CN110295668B - Low-rise assembled steel concrete structure building and construction method thereof - Google Patents
Low-rise assembled steel concrete structure building and construction method thereof Download PDFInfo
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- CN110295668B CN110295668B CN201910533191.0A CN201910533191A CN110295668B CN 110295668 B CN110295668 B CN 110295668B CN 201910533191 A CN201910533191 A CN 201910533191A CN 110295668 B CN110295668 B CN 110295668B
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 497
- 239000010959 steel Substances 0.000 title claims abstract description 497
- 238000010276 construction Methods 0.000 title claims abstract description 36
- 239000002002 slurry Substances 0.000 claims abstract description 38
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 48
- 238000005253 cladding Methods 0.000 claims description 21
- 239000011148 porous material Substances 0.000 claims description 8
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 7
- 229910052749 magnesium Inorganic materials 0.000 claims description 7
- 239000011777 magnesium Substances 0.000 claims description 7
- 239000011521 glass Substances 0.000 claims description 6
- 239000004568 cement Substances 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 238000005452 bending Methods 0.000 claims description 3
- OSMSIOKMMFKNIL-UHFFFAOYSA-N calcium;silicon Chemical compound [Ca]=[Si] OSMSIOKMMFKNIL-UHFFFAOYSA-N 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 239000000835 fiber Substances 0.000 claims description 3
- 229910052602 gypsum Inorganic materials 0.000 claims description 3
- 239000010440 gypsum Substances 0.000 claims description 3
- 238000004080 punching Methods 0.000 claims description 3
- 238000009413 insulation Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000005494 condensation Effects 0.000 abstract 1
- 238000009833 condensation Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 109
- 238000000034 method Methods 0.000 description 10
- 238000005034 decoration Methods 0.000 description 7
- 238000009415 formwork Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 2
- 239000011440 grout Substances 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000006255 coating slurry Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
Classifications
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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
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/56—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/84—Walls made by casting, pouring, or tamping in situ
- E04B2/86—Walls made by casting, pouring, or tamping in situ made in permanent forms
- E04B2/8635—Walls made by casting, pouring, or tamping in situ made in permanent forms with ties attached to the inner faces of the forms
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/30—Columns; Pillars; Struts
- E04C3/32—Columns; Pillars; Struts of metal
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/30—Columns; Pillars; Struts
- E04C3/34—Columns; Pillars; Struts of concrete other stone-like material, with or without permanent form elements, with or without internal or external reinforcement, e.g. metal coverings
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention discloses a low-rise assembled steel concrete structure building and a construction method thereof, wherein the low-rise assembled steel concrete structure building comprises a grouting enclosing wall and a building cover borne on the top of the grouting enclosing wall, the grouting enclosing wall comprises an enclosing wall steel skeleton, an outer covering layer arranged on the outer side of the enclosing wall steel skeleton, an inner covering layer arranged on the inner side of the enclosing wall steel skeleton, and a pouring layer formed by pouring slurry condensation between the outer covering layer and the inner covering layer; the outer covering layer is formed by assembling a plurality of wallboards hung on the steel skeleton of the enclosing wall, and hanging points are arranged on the back surface of the wallboards; the enclosure steel skeleton comprises a plurality of steel lattice hanging plate columns which are arranged at intervals, and hanging pieces corresponding to hanging points on the wallboard are respectively arranged on the inner side and the outer side of the steel lattice hanging plate columns. The low-rise assembled steel concrete structure building provided by the invention has the advantages of high construction speed, high production efficiency, material saving, low cost, high strength, good overall performance, sound insulation, noise reduction and ecological environment protection.
Description
Technical Field
The invention relates to the technical field of buildings, in particular to a low-rise assembled steel concrete structure building and a construction method thereof.
Background
The steel structure building is a novel building system, and compared with the traditional concrete building, the steel structure building uses a large number of steel plates or section steel, and is higher in strength and better in shock resistance. However, the development of the steel structure building in China is in a starting stage, and the current construction technology is not mature.
Chinese patent publication No. CN107893475a describes a low-rise light steel structure fabricated house comprising: the wall body, the flat layer body, the roof, the first bearing member and the second bearing member; the dense columns of the wall body are connected by a first bearing member; the flat layer body comprises a dense beam and a layer panel, two ends of the dense beams are aligned, the dense beams of the top flat layer body and the bottom flat layer body are connected by a first bearing member, and the dense Liang Youdi bearing members of the middle flat layer body are connected; the roof comprises roof diagonal beams and roof plates, the two ends of the dense beams of the top flat layer body are respectively connected with the roof diagonal beams, the roof diagonal beams arranged at the two ends of the dense beams of the top flat layer body are connected above the top flat layer body to form a triangle, and the roof plates are paved on the surfaces of the plurality of roof diagonal beams.
The low-rise light steel structure fabricated house described in the above patent document has the following disadvantages: firstly, construction process is complicated, and the wallboard is laid to the outside of this low-rise light steel structure assembled house at many dense posts, need with nails or bolt with the wallboard connection that lays on the dense post, in the installation, need at least two workman's cooperation just can install a wallboard on the dense post, and the construction is slow, consumes the manpower, and in addition, the dense post in the room is exposed, still need carry out secondary decoration to the room. Secondly, sound insulation and heat preservation are poor, the low-layer light steel structure assembled house adopts a hollow wallboard, the sound insulation effect is not obvious, the temperature in the house is greatly influenced by external environment, and the heat preservation performance is poor. Thirdly, the strength of the building is not high, the wallboard, the roof and the flat layer body of the low-rise light steel structure assembled house are not tightly combined with the dense columns and the dense beams, the whole house is poor in integrity, the strength is not high, and the shock resistance and the service life are affected.
Disclosure of Invention
The invention aims to provide a low-rise assembled steel concrete structure building and a construction method thereof, which solve the technical problems of multiple construction processes and low construction speed of the low-rise steel structure building in the prior art.
To solve the above technical problem, a first aspect of the present invention is:
the building comprises at least one layer of house, wherein the house comprises a grouting enclosing wall and a floor supported on the top of the grouting enclosing wall, the grouting enclosing wall comprises an enclosing wall steel skeleton, an outer covering layer arranged on the outer side of the enclosing wall steel skeleton, an inner covering layer arranged on the inner side of the enclosing wall steel skeleton and a pouring layer formed by pouring slurry between the outer covering layer and the inner covering layer in a condensing mode; the outer covering layer is formed by assembling a plurality of wallboards hung on the steel skeleton of the enclosing wall, and hanging points are arranged on the back surface of the wallboards; the enclosure steel skeleton comprises a plurality of steel lattice hanging plate columns which are arranged at intervals, and hanging pieces corresponding to hanging points on the wallboard are arranged on the outer sides of the steel lattice hanging plate columns.
Preferably, the floor system is a hollow floor system and comprises a floor system steel skeleton, a hollow die box layer paved in the floor system steel skeleton and a pouring body formed by condensing the floor system steel skeleton by filling and coating slurry, wherein the edge of the floor system steel skeleton is correspondingly fixed at the top of the enclosure steel skeleton.
Preferably, the floor steel skeleton is of a horizontal structure and comprises a plurality of steel bar truss cross beams and steel bar truss longitudinal beams, and the intersections of the steel bar truss cross beams and the steel bar truss longitudinal beams are connected through connecting pieces; or alternatively
The building cover steel skeleton is of an inclined plane structure and comprises a plurality of steel bar truss inclined beams, a plurality of steel bar truss longitudinal beams are arranged between the steel bar truss inclined beams, and the intersections of the steel bar truss inclined beams and the corresponding steel bar truss longitudinal beams are connected through connecting pieces; or alternatively
The steel skeleton of the floor system is of a herringbone structure, the left side of the steel skeleton comprises a plurality of left steel bar truss oblique beams, the right side of the steel skeleton comprises a plurality of right steel bar truss oblique beams, and the left steel bar truss oblique beams and the right steel bar truss oblique beams are connected through joint angle codes; and a plurality of steel bar truss longitudinal beams are respectively arranged between the left steel bar truss oblique beams and between the right steel bar truss oblique beams, and the intersections of the left steel bar truss oblique beams, the right steel bar truss oblique beams and the corresponding steel bar truss longitudinal beams are connected through connecting pieces.
Preferably, upper layer reinforcing steel bar nets and lower layer reinforcing steel bar nets are respectively fixedly arranged on the upper side and the lower side of the building cover steel skeleton, the hollow mould box layer is arranged between the upper layer reinforcing steel bar nets and the lower layer reinforcing steel bar nets, and the end parts of the reinforcing steel bars of the lower layer reinforcing steel bar nets and the upper layer reinforcing steel bar nets are correspondingly fixed on the top of the enclosure steel skeleton or the building cover steel skeleton.
Preferably, the steel bar truss cross beam, the steel bar truss longitudinal beam, the steel bar truss oblique beam, the left steel bar truss oblique beam and the right steel bar truss oblique beam comprise two groups of steel frames, each steel frame comprises an upper side steel bar and a lower side steel bar, and a plurality of connecting plates are fixedly arranged between the side steel bars.
Preferably, a plurality of steel lattice net columns are arranged in the house space inside the grouting enclosing wall and the building cover, each lattice steel net column comprises a steel lattice column, a dense-hole steel wire net layer coated on the outer surface of the steel lattice column, and a pouring column formed by pouring slurry in the steel lattice column in a condensing mode; the middle part of the floor steel skeleton is correspondingly fixed at the top of the steel lattice net column.
Preferably, the lattice hanging plate column comprises a left upright column and a right upright column, the left upright column and the right upright column are channel steel, the notch of the left upright column and the notch of the right upright column are arranged in opposite directions, the hanging piece is a hanging plate formed by punching and bending outwards at the bottom of the left upright column or the bottom of the right upright column, and the hanging plate is inclined upwards; and a plurality of connecting rods are arranged between the left upright post and the right upright post.
Preferably, the front and back sides of the wallboard are respectively a decorative surface and an assembling surface, a transverse strip-shaped bulge is arranged in the middle of the assembling surface, the hanging point is a hanging groove formed in the back side of the strip-shaped bulge, and the hanging groove extends obliquely upwards in the strip-shaped bulge.
Preferably, the inner cladding layer is formed by paving a glass magnesium flat plate, a silicon calcium plate, a fiber cement plate, a gypsum plate or a dense-pore steel wire mesh; the wallboard is a clear water concrete slab.
The second aspect of the invention is:
a construction method for designing a low-rise assembled steel concrete structure building comprises the following steps:
(1) Building a foundation:
1.1 Building a wall foundation on the ground according to a designed surrounding route of the wall of the low-rise assembled steel concrete structure building, wherein the wall foundation comprises a plurality of side pile foundations, and foundation bolts are correspondingly arranged on the side pile foundations;
1.2 Building a plurality of internal pile foundations in a site surrounded by the enclosing wall foundation, wherein foundation bolts are arranged on the internal pile foundations;
(2) Building a steel structure:
2.1 According to the designed layer number and height of the low-rise assembled steel concrete structure building, building a wall steel skeleton with corresponding height on the foundation, wherein the wall steel skeleton comprises a plurality of steel lattice hanging plate columns which are arranged at intervals, the bottom ends of the steel lattice hanging plate columns are correspondingly fixed on the side pile foundations, and strip steel is connected between the steel lattice hanging plate columns;
2.2 Building steel lattice columns in the site surrounded by the enclosing wall steel skeleton, wherein the bottom ends of the steel lattice columns are fixed on the internal pile foundation, and strip steel is connected between the steel lattice columns;
2.3 Building a building cover steel skeleton with the corresponding layer number on the enclosure steel skeleton and the steel lattice upright post according to the designed layer number of the low-layer assembled steel concrete structure building; the building cover steel skeleton comprises a plurality of steel bar truss cross beams and steel bar truss longitudinal beams, and the steel bar truss cross beams and the steel bar truss longitudinal beams are fixedly connected with the enclosing wall steel skeleton or/and the steel lattice upright post;
(3) Pouring construction:
3.1 Pouring the enclosing wall: removing strip steel between steel lattice hanging plate columns, paving an inner cladding layer on the inner side of the enclosing wall steel skeleton, hanging wall boards on the outer side of the enclosing wall steel skeleton to form an outer cladding layer, pouring slurry in a cavity between the inner cladding layer and the outer cladding layer when the outer cladding layer is assembled to a proper height, and continuing construction according to the mode after the poured slurry is condensed so as to gradually increase the height of the enclosing wall;
3.2 Pouring a steel lattice net column: removing strip steel between steel lattice columns, coating a dense-pore steel wire mesh layer on the outer surfaces of the steel lattice columns, pouring slurry into the steel lattice columns to a proper height, and continuing to construct according to the mode after the poured slurry is coagulated so as to gradually increase the height of the slurry filled in the steel lattice columns;
3.3 Pouring the hollow floor system: after the enclosure of the first floor is poured, paving a lower layer of reinforcing steel bar net at the bottom of a floor steel skeleton at the top of the first floor, paving a hollow mould box layer on the lower layer of reinforcing steel bar net, paving an upper layer of reinforcing steel bar net at the top of the hollow mould box layer, correspondingly fixing the reinforcing steel bars of the lower layer of reinforcing steel bar net and the upper layer of reinforcing steel bar net on the enclosure steel skeleton and the floor steel skeleton, and pouring slurry between the lower layer of reinforcing steel bar net and the upper layer of reinforcing steel bar net to form the floor of the first floor;
gradually pouring the construction from bottom to top according to the steps 3.1) to 3.3) until pouring of all floors of the low-rise fabricated steel concrete structure building is completed.
The beneficial technical effects of the invention are as follows:
1. the low-rise assembled steel concrete structure building provided by the invention adopts the grouting wall as an outer wall, the outer covering layer of the grouting wall is formed by hanging and assembling wallboards, the construction speed is high, the production efficiency is high, and the construction cost is reduced.
2. The wallboard hung outside the grouting wall is provided with strip-shaped bulges, and the wallboard and the poured slurry are tightly combined into a whole, so that the structure of the grouting wall is more stable, and the grouting wall is high in strength, good in wall body overall performance, sound-insulating and noise-reducing.
3. The construction waste is less, and in the construction process, the steel structure is firstly constructed, then the wallboard is hung, the inner covering layer is paved, then the slurry is poured between the outer covering layer and the inner covering layer, and the floor is poured, so that the construction of the wall body and the floor is finished at one time, no scattered construction waste is generated, and the ecological environment is protected.
4. The components of the steel bar truss girder of the low-rise assembled steel concrete structure building can be manufactured in a factory and installed on site, so that the construction period is greatly reduced.
Drawings
FIG. 1 is a schematic perspective view of a low-rise fabricated steel concrete structure building according to an embodiment of the present invention;
FIG. 2 is a schematic perspective view of a steel skeleton of a wall of a low-rise fabricated steel-concrete structure building according to an embodiment of the present invention;
FIG. 3 is a schematic perspective view of the steel lattice batten post of FIG. 2;
FIG. 4 is a schematic perspective view of the steel frame of FIG. 2;
FIG. 5 is a schematic perspective view of the wall panel of FIG. 1;
FIG. 6 is a schematic perspective view of a steel skeleton of a floor system of a low-rise fabricated steel-concrete structure building according to an embodiment of the present invention;
FIG. 7 is a schematic perspective view of the node angle of FIG. 6;
FIG. 8 is a schematic illustration of the junction of the cross beam and longitudinal beam of the steel bar truss of FIG. 6;
FIG. 9 is a schematic illustration of the positional relationship between a lower reinforcing mesh and a mesh hollow mold box layer in a floor system of a low-rise fabricated steel concrete structure building according to an embodiment of the present invention;
FIG. 10 is a schematic perspective view of a row of steel skeleton walls with wall panels suspended in a low-rise fabricated steel concrete structure building according to an embodiment of the invention;
FIG. 11 is a schematic perspective view of the slurry poured into the steel skeleton of a row of enclosures with wall panels hanging in FIG. 10;
FIG. 12 is a schematic perspective view of a steel skeleton of a fence with steel lattice columns inside a low-rise fabricated steel concrete structure building according to an embodiment of the present invention;
FIG. 13 is a schematic perspective view of the steel lattice column of FIG. 12;
FIG. 14 is a front view of a steel lattice mesh column within a low-rise fabricated steel concrete structure building in accordance with one embodiment of the present invention;
FIG. 15 is a schematic perspective view of a low-rise fabricated steel concrete structure building according to an embodiment of the present invention;
FIG. 16 is a schematic perspective view of a steel structure of a low-rise fabricated steel concrete structure building according to an embodiment of the present invention;
FIG. 17 is a schematic view of the connection of the lower ends of the steel lattice batten posts of FIG. 16 to pile foundations on the ground;
FIG. 18 is a schematic illustration of the junction between a steel bar truss cross beam and a steel bar truss longitudinal beam in a low-rise fabricated steel concrete structure building according to an embodiment of the present invention;
FIG. 19 is a schematic perspective view of the connector of FIG. 18;
FIG. 20 is a schematic perspective view of a steel structure of a low-rise fabricated steel concrete structure building according to an embodiment of the present invention;
FIG. 21 is a schematic view of the connection of the left and right steel truss diagonal beams of FIG. 20;
FIG. 22 is a flow chart of a method of constructing a low-rise fabricated steel concrete structure building in accordance with an embodiment of the present invention;
FIG. 23 is a flow chart showing the basic steps of constructing a low-rise fabricated steel concrete structure building in accordance with one embodiment of the present invention;
FIG. 24 is a flow chart showing the steps of constructing a steel structure in a method of constructing a low-rise fabricated steel concrete structure building according to an embodiment of the present invention;
fig. 25 is a flowchart showing the casting construction steps in the construction method of the low-rise fabricated steel concrete structure building according to an embodiment of the present invention.
In the drawings, each reference numeral is intended to: grouting enclosure 10, door 101, wallboard 102, strip boss 1021, hanging groove 1022, magnesium panel 103, steel lattice hanging plate column 11, left column 111, right column 112, connecting rod 113, hanging plate 114, screw hole 115, steel frame 12, side steel 121, connecting plate 122, screw hole 1221, floor 20, steel truss beam 21, two rows of steel truss stringers 22, node angle 23, lower layer steel mesh 24, hollow box 25, connector 26, screw hole 261, bolt 262, left steel truss diagonal 27, right steel truss diagonal 28, front steel truss diagonal 29, steel lattice column 30, angle 301, connecting rod 302, closed-cell steel mesh 303, lattice steel mesh column 31, first layer house 41, second layer house 42, third layer house 43, third layer house floor 431, left steel truss diagonal 432, right steel truss diagonal 433, steel truss beam 434, steel lattice hanging plate column 44, steel lattice column 45, pile 46, connector 461.
Detailed Description
The following examples are given to illustrate the invention in detail, but are not intended to limit the scope of the invention in any way.
In the description of the present invention, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Example 1:
please refer to fig. 1 to 9 together for a low-rise fabricated steel concrete structure building.
As shown in fig. 1, the low-rise fabricated steel concrete structure building comprises a grouting enclosing wall 10 and a building cover 20 borne on the top of the grouting enclosing wall 10, wherein a door 101 is reserved on the grouting enclosing wall 10. The inside of grout enclosure 10 is the enclosure steel skeleton, hangs in the outside of enclosure steel skeleton and establishes a plurality of prefabricated wallboards 102 and form the outer covering layer, lays glass magnesium flat board as interior covering layer in the inboard of enclosure steel skeleton, then pours the ground paste between interior covering layer and the outer covering layer and forms grout enclosure 10. The building cover 20 is a hollow building cover, and comprises a building cover steel skeleton, wherein a formwork is required in the building cover 20 process, after the formwork is erected, a reinforcing steel mesh is paved on the building cover steel skeleton, a hollow formwork box is bound, and then slurry is poured to form the building cover 20.
Specifically, as shown in fig. 2, the enclosure steel skeleton of the grouting enclosure 10 includes four rows of steel lattice batten columns 11, the steel lattice batten columns 11 are arranged to be square enclosure steel skeletons as a whole, the enclosure steel skeleton is used as a supporting structure inside the wall body of the grouting enclosure 10, and the reserved space of the steel lattice batten columns 11 in the front row is used as a door 101. Two groups of steel frames 12 are arranged at the top of each row of steel lattice hanging plate columns 11, the steel frames 12 connect the tops of the steel lattice hanging plate columns 11 of the row, and the steel frames 12 at the tops of the four rows of steel lattice hanging plate columns 11 are connected end to form a square, so that the steel skeleton of the enclosing wall is connected into a whole. The low-rise assembled steel concrete structure building provided by the embodiment of the invention is used as a single-layer house, so that the enclosure steel skeleton is supported on the ground.
As shown in fig. 3, the lattice suspending board column 11 includes a left column 111 and a right column 112, a plurality of connecting rods 113 are arranged between the left column 111 and the right column 112 from top to bottom at intervals on the front and back sides, and two ends of each connecting rod 113 are welded or screwed on the left column 111 and the right column 112. The left upright 111 and the right upright 112 are channel steel, the notches of the left upright 111 and the right upright 112 are arranged in opposite directions, a plurality of hanging plates 114 are formed by punching and bending outwards at the bottom surface of the left upright 111, the hanging plates 114 incline upwards obliquely, and screw holes 115 are formed at the bottom surface of the right upright 112 and are used for connecting glass magnesium plates.
As shown in fig. 4, the steel frame 12 includes upper and lower side steel bars 121, a plurality of connecting plates 122 are fixedly arranged between the side steel bars 121, screw holes 1221 are arranged on the connecting plates 122, screw holes are correspondingly arranged at the upper ends of the left upright column 111 and the right upright column 112 of the steel lattice hanging plate column 11, and the steel frame 12 is connected to the upper end of the steel lattice hanging plate column 11 through the connecting plates 122. The ends of the side steel bars 121 of the steel frame 12 are welded or bound by steel wires with the ends of the side steel bars 121 in the steel frame 12 at the top of the adjacent row steel lattice batten column 11.
As shown in fig. 5, the front and back surfaces of the wall board 102 are respectively a decoration surface and an assembly surface, the decoration surface of the wall board 102 is a decoration surface which is already manufactured in the prefabrication process, for example, the decoration surface of the wall board 102 can be provided with paint, metal skin, patterns or glaze, etc., therefore, the surfaces of the inner cladding layer and the outer cladding layer which are formed by the wall board 102 on two sides of the steel skeleton of the enclosure wall are decoration surfaces, and secondary decoration construction such as tile pasting, paint scraping, etc. is not needed.
A transverse strip-shaped protrusion 1021 is arranged in the middle of the assembly surface of the wallboard 102, a hanging groove 1022 is arranged on the back surface of the strip-shaped protrusion, the hanging groove 1022 extends upwards in the strip-shaped protrusion 1021 in an inclined mode, the inclination angle of the hanging groove 1022 is consistent with the inclination angle of the hanging plate 114 on the lattice hanging plate column 11, and the hanging groove 1022 can be inserted into the hanging plate 114 to hang the wallboard 102 on two adjacent lattice hanging plate columns 11.
Further, the wallboard 102 is a clear water concrete slab, and the surface of the outer covering layer formed by splicing the clear water concrete slabs is used as an outer wall surface, so that the wallboard has stronger wind, rain and sun resistance.
In addition, in other embodiments, a tongue-and-groove may be provided at the side edges of the wall panels, so that adjacent wall panels are engaged with each other through the tongue-and-groove, and the inner facing layer and the outer facing layer are integrated, so as to prevent slurry leakage during slurry pouring between the inner facing layer and the outer facing layer.
As shown in fig. 6, in this embodiment, the steel skeleton of the building roof is a horizontal structure, which includes three rows of steel bar truss beams 21 and two rows of steel bar truss stringers 22, where the intersections of the steel bar truss beams 21 and the steel bar truss stringers 22 are connected by connecting members, and the connecting members are node angle yards 23. The steel bar truss cross beam 21 and the steel bar truss longitudinal beam 22 are both composed of two groups of steel frames 12 in fig. 4, the end parts of the steel frames 12 constituting the steel bar truss cross beam 21 are bound at the upper ends of the lattice batten posts 11 in the front row and the rear row, and the end parts of the steel frames 12 constituting the steel bar truss longitudinal beam 22 are bound or screwed at the upper ends of the lattice batten posts 11 in the left row and the right row through bolts. As shown in fig. 7, the joint angle 23 is a square hollow column, and screw holes for screwing the connection plates 122 on the steel frame 12 are respectively provided on four outer circumferential surfaces of the hollow column, and as shown in fig. 8, at the intersection of the steel bar truss cross beam 21 and the steel bar truss longitudinal beam 22, the connection plates 122 on the steel frame 12 constituting the steel bar truss cross beam 21 are screwed on the upper and lower surfaces of the joint angle 23, and the connection plates 122 on the steel frame 12 constituting the steel bar truss longitudinal beam 22 are screwed on the front and rear surfaces of the joint angle 23.
As shown in fig. 9, when the floor 20 is constructed, after the form is erected, a lower layer of reinforcing steel mesh 24 is laid on the lower side of a grid formed by crossing the reinforcing steel truss beams 21 and the reinforcing steel truss stringers 22 of the floor steel framework, or the lower layer of reinforcing steel mesh 24 is laid first and then the floor steel framework is installed, then a hollow mold box 25 is laid on the lower layer of reinforcing steel mesh 24 to form a hollow mold box layer, gaps are reserved between adjacent hollow mold boxes 25, then an upper layer of reinforcing steel mesh is laid above the hollow mold box layer, and the end parts of the reinforcing steel bars of the lower layer of reinforcing steel mesh 24 and the upper layer of reinforcing steel mesh are correspondingly fixed on the top of the enclosure steel framework or the floor steel framework. Concrete is then poured, which encloses the upper mesh reinforcement, hollow form 25 and lower mesh reinforcement 24.
In other embodiments, the steel skeleton of the building cover may also be a slope structure, a herringbone structure or a four-slope structure, where the four-slope structure refers to that the middle of the building cover is a plane, each side of the plane is respectively provided with a slope, and the plane and the four slopes together form the steel skeleton of the building cover. For the floor steel skeleton of the horizontal structure, coamings are required to be arranged on the periphery of the floor steel skeleton respectively in the formwork supporting process, so that poured concrete is prevented from leaking from the side edges. For the building cover steel skeleton of the inclined plane structure, in the formwork supporting process, baffles are required to be arranged on two sides, and cornice is arranged on the lower edge of the inclined plane structure, so that poured concrete is prevented from leaking from two side edges or the lower edge. For the superstructure steel skeleton of four domatic structures, above-mentioned formwork in-process, need set up the eaves board at the lower border of each domatic, prevent that concreting from revealing from the lower border of eaves board.
In addition, the cement pressure plate or the steel plate can be paved to replace the upper template, and the paved cement pressure plate or the steel plate can be directly used as a part of the floor without being detached in the later period.
Example 2:
referring to fig. 1, 10 and 11, a low-rise fabricated steel concrete structure building is shown.
Fig. 10 shows the inner structure of the wall body on the left side of the grouting wall 10 of the low-rise fabricated steel concrete structure building in fig. 1, which is different from embodiment 1 in that, for each row of steel lattice batten columns 11 of the wall steel skeleton, every two steel lattice batten columns 11 on the inner side are arranged close to each other, so that the wall board 102 can be conveniently hung, and one steel lattice batten column 11 can be arranged at two ends. When slurry is poured into a cavity between an inner cladding layer and an outer wall plate formed by the glass magnesium flat plate 103, the front side and the rear side of the cavity are blocked by templates, and the poured slurry is vibrated with small force by a small vibration pump. Fig. 11 shows the overall structure of the wall body on the left side of the grouting enclosing wall 10 of the low-rise fabricated steel concrete structure building in fig. 1, after the poured slurry is solidified, the strip-shaped protrusions on the rear part of the wallboard 102 are embedded into the solidified slurry, so that the structure of the wall body is stable.
Example 3:
referring to fig. 12, 13 and 14, a low-rise fabricated steel concrete structure building is shown.
For houses with large areas, the steel skeleton of the enclosing wall is insufficient to support the floor, so in the implementation, a plurality of steel lattice net columns are arranged in the house space inside the grouting enclosing wall and the floor, and the steel lattice net columns are also used as supports of the floor.
As shown in fig. 12, the difference between this embodiment and embodiment 1 is that, a steel lattice column 30 is disposed inside a site surrounded by a steel framework of a fence, as shown in fig. 13, the steel lattice column 30 includes four angle steels 301 surrounding into square columns, a plurality of connecting rods 302 are disposed between adjacent angle steels 301, and slurry is poured into the steel lattice column 30 to form a lattice steel mesh column 31 shown in fig. 14, and when slurry is poured, a dense-pore steel mesh layer 303 is covered outside the steel lattice column 30, and the mesh size of the dense-pore steel mesh layer 303 is enough to ensure that slurry cannot leak, and then the slurry is poured into the steel lattice column to form a pouring column, and the middle part of the steel framework of the building is correspondingly fixed at the top of the steel lattice mesh column, and the lattice steel mesh column 31 integrates a steel structure and a concrete structure, thereby having a strong supporting capability.
Example 4:
referring to fig. 15, 16 and 17, a low-rise fabricated steel concrete structure building is shown.
As shown in fig. 15, the low-rise fabricated steel concrete structure building provided by the embodiment of the invention comprises three layers of houses, the roof is a herringbone roof formed by slopes on the left side and the right side, and the first-rise house 41 and the second-rise house 42 of the low-rise fabricated steel concrete structure building are the low-rise fabricated steel concrete structure building structures in the embodiment 3.
The third-layer house 43 is different from embodiment 3 in that the third-layer house floor 431 is a herringbone roof, as shown in fig. 16, the floor steel skeleton in the third-layer house floor 431 corresponds to a herringbone structure, the left side of the third-layer house floor includes a plurality of left steel bar truss diagonal girders 432, the right side of the third-layer house floor includes a plurality of right steel bar truss diagonal girders 433, a plurality of steel bar truss diagonal girders 434 are respectively arranged between the left steel bar truss diagonal girders 433 and between the right steel bar truss diagonal girders 433, and node angle codes are connected at the intersections of the left steel bar truss diagonal girders 432, the right steel bar truss diagonal girders 433 and the corresponding steel bar truss diagonal girders 434. The third floor 431 is also constructed as a hollow floor.
In addition, all the steel lattice batten columns 44 and the steel lattice upright columns 45 are integrated up and down, the heights of the steel lattice batten columns 44 and the steel lattice upright columns 45 reach the height of the three-layer house, and the lower part, the middle part and the upper part of the steel lattice batten columns 44 are respectively used as a part of the enclosure steel frameworks of the first-layer house 41, the second-layer house 42 and the third-layer house 43. The lower, middle and upper portions of the steel lattice columns 45 support floors of the first, second and third floors of houses 41, 42 and 43, respectively.
The foundation is built on the ground where the low-rise assembled steel concrete structure building is located, the foundation comprises pile foundations for supporting the steel lattice hanging plate columns 44 and the steel lattice upright columns 45 correspondingly, the pile foundations of the lattice hanging plate columns 44 are used as examples, as shown in fig. 17, pile foundations 46 are formed by pouring concrete, connecting pieces 461 are arranged on the upper surfaces of the pile foundations 46, vertical bolts for fixing the connecting pieces 461 are embedded in the pile foundations 46, and the bottom ends of the lattice hanging plate columns 44 are fixed on the connecting pieces 461 through transverse bolts.
Example 5:
a low-rise fabricated steel concrete structure building, please refer to fig. 18 and 19.
The difference between this embodiment and embodiment 1 is that in this embodiment, as shown in fig. 18, the intersection of the steel bar truss beam 21 and the steel bar truss stringer 22 is connected by a connecting piece 26, the connecting piece 26 is similar to a U-shaped bolt, as shown in fig. 19, screw holes 261 are provided at the tops of the columns on both sides of the connecting piece 26, the connecting piece 26 includes the steel bar truss beam 21 and the steel bar truss stringer 22 which intersect each other from bottom to top in the oblique side direction, and then bolts 262 are inserted into the screw holes 261 and nuts are screwed to connect the steel bar truss beam 21 and the steel bar truss stringer 22 together. The connection mode is relatively simple and can accelerate the construction speed.
Example 6:
referring to fig. 3, 4, 13, 18, 19 and 20, a low-rise fabricated steel concrete structure building is shown.
As shown in fig. 20, in this embodiment, a two-story building is partially built on top of a one-story building, and for clarity of illustration, only the steel structure on the surface and two steel lattice columns 30 inside the building are shown in fig. 20, and the steel lattice batten columns 11 in fig. 3, the steel frame 12 in fig. 4, the steel lattice columns 30 in fig. 13, and the steel truss cross members 21 and the steel truss longitudinal members 22 in fig. 18 are represented by lines.
The roof surface of the one-storey building is of a planar structure, the roof surface of the one-storey building comprises a plurality of steel bar truss cross beams 21 and a plurality of steel bar truss longitudinal beams 22, and intersections of the steel bar truss cross beams 21 and the steel bar truss longitudinal beams 22 are connected through connecting pieces 26 in fig. 19.
The second floor of the house occupies half of the top surface of the first floor of the house, in this embodiment, the top surface of the second floor of the house is of a four-slope structure, the slope floor steel skeleton on the left side comprises a plurality of left steel bar truss diagonal beams 27, a plurality of steel bar truss cross beams 21 are arranged between the left steel bar truss diagonal beams 27, and the intersections of the left steel bar truss diagonal beams 27 and the steel bar truss cross beams 21 are connected through connecting pieces 26 in fig. 19; the slope surface on the right side comprises a plurality of right steel bar truss diagonal beams 28, a plurality of steel bar truss cross beams 21 are arranged between the right steel bar truss diagonal beams 28, and the intersections of the right steel bar truss diagonal beams 28 and the steel bar truss cross beams 21 are connected through connecting pieces 26 in fig. 19; the slope surface of the front side comprises a plurality of front steel bar truss inclined beams 29, steel bar truss longitudinal beams 22 are arranged between the front steel bar truss inclined beams 29, and the front steel bar truss inclined beams 29 are connected with the steel bar truss longitudinal beams 22 through connecting pieces 26 in fig. 19; likewise, the rear sloping surface includes a plurality of rear steel bar truss diagonal beams, between which steel bar truss stringers are provided, the rear steel bar truss diagonal beams and the steel bar truss stringers being connected by the connectors in fig. 19.
In this embodiment, the left and right steel bar truss diagonal beams 27, 28, the front and rear steel bar truss diagonal beams 29, 22 have the same structure as the steel bar truss cross beam 21 and the steel bar truss longitudinal beam 22, but are arranged in different directions.
As shown in fig. 21, the upper ends of the left and right steel bar truss diagonal beams 27 and 28 are connected to the same joint corner brace 23, and the lower ends of the left and right steel bar truss diagonal beams 27 and 28 are bound or welded to the steel frame 12 at the top of the steel lattice batten column 11.
Example 7:
a construction method of a low-rise assembled steel concrete structure building, please refer to fig. 22 to 25.
The construction method of the low-rise assembled steel concrete structure building provided by the embodiment of the invention comprises the following steps:
s100, building a foundation:
s101, constructing a wall foundation on the ground according to a designed surrounding route of a wall of a low-rise assembled steel concrete structure building, wherein the wall foundation comprises a plurality of side pile foundations, and foundation bolts are correspondingly arranged on the side pile foundations;
s102, constructing a plurality of internal pile foundations in a site surrounded by a fence foundation, wherein foundation bolts are arranged on the internal pile foundations;
s200, building a steel structure:
s201, building a wall steel skeleton with a corresponding height on the basis according to the designed layer number and height of the low-rise assembled steel concrete structure building, wherein the wall steel skeleton comprises a plurality of steel lattice hanging plate columns which are arranged at intervals, the bottom ends of the steel lattice hanging plate columns are correspondingly fixed on a side pile foundation, and strip steel is connected between the steel lattice hanging plate columns;
s202, building steel lattice columns in a site surrounded by a steel skeleton of the enclosing wall, wherein the bottom ends of the steel lattice columns are fixed on an internal pile foundation, and strip steel is connected between the steel lattice columns;
s203, building a building cover steel skeleton with the corresponding layer number on the enclosure steel skeleton and the steel lattice upright post according to the designed layer number of the low-layer assembled steel concrete structure building;
in the step, if the roof is a planar floor, the floor steel skeleton is of a horizontal structure and comprises a plurality of steel bar truss cross beams and steel bar truss longitudinal beams, and the intersections of the steel bar truss cross beams and the steel bar truss longitudinal beams are connected through connecting pieces; if the roof is an inclined floor, the steel skeleton of the floor is an inclined structure and comprises a plurality of steel bar truss inclined beams, a plurality of steel bar truss longitudinal beams are arranged between the steel bar truss inclined beams, and the intersections of the steel bar truss inclined beams and the corresponding steel bar truss longitudinal beams are connected through connecting pieces; if the roof is a herringbone floor, the steel skeleton of the floor is of a herringbone structure, the left side of the steel skeleton comprises a plurality of left steel bar truss oblique beams, the right side of the steel skeleton comprises a plurality of right steel bar truss oblique beams, and the left steel bar truss oblique beams and the right steel bar truss oblique beams are connected through joint angle codes; a plurality of steel bar truss longitudinal beams are respectively arranged between the left steel bar truss oblique beams and between the right steel bar truss oblique beams, and the intersections of the left steel bar truss oblique beams, the right steel bar truss oblique beams and the corresponding steel bar truss longitudinal beams are connected through connecting pieces.
S300, pouring construction:
s301, pouring an enclosing wall: removing strip steel between steel lattice hanging plate columns, paving an inner cladding layer on the inner side of a steel framework of the enclosing wall, hanging wall boards on the outer side of the steel framework of the enclosing wall to form an outer cladding layer, pouring slurry in a cavity between the inner cladding layer and the outer cladding layer when the outer cladding layer is assembled to a proper height, and continuing to construct according to the mode after the poured slurry is coagulated so as to gradually increase the height of the enclosing wall;
the inner cladding layer in the step is formed by paving a glass magnesium flat plate, a silicon calcium plate, a fiber cement plate, a gypsum plate or a dense-pore steel wire mesh; the wallboard is a clear water concrete slab.
S302, pouring a steel lattice net column: removing strip steel between the steel lattice columns, coating a dense-pore steel wire mesh layer on the outer surfaces of the steel lattice columns, pouring slurry in the steel lattice columns to a proper height, and continuing to construct according to the mode after the poured slurry is coagulated so as to gradually increase the height of the slurry filled in the steel lattice columns;
s303, pouring a hollow floor system: after the enclosure of the first floor is poured, paving a lower layer of reinforcing steel bar net at the bottom of a floor steel skeleton at the top of the first floor, paving a hollow mould box layer on the lower layer of reinforcing steel bar net, paving an upper layer of reinforcing steel bar net at the top of the hollow mould box layer, correspondingly fixing the reinforcing steel bars of the lower layer of reinforcing steel bar net and the upper layer of reinforcing steel bar net on the enclosure steel skeleton and the floor steel skeleton, and pouring slurry between the lower layer of reinforcing steel bar net and the upper layer of reinforcing steel bar net to form the floor of the first floor;
and step S301 to step S303 are performed to gradually pour and construct from bottom to top until pouring of all floors of the low-rise fabricated steel concrete structure building is completed.
While the present invention has been described in detail with reference to the drawings and the embodiments, those skilled in the art will understand that various specific parameters in the above embodiments may be changed without departing from the spirit of the invention, and a plurality of specific embodiments are common variation ranges of the present invention, and will not be described in detail herein.
Claims (5)
1. The construction method of the low-rise assembled steel concrete structure building is characterized by comprising the following steps:
(1) Building a foundation:
1.1 Building a wall foundation on the ground according to a designed surrounding route of the wall of the low-rise assembled steel concrete structure building, wherein the wall foundation comprises a plurality of side pile foundations, and foundation bolts are correspondingly arranged on the side pile foundations;
1.2 Building a plurality of internal pile foundations in a site surrounded by the enclosing wall foundation, wherein foundation bolts are arranged on the internal pile foundations;
(2) Building a steel structure:
2.1 According to the designed layer number and height of the low-rise assembled steel concrete structure building, building a wall steel skeleton with corresponding height on the foundation, wherein the wall steel skeleton comprises a plurality of steel lattice hanging plate columns which are arranged at intervals, the bottom ends of the steel lattice hanging plate columns are correspondingly fixed on the side pile foundations, and strip steel is connected between the steel lattice hanging plate columns;
2.2 Building steel lattice columns in the site surrounded by the enclosing wall steel skeleton, wherein the bottom ends of the steel lattice columns are fixed on the internal pile foundation, and strip steel is connected between the steel lattice columns;
2.3 Building a building cover steel skeleton with the corresponding layer number on the enclosure steel skeleton and the steel lattice upright post according to the designed layer number of the low-layer assembled steel concrete structure building;
(3) Pouring construction:
3.1 Pouring the enclosing wall: removing strip steel between steel lattice hanging plate columns, paving an inner cladding layer on the inner side of the enclosing wall steel skeleton, hanging wall boards on the outer side of the enclosing wall steel skeleton to form an outer cladding layer, pouring slurry in a cavity between the inner cladding layer and the outer cladding layer when the outer cladding layer is assembled to a proper height, and continuing construction according to the mode after the poured slurry is condensed so as to gradually increase the height of the enclosing wall;
3.2 Pouring a steel lattice net column: removing strip steel between steel lattice columns, coating a dense-pore steel wire mesh layer on the outer surfaces of the steel lattice columns, pouring slurry into the steel lattice columns to a proper height, and continuing to construct according to the mode after the poured slurry is coagulated so as to gradually increase the height of the slurry filled in the steel lattice columns;
3.3 Pouring the hollow floor system: after the enclosure of the first floor is poured, paving a lower layer of reinforcing steel bar net at the bottom of a floor steel skeleton at the top of the first floor, paving a hollow mould box layer on the lower layer of reinforcing steel bar net, paving an upper layer of reinforcing steel bar net at the top of the hollow mould box layer, correspondingly fixing the reinforcing steel bars of the lower layer of reinforcing steel bar net and the upper layer of reinforcing steel bar net on the enclosure steel skeleton and the floor steel skeleton, and pouring slurry between the lower layer of reinforcing steel bar net and the upper layer of reinforcing steel bar net to form the floor of the first floor;
gradually pouring from bottom to top according to the steps 3.1) to 3.3) until pouring of all floors of the low-rise fabricated steel concrete structure building is completed;
the low-rise assembled steel concrete structure building comprises a building foundation and a building built on the building foundation, wherein the building comprises at least one layer of house,
the house comprises a grouting enclosing wall and a floor supported on the top of the grouting enclosing wall, wherein the grouting enclosing wall comprises an enclosing wall steel skeleton, an outer covering layer arranged on the outer side of the enclosing wall steel skeleton, an inner covering layer arranged on the inner side of the enclosing wall steel skeleton, and a pouring layer formed by pouring slurry between the outer covering layer and the inner covering layer in a condensing mode;
the outer covering layer is formed by assembling a plurality of wallboards hung on the steel skeleton of the enclosing wall, and hanging points are arranged on the back surface of the wallboards;
the steel skeleton of the enclosing wall comprises a plurality of steel lattice hanging plate columns which are arranged at intervals, and hanging pieces corresponding to hanging points on the wall plate are arranged on the outer sides of the steel lattice hanging plate columns;
the building cover is a hollow building cover and comprises a building cover steel skeleton, a hollow die box layer paved in the building cover steel skeleton and a pouring body which is filled with slurry and is formed by condensing the building cover steel skeleton, wherein the edge of the building cover steel skeleton is correspondingly fixed at the top of the enclosure steel skeleton;
the floor steel skeleton is of a horizontal structure and comprises a plurality of steel bar truss cross beams and steel bar truss longitudinal beams, and the intersections of the steel bar truss cross beams and the steel bar truss longitudinal beams are connected through connecting pieces; or alternatively
The building cover steel skeleton is of an inclined plane structure and comprises a plurality of steel bar truss inclined beams, a plurality of steel bar truss longitudinal beams are arranged between the steel bar truss inclined beams, and the intersections of the steel bar truss inclined beams and the corresponding steel bar truss longitudinal beams are connected through connecting pieces; or alternatively
The steel skeleton of the floor system is of a herringbone structure, the left side of the steel skeleton comprises a plurality of left steel bar truss oblique beams, the right side of the steel skeleton comprises a plurality of right steel bar truss oblique beams, and the left steel bar truss oblique beams and the right steel bar truss oblique beams are connected through joint angle codes; a plurality of steel bar truss stringers are respectively arranged between the left steel bar truss oblique beams and between the right steel bar truss oblique beams, and the intersections of the left steel bar truss oblique beams, the right steel bar truss oblique beams and the corresponding steel bar truss longitudinal beams are connected through connecting pieces;
an upper layer of reinforcing steel bar mesh and a lower layer of reinforcing steel bar mesh are respectively and fixedly arranged on the upper side and the lower side of the floor steel skeleton, the hollow mould box layer is arranged between the upper layer of reinforcing steel bar mesh and the lower layer of reinforcing steel bar mesh, and the end parts of the reinforcing steel bars of the lower layer of reinforcing steel bar mesh and the upper layer of reinforcing steel bar mesh are correspondingly fixed on the top of the enclosure steel skeleton or the floor steel skeleton;
the steel bar truss cross beam, the steel bar truss longitudinal beam, the steel bar truss oblique beam, the left steel bar truss oblique beam and the right steel bar truss oblique beam comprise two groups of steel frames, each steel frame comprises an upper side steel bar and a lower side steel bar, and a plurality of connecting plates are fixedly arranged between the side steel bars.
2. The construction method of the low-rise assembled steel concrete structure building according to claim 1, wherein a plurality of steel lattice net columns are arranged in the house space inside the grouting enclosing wall and the building cover, and comprise steel lattice columns, dense-hole steel wire net layers coated on the outer surfaces of the steel lattice columns, and pouring columns formed by condensing pouring slurry in the steel lattice columns;
the middle part of the floor steel skeleton is correspondingly fixed at the top of the steel lattice net column.
3. The construction method of the low-rise assembled steel concrete structure building according to claim 1, wherein the lattice hanging plate column comprises a left upright column and a right upright column, the left upright column and the right upright column are channel steel, the notch of the left upright column and the notch of the right upright column are arranged in opposite directions, the hanging piece is a hanging plate formed by punching and bending outwards at the bottom of the left upright column or the bottom of the right upright column, and the hanging plate is inclined upwards obliquely;
and a plurality of connecting rods are arranged between the left upright post and the right upright post.
4. The construction method of the low-rise assembled steel concrete structure building according to claim 1, wherein the front side and the back side of the wallboard are respectively a decorative surface and an assembling surface, a transverse strip-shaped bulge is arranged in the middle of the assembling surface, the hanging point is a hanging groove formed in the back side of the strip-shaped bulge, and the hanging groove extends obliquely upwards in the strip-shaped bulge.
5. The construction method of the low-rise fabricated steel concrete structure building according to claim 1, wherein the inner cladding layer is formed by laying a glass magnesium flat plate, a silicon calcium plate, a fiber cement plate, a gypsum plate or a dense-pore steel wire mesh; the wallboard is a clear water concrete slab.
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