CN210507829U - Assembly type building connecting node of steel pipe concrete column-precast concrete composite beam - Google Patents

Assembly type building connecting node of steel pipe concrete column-precast concrete composite beam Download PDF

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Publication number
CN210507829U
CN210507829U CN201920889980.3U CN201920889980U CN210507829U CN 210507829 U CN210507829 U CN 210507829U CN 201920889980 U CN201920889980 U CN 201920889980U CN 210507829 U CN210507829 U CN 210507829U
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steel
concrete
superposed
welded
plate
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罗赤宇
王华林
周培欢
陈卫民
蔡志滨
李业骏
周敏辉
曹志威
苏家颖
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Architectural Design and Research Institute of Guangdong Province
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Architectural Design and Research Institute of Guangdong Province
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Abstract

The utility model discloses an assembled building connection node of a steel tube concrete column and a precast concrete superposed beam, which comprises the steel tube concrete column and the precast concrete superposed beam, wherein the outer wall of the steel tube concrete column is welded with a U-shaped steel groove and a prewelding outer ring steel plate, the prewelding outer ring steel plate is horizontally arranged and positioned above the U-shaped steel groove, the U-shaped steel groove is provided with a bottom plate and a side plate, the bottom plate is provided with a bottom steel bar buckling device, and the top of the side plate is provided with an upper flange which is turned outwards; the prefabricated concrete superposed beam is inserted into the U-shaped steel groove, the bottom of the prefabricated concrete superposed beam is clamped with the bottom steel bar buckling device, the top of the prefabricated concrete superposed beam is welded with the pre-welded outer ring steel plate, the area where the prefabricated concrete superposed beam and the U-shaped steel groove are inserted is a superposed area, and concrete is poured into the superposed area after the prefabricated concrete superposed beam is in lap joint assembly. The node is free of bolts and formwork supporting, convenient and fast to install, and production and construction efficiency can be effectively improved.

Description

Assembly type building connecting node of steel pipe concrete column-precast concrete composite beam
Technical Field
The utility model relates to a building structure's beam column node specifically indicates a steel core concrete column-precast concrete composite beam's assembled building connected node.
Background
The prefabricated building has the advantages of reducing on-site wet operation, improving construction efficiency, reducing environmental pollution and energy consumption and the like, conforms to the great trend of building industrialization and industrialization development, and is effectively applied at home and abroad.
With the falling to the ground and the practice of the assembly type building policy, at present, in the aspects of assembly type-concrete buildings, assembly type-steel structure buildings, assembly type-wood structure buildings and the like, a plurality of specifications and drawings are provided, but the development of the assembly type-mixed structure buildings has not made a great breakthrough in the aspect of connecting nodes, and the development of beam column nodes of the circular steel tube concrete frame structure serving as a mixed structure form with excellent stress performance still has a large space.
In the circular steel tube concrete frame structure, generally adopt the nodal connection form of circular steel tube concrete column and girder steel, circular steel tube concrete column and concrete beam:
1) the connection of the circular steel tube concrete column and the steel beam generally adopts bolt connection or welding, the field construction welding and hole expanding operation amount is large, especially the construction standard of the fabricated structure is high, the field component positioning, bolt connection and the like all put forward high requirements on the installation precision and the construction quality, and the construction difficulty is also greatly improved.
2) The connection of the circular steel tube concrete column and the concrete beam generally adopts forms of reinforcing steel bar surrounding type joints, reinforcing steel bar through type joints, ring beam type joints and the like, the field reinforcing steel bar operation amount of the joints is large, the wet operation degree is high, and the lower part of the joints needs to be supported by a large number of erecting templates, so that the application of assembly type construction is not facilitated; and the quality of the concrete pouring in the node area is difficult to ensure due to the limitation of the working surface and the working environment, and the strength of the node area is influenced by different degrees.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a steel core concrete column-precast concrete superposed beam's assembled building connected node, this node exempts from the bolt, exempts from formwork, the installation is convenient, can effectively improve production efficiency of building.
The utility model discloses a this purpose is realized through following technical scheme: the utility model provides a steel core concrete column-prefabricated concrete composite beam's assembled building connected node, includes steel core concrete column and prefabricated concrete composite beam, its characterized in that: the outer wall of the steel tube concrete column is welded with a U-shaped steel groove and a prewelded outer ring steel plate, the prewelded outer ring steel plate is horizontally arranged and located above the U-shaped steel groove, the U-shaped steel groove is provided with a bottom plate and a side plate, the bottom plate is provided with a bottom steel bar buckling device, and the top of the side plate is provided with an upper flange which is turned outwards; the prefabricated concrete superposed beam is inserted into the U-shaped steel groove, the bottom of the prefabricated concrete superposed beam is clamped with the bottom steel bar buckling device, the top of the prefabricated concrete superposed beam is welded with the pre-welded outer ring steel plate, the area where the prefabricated concrete superposed beam and the U-shaped steel groove are inserted is a superposed area, and concrete is poured into the superposed area after the prefabricated concrete superposed beam is in lap joint assembly to form the whole node.
The utility model discloses an assembly type structure connected node, through outer wall welding U shaped steel groove and the outer ring steel sheet of prewelding at the steel core concrete column, the direct overlap joint U shaped steel groove of precast concrete superposed beam and the outer ring steel sheet of welding prewelding realize being connected with the assembled of steel core concrete column. U shaped steel groove is provided with bottom reinforcing bar buckle device as the bracket of node, with precast concrete composite beam looks joint, exempts from the bolt, exempts from formwork, the assembly is convenient, directly pours the concrete after the assembly and can form whole node.
The utility model discloses can do as follows the improvement: and a reinforcing triangular plate is further arranged in the U-shaped steel groove and is a right-angled triangle, one right-angled edge of the reinforcing triangular plate is welded with the concrete-filled steel tubular column, and the other right-angled edge is welded with the bottom surface of the U-shaped steel groove. The reinforced triangular plate is beneficial to increasing the rigidity of the bottom plate of the U-shaped steel groove and the shearing resistance of the node.
The utility model discloses can also do as follows the improvement: the lateral plate of U shaped steel groove has still welded the web preweld reinforcing bar at the inner wall, web preweld reinforcing bar and the bottom plate parallel arrangement of U shaped steel groove.
The web pre-welded steel bars are arranged, so that the engaging force and the anti-sliding force between the U-shaped steel groove and the concrete in the precast concrete composite beam can be improved, the side plates of the U-shaped steel groove bear most of the shearing torque force from the precast concrete composite beam end, and the bottom plate of the U-shaped steel groove and the pre-welded outer ring steel plate bear most of the bending moment of the precast concrete composite beam end.
The utility model discloses in, the steel core concrete column is round steel pipe concrete column, including round steel pipe column, welding at the preweld inner ring steel sheet and the vertical rib steel sheet of round steel pipe column inner wall and pour the steel core concrete in round steel pipe column, preweld inner ring steel sheet be the polylith, polylith preweld inner ring steel sheet sets up from top to bottom, and each preweld inner ring steel sheet average level arranges, the vertical setting of vertical rib steel sheet, the side of vertical rib steel sheet with round steel pipe column weld mutually, the upper and lower end of vertical rib steel sheet welds with upper and lower adjacent two preweld inner ring steel sheets respectively.
In the utility model, the bottom steel bar buckle device is a row of clamping blocks arranged at intervals; the precast concrete superposed beam is provided with a prewelded superposed layer gluten, a superposed layer steel plate and a superposed beam bottom rib, wherein the superposed layer steel plate is positioned in the superposed region and at the top of the superposed region, the prewelded superposed layer gluten is horizontally arranged, the prewelded superposed layer gluten partially extends into the superposed region and is welded with the superposed layer steel plate in a double-sided manner, and the superposed layer steel plate is also provided with grouting holes; the bottom ribs of the superposed beams are arranged in a row and are prefabricated at the bottom of the precast concrete superposed beams in an outward extending manner, the bottom ribs of the superposed beams are positioned in the superposed area, and the end part of each bottom rib of the superposed beams is provided with an anchor head; when the precast concrete superposed beam is assembled, the superposed layer steel plate is welded with the prewelded outer ring steel plate, the row of superposed beam bottom ribs are embedded in gaps of the row of clamping blocks, the anchor heads are buckled with the clamping blocks, and the concrete is poured in the superposed area through the grouting holes.
The utility model discloses can do as follows the improvement: and the end parts of the bottom ribs of the one row of superposed beams are also welded with bottom rib reserved anchor plates which are perpendicular to the bottom ribs of the superposed beams.
The anchor slab is reserved to end muscle and bottom reinforcing bar buckle device combined action, can not only reduce the installation deviation of precast concrete composite beam betterly, can also make composite beam end muscle and U shaped steel groove carry out reliable assembled and be connected, effectively realizes the transmission of power.
The utility model discloses can also do as follows the improvement: the end part of the laminated steel plate close to one end of the concrete filled steel tubular column is also welded with a steel plate pre-welding backing plate, and the steel plate pre-welding backing plate and the pre-welding outer ring steel plate are subjected to groove welding.
The utility model discloses in, precast concrete superposed beam still be provided with the opening stirrup at the regional top of coincide, the opening stirrup entangles at the construction stage the superposed layer steel sheet.
The utility model discloses in, the superimposed sheet steel sheet is lieing in the steel core concrete column with venthole has still been seted up in region between the grout hole, the discharge of concrete bubble when helping pouring.
The utility model discloses in, precast concrete superposed beam still have the superimposed sheet, during precast concrete superposed beam assembly the superimposed sheet bearing is in on the top flange of U shaped steel groove.
The utility model discloses an assembly type structure connected node not only has the on-the-spot bolt of exempting from, exempts from the advantage of formwork construction, has simplified construction process greatly, reduces the site operation work volume, can improve production effectively moreover and build efficiency, realizes that circular steel tube concrete column is connected with the assembled of concrete composite beam.
Compared with the prior art, the utility model discloses have as follows and show the effect:
1. the utility model discloses an assembly type structure connected node, the integrated design, it is convenient to install, and the field welding work volume is few, only needs the on-the-spot welding together, and bolted connection is exempted from to the overall process, helps reducing construction required precision and the degree of difficulty, and on-the-spot support and template that need not erect, and precast concrete composite beam takes one place, is favorable to reducing construction work volume and wasting of resources, improves installation and construction efficiency.
2. The utility model discloses an assembled building connected node component's prefabricated degree is high, round steel tubular column and U shaped steel groove, the outer loop steel sheet of prewelding, the inner ring steel sheet of prewelding, equal prewelding such as vertical rib steel sheet dispatches from the factory, the prewelding coincide layer gluten of precast concrete superposed beam, the coincide layer steel sheet also carries out the two-sided back of prewelding in mill, transport the job site again and carry out reliable connection with the round steel tubular column, the prewelding work of mill is abundant, the site operation technology has not only been simplified, environmental pollution has also been reduced effectively.
3. The utility model discloses an assembly type structure connected node designs safe and reliable, and the integration is connected, and it is clear and definite to pass the power route, and the transmission of precast concrete composite beam hogging moment can be realized with the welding of composite sheet steel to the pre-weld composite sheet gluten, and the bottom plate is provided with the reinforcing bar buckle device, and the effective anchor of muscle and steel bay and being connected are realized through the buckle to the composite sheet bottom bar, passes to the composite beam power to U shaped steel frid betterly.
4. The utility model discloses an assembly type structure connected node bottom is strengthened the set-square and is helped increasing the ability of shearing of U shaped steel tank bottom plate rigidity and node, web preweld reinforcing bar can improve bite-force and the anti-sliding force between U shaped steel groove and the regional concrete of precast concrete coincide, and the curb plate of U shaped steel groove bears the most from the beam-ends and cuts torsion, and U shaped steel groove bottom plate bears the most moment of flexure of beam-ends with preweld outer loop steel sheet position.
5. In the assembly type building connecting node of the utility model, the precast concrete superposed beam can effectively transmit force to the steel tube concrete column through the U-shaped steel groove at the end part, and the shearing resistance and rigidity of the node area can be enhanced by the opening stirrup additionally arranged on the superposed layer and the cast-in-place concrete, so that the integral earthquake resistance of the node area is better ensured; the horizontal stiffening ring plates and the longitudinal rib plates are arranged in the wall of the round steel pipe column, so that buckling of the steel pipe column can be effectively avoided, and the overall stability of a node area is improved.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is an overall schematic view of the fabricated building connection node of the present invention;
FIG. 2 is an assembly drawing of a concrete-filled steel tube column and a U-shaped steel groove in the assembly type building connection node of the utility model;
FIG. 3 is a schematic structural view of a round concrete-filled steel tubular column in the fabricated building connection node of the present invention;
FIG. 4 is a schematic structural view of a U-shaped steel groove in the fabricated building connection node of the utility model;
fig. 5 is a schematic structural view of the precast concrete composite beam in the fabricated building connection node of the present invention;
FIG. 6 is a schematic view of the connection structure of the U-shaped steel channel and the precast concrete composite beam in the fabricated building connection node of the present invention;
fig. 7 is the utility model discloses the structure schematic diagram of opening stirrup in assembly type structure connected node.
In the figure: 1. a U-shaped steel groove; 2. pre-welding reinforcing steel bars on webs; 3. a bottom steel bar buckling device; 4. reinforcing the triangular plate; 5. an upper flange; 6. pre-welding an inner ring steel plate; 7. a longitudinal rib steel plate; 8. prewelding an outer ring steel plate; 9. pre-welding and overlapping layers of gluten; 10. laminating a layer of steel plate; 11. reserving an anchor plate for the bottom rib; 12. an air outlet; 13. grouting holes; 14. pre-welding a backing plate on a steel plate; 15. an open stirrup; 16. prefabricating a layer hoop reinforcement; 17. prefabricating a concrete superposed beam; 18. concrete; 19. round steel pipe columns; 20. a laminated slab; 21. and (5) overlapping the beam bottom ribs.
Detailed Description
The utility model discloses steel core concrete column-precast concrete superposed beam's assembled building connected node is as shown in fig. 1 to 7, including steel core concrete column and precast concrete superposed beam 17, the outer wall welding of steel core concrete column has U shaped steel groove 1 and prewelding outer ring steel sheet 8, prewelding outer ring steel sheet 8 level sets up, is located the top of U shaped steel groove 1, U shaped steel groove 1 has bottom plate and curb plate, the bottom plate is provided with bottom reinforcing bar buckle device 3, the top of curb plate has the last flange 5 of turning over an outside; the prefabricated concrete composite beam 17 is inserted into the U-shaped steel groove 1, the bottom of the prefabricated concrete composite beam 17 is clamped with the bottom steel bar clamping device 3, the top of the prefabricated concrete composite beam is welded with the pre-welded outer ring steel plate 8, the area where the prefabricated concrete composite beam 17 and the U-shaped steel groove 1 are inserted is a composite area, and concrete 18 is poured into the composite area after the prefabricated concrete composite beam 17 is in lap joint assembly to form the whole node.
In this embodiment, the steel core concrete column is circular steel pipe concrete column, including circular steel pipe column 19, the welding is at the inside ring steel sheet 6 and the vertical rib steel sheet 7 of prewelding of 19 inner walls of circular steel pipe column, and pour the steel core concrete in circular steel pipe column 19, prewelding inside ring steel sheet 6 is the polylith, polylith prewelding inside ring steel sheet 6 sets up from top to bottom, and each prewelding inside ring steel sheet 6 average level arranges, the vertical setting of vertical rib steel sheet 7, the side and the circular steel pipe column 19 of vertical rib steel sheet 7 weld mutually, the upper and lower end of vertical rib steel sheet 7 welds with two adjacent prewelding inside ring steel sheets 6 from top to bottom respectively.
U shaped steel groove 1 still is provided with in the U shaped steel groove 1 and strengthens set-square 4 as the support of precast concrete composite beam 17 in the work progress as the bracket, strengthens set-square 4 and is right angled triangle, strengthens a right-angle side and the steel core concrete column welding of set-square 4, and another right-angle side welds with the bottom surface of U shaped steel groove 1 mutually, strengthens set-square 4 and helps increasing the bottom plate rigidity of U shaped steel groove 1 and the ability of shearing of node.
The web pre-welded steel bars 2 are further welded on the inner wall of the side plate of the U-shaped steel groove 1, the web pre-welded steel bars 2 are arranged in parallel with the bottom plate of the U-shaped steel groove 1, the web pre-welded steel bars 2 can improve the engaging force and the anti-sliding force between the U-shaped steel groove 1 and the concrete in the precast concrete composite beam 17, the side plate of the U-shaped steel groove 1 bears most of shearing torsion force from the end of the precast concrete composite beam 17, and the bottom plate of the U-shaped steel groove 1 and the pre-welded outer ring steel plate 8 bear most of bending moment of the end of the precast concrete composite beam 17.
In this embodiment, the bottom rebar fastener device 3 is a row of clamping blocks arranged at intervals; the precast concrete superposed beam 17 is provided with a prewelded superposed layer gluten 9, a superposed layer steel plate 10 and a superposed beam bottom rib 21, wherein the superposed layer steel plate 10 is positioned in a superposed region and positioned at the top of the superposed region, the prewelded superposed layer gluten 9 is horizontally arranged, part of the prewelded superposed layer gluten extends into the superposed region and is welded with the superposed layer steel plate 10 in a double-sided way, the superposed layer steel plate 10 is also provided with a grouting hole 13, and the superposed layer steel plate 10 is also provided with an air outlet hole 12 in the region between the steel pipe concrete column and the grouting hole 13, so that the discharge of 18 air bubbles in concrete during pouring is facilitated; the bottom ribs 21 of the superposed beams are arranged in a row and are prefabricated at the bottom of the precast concrete superposed beam 17 in an outward extending manner, the bottom ribs 21 of the superposed beams are positioned in a superposed area, and the end part of each bottom rib 21 of the superposed beams is provided with an anchor head; the precast concrete composite beam 17 is also provided with an opening stirrup 15 at the top of the composite area, and the opening stirrup 15 sleeves the composite layer steel plate 10 in the construction stage. The precast concrete composite beam 17 is also provided with a composite slab 20, and the composite slab 20 is supported on the upper flange 5 of the U-shaped steel channel 1 when the precast concrete composite beam 17 is assembled.
When the precast concrete superposed beam 17 is assembled, the superposed layer steel plate 10 is welded with the prewelded outer ring steel plate 8, a row of superposed beam bottom ribs 21 are embedded in gaps of a row of clamping blocks, an anchor head is buckled with the clamping blocks, and concrete 18 is poured in a superposed area through the grouting holes 13.
As a preferred embodiment, the end of the bottom rib 21 of the row of the composite beam is welded with a bottom rib reserved anchor plate 11, and the bottom rib reserved anchor plate 11 is perpendicular to the bottom rib 21 of the composite beam; anchor slab 11 is reserved to end muscle and 3 combined action of bottom reinforcing bar buckle device can not only reduce precast concrete composite beam 17's installation deviation betterly, can also make composite beam end muscle 21 carry out reliable assembled with U shaped steel groove 1 and be connected, effectively realizes the transmission of power.
In this embodiment, the laminated steel plate 10 may be directly welded to the prewelded outer ring steel plate 8, or a prewelded steel plate backing plate 14 may be welded to the end portion near one end of the concrete filled steel tubular column, and the prewelded steel plate backing plate 14 is groove-welded to the prewelded outer ring steel plate 8.
The assembled building connected node of this embodiment, U shaped steel groove 1 and the welding of circular steel tubular column 19 dispatch from the factory, and circular steel tubular column 19 wall is outer to be welded with prewelding outer ring steel sheet 8, and the welding has prewelding inner ring steel sheet 6 and vertical rib steel sheet 7 in the wall, strengthens triangle 4 prewelding on the bottom plate of the outer and U shaped steel groove 1 of the wall of circular steel tubular column 19.
U shaped steel groove 1 is as the bracket, on the one hand with its support as precast concrete composite beam 17 in the work progress, and bottom reinforcing bar buckle device 3 is predetermine to on the other hand in U shaped steel groove 1 bottom, can put into the composite beam end muscle 21 of anchor slab 11 is reserved to the band end muscle of precast concrete composite beam 17 in the installation in the card of bottom reinforcing bar buckle device 3.
Precast layer stirrup 16 and pre-welded laminated layer gluten 9 of precast concrete superposed beam 17, laminated layer steel sheet 10 is prewelded and leaves the factory, and the steel sheet prewelded backing plate 14 is prewelded to the tip of laminated layer steel sheet 10, when precast concrete superposed beam 17 field hoisting cartridge overlap joint U type steel groove 1, in the clearance of fixture block among the bottom reinforcing bar buckle device 3 is gone into to the lamination beam base bar 21 card of taking the anchor slab, buckle mutually through anchor head and fixture block, the groove welding is carried out through steel sheet prewelding backing plate 14 and steel pipe column outer ring plate 8 to laminated layer steel sheet 10, then pour concrete 18 in the coincide region.
The above embodiments of the present invention are not right the utility model discloses the limited protection scope, the utility model discloses an embodiment is not limited to this, all kinds of basis according to the above-mentioned of the utility model discloses an under the above-mentioned basic technical thought prerequisite of the utility model, right according to ordinary technical knowledge and the conventional means in this field the modification, replacement or the change of other multiple forms that above-mentioned structure made all should fall within the protection scope of the utility model.

Claims (10)

1. The utility model provides a steel core concrete column-prefabricated concrete composite beam's assembled building connected node, includes steel core concrete column and prefabricated concrete composite beam (17), its characterized in that: the outer wall of the steel tube concrete column is welded with a U-shaped steel groove (1) and a prewelded outer ring steel plate (8), the prewelded outer ring steel plate (8) is horizontally arranged and located above the U-shaped steel groove (1), the U-shaped steel groove (1) is provided with a bottom plate and a side plate, the bottom plate is provided with a bottom steel bar buckling device (3), and the top of the side plate is provided with an upper flange (5) which is turned outwards; the prefabricated concrete composite beam (17) is inserted into the U-shaped steel groove (1), the bottom of the prefabricated concrete composite beam (17) is clamped with the bottom steel bar clamping device (3), the top of the prefabricated concrete composite beam is welded with the pre-welded outer ring steel plate (8), the area where the prefabricated concrete composite beam (17) and the U-shaped steel groove (1) are inserted is an overlapping area, and concrete (18) is poured into the overlapping area after the prefabricated concrete composite beam (17) is in overlapping assembly to form the whole node.
2. The prefabricated building connection node of a concrete filled steel tubular column-precast concrete composite beam according to claim 1, wherein: still be provided with in U shaped steel groove (1) and strengthen set square (4), it is right triangle to strengthen set square (4), a right-angle side of strengthening set square (4) with the steel core concrete column welds mutually, another right-angle side with the bottom surface of U shaped steel groove (1) welds mutually.
3. The prefabricated building connection node of a concrete filled steel tubular column-precast concrete composite beam according to claim 1, wherein: the side plate of the U-shaped steel groove (1) is welded with web pre-welded steel bars (2) on the inner wall, and the web pre-welded steel bars (2) are arranged in parallel with the bottom plate of the U-shaped steel groove (1).
4. The prefabricated building connection node of a concrete filled steel tubular column-precast concrete composite beam according to claim 1, wherein: the steel pipe concrete column is a round steel pipe concrete column and comprises a round steel pipe column (19), pre-welded inner ring steel plates (6) and longitudinal rib steel plates (7) welded on the inner wall of the round steel pipe column (19) and steel pipe concrete poured in the round steel pipe column (19), wherein the pre-welded inner ring steel plates (6) are multiple, the multiple pre-welded inner ring steel plates (6) are arranged up and down, each pre-welded inner ring steel plate (6) is horizontally arranged, the longitudinal rib steel plates (7) are vertically arranged, the side faces of the longitudinal rib steel plates (7) are welded with the round steel pipe column (19), and the upper end and the lower end of each longitudinal rib steel plate (7) are respectively welded with two vertically adjacent pre-welded inner ring steel plates (6).
5. The fabricated construction connecting node of a concrete filled steel tubular column-precast concrete composite beam according to any one of claims 1 to 4, wherein: the bottom steel bar buckling device (3) is a row of clamping blocks arranged at intervals; the precast concrete superposed beam (17) is provided with a prewelded superposed layer gluten (9), a superposed layer steel plate (10) and a superposed beam bottom rib (21), wherein the superposed layer steel plate (10) is positioned in the superposed region and at the top of the superposed region, the prewelded superposed layer gluten (9) is horizontally arranged, part of the prewelded superposed layer gluten extends into the superposed region and is in double-side welding with the superposed layer steel plate (10), and the superposed layer steel plate (10) is also provided with a grouting hole (13); the bottom ribs (21) of the superposed beams are arranged in a row and are prefabricated at the bottom of the precast concrete superposed beam (17) in an outward extending manner, the bottom ribs (21) of the superposed beams are positioned in the superposed area, and the end part of each bottom rib (21) of the superposed beams is provided with an anchor head; when the precast concrete superposed beam (17) is assembled, the superposed layer steel plate (10) is welded with the prewelded outer ring steel plate (8), the row of superposed beam bottom ribs (21) are embedded in gaps of the row of clamping blocks, anchor heads are buckled with the clamping blocks, and the concrete (18) is poured in the superposed area through the grouting holes (13).
6. The fabricated building connection node of a concrete filled steel tubular column-precast concrete composite beam according to claim 5, wherein: the end parts of the bottom ribs (21) of the row of superposed beams are also welded with bottom rib reserved anchor plates (11), and the bottom rib reserved anchor plates (11) are perpendicular to the bottom ribs (21) of the superposed beams.
7. The prefabricated building connection node of a concrete filled steel tubular column-precast concrete composite beam according to claim 6, wherein: the end part of the laminated steel plate (10) close to one end of the concrete filled steel tubular column is also welded with a steel plate pre-welding backing plate (14), and the steel plate pre-welding backing plate (14) is subjected to groove welding with the pre-welding outer ring steel plate (8).
8. The prefabricated building connection node of a concrete filled steel tubular column-precast concrete composite beam according to claim 6, wherein: the precast concrete composite beam (17) is also provided with an opening stirrup (15) at the top of the composite area, and the opening stirrup (15) sleeves the composite layer steel plate (10) in the construction stage.
9. The prefabricated building connection node of a concrete filled steel tubular column-precast concrete composite beam according to claim 6, wherein: and the laminated steel plate (10) is also provided with an air outlet (12) in the area between the concrete-filled steel tubular column and the grouting hole (13).
10. The prefabricated building connection node of a concrete filled steel tubular column-precast concrete composite beam according to claim 6, wherein: the precast concrete composite beam (17) is further provided with a composite slab (20), and the composite slab (20) is supported on the upper flange (5) of the U-shaped steel groove (1) when the precast concrete composite beam (17) is assembled.
CN201920889980.3U 2019-06-13 2019-06-13 Assembly type building connecting node of steel pipe concrete column-precast concrete composite beam Active CN210507829U (en)

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CN201920889980.3U CN210507829U (en) 2019-06-13 2019-06-13 Assembly type building connecting node of steel pipe concrete column-precast concrete composite beam

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112922154A (en) * 2021-01-18 2021-06-08 罗洪湖 Steel pipe concrete beam column connected node structure for building
CN112922153A (en) * 2021-01-18 2021-06-08 罗洪湖 Steel pipe concrete beam column connection structure for building
CN113107087A (en) * 2021-05-22 2021-07-13 商丘市华商建设集团有限公司 Construction method of bottom assembled frame structure system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112922154A (en) * 2021-01-18 2021-06-08 罗洪湖 Steel pipe concrete beam column connected node structure for building
CN112922153A (en) * 2021-01-18 2021-06-08 罗洪湖 Steel pipe concrete beam column connection structure for building
CN112922153B (en) * 2021-01-18 2022-09-16 浙江中展建设有限公司 Steel pipe concrete beam column connection structure for building
CN113107087A (en) * 2021-05-22 2021-07-13 商丘市华商建设集团有限公司 Construction method of bottom assembled frame structure system

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