CN203296203U - Reinforced-concrete-fitted seismic isolation node and fitted seismic isolation structure with reinforced-concrete-fitted seismic isolation node - Google Patents

Reinforced-concrete-fitted seismic isolation node and fitted seismic isolation structure with reinforced-concrete-fitted seismic isolation node Download PDF

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CN203296203U
CN203296203U CN2013202081555U CN201320208155U CN203296203U CN 203296203 U CN203296203 U CN 203296203U CN 2013202081555 U CN2013202081555 U CN 2013202081555U CN 201320208155 U CN201320208155 U CN 201320208155U CN 203296203 U CN203296203 U CN 203296203U
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seismic isolation
prefabricated
column head
joint
reinforced concrete
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谭平
沈朝勇
匡珍
李文彦
马玉宏
龙耀球
张颖
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Guangzhou University
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Abstract

本实用新型涉及一种钢筋混凝土装配式隔震节点,该钢筋混凝土装配式隔震节点包括预制柱、隔震支座柱头、预制梁;所述预制柱横截面积小于隔震支座柱头的横截面积,并且预制柱固定于隔震支座柱头上端面;所述隔震支座柱头与预制梁之间存在接缝,所述隔震支座柱头与接缝相接的部分呈阶梯状,预制梁与接缝相接的一端设有三角形凹槽剪力键;还包括浇注于接缝内以及预制梁上方的混凝土。该装配式节点可达到与现浇混凝土结构相近的抗震性能,其构件之间连接可靠。本实用新型还涉及一种装配式隔震结构,该装配式隔震结构包括钢筋混凝土装配式隔震节点以及隔震支座,所述隔震支座与隔震支座柱头下端固定相连。

The utility model relates to a reinforced concrete assembly type seismic isolation node, which comprises a prefabricated column, a seismic isolation support column head, and a prefabricated beam; The cross-sectional area, and the prefabricated column is fixed on the upper end surface of the shock-isolation bearing column head; there is a seam between the earthquake-isolation support column head and the prefabricated beam, and the part of the earthquake-isolation support column head and the seam is stepped, The end of the prefabricated beam connected to the joint is provided with a triangular groove shear key; it also includes the concrete poured in the joint and above the prefabricated beam. The prefabricated joint can achieve similar seismic performance to the cast-in-place concrete structure, and the connection between its components is reliable. The utility model also relates to a prefabricated shock-isolation structure, which includes a reinforced concrete prefabricated shock-isolation node and a shock-isolation support, and the shock-isolation support is fixedly connected to the lower end of the column head of the shock-isolation support.

Description

钢筋混凝土装配式隔震节点及带有该节点的装配式隔震结构Reinforced concrete prefabricated seismic-isolation node and prefabricated seismic-isolation structure with this node

技术领域 technical field

本实用新型涉及建筑领域,尤其是涉及一种带隔震支座柱头的钢筋混凝土装配式隔震节点;本实用新型还涉及一种带有该节点的装配式隔震结构。 The utility model relates to the field of construction, in particular to a reinforced concrete assembly type shock-isolation node with a shock-isolation support column head; the utility model also relates to an assembly type shock-isolation structure with the node.

背景技术 Background technique

预制混凝土结构具有节约材料、降低能耗、有利于环境保护、提高建筑质量、缩短施工周期、提高劳动生产率和综合经济效益、促进和建筑产业化等显著优点。目前在欧美发达国家 ,预制混凝土结构已经成为新建建筑的主要形式。预制混凝土结构可分为装配整体式 (后浇整体式 )和全装配式两种形式。在一般情况下,装配整体式预制混凝土结构可以达到现浇混凝土结构相同或近似相同的抗震性能,但问题是如何保障其构件之间的可靠地连接,增强结构的整体性和抗震性能,为此国内外学者和工程技术人员对装配式混凝土结构进行了不懈地研究和探索。 Prefabricated concrete structure has significant advantages such as saving materials, reducing energy consumption, being conducive to environmental protection, improving building quality, shortening construction period, improving labor productivity and comprehensive economic benefits, and promoting and building industrialization. At present, in developed countries in Europe and the United States, prefabricated concrete structures have become the main form of new buildings. Prefabricated concrete structures can be divided into two types: assembly integral type (post-cast integral type) and fully assembled type. In general, the assembled monolithic prefabricated concrete structure can achieve the same or approximately the same seismic performance of the cast-in-place concrete structure, but the problem is how to ensure the reliable connection between its components and enhance the integrity and seismic performance of the structure. Scholars and engineers at home and abroad have made unremitting research and exploration on prefabricated concrete structures.

在现代装配式工业化建筑中应用先进的隔震减震技术,不仅适应了我国住宅商品化程度日益增长的要求,也满足了业主对住宅产品抗震安全不断提高的需要,代表了我国未来住宅建设的重要发展方向之一,具有重要的里程碑意义和广阔的市场前景。 The application of advanced seismic isolation and shock absorption technology in modern prefabricated industrial buildings not only meets the increasing requirements of the commercialization of residential buildings in our country, but also meets the needs of owners for the continuous improvement of seismic safety of residential products, representing the future of residential construction in my country. One of the important development directions, with important milestone significance and broad market prospects.

实用新型内容 Utility model content

本实用新型提供一种钢筋混凝土装配式隔震节点,该装配式节点可达到与现浇混凝土结构相近的抗震性能,其构件之间连接可靠。 The utility model provides a reinforced concrete assembly type shock-isolation node, which can achieve the seismic performance similar to that of a cast-in-place concrete structure, and the connection between its components is reliable.

本实用新型钢筋混凝土装配式隔震节点采取以下技术方案: The utility model reinforced concrete assembly type shock-isolation node adopts the following technical solutions:

一种钢筋混凝土装配式隔震节点,包括预制柱、隔震支座柱头、预制梁;所述预制柱横截面积小于隔震支座柱头的横截面积,并且预制柱固定于隔震支座柱头上端面;所述隔震支座柱头与预制梁之间存在接缝,所述隔震支座柱头与接缝相接的部分呈阶梯状,预制梁与接缝相接的一端设有三角形凹槽剪力键;还包括浇注于接缝内以及预制梁上方的混凝土。 A reinforced concrete assembly type seismic isolation node, comprising a prefabricated column, a seismic isolation support column head, and a prefabricated beam; the cross-sectional area of the prefabricated column is smaller than that of the seismic isolation support column head, and the prefabricated column is fixed on the seismic isolation support The upper end face of the column head; there is a seam between the column head of the seismic isolation bearing and the prefabricated beam, the part of the column head of the seismic isolation bearing connected to the joint is in the shape of a ladder, and the end of the prefabricated beam connected to the joint is provided with a triangular Grooved shear key; also includes concrete poured in joints and over precast beams.

作为本实用新型进一步的改进,所述隔震支座柱头包括与接缝相接的肩部,肩部外端呈阶梯状,肩部下端面与预制梁的下端面位于同一水平面上。 As a further improvement of the utility model, the column head of the shock-isolation support includes a shoulder connected to the seam, the outer end of the shoulder is stepped, and the lower end surface of the shoulder is on the same level as the lower end surface of the prefabricated beam.

作为本实用新型进一步的改进,所述肩部的上端面与隔震支座柱头的上端面位于同一水平面上。 As a further improvement of the utility model, the upper end surface of the shoulder is located on the same level as the upper end surface of the column head of the shock-isolation support.

本实用新型还提供一种装配式隔震结构,所述装配式隔震结构包括上述钢筋混凝土装配式隔震节点以及隔震支座,所述隔震支座与隔震支座柱头下端固定相连。 The utility model also provides a prefabricated seismic isolation structure, the prefabricated seismic isolation structure includes the above-mentioned reinforced concrete prefabricated seismic isolation node and a seismic isolation support, and the seismic isolation support is fixedly connected with the lower end of the column head of the seismic isolation support .

本实用新型钢筋混凝土装配式隔震节点的隔震支座柱头与接缝相接的部分呈阶梯状,预制梁与接缝相接的一端设有三角形凹槽剪力键,那么混凝土浇注于接缝后,也会形成相应的阶梯状部分、三角形凹槽剪力键,这有利于后浇注的混凝土与隔震支座柱头、预制梁之间的结合,使后浇注的混凝土与隔震支座柱头、预制梁之间的连接可靠,同时也加强预制梁的结合端面处的抗剪承载力。而预制梁上方也浇注混凝土,可进一步加强预制梁与后浇注混凝土之间的结合。 The part where the column head of the seismic isolation support of the reinforced concrete assembly type seismic isolation node of the utility model connects with the joint is in the shape of a ladder, and the end of the prefabricated beam connected with the joint is provided with a triangular groove shear key, then the concrete is poured on the joint After the seam, the corresponding stepped part and triangular groove shear key will also be formed, which is beneficial to the combination of the post-cast concrete and the column head of the seismic isolation bearing and the prefabricated beam, so that the post-cast concrete and the seismic isolation bearing The connection between the column head and the prefabricated beam is reliable, and at the same time, the shear bearing capacity at the combined end face of the prefabricated beam is also strengthened. Concrete is also poured above the prefabricated beams, which can further strengthen the combination between the prefabricated beams and the post-cast concrete.

附图说明 Description of drawings

图1为本实用新型钢筋混凝土装配式隔震节点其中一个实施例的结构示意图(未画出钢筋)。 Fig. 1 is a structural schematic diagram of one embodiment of the reinforced concrete prefabricated seismic isolation node of the present invention (reinforcing bars are not drawn).

图2为图1中预制柱的结构示意图。 Fig. 2 is a structural schematic diagram of the prefabricated column in Fig. 1 .

图3为图1中预制梁的结构示意图。 Fig. 3 is a structural schematic diagram of the prefabricated beam in Fig. 1 .

图4为本实用新型装配式隔震结构其中一个实施例的结构示意图。 Fig. 4 is a structural diagram of an embodiment of the prefabricated seismic isolation structure of the present invention.

图中:1-预制柱,2-隔震支座柱头,3-预制梁,4-三角形凹槽剪力键,5-混凝土, 7-第一纵筋,8-第二纵筋,9-隔震支座,10-肩部。 In the figure: 1- prefabricated column, 2- column head of seismic isolation bearing, 3- prefabricated beam, 4- triangular groove shear key, 5- concrete, 7- first longitudinal reinforcement, 8- second longitudinal reinforcement, 9- Shock-isolation bearing, 10-shoulder.

具体实施方式 Detailed ways

为了便于本领域技术人员理解,下面将结合附图以及实施例对本实用新型进行进一步描述。 In order to facilitate the understanding of those skilled in the art, the utility model will be further described below in conjunction with the accompanying drawings and embodiments.

图1至3图所示为本发明钢筋混凝土装配式隔震节点的实施例。 Figures 1 to 3 show the embodiment of the reinforced concrete prefabricated seismic isolation node of the present invention.

如图1所示,该钢筋混凝土装配式隔震节点包括预制柱1、隔震支座柱头2、预制梁3;所述预制柱1横截面积小于隔震支座柱头2的横截面积,预制柱1固定于隔震支座柱头2上端面,并且预制柱1与隔震支座柱头2整体预制成型;所述隔震支座柱头2包括肩部10,所述肩部10外端呈阶梯状;所述肩部10与预制梁3之间存在接缝,所述预制梁3与接缝相连的一端设有三角形凹槽剪力键4,且肩部10的下端面与预制梁3的下端面位于同一水平面上;还包括浇注于接缝内以及预制梁3上方的混凝土5。 As shown in Figure 1, the reinforced concrete prefabricated seismic isolation node includes a prefabricated column 1, a seismic isolation support column head 2, and a prefabricated beam 3; the cross-sectional area of the prefabricated column 1 is smaller than that of the seismic isolation support column head 2, The prefabricated column 1 is fixed on the upper end surface of the seismic isolation bearing column head 2, and the prefabricated column 1 and the seismic isolation bearing column head 2 are integrally prefabricated; the seismic isolation bearing column head 2 includes a shoulder 10, and the outer end of the shoulder 10 is Ladder shape; there is a seam between the shoulder 10 and the prefabricated beam 3, and one end of the prefabricated beam 3 connected to the seam is provided with a triangular groove shear key 4, and the lower end surface of the shoulder 10 is connected to the prefabricated beam 3 The lower end surface of the lower end surface is located on the same horizontal plane; it also includes the concrete 5 poured in the joint and above the prefabricated beam 3 .

如图2所示,所述肩部10的上端面与隔震支座柱头2的上端面位于同一水平面上。所述隔震支座柱头2设有若干纵筋、箍筋、钢筋网片,而且位于肩部10外侧设有外伸的第一纵筋7。 As shown in FIG. 2 , the upper end surface of the shoulder 10 is located on the same level as the upper end surface of the column head 2 of the shock-isolation support. The column head 2 of the shock-isolation support is provided with a number of longitudinal bars, stirrups, and steel mesh pieces, and the outer side of the shoulder 10 is provided with an outstretched first longitudinal bar 7 .

如图3所示,所述预制梁3设有若干纵筋及箍筋,并且部分纵筋、箍筋的上部外露,从而令后浇注于预制梁3上方的混凝土5与预制梁3更稳固地结合在一起。所述预制梁3的三角形凹槽剪力键4外侧设有外伸的第二纵筋8,预制梁3与预制柱1装配时,第一纵筋7与第二纵筋8采用搭接焊连接。 As shown in Figure 3, the prefabricated beam 3 is provided with several longitudinal reinforcements and stirrups, and the upper part of the longitudinal reinforcements and stirrups is exposed, so that the concrete 5 and the prefabricated beam 3 poured on the top of the prefabricated beam 3 are more firmly connected. combine together. The outer side of the triangular groove shear key 4 of the prefabricated beam 3 is provided with an outstretched second longitudinal reinforcement 8. When the prefabricated beam 3 and the prefabricated column 1 are assembled, the first longitudinal reinforcement 7 and the second longitudinal reinforcement 8 are lap welded. connect.

所述后浇注混凝土5的上端面与隔震支座柱头2的上端面位于同一水平面上。 The upper end surface of the post-cast concrete 5 and the upper end surface of the column head 2 of the shock-isolation support are located on the same horizontal plane.

图4所示为本发明装配式隔震结构的实施例。该装配式隔震结构包括钢筋混凝土装配式隔震节点以及隔震支座9。该钢筋混凝土装配式隔震节点与本发明钢筋混凝土装配式隔震节点第一实施例完全相同,在此不再详细描述。所述隔震支座柱头2下端与隔震支座9的橡胶垫通过螺栓相连,两者能很好地协同工作。 Fig. 4 shows an embodiment of the assembled seismic isolation structure of the present invention. The prefabricated seismic isolation structure includes a reinforced concrete prefabricated seismic isolation node and a seismic isolation support 9 . The reinforced concrete prefabricated seismic isolation node is exactly the same as the first embodiment of the reinforced concrete prefabricated seismic isolation node of the present invention, and will not be described in detail here. The lower end of the column head 2 of the shock-isolation support is connected with the rubber pad of the shock-isolation support 9 through bolts, and the two can work together well.

所述装配式隔震结构在地震作用下,隔震支座9整体处于平动状态,隔震支座9的上支墩不能传递弯矩,只能承受竖直方向的轴力以及水平剪力。 Under the action of an earthquake, the prefabricated seismic isolation structure, the seismic isolation support 9 is in a translational state as a whole, and the upper pier of the seismic isolation support 9 cannot transmit bending moment, but can only bear the axial force in the vertical direction and the horizontal shear force .

以上所述实施例仅表达了本实用新型的部分实施方式,其描述较为具体和详细,但并不能因此而理解为对本实用新型专利范围的限制。应当指出的是,对于本领域的普通技术人员来说,在不脱离本实用新型构思的前提下,还可以做出若干变形和改进,这些都属于本实用新型的保护范围。因此,本实用新型专利的保护范围应以所附权利要求为准。 The above-mentioned embodiments only express some implementations of the present utility model, and the description thereof is relatively specific and detailed, but it should not be construed as limiting the patent scope of the present utility model. It should be noted that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the scope of protection of the utility model patent should be based on the appended claims.

Claims (6)

1.一种钢筋混凝土装配式隔震节点,其特征在于:包括预制柱、隔震支座柱头、预制梁;所述预制柱横截面积小于隔震支座柱头的横截面积,并且预制柱固定于隔震支座柱头上端面;所述隔震支座柱头与预制梁之间存在接缝,所述隔震支座柱头与接缝相接的部分呈阶梯状,预制梁与接缝相接的一端设有三角形凹槽剪力键;还包括浇注于接缝内以及预制梁上方的混凝土。 1. A reinforced concrete assembly type seismic isolation node is characterized in that: it comprises a prefabricated column, a seismic isolation bearing capital, and a prefabricated beam; the cross-sectional area of the prefabricated column is less than the cross-sectional area of the seismic isolation bearing capital, and It is fixed on the upper end face of the column head of the seismic isolation bearing; there is a seam between the column head of the seismic isolation bearing and the prefabricated beam, and the part of the column head of the seismic isolation bearing connected to the joint is stepped, and the prefabricated beam is connected to the joint One end of the joint is provided with a triangular recessed shear key; it also includes the concrete poured in the joint and above the precast beam. 2.根据权利要求1所述的钢筋混凝土装配式隔震节点,其特征在于:所述隔震支座柱头包括与接缝相接的肩部,肩部外端呈阶梯状,肩部下端面与预制梁的下端面位于同一水平面上。 2. The reinforced concrete prefabricated seismic isolation node according to claim 1, characterized in that: the column head of the seismic isolation bearing includes a shoulder connected to the joint, the outer end of the shoulder is stepped, and the lower end surface of the shoulder is in contact with the joint. The lower end faces of the prefabricated beams are located on the same horizontal plane. 3.根据权利要求2所述的钢筋混凝土装配式隔震节点,其特征在于:所述肩部的上端面与隔震支座柱头的上端面位于同一水平面上。 3. The reinforced concrete prefabricated seismic isolation node according to claim 2, characterized in that: the upper end surface of the shoulder and the upper end surface of the column head of the seismic isolation support are located on the same horizontal plane. 4.根据权利要求3所述的钢筋混凝土装配式隔震节点,其特征在于:所述预制梁设有纵筋及箍筋,并且至少部分纵筋、箍筋的上部外露;后浇注混凝土的上端面与隔震支座柱头的上端面位于同一水平面上。 4. The reinforced concrete prefabricated seismic isolation node according to claim 3, characterized in that: the prefabricated beam is provided with longitudinal bars and stirrups, and at least part of the upper part of the longitudinal bars and stirrups is exposed; the upper part of the post-cast concrete The end face is located on the same level as the upper end face of the column head of the seismic isolation support. 5.根据权利要求2至4任一项所述的钢筋混凝土装配式隔震节点,其特征在于:所述肩部外侧设有外伸的第一纵筋,预制梁的三角形凹槽剪力键外侧设有外伸的第二纵筋,第一纵筋与第二纵筋采用搭接焊连接。 5. The reinforced concrete prefabricated seismic isolation node according to any one of claims 2 to 4, characterized in that: the outer side of the shoulder is provided with an outstretched first longitudinal reinforcement, and the triangular groove shear key of the prefabricated beam The outer side is provided with a second longitudinal rib extending outward, and the first longitudinal rib and the second longitudinal rib are connected by lap welding. 6.一种装配式隔震结构,其特征在于:包括权利要求1至5任一项所述的钢筋混凝土装配式隔震节点以及隔震支座,所述隔震支座与隔震支座柱头下端固定相连。 6. A prefabricated seismic isolation structure, characterized in that it comprises the reinforced concrete prefabricated seismic isolation node and the seismic isolation support according to any one of claims 1 to 5, and the seismic isolation support and the seismic isolation support The lower end of the stigma is fixedly connected.
CN2013202081555U 2013-04-23 2013-04-23 Reinforced-concrete-fitted seismic isolation node and fitted seismic isolation structure with reinforced-concrete-fitted seismic isolation node Expired - Fee Related CN203296203U (en)

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CN103195176A (en) * 2013-04-23 2013-07-10 广州大学 Reinforced-concrete-fitted isolation joint and fitted isolation structure with same
CN105863048A (en) * 2016-05-26 2016-08-17 中船第九设计研究院工程有限公司 Connection structure of prefabricated frame support structure beam column node
CN107190845A (en) * 2017-07-06 2017-09-22 浙江建设职业技术学院 One kind building slab column monoblock type node prefabricated components
CN112663494A (en) * 2020-12-07 2021-04-16 辽宁省交通规划设计院有限责任公司 Composite beam bridge deck and construction method thereof

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103195176A (en) * 2013-04-23 2013-07-10 广州大学 Reinforced-concrete-fitted isolation joint and fitted isolation structure with same
CN105863048A (en) * 2016-05-26 2016-08-17 中船第九设计研究院工程有限公司 Connection structure of prefabricated frame support structure beam column node
CN107190845A (en) * 2017-07-06 2017-09-22 浙江建设职业技术学院 One kind building slab column monoblock type node prefabricated components
CN112663494A (en) * 2020-12-07 2021-04-16 辽宁省交通规划设计院有限责任公司 Composite beam bridge deck and construction method thereof
CN112663494B (en) * 2020-12-07 2022-04-08 辽宁省交通规划设计院有限责任公司 Composite beam bridge deck and construction method thereof

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