CN114541583A - Prefabricated beam column assembly type system and construction method thereof - Google Patents
Prefabricated beam column assembly type system and construction method thereof Download PDFInfo
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- CN114541583A CN114541583A CN202210169710.1A CN202210169710A CN114541583A CN 114541583 A CN114541583 A CN 114541583A CN 202210169710 A CN202210169710 A CN 202210169710A CN 114541583 A CN114541583 A CN 114541583A
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- 238000010276 construction Methods 0.000 title claims abstract description 35
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 251
- 239000010959 steel Substances 0.000 claims abstract description 251
- 238000005452 bending Methods 0.000 claims description 28
- 238000000034 method Methods 0.000 claims description 19
- 238000004519 manufacturing process Methods 0.000 claims description 10
- 238000005520 cutting process Methods 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 238000009417 prefabrication Methods 0.000 claims description 5
- 238000005516 engineering process Methods 0.000 abstract 1
- 230000003111 delayed effect Effects 0.000 description 4
- 238000009415 formwork Methods 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 238000009435 building construction Methods 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
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- 230000002787 reinforcement Effects 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/30—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts being composed of two or more materials; Composite steel and concrete constructions
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
- E04B5/32—Floor structures wholly cast in situ with or without form units or reinforcements
- E04B5/36—Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor
- E04B5/38—Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor with slab-shaped form units acting simultaneously as reinforcement; Form slabs with reinforcements extending laterally outside the element
- E04B5/40—Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor with slab-shaped form units acting simultaneously as reinforcement; Form slabs with reinforcements extending laterally outside the element with metal form-slabs
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
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Abstract
The application relates to a prefabricated beam-column assembly type system which comprises a plurality of prefabricated steel pipe columns, prefabricated steel beams and prefabricated steel plates; a pouring groove for pouring concrete is formed in the prefabricated steel pipe column; the prefabricated steel beams are provided with a plurality of prefabricated steel plates in an enclosing mode and are fixedly connected with the prefabricated steel plates to form a prefabricated beam plate, assembling gaps matched with the prefabricated steel pipe columns are formed between every two adjacent prefabricated steel beams, and pouring areas with upward openings and used for pouring concrete are formed between the prefabricated steel beams and the prefabricated steel plates; the prefabricated steel pipe column is fixedly provided with a connecting plate at each floor node, and the connecting plate is fixedly connected with the prefabricated steel beam at the floor assembly gap; the construction method of the system comprises the steps of steel pipe column prefabricating operation, beam slab prefabricating operation and field assembly operation. This application adopts the unit-installment structure, and the on-the-spot technology of building site is extremely simple, has reduced man-hour by a wide margin, has practiced thrift the cost of labor simultaneously.
Description
Technical Field
The invention relates to the technical field of buildings, in particular to a prefabricated beam-column assembly type system and a construction method thereof.
Background
The building construction refers to production activities in the engineering construction implementation stage, is the construction process of various buildings, and also can be a process of changing various lines on a design drawing into a real object at a specified place. The method comprises foundation engineering construction, main structure construction, roofing engineering construction, decoration engineering construction and the like.
In related building construction, a traditional cast-in-place construction mode is usually adopted for manufacturing beams, columns and floor slabs, a large amount of construction waste can be manufactured in the construction operation process, and the treatment of the construction waste is a big problem which troubles urban development; meanwhile, a large amount of wet-process cast-in-place operation has the serious problems of environmental pollution, water resource waste, dust pollution, noise pollution and the like, and the cast-in-place construction mode also has the defects of long construction period, poor construction quality, low assembly rate, high labor cost, large steel consumption of steel and the like, and has a part to be improved.
Disclosure of Invention
In order to improve the efficiency of construction of a building, the present application provides a precast beam-column fabricated system.
The application provides a precast beam post assembled system adopts following technical scheme:
a prefabricated beam column assembly type system comprises a plurality of prefabricated steel pipe columns, prefabricated steel beams and prefabricated steel plates;
a pouring groove for pouring concrete is formed in the prefabricated steel pipe column;
the prefabricated steel beams are provided with a plurality of prefabricated steel plates in an enclosing mode and are fixedly connected with the prefabricated steel plates to form prefabricated beam plates, assembling gaps matched with the prefabricated steel pipe columns are formed between every two adjacent prefabricated steel beams, and pouring areas with upward openings and used for pouring concrete are formed between the prefabricated steel beams and the prefabricated steel plates;
the prefabricated steel pipe column is fixedly provided with a connecting plate at each floor node, and the connecting plate is fixedly connected with the prefabricated steel beam at the floor assembling gap.
By adopting the technical scheme, the prefabricated steel pipe column, the prefabricated steel beam and the prefabricated steel plate, namely the prefabricated beam plate, can be manufactured in a factory according to drawing data, then concrete is poured into the pouring groove of the prefabricated steel pipe column directly on a construction site, the compressive strength of the steel pipe concrete column is better than that of a pure steel structure and a concrete structure, then the prefabricated beam plate is fixed on the prefabricated steel pipe column through a connecting plate in a hoisting mode, and then the concrete is poured into a pouring area to form a floor slab structure, the prefabricated steel beam and the prefabricated steel plate act together to obviously enhance the stability, the torsional property, the bending strength and the deflection of the beam, the connection rigidity of the floor slab and the beam column is enhanced, so that the stability of the floor slab is stronger, and the structural size of the beam plate can be reduced; in addition, the steel and concrete combined action, the buckling of the prefabricated steel pipe column is delayed by pouring concrete into the prefabricated steel pipe column, the bending strength of the prefabricated steel pipe column is improved, the prefabricated steel pipe column is integrally of an assembled structure, most work is completed in a factory, the site process is extremely simple, the processes of formwork support and formwork removal of a floor slab are not required to be performed in a construction site, only assembly and concrete pouring are required, the construction period is greatly shortened, and meanwhile, the labor cost is saved.
Preferably, a first rigid support connecting piece is fixedly arranged between the bottom of the connecting plate and the prefabricated steel pipe column.
Through adopting above-mentioned technical scheme, utilize first rigidity support connection spare, further improve the joint strength of connecting plate and prefabricated steel pipe column, and then improved the joint strength between prefabricated floor and the prefabricated steel pipe column.
Preferably, the top of the prefabricated steel plate and the top of the prefabricated steel beam are provided with a height difference and form a bending deformation resistant area.
By adopting the technical scheme, because the thickness of the prefabricated steel plate is smaller, the bending strength of the prefabricated steel plate is improved by utilizing the bending deformation resistant area formed by the height difference between the prefabricated steel plate and the top of the prefabricated steel plate.
Preferably, a second rigid supporting and connecting piece is fixedly arranged between the prefabricated steel plate and the prefabricated steel beam and is located in the bending deformation resistant area.
Through adopting above-mentioned technical scheme, utilize the rigidity of second to support the connecting piece, improved the joint strength between prefabricated steel sheet and the prefabricated girder steel, and then further improve the bending strength of prefabricated steel sheet.
Preferably, the prefabricated steel plate is a profiled steel plate.
Through adopting above-mentioned technical scheme, set up prefabricated steel sheet into profiled sheet, utilize profiled sheet self structural feature, improved prefabricated steel sheet self bending strength.
Preferably, the pouring tank is internally laid with embedded steel bars, and two ends of the embedded steel bars are fixedly connected with the two prefabricated steel beams.
Through adopting above-mentioned technical scheme, utilize the embedded steel bar of laying in bending-resistant deformation district, on the one hand, improved with the concrete between the joint strength, on the other hand plays the fixed effect with two precast steel roof beams, has further improved the holistic bending strength of precast floor slab.
Preferably, the connecting plates are provided with connecting parts for connecting corresponding prefabricated steel beams along the peripheral sides of the prefabricated steel pipe columns.
Through adopting above-mentioned technical scheme, utilize the connecting portion that the connecting plate set up along prefabricated steel pipe column week side, can realize fixed the connection between the prefabricated girder steel of optional position, at prefabricated in-process promptly, need not to distinguish the installation, shorten the prefabrication period.
Preferably, the prefabricated steel beam is a prefabricated U-shaped steel beam with an upward opening.
Through adopting above-mentioned technical scheme, utilize the ascending prefabricated U shaped steel roof beam of opening, on the one hand, can be in the prefabricated U shaped steel roof beam concreting, improve the holistic bending strength of prefabricated U shaped steel roof beam, on the other hand, prefabricated U shaped steel roof beam and prefabricated steel sheet combined action have further increased the stability and the torsional property of roof beam.
In order to improve the assembly efficiency of a building, the application provides a construction method of a prefabricated beam-column assembly type system.
The construction method of the prefabricated beam-column assembly type system adopts the following technical scheme:
a construction method of a prefabricated beam-column assembly type system comprises the following steps: prefabricating a steel pipe column, B: beam and slab prefabrication operation and C: assembling on site;
a: the prefabricating operation of the steel pipe column comprises the following steps of,
a1: directly manufacturing a prefabricated steel pipe column in a factory;
a2: fixing a connecting plate on the prefabricated steel pipe column according to each floor node;
b: the beam-slab prefabricating operation comprises the following steps,
b1: manufacturing a prefabricated U-shaped steel beam by using a cold bending forming machine in a factory;
b2: cutting a steel plate or a profiled steel plate with a certain size by using a cutting machine to prepare a prefabricated steel plate;
b3: fixing a plurality of prefabricated U-shaped steel plates on the peripheral sides of the prefabricated steel plates to form prefabricated beam plates;
c: the field assembly operation comprises the steps of,
c1, driving the prefabricated steel pipe column into the foundation by using a pile driver;
c2: pouring concrete into a pouring groove of the prefabricated steel pipe column;
c3: sequentially hoisting each prefabricated beam plate to the corresponding floor node from bottom to top, wherein in the hoisting process, the prefabricated beam plate firstly enters each floor node in an inclined state, then the prefabricated beam plate is horizontally arranged and lapped on a connecting plate of the prefabricated steel pipe column, and then the prefabricated U-shaped steel beam at the assembly gap is fixed on the connecting plate of the prefabricated steel pipe column;
c4: pouring concrete into the pouring area of the precast beam slab;
wherein, A: prefabricating a steel pipe column and B: the beam slab prefabricating operation can be carried out synchronously.
By adopting the technical scheme and adopting an integral assembly type structure, most of work is finished in a factory, the site process is extremely simple, and only concrete needs to be poured; the integral structure of the beam slab removes the processes of erecting a formwork and removing a formwork of a floor slab on a construction site, and saves the welding process of the beam slab on the construction site, thereby greatly reducing the working hours and saving the labor cost.
Preferably, in the step a2, the prefabricated steel pipe column and the connecting plate may be connected by a first rigid support connector; in B3, laying embedded steel bars in a pouring area, and fixing two ends of each embedded steel bar on two opposite prefabricated U-shaped steel beams, wherein each embedded steel bar comprises a transverse steel bar and a longitudinal steel bar; and in the B3, the prefabricated U-shaped steel beam and the steel plate or the profiled steel plate can be connected by using a second rigid supporting connecting piece.
Through adopting above-mentioned technical scheme, utilize first rigidity support piece, second rigidity support piece and embedded steel bar, in the work progress, to the actual load demand, install fixedly, further improve its self bending resistance, torsion resistance of precast floor slab and improve joint strength between precast floor slab and the precast steel tubular column.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the whole structure is an assembly type structure, most of work is completed in a factory, the site process is extremely simple, and only concrete needs to be poured; the integral structure of the beam plate eliminates the working procedures of erecting a floor slab and removing a template on the site of a construction site and saves the working procedure of welding the beam plate on the construction site, thereby greatly reducing the working hours and saving the labor cost;
2. the steel-concrete combined action is better than that of a pure steel structure or a concrete structure, the buckling of the steel pipe is delayed by pouring concrete into the prefabricated steel pipe column 1, the bending strength of the U-shaped beam is improved, and the compressive strength of the steel pipe concrete column is improved;
3. the combined action of the prefabricated U-shaped steel beam and the prefabricated steel plate 3 can obviously enhance the stability, the torsion resistance, the bending strength and the deflection of the beam; the connecting rigidity of the floor and the beam column is increased, so that the stability of the floor is stronger, and the structural size of the beam plate can be reduced;
4. the steel-concrete composite structure has better fireproof performance than a pure steel structure, and the concrete has better mechanical property under the high-temperature condition, so that the whole structure can be kept stable until people leave;
5. the secondary beam in the steel structure is saved for the small-span column net, so that the steel amount of the whole structure is lower, and the cost is reduced.
Drawings
FIG. 1 is an axial schematic view of an overall structure of a prefabricated beam-column assembly system according to an embodiment of the present application;
FIG. 2 is a schematic diagram of a partial explosion mainly embodying a prefabricated beam-column fabricated architecture according to an embodiment of the present application;
fig. 3 is a schematic flow chart of a construction method according to an embodiment of the present application.
Reference numerals: 1. prefabricating a steel pipe column; 11. pouring a tank; 2. prefabricating a steel beam; 3. prefabricating a steel plate; 4. prefabricating a beam plate; 41. assembling the notch; 42. a perfusion zone; 5. a connecting plate; 51. a connecting portion.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses prefabricated beam column assembled system.
Referring to fig. 1 and 2, the precast beam-column fabricated system includes a plurality of precast steel pipe columns 1, precast steel beams 2, and precast steel plates 3; a pouring groove 11 for pouring concrete is formed in the prefabricated steel pipe column 1; during later stage actual construction, pour into the concrete in pouring basin 11 to the bucking of prefabricated steel pipe has been delayed, the compressive strength of prefabricated steel tubular column 1 is improved, and fire behavior.
Referring to fig. 1 and 2, the precast steel beams 2 are provided with a plurality of precast steel plates 3, and are fixedly connected with the tops of the precast steel beams 2 to form precast beam plates 4, and an assembly notch 41 is formed between the end portions of the adjacent precast steel beams 2 and is adapted to two adjacent sides of the precast steel tubular column 1, that is, the precast steel plates 3 may be set to be square, rectangular, polygonal, or the like, and correspondingly, the specific number of the enclosed precast steel beams 2 is the same as the number of the edges of the precast steel plates 3, in the embodiment of the present application, the precast steel plates 3 are set to be rectangular, that is, the tops of the four precast steel beams 2 are fixed on any one of the precast steel plates 3, and a pouring area 42 for pouring concrete is formed above the precast steel beams 2 and the precast steel plates 3, wherein, optimally, the precast steel beams 2 are set to be prefabricated U-shaped steel beams with upward openings.
Referring to fig. 1 and 2, the prefabricated steel pipe column 1 is fixedly provided with a connecting plate 5 at each floor node, and the connecting plate 5 is provided with a connecting portion 51 along the circumferential side of the prefabricated steel pipe column 1 for connecting the end portion of the prefabricated steel beam 2 corresponding to the assembling gap 41, i.e. a ring plate structure is formed.
In other embodiments. In order to improve the connection strength between the connecting plates 5 and the prefabricated steel pipe column 1, a first rigid supporting and connecting piece is fixedly arranged between the bottom of any connecting plate 5 and the prefabricated steel pipe column 1.
In other embodiments, in order to improve the bending strength of the prefabricated steel plate 3, a height difference is arranged between the top of the prefabricated steel plate 3 and the top of the prefabricated U-shaped steel beam and a bending deformation resistant area is formed, a second rigid supporting and connecting part is fixedly arranged between the prefabricated steel plate 3 and the prefabricated steel beam 2 and is positioned in the bending deformation resistant area; wherein, the prefabricated steel plate 3 can also be arranged as a prefabricated profiled steel plate.
First rigidity supporting connection spare and second rigidity supporting connection spare all set up to L type channel steel, and prefabricated steel sheet 3 and prefabricated girder steel 2, prefabricated girder steel 2 and connecting plate 5, connecting plate 5 can adopt bolt and nut to connect and welded fastening with the fixed connection mode of prefabricated steel-pipe column 1, and the welding is set forth as the example in this application embodiment.
Further, in other embodiments, laid embedded steel bar in the bending resistance deformation district, embedded steel bar's both ends and 2 fixed connection of two prefabricated girder steels, its fixed connection mode adopts welded fastening in this application embodiment, and wherein, embedded steel bar includes horizontal reinforcing bar and longitudinal reinforcement.
The implementation principle of a precast beam column assembled system of the embodiment of the application is as follows:
during actual operation, the prefabricated steel pipe column 1, the prefabricated steel beam 2 and the prefabricated steel plate 3, namely the prefabricated beam plate 4, can be manufactured in a factory according to drawing data, then concrete is poured into the pouring groove 11 of the prefabricated steel pipe column 1 directly at a construction site, then the prefabricated beam plate 4 is fixed on the prefabricated steel pipe column 1 through the connecting plate 5 in a hoisting mode, and then concrete is poured into the pouring area 42 to form a floor slab structure, the prefabricated steel beam 2 and the prefabricated steel plate 3 jointly act to remarkably enhance the beam stability, the torsion resistance, the bending strength and the deflection, the connection rigidity of the floor slab and the beam column is increased, so that the floor slab stability is stronger, and the size of the beam plate structure can be reduced; in addition, due to the combined action of steel and concrete, the concrete is poured into the prefabricated steel pipe column 1, so that the buckling of the prefabricated steel pipe column 1 is delayed, and the bending strength of the floor slab is improved.
The embodiment of the application also discloses a construction method of the prefabricated beam-column assembly type system.
Referring to fig. 3, a construction method of a precast beam column fabricated system includes a: prefabricating a steel pipe column, B: beam and slab prefabrication operation and C: assembling on site;
a: the prefabricating operation of the steel pipe column comprises the following steps of,
a1: directly manufacturing a prefabricated steel pipe column 1 in a factory;
a2: fixing a connecting plate 5 on the prefabricated steel pipe column 1 according to each floor node;
a21: connecting the prefabricated steel pipe column 1 with the connecting plate 5 by using a first rigid support connecting piece;
b: the beam-slab prefabricating operation comprises the following steps,
b1: manufacturing a prefabricated U-shaped steel beam as a prefabricated steel beam 2 by using a cold-bending forming machine in a factory;
b2: cutting a steel plate or a profiled steel plate with a certain size by using a cutting machine to prepare a prefabricated steel plate 3;
b3: fixing a plurality of precast steel beams 2 on the peripheral sides of the precast steel plates 3 to form precast beam plates 4;
b31: laying embedded steel bars in the pouring area 42, and fixing two ends of the embedded steel bars on the two opposite prefabricated steel beams 2, wherein the embedded steel bars comprise transverse steel bars and longitudinal steel bars;
b32: in the process of manufacturing the precast beam plate 4, a height difference is formed between the bottom of the precast steel plate 3 and the bottom of the precast steel beam 2, and a bending-resistant deformation area is formed, and the precast steel beam 2 and the precast steel plate 3 are connected by using a second rigid supporting and connecting piece in the bending-resistant deformation area;
c: the field assembly operation comprises the steps of,
c1, driving the prefabricated steel pipe column 1 into the foundation by using a pile driver;
c2: concrete is injected into the pouring groove 11 of the prefabricated steel pipe column 1;
c3: sequentially hoisting each prefabricated beam plate 4 to the corresponding floor node from bottom to top, wherein in the hoisting process, the prefabricated beam plates 4 enter the corresponding floor node in an inclined state, then the prefabricated beam plates 4 are horizontally arranged and lapped on the connecting plates 5 of the prefabricated steel pipe column 1, and then the prefabricated U-shaped steel beams at the assembly gaps 41 are fixed on the connecting plates 5 of the prefabricated steel pipe column 1;
c4: pouring concrete into the pouring area 42 of the precast beam slab 4;
wherein, A: prefabricating a steel pipe column and B: beam slab prefabrication operation can be carried out synchronously;
a21, B31 and B32 can be constructed according to the actual load requirement; in addition, the fixed connection mode of prefabricated steel sheet 3 and prefabricated girder 1, prefabricated girder 2 and connecting plate 5, connecting plate 5 and prefabricated steel-pipe column 1 can adopt bolt and nut to connect and welded fastening, and the welding is set forth as the example in this application embodiment.
Claims (10)
1. The utility model provides a precast beam post assembled system which characterized in that: the prefabricated steel pipe column comprises a plurality of prefabricated steel pipe columns (1), prefabricated steel beams (2) and prefabricated steel plates (3);
a pouring groove (11) for pouring concrete is formed in the prefabricated steel pipe column (1);
the prefabricated steel beams (2) are provided with a plurality of prefabricated steel plates (3) which are arranged in an enclosing mode and fixedly connected with the prefabricated steel plates to form prefabricated beam plates (4), assembling gaps (41) matched with the prefabricated steel pipe columns (1) are formed between every two adjacent prefabricated steel beams (2), and pouring areas (42) with upward openings and used for pouring concrete are formed between the prefabricated steel beams (2) and the prefabricated steel plates (3);
the prefabricated steel pipe column (1) is fixedly provided with a connecting plate (5) at each floor node, and the connecting plate (5) is fixedly connected with the prefabricated steel beam (2) at the floor assembly gap (41).
2. A precast beam column fabricated system according to claim 1, wherein: and a first rigid supporting connecting piece is fixedly arranged between the bottom of the connecting plate (5) and the prefabricated steel pipe column (1).
3. A precast beam column fabricated system according to claim 2, wherein: the top of the prefabricated steel plate (3) and the top of the prefabricated steel beam (2) are provided with a height difference and are provided with bending-resistant deformation areas.
4. A precast beam column fabricated system according to claim 3, wherein: and a second rigid supporting and connecting piece is fixedly arranged between the prefabricated steel plate (3) and the prefabricated steel beam (2), and is positioned in the bending-resistant deformation area.
5. A precast beam column fabricated system according to claim 4, wherein: the prefabricated steel plate (3) is a profiled steel plate.
6. A precast beam column fabricated system according to claim 3, 4 or 5, wherein: and embedded steel bars are laid in the bending-resistant deformation area, and two ends of the embedded steel bars are fixedly connected with the two prefabricated steel beams (2).
7. A precast beam column fabricated system according to claim 6, wherein: and the connecting plates (5) are provided with connecting parts (51) used for connecting corresponding prefabricated steel beams (2) along the peripheral sides of the prefabricated steel pipe columns (1).
8. The precast beam column fabricated system of claim 6, wherein: the prefabricated steel beam (2) is arranged to be a prefabricated U-shaped steel beam with an upward opening.
9. The construction method of the precast beam-column fabricated system according to claim 7, wherein: the method comprises the following steps: prefabricating a steel pipe column, B: beam and slab prefabrication operation and C: assembling on site;
a: the prefabricating operation of the steel pipe column comprises the following steps of,
a1: directly manufacturing a prefabricated steel pipe column (1) in a factory;
a2: fixing a connecting plate (5) on the prefabricated steel pipe column (1) according to each floor node;
b: the beam-slab prefabricating operation comprises the following steps,
b1: manufacturing a prefabricated U-shaped steel beam as a prefabricated steel beam (2) by using a cold-bending forming machine in a factory;
b2: cutting a steel plate or a profiled steel plate with a certain size by using a cutting machine to manufacture a prefabricated steel plate (3);
b3: fixing a plurality of prefabricated steel beams (2) on the peripheral sides of the prefabricated steel plates (3) to form prefabricated beam plates (4);
c: the field assembly operation comprises the steps of,
c1, driving the prefabricated steel pipe column (1) into the foundation by using a pile driver;
c2: pouring concrete into a pouring groove (11) of the prefabricated steel pipe column (1);
c3: sequentially hoisting each prefabricated beam plate (4) to the corresponding floor node from bottom to top, wherein in the hoisting process, the prefabricated beam plates (4) enter the corresponding floor node in an inclined state, then the prefabricated beam plates (4) are horizontally arranged and lapped on a connecting plate (5) of the prefabricated steel pipe column (1), and then the prefabricated U-shaped steel beam at the assembly gap (41) is fixed on the connecting plate (5) of the prefabricated steel pipe column (1);
c4: pouring concrete into the pouring area (42) of the precast beam slab (4);
wherein, A: prefabricating a steel pipe column and B: the beam slab prefabricating operation can be carried out synchronously.
10. The construction method of the precast beam-column fabricated system according to claim 9, wherein: in the A2, a prefabricated steel pipe column (1) and a connecting plate (5) can be connected by a first rigid support connecting piece; in the B3, pre-buried steel bars are laid in the pouring area (42), and two ends of each pre-buried steel bar are fixed on two opposite prefabricated steel beams (2), wherein each pre-buried steel bar comprises a transverse steel bar and a longitudinal steel bar; and in the B3, the prefabricated steel beam (2) and the prefabricated steel plate (3) can be connected by using a second rigid supporting and connecting piece.
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| CN202210169710.1A CN114541583A (en) | 2022-02-23 | 2022-02-23 | Prefabricated beam column assembly type system and construction method thereof |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104532964A (en) * | 2015-01-13 | 2015-04-22 | 济南轨道交通集团有限公司 | Building beam-column joint connecting structure and process |
| CN105089204A (en) * | 2015-05-12 | 2015-11-25 | 重庆大学 | Cold-formed thin-walled ribbed U-shaped steel-encased concrete laminated slab composite beam |
| CN108331222A (en) * | 2018-02-12 | 2018-07-27 | 北京工业大学 | A kind of Z-type connection quadrate steel pipe column-stealth beam floor assembly system |
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| CN208668721U (en) * | 2018-04-19 | 2019-03-29 | 沈阳建筑大学 | Detachable prefabricated assembled steel-concrete composite beam plate |
| CN111561058A (en) * | 2020-06-22 | 2020-08-21 | 宁波优造建筑科技有限公司 | Novel construction method of fabricated mixed frame structure system |
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2022
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| CN104532964A (en) * | 2015-01-13 | 2015-04-22 | 济南轨道交通集团有限公司 | Building beam-column joint connecting structure and process |
| CN105089204A (en) * | 2015-05-12 | 2015-11-25 | 重庆大学 | Cold-formed thin-walled ribbed U-shaped steel-encased concrete laminated slab composite beam |
| WO2018137491A1 (en) * | 2017-01-24 | 2018-08-02 | 白月祥 | Modular steel structure prefabricated building |
| CN108331222A (en) * | 2018-02-12 | 2018-07-27 | 北京工业大学 | A kind of Z-type connection quadrate steel pipe column-stealth beam floor assembly system |
| CN108518019A (en) * | 2018-04-19 | 2018-09-11 | 沈阳建筑大学 | Prefabricated assembled steel-profiled sheet concrete combination beam |
| CN208668721U (en) * | 2018-04-19 | 2019-03-29 | 沈阳建筑大学 | Detachable prefabricated assembled steel-concrete composite beam plate |
| CN111561058A (en) * | 2020-06-22 | 2020-08-21 | 宁波优造建筑科技有限公司 | Novel construction method of fabricated mixed frame structure system |
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