A fully assembled concrete articulated frame-support system

Abstract

The present invention relates to a fully assembled concrete hinged frame-support system, which includes non-layered and continuous prefabricated columns, prefabricated beams, prefabricated panels and supporting members, and also includes column-foundation connection nodes, beam-column connection nodes and panel-beam connection nodes, all of which are dry-connected; 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 panel is simply supported on the prefabricated beam; the two ends of the supporting member are respectively hinged to two adjacent prefabricated columns; and the prefabricated panel is post-cast on the superimposed layer to ensure the horizontal force transmission of the floor slab. The above nodes are all dry-connected, which can effectively avoid the amount of wet work on site and realize convenient construction. Moreover, under the action of an earthquake, the elastic-plastic deformation of components such as beams and columns is mainly concentrated at the connection parts. Therefore, after an earthquake, only the connection parts need to be repaired and the system can continue to be used, which can realize easy repair after an earthquake and has good economic performance.

Description

Technical Field

[0001] The invention relates to a structural system for buildings, in particular to a fully assembled concrete hinged frame-support system. Background Art

[0002] With the development of my country's building industrialization, the prefabricated concrete frame-support system has been more and more widely used in recent years due to its advantages such as good seismic performance, high degree of prefabrication and assembly, and significant comprehensive economic benefits. At present, the commonly used prefabricated component connection nodes of this system, such as columns and foundations, beams and columns, are connected by post-cast concrete and steel sleeve grouting. Although the structural force can be equivalent to cast-in-place, there are shortcomings such as large amount of wet work on site and high construction technology requirements. Summary of the invention

[0003] In view of the above-mentioned technical problems existing in the prior art, the present invention provides a fully assembled concrete articulated frame-support system, which can effectively avoid on-site wet work and realize convenient construction.

[0004] The present invention relates to a fully assembled concrete hinged frame-support system, comprising non-layered and continuous prefabricated columns, prefabricated beams, prefabricated panels and support members, and also comprising column-foundation connection nodes, beam-column connection nodes and panel-beam connection nodes, all of which are dry-connected; 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 panel is simply supported on the prefabricated beam; the two ends of the support member are respectively hinged to two adjacent prefabricated columns; and a post-cast overlapping layer is provided on the prefabricated panel to ensure the horizontal force transmission of the floor slab.

[0005] In some embodiments, the prefabricated column includes a compression column foot, the longitudinal reinforcement of the compression column foot does not extend into the foundation, and the compression column foot is hinged to the foundation; a shear key is provided on the bottom surface of the compression column foot, and the shear key is buried in the foundation, and horizontal force is transmitted through the shear key.

[0006] In some embodiments, the prefabricated column includes a tension column foot, the longitudinal reinforcement of the tension column foot does not extend into the foundation, and the tension column foot is hinged to the foundation; the bottom surface of the tension column foot is provided with a column foot base plate, and the column foot base plate is connected with a shear key and an anchor bolt, the shear key and the anchor bolt are buried in the foundation, and the horizontal force is transmitted through the shear key, and the vertical tension is transmitted through the anchor bolt.

[0007] 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 connecting pieces are respectively provided at both ends of the support member, and the connecting pieces are welded to the steel corbel; the prefabricated column is provided with a first vertical connecting plate on the middle layer, the prefabricated beam on the middle layer is hinged to the prefabricated column through the first vertical connecting plate, and connecting pieces are respectively provided at both ends of the support member, and the connecting pieces are respectively welded to the first vertical connecting plate; the prefabricated column is provided with a second vertical connecting plate at the lower part of the first floor, and the connecting pieces are respectively provided at both ends of the support member, and the connecting pieces are welded to the second vertical connecting plate.

[0008] In some embodiments, embedded parts are provided on the prefabricated columns, and the steel corbels, the first vertical connecting plates, and the second vertical connecting plates are all fixedly connected to the prefabricated columns via the embedded parts.

[0009] In some embodiments, a rubber gasket is provided between the prefabricated beam of the top layer and the steel corbel, and the prefabricated beam and the steel corbel are connected by dowel bars.

[0010] In some embodiments, a connection groove is provided at the end of the prefabricated beam of the middle layer, and the first vertical connection plate is inserted into the connection groove and connected with the prefabricated beam bolts.

[0011] In some embodiments, the prefabricated concrete frame further comprises a prefabricated prestressed double T-plate, which is placed on the ears of the prefabricated beams through rubber pads.

[0012] In some embodiments, the prefabricated concrete frame further comprises a prefabricated hollow slab, and the prefabricated hollow slab is placed on the top of the prefabricated beam through rubber pads.

[0013] Compared with the prior art, the beneficial effects of the embodiments of the present invention are as follows: 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 amount of wet work on site and realize convenient construction, and under the action of earthquake, the elastic-plastic deformation of components such as beams and columns is mainly concentrated in the connection parts. Therefore, after the earthquake, only the connection parts need to be repaired and they can continue to be used, which realizes easy repair after the earthquake and has good economic performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In the drawings, which are not necessarily drawn to scale, the same reference numerals may describe similar parts in different views. The same reference numerals with letter suffixes or different letter suffixes may represent different instances of similar parts. The accompanying drawings generally illustrate various embodiments by way of example and not limitation, and together with the specification and claims, are used to illustrate the disclosed embodiments. When appropriate, the same reference numerals are used throughout the drawings to refer to the same or similar parts. Such embodiments are illustrative and are not intended to be exhaustive or exclusive embodiments of the present apparatus or method.

[0015] Figure 1 It is a schematic diagram of the elevation structure of a fully assembled concrete hinged frame-support system according to an embodiment of the present invention;

[0016] Figure 2 This is a schematic diagram of the elevation structure of a compressed column foot according to an embodiment of the present invention;

[0017] Figure 3 It is a schematic diagram of the elevation structure of the tension column foot according to an embodiment of the present invention;

[0018] Figure 4 This is a schematic diagram of the top node structure of a prefabricated column according to an embodiment of the present invention;

[0019] Figure 5 This is a schematic diagram of the node structure of the middle layer of the prefabricated column according to an embodiment of the present invention;

[0020] Figure 6 This is a schematic diagram of the first-floor node structure of a prefabricated column according to an embodiment of the present invention;

[0021] Figure 7 This is a schematic structural diagram of a prefabricated panel support node according to an embodiment of the present invention;

[0022] Figure 8 It is another structural schematic diagram of the prefabricated panel support node according to an embodiment of the present invention.

[0023] The components indicated by the reference numerals in the figures are:

[0024] 1-precast column; 2-precast beam; 3-support member; 4-foundation; 5-shear key; 6-column foot plate; 7-anchor bolt; 8-steel corbel; 9-connector; 10-first vertical connecting plate; 11-second vertical connecting plate; 12-embedded parts; 13-rubber gasket; 14-inserted reinforcement; 15-precast prestressed double T-plate; 16-rubber pad; 17-precast hollow slab; 18-overlay layer. DETAILED DESCRIPTION

[0025] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention is described in detail below in conjunction with the accompanying drawings and specific embodiments. The embodiments of the present invention are further described in detail below in conjunction with the accompanying drawings and specific embodiments, but are not intended to limit the present invention.

[0026] The words "first", "second" and similar words used in the present invention do not indicate any order, quantity or importance, but are only used to distinguish different parts. The words "include" or "comprise" and similar words mean that the elements before the word include the elements listed after the word, and do not exclude the possibility of including other elements. "Up", "down", "left", "right" and the like are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0027] In the present invention, when a specific device is described as being located between a first device and a second device, there may or may not be an intermediate device between the specific device and the first device or the second device. When a specific device is described as being connected to other devices, the specific device may be directly connected to the other devices without an intermediate device, or may not be directly connected to the other devices but have an intermediate device.

[0028] All terms (including technical terms or scientific terms) used in the present invention have the same meanings as those understood by ordinary technicians in the field to which the present invention belongs, unless otherwise specifically defined. It should also be understood that terms defined in general dictionaries should be interpreted as having meanings consistent with their meanings in the context of the relevant technology, and should not be interpreted in an idealized or extremely formal sense, unless explicitly defined herein.

[0029] Technologies, methods, and equipment known to ordinary technicians in the relevant art may not be discussed in detail, but where appropriate, the technologies, methods, and equipment should be considered as part of the specification.

[0030] The present invention relates to a fully assembled concrete articulated frame-support system. Figure 1 FIG. 1 is a schematic diagram of the elevation structure of a fully assembled concrete articulated frame-support system according to an embodiment of the present invention. Figure 1 As shown, the fully assembled concrete articulated frame-support system includes non-layered and continuous precast columns 1, precast beams 2, precast panels and support members 3. The structural form of the support member 3 is not unique. The support member 3 can be a steel support, a buckling restrained support or other support structure, and also includes column-foundation connection nodes, beam-column connection nodes and panel-beam connection nodes, all of which are dry-connected; wherein the column foot of the precast column 1 is hinged to the foundation 4; the precast beam 2 is hingedly connected to the precast column 1; the precast panel is simply supported on the precast beam 2; the two ends of the support member 3 are respectively hinged to two adjacent precast columns 1; the post-cast superimposed layer 18 (such as Figure 7 , 8 As shown), to ensure the horizontal force transmission of the floor. The above nodes are all dry-connected, which can effectively avoid the amount of wet work on site and realize convenient construction. Moreover, the elastic-plastic deformation of beams, columns and other components under the action of earthquakes is mainly concentrated in the connection parts. Therefore, after the earthquake, only the connection parts need to be repaired and they can continue to be used, which can achieve easy repair after the earthquake and has good economic performance. In addition, under the action of rare earthquakes, the support member 3 can first enter the plastic state, consume the earthquake energy, play a certain "fuse" role, and protect the main structure from or less damage. At the same time, it also increases the structural damping, effectively reduces the structural displacement, and realizes the seismic fortification goal of "small earthquake economy, medium earthquake no damage, large earthquake easy to repair, and aftershock no collapse".

[0031] In some embodiments, Figure 2 FIG. 1 is a schematic diagram of the elevation structure of the compressed column foot according to an embodiment of the present invention. Figure 2 As shown, the prefabricated column 1 includes a compression column foot, the longitudinal reinforcement of the compression column foot does not extend into the foundation 4, and the compression column foot is hinged to the foundation 4; a shear key 5 is provided on the bottom surface of the compression column foot, and the shear key 5 is buried in the foundation 4, and the horizontal force is transmitted through the shear key 5.

[0032] In some embodiments, Figure 3 FIG. 1 is a schematic diagram of the elevation structure of the tension column foot according to an embodiment of the present invention. Figure 3 As shown, the prefabricated column 1 includes a tension column foot, the longitudinal reinforcement of the tension column foot does not extend into the foundation 4, and the tension column foot is hinged to the foundation 4; the bottom surface of the tension column foot is provided with a column foot base plate 6, and the column foot base plate 6 is connected with a shear key 5 and an anchor bolt 7. Preferably, the shear key 5 is connected to the middle part of the column foot base plate 6, and the anchor bolt 7 is connected to the edge of the column foot base plate 6, and the anchor bolt 7 is symmetrically arranged to effectively transmit the vertical tension. The shear key 5 and the anchor bolt 7 are buried in the foundation 4, and the horizontal force is transmitted through the shear key 5, and the vertical tension is transmitted through the anchor bolt 7.

[0033] In some embodiments, Figure 4 Schematic diagram of the top node structure of the prefabricated column according to the embodiment of the present invention. Figure 4 As shown, the prefabricated column 1 is provided with a steel corbel 8 at the top layer, the prefabricated beam 2 at the top layer is hinged to the prefabricated column 1 through the steel corbel 8, and the two ends of the support member 3 are respectively provided with connecting members 9, and the connecting members 9 are welded to the steel corbel 8; Figure 5 Schematic diagram of the intermediate node structure of the prefabricated column according to the embodiment of the present invention. Figure 5 As shown, 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, and the connecting members 9 are respectively welded to the first vertical connecting plate 10; Figure 6 Schematic diagram of the first-floor node structure of the prefabricated column according to the embodiment of the present invention. Figure 6As shown, the prefabricated column 1 is provided with a second vertical connecting plate 11 at the lower part of the first floor, and connecting members 9 are respectively provided at both ends of the support member 3, and the connecting members 9 are welded to the second vertical connecting plate 11.

[0034] In some embodiments, an embedded part 12 is provided on the prefabricated column 1, and the steel corbel 8, the first vertical connecting plate 10, and the second vertical connecting plate 11 are fixedly connected to the prefabricated column 1 through the embedded part 12, and the fixed connection can be achieved by welding.

[0035] In some embodiments, the combination Figure 4 A rubber gasket 13 is provided between the prefabricated beam 2 of the top layer and the steel corbel 8, and the prefabricated beam 2 and the steel corbel 8 are connected by an inserted reinforcement 14.

[0036] In some embodiments, the combination Figure 5 A connection groove is provided at the end of the prefabricated beam 2 of the middle layer, and the first vertical connection plate 10 is inserted into the connection groove and connected with the prefabricated beam 2 by bolts.

[0037] In some embodiments, the combination Figure 7 The assembled concrete frame further comprises a prefabricated prestressed double T-plate 15 , which is placed on the lugs of the prefabricated beam 2 through a rubber pad 16 .

[0038] In some embodiments, the combination Figure 8 The assembled concrete frame further includes a prefabricated hollow slab 17 , which is placed on the top of the prefabricated beam 2 through a rubber pad 16 .

[0039] Furthermore, when a fully assembled concrete articulated frame-support system of an embodiment of the present invention is implemented on site, the specific construction steps are as follows: S1: pre-embed the shear keys 5 of the compression column feet and the anchor bolts 7 of the tension column feet in the foundation 4 according to the preset positions, then hoist the precast column 1 into place, and set corresponding temporary supports for it, grouting the compression column feet, and grouting the tension column feet after installing the anchor bolts 7; S2: arrange rubber gaskets 13 on the steel corbels 8, hoist the top precast beams 2 into place, and set corresponding temporary supports for it, and fill the reserved holes with grouting; S3: hoist the middle precast beams 2 in turn, and set corresponding temporary supports for them, and bolt the first vertical connecting plate 10 to the precast beams 2; S4: weld the support member 3 to the steel corbel 8, the first vertical connecting plate 10, and the second vertical connecting plate 11 through the connecting member 9; S5: remove the temporary support.

[0040] In addition, although exemplary embodiments have been described herein, the scope includes any and all embodiments based on the present invention with equivalent elements, modifications, omissions, combinations (e.g., various embodiments intersecting schemes), adaptations or changes. The elements in the claims will be interpreted broadly based on the language adopted in the claims, and are not limited to the examples described in this specification or during the implementation of this application, and the examples will be interpreted as non-exclusive. Therefore, this specification and examples are intended to be considered as examples only, and the true scope and spirit are indicated by the following claims and the full scope of their equivalents.

[0041] The above description is intended to be illustrative rather than restrictive. For example, the above examples (or one or more of them) can be used in combination with each other. For example, a person of ordinary skill in the art can use other embodiments when reading the above description. In addition, in the above-mentioned specific embodiments, various features can be grouped together to simplify the present invention. This should not be interpreted as an intention that a disclosed feature that is not required to be protected is necessary for any claim. On the contrary, the subject matter of the present invention may be less than all the features of a specific disclosed embodiment. Thus, the following claims are incorporated into the specific embodiments as examples or embodiments, wherein each claim is independently used as a separate embodiment, and it is considered that these embodiments can be combined with each other in various combinations or arrangements. The scope of the present invention should be determined with reference to the attached claims and the full scope of equivalent forms granted by these claims.

[0042] The above embodiments are only exemplary embodiments of the present invention and are not intended to limit the present invention. The protection scope of the present invention is defined by the claims. Those skilled in the art may make various modifications or equivalent substitutions to the present invention within the essence and protection scope of the present invention, and such modifications or equivalent substitutions shall also be deemed to fall within the protection scope of the present invention.

Claims

1. A fully assembled concrete articulated frame-support system, comprising non-layered and continuous prefabricated columns, prefabricated beams, prefabricated panels and support members, characterized in that: It includes column-foundation connection nodes, beam-column connection nodes and slab-beam connection nodes, all of which are dry-type connections; wherein the column foot of the precast column is hinged to the foundation; the precast beam is hingedly connected to the precast column; the precast slab is simply supported on the precast beam; the two ends of the support are respectively hinged to two adjacent precast columns; the precast slab has a post-cast superimposed layer to ensure the horizontal force transmission of the floor slab; The prefabricated column includes a compression column foot, the longitudinal reinforcement of the compression column foot does not extend into the foundation, and the compression column foot is hinged to the foundation; a shear key is provided on the bottom surface of the compression column foot, and the shear key is buried in the foundation, and the horizontal force is transmitted through the shear key; The prefabricated column comprises a tension column foot, the longitudinal reinforcement of the tension column foot does not extend into the foundation, and 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, the column foot bottom plate is connected with a shear key and an anchor bolt, the shear key and the anchor bolt are buried in the foundation, the horizontal force is transmitted through the shear key, and the vertical tension is transmitted through the anchor bolt; The prefabricated column is provided with a steel corbel on the top layer, and the prefabricated beam on the top layer is hinged to the prefabricated column through the steel corbel, and connecting pieces are respectively provided at both ends of the support member, and the connecting pieces are welded to the steel corbel; the prefabricated column is provided with a first vertical connecting plate on the middle layer, and the prefabricated beam on the middle layer is hinged to the prefabricated column through the first vertical connecting plate, and connecting pieces are respectively provided at both ends of the support member, and the connecting pieces are respectively welded to the first vertical connecting plate; the prefabricated column is provided with a second vertical connecting plate at the lower part of the first layer, and the connecting pieces are respectively provided at both ends of the support member, and the connecting pieces are welded to the second vertical connecting plate.

2. The fully assembled concrete articulated frame-support system according to claim 1 is characterized in that: 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 fixedly connected to the prefabricated column through the embedded parts.

3. The fully assembled concrete articulated frame-support system according to claim 1 is characterized in that: A rubber gasket is provided between the prefabricated beam of the top layer and the steel corbel, and the prefabricated beam and the steel corbel are connected by dowel bars.

4. The fully assembled concrete articulated frame-support system according to claim 1 is characterized in that: The end of the prefabricated beam of the middle layer is provided with a connection groove, and the first vertical connection plate is inserted into the connection groove and connected with the prefabricated beam bolts.

5. The fully assembled concrete articulated frame-support system according to claim 1 is characterized in that: It also includes a prefabricated prestressed double T-plate, which is placed on the lugs of the prefabricated beam through rubber pads.

6. The fully assembled concrete articulated frame-support system according to claim 1 is characterized in that: It also comprises a prefabricated hollow slab, which is placed on the top of the prefabricated beam through a rubber pad.

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