WO2018137491A1

WO2018137491A1 - Modular steel structure prefabricated building

Info

Publication number: WO2018137491A1
Application number: PCT/CN2018/071852
Authority: WO
Inventors: 白月祥
Original assignee: 白月祥
Priority date: 2017-01-24
Filing date: 2018-01-09
Publication date: 2018-08-02
Also published as: CN206503230U

Abstract

A modular steel structure prefabricated building, comprising a box-type steel column (1), a box-type steel beam (2), a floor plate (15), wall plates (7, 8), and a steel staircase (18), box-type short corbel connecting members (3, 5, 13) being arranged on the box-type steel column (1) and the box-type steel beam (2), adjacent components being integrally connected by means of the box-type short corbel connecting members (3, 5, 13), the floor plate (15) being connected to the box-type steel beam (2) by means of an inverted U-shaped connecting member (16) arranged on the floor plate (15) and a box-shaped short corbel connecting member (5) arranged on the box-type steel beam (2), and the wall plate (7) being connected to the box-type steel beam (2) and the box-type steel column (1) by means of a U-shaped connecting member (10) arranged on the edge of the wall plate (7) and steel plate connecting members (11, 4) arranged on the box-type steel beam (2) and the box-type steel column (1). Each component is produced modularly in a factory, and the connections between components are reliable and convenient; construction is simple and assembly is highly efficient.

Description

A modular steel structure assembly building

Technical field

The invention relates to a modular steel structure assembly type construction technology, belonging to the field of steel structure construction.

Background technique

The steel is characterized by high strength, light weight, good material homogeneity and isotropy, good overall rigidity and certain deformation ability, so it is especially suitable for building large-span and high-rise super high-rise buildings. The steel structure construction has a short construction period and a high degree of industrialization, and can be specialized in the production of mechanization. Moreover, the steel structure construction is earthquake-resistant, environmentally friendly, and reusable, which has made the steel structure building a great development. In addition to the main components of steel beam steel column support and other parts processed in the factory, other components such as floors, wall panels and stairs are completed on site. Due to the complex environment and various uncertain factors, the quality, safety and progress indicators are difficult to guarantee during the construction process, and the environment is also damaged. The material waste is serious and the overall economic benefits are not high.

technical problem

The prefabricated building is a construction technology characterized by various types of building component parts, and on-site installation. It has overcome the shortcomings of traditional buildings and has received strong support from national policies. However, the existing prefabricated building technology is also subject to some problems. The most prominent problem is that the workload of on-site construction is still large, the quality control is difficult, the progress efficiency is not high, and the safety construction is not fully guaranteed. The overall assembly rate is not high. low. These factors seriously restrict the development of steel structure assembly buildings.

Technical solution

In view of some problems existing in the existing building mode, the present invention provides a steel structure assembled building technical solution by using a powerful BIM (Building Informatization Model) technology, using 3D solid modeling and component detailing software. Good solution to the problems mentioned in the above technical background. The main components of the steel structure assembly type steel beam, steel column, floor board, wall board and stairs are all factory-made, modular production, and on-site assembly construction, which greatly improves the assembly of steel structure buildings. The rate will make the quality, progress, safety and comprehensive benefits of the construction significantly improved.

In order to achieve the above functions, the present invention is achieved by the following technical solution: a modular steel structure assembly type building, including box steel column 1, box steel beam 2, floor panel 15, wall panel 7, pre-buried support a wall plate 8 and a steel staircase 18; the box-shaped steel column 1 is welded with a box-type short-leg joint 3 and a steel plate connecting member 4 and a steel plate connecting member 11, and the box-shaped steel column 1 is short in a welded box type The position of the cow leg connecting member 3 is opened; the box type steel beam 2 is welded with a box type short leg joint member 5 and a long steel plate member or an angle steel 6 and a stiffening plate 14, and is connected with the box type short leg. The floor panel 15 is a reinforced concrete slab, and the edge of the panel is provided with an inverted U-shaped connecting member 16; the wall panel 7 is a lightweight concrete slab, the steel bar can be appropriately arranged in the panel, and the edge of the panel is provided with a U-shaped connection. The pre-buried support wall 8 of the pre-embedded support wall plate 8 and the support end welded steel plate connecting member 11; the steel stair 18 is made of a box-shaped steel beam 19 as a diagonal beam, and the inclined beam is welded There is a sealing plate 20, and the lower sealing plate is welded under the oblique beam; the box type steel column 1 is erected by the foundation anchor bolt, and is welded in the box The box type short leg joint 3 on the steel column 1 is connected to the box steel beam 2; the floor panel 15 is passed through an inverted U-shaped connecting member 16 provided on the floor panel 15 and disposed on the box steel beam 2. The box type short leg connecting piece 5 is connected to the box type steel beam 2; the wall board 7 passes through the steel plate connecting piece 4 disposed on the box type steel beam 2 and the box type steel column 1, and is disposed on the wall board 7 The U-shaped connecting member 10 of the edge is connected with the box-shaped steel beam 2 and the box-shaped steel column 1; the pre-buried supporting wall plate 8 is connected to the box-shaped steel column 1 through the steel plate connecting member 11; the steel stair 18 is welded by A short leg connector 13 on the ladder beam 17 is connected to the ladder beam 17.

Further, the box-type short-leg joint connector 3 welded on the box-shaped steel column 1 has a box-shaped cross section, and the bottom plate area of the box-shaped cross-section is larger than the top plate area, and the box-shaped cross-section has an upper or side opening, The hole is a hole with an internal thread, and a lower part of the end of the box steel beam 2 is cut off, and bolt holes are opened on both sides or above the end of the box steel beam 2.

Further, the short-legged connecting member 5 welded on the box-shaped steel beam 2 is a box-shaped cross section, the bottom plate area of the box-shaped cross-section is larger than the top plate area, and the box-shaped cross-section is perforated, The holes are internally threaded holes, and the short leg joints 5 are welded to both sides of the box steel beam and near the upper surface.

Further, the elongated steel plate or angle steel 6 welded on the box steel beam 2 is welded to the side of the steel beam and flush with the bottom of the short beef leg connecting member 5 welded on the box steel beam. The stiffener 14 is welded to the underside of the elongated steel plate or angle steel 6 as needed.

Further, the reinforced concrete floor panel 15 is prefabricated, and the reinforcing bars disposed in the reinforced concrete floor panel 15 are weldedly connected to the inverted U-shaped connecting member 16 disposed at the edge of the floor panel, and the inverted U-shaped connecting member 16 is connected. Steel plates are welded to the upper and lower sides of the two sides, and the inverted U-shaped connecting member 16 has a bolt hole on the top surface.

Further, the wall panel 7 is prefabricated by using a lightweight concrete material, and the steel panel is appropriately provided with steel bars, and the steel bars are welded and connected with the U-shaped connecting member 10 disposed at the edge of the wall panel. The U-shaped connector 10 has holes with internal threads on both sides.

Further, the pre-buried support wall panel 8 is arranged according to the structure, and the wall panel is configured to cast the profile steel support 9 into the wall panel at different angles according to the structural force, and the steel support 9 end portion The steel plate joint 11 is welded, and the steel plate joint 11 is provided with a hole with an internal thread.

Further, the steel stair 18 tread plate is welded on the box type inclined ladder beam, and the welded sealing plate 20 on the inclined beam and the lower sealing plate welded under the inclined beam form a steel staircase enclosed space, and the light concrete material can be poured in the space. To improve the fire rating of steel stairs.

Further, the box-shaped steel column 1 is opened at a position of the welded box-type short-legged connecting piece 3, so that the box-shaped steel column 1 and the box-shaped steel beam 2 are penetrated at the joint, and the concrete can be integrally poured on site according to the structure requirement. , can greatly improve the strength of the frame structure.

Further, the internal threaded hole on the box type short leg connecting piece 3, the internally threaded hole on the box type short leg connecting piece 5, the internally threaded hole on the U-shaped connecting 10, and the box type short leg connection The internally threaded holes on the piece 13 are connected by screwing screws and corresponding components, or the box type short leg connecting piece 3, the box type short leg connecting piece 5, the U-shaped connecting 10, the box type short leg connecting piece 13 Without holes, but in the form of plug welding and welding with the corresponding components.

Beneficial effect

The invention has the beneficial effects that the staff can carry out the modularized components such as the box steel beam 2, the floor panel 15, the wall panel 7, the pre-buried support wall panel 8, the steel staircase 18, etc. Building-type assembly construction. This kind of construction method has improved the problems in the construction period, quality, schedule and safety of traditional buildings. At the same time, the assembly rate of steel structures has been greatly improved, and the modular production and assembly construction of steel structures have been realized. .

DRAWINGS

Other features, objects, and advantages of the invention will be apparent from the description of the appended claims. 1 is a schematic view showing the assembly of the overall structure of the present invention; FIG. 2 is a schematic view showing the installation of the box type steel column 1 and the box type steel beam 2 of the present invention; and FIG. 3 is a box type steel column 1, a box type steel beam 2 and a wall board of the present invention. FIG. 4 is a schematic view showing the installation of the box type steel column 1, the box type steel beam 2 and the pre-buried support wall board 8 of the present invention; FIG. 5 is the box type steel beam 2 and the box type steel secondary beam 12 of the present invention. FIG. 6 is a schematic view showing the installation of the box type stair floor 17 and the steel stair 18 of the present invention; in the figure: 1-box type steel column, 2-box type steel beam, box on 3-steel column Short-leg joints, 4-box steel box-type steel beams to connect wall panels, box-type short-leg joints on 5-box steel beams, steel plates on 6-box steel beams or Angle steel connecting piece, 7-prefabricated light body wall board, 8-prefabricated pre-buried steel supporting wall board, 9-pre-buried steel support, 10-wall plate U-shaped connecting piece, 11-shaped steel oblique supporting steel plate connecting piece, 12-box rigid secondary beam, 13-box short bullet connector, 14- stiffener, 15-prefabricated floor panel, inverted U-shaped connector for 16-floor panel, 17-box steel stair beam, 18-steel stairs 19- stair tread closure plate 20 inclined beams.

BEST MODE FOR CARRYING OUT THE INVENTION

The technical solutions in the embodiments of the present invention are clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, but not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention. In order to make the technical means, the authoring features, the achievement of the object and the effect of the present invention easy to understand, the present invention will be further described below in conjunction with the specific embodiments.

Referring to FIG. 1 , FIG. 2 , FIG. 3 , FIG. 4 , FIG. 5 and FIG. 6 , the present invention provides a technical solution: a modular steel structure assembled structure, including a box steel column 1 and a box steel beam 2 , wall panels 7 and 8, floor panels 15, steel stairs 18. The steel profiles in the present invention all adopt a box-shaped cross section, and the box section has good mechanical properties and appearance effects, and is more suitable for use in residential houses. The profile of the cross section also greatly reduces the types of steel structure nodes, and is more suitable for standard processing and production. The unique box-section connecting method of the invention makes the traditional point-to-point connection mode become a lap joint, and the node strength is greatly increased. . In the present invention, the floor panel and the wall panel are pre-buried with steel structural connectors at the time of production, so that they have mountable characteristics.

Embodiments of the invention

Embodiment 1: As shown in FIG. 1 , a box-shaped steel column 1 is welded to the column foot of the column bottom, and is connected with the foundation embedded anchor bolt to erect the steel column vertically. The box-type steel column 1 is also welded with a box-shaped short-legged leg connecting member 3, and the connecting member 3 is made of a thick steel plate having a bottom area slightly larger than the top area, and an internal threaded hole is formed on both sides and the top surface. The box-shaped steel column 1 is connected by a connecting member 3 and a box-shaped steel beam 2. The box-shaped steel beam 2 is a box-shaped section, and the lower end flange plate of both ends is cut off, and the length of the cut is equal to the length of the connecting member 3, and the head side and the top surface of the box-shaped steel beam 2 are opened, and the installer will The box-shaped steel beam 2 is horizontally hoisted, and is placed from the top to the bottom on the short-legged connecting piece 3 between the two columns, and is fastened by a threaded screw, such as a box-type short-legged connecting piece 3 which does not have an internally threaded hole. Then, it is connected in the form of plug welding, so that the installation of the box steel column 1 and the steel box beam 2 is completed.

Embodiment 2: As shown in FIG. 5, if the area of the floor panel 15 is large and needs to be installed in blocks, it is necessary to add a box-shaped steel secondary beam 12 between the box-shaped steel beams 2 to divide the floor panels of too large an area. A box-type short-legged connecting piece 13 is welded to the box-shaped steel beam 2 for connecting the box-shaped steel secondary beam 12, and the box-shaped short-legged connecting piece 13 is made of a thick steel plate, and the bottom area is slightly larger than the top area. , with internal threads on both sides and top surface. The box-shaped steel secondary beam 12 is also cut off from the lower end flange plate, and is attached to the short-legged connecting member 13 through the threaded screw from top to bottom. For example, when the box-type short-legged connecting member 13 does not open the internally threaded hole, The joint is welded in the form of a plug weld, so that the installation of the box steel beam 2 and the box steel secondary beam 13 is completed.

Embodiment 3: As shown in Fig. 5, after the box steel beam 2 and the box steel secondary beam 12 are installed, the floor panel 15 can be installed. The floor panel 15 is a prefabricated reinforced concrete floor slab of the factory. The upper and lower layers of steel mesh are arranged inside, and an inverted U-shaped connecting member 16 is arranged at the edge of the plate. The bottom surface and the top surface of the connecting member 16 are welded with steel plates, and the steel plate and the upper and lower steel meshes are welded. Connect, open the bolt hole at the top of the inverted U-shaped connector 16. The box type steel beam 2 and the box type steel secondary beam 12 are also welded with a box type short leg joint member 5 and a long strip steel plate or angle steel 6 similar to the box type short cow leg connecting member 3, and the stiffening plate 14 is required as needed. Welded under the strip steel plate or angle steel member 6, the connecting member 5 only has a hole with an internal thread on the upper surface, the connecting member 5 is welded on the upper side of the box steel beam, and the long steel plate or angle steel 6 is welded to the steel beam. Up and flush with the bottom surface of the connector 5. The staff lifts the floor panel 15 horizontally and installs it into the frame enclosed by the floor box steel beam 2 and the box steel secondary beam 12, the inverted U-shaped connecting piece 16 on the floor board and the box-shaped steel beam 2, box steel The box-type short-leg joints 5 on the secondary beam 12 are engaged, and are connected by a threaded screw, and the strip-shaped steel plate or the angle steel 6 supports the floor plate 15, and can also prevent the cement slurry from leaking in the later floor. If the box-type short-leg joint connector 5 does not open the internally threaded hole, the joint is welded in the form of plug welding, thus completing the installation of the floor panel 15.

Embodiment 4: As shown in FIG. 3 and FIG. 4, after the floor panel is installed, the staff can safely install the wall panel on the floor. The floor panels are lightweight concrete wall panels prefabricated by the factory. There are two types of wall panels, one is a simple wall panel 7, and the other is a pre-buried support wall panel 8 prefabricated in the panel. The steel plate is appropriately arranged inside the wall plate, and the edge of the plate is provided with a U-shaped connecting member 10, and the U-shaped connecting member 10 is weldedly connected with the steel bars arranged in the plate, and the two symmetric sides of the U-shaped connecting member 10 are internally threaded. hole. At the same time, an open-hole steel plate connecting member 4 is welded to the box-shaped steel column 1 and the box-shaped steel beam 2. After the steel beam is installed, the wall panel 7 is lifted, and the U-shaped connecting member 10 on the wall panel and the hole of the connecting member 4 on the box steel beam 2 box steel column 1 are aligned and connected by a threaded screw. . For the pre-buried wall panel 8, the end of the profiled diagonal support 9 is welded with an internally threaded steel plate joint 11 which is connected to the perforated steel plate joint welded to the box steel column 1 by a threaded screw. If the connecting member 11 in the wall panel does not open the internally threaded hole, it is connected by plug welding. This completes the installation of the wall panel.

Embodiment 5: As shown in FIG. 6, the inclined ladder beam of the steel staircase is a box-shaped section, and the steel staircase 18 is stepped on the stepped beam above the box type inclined ladder beam, and the welded sealing plate 20 on the inclined beam is welded under the oblique beam. The sealing plate forms a steel staircase enclosed space, and the light concrete material can be poured in the space to improve the fireproof rating of the steel staircase. The steel staircase and the stair beam are connected by a box section cow leg joint 13.

Embodiment 6: The wall board and the floor board can also pre-embed the water, electric, heating and other pipeline casings in the board body according to actual needs, and leave an interface to improve the integration degree of the board.

Embodiment 7: Because the technical solution of the present invention adopts the box type steel column 1 and the box type steel beam 2, the steel column at the joint of the box type steel column and the box type steel beam can be opened, so that the box type steel column 1 and the box type steel beam are made. 2 After the internal cavity is penetrated, the box steel column and the box steel beam are installed in position, and the concrete is poured into the box steel column and the box steel beam as needed, which can greatly strengthen the overall rigidity and structural strength of the frame structure and improve the building structure. safety.

Industrial applicability

The outstanding feature of the invention is industrial practicability. The traditional construction work site is mainly at the construction site. The invention realizes the factory production, modular production and integrated production of the main components of the building, and will greatly promote the process of industrialization of the building.

Sequence table free content

Type the sequence table free content description paragraph here.

Claims

A modular steel structure assembled building, comprising box steel column 1, box steel beam 2, floor panel 15, wall panel 7, pre-buried supporting wall panel 8, steel staircase 18; said box steel column 1 is welded with a box type short leg connecting piece 3 and a steel plate connecting piece 4 and a steel plate connecting piece 11, and the box type steel column 1 is opened at a position of the welded box type short leg connecting piece 3; The steel beam 2 is welded with a box-shaped short-leg joint 5 and a long steel plate or angle steel 6 and a stiffener 14 and a box-shaped short-leg joint 13; the floor panel 15 is a reinforced concrete panel, the edge of the panel An inverted U-shaped connecting member 16 is disposed; the wall panel 7 is a lightweight concrete slab, and the reinforcing bars are appropriately arranged in the panel, and the U-shaped connecting member 10 is disposed at the edge of the panel; the pre-buried supporting wall panel 8 is pre-prepared internally a buried steel support 9, supporting the end welded steel plate connecting member 11; the steel stair 18 is made of a box-shaped steel beam 19 as a diagonal beam, a sealing plate 20 is welded on the inclined beam, and a lower sealing plate is welded under the inclined beam; The box type steel column 1 is erected by the foundation anchor bolt, and is connected to the box type steel beam 2 by a box type short leg joint member 3 welded on the box type steel column 1; The laminate 15 is joined to the box-shaped steel beam 2 by an inverted U-shaped connecting member 16 provided on the floor panel 15 and a box-type short-legged connecting member 5 provided on the box-shaped steel beam 2; said wall panel 7 The steel plate connecting member 4 disposed on the box steel beam 2 and the box steel column 1 and the U-shaped connecting member 10 disposed at the edge of the wall plate 7 are connected to the box steel beam 2 and the box steel column 1; The buried support wall panel 8 is connected to the box steel column 1 by a steel plate joint 11; the steel staircase 18 is connected to the ladder beam 17 by a short leg joint 13 welded to the ladder beam 17.
The modular steel structure assembly structure according to claim 1, wherein the box type short leg joint member 3 welded on the box type steel column 1 is a box section, and the box type is The bottom plate area of the cross section is larger than the top plate area, the box section is open on the upper side or the side surface, the hole is a hole with an internal thread, and the lower part of the end of the box steel beam 2 is cut off, the box type A bolt hole is opened on both sides or above the end of the steel beam 2.
A modular steel structure assembly structure according to claim 1, wherein the short-legged leg joint 5 welded to the box-shaped steel beam 2 has a box section, and the box section The bottom plate area is larger than the top plate area, the box-shaped section is perforated, the hole is an internally threaded hole, and the short-legged connecting piece 5 is welded on both sides of the box-shaped steel beam and near the upper surface .
A modular steel structure assembly structure according to claim 1, wherein the long steel plate or angle steel 6 welded on the box steel beam 2 is welded to the side of the steel beam and welded to The bottom of the short leg joint 5 on the box steel beam is flush, and the stiffener 14 is welded to the underside of the elongated steel plate or angle steel 6 as needed.
A modular steel structure prefabricated building according to claim 1, wherein said reinforced concrete floor panel 15 is prefabricated, and said reinforcing steel and floor panel edges are arranged in said reinforced concrete floor panel 15. The inverted U-shaped connecting member 16 is weldedly connected, and the inverted U-shaped connecting member 16 is welded with steel plates on the upper and lower sides of the two sides, and the inverted U-shaped connecting member 16 has a bolt hole on the top surface.
The modular steel structure assembly structure according to claim 1, wherein the wall panel 7 is prefabricated by using a lightweight concrete material, and the steel panel is appropriately provided with reinforcing steel. The reinforcing bars are welded to the U-shaped connecting members 10 disposed at the edges of the wall plates, and the U-shaped connecting members 10 are provided with holes with internal threads on both sides.
A modular steel structure prefabricated building according to claim 1, wherein said pre-buried supporting wall panel 8 is arranged according to a structure, said wall panel is shaped according to the structure of the steel support 9 The force is cast in the wall panel at different angles, and the profiled steel supports the 9-end welded steel plate joint member 11, and the steel plate joint member 11 is provided with a hole with an internal thread.
A modular steel structure assembly structure according to claim 1, wherein said steel staircase 18 is stepped over the box type inclined ladder beam, and the welded plate 20 and the inclined beam are welded on the inclined beam. The lower welded sealing plate constitutes a steel staircase enclosed space, and light concrete material can be poured in the space to improve the fireproof rating of the steel staircase.
A modular steel structure assembly structure according to claim 1, wherein said box type steel column 1 is opened at a position of the welded box type short leg joint member 3, so that the box type steel column 1 and The box-shaped steel beam 2 is penetrated at the joint, and the concrete can be poured into the whole site according to the structure.
A modular steel structure assembly structure according to claim 1, wherein said box-shaped short-legged connecting member 3 has an internally threaded hole and a box-shaped short-legged connecting member 5 The threaded hole, the internally threaded hole on the U-shaped joint 10, and the internally threaded hole on the box-type short-legged connecting piece 13 are all connected by screwing screws and corresponding components, or the box type short-legged connecting piece 3, the box type is short The cow leg connecting member 5, the U-shaped joint 10, the box-shaped short-legged connecting piece 13, and the non-opening hole are welded and connected to the corresponding components in the form of plug welding.