CN107143034A - A kind of assembly concrete frame structure beam column rigid connection node - Google Patents
A kind of assembly concrete frame structure beam column rigid connection node Download PDFInfo
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/20—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of concrete, e.g. reinforced concrete, or other stonelike material
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- E04B1/215—Connections specially adapted therefor comprising metallic plates or parts
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Abstract
本发明公开了一种装配式混凝土框架结构梁柱刚性连接节点，包括框架梁、框架柱和梁柱刚性连接节点；框架梁的端部设有第一钢板，框架柱的两侧设有第二钢板和第三钢板，且第二钢板通过第二预埋件内螺纹钢筋与第三钢板连接，梁柱刚性连接节点包括H型钢，第一钢板通过H型钢与第二钢板连接，实现框架梁和框架柱的连接。本发明通过外置式H型钢连接装配式混凝土框架结构梁柱，大大简化了梁柱连接的复杂性，且H型钢不在预制梁的混凝土内，而是通过端板与梁内锚筋连接，H型钢与柱边端板直接通过栓焊连接，将钢结构的连接节点直接应用于预制混凝土构件中，简化了施工工序，提高了施工速度，且梁柱的定位更为精确，为后续结构施工带来方便。
The invention discloses a beam-column rigid connection node of an assembled concrete frame structure, which comprises a frame beam, a frame column and a beam-column rigid connection node; a first steel plate is provided at the end of the frame beam, and a second The steel plate and the third steel plate, and the second steel plate is connected to the third steel plate through the internal threaded steel bar of the second embedded part, the rigid connection node of the beam column includes H-shaped steel, and the first steel plate is connected to the second steel plate through the H-shaped steel to realize the frame beam and Connection of frame columns. The invention connects the assembled concrete frame structure beams and columns through the external H-shaped steel, which greatly simplifies the complexity of the beam-column connection, and the H-shaped steel is not in the concrete of the prefabricated beam, but is connected with the anchor bar in the beam through the end plate, and the H-shaped steel It is directly connected with the end plate of the column through bolt welding, and the connection node of the steel structure is directly applied to the precast concrete component, which simplifies the construction process, improves the construction speed, and the positioning of the beam and column is more accurate, which brings great benefits to the subsequent structural construction. Convenience.
Description
技术领域technical field
本发明属于建筑工程技术领域，特别涉及一种装配式混凝土框架结构梁柱刚性连接节点。The invention belongs to the technical field of construction engineering, in particular to a beam-column rigid connection node of an assembled concrete frame structure.
背景技术Background technique
随着我国经济的快速发展，人民生活水平不断提升，对建筑的要求日益提高；同时，建筑的现浇建设方式与我国可持续发展理念不相适应。目前，我国迫切需要解决住宅建设中高能耗、高污染、高投资等问题，因此，我国发展改革委住房城乡建设部颁布了《绿色建筑行动方案》，其中明确提到推广适合工业化生产的预制装配式混凝土结构、钢结构等建筑体系，加快发展建设工程的预制和装配技术，提高建筑工业化技术集成水平。其中，预制装配式混凝土结构具有以下优点：With the rapid development of my country's economy, people's living standards are constantly improving, and the requirements for buildings are increasing; at the same time, the cast-in-place construction method of buildings is not compatible with the concept of sustainable development in my country. At present, my country urgently needs to solve the problems of high energy consumption, high pollution, and high investment in residential construction. Therefore, the Ministry of Housing and Urban-Rural Development of the Development and Reform Commission of my country has promulgated the "Green Building Action Plan", which clearly mentions the promotion of prefabricated assembly suitable for industrial production Concrete structure, steel structure and other building systems, accelerate the development of prefabrication and assembly technology for construction projects, and improve the integration level of construction industrialization technology. Among them, the prefabricated concrete structure has the following advantages:
(1)绿色施工。装配式混凝土结构施工更能符合绿色施工的节地、节能、节材、节水和环境保护等要求，降低对环境的负面影响，包括降低噪音、防止扬尘、减少环境污染、清洁运输、减少场地干扰、节约水、电、材料等资源和能源，遵循可持续发展的原则。(1) Green construction. The construction of prefabricated concrete structures can better meet the requirements of green construction such as land saving, energy saving, material saving, water saving and environmental protection, and reduce the negative impact on the environment, including reducing noise, preventing dust, reducing environmental pollution, cleaning transportation, reducing site Interference and conservation of water, electricity, materials and other resources and energy, follow the principles of sustainable development.
(2)工期短。由于大量的装配式混凝土构件都在工厂生产和养护，施工现场进行的工作仅仅是将预制厂预制好的构件进行吊装、装配、节点加固，不但无需安装脚手架和支撑，而且减小了季节因素对施工工期的影响，主体结构成型后进行装修、水电施工等工作，工作量远小于现浇法施工，甚至省去了砌筑和抹灰工序，因此大大缩短了整体工期。(2) The construction period is short. Since a large number of prefabricated concrete components are produced and maintained in the factory, the work on the construction site is only to hoist, assemble and reinforce the joints of the prefabricated components in the prefabrication plant, which not only does not require the installation of scaffolding and supports, but also reduces the seasonal factors. Influenced by the construction period, after the main structure is formed, the work of decoration, hydropower construction and other work is much less than that of cast-in-place construction, and even the masonry and plastering processes are omitted, thus greatly shortening the overall construction period.
(3)构件质量好。预制厂中的混凝土不需要泵送，混凝土中的水较少，混凝土强度等级比现场浇筑的要高。预制厂浇筑完构件后，就将构件进行蒸汽养护，保证混凝土质量，而施工现场养护混凝土既无法提供蒸汽养护的优良条件，又受到天气的影响，养护质量无法与预制厂相比；并且预制混凝土柱在预制厂预制时是水平浇筑的，整根长柱一体成型，能保证其整体性。(3) The components are of good quality. Concrete in precast plants does not require pumping, there is less water in the concrete, and the concrete has a higher strength grade than cast-in-place concrete. After the components are poured in the precast plant, the components will be steam cured to ensure the quality of the concrete. However, the curing concrete on the construction site cannot provide excellent conditions for steam curing, and is also affected by the weather. The curing quality cannot be compared with that of the precast plant; and the precast concrete The column is poured horizontally during prefabrication in the prefabrication factory, and the entire long column is integrally formed to ensure its integrity.
但是，预制装配式混凝土结构也有其自身的一些缺点，例如节点连接形式复杂。目前的主要连接节点形式需要现场绑扎钢筋、浇筑混凝土，且需要脚手架、模板等，这给节点的质量带来隐患、对施工技术要求高，一定程度上限制了预制混凝土构件的使用。除现场绑扎钢筋的节点外，也有部分其他形式连接节点，例如采用在混凝土梁柱节点区预埋型钢，通过预应力钢绞线将梁柱连接，这种构造同样需要脚手架或其他辅助设施将预制梁吊起，待预应力钢绞线完全发挥作用后方可拆除脚手架或辅助设施，大大降低了施工速度。However, prefabricated concrete structures also have some disadvantages of their own, such as complex joint connections. The current main connection node form requires on-site binding of steel bars, pouring of concrete, and scaffolding, formwork, etc., which brings hidden dangers to the quality of the joints, requires high construction technology, and limits the use of precast concrete components to a certain extent. In addition to the joints of on-site binding steel bars, there are also some other forms of joint joints, such as the use of pre-embedded steel in the joint area of concrete beams and columns, and the connection of beams and columns through prestressed steel strands. This structure also requires scaffolding or other auxiliary facilities. The beams are hoisted, and the scaffolding or auxiliary facilities can only be removed after the prestressed steel strands have fully functioned, which greatly reduces the construction speed.
发明内容Contents of the invention
本发明提供了一种易于施工、连接处受力性能优越的装配式混凝土框架结构梁柱刚性连接节点，以解决了现有技术的上述问题。The invention provides an assembled concrete frame structure beam-column rigid connection node which is easy to construct and has excellent mechanical performance at the connection, so as to solve the above-mentioned problems in the prior art.
本发明的技术方案如下：Technical scheme of the present invention is as follows:
一种装配式混凝土框架结构梁柱刚性连接节点，包括框架梁、框架柱和梁柱刚性连接节点；A prefabricated concrete frame structure beam-column rigid connection node, including a frame beam, a frame column, and a beam-column rigid connection node;
所述的框架梁包括混凝土梁内纵筋、混凝土梁内箍筋、第一预埋件内螺纹钢筋和第一钢板，其中，所述的混凝土梁内箍筋设于所述的混凝土梁内纵筋的外侧，所述的第一钢板设于所述的框架梁的端部，所述的凝土梁内纵筋和所述的第一预埋件内螺纹钢筋均与所述的第一钢板上的塞焊孔处焊接；The frame beam includes an inner longitudinal bar of a concrete beam, an inner stirrup of a concrete beam, an inner threaded steel bar of the first embedded part and a first steel plate, wherein the inner stirrup of the concrete beam is arranged on the inner longitudinal bar of the concrete beam The outer side of the reinforcement, the first steel plate is arranged at the end of the frame beam, the inner longitudinal reinforcement of the concrete beam and the internal threaded steel bar of the first embedded part are all connected with the first steel plate Welding at the plug welding hole on the top;
所述的框架柱包括混凝土柱内纵筋、混凝土柱内箍筋、第二预埋件内螺纹钢筋、第二钢板、第三钢板，其中，所述的混凝土柱内箍筋设于所述的混凝土柱内纵筋的外侧，所述的第二钢板和所述的第三钢板分别位于所述的混凝土柱内箍筋的外侧，且所述的第二预埋件内螺纹钢筋通过所述的第二钢板上的塞焊孔和所述的第三钢板上的塞焊孔，将所述的第二钢板和所述的第三钢板连接一起；The frame column includes the inner longitudinal reinforcement of the concrete column, the inner stirrup of the concrete column, the inner threaded steel bar of the second embedded part, the second steel plate, and the third steel plate, wherein the inner stirrup of the concrete column is arranged on the The outer side of the longitudinal reinforcement in the concrete column, the second steel plate and the third steel plate are respectively located on the outer side of the inner stirrup of the concrete column, and the internal threaded steel bar of the second embedded part passes through the The plug welding hole on the second steel plate and the plug welding hole on the third steel plate connect the second steel plate and the third steel plate together;
所述的梁柱刚性连接节点包括H型钢，所述的第一钢板通过所述的H型钢连接于所述的第二钢板，所述的第二钢板还连接有所述的第四钢板，所述的第四钢板又连接于所述的H型钢的腹板，实现框架梁和框架柱的刚性连接。The beam-column rigid connection node includes H-shaped steel, the first steel plate is connected to the second steel plate through the H-shaped steel, and the second steel plate is also connected to the fourth steel plate, so The fourth steel plate is connected to the web of the H-shaped steel to realize the rigid connection between the frame beam and the frame column.
优选为，所述的混凝土梁内纵筋包括若干列钢筋，其中，最上列的钢筋与所述的工字的上部翼缘处于同一平面，和最下列的钢筋与所述的工字的下部翼缘处于同一平面。Preferably, the inner longitudinal reinforcement of the concrete beam includes several rows of steel bars, wherein the uppermost steel bar is in the same plane as the upper flange of the I-shaped, and the lowermost steel bar is in the same plane as the lower flange of the I-shaped edges are on the same plane.
优选为，所述的第二预埋件内螺纹钢筋均与所述的第二钢板和所述的第三钢板平面垂直。Preferably, the internally threaded steel bars of the second embedded part are all perpendicular to the planes of the second steel plate and the third steel plate.
优选为，所述的第二预埋件内螺纹钢筋包括若干列钢筋，其中，最上列的钢筋与所述的工字的上部翼缘处于同一平面，和最下列的钢筋与所述的工字的下部翼缘处于同一平面。Preferably, the internally threaded steel bars of the second embedded part include several columns of steel bars, wherein the uppermost steel bar is on the same plane as the upper flange of the I-shaped, and the lowermost steel bar is in the same plane as the upper flange of the I-shaped The lower flanges are in the same plane.
优选为，所述的H型钢的上下翼缘均通过融透或角焊缝焊接于所述的第一钢板；所述的H型钢的上下翼缘均通过融透或角焊缝焊接于所述的第二钢板。Preferably, the upper and lower flanges of the H-shaped steel are welded to the first steel plate through penetration or fillet welds; the upper and lower flanges of the H-shaped steel are welded to the first steel plate through penetration or fillet welds. the second steel plate.
优选为，所述的第四钢板通过螺栓固定连接于所述的H型钢的腹板上。Preferably, the fourth steel plate is fixedly connected to the web plate of the H-shaped steel by bolts.
优选为，所述的第四钢板与所述的第二钢板平面垂直，所述的第四钢板通过融透或角焊缝焊接于所述的第二钢板上。Preferably, the fourth steel plate is perpendicular to the plane of the second steel plate, and the fourth steel plate is welded to the second steel plate through penetration or fillet weld.
与现有技术相比，本发明的有益效果如下：Compared with the prior art, the beneficial effects of the present invention are as follows:
一、本发明的一种装配式混凝土框架结构梁柱刚性连接节点，通过外置式H型钢连接装配式混凝土框架结构梁柱，大大简化了装配式混凝土框架结构梁柱连接的复杂性，本发明的H型钢不在预制梁的混凝土内，而是通过端板与梁内锚筋连接，H型钢与柱边端板直接通过栓焊连接，将钢结构的连接节点直接应用于预制混凝土构件中；1. The beam-column rigid connection node of a prefabricated concrete frame structure of the present invention connects the beam-column of the prefabricated concrete frame structure through an external H-shaped steel, which greatly simplifies the complexity of the beam-column connection of the prefabricated concrete frame structure. The H-shaped steel is not in the concrete of the prefabricated beam, but is connected with the anchor bar in the beam through the end plate, and the H-shaped steel and the column edge end plate are directly connected by bolt welding, and the connection nodes of the steel structure are directly applied to the prefabricated concrete components;
二、本发明的一种装配式混凝土框架结构梁柱刚性连接节点，简化了施工工序，提高了施工速度，且梁柱的定位更为精确，为后续结构施工带来方便；2. The beam-column rigid connection node of a prefabricated concrete frame structure of the present invention simplifies the construction process, improves the construction speed, and the positioning of the beam-column is more accurate, which brings convenience for subsequent structural construction;
三、本发明的一种装配式混凝土框架结构梁柱刚性连接节点，所使用的柱内预埋件使得柱的任意一侧可以通过H型钢与梁连接，因此本发明不仅适用于装配式混凝土框架结构中框架梁与边柱的节点连接，而且适用于框架梁与中柱等各种形式框架梁柱节点的连接。3. In the beam-column rigid connection node of a prefabricated concrete frame structure of the present invention, the embedded parts used in the column enable any side of the column to be connected to the beam through H-shaped steel, so the present invention is not only applicable to prefabricated concrete frames The node connection between the frame beam and the side column in the structure is suitable for the connection of various forms of frame beam-column nodes such as the frame beam and the center column.
当然，实施本发明的任一产品并不一定需要同时达到以上所述的所有优点。Of course, any product implementing the present invention does not necessarily need to achieve all the above-mentioned advantages at the same time.
附图说明Description of drawings
图1为本发明的一种装配式混凝土框架结构梁柱刚性连接节点的结构示意图；Fig. 1 is a structural schematic diagram of a beam-column rigid connection node of a fabricated concrete frame structure of the present invention;
图2为本发明的一种装配式混凝土框架结构梁柱刚性连接节点的整体外观示意图；Fig. 2 is a schematic diagram of the overall appearance of a beam-column rigid connection node of a prefabricated concrete frame structure of the present invention;
图3为本发明的一种装配式混凝土框架结构梁柱刚性连接节点的立面示意图；Fig. 3 is the elevation schematic diagram of a beam-column rigid connection node of a fabricated concrete frame structure of the present invention;
图4为沿图3的A-A剖面图；Fig. 4 is a sectional view along A-A of Fig. 3;
图5为沿图3的B-B剖面图。Fig. 5 is a sectional view along line B-B of Fig. 3 .
具体实施方式detailed description
下面结合具体实施例，进一步阐述本发明。应该理解，这些实施例仅用于说明本发明，而不用于限定本发明的保护范围。在实际应用中本领域技术人员根据本发明做出的改进和调整，仍属于本发明的保护范围。Below in conjunction with specific embodiment, further illustrate the present invention. It should be understood that these examples are only used to illustrate the present invention, not to limit the protection scope of the present invention. Improvements and adjustments made by those skilled in the art according to the present invention in practical applications still belong to the protection scope of the present invention.
为了更好的说明本发明，下方结合附图对本发明进行详细的描述。In order to better illustrate the present invention, the present invention will be described in detail below in conjunction with the accompanying drawings.
如图1～5所示，本发明的一种装配式混凝土框架结构梁柱刚性连接节点，包括框架梁、框架柱和梁柱刚性连接节点；As shown in Figures 1 to 5, a beam-column rigid connection node of a prefabricated concrete frame structure of the present invention includes a frame beam, a frame column and a beam-column rigid connection node;
所述的框架梁包括混凝土梁内纵筋7、混凝土梁内箍筋6、第一预埋件内螺纹钢筋4和第一钢板1，其中，所述的混凝土梁内箍筋6设于所述的混凝土梁内纵筋7的外侧，所述的第一钢板1设于所述的框架梁的端部，所述的凝土梁内纵筋7和所述的第一预埋件内螺纹钢筋4均与所述的第一钢板1上的塞焊孔处焊接；The frame beam includes the inner longitudinal reinforcement 7 of the concrete beam, the inner stirrup 6 of the concrete beam, the inner threaded steel bar 4 of the first embedded part and the first steel plate 1, wherein the inner stirrup 6 of the concrete beam is arranged on the The outer side of the inner longitudinal reinforcement 7 of the concrete beam, the first steel plate 1 is arranged at the end of the frame beam, the inner longitudinal reinforcement 7 of the concrete beam and the inner threaded steel bar of the first embedded part 4 are all welded to the plug welding holes on the first steel plate 1;
所述的框架柱包括混凝土柱内纵筋9、混凝土柱内箍筋8、第二预埋件内螺纹钢筋5、第二钢板2、第三钢板3，其中，所述的混凝土柱内箍筋8设于所述的混凝土柱内纵筋9的外侧，所述的第二钢板2和所述的第三钢板3分别位于所述的混凝土柱内箍筋8的外侧，且所述的第二预埋件内螺纹钢筋5通过所述的第二钢板2上的塞焊孔和所述的第三钢板3上的塞焊孔，将所述的第二钢板2和所述的第三钢板3连接一起；The frame column includes the longitudinal reinforcement 9 in the concrete column, the stirrup 8 in the concrete column, the internal threaded steel bar 5 of the second embedded part, the second steel plate 2, and the third steel plate 3, wherein the stirrup in the concrete column 8 is located outside the longitudinal reinforcement 9 in the concrete column, the second steel plate 2 and the third steel plate 3 are respectively located outside the stirrup 8 in the concrete column, and the second The internal thread steel bar 5 of the embedded part passes through the plug welding hole on the second steel plate 2 and the plug welding hole on the third steel plate 3, and connects the second steel plate 2 and the third steel plate 3 connect together;
所述的梁柱刚性连接节点包括H型钢10，所述的第一钢板1通过所述的H型钢10连接于所述的第二钢板2，所述的第二钢板2还连接有所述的第四钢板11，所述的第四钢板11又连接于所述的H型钢10的腹板上。The beam-column rigid connection node includes H-shaped steel 10, the first steel plate 1 is connected to the second steel plate 2 through the H-shaped steel 10, and the second steel plate 2 is also connected to the The fourth steel plate 11 , the fourth steel plate 11 is connected to the web of the H-shaped steel 10 .
因此，本发明先按该上述的框架梁和上述的框架柱的设置搭建浇筑模块，然后分别浇筑混泥土，得到混泥土梁和混泥土柱，浇筑后，将混泥土梁、混泥土柱运输至现场，再通过H型钢10焊接连接于预先埋置在框架梁端的第一钢板1和框架柱侧的第二钢板2，并通过第四钢板4螺栓12连接H型钢10腹板与柱侧钢板，实现梁柱刚性连接节点连接，H型钢10的连接处无须浇筑混凝土。Therefore, the present invention first builds the pouring module according to the settings of the above-mentioned frame beam and the above-mentioned frame column, and then pours concrete respectively to obtain concrete beams and concrete columns. After pouring, the concrete beams and concrete columns are transported to On site, the H-shaped steel 10 is welded and connected to the first steel plate 1 pre-embedded at the end of the frame beam and the second steel plate 2 on the side of the frame column, and the web of the H-shaped steel 10 is connected to the steel plate on the column side through the fourth steel plate 4 and bolts 12. The beam-column rigid connection node connection is realized, and the connection of the H-shaped steel 10 does not need to be poured with concrete.
具体地，框架梁由若干列混凝土柱内纵筋7构建，所述的混凝土梁内箍筋6沿所述的框架梁方向设置，同时在框架梁内还设置若干列所述的第一预埋件内螺纹钢筋4。本实施例有三列混凝土柱内纵筋7和两列所述的第一预埋件内螺纹钢筋4，其中，混凝土柱内纵筋7最上列的钢筋与所述的H型钢10的上部翼缘处于同一平面，和最下列的钢筋与所述的H型钢10的下部翼缘处于同一平面。Specifically, the frame beam is constructed by several columns of longitudinal reinforcements 7 in concrete columns, and the inner stirrups 6 of the concrete beam are arranged along the direction of the frame beam, and several columns of the first pre-embedded Pieces of internal threaded steel bar 4. In this embodiment, there are three rows of longitudinal bars 7 in concrete columns and two rows of internally threaded steel bars 4 of the first embedded part, wherein the uppermost steel bars in the longitudinal bars 7 in concrete columns are connected to the upper flange of the H-shaped steel 10 Be in the same plane, and the lowermost steel bar and the lower flange of the H-shaped steel 10 are in the same plane.
所述的第二预埋件内螺纹钢筋5均与所述的第二钢板2和所述的第三钢板3平面垂直；且所述的第二预埋件内螺纹钢筋5包括若干列钢筋，其中，最上列的钢筋与所述的H型钢10的上部翼缘处于同一平面，和最下列的钢筋与所述的H型钢10的下部翼缘处于同一平面。本实施例所述的第二预埋件内螺纹钢筋5有四列钢筋。The internally threaded steel bars 5 of the second embedded part are all perpendicular to the planes of the second steel plate 2 and the third steel plate 3; and the internally threaded steel bars 5 of the second embedded part include several rows of steel bars, Wherein, the uppermost reinforcing bars are in the same plane as the upper flange of the H-shaped steel 10, and the lowermost reinforcing bars are in the same plane as the lower flange of the H-shaped steel 10. The internally threaded steel bar 5 of the second embedded part described in this embodiment has four rows of steel bars.
所述的H型钢10的上下翼缘均通过融透或角焊缝焊接于所述的第一钢板1；所述的H型钢10的上下翼缘均通过融透或角焊缝焊接于所述的第二钢板2。The upper and lower flanges of the H-shaped steel 10 are welded to the first steel plate 1 through penetration or fillet welds; the upper and lower flanges of the H-shaped steel 10 are welded to the first steel plate 1 through penetration or fillet welds. The second steel plate 2.
所述的第四钢板11通过螺栓12固定连接于所述的H型钢10的腹板上。The fourth steel plate 11 is fixedly connected to the web of the H-shaped steel 10 through bolts 12 .
所述的第四钢板11与所述的第二钢板2平面垂直，所述的第四钢板11通过融透或角焊缝焊接于所述的第二钢板2上。The fourth steel plate 11 is perpendicular to the plane of the second steel plate 2 , and the fourth steel plate 11 is welded to the second steel plate 2 through penetration or fillet weld.
此外，所述的混凝土柱内箍筋8沿所述的框架柱方向设置。In addition, the inner stirrup 8 of the concrete column is arranged along the direction of the frame column.
本发明的一种装配式混凝土框架结构梁柱刚性连接节点，在设计中根据结构承载力和变形要求确定装配式混凝土构件的截面以及配筋，其中，预埋钢板板厚、螺纹钢筋数量、钢筋直径根据梁和柱的极限承载力设计。A beam-column rigid connection node of a prefabricated concrete frame structure of the present invention, in the design, the section and reinforcement of the prefabricated concrete member are determined according to the structural bearing capacity and deformation requirements, wherein the thickness of the pre-embedded steel plate, the number of threaded steel bars, The diameter is designed according to the ultimate bearing capacity of beams and columns.
在施工中，按照设计规定的位置将预埋件搁置在装配式混凝土构件的模板上，再排放构件内纵筋、箍筋，待全部钢筋绑扎完毕后，浇筑混凝土，浇筑后运至现场用螺栓连接H型钢腹板与柱侧第二钢板，并焊接H型钢上下翼缘与柱内和梁内预埋钢板即可。During construction, the embedded parts are placed on the formwork of the prefabricated concrete component according to the position specified in the design, and then the internal longitudinal bars and stirrups of the component are discharged. After all the steel bars are bound, the concrete is poured and transported to the site with bolts after pouring. Connect the H-shaped steel web and the second steel plate on the column side, and weld the upper and lower flanges of the H-shaped steel with the pre-embedded steel plates in the column and beam.
实施例Example
以下通过装配式混凝土框架结构梁柱连接节点为例说明使用过程。该装配式混凝土框架结构中框架梁截面为300×600，框架柱截面为500×500。框架梁中受拉区配筋为2根Ф25的钢筋，受压区配筋为2根Ф20的钢筋，箍筋为Ф8@100，双肢箍。框架柱一边为2根Ф25和1根Ф20，另一边为2根Ф22和1根Ф18，箍筋为Ф8@100，双肢箍。梁端预埋件的第一钢板长度为570mm，宽度为270mm，厚度为25mm。梁端预埋件的第一预埋件内螺纹钢筋共4根，直径22mm，沿梁截面高度方向共2排，沿梁截面宽度方向共2排。柱内预埋件的第二钢板和第三钢板的长度均为570mm，宽度均为270mm，厚度均为25mm。柱内预埋件的第二预埋件内螺纹钢筋共8根，直径22mm，沿柱纵轴线方向共4排，沿柱横截面宽度方向共2排。H型钢长为400mm，高为514mm，宽为240mm，腹板厚为14mm，翼缘厚为25mm。The following uses the prefabricated concrete frame structure beam-column connection node as an example to illustrate the use process. The cross-section of the frame beam in the prefabricated concrete frame structure is 300×600, and the cross-section of the frame column is 500×500. The reinforcement in the tension area of the frame beam is 2 Ф25 steel bars, the compression area is 2 Ф20 steel bars, the stirrups are Ф8@100, double-leg hoops. There are 2 Ф25 and 1 Ф20 on one side of the frame column, 2 Ф22 and 1 Ф18 on the other side, the stirrup is Ф8@100, and the double leg hoop. The length of the first steel plate of the beam end embedded part is 570mm, the width is 270mm, and the thickness is 25mm. There are 4 internal threaded steel bars in the first embedded part of the embedded part at the beam end, with a diameter of 22mm, 2 rows along the height direction of the beam section, and 2 rows along the width direction of the beam section. The length of the second steel plate and the third steel plate of the embedded part in the column are both 570mm, the width is 270mm, and the thickness is 25mm. There are 8 internally threaded steel bars in the second embedded part of the embedded part in the column, with a diameter of 22mm, 4 rows along the longitudinal axis of the column, and 2 rows along the width direction of the column cross section. The length of the H-shaped steel is 400mm, the height is 514mm, the width is 240mm, the web thickness is 14mm, and the flange thickness is 25mm.
以上公开的本发明优选实施例只是用于帮助阐述本发明。优选实施例并没有详尽叙述所有的细节，也不限制该发明仅为所述的具体实施方式。显然，根据本说明书的内容，可作很多的修改和变化。本说明书选取并具体描述这些实施例，是为了更好地解释本发明的原理和实际应用，从而使所属技术领域技术人员能很好地理解和利用本发明。本发明仅受权利要求书及其全部范围和等效物的限制。The preferred embodiments of the invention disclosed above are only to help illustrate the invention. The preferred embodiments are not exhaustive in all detail, nor are the inventions limited to specific embodiments described. Obviously, many modifications and variations can be made based on the contents of this specification. This description selects and specifically describes these embodiments in order to better explain the principle and practical application of the present invention, so that those skilled in the art can well understand and utilize the present invention. The invention is to be limited only by the claims, along with their full scope and equivalents.
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Application publication date: 20170908 |