CN214994611U - Connecting joint of dry-type connected precast beam column - Google Patents
Connecting joint of dry-type connected precast beam column Download PDFInfo
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- CN214994611U CN214994611U CN202021731664.2U CN202021731664U CN214994611U CN 214994611 U CN214994611 U CN 214994611U CN 202021731664 U CN202021731664 U CN 202021731664U CN 214994611 U CN214994611 U CN 214994611U
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Abstract
The utility model discloses a connected node of precast beam post that dry-type is connected, including precast post and an at least precast beam, its characterized in that: at least one side of the prefabricated column is provided with a bracket, at least one end part of the prefabricated beam horizontally protrudes outwards to form a tongue-and-groove, the prefabricated beam is lapped on the bracket through the tongue-and-groove, and a first connecting piece is pre-embedded in the prefabricated column at the position of the bracket; the prefabricated beam is characterized in that a metal connecting piece provided with a notch is fixedly arranged at the notch of the prefabricated beam, the metal connecting piece is connected with the first connecting piece through a bolt, and grouting materials are poured into a gap at the lap joint of the prefabricated beam and the prefabricated column and the notch of the beam bottom. The utility model belongs to the dry-type is connected, through setting up the tongue-and-groove in precast beam department, be equipped with bracket and tongue-and-groove overlap joint on prefabricated post, form reliable connection through bolted connection, on-the-spot reinforcing bar, template work load are little, and construction process is simple, and is with low costs, easy operation, and the construction is convenient, and the efficiency of construction is higher.
Description
Technical Field
The utility model relates to an assembly type structure technical field especially relates to a connected node of precast beam post that dry-type is connected.
Background
Since 2011 clearly proposes 'actively promoting building industrialization', the national academy intensively releases policy requirements for promoting building industrialization for many times. Under the high importance of the Chinese Central authorities and the State institutes, the development of the building industry of China is comprehensively subjected to structural adjustment and transformation upgrading, the development is started to the directions of greenization, industrialization, informatization and the like, the novel building industrialization which is mainly developed for the prefabricated building is greatly promoted, and a large number of prefabricated concrete structures are widely applied to building engineering. The prefabricated concrete structure generally means that building components are produced in advance in a factory, then transported to a construction site, and then assembled to form an integral structure, and has the advantages of flexible building space arrangement, high production efficiency, shorter construction period, good finished product quality, small environmental influence, sustainable development, less labor consumption and the like.
In order to ensure the anti-seismic performance of the fabricated node, the beam-column connection node widely used in China at present is wet connection, and the common connection mode comprises precast beam bottom rib anchoring connection and additional steel bar lap joint connection. The precast beam bottom rib anchoring connection is that firstly, the longitudinal steel bar extending outwards from the precast beam bottom directly extends into the position of the node core area to be anchored, and then the connecting area concrete is poured to form an integral structure. The additional steel bar lap joint does not need the longitudinal bar at the lower part of the precast beam to extend into the core area of the node, but carries out lap joint on the additional steel bar extending into or across the core area of the node and the steel bar extending out of the beam end, and then later pouring concrete to form an integral structure. The prefabricated beam bottom stressed steel bars in the two connection modes are designed to extend out of the beam end, so that the prefabricated beam bottom extended steel bars cause production inconvenience and are low in industrialization degree; the design intelligence degree is low due to the fact that the steel bars are avoided, when the precast beam is hoisted in place, the lower steel bars and the column steel bars collide, and the construction efficiency is low; the core area of the node has dense steel bars, poor concrete pouring quality, more field wet operation and manual operation, low construction efficiency and the like.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that not enough to above-mentioned prior art exists provides the connected node of the precast beam post that can improve the dry-type connection of efficiency of construction.
The utility model discloses the technical scheme who adopts does: the utility model provides a connected node of precast beam post of dry-type connection, includes precast post and at least one precast beam, its characterized in that: at least one side of the prefabricated column is provided with a bracket, at least one end part of the prefabricated beam horizontally protrudes outwards to form a tongue-and-groove, the prefabricated beam is lapped on the bracket through the tongue-and-groove, and a first connecting piece is pre-embedded in the prefabricated column at the position of the bracket; the prefabricated beam is characterized in that a metal connecting piece provided with a notch is fixedly arranged at the notch of the prefabricated beam, the metal connecting piece is connected with the first connecting piece through a bolt, and grouting materials are poured into a gap at the lap joint of the prefabricated beam and the prefabricated column and the notch of the beam bottom.
According to the technical scheme, a second connecting piece is further arranged above the bracket in the prefabricated column and is used for being connected with the upper longitudinal rib of the prefabricated beam.
According to the technical scheme, the metal connecting piece is of an inverted U-shaped structure, the metal connecting piece comprises an outer side wall, an upper end portion and an inner side wall which are sequentially connected, the three parts are enclosed to form the inverted U-shaped structure, bolt holes are formed in the outer side wall, and the upper end portion and the inner side wall are connected with the prefabricated beam through anchoring pieces respectively.
According to the technical scheme, the inner side wall is also connected with the lower longitudinal rib of the precast beam.
According to the technical scheme, the metal connecting piece is connected through the threaded sleeve, the threaded sleeve is connected with the longitudinal rib at the lower part of the precast beam through the bolt, and the threaded sleeve is welded on the inner side wall of the metal connecting piece.
According to the technical scheme, the hole is reserved at the upper end part of the metal connecting piece and is communicated with the exhaust hole reserved on the precast beam.
According to the technical scheme, the prefabricated columns are reinforced concrete prefabricated columns, and the prefabricated beams are reinforced concrete prefabricated beams.
According to the technical scheme, the precast beam comprises a precast beam body, a precast beam stirrup is arranged in the precast beam body, one part of the precast beam stirrup is pre-embedded in the precast beam body, and the other part of the precast beam stirrup protrudes out of the precast beam body.
According to the technical scheme, the precast beam stirrups are further provided with precast beam upper longitudinal ribs, precast beam additional longitudinal ribs and precast beam lower longitudinal ribs from top to bottom, and the precast beam additional longitudinal ribs are located at the bottoms of precast beam grooves and tongues.
According to the technical scheme, the first connecting piece is a connecting screw rod or a connecting steel bar, two ends of the first connecting piece are respectively connected with the threaded sleeves, the threaded sleeves are connected with the metal connecting piece through bolts, and the second connecting piece is a connecting screw rod or a connecting steel bar and is connected with the longitudinal bar on the upper portion of the precast beam through the threaded sleeves.
The utility model discloses the beneficial effect who gains does:
the utility model belongs to dry type connection, through setting up the tongue-and-groove in the precast beam department, there are corbels and lap joints of tongue-and-groove on the precast post, both form the reliable connection through bolted connection, the on-the-spot reinforcing bar, template work load are little, the construction process is simple, with low costs, easy operation, the construction is convenient, the efficiency of construction is higher; and the bracket acts as precast beam and supports, realizes that the roof beam exempts from to support, saves the process, reduce cost, and in addition, precast beam tip does not stretch out the reinforcing bar, improves side forms reuse rate, improves production efficiency, has solved the problem of precast beam and precast column reinforcing bar collision, and hoist and mount efficiency is high.
Drawings
Fig. 1 is the embodiment of the utility model provides a prefabricated post of dry-type connection and precast beam's connected node structure sketch map.
Fig. 2 is a schematic view of a connection node structure of another dry-type connected precast column and precast beam provided by the embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a precast beam provided by an embodiment of the present invention.
Fig. 4 is a sectional view a-a, a sectional view B-B, and a sectional view C-C of the precast beam of fig. 3.
Fig. 5 is a schematic structural diagram of a prefabricated column provided by an embodiment of the present invention.
Fig. 6 is a schematic view of a column bracket arrangement provided by an embodiment of the present invention.
Fig. 7 is a schematic structural diagram of another prefabricated column provided by the embodiment of the present invention.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
As shown in fig. 1, the present embodiment provides a connection node between a prefabricated column and a prefabricated beam in dry connection, including a prefabricated column 2 and at least one prefabricated beam 1, where at least one side of the prefabricated column 2 is provided with a corbel 25, two end portions of the prefabricated beam respectively protrude horizontally and outwards to form a tongue-and-groove 17, the prefabricated beam 1 is lapped on the corbel 27 through the tongue-and-groove 17, and a first connection member 27 is embedded in the prefabricated column at the corbel 25; the prefabricated beam 1 is provided with a metal connecting piece 15 which is provided with a groove opening and anchored at the groove opening, the first connecting piece 27 is connected with the metal connecting piece 15, and grouting materials are poured into the gap at the lap joint part of the prefabricated beam 1 and the prefabricated column 2 and the groove opening connected with the metal.
In this embodiment, as shown in fig. 2, a second connecting member 27a is further provided above the corbels of the precast columns prefabricated in multiple layers or connected in the middle layer, and the second connecting member is used for connecting with the upper longitudinal bars 5 of the precast girders.
As shown in fig. 3, in this embodiment, the precast beam 1 is a reinforced concrete precast beam, and includes a precast beam body, in which precast beam stirrups are disposed, and a part of the precast beam stirrups is embedded in the precast beam body, and another part of the precast beam stirrups protrudes out of the precast beam body. And the precast beam stirrup is also provided with a precast beam upper longitudinal rib 5, a precast beam additional longitudinal rib 122 and a precast beam lower longitudinal rib 12 from top to bottom, and the precast beam additional longitudinal rib 122 is positioned at the bottom of the precast beam rabbet and is used for reinforcing the strength of the precast beam rabbet.
As shown in fig. 4, when the height of the precast beam web is greater than or equal to 450mm, a beam side longitudinal rib and a precast beam hook steel bar 131 are further provided, the precast beam hook steel bar and the beam side longitudinal rib are matched and fixed on the precast beam stirrup in a multi-level manner, and are poured in the precast beam body when the precast beam component is poured. In this embodiment, the precast beam stirrup can be either closed 13a or open 13b hoops, and specifically can be designed according to actual conditions.
In this embodiment, the metal connecting member 15 is an inverted U-shaped structure, the metal connecting member includes an outer side wall, an upper end portion, and an inner side wall that are connected in sequence, the three are enclosed to form the inverted U-shaped structure, a bolt hole 151 is provided on the outer side wall, and the upper end portion and the inner side wall are connected with the precast beam through the anchoring member 16 respectively. In this embodiment, the anchoring member may be a pin welded at intervals to the upper end portion and outside the inner side wall of the metal connecting member 15. The metal connecting piece 15 is an inverted U-shaped steel, and a stiffening rib can be arranged on the U-shaped steel according to requirements. The inner side wall is also connected with a longitudinal bar 12 at the lower part of the precast beam which is pre-embedded in the precast beam. Specifically, the prefabricated beam lower longitudinal rib is connected with the prefabricated beam lower longitudinal rib 12 through a threaded sleeve 14, and the threaded sleeve 14 is welded on the outer portion of the inner side wall of the metal connecting piece.
In this embodiment, a hole is reserved in the upper end of the metal connecting piece 15 and is communicated with the exhaust hole 11 reserved in the precast beam, and the hole is used for grouting or exhausting the notch in the later stage.
As shown in fig. 5, the prefabricated column and the bracket are both prefabricated reinforced concrete columns, the prefabricated column 2 is a prefabricated hidden bracket column, the prefabricated bracket column is divided into a middle column, side columns and corner columns at the positions of the structure, the bracket 25 is arranged on four sides of the middle column, the bracket is arranged on three sides of the side column, and the bracket is arranged on two sides of the corner column, as shown in fig. 6.
As shown in fig. 5, the prefabricated column comprises a prefabricated column body, a first connecting piece 27 connected with the metal connecting piece 15 is embedded at the end part of the bracket on the prefabricated column body, the first connecting piece is a connecting screw rod or a connecting steel bar, the end part of the first connecting piece is connected with a threaded sleeve 26, and the threaded sleeve 26 is connected with a connecting bolt 4 arranged on the metal connecting piece. As shown in fig. 7, a second connecting piece 27a is further arranged above the corbel of the prefabricated column which is prefabricated in multiple layers or connected in the middle layer, the second connecting piece 27a is a connecting screw rod or a connecting steel bar, and the end part of the second connecting piece is connected with a threaded sleeve 26a and is connected with the upper longitudinal bar 5 of the prefabricated beam through the threaded sleeve 26 a.
The precast beam column in this embodiment is connected through bolt 4 and pre-buried threaded sleeve 26 in precast column, and gap and the beam bottom notch between the beam column are filled to reuse no shrink grout 6, arranges roof beam upper portion reinforcing bar and floor again, pours cast in situ concrete at precast beam slab lamination layer again, forms wholly.
The embodiments described above are some, but not all embodiments of the present application. The detailed description of the embodiments of the present application is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Claims (10)
1. The utility model provides a connected node of precast beam post of dry-type connection, includes precast post and at least one precast beam, its characterized in that: at least one side of the prefabricated column is provided with a bracket, at least one end part of the prefabricated beam horizontally protrudes outwards to form a tongue-and-groove, the prefabricated beam is lapped on the bracket through the tongue-and-groove, and a first connecting piece is pre-embedded in the prefabricated column at the position of the bracket; the prefabricated beam is characterized in that a metal connecting piece provided with a notch is fixedly arranged at the notch of the prefabricated beam, the metal connecting piece is connected with the first connecting piece through a bolt, and grouting materials are poured into a gap at the lap joint of the prefabricated beam and the prefabricated column and the notch of the beam bottom.
2. A connection node of dry-connected precast beam columns according to claim 1, characterized in that: and a second connecting piece is also arranged above the bracket in the prefabricated column and is used for being connected with the longitudinal bar at the upper part of the prefabricated beam.
3. A connection node of a dry-connected precast beam column according to claim 1 or 2, characterized in that: the metal connecting piece is of an inverted U-shaped structure, the metal connecting piece comprises an outer side wall, an upper end portion and an inner side wall which are sequentially connected, the outer side wall, the upper end portion and the inner side wall are enclosed to form the inverted U-shaped structure, bolt holes are formed in the outer side wall, and the upper end portion and the inner side wall are connected with the precast beam through anchoring pieces respectively.
4. A connection node of dry-connected precast beam columns according to claim 3, characterized in that: the inner side wall is also connected with the longitudinal ribs at the lower part of the precast beam.
5. A connection node of dry-connected precast beam columns according to claim 3, characterized in that: the metal connecting piece is connected through a threaded sleeve, the threaded sleeve is connected with the lower longitudinal rib of the precast beam through a bolt, and the threaded sleeve is welded on the inner side wall of the metal connecting piece.
6. A connection node of dry-connected precast beam columns according to claim 4, characterized in that: and a hole is reserved at the upper end part of the metal connecting piece and is communicated with an exhaust hole reserved on the precast beam.
7. A connection node of dry-connected precast beam columns according to claim 2, characterized in that: the prefabricated columns are reinforced concrete prefabricated columns, and the prefabricated beams are reinforced concrete prefabricated beams.
8. A connection node of a dry-connected precast beam column according to claim 1 or 2, characterized in that: the precast beam comprises a precast beam body, a precast beam stirrup is arranged in the precast beam body, one part of the precast beam stirrup is embedded in the precast beam body, and the other part of the precast beam stirrup protrudes out of the precast beam body.
9. A connection node of dry-connected precast beam columns according to claim 7, characterized in that: and the precast beam stirrup is also provided with a precast beam upper longitudinal rib, a precast beam additional longitudinal rib and a precast beam lower longitudinal rib from top to bottom, and the precast beam additional longitudinal rib is positioned at the bottom of the precast beam rabbet.
10. A connection node of dry-connected precast beam columns according to claim 2, characterized in that: the first connecting piece is a connecting screw or a connecting steel bar, two ends of the first connecting piece are respectively connected with a threaded sleeve, the threaded sleeves are connected with the metal connecting piece through bolts, and the second connecting piece is a connecting screw or a connecting steel bar and is connected with the longitudinal bar at the upper part of the precast beam through the threaded sleeves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021731664.2U CN214994611U (en) | 2020-08-18 | 2020-08-18 | Connecting joint of dry-type connected precast beam column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021731664.2U CN214994611U (en) | 2020-08-18 | 2020-08-18 | Connecting joint of dry-type connected precast beam column |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214994611U true CN214994611U (en) | 2021-12-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021731664.2U Active CN214994611U (en) | 2020-08-18 | 2020-08-18 | Connecting joint of dry-type connected precast beam column |
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| Country | Link |
|---|---|
| CN (1) | CN214994611U (en) |
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- 2020-08-18 CN CN202021731664.2U patent/CN214994611U/en active Active
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