CN209509209U - A kind of energy dissipating node of assembled composite structure - Google Patents
A kind of energy dissipating node of assembled composite structure Download PDFInfo
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- CN209509209U CN209509209U CN201821603427.0U CN201821603427U CN209509209U CN 209509209 U CN209509209 U CN 209509209U CN 201821603427 U CN201821603427 U CN 201821603427U CN 209509209 U CN209509209 U CN 209509209U
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- 239000002131 composite material Substances 0.000 title claims abstract description 9
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 47
- 239000010959 steel Substances 0.000 claims abstract description 47
- 239000000835 fiber Substances 0.000 claims abstract description 20
- 239000004575 stone Substances 0.000 claims description 15
- 230000021715 photosynthesis, light harvesting Effects 0.000 claims description 10
- 238000003466 welding Methods 0.000 claims description 5
- 238000010521 absorption reaction Methods 0.000 description 4
- 230000035939 shock Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
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Abstract
Description
技术领域technical field
本实用新型涉及一种耗能节点，具体涉及一种装配式组合结构的消能节点。The utility model relates to an energy-dissipating node, in particular to an energy-dissipating node of an assembled composite structure.
背景技术Background technique
随着我国“绿色建造”的大力推行，越来越多的建筑结构拔地而起，其中装配式结构由于结构体系、施工工艺、节能减排方面优越被广泛应用于各类结构。但是，考虑到结构抗震性问题，其中装配式框架结构体现出来不足。传统的装配式结构，往往通过结构节点梁端出现塑性铰，以此达到消能减震的作用，但是这种做法使得梁柱连接处由于塑性铰的出现使的柱子出现变形，损伤较为严重，震后难以修复。而新型材料的出现将使上述技术问题得到有效的改善。With the vigorous promotion of "green construction" in our country, more and more building structures have sprung up. Among them, prefabricated structures are widely used in various structures due to their advantages in structural system, construction technology, energy saving and emission reduction. However, considering the problem of seismic resistance of the structure, the prefabricated frame structure is insufficient. In traditional prefabricated structures, plastic hinges often appear at the beam ends of the structural nodes to achieve the effect of energy dissipation and shock absorption. However, this method causes deformation of the columns at the joints of beams and columns due to the appearance of plastic hinges, and the damage is more serious. It is difficult to repair after the earthquake. The emergence of new materials will effectively improve the above technical problems.
发明内容：Invention content:
为了克服上述现有技术的不足，本实用新型的目的在于提供了一种装配式结构的消能节点，通过利用新材料SMA丝和髙延性纤维细石混凝土复合组成消能构件，使其开展塑性铰，达到结构消能减震的目的，同时既能震后复位有益于更换。In order to overcome the deficiencies of the prior art above, the purpose of this utility model is to provide an energy-dissipating node of an assembled structure. The energy-dissipating member is composed of new material SMA wire and high-ductility fiber fine stone concrete, so that it can develop plasticity. The hinge can achieve the purpose of energy dissipation and shock absorption of the structure, and at the same time, it can be reset after the earthquake and is beneficial to replacement.
为了达到上述目的，本实用新型采用的技术方案是：In order to achieve the above object, the technical scheme that the utility model adopts is:
一种装配式组合结构的消能节点，包括工字钢柱1和工字钢梁3，工字钢柱1与工字钢梁3之间设置有髙延性纤维细石混凝土5，髙延性纤维细石混凝土5中设置多个平行的预留孔洞8，每个预留孔洞8分别穿入SMA丝6，SMA丝6的两端分别固定连接工字钢柱1翼缘板和工字钢梁3的端部。An energy dissipation node of a prefabricated composite structure, comprising I-shaped steel columns 1 and I-shaped steel beams 3, high-ductility fiber fine stone concrete 5 is arranged between the I-shaped steel columns 1 and I-beams 3, and high-ductility fiber A plurality of parallel reserved holes 8 are set in the fine stone concrete 5, and each reserved hole 8 is respectively penetrated into an SMA wire 6, and the two ends of the SMA wire 6 are respectively fixedly connected to the flange plate of the I-shaped steel column 1 and the I-shaped steel beam 3 ends.
进一步的，所述的工字钢柱1翼缘板上和工字钢梁3的端部分别焊接端板2，髙延性纤维细石混凝土5的两端预埋钢板4，预埋钢板4分别与端板2焊接。Further, the flange plate of the I-shaped steel column 1 and the ends of the I-shaped steel beam 3 are respectively welded to the end plate 2, and the two ends of the high-ductility fiber fine stone concrete 5 are pre-embedded steel plates 4, and the pre-embedded steel plates 4 are respectively Welded with end plate 2.
进一步的，所述的端板2与钢板4的焊接采用全断面围焊。Further, the welding of the end plate 2 and the steel plate 4 adopts full-section surrounding welding.
进一步的，所述的SMA丝6的两端分别通过六角螺栓7与工字钢柱1翼缘板和工字钢梁3的端部沙漠上的端板2连接。Further, the two ends of the SMA wire 6 are respectively connected to the flange plate of the I-shaped steel column 1 and the end plate 2 on the end desert of the I-shaped steel beam 3 through the hexagonal bolts 7 .
本实用新型的有益效果是：The beneficial effects of the utility model are:
在工字钢柱1与工字钢梁3之间装配髙延性纤维细石混凝土5，同时在预留孔洞 8，穿入SMA丝6，施加预拉应变，在SMA丝6与髙延性纤维细石混凝土5的组合体上开展塑性铰，使其进行塑性耗能，达到结构消能减震的目的，同时既能震后复位有益于更换。Assemble the high-ductility fiber fine stone concrete 5 between the I-shaped steel column 1 and the I-shaped steel beam 3, and at the same time, in the reserved hole 8, penetrate the SMA wire 6, apply pre-tensioning strain, and connect the SMA wire 6 and the high-ductility fiber fine Plastic hinges are developed on the combination of stone concrete 5 to make it plastically dissipate energy to achieve the purpose of structural energy dissipation and shock absorption. At the same time, it can be reset after the earthquake and is beneficial to replacement.
附图说明Description of drawings
图1是本实用新型整体结构示意图。Fig. 1 is a schematic diagram of the overall structure of the utility model.
图2是端板和六角螺栓连接示意图。Figure 2 is a schematic diagram of the connection between the end plate and the hexagonal bolt.
图3是预埋钢板与端板焊接示意图。Figure 3 is a schematic diagram of the welding of the embedded steel plate and the end plate.
具体实施方式Detailed ways
下面结合附图和实施例对实用新型作进一步描述。Below in conjunction with accompanying drawing and embodiment the utility model is described further.
参照图1、图2、图3所示，一种装配式组合结构的消能节点，包括工字钢柱1 和工字钢梁3，工字钢柱1翼缘板上和工字钢梁3的端部分别焊接端板2，工字钢柱 1与工字钢梁3之间设置有髙延性纤维细石混凝土5，髙延性纤维细石混凝土5的两端预埋钢板4，预埋钢板4分别与端板2焊接，髙延性纤维细石混凝土5中设置多个平行的预留孔洞8，每个预留孔洞8分别穿入SMA丝6，SMA丝6的两端分别通过六角螺栓7与工字钢柱1翼缘板和工字钢梁3的端部沙漠上的端板2连接。Referring to Fig. 1, Fig. 2 and Fig. 3, an energy dissipation node of a prefabricated composite structure includes an I-shaped steel column 1 and an I-shaped steel beam 3, and the flange plate of the I-shaped steel column 1 and the I-shaped steel beam The ends of 3 are respectively welded with end plates 2, high ductility fiber fine stone concrete 5 is set between the I-shaped steel column 1 and the I-shaped steel beam 3, the two ends of the high ductility fiber fine stone concrete 5 are pre-embedded steel plates 4, and the pre-embedded The steel plate 4 is welded to the end plate 2 respectively, and a plurality of parallel reserved holes 8 are set in the high-ductility fiber fine stone concrete 5, and each reserved hole 8 is respectively inserted into an SMA wire 6, and the two ends of the SMA wire 6 are passed through a hexagonal bolt respectively. 7 is connected with the end plate 2 on the flange plate of the I-shaped steel column 1 and the end desert of the I-shaped steel beam 3.
本实用新型的工作原理为：The working principle of the utility model is:
在地震作用时，工字钢柱1与工字钢梁3之间装配髙延性纤维细石混凝土5，将塑性铰开展域转移到相对减弱的髙延性纤维细石混凝土5上，利用SMA丝6与髙延性纤维细石混凝土5组合体进行消耗地震能量。其中SMA丝6存在既能提高节点初始刚度，又能利用超弹性耗能以及后自复位。达到结构体消能减震的作用，提高结构的抗震性能。During the earthquake, the high ductility fiber fine stone concrete 5 is installed between the I-shaped steel column 1 and the I-shaped steel beam 3, and the plastic hinge expansion area is transferred to the relatively weak high ductility fiber fine stone concrete 5, and the SMA wire 6 Combined with high ductility fiber fine stone concrete 5 to dissipate seismic energy. Among them, the presence of SMA wire 6 can not only improve the initial stiffness of the node, but also utilize superelastic energy dissipation and self-resetting afterward. Achieve the function of energy dissipation and shock absorption of the structure, and improve the seismic performance of the structure.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821603427.0U CN209509209U (en) | 2018-09-29 | 2018-09-29 | A kind of energy dissipating node of assembled composite structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110835954A (en) * | 2019-11-11 | 2020-02-25 | 中冶建设高新工程技术有限责任公司 | A seismic joint for fabricated steel structure |
| CN111852069A (en) * | 2020-08-20 | 2020-10-30 | 西安建筑科技大学 | Concealed Qing-style stigma stigma overhanging eaves and self-reset energy-consuming connection nodes and methods |
-
2018
- 2018-09-29 CN CN201821603427.0U patent/CN209509209U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110835954A (en) * | 2019-11-11 | 2020-02-25 | 中冶建设高新工程技术有限责任公司 | A seismic joint for fabricated steel structure |
| CN111852069A (en) * | 2020-08-20 | 2020-10-30 | 西安建筑科技大学 | Concealed Qing-style stigma stigma overhanging eaves and self-reset energy-consuming connection nodes and methods |
| CN111852069B (en) * | 2020-08-20 | 2024-06-04 | 西安建筑科技大学 | Concealed self-resetting energy consumption connection node and method for bracket arch cornice of clear type column cap department |
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Granted publication date: 20191018 |