Classifications

• • 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
  • E04B1/16—Structures made from masses, e.g. of concrete, cast or similarly formed in situ with or without making use of additional elements, such as permanent forms, substructures to be coated with load-bearing material
  • E04B1/161—Structures made from masses, e.g. of concrete, cast or similarly formed in situ with or without making use of additional elements, such as permanent forms, substructures to be coated with load-bearing material with vertical and horizontal slabs, both being partially cast in situ
• • E—FIXED CONSTRUCTIONS
  • E04—BUILDING
  • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
  • E04C3/00—Structural elongated elements designed for load-supporting
  • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
  • E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
  • E04C3/08—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal with apertured web, e.g. with a web consisting of bar-like components; Honeycomb girders

Definitions

• the invention relates to a building and a construction method thereof, in particular to a space light steel frame concrete building and a construction method thereof. Background technique
• concrete structures are widely used because they are suitable for low-rise and multi-storey buildings and are also suitable for building high-rise buildings.
• Cast-in-place reinforced concrete structures need to be tied to steel bars on the site, supporting formwork and demolishing formwork. There are many workers on site and the construction period is long.
• the prefabricated reinforced concrete shear wall structure is produced in the factory and assembled on site. However, in order to solve the problem of the overall connection between the prefabricated members and the problem of water seepage at the joint between the prefabricated members, the construction cost is high.
• Chinese patent application CN 1958984 A discloses a steel mesh frame concrete composite building and a construction method thereof, wherein a steel skeleton is formed by cold-formed thin-walled steel, and a conventional wood formwork or steel formwork is replaced by a steel mesh.
• the steel mesh skeleton is made in the factory, and the steel mesh frame is assembled on site, and the concrete seismic wall structure is formed after the concrete is reproduced.
• This structural system still has the following shortcomings:
• the first type of lattice steel used in the stencil structure is 1. 0 hidden - 4. 0 hidden cold curved lattice steel member, the cross section of which is C-shaped, U-shaped, Z-shaped, in two mutual Holes are evenly arranged on the web between the parallel flanges, the periphery of the hole is provided with a reinforcing bead, and the reinforcing bead between the two holes constitutes a U-shaped web.
• the production process of the lattice steel is relatively complicated, and the punching machine needs to punch out the hole on the thin steel plate, and then is bent and formed by the cold bending forming machine. According to the opening ratio, the total weight of the lattice steel is about 10%-15%.
• the scraped steel scraps cause some waste, and it is necessary to build a special lattice steel production line with large investment and high production cost.
• the steel mesh used in the above-mentioned steel mesh frame is a fish scale net having a thickness of 0. 3mm-0. 6mm galvanized steel sheet, and the stripe ribs having protrusions and parallel arranged at a certain pitch on the fish scale network, the steel plate The net is fixed to the surface of the steel frame by the strip-shaped rib projections.
• This kind of steel mesh does not work in the structural stress, and is only used as a template, and the cost is high, which also increases the amount of steel used in the house. After the concrete is poured, the surface of the steel mesh is also subjected to wet work plastering in order to smooth the surface, increase the process, and labor.
• Chinese patent application CN101654925A discloses a space solid mold truss concrete building and a construction method thereof.
• the technology eliminates the need to remove the formwork, so the formwork cannot be reused, increasing construction costs.
• the formwork cannot be removed, it is not convenient to check the compactness of the concrete after pouring. Summary of the invention
• the object of the present invention is to address the shortcomings and deficiencies of the traditional architecture system.
• SUMMARY OF THE INVENTION One object of the present invention is to provide a space light steel frame concrete building which has a frame processing unit, less equipment investment, steel saving, and labor cost reduction.
• Another object of the present invention is to provide a method of constructing the above building.
• a space light steel frame concrete building includes: a wall space light steel frame; a floor space light steel frame, the floor space light steel frame and the wall The space space light steel frames are interconnected to form a light steel frame of the building unit space;
• each of said wall space light steel frame and floor space light steel frame comprises welded steel mesh and spaced apart plurality of stretched a lattice-shaped steel of the hole, wherein the welded reinforcing mesh is respectively welded to the plurality of lattice-shaped steels to integrally connect the plurality of lattice-shaped steels arranged at intervals, the lattice shape having the stretching holes Steel consists of two mutually parallel flanges integrally formed and a plurality of webs connected between the two flanges, the plurality of webs defining a plurality of said edges between the two flanges
• the drawing hole, the plurality of webs and the plurality of stretching holes are formed by stretching between the two flanges.
• a method for constructing a space light steel frame concrete building comprising the following steps:
• the lattice steel is composed of two mutually parallel flanges integrally formed and a plurality of webs connected between the two flanges, the plurality of webs defining more between the two flanges
• the stretching holes, the plurality of webs and the plurality of stretching holes are formed by stretching between the two flanges;
• the light steel frame is improved, and the wall space light steel frame and the floor space light steel frame are welded by the lattice steel and the welded steel mesh.
• the light steel frame of the wall space and the light steel frame of the floor space use lattice-shaped steel with tensile holes, so the processing is more simple, saving time and labor, saving materials, and reducing investment in production equipment and reducing costs.
• the detachable template is used and the template can be reused, further reducing costs.
• FIG. 1 is a plan view showing a light steel frame wall space of a space light steel framed concrete building according to an embodiment of the present invention
• Figure 2 is a cross-sectional view taken along line A-A of Figure 1;
• FIG. 3 is a perspective view of a light steel frame of a building unit composed of a wall space light steel frame and a floor space light steel frame according to an embodiment of the present invention
• FIG. 4 is a schematic view of a structural steel having tensile holes in a wall space light steel frame and a floor space light steel frame according to an embodiment of the present invention
• Figure 5 is a schematic illustration of a welded steel mesh for a wall space light steel frame and a slab space light steel frame in accordance with an embodiment of the present invention
• FIG. 6 is a schematic structural view of a thermal insulation panel of a space light steel frame concrete building according to an embodiment of the present invention.
• FIG. 6 is a construction flow chart of a space light steel frame concrete building according to an embodiment of the present invention.
• the terms “installation”, “connected”, and “connected” should be understood broadly, and may be, for example, a fixed connection or a detachable connection. It may be directly connected or indirectly connected through an intermediate medium, and the specific meaning of the above terms may be understood by those skilled in the art according to specific circumstances.
• the space light steel frame concrete building in the embodiment of the invention comprises a wall space light steel frame 1, a floor space light steel frame 2, and a concrete 5.
• the slab space light steel frame 1 and the wall space light steel frame 1 are interconnected to form a building unit space light steel frame.
• the concrete 5 is filled in the light steel frame of the building unit space. It should be understood that before the concrete 5 is poured, a removable formwork 3 is installed on the outside of the light steel frame of the building unit space, and the concrete 5 is to be solidified. After that, the template 3 can be selectively removed, so that the template 3 can be reused.
• the selective removal of the formwork 3 after solidification of the concrete means that the formwork 3 can be removed as needed.
• the formwork 3 on the outside of the light steel frame 1 constituting the wall of the building can be permanently retained without being removed, whereby the heat insulating plate 8 can be attached to the permanently retained formwork 3, that is, on the outer wall of the building.
• the insulation layer increases the insulation performance of the building, while the slab space light steel frame 2 and other wall spaces on the light steel frame 1 can be removed.
• all templates 3 can also be removed.
• Each of the wall space light steel frame 1 and the floor space light steel frame 2 includes a welded steel mesh 4 and a plurality of lattice-shaped steels 11 having tensile holes 113 arranged at intervals, respectively, and a plurality of welded steel meshes 4
• the lattice type steel 11 is welded to integrally connect a plurality of lattice-shaped steels 11 arranged at intervals.
• the lattice-shaped steel 11 having the stretching holes 113 is composed of two mutually parallel flanges 111 integrally formed and a plurality of webs 112 connected between the two flanges 111, and the plurality of webs 112 are at two flanges A plurality of stretching holes 113 are defined between the 111, and the plurality of webs 112 and the plurality of stretching holes 11 3 are formed by stretching between the two flanges 11.
• the space light steel frame concrete building according to the embodiment of the invention, the wall space light steel frame 1 and the floor space light steel frame 1 are integrally formed by welding the steel mesh 4 and the plurality of lattice steels 11 , and the lattice type steel 11 passes
• the plurality of webs 112 and the plurality of stretching holes 113 are formed by stretching, so that the lattice type 11 is manufactured in a single cylinder, material is saved, investment in production equipment is small, labor is artificial, and cost is reduced.
• the space light steel frame concrete building may be a plurality of layers, as shown in FIG. 2, as an example, an eight-story building is shown, each layer of space light steel frame concrete building is composed of one layer as a whole.
• the building unit is constructed.
• the one-piece integral building unit may be composed of one building unit or a plurality of building units horizontally. In the embodiment shown in Figures 1 and 2, one layer of the building unit is composed of, for example, 10 building units.
• Each building unit is formed by filling the concrete 5 in a light steel frame of a building unit space composed of a wall space light steel frame 1 and a slab space light steel frame 2, and the multi-layer integral building units are stacked upwards in turn to form a plurality of Layer space light steel framed concrete building, wall space light steel frame 1 of the upper layer integral building unit is fixed on the wall space light steel frame 1 of the adjacent lower layer integral building unit, for example, the wall space light steel of the upper layer integral building unit
• the frame 1 can be connected to the wall space light steel frame 1 of the adjacent sub-building unit by means of a steel joint.
• the wall of the bottom unit of the overall building unit is fixed to the foundation 1 3 at the lower end of the light steel frame 1 .
• the wall space of the top-level monolithic building unit is connected to the light steel frame 2 of the slab space used as the roof.
• the wall space light steel frame 1 and the floor space light steel frame 1 may be joined to each other by welding to form a space light steel frame.
• the wall space light steel frame 1 and the floor space light steel frame 1 may be connected to each other by a connecting member.
• the outer side of the wall space light steel frame 1 constituting the outer wall of the space light steel frame concrete building may permanently retain the formwork 3, in other words, after the concrete 5 is solidified, the space is formed Light steel structure
• the wall form of the outer wall of the concrete building is not removed, and the heat insulating plate 8 can be attached to the formwork 3 to improve the insulation effect of the building.
• the lattice steel 1 of the wall space and the lattice steel 11 of the floor space light steel frame 2 may be, for example, a steel plate passing between the two flanges 111. Forming a plurality of slits extending in the longitudinal direction of the two flanges 11 1 (left-right direction in FIG. 4) and stretching along the lateral direction of the two flanges 111 (up and down direction in FIG. 4), thereby forming a lattice steel A plurality of webs 112 and a plurality of stretching holes 11 3 defined by the plurality of webs 112 are stretched between the two flanges 111 of the eleven.
• the processing of the lattice type steel 11 is very simple, and the material is saved, saving time and labor.
• the basic structure of the wall space light steel frame 1 and the floor space light steel frame 1 are the same, the main difference is: before the filling of the concrete 5, the wall space light steel frame A removable formwork 3 is to be installed on both sides of the 1st floor, and a removable formwork 3 is attached to the bottom side of the light steel frame 1 of the floor space.
• the windows and doors of the building can be designed according to specific needs.
• door openings and window openings are reserved in a part of the wall space light steel frame 1 to form the doors and windows of the building.
• Edge members are respectively disposed on the horizontal sides of the door opening and the window opening, and the edge members may be composed of longitudinal reinforcing bars and horizontal stirrups, or vertical reinforcing bars, vertical steel bars and horizontal stirrups.
• there are coupling beams above the door opening and the window opening, and the connecting beam can be composed of horizontal steel bars and vertical stirrups.
• the slab space light steel frame 2 can be pre-opened with stairs according to the design requirements.
• the welded steel mesh 4 as shown in Fig. 5 can be welded by a plurality of horizontally arranged reinforcing bars 41 and a plurality of vertically aligned reinforcing bars 42.
• the steel mesh 4 and a plurality of spaced latticed steels with tensile holes 1 1 3 are welded to form a wall space light steel frame 1 and a slab space light steel frame 2 .
• the thermal insulation panel 8 disposed on the exterior wall of the building may be a composite thermal insulation panel.
• the heat insulating board 8 is composed of a polyphenylene or rock wool thermal insulation layer 801, a crack resistant mortar or sheet metal protective layer 802 and a decorative surface layer 803 from the inside to the outside.
• a method of constructing a space light steel frame concrete building according to an embodiment of the present invention will be described below with reference to FIG.
• a method of constructing a space light steel frame concrete building according to an embodiment of the present invention includes the following steps:
• the lattice-shaped steel 11 of the stretching hole 11 3 is composed of two mutually parallel flanges 111 integrally formed and a plurality of webs 112 connected between the two flanges 111, and the plurality of webs 112 are at two flanges
• a plurality of stretching holes 11 3 are defined between 11 1 , and a plurality of webs 112 and a plurality of stretching holes 11 3 are formed by stretching between the two flanges 111;
• steps (1) to (4) are repeated a plurality of times to form a multi-story integral building unit, wherein the lower end of the wall space light steel frame 1 of the upper monolithic building unit is fixed (for example, by a steel connecting piece) On the wall space light steel frame 1 of the adjacent lower monolithic building unit to form a multi-story space light steel frame concrete building.
• the first-floor integral building unit may be composed of one building unit or a combination of a plurality of building units, and one building unit is constructed by filling concrete 5 with a light steel frame 1 of a wall space and a light steel frame 2 of a floor space.
• a building unit space is formed within the light steel frame.
• Light steel frame for wall space 1 and light steel frame for floor space 1 can be connected by welding or connecting pieces.
• the lattice type steel 11 is formed by forming a plurality of slits extending in the longitudinal direction of the two flanges 111 between the two flanges 111 and extending in the transverse direction of the two flanges 111.
• the method for constructing a space light steel frame concrete building further comprises: laying an insulation board 8 on the outer wall of the space light steel frame concrete building, wherein the wall constituting the outer wall of the space light steel frame concrete building is permanently retained. The space outside the light steel frame 1 template.
• the structural steel of the wall space light steel frame 1 and the slab space light steel frame 1 is processed, the material is saved, the cost is low, the investment in the production equipment is small, and the time and labor are saved.
• the template 3 can be removed, so that it can be reused, further reducing the cost.
• the description of the terms “one embodiment”, “some embodiments”, “example”, “specific example”, or “some examples” and the like means a specific feature described in connection with the embodiment or example.
• a structure, material or feature is included in at least one embodiment or example of the invention.
• the schematic representation of the above terms does not necessarily mean the same embodiment or example.
• the particular features, structures, materials, or characteristics described may be combined in a suitable manner in any one or more embodiments or examples.

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• Engineering & Computer Science (AREA)
• Architecture (AREA)
• Civil Engineering (AREA)
• Structural Engineering (AREA)
• Physics & Mathematics (AREA)
• Electromagnetism (AREA)
• Reinforcement Elements For Buildings (AREA)
• Conveying And Assembling Of Building Elements In Situ (AREA)
• Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)

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Publications (1)

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Citations (9)

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• 2010
  • 2010-01-29 CN CN2010101042592A patent/CN101736809B/zh active Active
• 2011
  • 2011-01-28 US US13/575,682 patent/US20120304563A1/en not_active Abandoned
  • 2011-01-28 RU RU2012136889/03A patent/RU2506376C1/ru active
  • 2011-01-28 EP EP11736649.2A patent/EP2530211B1/de active Active
  • 2011-01-28 CA CA2788118A patent/CA2788118C/en active Active
  • 2011-01-28 WO PCT/CN2011/070772 patent/WO2011091767A1/zh active Application Filing

Patent Citations (9)

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