CN211369160U - Take hybrid junction's assembled shear force wall - Google Patents

Abstract

The utility model discloses a prefabricated shear wall with mixed connection nodes, comprising a top beam module of a pier with a wall and a bottom beam module of a pier with a wall, and further comprising a top beam module of a pier with a wall and a bottom beam module of a pier with a wall. There are several prefabricated wall panel modules between the prefabricated wall panel modules, the connection between each prefabricated wall panel module and the top beam module of the pier with wall and the bottom beam module of the pier with wall are respectively provided with several connectors, and the vertical connection between the adjacent prefabricated wall panel modules The energy-dissipating connection keys are arranged at the straight gaps, and the energy-dissipating connection keys include a pre-embedded part and a plastically deformable energy-dissipating part. For the energy part, this prefabricated shear wall with mixed connection nodes has a mixed connection method of horizontal strong connection and vertical weak connection. The energy-dissipating connection key is set on the deformed part, which not only ensures the high lateral stiffness of the shear wall, improves its ductility and energy-dissipating capacity, but also makes the transportation and hoisting of the components easier, which helps to further reduce the project cost. .

Description

A prefabricated shear wall with mixed connection nodes

technical field

The utility model relates to the technical field of civil engineering, in particular to an assembled shear wall with mixed connection nodes.

Background technique

The traditional construction industry faces problems such as low production efficiency, serious waste of resources, low degree of standardization, and difficult quality control. One of the effective ways to solve the above problems is to reform the existing construction methods and take the road of modernization of the construction industry, and the development of prefabricated buildings is an important way to realize the industrialization of buildings. one of the structural forms.

In the existing prefabricated shear wall structure, the traditional "equivalent cast-in-place" design concept is mainly adopted, that is, the prefabricated components are assembled by strong connection to ensure the integrity of the structure, but it also reflects that its poor ductility is prone to brittle failure. fact. In addition, when the size of the prefabricated wall panel is large, its transportation and hoisting equipment requirements are high, which further increases its construction cost.

Utility model content

The purpose of the utility model is to solve at least one of the technical problems existing in the prior art, and to provide an assembled shear wall with mixed connection nodes, which can solve the problem of the ductility performance caused by the strong connection mode of the existing assembled shear wall only. Bad technical issues.

According to an embodiment of the first aspect of the present invention, a prefabricated shear wall with mixed connection nodes is provided, which includes a top beam module with a wall pier and a bottom beam module with a wall pier, and also includes a top beam module with a wall pier and a bottom beam module with a wall pier. A number of prefabricated wall panel modules between the bottom beam modules of the pier with wall, the connection between each prefabricated wall panel module and the top beam module of the pier with wall and the bottom beam module of the pier with wall are respectively provided with several connecting pieces, and the adjacent prefabricated The vertical gaps between the wall panel modules are provided with energy-dissipating connection keys. The energy-dissipating connection keys include a pre-embedded part and a plastically deformable energy-dissipating part. An energy-consuming part is erected on the pre-embedded part.

Beneficial effect: This prefabricated shear wall with mixed connection nodes has a mixed connection mode of horizontal strong connection and vertical weak connection, dividing the whole shear wall into smaller-sized prefabricated wall panel modules, and the vertical joints are deformed. The energy-dissipating connection key is arranged on the part, which not only ensures the high lateral stiffness of the shear wall, improves its ductility and energy-dissipating capacity, but also makes the transportation and hoisting of the components easier, which helps to further reduce the project cost.

According to the assembled shear wall with mixed connection nodes according to the embodiment of the first aspect of the present utility model, the connecting parts include U-shaped connecting plate connecting parts and I-shaped connecting plate connecting parts, and each I-shaped connecting plate connecting part is inserted into the adjacent In the U-shaped connecting plate connector, it is fastened by bolts, and the matching connector is used for assembly with high-strength bolt connection, so the connection strength is higher.

According to the assembled shear wall with mixed connection nodes according to the embodiment of the first aspect of the present invention, Q345 steel is used as the material of the connecting piece, and the strength of the steel is more suitable for the connecting piece.

According to the prefabricated shear wall with hybrid connection nodes according to the first aspect of the present invention, each pre-embedded part includes two anchoring bottom plates embedded in the prefabricated wall panel module and several connecting steel bars arranged in the middle of the two anchoring bottom plates. , making the on-site splicing more convenient.

According to the assembled shear wall with mixed connection nodes according to the embodiment of the first aspect of the present invention, the energy dissipation part is the connection plate fixed on the anchoring bottom plate, and the yield strength of the connection plate is not higher than 225MPa, which ensures that the connection plate is prone to plasticity. Deformation consumes energy.

According to the prefabricated shear wall with mixed connection nodes according to the first aspect of the present invention, the connection plate is a steel plate of LY160 specification, which has a low yield point and better energy consumption effect.

According to the assembled shear wall with mixed connection nodes according to the embodiment of the first aspect of the present invention, grooves are respectively formed in the middle of the upper and lower ends of the connecting plate, and the setting enables the plastic deformation of the connecting plate to unfold from the middle, and the energy dissipation capacity is further improved. strengthen.

According to the assembled shear wall with mixed connection nodes according to the embodiment of the first aspect of the present invention, at least three groups of energy-dissipating connection keys are located at the vertical gaps between adjacent prefabricated wall panel modules, and different numbers of keys are flexibly arranged. Energy-dissipating connecting keys can deal with different mechanical requirements.

According to the prefabricated shear wall with mixed connection nodes according to the embodiment of the first aspect of the present invention, the vertical gaps between adjacent prefabricated wall panel modules are filled with polystyrene plastic to ensure the splicing quality of the prefabricated wall panel modules .

According to the assembled shear wall with mixed connection nodes according to the embodiment of the first aspect of the present invention, the stiffness ratio of the energy-dissipating connection keys to the adjacent prefabricated wall panel modules should be greater than 1, so as to ensure that the energy-dissipating connection keys can follow the prefabricated wall panels. The relative motion of the modules dissipates energy.

Description of drawings

In order to illustrate the technical solutions in the embodiments of the present invention more clearly, the following briefly describes the accompanying drawings that are used in the description of the embodiments. Obviously, the described drawings are only a part of the embodiments of the present invention, but not all of the embodiments, and those skilled in the art can also obtain other design solutions and drawings according to these drawings without creative work.

Fig. 1 is the front view in the utility model embodiment;

Fig. 2 is the left side view in the utility model embodiment;

3 is a three-dimensional schematic diagram of an energy-consuming connection key in an embodiment of the present invention;

FIG. 4 is a three-dimensional schematic diagram of an I-shaped connecting plate steel connecting piece being inserted into a U-shaped connecting plate steel connecting piece in an embodiment of the present invention.

Detailed ways

This part will describe the specific embodiments of the present invention in detail, and the preferred embodiments of the present invention are shown in the accompanying drawings. Understand each technical feature and overall technical solution of the present invention, but it should not be construed as a limitation on the protection scope of the present invention.

In the description of the present utility model, it should be understood that the orientation descriptions related to orientations, such as up, down, front, rear, left, right, etc., are based on the orientation or positional relationship shown in the accompanying drawings, only It is for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention.

In the description of the present utility model, the meaning of several is one or more, the meaning of multiple is two or more, greater than, less than, exceeding, etc. are understood as not including this number, above, below, within, etc. are understood as including this number. If it is described that the first and the second are only for the purpose of distinguishing technical features, it cannot be understood as indicating or implying relative importance, or indicating the number of the indicated technical features or the order of the indicated technical features. relation.

In the description of the present invention, unless otherwise clearly defined, words such as setting, installation, connection should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in the present invention in combination with the specific content of the technical solution .

Referring to FIGS. 1 to 4 , a fabricated shear wall with mixed connection nodes includes a top beam module 10 with a pier with a wall and a bottom beam module 20 with a pier with a wall, and also includes a top beam module 10 provided on the pier with a wall and a pier with a wall. A plurality of prefabricated wall panel modules 30 between the pier bottom beam modules 20, the upper and lower ends of the prefabricated wall panel modules 30 are provided with connectors, and at the same time the wall pier of the top beam module 10 with a wall pier and the bottom beam module 20 with a wall pier are provided. The wall piers are also provided with connecting pieces respectively, and the vertical gaps between the adjacent prefabricated wall panel modules 30 are provided with energy-consuming connection keys 60, and the energy-consuming connection keys 60 can splicing the adjacent prefabricated wall panel modules 30. , the energy-consuming connecting key 60 includes a pre-embedded part and a plastically deformable energy-consuming part, each pre-embedded part is respectively arranged on the adjacent prefabricated wall panel modules 30, that is, the prefabricated wall panel modules 30 on both sides of the vertical gap are arranged on the , an energy dissipation part is erected on the two embedded parts, and the energy dissipation part produces plastic deformation with the relative movement of the prefabricated wall panel module 30 to dissipate energy. This prefabricated shear wall with mixed connection nodes has horizontal strong connections and The vertical weak connection hybrid connection method divides the whole shear wall into smaller-sized prefabricated wall panel modules 30, and sets the energy dissipation connection key 60 on the deformed part of the vertical joint, which not only ensures the high shear wall The anti-side stiffness improves its ductility and energy dissipation capacity, and it also makes the transportation and hoisting of the components easier, which helps to further reduce the project cost.

The prefabricated wall panel modules 30 are composed of reinforcing bars that need to be configured for the components themselves, pre-embedded parts of different connectors, and reinforcing bars in the pre-embedded areas of different connectors, and are prefabricated by concrete pouring. Similarly, the top beam module 10 of the pier with a wall and the bottom beam module 20 of the pier with a wall also include the steel bars that need to be configured for the components themselves, the embedded parts of different connectors and the reinforcing steel bars in the embedded areas of different connectors, and are prefabricated by concrete pouring. It is more convenient for on-site installation by inserting connectors at the same time as prefabricated in the factory.

In this embodiment, the connecting members include U-shaped connecting plate connecting members 50 and I-shaped connecting plate connecting members 40. Each I-shaped connecting plate connecting member 40 is inserted into the adjacent U-shaped connecting plate connecting member 50, and is connected by bolts. Fastening, using matching connectors and assembling with high-strength bolts, the connection strength is higher.

In other embodiments, after the connecting plate of the I-shaped connecting plate connecting member 40 is inserted between the two connecting plates of the U-shaped connecting plate connecting member 50 , the connection and fastening are performed by pulling bolts.

In this embodiment, the connector may be a steel connector.

In this embodiment, Q345 steel is used as the material of the connecting piece, and the strength of this steel is more suitable for the connecting piece.

In this embodiment, each pre-embedded part includes two anchoring bottom plates 62 embedded in the prefabricated wall panel module 30 and several connecting steel bars 61 arranged between the two anchoring bottom plates 62, which makes the on-site splicing more convenient.

In other embodiments, the pre-embedded parts may also be two anchor bottom plates 62 embedded in the prefabricated wall panel module 30 and steel bars welded between the two anchor bottom plates 62 .

In this embodiment, the energy dissipation part is the connecting plate 63 fixed on the anchoring bottom plate 62, and the yield strength of the connecting plate 63 is not higher than 225MPa, which ensures that the connecting plate 63 is prone to plastic deformation and energy dissipation.

In this embodiment, the connecting plate is a steel plate of LY160 specification, which has a low yield point and a better energy consumption effect.

In other embodiments, the connecting plate 63 is made of low yield point steel material such as LY225.

In this embodiment, the connecting plate 63 has a semi-circular arc-shaped groove in the middle of the upper and lower ends of the steel plate, which enables the plastic deformation of the connecting plate 63 to unfold from the middle and further enhances the energy dissipation capacity.

In other embodiments, the structural form of the connecting plate 63 can also be in the form of opening a slit in the middle of the steel plate.

In other embodiments, the structural form of the connecting plate 63 can also be in the form of a circular hole in the middle of the steel plate.

In this embodiment, the connecting plate 63 is fixed on the anchoring bottom plate 62 by welding.

In other embodiments, the connecting plate 63 is fixed on the anchoring bottom plate 62 by means of bolt connection.

In this embodiment, at least three groups of energy-dissipating connection keys 60 are spaced apart from each other and evenly arranged at the vertical gaps between adjacent prefabricated wall panel modules 30, and different numbers of energy-dissipating connection keys 60 can be flexibly arranged to deal with different mechanical requirements.

In other embodiments, an appropriate amount of energy-consuming connection keys 60 are arranged between each adjacent prefabricated wall panel modules 30 according to design requirements.

In this embodiment, two prefabricated wall panel modules 30 are spliced to each other.

In other embodiments, the prefabricated wall panel modules 30 can be assembled into multiple pieces, that is, more than two pieces, and the adjacent prefabricated wall panel modules 30 are connected through the energy-consuming connection keys 60 to divide the entire shear wall into smaller pieces. With the prefabricated wall panel module 30, the transportation and hoisting of the components are more convenient, which helps to further reduce the engineering cost.

In this embodiment, the vertical gaps between the adjacent prefabricated wall panel modules 30 are filled with polystyrene plastic to ensure the splicing quality of the prefabricated wall panel modules 30 .

In this embodiment, the stiffness ratio of the energy-dissipating connecting keys 60 to the adjacent prefabricated wall panel modules 30 should be greater than 1 to ensure that the energy-dissipating connecting keys 60 can dissipate energy along with the relative movement of the prefabricated wall panel modules 30 .

The prefabricated shear wall with mixed connection nodes goes out of the limitation of "equivalent to cast-in-place", so that the prefabricated shear wall has a mixed connection mode of horizontal strong connection and vertical weak connection, and divides the whole shear wall into dimensions The smaller prefabricated wall panel module 30 makes the transportation and hoisting of components easier and helps to further reduce the engineering cost. The prefabricated shear wall with mixed connection nodes includes a top beam module 10 with a wall pier and a pier bottom with a wall. Beam modules 20 , prefabricated wall panel modules 30 and connectors between modules and energy dissipating connection keys 60 .

The horizontal strong connection is the connection between the U-shaped connecting plate connector 50 and the corresponding I-shaped connecting plate connector 40, and the connector will be embedded in the top beam module 10 with wall pier and the bottom beam module with wall pier in advance during factory prefabrication 20 and the prefabricated wall panel module 30, the I-type connecting plate connector 40 is installed on the wall pier with the wall pier top beam module 10, and the U-shaped connecting plate connection is installed on the wall pier with the wall pier bottom beam module 20. 50, the upper end of the prefabricated wall panel module 30 is installed with a U-shaped connecting plate connector 50 corresponding to the I-shaped connecting plate connector 40 on the top beam module 10 with the wall pier, and the lower end of the prefabricated wall panel module 30 is installed with a The I-type connecting plate connector 40 corresponding to the U-shaped connecting plate connector 50 on the wall pier bottom beam module 20 is installed through the bolt holes reserved on the I-shaped connecting plate connector 40 and the U-shaped connecting plate connector 50 to install the friction type High-strength bolts for connection can effectively ensure the assembly quality of the shear wall.

The vertical weak connection is the energy-consuming connection key 60 connecting the adjacent prefabricated wall panel modules 30. The energy-consuming connection key 60 is divided into a pre-embedded part and an energy-consuming part, wherein the pre-embedded part will be prefabricated in the factory beforehand. Embedded in the top beam module 10 with wall pier, the bottom beam module 20 with wall pier and the prefabricated wall panel module 30, the embedded part includes the embedded part including the anchor bottom plate 62 and the connecting steel rod 61 embedded in the prefabricated wall panel module 30. , wherein the anchoring bottom plate 62 is embedded in the front and rear ends of the prefabricated wall panel module 30, and the two anchoring bottom plates 62 are connected by connecting steel rods 61, and the energy-consuming part will be installed on the anchoring bottom plate 62, and the energy-consuming part includes the connecting plate 63, Since both ends of the connecting plate 63 are connected and fixed with the anchoring bottom plate 62 respectively, the middle of the connecting plate 63 is located at the vertical gap between the two adjacent prefabricated wall panel modules 30. When the prefabricated wall panel modules 30 are subjected to lateral loads, the Relative vertical deformation occurs between the adjacent prefabricated wall panel modules 30, and the connecting plates 63 are plastically deformed to dissipate energy due to the deformation of the walls on both sides, specifically, the vertical gap between the adjacent prefabricated wall panel modules 30. The part of the connecting plate 63 at the junction will be stretched and narrowed, and as long as the connecting plate 63 is plastically deformed, energy consumption can be achieved.

However, if the connecting plate 63 is made of low-yield point steel, it is easier to yield and consume energy. Therefore, steel such as LY160 and LY225 is used. At the same time, the stiffness ratio between the energy-consuming connecting key 60 and the adjacent prefabricated wall panel module 30 should be greater than 1 to ensure energy-consuming connection. The keys 60 can dissipate energy with the relative movement of the prefabricated wallboard modules 30 .

On the construction site, first set the bottom beam modules 20 with wall piers in the pre-installation area, then hoist a number of prefabricated wall panel modules 30 determined according to the design requirements, and connect the I-type connecting plate connectors 40 at the lower end of each prefabricated wall panel module 30 in sequence. Inserted into each U-shaped connecting plate connector 50 on the bottom beam module 20 of the pier with wall and connected by various friction type high-strength bolts, and then hoisted the top beam module 10 of the pier with wall, through the top beam module 10 of the pier with wall Each I-shaped connecting plate connecting piece 40 is inserted into each U-shaped connecting plate connecting piece 50 on the upper end of each prefabricated wall panel module 30 and connected by each friction type high-strength bolt, that is, the horizontal strong connection is completed, and then several connecting plates are connected together. 63 is welded on the corresponding anchor bottom plate 62, that is, the weak vertical connection is completed, and after the installation of the connecting plate 63 is completed, the vertical gap between the adjacent prefabricated wall panel modules 30 is filled with polystyrene plastic. .

To sum up, the prefabricated shear wall with mixed connection nodes is especially suitable for the case where the shear wall span is large. The use of connectors and the installation of energy-dissipating connecting keys 60 on the deformed parts of the vertical joints not only ensures the high lateral stiffness of the shear wall, improves its ductility and energy-dissipation capacity, but also enables the transportation and hoisting of the components. It is more convenient and helps to further reduce the engineering cost.

The embodiments of the present utility model have been described in detail above in conjunction with the accompanying drawings, but the present utility model is not limited to the above-mentioned embodiments, and within the scope of knowledge possessed by those of ordinary skill in the technical field, the present utility model can also be used without departing from the purpose of the present utility model. make various changes.

Claims (10)

1. a prefabricated shear wall with mixed connection node, is characterized in that, comprises: roof beam module with wall pier (10); Bottom beam module with wall pier (20); A plurality of prefabricated wall panel modules (30) are arranged between the top beam module (10) of the pier with wall and the bottom beam module (20) of the pier with wall; a plurality of connectors, respectively arranged at the connection between each of the prefabricated wall panel modules (30) and the top beam module (10) with the wall pier and the bottom beam module (20) with the wall pier; An energy-dissipating connecting key (60) is arranged at a vertical gap between the adjacent prefabricated wall panel modules (30), the energy-dissipating connecting key (60) includes a pre-embedded part and a plastically deformable energy-dissipating part Each of the pre-embedded parts is respectively arranged on the adjacent prefabricated wall panel modules (30), and energy-consuming parts are erected on the two pre-embedded parts. 2. The prefabricated shear wall with mixed connection nodes according to claim 1, characterized in that: the connectors comprise U-shaped connecting plate connectors (50) and I-shaped connecting plate connectors (40), each The I-shaped connecting plate connecting pieces (40) are inserted into adjacent U-shaped connecting plate connecting pieces (50) and fastened by bolts. 3. The prefabricated shear wall with mixed connection nodes according to claim 2, characterized in that: Q345 steel is used as the material of the connection piece. 4. The prefabricated shear wall with hybrid connection nodes according to claim 1, characterized in that: each of the embedded parts comprises two anchoring bottom plates (62) embedded in the prefabricated wall panel module (30) and Several connecting steel bars (61) are arranged in the middle of the two anchoring bottom plates (62). 5. The assembled shear wall with mixed connection nodes according to claim 4, characterized in that: the energy dissipation part is a connecting plate (63) fixed on the anchoring bottom plate (62), and the connecting plate ( 63) The yield strength is not higher than 225MPa. 6 . The fabricated shear wall with mixed connection nodes according to claim 5 , wherein the connection plate ( 63 ) is a steel plate of LY160 specification. 7 . 7 . The prefabricated shear wall with mixed connection nodes according to claim 6 , wherein grooves are respectively provided in the middle parts of the upper end and the lower end of the connection plate ( 63 ). 8 . 8. The prefabricated shear wall with hybrid connection nodes according to claim 1, characterized in that: the vertical direction of each of the energy-dissipating connection keys (60) between adjacent prefabricated wall panel modules (30) At least three groups are arranged in the gap. 9. The prefabricated shear wall with mixed connection nodes according to claim 8, characterized in that: the vertical gaps between the adjacent prefabricated wall panel modules (30) are filled with polystyrene plastic. 10. The prefabricated shear wall with hybrid connection nodes according to claim 8, characterized in that: the stiffness ratio of the energy-dissipating connection keys (60) to the adjacent prefabricated wall panel modules (30) should be greater than 1.

Images