CN217601698U - Precast beam structure and connecting node of precast beam structure and precast column - Google Patents

Abstract

The utility model discloses a precast beam structure and with prefabricated post connected node thereof. Precast beam structure includes the roof beam body, floor connecting reinforcement is reserved to the upper surface of the roof beam body, the pre-buried first steel sheet connecting piece of both ends upper surface of the roof beam body, two side surfaces are pre-buried second steel sheet connecting piece respectively, just second steel sheet connecting piece on two side surfaces of the roof beam body sets up relatively, the roof beam body and relative setting set up the first connecting hole that an organic whole runs through on the second steel sheet connecting piece. The precast beam and the precast column are connected into a whole through a connecting steel plate; the prefabricated floor slab is arranged on the prefabricated beam, and the stable installation is realized through the floor slab connecting steel bars on the prefabricated beam and the connecting holes on the prefabricated floor slab. The utility model discloses production simple manufacture, the equipment is quick, and is little to the site operation influence, saves the construction site equipment time.

Description

Precast beam structure and connecting node of precast beam structure and precast column

Technical Field

The utility model relates to an assembly type structure, especially a precast beam structure and with prefabricated post connected node thereof.

Background

In the existing fabricated building, the prefabricated column as a structural column of the building is generally formed by connecting a plurality of sections of columns on site. The on-site connection of the columns not only needs to be assisted by large-scale equipment, but also needs a plurality of workers and a large number of auxiliary connecting pieces to realize the connection between the columns. Because the construction of building middle structure post sets up quantity greatly, every structure post all forms through the on-the-spot erection joint of multistage cylinder for the cylinder assembly occupies assemble duration by a wide margin, has delayed construction period.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that the production preparation technology to current assembly type structure is complicated, and the long not enough of equipment period, the utility model provides a production simple manufacture assembles quick precast beam structure and with prefabricated post connected node.

For solving the technical problem, the utility model provides a precast beam structure, it includes the roof beam body, floor connecting reinforcement is reserved to the upper surface of the roof beam body, the pre-buried first steel sheet connecting piece of both ends upper surface of the roof beam body, two side surfaces are pre-buried second steel sheet connecting piece respectively, just second steel sheet connecting piece on two side surfaces of the roof beam body sets up relatively, the roof beam body and relative setting set up the first connecting hole that an organic whole runs through on the second steel sheet connecting piece.

The utility model discloses not only through the pre-buried steel sheet connecting piece of tip at precast beam, make precast beam can become an organic whole through connecting plate and prefabricated post high-speed joint (welding or fastening connection), reserve the floor connecting reinforcement simultaneously on precast beam and make precast floor accessible connecting hole and floor connecting reinforcement be connected and realize that precast beam and precast floor's fast and stable are connected, precast beam's production simple manufacture moreover.

Preferably, the first steel plate connecting piece or the second steel plate connecting piece comprises an anchor plate, and anchor bars are welded on the back surface of the anchor plate.

Preferably, the anchor plate is provided with anchor bar connecting holes, and the end parts of the anchor bars penetrate through the anchor bar connecting holes and are connected through plug welding.

Preferably, the anchor plate is provided with four anchor bar connecting holes, the four anchor bar connecting holes are arranged in a square shape, and the anchor bars are welded to the anchor bar connecting holes respectively.

Preferably, one side of the roof beam body sets up the first ear of choosing that is used for building a border prefabricated staircase, just first stair connecting reinforcement is reserved to the upper surface of the first ear of choosing to the installation of convenient prefabricated staircase.

Preferably, the precast stair overlap joint is in after on the first ear of choosing, the upper portion and the lower part of precast stair respectively with the precast floor parallel and level that corresponds to the floor face appears the step after avoiding the installation of precast stair.

Preferably, the length of the beam body is equal to-2 x 10mm across to avoid that the precast beam cannot be put between precast columns to achieve connection due to production errors.

Based on the same invention concept, the utility model also provides a precast beam and precast column connected node, it includes precast column, precast column strides the floor and extends to the structure capital, and the roof beam hookup location pre-buried third steel sheet connecting piece of precast column; the precast beam is arranged at the beam connecting position of the precast column and connected with the precast column, a first steel plate connecting piece of the precast beam is connected with a third steel plate connecting piece on the precast column through a first connecting steel plate into a whole, a second steel plate connecting piece on one side of the precast beam is connected with the precast column through a second connecting steel plate into a whole, a second steel plate connecting piece on the other side of the precast beam is connected with a third steel plate connecting piece on the precast column through a third connecting steel plate into a whole, one end of the second connecting steel plate, one end of the third connecting steel plate and the precast beam are fastened and connected into a whole through a fastener penetrating through the first connecting hole, and the other end of the second connecting steel plate and the other end of the third connecting steel plate are respectively welded with the third steel plate connecting piece on the precast column into a whole.

Preferably, one side of the precast beam is flush with one side of the precast column.

Preferably, one end of the precast beam is connected to one side of the precast column, and an end of the precast beam is located at a middle of a connection surface of the precast column.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses precast beam not only produces simple manufacture, and through the pre-buried steel sheet connecting piece of tip at precast beam, make precast beam can become an organic whole through connecting steel sheet and precast column high-speed joint (welding or fastening connection), it makes being connected of precast floor accessible connecting hole and floor connecting reinforcement and realizes precast beam and precast floor's fast and stable connection to reserve the floor connecting reinforcement simultaneously on precast beam, make prefabricated column and precast beam can be accomplished in very short time to the fabricated construction, precast floor and precast beam's equipment, save a large amount of assemble duration, save construction cost.

Drawings

In order to clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the description below are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a three-dimensional structure diagram of the fully-assembled building of the utility model.

Fig. 2 is a three-dimensional structure diagram of the foundation pit type foundation of the present invention.

Fig. 3 is a three-dimensional structure diagram (3-storey building) of the prefabricated column of the present invention.

Fig. 4 is a perspective structural view of a precast beam according to a first embodiment of the present invention.

Fig. 5 is the utility model discloses in be used as the lapped precast beam's of prefabricated staircase three-dimensional structure chart.

Fig. 6 is the utility model discloses precast floor slab embodiment one's spatial structure chart.

Fig. 7 is the three-dimensional structure of the prefabricated staircase of the utility model.

Fig. 8 is the three-dimensional structure diagram of the prefabricated rest platform of the utility model.

Figure 9 is the utility model discloses precast floor slab and precast beam connected node embodiment one's schematic structure drawing.

Fig. 10 is the utility model discloses precast floor slab and precast floor slab connected node embodiment one's schematic structure diagram.

Fig. 11 is a schematic structural view of the steel plate connecting member of the present invention, wherein a is a front view and b is a side view.

Fig. 12 is a schematic view (front view) of the connection between the precast beam and the precast column according to the present invention.

Fig. 13 is a schematic view (overlooking) of the connection between the precast beam and the precast column of the present invention.

Fig. 14 is a schematic connection diagram (front view) when the side of the precast beam is flush with the side of the precast column according to the present invention.

Fig. 15 is a schematic connection diagram (overlook) when the side of the precast beam is flush with the side of the precast column according to the present invention.

Fig. 16 is a schematic view of the connection between the foundation pit type foundation and the precast column according to the present invention.

Fig. 17 is a three-dimensional structure diagram of the building foundation of the present invention.

Fig. 18 is a three-dimensional structure view of the prefabricated column of the present invention after being installed on the foundation.

Fig. 19 is a three-dimensional structure view of the installation of the second floor precast beam of the present invention.

Figure 20 is the utility model discloses the spatial structure chart of prefabricated half space and prefabricated stair installation of second floor.

Fig. 21 is a perspective view of the second floor installation of the present invention.

Fig. 22 is a three-dimensional structure view of the third floor installation of the present invention.

Detailed Description

The invention is further described below with reference to specific preferred embodiments, without thereby limiting the scope of protection of the invention.

For convenience of description, the relative positional relationship of the components, such as: the descriptions of the upper, lower, left, right, etc. are described with reference to the layout directions of the drawings in the specification, and do not limit the structure of the present application.

As shown in fig. 1, the utility model discloses an embodiment of full assembled building includes building foundation 1, prefabricated post 2, precast beam 3, precast floor 4, prefabricated staircase 5, prefabricated half space 6. Wherein:

the building foundation 1-is formed by pouring on a construction site, and comprises foundation pit type foundations 11 used for mounting the prefabricated columns 2 and beam type foundations 12 connecting the adjacent foundation pit type foundations 11, and the foundation pit type foundations 11 are connected with each other through the beam type foundations 12 to form the integral building foundation 1;

the prefabricated column 2-is a fully prefabricated concrete member, which is used as a structural column of a building, extends to the top of the building across floors, and third steel plate connecting pieces 21 are embedded around the connecting positions of beams of each floor of the prefabricated column, as shown in fig. 3;

as shown in fig. 4, the upper surfaces of the two ends of the precast beam 3 are respectively embedded with first steel plate connecting pieces 31, the two side surfaces are respectively embedded with second steel plate connecting pieces 32, the second steel plate connecting pieces 32 on the two side surfaces are arranged oppositely, and the beam body of the precast beam 3 and the second steel plate connecting pieces 32 arranged oppositely are provided with first connecting holes 33 which are integrally penetrated. The upper surface of the precast beam 3, on which the precast floor slab 4 needs to be installed, is reserved with floor slab connecting steel bars 34 (see fig. 4 and 5); a first lifting lug 35 is prefabricated at a corresponding position of a prefabricated beam 3 of the prefabricated staircase 5 to be bridged, and a first staircase connecting steel bar 36 is reserved on the upper surface of the first lifting lug 35 (as shown in fig. 5); second platform connecting steel bars 37 (shown in figure 1) are reserved on the upper surface of the prefabricated beam 3 for installing the prefabricated rest platform 6 at the stairwell. The length of the precast beam 3 is equal to-2 × 10mm of span length, so that a 10mm gap is reserved between the precast beam 3 and the precast columns 2, and the precast beam 3 cannot be placed between the precast columns 2 to realize connection due to production errors;

the prefabricated floor 4-is a full prefabricated concrete component, namely the thickness of the prefabricated floor 4 is the thickness of the structural slab, and a standard prefabricated floor 4 is spliced with each other to form a whole floor. As shown in fig. 6, a second connecting hole 41 is reserved at the beam connecting part of the prefabricated floor slab 4, a rabbet 42 is arranged at the splicing part of the floor slab, a first platform connecting steel bar 43 (as shown in fig. 1) is reserved at the mounting part of the rest platform, a second connecting hole 41 and the rabbet 42 are simultaneously arranged at the beam slab connecting part, as shown in fig. 9 and 10, the adjacent prefabricated floor slabs 4 are spliced through the rabbet 42, a high-grade mortar is filled in a splicing seam 44 to form a whole floor slab, the second connecting hole 41 on the prefabricated floor slab 4 is sleeved in the floor slab connecting steel bar 34 on the prefabricated beam 3, and the second connecting hole 41 is filled with the high-grade mortar to form a fixed connection;

the prefabricated staircase 5: the prefabricated staircase is a universal prefabricated staircase component, namely the upper part of the prefabricated staircase 5 is fixedly connected, and the lower part is a sliding support without holes. Specifically, as shown in fig. 7, a fourth connecting hole 51 is reserved at the upper part of the prefabricated staircase 5, and a connecting hole is not reserved at the lower part;

prefabricated rest platform 6-as shown in fig. 8, it includes the platform body, the top of the platform body sets up to landing slab 61, landing slab 61's below both sides set up terraced roof beam 62 respectively, and the both ends of terraced roof beam 62 set up the ladder 63 respectively, just set up the second on the terraced roof beam 62 of the stair connection side of the platform body and choose ear 67, the second is chosen the stair upper portion junction on the ear 67 and is reserved second stair connection reinforcing bar 64. The both ends of landing slab 61 correspond both sides ladder beam 62 respectively and set up ladder post 63, and the bottom of two ladder posts 63 is connected through prefabricated connecting plate 65 to reserve third connecting hole 66 on prefabricated connecting plate 65.

The first steel plate connecting piece 31, the second steel plate connecting piece 32 and the third steel plate connecting piece 21 are steel plate connecting pieces 7 with the same structure. As shown in fig. 11, the steel plate connecting member 7 includes an anchor plate 71 and anchor bars 72, four anchor bar connecting holes 73 are disposed on the anchor plate 71 and are distributed in a square shape, one anchor bar 72 passes through each anchor bar connecting hole 73, and the anchor plate 71 and the anchor bars 72 are connected into a whole by plug welding.

The utility model discloses an assembly method of full assembled building, as shown in fig. 17-22 and fig. 1, include the following step:

1) After the field terrace is leveled and tamped, the construction of the building foundation 1 is started: as shown in fig. 17, foundation pit type foundations 11 are cast in situ at column positions, beam type foundations 12 are cast in situ between the foundation pit type foundations 11, and the foundation pit type foundations 11 and the beam type foundations 12 jointly form a building foundation 1;

2) As shown in fig. 18, the bottom of the prefabricated column 2 is vertically placed in the foundation pit type foundation 11, and concrete is cast in situ between the prefabricated column 2 in the foundation pit type foundation 11 and the inner wall of the foundation pit type foundation, so that the prefabricated column 2 and the foundation pit type foundation 11 are fixedly connected together;

3) Installing a second layer of precast beams 3 between adjacent precast columns 2: as shown in fig. 19 and fig. 12 to 15, after the precast beam 3 is in place, the first connecting steel plate 8 is welded between the first steel plate connecting member 31 of the precast beam 3 and the third steel plate connecting member 21 of the adjacent precast column 2 to achieve connection; a screw is arranged in the first connecting hole 33 of the precast beam 2, two ends of the screw respectively penetrate through the second steel plate connecting pieces 32 on two sides of the precast beam 3, meanwhile, two ends of the screw are connected with one end of the second connecting steel plate 9 and one end of the third connecting steel plate 10 in a counter-pulling mode through nuts, and the other ends of the second connecting steel plate 9 and the third connecting steel plate 10 are welded with the third steel plate connecting pieces on the adjacent precast columns 2 into a whole; when the precast beam 3 is connected with the precast column 2, one side of the precast beam 3 can be flush with one side of the precast column 2 (as shown in fig. 14 and 15), and the end part of the precast beam 3 can also be arranged in the middle of the connecting surface of the precast column 2 (as shown in fig. 12 and 13);

4) Install prefabricated rest platform 6 on second floor on terrace and beam type basis 12: as shown in fig. 20, platform connecting steel bars are reserved at the prefabricated rest platform installation positions on the terrace and the beam type foundation 12, one end of the prefabricated rest platform 6 is arranged on the terrace, the other end of the prefabricated rest platform 6 is arranged on the beam type foundation 12, third connecting holes 66 at the bottoms of the two ends of the prefabricated rest platform 6 are respectively sleeved in the corresponding platform connecting steel bars, and the third connecting holes 66 are filled with first-grade mortar, so that the prefabricated rest platform 6 is fixed;

5) And (3) installing a second layer of prefabricated stairs 5: as shown in fig. 20, the upper part of the prefabricated staircase 5 positioned above the prefabricated rest platform 6 and the first lifting lug 35 of the prefabricated beam 3 on the upper layer are sleeved in the first staircase connecting steel bar through a fourth connecting hole 51 to form a fixed connection, the lower part of the prefabricated staircase is slidably connected with the second lifting lug of the prefabricated rest platform, and after the prefabricated staircase 5 is lapped on the first lifting lug 35, the upper part of the prefabricated staircase 5 is flush with the prefabricated floor slab 4 on the second layer; the upper part of the prefabricated staircase 5 positioned below the prefabricated rest platform 6 and a second lug of the prefabricated rest platform 6 are sleeved into the second staircase connecting steel bar through the fourth connecting hole to form fixed connection, and the lower part of the prefabricated staircase 5 is in sliding connection with the terrace;

6) And (3) installing a second layer of prefabricated floor slab 4: as shown in fig. 21, the prefabricated floor slab 4 is installed on the installed second layer of prefabricated beam 3, the second connecting hole 41 of the prefabricated floor slab 4 is aligned to the floor slab connecting steel bar on the prefabricated beam 3, the adjacent prefabricated floor slabs 4 are connected through the rabbet 42, the lower parts of the rabbet 42 are closely spliced, a splicing seam 44 with the width of 20mm is reserved at the upper part, the second connecting hole 41 is filled with high-grade mortar, and the splicing seam 44 is filled with waterproof mortar;

7) As shown in fig. 22 and fig. 1, other floor installation is completed according to the procedures of prefabricated beam 3 installation, prefabricated rest platform 6 installation, prefabricated staircase 5 installation and prefabricated floor slab 4 installation. When the prefabricated rest platforms 6 of other floors are installed, one end of each prefabricated rest platform 6 is arranged on the lower-layer prefabricated floor 4, the other end of each prefabricated rest platform 6 is arranged on the prefabricated beam 3, a first platform connecting steel bar 43 is reserved at the position corresponding to the rest platform installation position of the lower-layer prefabricated floor 4, a second platform connecting steel bar 37 is reserved at the rest platform installation position of the prefabricated beam 3, a third connecting hole 66 arranged on the prefabricated floor 4 is inserted into the first platform connecting steel bar, a third connecting hole 66 arranged on the prefabricated beam 3 is inserted into the second platform connecting steel bar 37, and high-grade mortar is filled in each third connecting hole 66. When the prefabricated stairways 5 on other layers are installed, the installation method of the prefabricated stairways 4 on the upper section is the same as that of the prefabricated stairways on the second layer, and the difference is that when the prefabricated stairways 4 on the lower section are installed, the fourth connecting holes 51 on the upper portion of the prefabricated stairways 5 are sleeved into the second stair connecting steel bars of the prefabricated rest platform 6 and are filled with high-grade mortar to form fixed connection, the lower portions of the prefabricated stairways 5 are lapped on the first picking lugs 35 of the prefabricated beams on the lower layer to form sliding connection, and after the prefabricated stairways 5 are lapped on the first picking lugs 35, the lower portions of the prefabricated stairways 5 are flush with the prefabricated floor slabs 4 on the lower layer.

In the installation process, the filling operation of the floor slab joint and the connecting hole can be considered after all the components are installed, so that the construction period is shortened.

The anchor plate 71 of the steel plate connecting piece 7 is preferably a galvanized steel plate, the precast beam 3 and the steel plate connecting piece 7 on the precast column 2 can be considered to be embedded into a precast member, and a groove is formed at the position of the embedded steel plate connecting piece 7, so that the surface of the steel plate is flush with the surface of the precast member after the connecting steel plate is installed.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can make many possible variations and modifications to the technical solution of the present invention or modify the technical solution of the present invention into equivalent embodiments with equivalent variations without departing from the technical solution scope of the present invention. Therefore, any simple modification, equivalent change and modification made to the above embodiments by the technical entity of the present invention should fall within the protection scope of the technical solution of the present invention.

Claims (10)

1. The utility model provides a precast beam structure, includes the roof beam body, its characterized in that, floor connection steel bar is reserved to the upper surface of the roof beam body, the pre-buried first steel sheet connecting piece of both ends upper surface of the roof beam body, two side surfaces are pre-buried second steel sheet connecting piece respectively, just second steel sheet connecting piece on two side surfaces of the roof beam body sets up relatively, the roof beam body and relative setting set up the integrative first connecting hole that runs through on the second steel sheet connecting piece.

2. The precast beam structure according to claim 1, wherein the first or second steel plate connecting member includes an anchor plate, and an anchor bar is welded to a back surface of the anchor plate.

3. The precast beam structure according to claim 2, wherein anchor plate is provided with anchor bar coupling holes through which ends of the anchor bars are passed and coupled by plug welding.

4. The precast beam structure according to claim 3, wherein four anchor bar connecting holes are provided in the anchor slab, the four anchor bar connecting holes are arranged in a square shape, and the anchor bars are welded to the respective anchor bar connecting holes.

5. The precast beam structure of claim 1, wherein a first lifting lug for bordering the precast stair is disposed at one side of the beam body, and a first stair connecting steel bar is reserved on an upper surface of the first lifting lug.

6. The precast beam structure according to claim 5, wherein the upper and lower parts of the precast stair are flush with the corresponding precast floor slabs, respectively, after the precast stair is lapped on the first overhanging lug.

7. The precast beam structure of claim 1, wherein the length of the beam body is equal to-2 x 10mm across.

8. A precast beam and precast column connection node comprises a precast column, and is characterized in that the precast beam is as claimed in any one of claims 1 to 7, the precast column extends to the top of a structural column across floors, and a third steel plate connecting piece is embedded in the beam connection position of the precast column; the precast beam is in the beam connecting position of the precast column and connected with the precast column, a first steel plate connecting piece of the precast beam is connected with a third steel plate connecting piece on the precast column through a first connecting steel plate, a second steel plate connecting piece on one side of the precast beam is connected with the precast column through a second connecting steel plate, a second steel plate connecting piece on the other side of the precast beam is connected with a third steel plate connecting piece on the precast column through a third connecting steel plate, one end of the second connecting steel plate, one end of the third connecting steel plate and the precast beam are fastened and connected into a whole through a fastener penetrating through the first connecting hole, and the other end of the second connecting steel plate and the other end of the third connecting steel plate are respectively welded with the third steel plate connecting piece on the precast column into a whole.

9. A precast beam to precast column connection node according to claim 8 wherein one side of the precast beam is flush with one side of the precast column.

10. The precast beam and precast column connecting node according to claim 8 wherein one end of the precast beam is connected to one side of the precast column and the end of the precast beam is located at the middle of the connecting surface of the precast column.

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