CN112177154B - A structure of a steel tube concrete assembled building and its assembly method - Google Patents
A structure of a steel tube concrete assembled building and its assembly method Download PDFInfo
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- CN112177154B CN112177154B CN202010037930.XA CN202010037930A CN112177154B CN 112177154 B CN112177154 B CN 112177154B CN 202010037930 A CN202010037930 A CN 202010037930A CN 112177154 B CN112177154 B CN 112177154B
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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
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
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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
- E04B1/38—Connections for building structures in general
- E04B1/61—Connections for building structures in general of slab-shaped building elements with each other
- E04B1/6108—Connections for building structures in general of slab-shaped building elements with each other the frontal surfaces of the slabs connected together
- E04B1/612—Connections for building structures in general of slab-shaped building elements with each other the frontal surfaces of the slabs connected together by means between frontal surfaces
- E04B1/6125—Connections for building structures in general of slab-shaped building elements with each other the frontal surfaces of the slabs connected together by means between frontal surfaces with protrusions on the one frontal surface co-operating with recesses in the other frontal surface
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
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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
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
- E04B2001/2406—Connection nodes
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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
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
- E04B2001/2415—Brackets, gussets, joining plates
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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
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
- E04B2001/2418—Details of bolting
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Mechanical Engineering (AREA)
- Rod-Shaped Construction Members (AREA)
Abstract
本发明公开了一种钢管混凝土装配式建筑的结构及其装配方法，结构包括多根纵横排列的钢管混凝土柱、连接件、钢管混凝土梁、墙板和楼层板；装配方法包括以下步骤：(1)搭建框架；(2)浇筑轻集料混凝土；(3)安装楼层板；(4)安装墙板；(5)填充缝隙。有益效果：本发明结构简单，易实现；主体承重结构采用钢管混凝土框架结构，承重力大、自重轻、抗震性能优越；结构更轻巧，受力状态良好，提升了房屋的使用面积；节省了钢材和混凝土用量；施工周期短，产生的建筑施工垃圾较少，并且施工过程中的灰尘和噪音污染减少。
The present invention discloses a structure of a steel tube concrete prefabricated building and an assembly method thereof, wherein the structure comprises a plurality of steel tube concrete columns, connectors, steel tube concrete beams, wall panels and floor panels arranged vertically and horizontally; the assembly method comprises the following steps: (1) building a frame; (2) pouring lightweight aggregate concrete; (3) installing floor panels; (4) installing wall panels; (5) filling gaps. Beneficial effects: The structure of the present invention is simple and easy to implement; the main load-bearing structure adopts a steel tube concrete frame structure, which has a large load-bearing capacity, light weight and excellent seismic resistance; the structure is lighter and has a good stress state, which increases the usable area of the house; the use of steel and concrete is saved; the construction period is short, less construction waste is generated, and dust and noise pollution during the construction process are reduced.
Description
Technical field:
The invention belongs to the field of building construction, and particularly relates to a steel tube concrete fabricated building structure and an assembly method thereof.
The background technology is as follows:
The method adopted at present mainly comprises the traditional reinforced concrete frame construction method, wherein the reinforced concrete frame construction method is adopted, and has the following problems that 1, the cross section area of a concrete beam column is overlarge, the concrete beam column occupies an actual use space to form a fat beam column, the use space of a house is irregular, inconvenience is brought to households, 2, the construction is difficult due to the fact that the concrete is solidified at a low temperature and the construction time is long, 3, a large amount of site construction work can cause pollution such as dust and noise in the traditional construction method, the waste of resources and energy sources is large, safety accidents are easy to bring, the quality control work difficulty is large, and 4, the dead weight of a traditional reinforced concrete house is too heavy, and the earthquake resistance effect is not ideal.
The invention comprises the following steps:
the first aim of the invention is to provide a steel pipe concrete fabricated building structure which has the advantages of large bearing capacity, light dead weight and excellent earthquake resistance.
The second aim of the invention is to provide an assembly method of the concrete filled steel tube assembly type building, which is simple in method and short in construction period.
The technical scheme of the invention discloses a steel pipe concrete assembled building structure, which comprises a core tube, a steel pipe concrete column, a connecting piece, a steel pipe concrete beam, a wallboard and a floor slab; the concrete filled steel tube comprises a core tube, a plurality of steel tube concrete columns, a plurality of steel tube concrete beams, a plurality of wall plates, at least one connecting rod, fastening nuts, cap heads, floor plates, square steel tubes or round steel tubes, pouring openings, light aggregate concrete, box girders, outer surface concrete and anticorrosive layers, wherein the steel tube concrete columns are vertically and horizontally arranged around the core tube, the steel tube concrete columns are fixedly connected between the adjacent steel tube concrete columns through connecting pieces, the steel tube concrete beams are horizontally arranged between the adjacent steel tube concrete columns, the steel tube concrete beams are fixedly connected between the core tube and the adjacent steel tube concrete columns, the plurality of wall plates are stacked between the adjacent steel tube concrete beams in the vertical direction, at least one connecting rod penetrates through the wall plates between the adjacent steel tube concrete beams, one end of each connecting rod is in threaded connection with a fastening nut, the other end of each connecting rod is fixedly provided with a cap head, the floor plates are fixedly paved between the adjacent steel tube concrete beams in the horizontal direction of each floor, the steel tube concrete columns comprise steel tubes are square steel tubes or round steel tubes, pouring openings are formed below the steel tubes, the steel tubes are filled with light aggregate concrete, the steel tubes comprise box girders, the two ends of the box girders are respectively provided with a light aggregate, the outer surface concrete is filled with the light aggregate, and the anticorrosive layers are coated on the surface of the steel tube girders.
The connecting piece comprises an L-shaped fixing plate, an L-shaped connecting plate, a vertical bolt rod, a horizontal bolt rod and a reinforcing rib plate, wherein the L-shaped fixing plate and the L-shaped connecting plate are respectively arranged above and below the steel tube concrete beam, the vertical plate surface of the L-shaped fixing plate is fixed on the steel tube concrete column, the vertical bolt rod penetrates through the horizontal plate of the L-shaped fixing plate, the steel tube concrete beam and the horizontal plate of the L-shaped connecting plate, the horizontal bolt rod penetrates through the vertical plate of the L-shaped connecting plate and the steel tube concrete column, one end of the vertical bolt rod is in threaded connection with a fixing nut, the other end of the vertical bolt rod is fixedly provided with a bolt cap head, one end of the horizontal bolt rod is in threaded connection with a fixing nut, the other end of the horizontal bolt rod is fixedly provided with a bolt cap head, at least one reinforcing rib plate is arranged on the L-shaped connecting plate, and two adjacent sides of the reinforcing rib plate are respectively fixed on the horizontal plate surface and the vertical plate surface of the L-shaped connecting plate.
Further, when the steel pipe is a square steel pipe, a right-angle connecting block is welded and fixed between the adjacent steel pipe concrete beams, the top edge of the right-angle connecting block is welded and fixed on the horizontal plate edge of the L-shaped fixing plate, and the bottom edge of the right-angle connecting block is welded and fixed on the horizontal plate edge of the L-shaped connecting plate.
Further, when the steel pipe is a round steel pipe, a first connecting plate is welded and fixed between the horizontal plates of the adjacent L-shaped fixing plates, a second connecting plate is welded and fixed between the horizontal plates of the adjacent L-shaped connecting plates, a first arc-shaped plate is welded and fixed between the first connecting plate and the second connecting plate, two side edges of the first arc-shaped plate are respectively fixed on the adjacent steel pipe concrete beam, a second arc-shaped plate is welded and fixed between the vertical plates of the adjacent L-shaped connecting plates, the top edge of the second arc-shaped plate is welded and fixed with the second connecting plate, a reinforcing rib plate perpendicular and fixed with the first arc-shaped plate is welded and fixed between the first connecting plate and the second connecting plate, and a reinforcing rib plate is fixed between the second connecting plate and the second arc-shaped plate.
Furthermore, two cable-stayed columns are arranged between the adjacent steel pipe concrete beams, one ends of the cable-stayed columns are fixed on the reinforced rib plates arranged on the L-shaped connecting plates, the other ends of the cable-stayed columns are fixed on the steel pipe concrete beams and are used for bearing gravity vertically and supporting the shear wall transversely, so that the wind resistance and the earthquake resistance are improved, and the two cable-stayed columns are arranged in a V shape or an X shape.
Further, a reinforcing column is fixedly arranged between the steel tube concrete beams adjacent in the vertical direction, the connecting rod is connected with the reinforcing column through a connecting bolt, one end of the connecting bolt is fixedly provided with a connecting ring, the connecting ring penetrates through the wallboard to be sleeved on the connecting rod, and the other end of the connecting bolt penetrates through the reinforcing column and is in threaded connection with an adjusting nut.
Further, a clamping block is integrally formed on one side of the wallboard, a clamping groove matched with the clamping block is integrally formed on the other side of the wallboard, and the adjacent clamping blocks of the wallboard are mutually clamped with the clamping groove.
The wall plates are horizontally stacked between the adjacent steel tube concrete beams, a U-shaped clamping plate is fixed on the outer wall of each steel tube concrete beam, a U-shaped groove is formed in a horizontal plate of each U-shaped clamping plate, the parts of the connecting rods, which are located on two sides of the wall plates, are respectively inserted into the U-shaped grooves, the diameters of the fastening nuts and the diameters of the cap heads are both larger than the width of each U-shaped groove, and the width of each U-shaped groove is larger than the diameter of the connecting rod.
Furthermore, the wallboards are vertically arranged between the adjacent steel pipe concrete beams, fixed steel plates are arranged on two sides of the wallboards, two sides of each fixed steel plate are fixed on the adjacent steel pipe concrete beams, two ends of each connecting rod penetrate through each fixed steel plate, and light aggregate concrete is filled between each fixed steel plate and each wallboard.
The invention also discloses an assembly method of the steel pipe concrete assembled building, which comprises the following steps of (1) building a frame, (2) pouring lightweight aggregate concrete, (3) installing a floor board, (4) installing a wallboard, and (5) filling gaps;
(1) And (3) building a frame, namely fixing steel pipes on the periphery of the core tube in a longitudinal and transverse arrangement mode according to a certain interval, and fixing the box girder on the steel pipes through connecting pieces to finish building the frame.
(2) Pouring lightweight aggregate concrete, namely pouring the stirred lightweight aggregate concrete into the pouring opening of the steel pipe and the pouring opening of the box girder which are fixed in the step (1) respectively, stopping until the liquid level of the lightweight aggregate concrete reaches the opening at the top of the steel pipe and the air outlet of the box girder, and forming a steel pipe concrete column and a steel pipe concrete girder after the lightweight aggregate concrete is dried and solidified.
(3) Installing the floor slab, namely installing the floor slab on the steel pipe concrete beams adjacent to the same floor in the step (2), and pouring light aggregate concrete on the floor slab and the connection part of the floor slab after the installation is finished;
(4) And (3) installing the wallboard, namely hoisting the wallboard between two adjacent steel pipe concrete beams in the vertical direction by adopting a crane, clamping the clamping blocks of the adjacent wallboards in the clamping grooves, and fixing the wallboards through connecting rods to finish the installation of the wallboards.
(5) Filling gaps, namely filling gaps among the wallboards, gaps among the wallboards and the steel tube concrete column and gaps among the wallboards and the steel tube concrete beam by adopting bonding mortar.
Furthermore, two cable-stayed columns are welded between two adjacent box girders fixed in the step (1), one ends of the cable-stayed columns are welded and fixed on the reinforced rib plates on the L-shaped connecting plates, and the other ends of the cable-stayed columns are welded and fixed on the box girders below.
Further, in the step (4), the wallboards are horizontally stacked, then the connecting rods are sequentially inserted through the U-shaped grooves above the wallboards, the stacked wallboards and the U-shaped grooves below the wallboards, and then the fastening nuts are screwed on the connecting rods and screwed down.
Further, a reinforcing column is welded and fixed between the adjacent box girders in the vertical direction which are fixed in the step (1), a connecting bolt is movably penetrated through the reinforcing column, a hole communicated with the penetrating connecting rod hole is cut on one side surface of the wallboards to be stacked in the step (4), the wallboard is stacked at a position opposite to the connecting bolt, then a connecting ring on the connecting bolt is inserted into the cut hole, after stacking is completed, a connecting rod is sequentially penetrated through a U-shaped groove above the wallboards, the stacked wallboards, the connecting ring and a U-shaped groove below the wallboards, then an adjusting nut on the connecting bolt is screwed for reinforcing connection between the wallboards and the steel pipe concrete girder and the steel pipe concrete column, and finally a fastening nut is screwed on the connecting rod and screwed.
Further, in the step (4), the wallboards are vertically arranged and placed, fixed steel plates are attached to two sides of the placed wallboards, two sides of the fixed steel plates are welded on the steel pipe concrete beam, then a connecting rod sequentially passes through the fixed steel plates on one side of the wallboards, the placed wallboards and the fixed steel plates on the other side of the wallboards, fastening nuts are screwed on the connecting rod and screwed down, then a template is installed between the fixed steel plates and the steel pipe concrete column to form a closed space, and finally light aggregate concrete is filled in the closed space until the light aggregate concrete is dried and solidified, and then the template is removed.
The invention has the advantages that 1, the structure is simple and easy to realize, the main body bearing structure adopts the steel pipe concrete frame structure, the bearing capacity is large, the dead weight is light, the earthquake resistance is superior, 2, the main body bearing structure adopts the steel pipe concrete frame structure, 50 percent of steel is saved compared with the conventional steel structure building, the cost is reduced, 50 percent of concrete is saved compared with the conventional reinforced concrete building, the structure is lighter, the stress state is good, the steel pipe concrete beam and the steel pipe concrete column have better bending resistance and compression resistance compared with the reinforced concrete beam and the steel pipe concrete column with the same cross section, therefore, the cross section of the steel pipe concrete beam and the steel pipe concrete column is smaller than the cross section of the reinforced concrete beam and the steel pipe concrete column under the condition of certain bending resistance and compression resistance, the using area of a house is improved, the indoor space is also regular, 3, the weight of the wallboard adopted by the invention is lighter, the bearing capacity of the steel pipe concrete beam and the steel pipe concrete column is reduced, and the cross section of the steel pipe concrete beam and the steel pipe concrete column is further reduced compared with the conventional steel structure building and the steel concrete column, the construction noise is reduced, the assembly is saved, the 4, the dust pollution is obviously reduced, and the construction period is obviously shortened compared with the conventional construction method.
Description of the drawings:
Fig. 1 is a schematic overall structure of an embodiment of the present invention.
Fig. 2 is a partial enlarged view of a portion a in fig. 1.
Fig. 3 is a schematic diagram of the connection structure of the round steel pipes, the box girders and the connectors.
Fig. 4 is a schematic diagram of the connection structure of the square steel pipes, the box girders and the connectors.
Fig. 5 is a schematic cross-sectional view of the portion B-B of fig. 4.
Fig. 6 is a schematic view of a horizontally stacked wall panel.
FIG. 7 is a schematic cross-sectional view of portion C-C of FIG. 6.
Fig. 8 is a schematic view of a vertically aligned wall panel.
Fig. 9 is a schematic structural view of the U-shaped clip board.
The steel pipe concrete column 1, steel pipe 1.1, connecting piece 2, L type fixed plate 2.1, L type connecting plate 2.2, vertical bolt pole 2.3, horizontal bolt pole 2.4, right angle connecting block 2.5, reinforcing rib plate 2.6, fixation nut 2.7, bolt cap head 2.8, first connecting plate 2.9, second connecting plate 2.10, first arc plate 2.11, second arc plate 2.12, steel pipe concrete beam 3, box girder 3.1, wallboard 4, fixture block 4.1, draw-in groove 4.2, floor board 5, connecting rod 6, fastening nut 7, cap head 8, reinforcing column 9, connecting bolt 10, go-between 11, adjusting nut 12, U type cardboard 13, U type groove 13.1, fixed steel plate 14, core section of thick bamboo 15, cable-stayed column 16.
The specific embodiment is as follows:
the invention will be described in further detail by way of examples with reference to the accompanying drawings.
Embodiment 1 As shown in figures 1-9, the structure of the steel tube concrete fabricated building comprises a core tube 15, steel tube concrete columns 1, connecting pieces 2, steel tube concrete beams 3, wallboards 4 and floor boards 5, wherein a plurality of steel tube concrete columns 1 are vertically and horizontally arranged around the core tube 15, the core tube 15 is disclosed by an application document of an assembled cross truss shear wall core tube, the name is CN201721673943.6, steel tube concrete beams 3 which are horizontally arranged are fixedly connected between adjacent steel tube concrete columns 1 through the connecting pieces 2, steel tube concrete beams 3 which are horizontally arranged are fixedly connected between the core tube 15 and the adjacent steel tube concrete columns 1, a plurality of wallboards 4 are stacked between the steel tube concrete beams 3 which are vertically adjacent, the wallboard 4 is disclosed by the application document of a high-strength gypsum-based foamed light heat insulation material and a preparation method thereof, the weight of the wallboard 4 adopted is light, therefore, the bearing capacity of the steel tube concrete columns 3 and the steel tube concrete columns 1 is reduced, and further compared with the conventional building structure, the connecting rod concrete beams 3 which are fixedly connected between the core tube concrete columns 15 and the adjacent steel tube concrete columns 1 through the connecting pieces 2, the connecting pieces of the connecting rods which are fixedly connected between the connecting pieces 4 and the connecting pieces 5 is at least one end of the connecting bars which are fixedly arranged between the steel tube concrete columns 3 and the connecting pieces 4, a plurality of connecting pieces which are fixedly connected with one end of the connecting bars 5, a plurality of connecting bars which are fixedly arranged between the connecting pieces 5 and the connecting bars which are fixedly arranged between the connecting bars 4 and the connecting bars 4, and the connecting plates 4 is fixedly connected between the connecting bars 5 and 5 in the connecting bars for at one end of the connecting steel tube concrete of the connecting bars and 5, the steel tube concrete column 1 comprises a steel tube 1.1, wherein the steel tube 1.1 is a square steel tube or a round steel tube, pouring openings are formed below the steel tube 1.1, lightweight aggregate concrete is filled in the steel tube 1.1, the steel tube concrete beam 3 comprises a box beam 3.1, pouring openings and air outlets are formed at two ends of the box beam 3.1 respectively, lightweight aggregate concrete is filled in the box beam 3.1, the lightweight aggregate concrete is disclosed by an application document with the name of CN201810258399.1, and the lightweight aggregate anti-bending concrete is coated on the outer surfaces of the steel tube 1.1 and the box beam 3.1, so that corrosion and damage of the steel tube 1.1 and the box beam 3.1 are prevented, and the service life of the steel tube concrete is prolonged.
The connecting piece 2 comprises an L-shaped fixed plate 2.1, an L-shaped connecting plate 2.2, a vertical bolt rod 2.3, a horizontal bolt rod 2.4 and a reinforcing rib plate 2.6; an L-shaped fixing plate 2.1 and an L-shaped connecting plate 2.2 are respectively arranged above and below the steel tube concrete beam 3, the L-shaped connecting plate 2.2 can straighten the steel tube concrete beam 3 to be vertical to the steel tube concrete column 1, the vertical plate surface of the L-shaped fixing plate 2.1 is fixed on the steel tube concrete column 1, the vertical bolt rod 2.3 penetrates through the horizontal plate of the L-shaped fixing plate 2.1, the steel tube concrete beam 3 and the horizontal plate of the L-shaped connecting plate 2.2, the horizontal bolt rod 2.4 penetrates through the vertical plate of the L-shaped connecting plate 2.2 and the steel tube concrete column 1, the vertical bolt rod 2.3 positioned in the steel tube concrete beam 3 and the horizontal bolt rod 2.4 positioned in the steel tube concrete column 1 play a role of reinforcing light aggregate concrete, one end of the vertical bolt rod 2.3 is screwed with a fixing nut 2.7, the other end of the vertical bolt rod 2.3 is fixed with a bolt cap 2.8, one end of the horizontal bolt rod 2.4 is screwed with a fixing nut 2.7, one end of the horizontal bolt 2.4 is screwed with the other end of the horizontal bolt cap 2.8, the other end of the horizontal bolt 2.4 is welded on the top edge of the steel tube 2.1.5, and the top edge of the vertical plate 2.2.5 is welded on the top edge of the steel tube 2.1, and the top edge 2.5 is welded on the top edge of the connecting plate 2.2.5, and the top edge of the two adjacent steel tube 2.2.2.5 is welded on the top edge of the connecting plate, and the top edge 2.2.2 is welded on the top edge, and the top edge 2.2 side, and 2 is welded on the top of the top 2 side, and 2.2 side, and 2 side is welded on the top and 2 side, and 2 side is fixed, a first connecting plate 2.9 is welded and fixed between horizontal plates of adjacent L-shaped fixing plates 2.1, a second connecting plate 2.10 is welded and fixed between horizontal plates of adjacent L-shaped connecting plates 2.2, a first arc-shaped plate 2.11 is welded and fixed between the first connecting plate 2.9 and the second connecting plate 2.10, two side edges of the first arc-shaped plate 2.11 are respectively fixed on adjacent steel tube concrete beams 3, a second arc-shaped plate 2.12 is welded and fixed between vertical plates of the adjacent L-shaped connecting plates 2.2, the top edge of the second arc-shaped plate 2.12 is welded and fixed with the second connecting plate 2.10, a reinforcing rib plate 2.6 which is perpendicular to the first arc-shaped plate 2.11 is welded and fixed between the first connecting plate 2.9 and the second connecting plate 2.10, and a reinforcing rib plate 2.6 is fixed between the second connecting plate 2.10 and the second arc-shaped plate 2.12, so that the whole body is formed between the connecting pieces 2 and the mechanical performance of the connecting pieces is improved.
Two cable-stayed columns 16 are arranged between the adjacent steel pipe concrete beams 3, one ends of the cable-stayed columns 16 are fixed on the reinforced rib plates 2.6 arranged on the L-shaped connecting plates 2.2, the other ends of the cable-stayed columns 16 are fixed on the steel pipe concrete beams 3 and are used for bearing gravity vertically and supporting the shear wall transversely, so that the wind resistance and the earthquake resistance are improved, and the two cable-stayed columns 16 are arranged in a V shape or an X shape.
Reinforcing columns 9 are fixedly arranged between the steel tube concrete beams 3 adjacent in the vertical direction, the connecting rods 6 and the reinforcing columns 9 are connected through connecting bolts 10, one ends of the connecting bolts 10 are fixedly provided with connecting rings 11, the connecting rings 11 penetrate through the wallboard 4 and are sleeved on the connecting rods 6, and the other ends of the connecting bolts 10 penetrate through the reinforcing columns 9 and are in threaded connection with adjusting nuts 12.
One side integrated into one piece of wallboard 4 has fixture block 4.1, and another side integrated into one piece of wallboard 4 has fixture block 4.1 matched with draw-in groove 4.2, the fixture block 4.1 and the mutual joint of draw-in groove 4.2 of adjacent wallboard 4.
The wall plates 4 are horizontally stacked between the adjacent steel tube concrete beams 3, a U-shaped clamping plate 13 is fixed on the outer wall of each steel tube concrete beam 3, U-shaped grooves 13.1 are formed in horizontal plates of the U-shaped clamping plates 13, parts of the connecting rods 6 located on two sides of the wall plates 4 are respectively inserted into the U-shaped grooves 13.1, the diameters of the fastening nuts 7 and the diameters of the cap heads 8 are both larger than the width of the U-shaped grooves 13.1, and the width of the U-shaped grooves 13.1 is larger than the diameter of the connecting rods 6.
The wall boards 4 are vertically arranged between the adjacent steel pipe concrete beams 3, fixed steel plates 14 are arranged on two sides of the wall boards 4, two sides of each fixed steel plate 14 are fixed on the adjacent steel pipe concrete beams 3, two ends of each connecting rod 6 penetrate through each fixed steel plate 14, and light aggregate concrete is filled between each fixed steel plate 14 and each wall board 4.
The invention has simple structure and easy realization, the main body bearing structure adopts the steel pipe concrete frame structure, has large bearing capacity, light dead weight and excellent earthquake resistance, compared with the conventional steel structure building, the main body bearing structure adopts the steel pipe concrete frame structure, saves 50 percent of steel, reduces the cost, saves 50 percent of concrete compared with the conventional reinforced concrete building, has lighter structure and good stress state, and compared with the reinforced concrete beam and the reinforced concrete column with the same cross section, the steel pipe concrete beam 3 and the steel pipe concrete column 1 have better bending resistance and compressive resistance, so that the cross section of the steel pipe concrete beam 3 and the steel pipe concrete column 1 is smaller than the cross section of the reinforced concrete beam and the reinforced concrete column under certain bending resistance and compressive resistance, the service area of a house is improved, and the indoor space is regular.
The embodiment 2 is a method for assembling the structure of the concrete-filled steel tube assembly type building of the embodiment 1, which comprises the following steps of (1) building a frame, (2) pouring lightweight aggregate concrete, (3) installing a floor board, (4) installing a wallboard, and (5) filling gaps;
(1) The construction of the frame is completed by fixing steel pipes 1.1 on the basis of the periphery of a core tube 15 in a longitudinal and transverse arrangement at certain intervals, and then fixing box girders 3.1 on the steel pipes 1.1 through connecting pieces 2.
(2) Pouring lightweight aggregate concrete, namely pouring the stirred lightweight aggregate concrete into the pouring opening of the steel pipe 1.1 and the pouring opening of the box girder 3.1 which are fixed in the step (1) respectively, stopping until the liquid level of the lightweight aggregate concrete reaches the opening at the top of the steel pipe 1.1 and the air outlet of the box girder 3.1, and forming the steel pipe concrete column 1 and the steel pipe concrete girder 3 after the lightweight aggregate concrete is dried and solidified.
(3) Installing the floor slab, namely installing the floor slab 5 on the steel pipe concrete beams 3 adjacent to the same floor in the step (2), and pouring lightweight aggregate concrete on the floor slab 5 and the connection part of the floor slab after the installation is finished;
(4) And (3) installing the wallboard, namely hoisting the wallboard 4 between two adjacent steel pipe concrete beams 3 in the vertical direction by adopting a crane, clamping the clamping blocks 4.1 of the adjacent wallboard 4 in the clamping grooves 4.2, and then fixing the wallboard 4 through the connecting rod 6 to finish the installation of the wallboard 4.
(5) Filling gaps, namely filling gaps among the wallboards 4, gaps among the wallboards 4 and the steel tube concrete column 1 and gaps among the wallboards 4 and the steel tube concrete beam 3 by using bonding mortar.
When a shear wall is required to be erected, two cable-stayed columns 16 are welded between two adjacent box girders 3.1 fixed in the step (1), one ends of the cable-stayed columns 16 are welded and fixed on the reinforcing rib plates 2.6 on the L-shaped connecting plates 2.2, and the other ends of the cable-stayed columns 16 are welded and fixed on the box girders 3.1 below.
In the step (4), the wallboards 4 are horizontally stacked, then the connecting rods 6 are sequentially inserted through the U-shaped grooves 13.1 above the wallboards 4, the stacked wallboards 4 and the U-shaped grooves 13.1 below the wallboards 4, and then the fastening nuts 7 are screwed on the connecting rods 6 and screwed down.
A reinforcing column 9 is welded and fixed between the box girders 3.1 which are adjacent in the vertical direction and fixed in the step (1), a connecting bolt 10 is movably penetrated through the reinforcing column 9, a hole which is communicated with a hole for inserting the connecting rod 6 is cut on one side surface of the wallboard 4 to be stacked in the step (4), the wallboard is stacked at a position opposite to the connecting bolt 10, then a connecting ring 11 on the connecting bolt 10 is inserted into the cut hole, after stacking, the connecting rod 6 is sequentially penetrated through a U-shaped groove 13.1 above the wallboard 4, the stacked wallboard 4, the connecting ring 11 and a U-shaped groove 13.1 below the wallboard 4, then an adjusting nut 12 on the connecting bolt 10 is screwed, and finally a fastening nut 7 is screwed on the connecting rod 6 and is screwed.
And (4) arranging the wallboards 4 vertically in sequence, attaching fixed steel plates 14 to two sides of the well-arranged wallboards 4, welding two sides of the fixed steel plates 14 on the steel pipe concrete beam 3, sequentially penetrating the connecting rod 6 through the fixed steel plates 14 on one side of the wallboards 4, the well-arranged wallboards 4 and the fixed steel plates 14 on the other side of the wallboards 4, screwing the fastening nuts 7 on the connecting rod 6, screwing, installing templates between the fixed steel plates 14 and the steel pipe concrete column 1 to form a closed space, and finally filling light aggregate concrete into the closed space until the light aggregate concrete is dried and solidified, and removing the templates.
The assembly method is simple and convenient, compared with the traditional reinforced concrete construction period, the method obviously shortens the construction period, generates less construction waste, and reduces dust and noise pollution in the construction process.
Experiment 1, namely, a steel tube concrete column, wherein the section diameter is 400mm, the wall thickness of the steel tube is 6mm, the length is 3180mm, the section diameter is 400mm, the length is 3180mm, the axial compression experiment is carried out on the two structures, the bearing capacity of the steel tube concrete column is 6938kN, the bearing capacity of the reinforced concrete column is 2607kN, the steel tube concrete column has better bearing capacity than the reinforced concrete column with the same section area, and the steel tube concrete column has better bending resistance and compression resistance than the reinforced concrete column with the same section area.
The foregoing is a preferred embodiment of the present invention, and it will be apparent to those skilled in the art that modifications and variations can be made without departing from the principles of the present invention, and such modifications and variations are to be regarded as being within the scope of the invention.
Claims (12)
1. A steel tube concrete fabricated building structure is characterized by comprising a core tube, steel tube concrete columns, connecting pieces, steel tube concrete beams, wallboards and floor boards, wherein a plurality of steel tube concrete columns are vertically and horizontally arranged around the core tube, the steel tube concrete beams which are horizontally arranged are fixedly connected between the adjacent steel tube concrete columns through the connecting pieces, the steel tube concrete beams which are horizontally arranged are fixedly connected between the core tube and the adjacent steel tube concrete columns, a plurality of wallboards are stacked between the adjacent steel tube concrete beams in the vertical direction, at least one connecting rod is arranged between the wallboards between the adjacent steel tube concrete beams in a penetrating manner, one end of each connecting rod is in threaded connection with a fastening nut, the other end of each connecting rod is fixedly provided with a cap head, the steel tube concrete columns comprise steel tubes which are square steel tubes or round steel tubes, pouring openings are formed below the steel tube concrete beams, light aggregate concrete pouring openings are filled in the steel tube concrete filling openings, the light aggregate concrete boxes comprise air outlet boxes, the connecting bolts are fixedly connected between the reinforcing boxes and the reinforcing boxes, and the reinforcing bolts are respectively arranged at two ends of the reinforcing boxes in penetrating manner, and one end of each reinforcing box is fixedly connected with the connecting rod through the connecting rods.
2. The steel tube concrete fabricated building structure according to claim 1, wherein the connecting piece comprises an L-shaped fixing plate, an L-shaped connecting plate, a vertical bolt rod, a horizontal bolt rod and a reinforcing rib plate, the L-shaped fixing plate and the L-shaped connecting plate are respectively arranged above and below the steel tube concrete beam, the vertical plate surface of the L-shaped fixing plate is fixed on the steel tube concrete column, the vertical bolt rod penetrates through the horizontal plate of the L-shaped fixing plate, the steel tube concrete beam and the horizontal plate of the L-shaped connecting plate, the horizontal bolt rod penetrates through the vertical plate of the L-shaped connecting plate and the steel tube concrete column, one end of the vertical bolt rod is in threaded connection with a fixing nut, the other end of the vertical bolt rod is fixedly provided with a bolt cap head, the other end of the horizontal bolt rod is fixedly provided with a bolt cap head, at least one reinforcing rib plate is arranged on the L-shaped connecting plate, and two adjacent sides of the reinforcing rib plate are respectively fixed on the horizontal plate surface of the L-shaped connecting plate and the vertical plate surface of the L-shaped connecting plate.
3. The concrete filled steel tube fabricated building structure according to claim 2, wherein when the steel tube is a square steel tube, right-angle connecting blocks are welded and fixed between adjacent concrete filled steel tube beams, top edges of the right-angle connecting blocks are welded and fixed on horizontal plate edges of the L-shaped fixing plates, and bottom edges of the right-angle connecting blocks are welded and fixed on horizontal plate edges of the L-shaped connecting plates.
4. The steel pipe concrete fabricated building structure according to claim 2, wherein when the steel pipe is a round steel pipe, a first connecting plate is welded and fixed between the horizontal plates of the adjacent L-shaped fixing plates, a second connecting plate is welded and fixed between the horizontal plates of the adjacent L-shaped connecting plates, a first arc-shaped plate is welded and fixed between the first connecting plate and the second connecting plate, two side edges of the first arc-shaped plate are respectively fixed on the adjacent steel pipe concrete beams, a second arc-shaped plate is welded and fixed between the vertical plates of the adjacent L-shaped connecting plates, the top edge of the second arc-shaped plate is welded and fixed with the second connecting plate, a reinforcing rib plate which is vertically fixed with the first arc-shaped plate is welded and fixed between the first connecting plate and the second connecting plate, and a reinforcing rib plate is fixed between the second connecting plate and the second arc-shaped plate.
5. The steel tube concrete fabricated building structure according to any one of claims 2 to 4, wherein two diagonal-pulling columns are arranged between adjacent steel tube concrete beams, one ends of the diagonal-pulling columns are fixed on reinforcing rib plates arranged on the L-shaped connecting plates, the other ends of the diagonal-pulling columns are fixed on the steel tube concrete beams, and the two diagonal-pulling columns are arranged in a V shape or an X shape.
6. A concrete filled steel tube fabricated building structure according to claim 1, wherein a clamping block is integrally formed on one side of the wall plate, a clamping groove matched with the clamping block is integrally formed on the other side of the wall plate, and the clamping blocks of adjacent wall plates and the clamping grooves are mutually clamped.
7. The steel tube concrete fabricated building structure of claim 6, wherein the wall plates are horizontally stacked between adjacent steel tube concrete beams, U-shaped clamping plates are fixed on the outer walls of the steel tube concrete beams, U-shaped grooves are formed in horizontal plates of the U-shaped clamping plates, parts of the connecting rods, which are located on two sides of the wall plates, are respectively inserted into the U-shaped grooves, the diameters of the fastening nuts and the diameters of the cap heads are larger than the widths of the U-shaped grooves, and the widths of the U-shaped grooves are larger than the diameters of the connecting rods.
8. The concrete-filled steel tube fabricated building structure according to claim 6, wherein the wall panels are vertically arranged between the adjacent steel tube concrete beams, fixed steel plates are arranged on two sides of the wall panels, two sides of each fixed steel plate are fixed on the adjacent steel tube concrete beams, two ends of each connecting rod penetrate through the fixed steel plates respectively, and lightweight aggregate concrete is filled between each fixed steel plate and each wall panel.
9. The method for assembling the steel pipe concrete assembled building structure according to any one of claims 1 to 8, which is characterized by comprising the following steps of (1) building a frame, (2) pouring lightweight aggregate concrete, (3) installing a floor slab, (4) installing a wallboard, and (5) filling gaps;
(1) Setting up a frame, namely fixing steel pipes on the periphery of a core tube in a longitudinal and transverse arrangement mode according to a certain interval, and fixing box girders on the steel pipes through connecting pieces to finish setting up the frame;
Two cable-stayed columns are welded between two fixed adjacent box girders, one end of each cable-stayed column is welded and fixed on a reinforcing rib plate on the L-shaped connecting plate, and the other end of each cable-stayed column is welded and fixed on the box girder below;
(2) Pouring light aggregate concrete, namely pouring the stirred light aggregate concrete into the pouring opening of the steel pipe and the pouring opening of the box girder which are fixed in the step (1) respectively until the liquid level of the light aggregate concrete reaches the opening at the top of the steel pipe and the air outlet of the box girder;
(3) Installing the floor slab, namely installing the floor slab on the steel pipe concrete beams adjacent to the same floor in the step (2), and pouring light aggregate concrete on the floor slab and the connection part of the floor slab after the installation is finished;
(4) The wallboard is installed, namely the wallboard is hoisted between two adjacent steel pipe concrete beams in the vertical direction by adopting a crane, a clamping block of the adjacent wallboard is clamped in a clamping groove, and then the wallboard is fixed by a connecting rod, so that the wallboard is installed;
(5) Filling gaps, namely filling gaps among the wallboards, gaps among the wallboards and the steel tube concrete column and gaps among the wallboards and the steel tube concrete beam by adopting bonding mortar.
10. The method for assembling a concrete filled steel tube assembly type building according to claim 9, wherein in the step (4), the wall panels are horizontally stacked, then the connecting rods are sequentially inserted through the U-shaped grooves above the wall panels, the stacked wall panels and the U-shaped grooves below the wall panels, and then the fastening nuts are screwed on the connecting rods and tightened.
11. The method for assembling a concrete filled steel tube assembly type building according to claim 10, wherein a reinforcing column is welded and fixed between the adjacent box girders in the vertical direction fixed in the step (1), a connecting bolt is movably penetrated through the reinforcing column, a hole communicated with the hole penetrating the connecting rod is cut on one side of the wallboard to be stacked in the step (4), the wallboard is stacked at a position opposite to the connecting bolt, a connecting ring on the connecting bolt is inserted into the cut hole, after stacking is completed, the connecting rod is sequentially penetrated through a U-shaped groove above the wallboard, the stacked wallboard, the connecting ring and a U-shaped groove below the wallboard, an adjusting nut on the connecting bolt is screwed, and finally a fastening nut is screwed on the connecting rod and screwed.
12. The method for assembling the concrete-filled steel tube fabricated building according to claim 9, wherein in the step (4), the wall plates are vertically arranged, fixed steel plates are attached to two sides of the well-arranged wall plates, two sides of the fixed steel plates are welded on the concrete-filled steel tube beam, then a connecting rod sequentially passes through the fixed steel plates on one side of the wall plates, the well-arranged wall plates and the fixed steel plates on the other side of the wall plates, fastening nuts are screwed on the connecting rod and screwed, then a formwork is installed between the fixed steel plates and the concrete-filled steel tube column to form a closed space, and finally light aggregate concrete is filled in the closed space until the light aggregate concrete is dried and solidified, and then the formwork is removed.
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