CN110130485B - A kind of prefabricated assembled beam-column joint with toothed plate and its assembly method - Google Patents
A kind of prefabricated assembled beam-column joint with toothed plate and its assembly method Download PDFInfo
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- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
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- E—FIXED CONSTRUCTIONS
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- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/58—Connections for building structures in general of bar-shaped building elements
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- E—FIXED CONSTRUCTIONS
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- 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
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Abstract
Description
技术领域technical field
本发明属于土木结构振动控制领域，具体涉及一种带齿板的预制装配式梁柱节点及其装配方法。The invention belongs to the field of vibration control of civil structures, in particular to a prefabricated assembled beam-column joint with toothed plates and an assembly method thereof.
背景技术Background technique
建筑行业是我国经济发展的支柱产业。近几十年来,中国城市化进程逐渐加快,居民住宅数量大幅增加。在这样高能耗的情况下,如何推进新式节能型建筑,促进节能建筑的发展,实现生态城市的发展,是当前建筑行业需要讨论的问题。装配式建筑是一种现代化的建筑结构——将预制构件提前在工厂内制造并运输到现场，将分散的装配式构件通过一定的装配工艺和一定的机械施工工艺相结合，从而组装成整体。与传统的建筑结构施工方法相比，预制装配式结构具有节省建筑成本、流水化生产、降低对劳动力的需求、提高精度、满足不同消费者需求的优势。The construction industry is the pillar industry of my country's economic development. In recent decades, China's urbanization process has gradually accelerated, and the number of residential buildings has increased significantly. Under the circumstances of such high energy consumption, how to promote new energy-saving buildings, promote the development of energy-saving buildings, and realize the development of ecological cities are issues that need to be discussed in the current construction industry. The prefabricated building is a modern building structure - the prefabricated components are manufactured in the factory in advance and transported to the site, and the scattered prefabricated components are combined into a whole through a certain assembly process and a certain mechanical construction process. Compared with traditional building structure construction methods, prefabricated structures have the advantages of saving construction costs, streamlining production, reducing labor requirements, improving precision, and meeting the needs of different consumers.
1994年美国北岭地震的震害调查表明:大跨度预制钢筋混凝土框架结构破坏较严重,主要表现为预制混凝土构件间的连接破坏,进而导致整体结构的离散、倒塌。节点一方面在结构中起到合理传力的作用，另一方面，由于装配式结构中各个构件均在工厂制作，和现浇构件相比劣势在于缺少现浇那样的整体性，而这一点主要在节点中体现。由此可见，装配整体式结构的关键在于框架梁柱节点的连接。因此，本发明旨在解决现行实际工程中遇到的节点的连接问题，具有较大的实际意义。The earthquake damage investigation of the 1994 Northridge Earthquake in the United States shows that the long-span precast reinforced concrete frame structure is seriously damaged, mainly manifested as the connection failure between the precast concrete members, which leads to the dispersion and collapse of the overall structure. On the one hand, the node plays a role in the reasonable transmission of force in the structure. On the other hand, since each component in the fabricated structure is manufactured in the factory, the disadvantage compared with the cast-in-place component is the lack of integrity like the cast-in-place component, and this is mainly reflected in the node. It can be seen that the key to assembling the monolithic structure lies in the connection of the beam-column joints of the frame. Therefore, the present invention aims to solve the connection problem of nodes encountered in current practical projects, and has great practical significance.
专利CN109235663A公开了一种高强螺纹螺栓装配式连接节点，包括预制柱以及安装在预制柱一侧侧面上的预制梁，所述预制柱内部以及预制梁一端的内部分别预埋有第一承压端板、第二承压端板，所述第一承压端板、第二承压端板上分别设置有若干个第一穿孔、若干个第二穿孔，所述若干个第一穿孔分别与若干个第二穿孔对齐设置，且每个第一穿孔以及与其对齐设置的一个第二穿孔之间打入有高强螺纹螺栓；所述预制梁上下两个端面与预制柱一侧的侧面之间均安装有角钢，所述角钢的两边均打入有齿形螺栓。该专利构件之间的连接性较弱，且抗震效果不是特别理想。Patent CN109235663A discloses a high-strength threaded bolt-assembled connection node, including a prefabricated column and a prefabricated beam installed on one side of the prefabricated column. The interior of the prefabricated column and the interior of one end of the prefabricated beam are respectively embedded with a first pressure-bearing end. plate, the second pressure-bearing end plate, the first pressure-bearing end plate and the second pressure-bearing end plate are respectively provided with several first perforations and several second perforations, the several first perforations are respectively connected with several Two second through holes are arranged in alignment, and high-strength threaded bolts are driven between each first through hole and a second through hole arranged in alignment with it; There is an angle steel, and toothed bolts are driven into both sides of the angle steel. The connection between the components of the patent is weak, and the anti-vibration effect is not particularly ideal.
发明内容SUMMARY OF THE INVENTION
本发明的目的就是为了解决预制装配式结构中连接节点抗震性能差、整体性不足的问题而提供一种带齿板的预制装配式梁柱节点及其装配方法。The purpose of the present invention is to provide a prefabricated beam-column joint with a toothed plate and an assembling method thereof in order to solve the problems of poor seismic performance and insufficient integrity of the connection node in the prefabricated prefabricated structure.
本发明的目的通过以下技术方案实现：The object of the present invention is achieved through the following technical solutions:
一种带齿板的预制装配式梁柱节点，包括预制柱和预制梁，所述预制柱上设有外伸的钢材连接板和第一连接钢筋，所述预制梁上设有外伸的带齿板的H型钢、M型钢筋、箍筋和第二连接钢筋，两者用于连接钢材连接板和带齿板的H型钢，所述第一连接钢筋和第二连接钢筋通过灌浆套筒进行连接以保证整体性，所述预制柱和预制梁通过外伸部分进行套接后，空白区域采用混凝土进行填充形成现浇层。A prefabricated beam-column joint with a toothed plate includes a prefabricated column and a prefabricated beam, the prefabricated column is provided with an overhanging steel connecting plate and a first connecting steel bar, and the prefabricated beam is provided with an overhanging belt. H-shaped steel, M-shaped steel bar, stirrup and second connecting steel bar of the toothed plate, both of which are used to connect the steel connecting plate and the H-shaped steel with the toothed plate, and the first connecting steel bar and the second connecting steel bar are carried out through the grouting sleeve. To ensure the integrity of the connection, after the prefabricated column and the prefabricated beam are socketed through the overhanging part, the blank area is filled with concrete to form a cast-in-place layer.
进一步地，所述带齿板的H型钢侧面设有粘弹性材料板。进一步优选地，所述粘弹性材料板选自沥青、水溶物、乳胶或环氧树脂中的一种或多种，并根据需要添加填料。Further, a viscoelastic material plate is provided on the side of the H-shaped steel of the toothed plate. Further preferably, the viscoelastic material plate is selected from one or more of asphalt, water-soluble, latex or epoxy resin, and fillers are added as required.
进一步地，所述钢材连接板上设有螺栓拼接板和螺栓孔，所述钢材连接板外侧设置钢板，钢材连接板内壁设有缓冲材料，以增加耗能。进一步优选地，所述缓冲材料选用橡胶或钢纤维。Further, the steel connecting plate is provided with a bolt splicing plate and bolt holes, a steel plate is arranged on the outer side of the steel connecting plate, and a buffer material is arranged on the inner wall of the steel connecting plate to increase energy consumption. Further preferably, the buffer material is selected from rubber or steel fibers.
进一步地，所述预制柱上设有金属阻尼器，可增加节点处的耗能能力。Further, metal dampers are provided on the prefabricated columns, which can increase the energy dissipation capacity at the nodes.
进一步地，所述第一连接钢筋、带齿板的H型钢和第二连接钢筋的尺寸均小于钢材连接板的尺寸，也小于预制梁的尺寸，这是基于操作的可行性的考虑，且在装配时先留一侧边和一底边的钢材连接板不安装，以便后续的安装和操作。Further, the dimensions of the first connecting bar, the H-shaped steel with the toothed plate and the second connecting bar are all smaller than the dimensions of the steel connecting plate and the size of the prefabricated beam, which is based on the consideration of the feasibility of operation, and in When assembling, leave one side and one bottom side of the steel connecting plate not installed for subsequent installation and operation.
进一步地，所述预制柱在侧面设有多个钢材连接板，可与多个预制梁进行装配，能够适用于多梁单柱的节点设计，具有更广泛的适用性和灵活性。Further, the prefabricated column is provided with a plurality of steel connecting plates on the side, which can be assembled with a plurality of prefabricated beams, can be applied to the joint design of multiple beams and single column, and has wider applicability and flexibility.
进一步地，所述M型钢筋和箍筋的直径、用量和设置间距根据规范和实际情况计算确定，以适应实际中不同工程的需求。Further, the diameter, amount and setting spacing of the M-shaped steel bars and stirrups are calculated and determined according to the specifications and actual conditions, so as to meet the needs of different projects in practice.
一种带齿板的预制装配式梁柱节点的装配方法，其特征在于，将预制柱同钢材连接板、第一连接钢筋和螺栓拼接板整浇完成，此时先留一侧边和一底边的钢材连接板不安装，并在钢材连接板上留有螺栓孔，并将预制梁同带齿板的H型钢、M型钢筋、箍筋和第二连接钢筋整浇完成以保证连接的可靠性，之后将预制柱固定到相应位置，并将预制梁吊装至相应位置，通过连接螺栓连接板和在螺栓孔中安装高强螺栓用以连接预制柱和预制梁，并通过灌浆套筒连接第一连接钢筋和第二连接钢筋，再将提前预留未安装的钢材连接板的侧边和底边钢材连接板焊接到整体上，最后在空白区域采用混凝土进行填充形成现浇层，待养护完成后在钢材连接板外一次粘贴缓冲材料和钢板，并安装金属阻尼器。A method for assembling a prefabricated beam-column joint with a toothed plate, which is characterized in that the prefabricated column is poured together with a steel connecting plate, a first connecting steel bar and a bolt splicing plate. The steel connecting plate on the side is not installed, and bolt holes are left on the steel connecting plate, and the prefabricated beam and the H-section steel, M-section steel bar, stirrup and the second connecting steel bar with the toothed plate are poured to ensure the reliability of the connection. After that, fix the prefabricated column to the corresponding position, hoist the prefabricated beam to the corresponding position, connect the plate by connecting bolts and install high-strength bolts in the bolt holes to connect the prefabricated column and the prefabricated beam, and connect the first beam through the grouting sleeve. Connect the steel bar and the second connecting steel bar, and then weld the side and bottom steel connecting plates of the steel connecting plates that have not been installed in advance to the whole, and finally fill the blank area with concrete to form a cast-in-place layer. After the curing is completed Paste the buffer material and steel plate outside the steel connecting plate at one time, and install the metal damper.
通过不同部位的高强螺栓、利用灌浆套筒相连接的连接钢筋、预制梁上的M型钢筋和箍筋，以及现浇层的利用，从而达到增强构件与构件之间连接整体性的目的，同时，通过钢板、缓冲材料、H型钢上的齿板、粘弹性材料板以及金属阻尼器的设置，增加节点处的耗能能力，最终达到增强节点抗震性能的目的。Through the use of high-strength bolts in different parts, connecting steel bars connected by grouting sleeves, M-shaped steel bars and stirrups on prefabricated beams, and the use of cast-in-place layers, the purpose of enhancing the integrity of the connection between components is achieved. , Through the setting of steel plate, buffer material, tooth plate on H-beam, viscoelastic material plate and metal damper, the energy dissipation capacity at the node is increased, and finally the purpose of enhancing the seismic performance of the node is achieved.
与现有技术相比，本发明的优点如下：Compared with the prior art, the advantages of the present invention are as follows:
1)与普通的连接节点相比，预制梁处增加了带齿板的H型钢，一方面H型钢通过焊接连接在预制梁上，可以保证连接的可靠性，利用高强螺栓，穿过H型钢的腹板以及焊接在预制柱上的拼接板，能够增强构件之间的连接性；另一方面，试验表明，采用齿板，能够增加节点处的耗能能力，和下方的金属阻尼器共同作用，能够起到更好的抗震效果。1) Compared with ordinary connection nodes, H-beams with toothed plates are added to the prefabricated beams. On the one hand, the H-beams are connected to the prefabricated beams by welding, which can ensure the reliability of the connection. High-strength bolts are used to pass through the H-beams. The web and the splicing plate welded on the prefabricated column can enhance the connection between the components; on the other hand, the test shows that the use of the toothed plate can increase the energy dissipation capacity at the node, and work together with the metal damper below, It can play a better anti-vibration effect.
2)预制梁的上下两端分别设置了M型钢筋和下方的箍筋，这二者都能够起到一定的抗剪作用，能够在地震发生时保证节点以强剪弱弯的形式而不是强弯弱剪的形式发生破坏，从而达到增强抗震性能的目的，同时钢筋的具体间距、直径都可以根据工程实际进行改变，具有较强的灵活性，能够达到节约工程成本的目的；2) The upper and lower ends of the prefabricated beam are provided with M-shaped steel bars and the lower stirrups, both of which can play a certain role in shear resistance, and can ensure that the joints are in the form of strong shear and weak bending instead of strong when an earthquake occurs. The damage occurs in the form of bending and weak shearing, so as to achieve the purpose of enhancing the seismic performance. At the same time, the specific spacing and diameter of the steel bars can be changed according to the actual project, which has strong flexibility and can achieve the purpose of saving project costs;
3)与普通的连接节点相比，本发明中采用现浇层+预制构件+高强螺栓+连接钢筋，四者相结合的方式，从而保证预制构件之间的足够粘结以及可靠连接；3) Compared with ordinary connection nodes, the present invention adopts the combination of cast-in-place layer + prefabricated components + high-strength bolts + connecting steel bars, so as to ensure sufficient bonding and reliable connection between prefabricated components;
4)本发明中的连接钢筋通过灌浆套筒连接，试验表明，灌浆套筒+钢筋的组合能够很好的保证节点处的连接性能，从而保证预制构件之间的可靠连接；4) The connecting steel bars in the present invention are connected by grouting sleeves. Tests show that the combination of grouting sleeves and steel bars can well ensure the connection performance at the nodes, thereby ensuring reliable connection between prefabricated components;
5)试验表明，在连接钢筋和高强螺栓的共同作用下，一方面能够增强柱和单边的梁之间的连接，另一方面，连接钢筋在同一直线上连接了两根梁，能够更近一部增加节点处的整体性；而且预制柱在四个方向都设置了钢材连接板，能够适用于多梁单柱的节点设计，具有更广泛的适用性和灵活性；5) The test shows that, under the combined action of connecting steel bars and high-strength bolts, on the one hand, the connection between the column and the unilateral beam can be enhanced; One increases the integrity of the joint; and the prefabricated column is provided with steel connecting plates in four directions, which can be applied to the joint design of multi-beam and single-column, and has wider applicability and flexibility;
6)本发明中，分别在连接钢板的内壁以及上方的钢板下面增加了缓冲材料，并在预制梁上贴上了粘弹性材料板，一方面钢板具有良好的塑形性能和抗震性能，另一方面利用这些材料，二者共同作用能够达到较好的提高节点抗震性能的目的。6) In the present invention, buffer materials are added to the inner wall of the connecting steel plate and under the steel plate above, and a viscoelastic material plate is pasted on the prefabricated beam. On the one hand, the steel plate has good plastic performance and shock resistance, and the other On the one hand, these materials can be used together to achieve the purpose of improving the seismic performance of the joints.
附图说明Description of drawings
图1为一种带齿板的预制装配式梁柱节点的结构示意图；Fig. 1 is a kind of structural representation of prefabricated beam-column joint with toothed plate;
图2为一种带齿板的预制装配式梁柱节点单一方向的结构分解示意图。Fig. 2 is a structural exploded schematic diagram of a prefabricated beam-column joint with a toothed plate in a single direction.
图中：1-预制柱；2-预制梁；3-钢材连接板；4-高强螺栓；5-灌浆套筒；601-第一连接钢筋；602-第二连接钢筋；7-M型钢筋；8-箍筋；9-钢板；10-缓冲材料；11-粘弹性材料板；12-带齿板的H型钢；13-螺栓拼接板；14-金属阻尼器。In the figure: 1-prefabricated column; 2-prefabricated beam; 3-steel connecting plate; 4-high-strength bolt; 5-grouting sleeve; 601-first connecting steel bar; 602-second connecting steel bar; 7-M-type steel bar; 8- stirrup; 9- steel plate; 10- buffer material; 11- viscoelastic material plate; 12- H-beam with tooth plate; 13- bolt splicing plate; 14- metal damper.
具体实施方式Detailed ways
下面结合附图和具体实施例对本发明进行详细说明。The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
实施例Example
参照图1和图2，一种带齿板的预制装配式梁柱节点，包括预制柱1和预制梁2，预制柱1上设有外伸的钢材连接板3和第一连接钢筋601，预制梁2上设有外伸的带齿板的H型钢12、M型钢筋7、箍筋8和第二连接钢筋602，钢材连接板3上设有螺栓拼接板13和螺栓孔，两者用于连接钢材连接板3和带齿板的H型钢12，第一连接钢筋601和第二连接钢筋602通过灌浆套筒5进行连接，预制柱1和预制梁2通过外伸部分进行套接后，空白区域采用混凝土进行填充形成现浇层。1 and 2, a prefabricated beam-column joint with a toothed plate includes a
带齿板的H型钢12侧面设有粘弹性材料板11。粘弹性材料板11选自沥青、水溶物、乳胶或环氧树脂中的一种或多种，并根据需要添加填料。钢材连接板3外侧设置钢板9，钢材连接板3和钢板9之间设有缓冲材料10。缓冲材料10选用橡胶或钢纤维。预制柱1上设有金属阻尼器14。第一连接钢筋601、带齿板的H型钢12和第二连接钢筋602的尺寸均小于钢材连接板3的尺寸，也小于预制梁2的尺寸。预制柱1在侧面设有多个钢材连接板3，可与多个预制梁1进行装配。M型钢筋7和箍筋8的直径、用量和设置间距根据规范和实际情况计算确定。A viscoelastic material plate 11 is provided on the side of the H-
一种带齿板的预制装配式梁柱节点的装配方法，将预制柱1同钢材连接板3、第一连接钢筋601和螺栓拼接板13整浇完成，此时先留一侧边和一底边的钢材连接板3不安装，并在钢材连接板3上留有螺栓孔，并将预制梁1同带齿板的H型钢12、M型钢筋7、箍筋和8第二连接钢筋602整浇完成，之后将预制柱1固定到相应位置，并将预制梁2吊装至相应位置，通过在螺栓连接板13和在螺栓孔中安装高强螺栓4用以连接预制柱1和预制梁2，并通过灌浆套筒5连接第一连接钢筋601和第二连接钢筋602，再将提前预留未安装的钢材连接板的侧边和底边钢材连接板3焊接到整体上，最后在空白区域采用混凝土进行填充形成现浇层，待养护完成后在钢材连接板3外一次粘贴缓冲材料10和钢板9，并安装金属阻尼器14。A method for assembling a prefabricated beam-column joint with a toothed plate, the
上述的对实施例的描述是为便于该技术领域的普通技术人员能理解和使用发明。熟悉本领域技术的人员显然可以容易地对这些实施例做出各种修改，并把在此说明的一般原理应用到其他实施例中而不必经过创造性的劳动。因此，本发明不限于上述实施例，本领域技术人员根据本发明的揭示，不脱离本发明范畴所做出的改进和修改都应该在本发明的保护范围之内。The foregoing description of the embodiments is provided to facilitate understanding and use of the invention by those of ordinary skill in the art. It will be apparent to those skilled in the art that various modifications to these embodiments can be readily made, and the generic principles described herein can be applied to other embodiments without inventive step. Therefore, the present invention is not limited to the above-mentioned embodiments, and improvements and modifications made by those skilled in the art according to the disclosure of the present invention without departing from the scope of the present invention should all fall within the protection scope of the present invention.
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| JP4376088B2 (en) * | 2003-02-28 | 2009-12-02 | 新日本製鐵株式会社 | Beam joint structure |
| CN201381556Y (en) * | 2009-04-24 | 2010-01-13 | 王玥 | Connected node of steel girder and combined steel and concrete column |
| CN103243817B (en) * | 2013-04-28 | 2016-12-28 | 中国十七冶集团有限公司 | A kind of assembled beam-column attachment means |
| CN205804625U (en) * | 2016-07-05 | 2016-12-14 | 重庆大学 | A kind of case shaped-steel joint bracket for prefabricated assembled concrete center pillar |
| CN206157894U (en) * | 2016-11-12 | 2017-05-10 | 吴从晓 | Improved generation assembled concrete beam -column joint connection structure |
| CN206360086U (en) * | 2016-11-24 | 2017-07-28 | 重庆市中科大业建筑科技有限公司 | Clod wash multi-cavity steel tube concrete Special-Shaped Column and the rigid connection node of U-shaped combination beam |
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| CN108222289A (en) * | 2018-03-22 | 2018-06-29 | 南京工业大学 | Assembled bamboo-wood beam-column joint connection structure |
| CN109138179A (en) * | 2018-10-17 | 2019-01-04 | 辽宁工程技术大学 | A kind of assembled friction energy-dissipating Self-resetting partition perforation node |
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