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108643347A (en) * | 2018-04-27 | 2018-10-12 | 长江大学 | Steel reinforced concrete frame-reinforced concrete wall panel Mixed Architecture |
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| CN112922210A (en) * | 2021-01-27 | 2021-06-08 | 江苏海洋大学 | Connecting device for self-resetting anti-side frame and floor slab |
| CN112922210B (en) * | 2021-01-27 | 2022-01-25 | 江苏海洋大学 | A connection device for self-reset anti-side frame and floor slab |
| CN115095185A (en) * | 2022-07-27 | 2022-09-23 | 山东大学 | Frame structure with seismic reinforcement |
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