CN111456232A - Full-assembly type concrete hinged frame-support system - Google Patents

Abstract

The invention relates to a full-assembly type concrete hinged frame-supporting system, which comprises a non-layered through-length prefabricated column, a prefabricated beam, a prefabricated plate and a supporting piece, and also comprises a column-foundation connecting node, a beam-column connecting node and a plate-beam connecting node which are all in dry connection; wherein, the column foot of the prefabricated column is hinged with the foundation; the precast beam is hinged with the precast column; the precast slab is simply supported on the precast beam; two ends of the supporting piece are respectively hinged to two adjacent prefabricated columns; the prefabricated slab is post-poured with a superposed layer to ensure the horizontal force transmission of the floor slab. The dry-type connection is adopted for the nodes, the field wet operation amount can be effectively avoided, convenient construction is realized, the elastic-plastic deformation of the beam column and other members is mainly concentrated on the connection part under the action of an earthquake, so that the connection part can be continuously used only by repairing the connection part after the earthquake, the repair after the earthquake is realized, and the dry-type connection has better economic performance.

Description

A fully assembled concrete hinged frame-support system

technical field

The invention relates to a structural system for buildings, in particular to a fully assembled concrete hinged frame-support system.

Background technique

With the development of construction industrialization in China, the prefabricated concrete frame-support system has been widely used in recent years because of its good seismic performance, high prefabricated assembly degree, and significant comprehensive economic benefits. At present, the commonly used connection nodes of prefabricated components in this system, such as columns and foundations, beams and columns, etc., are connected by post-cast concrete and reinforced sleeve grouting. Although the structural force can be equivalent to cast-in-place, there is a large amount of on-site wet work. , The construction technology requirements are high and insufficient.

SUMMARY OF THE INVENTION

In view of the above technical problems existing in the prior art, the present invention provides a fully assembled concrete hinged frame-support system, which can effectively avoid on-site wet work and realize convenient construction.

The invention relates to a fully assembled concrete hinged frame-support system, comprising prefabricated columns, prefabricated beams, prefabricated slabs and supports that are not layered and long, as well as column-foundation connection nodes, beam- Column connection node and plate-beam connection node; wherein, the column foot of the prefabricated column is hinged to the foundation; the prefabricated beam is hingedly connected to the prefabricated column; the prefabricated plate is simply supported on the prefabricated beam; the The two ends of the support piece are respectively hinged to the two adjacent prefabricated columns; the prefabricated slabs are post-pouring superimposed layers to ensure the horizontal force transmission of the floor slabs.

In some embodiments, the prefabricated column includes a compression column foot, the longitudinal ribs of the compression column foot do not extend into the foundation, and the compression column foot is hinged to the foundation; the compression column The bottom surface of the foot is provided with a shear key, the shear key is embedded in the foundation, and the horizontal force is transmitted through the shear key.

In some embodiments, the prefabricated column includes a tension column foot, the longitudinal ribs of the tension column foot do not extend into the foundation, and the tension column foot is hinged to the foundation; the tension column The bottom surface of the foot is provided with a column foot bottom plate, the column foot bottom plate is connected with a shear key and an anchor bolt, the shear resistance key and the anchor bolt are embedded in the foundation, the horizontal force is transmitted through the shear key, and the anchor bolt The bolt transmits vertical tension.

In some embodiments, the prefabricated column is provided with a steel corbel on the top layer, the prefabricated beam on the top layer is hinged to the prefabricated column through the steel corbel, and two ends of the support member are respectively provided with connecting pieces, The connecting piece is connected with the steel corbel by welding; the prefabricated column is provided with a first vertical connecting plate in the middle layer, and the prefabricated beam in the middle layer is hinged to the prefabricated beam through the first vertical connecting plate The two ends of the support member are respectively provided with connecting pieces, and the connecting pieces are respectively connected with the first vertical connecting plate by welding; the prefabricated column is provided with a second vertical connecting plate at the lower part of the first floor, so The two ends of the supporting member are respectively provided with the connecting member, and the connecting member is connected with the second vertical connecting plate by welding.

In some embodiments, the prefabricated column is provided with embedded parts, and the steel corbel, the first vertical connecting plate, and the second vertical connecting plate are all connected with the prefabricated column through the embedded parts. Fixed connection.

In some embodiments, rubber gaskets are arranged between the prefabricated beams and the steel corbels on the top layer, and the prefabricated beams and the steel corbels are connected by inserting ribs.

In some embodiments, the end of the prefabricated beam of the intermediate layer is provided with a connecting groove, and the first vertical connecting plate is inserted into the connecting groove to be connected with the prefabricated beam by bolts.

In some embodiments, the prefabricated concrete frame further comprises a prefabricated prestressed double T-board, and the prefabricated prestressed double T-board rests on the pick ears of the prefabricated beam through rubber spacers.

In some embodiments, the prefabricated concrete frame further includes a prefabricated hollow-core slab, and the prefabricated hollow-core slab rests on the beam top of the prefabricated beam through rubber spacers.

Compared with the prior art, the beneficial effect of the embodiment of the present invention is that the present invention adopts dry connection through the column-foundation connection node, the beam-column connection node and the plate-beam connection node, which can effectively avoid the on-site wet workload. , to achieve convenient construction, and under the action of the earthquake, the elastic-plastic deformation of beams, columns and other components is mainly concentrated in the connection parts, so after the earthquake, only the connection parts can be repaired to continue to use, and easy repair after the earthquake is realized. economic performance.

Description of drawings

In the drawings, which are not necessarily to scale, the same reference numbers may describe similar parts in different views. The same reference number with a letter suffix or a different letter suffix may denote different instances of similar components. The drawings illustrate various embodiments generally by way of example and not limitation, and together with the specification and claims serve to explain the disclosed embodiments. Where appropriate, the same reference numbers will be used throughout the drawings to refer to the same or like parts. Such embodiments are illustrative, and are not intended to be exhaustive or exclusive embodiments of the present apparatus or method.

FIG. 1 is a schematic view of the elevation structure of a fully assembled concrete hinged frame-support system according to an embodiment of the present invention;

FIG. 2 is a schematic view of a vertical structure of a compressed column foot according to an embodiment of the present invention;

FIG. 3 is a schematic diagram of a vertical structure of a tension column foot according to an embodiment of the present invention;

4 is a schematic diagram of a top node structure of a prefabricated column according to an embodiment of the present invention;

FIG. 5 is a schematic structural diagram of a middle layer node of a prefabricated column according to an embodiment of the present invention;

FIG. 6 is a schematic diagram of a first-layer node structure of a prefabricated column according to an embodiment of the present invention;

7 is a schematic structural diagram of a prefabricated board support node according to an embodiment of the present invention;

FIG. 8 is another structural schematic diagram of a prefabricated board support node according to an embodiment of the present invention.

Components denoted by reference numbers in the figures:

1-prefabricated column; 2-prefabricated beam; 3-support; 4-foundation; 5-shear key; 6-column foot bottom plate; 7-anchor bolt; 8-steel corbel; 9-connecting piece; A vertical connecting plate; 11- the second vertical connecting plate; 12- embedded parts; 13- rubber gasket; 14- insert ribs; 15- prefabricated prestressed double T plate; Hollow plate; 18-laminated layers.

Detailed ways

In order to make those skilled in the art better understand the technical solutions of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention are described in further detail below in conjunction with the accompanying drawings and specific embodiments, but are not intended to limit the present invention.

"First," "second," and similar words used herein do not denote any order, quantity, or importance, but are merely used to distinguish the different parts. "Comprising" or "comprising" and similar words mean that the element preceding the word covers the elements listed after the word, and does not exclude the possibility that other elements are also covered. "Up", "Down", "Left", "Right", etc. are only used to represent the relative positional relationship, and when the absolute position of the described object changes, the relative positional relationship may also change accordingly.

In the present invention, when it is described that a specific device is located between the first device and the second device, an intervening device may or may not exist between the specific device and the first device or the second device. When it is described that a specific device is connected to other devices, the specific device may be directly connected to the other device without intervening devices, or may not be directly connected to the other device but have intervening devices.

All terms (including technical or scientific terms) used in the present invention have the same meaning as understood by one of ordinary skill in the art to which this invention belongs, unless otherwise specifically defined. It should also be understood that terms defined in, for example, general-purpose dictionaries should be construed to have meanings consistent with their meanings in the context of the related art, and not to be construed in an idealized or highly formalized sense, unless explicitly stated herein. Defined like this.

Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, such techniques, methods, and apparatus should be considered part of the specification.

The present invention relates to a fully assembled concrete hinged frame-support system. FIG. 1 is a schematic elevational structure diagram of a fully assembled concrete hinged frame-support system according to an embodiment of the present invention. As shown in FIG. 1 , the fully assembled concrete hinged frame - The support system includes prefabricated columns 1, prefabricated beams 2, prefabricated slabs and supports 3 that are not layered and long , and also include column-foundation connection nodes, beam-column connection nodes and plate-beam connection nodes that are all dry connections; wherein, the column foot of the prefabricated column 1 is hinged to the foundation 4; the prefabricated beam 2 is hingedly connected to the prefabricated column 1; The prefabricated slab is simply supported on the prefabricated beam 2; the two ends of the support member 3 are hinged to the two adjacent prefabricated columns 1 respectively; horizontal force transmission. The above-mentioned nodes are all connected by dry connection, which can effectively avoid on-site wet work and realize convenient construction. Moreover, under the action of the earthquake, the elastic-plastic deformation of beams, columns and other components is mainly concentrated in the connection parts, so after the earthquake, only the connection parts need to be repaired. After the repair, it can be used continuously, and it is easy to repair after the earthquake, and has good economic performance. In addition, under the action of rare earthquake, the support 3 can take the lead in entering a plastic state, consuming seismic energy, and playing a certain "fuse" role, which can protect the main structure from damage or less damage, and also increase the structural damping. Effectively reduce the structural displacement and achieve the seismic fortification goals of "economical in small earthquakes, not damaged in moderate earthquakes, easy to repair in large earthquakes, and not collapsed in aftershocks".

In some embodiments, FIG. 2 is a schematic diagram of the vertical structure of the compression column foot according to the embodiment of the present invention. As shown in FIG. 2 , the prefabricated column 1 includes the compression column foot, and the longitudinal ribs of the compression column foot do not extend into the foundation 4 Inside, the compression column foot is hinged to the foundation 4; the bottom surface of the compression column foot is provided with a shear key 5, the shear key 5 is embedded in the foundation 4, and the horizontal force is transmitted through the shear key 5.

In some embodiments, FIG. 3 is a schematic diagram of the elevation structure of a tension column foot according to an embodiment of the present invention. As shown in FIG. 3 , the prefabricated column 1 includes a tension column foot, and the longitudinal ribs of the tension column foot do not extend into the foundation 4 Inside, the tension column foot is hinged to the foundation 4; the bottom surface of the tension column foot is provided with a column foot bottom plate 6, and the column foot bottom plate 6 is connected with a shear key 5 and an anchor bolt 7, preferably, the shear key 5 is connected to the column foot bottom In the middle of the plate 6, the anchor bolts 7 are connected to the edge of the column base plate 6, and the anchor bolts 7 are arranged symmetrically to effectively transmit the vertical tension. 5 transmits the horizontal force, and transmits the vertical tension force through the anchor bolt 7.

In some embodiments, FIG. 4 is a schematic diagram of the top node structure of a prefabricated column according to an embodiment of the present invention. As shown in FIG. 4 , the prefabricated column 1 is provided with a steel corbel 8 on the top layer, and the prefabricated beam 2 on the top layer is hinged through the steel corbel 8 In the prefabricated column 1, the two ends of the support member 3 are respectively provided with connecting pieces 9, and the connecting pieces 9 are connected with the steel corbel 8 by welding; FIG. 5 is a schematic diagram of the middle layer node structure of the prefabricated column according to the embodiment of the present invention, as shown in FIG. 5 . , the prefabricated column 1 is provided with a first vertical connecting plate 10 in the middle layer, the prefabricated beam 2 in the middle layer is hinged to the prefabricated column 1 through the first vertical connecting plate 10, and the two ends of the support member 3 are respectively provided with connecting members 9, The connecting pieces 9 are respectively connected to the first vertical connecting plate 10 by welding; FIG. 6 is a schematic diagram of the node structure of the first layer of the prefabricated column according to the embodiment of the present invention, as shown in FIG. On the connecting plate 11 , the two ends of the support member 3 are respectively provided with connecting members 9 , and the connecting members 9 are connected with the second vertical connecting plate 11 by welding.

In some embodiments, the prefabricated column 1 is provided with embedded parts 12 , and the steel corbel 8 , the first vertical connecting plate 10 , and the second vertical connecting plate 11 are all fixedly connected to the prefabricated column 1 through the embedded parts 12 , The fixed connection can be welded.

In some embodiments, continuing with reference to FIG. 4 , a rubber gasket 13 is provided between the prefabricated beam 2 on the top layer and the steel corbel 8 , and the prefabricated beam 2 and the steel corbel 8 are connected by inserting ribs 14 .

In some embodiments, continuing with reference to FIG. 5 , the end of the prefabricated beam 2 in the middle layer is provided with a connecting groove, and the first vertical connecting plate 10 is inserted into the connecting groove to be bolted to the prefabricated beam 2 .

In some embodiments, continuing with reference to FIG. 7 , the fabricated concrete frame further includes a prefabricated prestressed double T plate 15 , and the prefabricated prestressed double T plate 15 rests on the pick ears of the prefabricated beam 2 through rubber spacers 16 .

In some embodiments, continuing with reference to FIG. 8 , the fabricated concrete frame further includes a prefabricated hollow-core slab 17 , and the prefabricated hollow-core slab 17 rests on the beam top of the prefabricated beam 2 through the rubber spacer 16 .

Further, when a fully-assembled concrete hinged frame-support system according to the embodiment of the present invention is implemented on site, the specific construction steps are as follows: S1: Pre-embed the shear key 5 of the compression column foot in the foundation 4 according to the preset position and the anchor bolt 7 at the foot of the tension column, then hoist the prefabricated column 1 in place, and set up corresponding temporary support for it, the compression column foot is grouted, and the anchor bolt 7 is installed at the tension column foot and then grouted; S2: Arrange the rubber gasket 13 on the steel corbel 8, hoist the prefabricated beams 2 on the top layer in place, set corresponding temporary supports for them, and fill the reserved holes with grouting; S3: Hoist the prefabricated beams 2 on the middle layer in turn, and align them with Corresponding temporary supports are provided, and the first vertical connecting plate 10 is bolted to the prefabricated beam 2; S4: the support 3 is connected to the steel corbel 8, the first vertical connecting plate 10, the second vertical The connecting plate 11 is welded and connected; S5: Remove the temporary support.

Furthermore, although exemplary embodiments have been described herein, the scope includes any and all implementations of the present invention with equivalent elements, modifications, omissions, combinations (eg, where various embodiments intersect), adaptations, or alterations example. Elements in the claims are to be construed broadly based on the language employed in the claims, and are not to be limited to the examples described in this specification or during the practice of this application, the examples of which are to be construed as non-exclusive. Therefore, this specification and examples are intended to be regarded as examples only, with the true scope and spirit being indicated by the following claims along with their full scope of equivalents.

The above description is intended to be illustrative and not restrictive. For example, the above examples (or one or more of them) may be used in combination with each other. For example, other embodiments may be utilized by those of ordinary skill in the art upon reading the above description. Additionally, in the above Detailed Description, various features may be grouped together to simplify the present invention. This should not be construed as an intention that an unclaimed disclosed feature is essential to any claim. Rather, inventive subject matter may lie in less than all features of a particular disclosed embodiment. Thus, the following claims are hereby incorporated into the Detailed Description by way of example or embodiment, with each claim standing on its own as a separate embodiment, and it is contemplated that these embodiments may be combined with each other in various combinations or permutations. The scope of the invention should be determined with reference to the appended claims, along with the full scope of equivalents to which such claims are entitled.

The above embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and the protection scope of the present invention is defined by the claims. Those skilled in the art can make various modifications or equivalent replacements to the present invention within the spirit and protection scope of the present invention, and such modifications or equivalent replacements should also be regarded as falling within the protection scope of the present invention.

Claims (9)

1. a fully assembled concrete hinged frame-support system, comprising prefabricated columns, prefabricated beams, prefabricated slabs and supports that are not layered and long, it is characterized in that, comprise the column-foundation connection nodes that are dry connections, Beam-column connection node and plate-beam connection node; wherein, the column foot of the prefabricated column is hinged to the foundation; the prefabricated beam is hingedly connected to the prefabricated column; the prefabricated plate is simply supported on the prefabricated beam; The two ends of the support member are respectively hinged to the two adjacent prefabricated columns; the prefabricated plates are post-pouring laminated layers to ensure the horizontal force transmission of the floor slabs. 2 . The fully assembled concrete hinged frame-support system according to claim 1 , wherein the prefabricated column comprises a compression column foot, and the longitudinal reinforcement of the compression column foot does not extend into the foundation, 2 . The compression column foot is hinged to the foundation; the bottom surface of the compression column foot is provided with a shear key, the shear key is embedded in the foundation, and the horizontal force is transmitted through the shear key. 3. The fully assembled concrete hinged frame-support system according to claim 1, wherein the prefabricated column comprises a tension column foot, and the longitudinal reinforcement of the tension column foot does not extend into the foundation, The tension column foot is hinged to the foundation; the bottom surface of the tension column foot is provided with a column foot bottom plate, and the column foot bottom plate is connected with a shear key and an anchor bolt, the shear key and the anchor bolt Buried in the foundation, the horizontal force is transmitted through the shear key, and the vertical tensile force is transmitted through the anchor bolt. 4 . The fully assembled concrete hinged frame-support system according to claim 1 , wherein the prefabricated column is provided with steel corbels on the top layer, and the prefabricated beams on the top layer are hinged to all the steel corbels through the steel corbels. For the prefabricated column, two ends of the support piece are respectively provided with connecting pieces, and the connecting pieces are connected with the steel corbels by welding; The prefabricated beam is hinged to the prefabricated column through the first vertical connecting plate, the two ends of the supporting member are respectively provided with connecting pieces, and the connecting pieces are respectively connected with the first vertical connecting plate by welding; The prefabricated column is provided with a second vertical connecting plate at the lower part of the first layer, the two ends of the supporting member are respectively provided with the connecting piece, and the connecting piece is welded to the second vertical connecting plate. 5. The fully assembled concrete hinged frame-support system according to claim 4, wherein the prefabricated column is provided with embedded parts, the steel corbel, the first vertical connecting plate, the The second vertical connecting plates are all fixedly connected with the prefabricated columns through embedded parts. 6 . The fully assembled concrete hinged frame-support system according to claim 4 , wherein a rubber gasket is provided between the prefabricated beam and the steel corbel on the top layer, and the prefabricated beam is connected to the steel corbel. 7 . The steel corbels are connected by inserting bars. 7 . The fully assembled concrete hinged frame-support system according to claim 4 , wherein the end of the prefabricated beam in the middle layer is provided with a connecting groove, and the first vertical connecting plate is inserted into the connecting groove. 8 . Bolted connection with the prefabricated beam. 8 . The fully assembled concrete hinged frame-support system according to claim 1 , wherein the assembled concrete frame further comprises a prefabricated prestressed double T plate, and the prefabricated prestressed double T plate passes through a rubber pad. 9 . Rest on the pick ears of the prefabricated beam. 9 . The fully assembled concrete hinged frame-support system according to claim 1 , wherein the assembled concrete frame further comprises a prefabricated hollow-core slab, and the prefabricated hollow slab is placed on the prefabricated beam through a rubber pad. 10 . on top of the beam.

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