CN202969588U - Web-continuous flange-partially-cut-off enclosure frame type combined pitch point of composite frame consisting of reinforced concrete column and steel beam (RCS) - Google Patents

Abstract

The utility model discloses a web-continuous flange-partially-cut-off enclosure frame type combined pitch point of a composite frame consisting of a reinforced concrete column and a steel beam (RCS). The combined pitch point comprises a reinforced concrete column and a steel beam which vertically penetrates through the reinforced concrete column. The steel beam is composed of a steel beam flange, and two end portions of the steel beam flange are vertically connected with a steel beam web. The reinforced concrete column is formed by the fact that concrete is deposited in a longitudinal reinforced column. Parts of the steel beam flange, which penetrates through the reinforced concrete column vertically, are cut off. Parts, connected with the steel beam web at two ends, of the steel beam flange are pitch joint webs. Face bearing plates are respectively vertically distributed at two ends of each pitch joint web. Extending ends of the left ends and the right ends of the face bearing plates are respectively connected with a column face steel plate. The two face bearing plates, the extending ends of the face bearing plates, the two column face steel plates, a longitudinal steel rib and the pitch joint web in the reinforced concrete column and the partially-cut-off steel beam flange form the core pitch point. A steel web of the pitch point mainly bears shear force, the steel beam flange extending end, the face bearing plates and the column face steel plates restrain core pitch point concrete, and anti-shearing bearing force of the pitch point is greatly improved.

Description

A kind of web continuously, edge of a wing Partial Resection enclose frame type RCS combined joint

Technical field

The utility model relates to the Steel concrete combining structure, particularly a kind of reinforced concrete post-girder steel combined joint, namely web continuously, edge of a wing Partial Resection enclose frame type RCS combined joint.

Background technology

Reinforced concrete post-girder steel composite frame structure (composite frame consisting of Reinforced Concrete column and Steel beam, be called for short RCS) different materials of having given full play to steel concrete and steel member advantage separately is a kind of low cost, high efficiency form of structure.Reinforced concrete post-steel beam structure system is a kind of succession and the development of pure steel structure and reinforced concrete structure, has more excellent stress performance and economy.Generally speaking, compare with pure steel structure, the compressive property of reinforced concrete post is good, and rigidity is large, and durability and refractoriness are good, thus saving steel, the stability of increase structure; Compare with reinforced concrete structure, the anti-bending strength of girder steel is good, and quality is light, easy construction, and the sectional dimension of members less, thus can increase effective usage space, accelerating construction progress.Can also alleviate simultaneously the superstructure deadweight, reduce the caused structural internal force of geological process etc.Yet because connected node structural form and stress performance in this form of structure are all more complicated, only the U.S. and Japan allow to adopt this form of structure in Practical Project at present.Also do not adopt the case history of RCS composite frame structure in the civilian construction structure of China.Analyzing reason, is mainly present RCS combined joint or the mode that adopts girder steel to connect, and namely girder steel continues to pass through reinforced concrete post, because the girder steel edge of a wing area of this node is larger, make the vertical muscle effective force in post, must bore a hole on the edge of a wing, cause constructional difficulties; And the larger edge of a wing also can cause concrete cast difficulty, also can affect construction speed; It is the mode that post connects, node is passed in the longitudinal reinforcement perforation that is reinforced concrete post, girder steel takes adequate measures (welding or bolt connect) to be connected in node both sides, because the girder steel of this node is discontinuous, often easily causing the Sudden failure of weld seam or the catastrophic failure of bolt, is not all desirable ductile fracture.Therefore, how research improves the structural form of RCS combined joint, can guarantee globality and the power transmission validity of joints, can facilitate concrete cast again, accelerating construction progress just becomes and applies reinforced concrete post-girder steel composite frame structure problem demanding prompt solution.

Summary of the invention

The technical problems to be solved in the utility model is: provide a kind of novel web continuously, the frame type RCS combined joint form of enclosing of edge of a wing Partial Resection, overcome the deficiency of common RCS combined joint construction measure, thereby greatly improved stress performance and the application property of reinforced concrete post-girder steel composite frame structure.

For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of web continuously, edge of a wing Partial Resection enclose frame type RCS combined joint, comprise reinforced concrete post and vertically pass the girder steel of this reinforced concrete post, girder steel is made of the girder steel edge of a wing that steel beam web plate vertically connects both ends; Reinforced concrete post is made of fluid concrete in longitudinal reinforcement, post, vertically pass the girder steel edge of a wing Partial Resection of reinforced concrete post, the part that is connected with the two ends steel beam web plate is the node web, there is the face board at the two ends of node web vertical distribution respectively, and face board left and right both ends of the surface board elongated end respectively is connected to a cylinder steel plate; The girder steel edge of a wing by longitudinal reinforcement, node web and Partial Resection in two sides board and face board elongated end and two cylinder steel plates and reinforced concrete post consists of core node.

Further, in combined joint of the present invention:

Described steel beam web plate and node web are continuous integrative-structure.

The girder steel edge of a wing elongated end on the described Partial Resection girder steel edge of a wing is to extend to the edge of a wing that keeps behind core node and the cut-out edge of a wing.

The girder steel edge of a wing elongated end on the described Partial Resection girder steel edge of a wing is 30 °～60 ° along the girder steel edge of a wing two side direction center excision angles.

Described board is steel, is welded between the girder steel edge of a wing of core node two side portions excision, and is positioned at reinforced concrete post, and its lateral surface is concordant with the steel concrete cylinder.

The face board elongated end at described cylinder steel plate and face board two ends joins, and cylinder steel plate medial surface is close to the steel concrete cylinder.

The longitudinal reinforcement of described reinforced concrete post is to connect continuously.

The stirrup of some layers of horizontal distribution is close to and is surrounded with to described longitudinally reinforcing bar periphery, and stirrup passes the node web, and the position of stirrup can be by node web constraint and fixing.

The beneficial effects of the utility model are, in core node (beam column intersection location), the main force transferring part of beam column is all continuous.The Partial Resection girder steel edge of a wing (can excise in batches and make in processing factory), on the one hand, both can guarantee the continuous perforation of longitudinal reinforcement in post, need not cut off does not need to bore a hole on the girder steel edge of a wing yet, be conducive to again concrete, realized the high efficiency of node construction; On the other hand, steel beam web plate need not cut off, and continues to pass through joint cores, has guaranteed the continuity of steel beam web plate, has realized the globality of node and the validity of power transmission.

On the basis of above-mentioned basic combined joint form, can by increasing other attaching means, further form the multiple combination form of architecture joints.Mainly contain: the forms such as cylinder steel plate type, stirrup type.

The core node of frame construction mainly bears shearing, and the steel web of this Novel series combination core node mainly bears shearing, and the very large node area shearing of the ratio of can bearing; The Main Function on the girder steel edge of a wing is the opposing bending moment, therefore on the node area cut-out edge of a wing, the part edge of a wing of excision has been saved material, has been facilitated construction, the remaining part edge of a wing had both guaranteed the stressed validity in the girder steel edge of a wing, can jointly form constraint to the joint cores concrete with the face board again, greatly improve the shear-carrying capacity of node.

The concrete of cylinder steel plate, stirrup restraint core node makes the shear-carrying capacity raising further again in core node district.

This Novel series combined joint can be used for reinforced concrete post-girder steel composite frame structure.In this structure, replace traditional rc-frame-beam with girder steel, girder steel and node all can be processed in advance and make in processing factory, greatly improve efficiency of construction.Can also can arrange profiled sheet or composite floor on girder steel, thereby save the concrete template of superstructure and support thereof, accelerate construction speed.The height of girder steel can reduce under identical load and span, has reduced the structure floor height, thereby has increased the utilization rate of architectural space.In addition, can also alleviate the superstructure deadweight, reduce the caused structural internal force of geological process.

Description of drawings

Fig. 1 be web continuously, edge of a wing Partial Resection enclose frame type RCS combined joint embodiment 1 schematic diagram.

Fig. 2 be web continuously, edge of a wing Partial Resection enclose frame type RCS combined joint embodiment 2 schematic diagrames.

In figure: 1 is the girder steel edge of a wing, and 1-1 is the girder steel edge of a wing elongated end on the Partial Resection girder steel edge of a wing, and 2 is steel beam web plate, and 2-1 is the node web, and 3 is the face board, and 3-1 is face board elongated end, and 4 is stirrup, and 5 is longitudinal reinforcement, and 6 is the cylinder steel plate.

The specific embodiment

Below in conjunction with instantiation and accompanying drawing, the utility model is described further.

As shown in Figure 1, this web continuously, edge of a wing Partial Resection enclose frame type RCS combined joint, comprise reinforced concrete post and vertically pass the girder steel of this reinforced concrete post, girder steel is made of the steel beam web plate 2 vertical girder steel edge of a wing that connects both ends 1; Reinforced concrete post is made of fluid concrete in longitudinal reinforcement 5, post, wherein, vertically pass the girder steel edge of a wing 1 Partial Resection of reinforced concrete post, the part that is connected with two ends steel beam web plate 2 is node web 2-1, there is face board 3 at the two ends of node web 2-1 vertical distribution respectively, and face board 3 left and right both ends of the surface board elongated end 3-1 respectively are connected to a cylinder steel plate 6; The girder steel edge of a wing 1 by longitudinal reinforcement 5, node web 2-1 and Partial Resection in two sides board 3 and face board elongated end 3-1 thereof and two cylinder steel plates 6 and reinforced concrete post consists of core node.

Steel beam web plate 2 of the present utility model is designed to continuous integrative-structure with node web 2-1, and namely steel beam web plate continues to pass through the reinforced concrete column part as the node web.The girder steel of the present utility model edge of a wing 1 extends to core node and the cut-out edge of a wing, is designed to the girder steel edge of a wing structure of Partial Resection, and the excision angle on the girder steel edge of a wing is 30 °～60 °.Concrete angle is definite according to the sectional dimension of girder steel and reinforced concrete column, and generally 45 ° is best.

Wherein, face board 3 is taked steel material, is welded on 1, the girder steel edge of a wing of core node two side portions excision, and is positioned at reinforced concrete post, and its lateral surface is concordant with the steel concrete cylinder.Cylinder steel plate 6 joins with the face board elongated end 3-1 at the two ends of face board 3, and the steel concrete cylinder is close in its inboard.The longitudinal reinforcement 5 of reinforced concrete post is to connect continuously, need not cut off and also not need perforation on the girder steel edge of a wing 1.

As shown in Figure 2, for the utility model web is continuous, embodiment 2 structural representations that enclose frame type RCS combined joint of edge of a wing Partial Resection, this structure is substantially with embodiment 1, difference is to be close to and to be surrounded with the stirrup 4 of some layers of horizontal distribution along longitudinal reinforcement 5 peripheries in reinforced concrete post.The stirrup 4 of core node passes node web 2-1, and the position of stirrup 4 can be by node web 2-1 constraint and fixing.

The utility model is by the girder steel edge of a wing by above-mentioned longitudinal reinforcement, two sides board, node web, Partial Resection, and the design of the different structure that consists of of different attaching means (cylinder steel plate, stirrup), stress performance and application property that can reinforcing steel bar concrete column-steel beam combined joint.

The construction technology of combined joint described in the utility model:

Web is continuous, the skeleton that encloses frame type RCS combined joint of edge of a wing Partial Resection is formed or processed by shaped steel by the Plate Welding of dimension as required, wherein, the excision angle on the girder steel edge of a wing of Partial Resection is 30 °～60 °, all can make in specialized steel structure company, then transport to the job site, carry out colligation with vertical muscle and stirrup (embodiment 2) again, thus further formwork and concreting.During colligation, first " [" u stirrup u passes by the prepunched web of design pitch (the RCS combined joint of cylinder steel plate type can not arrange stirrup (embodiment 1)), then sealing closes and connect, and then passes longitudinal reinforcement, and is integrated poured at last with two groups.If be connected to form space structures with girder steel, four L shaped stirrups can be passed prepunched web by design pitch, then welded closure, then pass longitudinal reinforcement, integrated poured at last.Reinforced concrete post-the steel-beam combination structure that designs by the utility model, node good integrity, force path are clearly, directly, retrained the core node concrete, improved bearing capacity, reduced space between concrete and steel plate, the concreting density is good, and convenient and quick construction, creates simultaneously certain Social benefit and economic benefit.

The above; it is only the better specific embodiment of the utility model; but protection domain of the present utility model is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the variation that can expect easily or replacement are within all should being encompassed in protection domain of the present utility model.

Claims (8)

1. A web continuously, edge of a wing Partial Resection enclose frame type RCS combined joint, comprise reinforced concrete post and vertically pass the girder steel of this reinforced concrete post, girder steel is made of the girder steel edge of a wing (1) that steel beam web plate (2) vertically connects both ends; Reinforced concrete post is made of fluid concrete in longitudinal reinforcement (5), post, it is characterized in that, the described girder steel edge of a wing (1) Partial Resection that vertically passes reinforced concrete post, the part that is connected with two ends steel beam web plate (2) is node web (2-1), there is face board (3) at the two ends of node web (2-1) vertical distribution respectively, and face board (3) left and right both ends of the surface board elongated end (3-1) respectively is connected to a cylinder steel plate (6); The girder steel edge of a wing (1) by longitudinal reinforcement (5), node web (2-1) and Partial Resection in two sides board (3) and face board elongated end (3-1) and two cylinder steel plates (6) and reinforced concrete post consists of core node.
2. Web according to claim 1 continuously, edge of a wing Partial Resection enclose frame type RCS combined joint, it is characterized in that, described steel beam web plate (2) is continuous integrative-structure with node web (2-1).
3. Web according to claim 1 continuously, edge of a wing Partial Resection enclose frame type RCS combined joint, it is characterized in that, the girder steel edge of a wing elongated end (1-1) on the described Partial Resection girder steel edge of a wing is for extending to the edge of a wing that keeps behind core node and the cut-out edge of a wing.
4. Web according to claim 3 continuously, edge of a wing Partial Resection enclose frame type RCS combined joint, it is characterized in that, the girder steel edge of a wing elongated end (1-1) on the described Partial Resection girder steel edge of a wing is 30 °～60 ° along the girder steel edge of a wing (1) two side direction center excision angle.
5. Web according to claim 1 continuously, edge of a wing Partial Resection enclose frame type RCS combined joint, it is characterized in that, described board (3) is steel, be welded between the girder steel edge of a wing (1) of core node two side portions excision, and being positioned at reinforced concrete post, its lateral surface is concordant with the steel concrete cylinder.
6. Web according to claim 1 continuously, edge of a wing Partial Resection enclose frame type RCS combined joint, it is characterized in that, described cylinder steel plate (6) is connected with the face board elongated end (3-1) at face board (3) two ends, and cylinder steel plate (6) medial surface is close to the steel concrete cylinder.
7. Web according to claim 1 continuously, edge of a wing Partial Resection enclose frame type RCS combined joint, it is characterized in that, the longitudinal reinforcement of described reinforced concrete post (5) is to connect continuously.
8. Web according to claim 1 continuously, edge of a wing Partial Resection enclose frame type RCS combined joint, it is characterized in that, the stirrup (4) of some layers of horizontal distribution is close to and is surrounded with to described longitudinally reinforcing bar (5) periphery, stirrup (4) passes node web (2-1), and the position of stirrup (4) is by node web (2-1) constraint and fixing.

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