CN111021544A - Large-span variable-space assembly type building and construction method thereof - Google Patents
Large-span variable-space assembly type building and construction method thereof Download PDFInfo
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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
- E04B1/343—Structures characterised by movable, separable, or collapsible parts, e.g. for transport
- E04B1/34315—Structures characterised by movable, separable, or collapsible parts, e.g. for transport characterised by separable parts
- E04B1/34321—Structures characterised by movable, separable, or collapsible parts, e.g. for transport characterised by separable parts mainly constituted by panels
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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
- E04B1/20—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of concrete, e.g. reinforced concrete, or other stonelike material
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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
- E04B1/20—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of concrete, e.g. reinforced concrete, or other stonelike material
- E04B1/21—Connections specially adapted therefor
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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
- E04B1/343—Structures characterised by movable, separable, or collapsible parts, e.g. for transport
- E04B1/34315—Structures characterised by movable, separable, or collapsible parts, e.g. for transport characterised by separable parts
- E04B1/34326—Structures characterised by movable, separable, or collapsible parts, e.g. for transport characterised by separable parts mainly constituted by longitudinal 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
- 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
- E04B5/17—Floor structures partly formed in situ
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Abstract
The invention discloses a large-span variable-space fabricated building which comprises a column, a beam, a floor slab, a parapet, a peripheral retaining wall and an inner partition wall, wherein the column is fixed on a foundation, the beam is fixed on a bracket of the column, the floor slab is fixed on the beam, the parapet is fixed on the column, the peripheral retaining wall is fixed on the beam, the inner partition wall is fixed on the floor slab, and a superposed roof layer is formed by pouring on the floor slab surface. Correspondingly, the invention also discloses a method for constructing the large-span variable-space assembly type building. The invention makes up the defect that the existing low-rise assembly type building system is few, and has the characteristics of high assembly construction efficiency, few component types, high production efficiency, changeable functional space in the building, small occupied use space of the shear wall and the like.
Description
Technical Field
The invention belongs to the field of assembly type buildings, and particularly relates to a large-span variable-space assembly type building and a construction method thereof.
Background
The building industrialization is the inevitable direction of sustainable development of the building industry in China, and is an important way for improving the labor productivity, improving the engineering quality and the technical progress and realizing transformation and upgrading of the building industry. The method has the advantages of greatly reducing labor, shortening construction period, improving operating conditions of workers, reducing labor intensity, meeting the requirement of 'four sections and one environment protection', being a necessary way for transformation development of building enterprises and building industries in China and being developed vigorously in China.
At present, domestic assembly type buildings are mostly seen in multi-storey or high-rise buildings, wet connection modes are mostly adopted, the assembly construction efficiency is not greatly improved, the types of components are various, the factory production is not facilitated, and the production efficiency is low. The assembly type building system for the low-rise building is less in research and development, after the traditional domestic low-rise building is built, the internal functional space of the building is basically invariable, the arrangement of the shear walls is dense, and a large use space is occupied.
Disclosure of Invention
The invention provides a width-variable space assembly type building and a construction method thereof, aiming at the problems that the assembly type building system for a low-rise building is few, the assembly construction efficiency is not high, the types of components are various, the production efficiency is low, the internal functional space of the building is not variable, the shear wall occupies the use space and the like.
In order to solve the technical problems, the technical scheme of the invention is as follows:
the utility model provides a large-span variable space's prefabricated building, includes post, roof beam, floor, parapet, peripheral revetment and interior partition wall, the post is fixed on the basis, the roof beam is fixed on the bracket of post, the floor is fixed on the roof beam, the parapet is fixed on the post, peripheral revetment is fixed on the roof beam, interior partition wall is fixed on the floor, pour and form coincide roofing layer on the floor face.
Preferably, the column is provided with a bracket upper stress rib, a bracket lower stress rib, a bracket pre-embedded drawknot steel plate, a bracket pre-embedded pressure-bearing steel plate and a bracket pre-embedded supporting steel plate, the bracket upper stress rib is welded with the bracket pre-embedded drawknot steel plate, and the bracket lower stress rib is welded with the bracket pre-embedded supporting steel plate; the beam is provided with an upper beam stress rib, a beam end embedded steel plate, a lower beam stress rib and a beam end embedded supporting steel plate, the upper beam stress rib is welded with the beam end embedded steel plate, and the lower beam stress rib is welded with the beam end embedded supporting steel plate; the post with during the roof beam is connected, the roof beam connects in on the pre-buried pressure-bearing steel sheet of bracket, the pre-buried drawknot steel sheet of beam-ends with the pre-buried drawknot steel sheet welded connection of bracket, the pre-buried supporting steel sheet of beam-ends with the pre-buried supporting steel sheet welded connection of bracket.
Preferably, the beams include L-shaped beams disposed at the periphery of the building and T-shaped beams disposed at the intermediate positions.
Preferably, the beam comprises a main beam and a secondary beam, the main beam is provided with an embedded anchor bolt, and the secondary beam is provided with a reserved through hole; when the main beam is connected with the secondary beam, the embedded anchor bolt is inserted into the reserved through hole, and the grouting material is filled in the reserved through hole.
Preferably, an embedded part is arranged in the beam; the floor slab is a prestressed hollow slab prefabricated in a factory, a rectangular notch is formed right above an end core hole of the prestressed hollow slab, and a slab hole plugging block is arranged at the end of the rectangular notch; when the beam is connected with the prestressed hollow slab, a first reinforcing mesh is arranged in the rectangular notch, a second reinforcing mesh is arranged in a gap between two adjacent prestressed hollow slabs, one end, close to the beam, of the first reinforcing mesh and one end, close to the beam, of the second reinforcing mesh are welded and connected with the embedded part, and fine aggregate concrete is filled in the gap between the beam and the prestressed hollow slab, the rectangular notch and the two adjacent prestressed hollow slabs.
Preferably, when the floor slab serves as a roof panel and the beam is connected with the roof panel, a third steel mesh sheet is laid on the upper surface of the prestressed hollow slab, the second steel mesh sheet and the third steel mesh sheet are connected through binding, and fine aggregate concrete is filled in the third steel mesh sheet on the upper surface of the prestressed hollow slab to form a concrete layer.
Preferably, the upper horizontal end face and the lower horizontal end face of the peripheral retaining wall are provided with tongues and grooves, and the left vertical end face and the right vertical end face of the peripheral retaining wall are provided with grooves.
Preferably, when the peripheral retaining wall is connected with the beams positioned above and below, the bottom of the beam above and the top of the beam below are provided with first embedded bolts, the upper and lower parts of the peripheral retaining wall are provided with second embedded bolts, and when the upper part of the peripheral retaining wall is connected with the bottom of the beam above, an upper connecting piece is respectively and fixedly connected with the first embedded bolts and the second embedded bolts positioned at the position; when the lower part of the peripheral retaining wall is connected with the top of the beam below, the lower connecting piece is respectively and fixedly connected with the first embedded bolt and the second embedded bolt which are positioned at the position.
Preferably, when the inner partition wall is connected with the floor slabs located above and below, the U-shaped card is fixed on the floor slab located below, the bottom surface of the U-shaped card is coated with an elastic filling material, the inner partition wall is installed in the U-shaped card, the elastic filling material is sprayed on the top of the inner partition wall, and the top of the inner partition plate is fixed on the floor slab above by the L-shaped connecting piece.
A method of constructing the aforementioned large-span variable-space fabricated building, comprising the steps of:
s1: providing columns, beams, floor slabs, peripheral retaining walls and inner partition walls required by building construction;
s2: the column is fixed on the foundation;
s3: the beam is fixed on the bracket of the column;
s4: the floor slab is fixed on the beam;
s5: the peripheral retaining wall is fixed on the beam and the inner partition wall is fixed on the floor slab;
s6: pouring is carried out on the floor surface to form a superposed roof layer.
Compared with the prior art, the invention has the following beneficial effects:
the invention adopts dry-type connection and prestressed concrete technology, combines the traditional frame structure building, provides a large-span variable space building system suitable for low-rise fabricated buildings, and perfects the defect that the fabricated building system for the low-rise building is less;
because the prestressed concrete has the characteristics of small structural section, light dead weight, large rigidity, high crack resistance, good durability, material saving and the like, the large span can be realized, the number of beam members is reduced, and the span between columns can be increased, so that the building has the characteristic of large span;
the floor can be directly hung on the beam during installation construction, the process of building a floor support is omitted, dry connection methods such as welding, bolt connection and the like are adopted during component installation, and the construction and installation efficiency is greatly improved;
the component manufacturing method provided by the invention has the advantages that the mechanization degree is high, the efficient production of the component can be realized, the component cost is obviously reduced, the energy and the material are saved, the pollution is reduced, and the like;
the invention inherits the main advantages of the traditional frame structure building: the space partition is flexible, the dead weight is light, the material is saved, the functional space in the building can be freely partitioned by adopting the inner partition wall, the thickness of the inner partition wall is much thinner than that of the traditional shear wall, and the available space in the building is more.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic diagram of an internal structure according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of an embodiment of the present invention;
FIG. 4 is a schematic structural view of a pillar corbel according to an embodiment of the present disclosure;
FIG. 5 is a schematic view of a beam end configuration according to an embodiment of the present invention;
FIG. 6 is a schematic structural view of a pre-stressed hollow core slab in accordance with an embodiment of the present invention;
FIG. 7 is a schematic view of a connection between a column and a beam according to an embodiment of the present invention;
FIG. 8 is a schematic view of the connection of the primary and secondary beams in one embodiment of the present invention;
FIG. 9 is a schematic view of a beam to floor connection according to an embodiment of the present invention;
FIG. 10 is a cross-sectional view taken along line 1-1 of FIG. 9;
FIG. 11 is a cross-sectional view taken along line 2-2 of FIG. 9;
fig. 12 is a schematic view of the connection of a girder to a roof panel according to an embodiment of the present invention;
FIG. 13 is a cross-sectional view taken along line 1-1 of FIG. 12;
FIG. 14 is a cross-sectional view taken along line 2-2 of FIG. 12;
fig. 15 is a schematic structural view of an outer enclosure wall according to an embodiment of the present invention;
FIG. 16 is a cross-sectional view taken along line 1-1 of FIG. 15;
FIG. 17 is a schematic view of the connection between the peripheral retaining wall and the beam according to an embodiment of the present invention;
FIG. 18 is a schematic view of the connection between the inner partition wall and the floor slab according to an embodiment of the present invention.
In the figure, 1-column; 2-beam; 3, a floor slab; 4-parapet wall; 5-overlapping the roof layer; 6-peripheral protecting wall; 7-inner partition wall; 11-embedding a drawknot steel plate in a bracket; 12-embedding a pressure-bearing steel plate in a bracket; 13-a bracket; 14-embedding a supporting steel plate in the bracket; 20-a main beam; 21-upper beam stressing tendons; 22-embedding a drawknot steel plate at the beam end; 23-lower beam stressing tendons; 24-embedding a supporting steel plate at the beam end; 25-reserving a through hole; 26-embedded anchor bolts; 30-prestressed hollow slab; 31-rectangular notches; 32-steel mesh; 33-reinforcing mesh; 34-an embedded part; 35-reinforcing mesh; 36-plate hole block; 37-a cavity; 38-a tuning block; 61-tongue and groove; 62-heat insulation board; 63-concrete; 64-a groove; 65-window openings; 66-door opening; 70-inner partition wall; 71-U type card; 72-shooting a nail; 73-elastomeric filling material; a 74-L shaped connector; 101-steel lath; 102-a steel lath; 200-secondary beam; 301-steel mesh; 303-reinforcing mesh; 304-rebar mesh; 305-an embedment; 307-adjusting block; 308-plate hole blocking piece; 601-embedding bolts; 602-upper connection; 603-a nut; 604-embedding bolts; 605-lower connection.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
As shown in fig. 1 to 18, the large-span variable-space fabricated building comprises a column 1, a beam 2, a floor slab 3, a parapet 4, a peripheral retaining wall 6 and an inner partition wall 7, wherein the column 1 is fixed on a foundation, the beam 2 is fixed on a bracket of the column 1, the floor slab 3 is fixed on the beam 2, the parapet 4 is fixed on the column 1, the peripheral retaining wall 6 is fixed on the beam 2, the inner partition wall 7 is fixed on the floor slab 3, and a superposed roof layer 5 is formed by pouring on the surface of the floor slab 3.
In this embodiment, the column 1 is fixed to a load bearing member in contact with the foundation, and the load of the building is transmitted to the foundation through the load bearing member. The beam 2 is erected on the corbel 13 between the column 1 and the column 1. Parapet 4 is a small enclosure on the top and is fixed to column 1. The outer wall 6 is fixed to the beam 2 as the outer periphery of the building. The inner partition wall 7 is fixed on the floor slab 3, is connected with an upper floor and a lower floor and is used for partitioning the indoor space of the building. And pouring fine stone concrete on the surface of the top floor slab 3 to form a superposed roof layer 5.
In one embodiment, as shown in fig. 4, the column 1 is a factory-prefabricated reinforced concrete multi-layer column with corbels, typically one column to the top. Be provided with bracket top atress muscle, bracket lower part atress muscle, the pre-buried drawknot steel sheet of bracket 11, the pre-buried pressure-bearing steel sheet of bracket 12 and the pre-buried supporting steel sheet of bracket 14 on the post 1, bracket top atress muscle and the pre-buried drawknot steel sheet of bracket 11 welded connection, bracket lower part atress muscle and the pre-buried supporting steel sheet of bracket 14 welded connection. As shown in fig. 5, the beam is provided with an upper beam stress rib 21, a beam end embedded steel plate 22, a lower beam stress rib 23 and a beam end embedded supporting steel plate 24, the upper beam stress rib 21 and the beam end embedded steel plate 22 are welded, and the lower beam stress rib 23 and the beam end embedded supporting steel plate 24 are welded. As shown in fig. 7, when the column 1 and the beam 2 are connected, the beam 2 is supported by the bracket pre-buried bearing steel plate 12, the beam-end pre-buried steel plate 22 is welded to the bracket pre-buried steel plate 11, and the beam-end pre-buried steel plate 24 is welded to the bracket pre-buried steel plate 14.
In one embodiment, as shown in fig. 7, the steel lath 101, the beam-end pre-buried steel plate 22 and the bracket pre-buried steel plate 11 are welded and connected, and the steel lath 102, the beam-end pre-buried support steel plate 24 and the bracket pre-buried support steel plate 14 are welded and connected. In the design, after the column 1 is fixed, the beam 2 is hung on the bracket 13 of the column 1, the steel strip plate 101, the beam end embedded tie steel plate 22 and the bracket embedded tie steel plate 11 are connected in a welding mode, and the steel strip plate 102, the beam end embedded support steel plate 24 and the bracket embedded support steel plate 14 are connected in a welding mode. The addition of the welded steel strips 101 and 102 serves a protective and stabilizing function.
In one embodiment, the beams 2 are prefabricated reinforced concrete members in factories, and the beams 2 are divided into L-shaped beams and T-shaped beams according to shape differentiation, the L-shaped beams are arranged at the periphery of a building, the T-shaped beams are arranged at the middle position, and the beam ends are provided with tongue-and-groove joints.
In one embodiment, as shown in fig. 8, the beam 2 includes a main beam 20 and a secondary beam 200 according to the connection relationship, the main beam 20 is provided with an embedded anchor 26, and the secondary beam 200 is provided with a reserved through hole 25; when the main beam 20 and the secondary beam 200 are connected, the anchor bolts 26 are inserted into the reserved through holes 25, and the reserved through holes 25 are filled with grouting material. In the design, after the main beam 20 is fixed, the secondary beam 200 is hung on the main beam 20, so that the embedded anchor bolt 25 just passes through the reserved through hole 25 of the secondary beam 200, and then grouting material is poured into the reserved through hole 25.
In one embodiment, as shown in fig. 6, the floor slab 3 is a pre-stressed hollow slab 30 prefabricated in a factory, and the pre-stressed hollow slab 30 is a foundation slab, a floor slab or a roof slab of an LVF (large span variable space) prefabricated building system. The width is fixed, and the length can be cut at will. A rectangular notch 31 is arranged above the core hole at the end head of the prestressed hollow slab 30.
As shown in fig. 9-11, the beams 2 are connected to the floor 3 (foundation slab, floor slab), and the connection of the L-beams, T-beams to the floor 3 can be made in the same manner. The embedded parts 34 are arranged in the beams 2, after the beams 2 are fixed, the prestressed hollow slab 30 is hung between the two beams 2, and the adjusting blocks 38 are arranged between the beams 2 and the prestressed hollow slab 30. The adjusting blocks 38 of different thickness degrees are used as required in order to stably erect the prestressed hollow slab 30 on the girder 2. The end of the rectangular notch 31 of the prestressed hollow slab 30 is provided with a slab hole plugging block 36; be equipped with reinforcing bar net piece 32 in the rectangle notch 31, be equipped with reinforcing bar net piece 33 in the gap between two adjacent hollow core slabs 30, reinforcing bar net piece 32 and reinforcing bar net piece 33 are close to the one end and the built-in fitting 34 welded connection of roof beam 2, it is closely knit through the vibration, make cavity 37, the gap between rectangle notch 31 and two adjacent hollow core slabs 30 of the junction of graticule concrete filled roof beam 2 and hollow core slab 30, thereby accomplish being connected of roof beam 2 and hollow core slab 30 of prestressing force.
In one embodiment, the girders 2 are connected to the floor 3 (roof panel) as shown in fig. 12-14, and the L-shaped girders, T-shaped girders are connected to the floor 3 in the same manner. The beam 2 is internally provided with embedded parts 305, after the beam 2 is fixed, the prestressed hollow slab 30 is hung between the two beams 2, and an adjusting block 307 is arranged between the beam 2 and the prestressed hollow slab 30. The slotted end of the prestressed hollow slab 30 is provided with a slab hole block 308. The reinforcing mesh piece 303 is placed in the rectangular notch 31 of the prestressed hollow slab 30, and the reinforcing mesh piece 304 is placed in the gap between the two prestressed hollow slabs 30. One ends, close to the beam 2, of the steel bar meshes 303 and the steel bar meshes 304 are connected with embedded parts 305 in the beam 2 in a welding mode, the steel bar meshes 301 are laid on the upper surface of the prestressed hollow slab 30, and the steel bar meshes 301 are connected through binding the steel bar meshes 304. And finally, pouring concrete with the thickness of 5-10cm on the upper surface of the prestressed hollow slab 30, vibrating and compacting to finish connection, and finishing roof slope finding.
In one embodiment, as shown in fig. 15-16, the peripheral retaining wall 6 is a factory-prefabricated reinforced concrete solid wall panel or a sandwich insulation wall or a sandwich insulation integrated wall panel with a decorative surface. The upper and lower horizontal end faces of the wall board are provided with grooves 61, and the left and right vertical end faces are provided with grooves 64. Window openings 65 or door openings 66 may be provided as desired. When the peripheral retaining wall 6 is a sandwich heat-insulating wall plate, a heat-insulating plate 62 is arranged in the wall body, and concrete 63 is arranged around the heat-insulating plate 62.
As shown in fig. 17, when the peripheral retaining wall 6 is connected to the beams 2 located above and below, the bottom of the beam 2 above and the top of the beam 2 below are provided with first embedded bolts 601, the upper and lower portions of the peripheral retaining wall 6 are provided with second embedded bolts 604, and when the upper portion of the peripheral retaining wall 6 is connected to the bottom of the beam 2 above, the upper connecting member 602 is fixedly connected to the first embedded bolts 601 and the second embedded bolts 604 located at the positions; when the lower part of the outer enclosure wall 6 is connected to the top of the beam 2 below, the lower connecting member 605 is fixedly connected to the first embedded bolt 601 and the second embedded bolt 604 at the corresponding positions, respectively. Preferably, the upper connector 602 and the lower connector 605 are L-shaped. In the installation process, after the beam 2 is installed and fixed, the upper connecting piece 602 and the lower connecting piece 605 are preassembled on the first embedded bolt 601 and fixed by the nut 603, then the peripheral retaining wall 6 is hung to a proper position, and the second embedded bolt 604, the upper connecting piece 602 and the lower connecting piece 605 are fixed by the nut 603, so that connection is completed.
In one embodiment, the inner partition 7 is a factory-prefabricated lightweight wall. The wall body can be made of ceramsite concrete, foamed concrete, steam pressurized concrete and other materials, can be made into a hollow structure, and enhances the sound insulation property. The width, the length and the width of the wall body are fixed.
As shown in fig. 18, the inner partition wall 70 is connected to the prestressed hollow slab 30, and after a positioning line is drawn on the lower prestressed hollow slab 30, the U-shaped clip 71 is fixed to the prestressed hollow slab 30 by the shooting nail 72; coating elastic filling materials 73 on the bottom surface of the U-shaped card 71, installing the inner partition wall 70 into the U-shaped card 71, and fixing the U-shaped card 71 and the inner partition wall 70 by using a shooting nail 72; adjusting the perpendicularity of the wall body, fixing the L-shaped connecting piece 74 to the top prestressed hollow plate 30 by using the shooting nail 72, and ensuring that the other surface of the L-shaped connecting piece 74 is tightly attached to the inner partition wall surface; after the top of the inner partition wall 70 is sprayed with the elastic filling material 73, two L-shaped connectors 74 are fixed to the inner partition wall 70 by means of the shooting nails 72, and connection is completed.
In one embodiment, parapet 4 is a factory-prefabricated reinforced concrete solid wall or sandwich wall panel member, which may be understood as a reduced-size peripheral panel. The installation and fixation mode is the same as the connection mode of the peripheral retaining wall 6 and the beam.
As shown in fig. 1 to 18, a method of constructing a large-span variable-space prefabricated building as described above, comprising the steps of:
s1: providing a column 1, a beam 2, a floor slab 3, an outer peripheral retaining wall 6 and an inner partition wall 7 required by building construction;
s2: the column 1 is fixed on a foundation;
s3: the beam 2 is fixed on the bracket of the column 1;
s4: the floor 3 is fixed on the beam 2;
s5: the peripheral retaining wall 6 is fixed on the beam 2 and the inner partition wall 7 is fixed on the floor slab 3;
s6: pouring is carried out on the surface of the floor slab 3 to form a laminated roof layer 5.
In one embodiment, the method of manufacturing the column 1, beam member is as follows:
the method comprises the steps of assembling a mould of a column 1 and a beam member on a fixed mould table of a factory, hoisting the column 1 and the beam reinforcement cage which are bound in advance into the mould, adjusting the position, operating a concrete distributor to complete concrete distribution of the column 1 and the beam member, and opening a vibrator positioned on a flange of the mould to complete concrete vibration while distributing. And covering the column 1, the beam member and the mould with tarpaulin, introducing steam into the tarpaulin space, and finishing the maintenance work of the column 1 and the beam member when the concrete reaches a certain strength. And finally, removing the tarpaulin, removing the die, and transporting the prefabricated column 1 and the prefabricated beam component to a storage yard for storage.
In one embodiment, the floor 3 member is manufactured as follows:
the floor slab 3 in the system of the invention is a prestressed hollow slab member which is produced by adopting a pretensioning method prestressing process. Firstly, laying prestressed reinforcements on a strip-shaped platform according to the specification, then fixing the prestressed reinforcements on a table-base type hydraulic tensioning device and tensioning, completing the punching and extrusion of the device on the dry and hard concrete through a rail moving device on the strip-shaped platform, and forming a product through a die at the front end of the device. And (3) introducing a heat source into the disc-shaped pipeline below the strip-shaped platform, maintaining the components, removing the side molds and the rib molds after the concrete is maintained to reach certain strength, releasing tension and cutting off the prestressed reinforcement, and finally cutting the prestressed hollow slab according to the required length. The pretensioned prestressed concrete process has the characteristics of simple production process, high production efficiency, easily controlled quality, low cost and the like.
In one embodiment, the peripheral retaining wall 6, parapet 4 components are manufactured as follows:
the components of the peripheral retaining wall 6 and the parapet 4 in the system are reinforced concrete solid wallboards or sandwich heat-insulation integrated wallboards with decorative surfaces, and have the characteristic of no ribs. When the component is split and designed, the component is split according to the general width modulus, the specification of the component can be reduced, and the full-automatic assembly line mode is adopted for production. The full-automatic assembly line consists of two parts, namely concrete forming assembly line equipment and automatic reinforcing steel bar processing assembly line equipment. The two parts of equipment are automatically connected through the control of computer programming software, and all the processes of pattern input, automatic template cleaning, mechanical arm line drawing, mechanical arm module assembling, automatic release agent spraying, automatic reinforcing steel bar processing, reinforcing steel bar mechanical arm mold entering, automatic concrete pouring, automatic mechanical vibration, automatic computer control maintenance, a turnover machine, mechanical arm side mold grabbing and warehousing and the like are automatically completed by the mechanical arm. The production efficiency is obviously improved by the full-automatic assembly line method.
In one embodiment, the inner partition wall 7 member is manufactured as follows:
the inner partition wall 7 member in the system can be made of ceramsite concrete, foamed concrete, steam pressurized concrete and other materials, can be made into a hollow structure, and enhances the sound insulation property. The wall body has the characteristics of fixed width, length and thickness, and is convenient to produce by adopting a flowing parallel combined vertical mold process. The parallel combined die consists of a fixed die plate and two movable die plates. Between the fixed form and the inner wall of the movable form is a space for manufacturing prefabricated parts. The movable parallel combined vertical mold can be transferred to each station through rail transportation, the vertical mold is assembled firstly, then steel bars are bound, then concrete is poured, finally the combined vertical mold is transported to a curing kiln for centralized curing, and then the combined vertical mold is transported to a demolding area for demolding after reaching certain strength, so that the whole process of producing the wallboard by the combined vertical mold is completed. Its main advantage is centralized maintenance of components. The flow parallel combined vertical mold is applied to the production process of the light partition board, and has mature process, high yield and higher automation degree.
In one embodiment, in step S5, the peripheral retaining wall 6 is first installed on the beam, and then the inner partition wall 7 is installed on the floor slab 3. In the design, the construction speed can be increased and the construction period can be shortened by the sequence of firstly installing the peripheral protective wall 6 and then installing the inner partition wall 7. The installation time of the parapet wall 4 can be selected to be installed at a proper time according to the construction condition, and no limitation is imposed on the time.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, and the scope of protection is still within the scope of the invention.
Claims (10)
1. The utility model provides a variable space's of large-span prefabricated building which characterized in that: the composite roof comprises columns, beams, floor slabs, parapets, peripheral retaining walls and inner partition walls, wherein the columns are fixed on a foundation, the beams are fixed on brackets of the columns, the floor slabs are fixed on the beams, the parapets are fixed on the columns, the peripheral retaining walls are fixed on the beams, the inner partition walls are fixed on the floor slabs, and superposed roof layers are formed on the floor slabs in a pouring mode.
2. The large-span variable-space fabricated building of claim 1, wherein: the post is provided with a bracket upper stress rib, a bracket lower stress rib, a bracket pre-embedded tension steel plate, a bracket pre-embedded pressure-bearing steel plate and a bracket pre-embedded supporting steel plate, the bracket upper stress rib is welded with the bracket pre-embedded tension steel plate, and the bracket lower stress rib is welded with the bracket pre-embedded supporting steel plate; the beam is provided with an upper beam stress rib, a beam end embedded steel plate, a lower beam stress rib and a beam end embedded supporting steel plate, the upper beam stress rib is welded with the beam end embedded steel plate, and the lower beam stress rib is welded with the beam end embedded supporting steel plate; the post with during the roof beam is connected, the roof beam connects in on the pre-buried pressure-bearing steel sheet of bracket, the pre-buried drawknot steel sheet of beam-ends with the pre-buried drawknot steel sheet welded connection of bracket, the pre-buried supporting steel sheet of beam-ends with the pre-buried supporting steel sheet welded connection of bracket.
3. The large-span variable-space fabricated building of claim 2, wherein: the beams include L-shaped beams disposed at the periphery of a building and T-shaped beams disposed at intermediate positions.
4. The large-span variable-space fabricated building of claim 1, wherein: the beam comprises a main beam and a secondary beam, wherein the main beam is provided with an embedded anchor bolt, and the secondary beam is provided with a reserved through hole; when the main beam is connected with the secondary beam, the embedded anchor bolt is inserted into the reserved through hole, and the grouting material is filled in the reserved through hole.
5. The large-span variable-space fabricated building of claim 1, wherein: an embedded part is arranged in the beam; the floor slab is a prestressed hollow slab prefabricated in a factory, a rectangular notch is formed right above an end core hole of the prestressed hollow slab, and a slab hole plugging block is arranged at the end of the rectangular notch; when the beam is connected with the prestressed hollow slab, a first reinforcing mesh is arranged in the rectangular notch, a second reinforcing mesh is arranged in a gap between two adjacent prestressed hollow slabs, one end, close to the beam, of the first reinforcing mesh and one end, close to the beam, of the second reinforcing mesh are welded and connected with the embedded part, and fine aggregate concrete is filled in the gap between the beam and the prestressed hollow slab, the rectangular notch and the two adjacent prestressed hollow slabs.
6. The large-span variable-space fabricated building of claim 5, wherein: when the floor slab is used as a roof panel, and the beam is connected with the roof panel, a third reinforcing mesh is laid on the upper surface of the prestressed hollow slab, the second reinforcing mesh and the third reinforcing mesh are connected through binding, and fine aggregate concrete is filled in the third reinforcing mesh on the upper surface of the prestressed hollow slab to form a concrete layer.
7. The large-span variable-space fabricated building of claim 1, wherein: the upper horizontal end face and the lower horizontal end face of the peripheral retaining wall are provided with tongues and grooves, and the left vertical end face and the right vertical end face of the peripheral retaining wall are provided with grooves.
8. The large-span variable-space fabricated building of claim 1, wherein: when the peripheral retaining wall is connected with the beams positioned above and below, the bottom of the beam above and the top of the beam below are provided with first embedded bolts, the upper and lower parts of the peripheral retaining wall are provided with second embedded bolts, and when the upper part of the peripheral retaining wall is connected with the bottom of the beam above, an upper connecting piece is respectively fixedly connected with the first embedded bolts and the second embedded bolts positioned at the position; when the lower part of the peripheral retaining wall is connected with the top of the beam below, the lower connecting piece is respectively and fixedly connected with the first embedded bolt and the second embedded bolt which are positioned at the position.
9. The large-span variable-space fabricated building of claim 1, wherein: when the inner partition wall is connected with the floor slabs which are positioned at the upper part and the lower part, the U-shaped clamp is fixed on the floor slab at the lower part, the bottom surface of the U-shaped clamp is coated with elastic filling materials, the inner partition wall is installed in the U-shaped clamp, the elastic filling materials are sprayed on the top of the inner partition wall, and the top of the inner partition plate is fixed on the floor slab at the upper part by an L-shaped connecting piece.
10. A method of constructing a large span variable space fabricated building as claimed in any one of claims 1 to 9, comprising the steps of:
s1: providing columns, beams, floor slabs, peripheral retaining walls and inner partition walls required by building construction;
s2: the column is fixed on the foundation;
s3: the beam is fixed on the bracket of the column;
s4: the floor slab is fixed on the beam;
s5: the peripheral retaining wall is fixed on the beam and the inner partition wall is fixed on the floor slab;
s6: pouring is carried out on the floor surface to form a superposed roof layer.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| EP4074908A1 (en) * | 2021-04-12 | 2022-10-19 | Grupo Avintia, S.L. | Construction system and method for putting same into practice |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| EP4074908A1 (en) * | 2021-04-12 | 2022-10-19 | Grupo Avintia, S.L. | Construction system and method for putting same into practice |
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Application publication date: 20200417 |