CN107130683A - A kind of assembled box building and its Modular building module - Google Patents

Abstract

The invention discloses a kind of assembled box building and its Modular building module, it includes multiple building standard modules；It is connected with each other between two neighboring building standard module by vertical equity connector；The building standard module includes bottom truss beam, wall stand post and roof girder；The wall stand post is longitudinally arranged in the both sides of the bottom truss beam along level；The roof girder is fixed in the wall stand post upper end；The vertical equity connector is connected with the wall stand post and the roof girder.The present invention is simple in construction, assemble easy to use, and it uses assembled architecture, and using prefabrication, in-site installation mode, the construction period is short.

Description

A prefabricated box building and its standard building modules

technical field

The invention relates to a box building, which belongs to the technical field of small prefabricated buildings, in particular to a prefabricated box building.

Background technique

Based on the general environment of "developing prefabricated buildings vigorously in China and promoting industrial structure adjustment", the State Grid Corporation of China has accelerated the pace of industrialization of power grid engineering, and the substation project is an intelligent substation with unattended, "standardized design, factory processing, and modular construction" According to the technical requirements, the substation building shall be optimally designed.

At present, prefabricated buildings are basically assembled with steel structures and other cement base materials, and there are still a lot of on-site operations at the construction site, while integrated prefabricated buildings mostly exist in the form of temporary buildings such as containers and board houses. The existing problems are as follows:

At present, the construction market mostly uses containers and prefabricated houses, which have a service life of 5-10 years, which does not meet the requirements for the life of ordinary buildings. It is necessary to redefine the structural form and enclosure materials of buildings.

Container buildings are very different from general building structures in terms of enclosure insulation, roof waterproofing, and building fire protection. According to the requirements of ordinary buildings, there are potential safety hazards in their splicing forms, and improvements in the splicing structure are needed to meet the overall requirements of the building. .

Container buildings adopt the national standard size based on transportation requirements. It is not suitable for buildings whose scale is between the size of the container module. Assembled units cannot be flexibly assembled and spliced according to functional requirements. Improvements need to be made on the unit scale to meet the flexible splicing of buildings.

In the description of the Chinese invention patent CN100402765C, a box-type building formwork and its construction method are disclosed. It is composed of wall panels, roof formwork and square steel pipe columns. The wall panels include composite exterior wall panels, hollow structural wall panels, and composite frames. The wall panel is characterized in that there is a decorative layer on the outside of the wall panel, and a steel frame is installed inside. The steel frame of the composite exterior wall panel is welded with a steel grid frame and poured with aerated concrete, and the outer insulation board is installed; the steel frame of the hollow structure wall panel is The steel grid frame and light steel keel are welded, the steel frame of the composite frame wall panel is welded with supporting rods and filled with the sound insulation core layer; Seal the board up and down. The construction method is to transport the house model to the construction site, put together the building layers and pour concrete uniformly to form a steel and concrete composite structure. The invention can improve the modernization level of the construction industry, reduce the weight of house model components, facilitate manufacture, transportation and hoisting, and improve the seismic performance. But this invention needs to use steel-concrete structure, so five undoubtedly increased construction man-hours, improved the labor intensity of construction personnel, and is unfavorable for transportation and assembly.

Contents of the invention

In view of the above-mentioned defects in the prior art, the purpose of the present invention is to solve the above-mentioned background technology deficiencies, and provide a prefabricated box building, which not only has a simple structure, is convenient to assemble and use, but also has perfect building construction measures and a high structural safety factor. , service life and other advantages.

In order to solve the above-mentioned technical problems, the present invention adopts such a standard building module for a modular box building. The building standard module includes a steel frame structure system, an outer protective structure system, an inner partition wall and an antistatic floor; the steel The interior of the frame structure system is provided with an inner partition wall and an antistatic floor, and the exterior of the steel frame structure system is provided with an outer protective structure system; one side of the steel frame structure system is provided with a longitudinal horizontal connector; the steel frame structure The system includes a bottom truss beam, a wall frame column and a roof beam; the wall frame column is arranged horizontally and longitudinally on both sides of the bottom truss beam; the roof beam is fixedly connected to the upper end of the wall frame column; the wall frame Both the columns and the roof beams are fixedly connected with the longitudinal horizontal connectors.

In a preferred embodiment of the present invention, the wall frame columns include vertically arranged U-shaped wall columns, horizontally arranged U-shaped rigid supports and U-shaped diagonal braces; the U-shaped wall columns are arranged horizontally and longitudinally at intervals ; The U-shaped rigid support is arranged at intervals along the vertical direction and fixed to the U-shaped wall column; it is estimated that there is the U-shaped diagonal brace between the U-shaped wall column and the U-shaped rigid support; The end of the U-shaped rigid support is fixedly connected with the longitudinal horizontal connecting piece.

In a preferred embodiment of the present invention, the longitudinal horizontal connector is an L-shaped rib connector; one end of the L-shaped rib connector is affixed to the top of the U-shaped rigid support; the L-shaped The other end of the rib plate connector is arranged vertically downwards perpendicular to the top end of the U-shaped rigid support.

In a preferred embodiment of the present invention, the roof beam includes a U-shaped top guide beam and a rigid support of the roof beam; the U-shaped top guide beam is arranged at the upper end of the wall frame column at intervals along the horizontal and vertical directions; The rigid supports of the roof beams are fixedly connected between the beam frame columns; the ends of the rigid supports of the roof beams are fixedly connected with the longitudinal horizontal connectors.

In a preferred embodiment of the present invention, the U-shaped top guide beam is spliced by two channel steels; both ends of the U-shaped top guide beam are fixedly connected with L-shaped rib connectors; One end of the L-shaped rib connector is fixedly connected to the web of the U-shaped top guide beam; the other end of the L-shaped rib connector is arranged parallel to the upper end surface of the wall frame column.

In a preferred embodiment of the present invention, the longitudinal horizontal connecting piece is an L-shaped rib plate connecting piece; one end of the L-shaped rib plate connecting piece is fixedly connected to the ventral side plate part of the rigid support of the roof beam; The other end of the L-shaped rib plate connector is perpendicular to the ventral side plate portion rigidly supported by the roof beam.

In a preferred embodiment of the present invention, the wall frame columns and the roof beams are externally fixed with an outer enclosure structure system; the outer enclosure structure system includes a plurality of composite waterproof whole boards; each Both sides of the composite waterproof whole board are provided with undercuts; the undercuts of the two adjacent composite waterproof whole boards are attached to each other; the top of each composite waterproof whole board is provided with a drainage ditch (that is, the drainage structure of the roof panel) ).

In a preferred embodiment of the present invention, a thick rock wool insulation material is also arranged between the wall frame column, the roof beam and the composite waterproof whole board.

The present invention also discloses a prefabricated box building, which comprises a plurality of building standard modules according to claim 1; two adjacent building standard modules are connected to each other through vertical and horizontal connectors.

In a preferred embodiment of the present invention, partitions with doors that can be opened or closed are provided on the two building standard modules located at both ends of the prefabricated box building.

The beneficial effects of the present invention are: the present invention is simple in structure, easy to assemble and use, it adopts prefabricated buildings, factory prefabrication, on-site installation, short construction period, greatly reduces wet work, and has advantages compared with prefabricated buildings such as containers and board houses. Compared with the conventional reinforced concrete frame structure, although the initial investment is higher, it has the advantages of perfect building structure measures, high structural safety factor, and service life. However, considering the construction period, factory construction and recycling

and the operation and maintenance cost in the whole life cycle, etc., the present invention has low overall cost and obvious advantages;

The technical and economic comparison between the box building and the frame structure conventional building is shown in the table:

Description of drawings

Fig. 1 is a schematic diagram of a building standard module structure of a prefabricated box building according to an embodiment of the present invention;

Fig. 2 is a schematic diagram of a building standard module structure of a prefabricated box building according to an embodiment of the present invention;

Fig. 3 is a schematic diagram of a building standard module structure of a prefabricated box building according to an embodiment of the present invention;

Fig. 4 is a schematic diagram of the connection structure of two adjacent building standard modules of a prefabricated box building according to an embodiment of the present invention;

Fig. 5 is a front view of a building standard module of a prefabricated box building according to an embodiment of the present invention;

Fig. 6 is a structural schematic diagram of the roof beam connection relationship of a prefabricated box building according to an embodiment of the present invention;

Fig. 7 is a structural schematic diagram of the roof beam connection relationship of a prefabricated box building according to an embodiment of the present invention;

Fig. 8 is a schematic diagram of the wall frame column connection structure of a prefabricated box building according to an embodiment of the present invention;

Fig. 9 is a schematic diagram of the wall frame column connection structure of a prefabricated box building according to an embodiment of the present invention;

Fig. 10 is a schematic structural diagram of a prefabricated box building according to an embodiment of the present invention;

In the figure: 1-building standard module, 2-longitudinal horizontal connector, 1.1-bottom truss beam, 1.2-wall frame column, 1.3-roof beam, 1.2-1-U-shaped wall column, 1.2-2-U-shaped rigid support , 1.2-3-U-shaped diagonal brace, 1.3-1-U-shaped top guide beam, 1.3-2-roof beam rigid support.

detailed description

In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

It can be seen from the structural schematic diagram of a prefabricated box building shown in the accompanying drawings that the present invention includes a plurality of building standard modules 1, the upper structure of the building standard module 1 adopts a cold-formed thin-walled steel structure system, and the lower foundation adopts a strip foundation , wherein the cold-formed thin-walled steel system is mainly composed of two major systems: wall frame structure and roof system; two adjacent building standard modules 1 are connected to each other through longitudinal horizontal connectors 2; the cold-formed thin-walled steel structure is based on C Sectional steel and U-shaped steel are used as the basic structural components. The material is 0.60mm steel plate with metal protection layer as the component material. Its joints are not welded or bolted, but self-tapping screws are used, which is very convenient. Install and use of the present invention. The load-bearing wall of building standard module 1 is a wall frame structure, which is composed of wall frame columns, wall top beams, wall bottom beams, wall supports, wall panels and connectors. The wall frame column adopts LQ550 high-strength thin-wall cold-formed U-shaped steel, with a cross-section of 150x60x0.6mm and a spacing of 600mm; the wall top beam considers the needs of roof beam connection, adopts U-shaped steel 160x60x5mm, and the wall top beam adopts Q235-B grade steel. The wall structure panels are made of aluminum-magnesium-manganese composite panels. The bottom of the box adopts a strip foundation, that is, the structure is a cold-formed thin-walled steel plane truss system, and the empty layer combined with the cable routing needs to adopt an empty layer structure. This system can independently bear the load of indoor equipment. The height of the truss is 400mm, the span is 5400mm, and both ends are hinged with the wall frame columns. The upper and lower chords and webs of the truss are made of LQ550 high-strength thin-walled cold-formed U-shaped steel with a cross-section of 150x60x0.55mm. The roof beams match the building facade shape and the direction of internal equipment and pipelines, and high-frequency welded steel beams are used to replace thin-walled trusses, which meets the practical requirements for beautiful appearance and internal use of the building. At the same time, the structural bearing capacity and deformation meet the requirements of relevant specifications. The section of the frequency welded steel beam is H200x100x3.2x4.5, and the material is Q235-B. The structural connection positions between the boxes are all at the longitudinal horizontal members, and they are connected to each other by cold-formed thin-walled C-shaped steel fasteners.

According to the working conditions, multiple sequentially connected building standard modules 1 constitute the required box building. The enclosure structure of the box building adopts the aluminum-magnesium-manganese alloy composite panel system for the roof and outer walls, which reduces the on-site assembly process. The inner ceiling of the box structure is set LED light strips and indoor air ducts adopt a fan-shaped cross-section consistent with the arc-shaped corner scale and set up a warm air duct, which realizes factory integration of lighting, HVAC, fire alarm, security, image monitoring, etc.; building standard module 1 includes bottom truss beams 1.1 1. Wall frame columns 1.2 and roof beams 1.3; the wall frame columns 1.2 are arranged horizontally and longitudinally on both sides of the bottom truss beam 1.1; roof beams 1.3 are fixed to the upper end of wall frame columns 1.2; wall frame columns 1.2 and roof beams 1.3 Both are fixed with longitudinal and horizontal connectors 2; the wall frame columns 1.2 include vertically arranged U-shaped wall columns 1.2-1, horizontally arranged U-shaped rigid supports 1.2-2 and U-shaped diagonal braces 1.2-3; U-shaped wall columns 1.2-1 are arranged horizontally and vertically at intervals; U-shaped rigid supports 1.2-2 are arranged at intervals along the vertical direction and are fixedly connected with U-shaped wall columns 1.2-1; between U-shaped wall columns 1.2-1 and U-shaped rigid supports 1.2-2 It is estimated that there is a U-shaped diagonal brace 1.2-3 between them; the end of the U-shaped rigid support 1.2-2 is fixedly connected with a longitudinal horizontal connector 2; the longitudinal horizontal connector 2 is an L-shaped rib connector; one end of the L-shaped rib connector It is affixed to the top of the U-shaped rigid support 1.2-2; the other end of the L-shaped rib plate connector is arranged vertically downward to the top of the U-shaped rigid support 1.2-2; the roof beam 1.3 includes a U-shaped top guide beam 1.3- 1 and roof beam rigid support 1.3-2; U-shaped roof guide beams 1.3-1 are arranged at the upper end of wall frame columns 1.2 along the horizontal and longitudinal intervals; roof beam rigid supports 1.3 are fixed between two adjacent beam frame columns 1.3-1 -2; the end of the roof beam rigid support 1.3-2 is fixedly connected with a longitudinal horizontal connector 2; the U-shaped top guide beam 1.3-1 is spliced by two channel steels; the two ends of the U-shaped top guide beam 1.3-1 Both are fixedly connected with L-shaped rib connectors; one end of the L-shaped rib connector is fixedly connected with the web of the U-shaped top guide beam 1.3-1; the other end of the L-shaped rib connector is connected with the upper end surface of the wall frame column 1.2 Arranged in parallel; the longitudinal horizontal connector 2 is an L-shaped rib connector; one end of the L-shaped rib connector is fixedly connected to the ventral side of the roof beam rigid support 1.3-2; the other end of the L-shaped rib connector is perpendicular to The roof beam rigidly supports the ventral side of 1.3-2; the wall frame column 1.2 and the roof beam 1.3 are externally fixed with composite waterproof panels, and the waterproof panels are made of 0.9mm thick aluminum-magnesium-manganese alloy panels with a vertical 360° undercut system+ 0.5mm thick EPTFE polymer waterproof and breathable material; the top of the composite waterproof whole board is provided with a drainage ditch; thick rock wool insulation material is also arranged between the wall frame column 1.2 and the roof beam 1.3 and the composite waterproof whole board. , The roof enclosure structure system is covered with 75mm thick rock wool insulation material; the design roof heat transfer coefficient K=0.55W/(m ² ·K), the external wall heat transfer coefficient K=0.59W/(m ² ·K), Respectively meet the roof of Class B public buildings , The thermal performance limit of the external wall K≤0.55W/(m ² ·K), K≤0.60W/(m ² ·K) requires that the outer side of the steel keel is covered with rock wool insulation materials; the aluminum-magnesium-manganese alloy plate and The steel keels of the main structure are connected by T-shaped aluminum alloy supports with heat insulating pads at the bottom. The fan outlet adopts self-hanging aluminum alloy louvers, and the blades are painted with thermal insulation paint; the broken bridge aluminum alloy window frame is selected, and the light-transmitting material is LOW-E 3X/16mm polycarbonate three-layer board, which dissipates heat quickly and becomes a weak link in energy saving. In the equipment rooms that need to take thermal insulation measures, use thermal insulation class B steel fire doors, and fill in the middle with 15-18mm thick glass wool board or mineral wool board; the outside of the building standard module 1 located at both ends of the whole is estimated An open or closed door panel.

When using the present invention, the on-site box building assembly steps are as follows:

Step 1: Install and fix a building standard module 1;

Step 2: After assembling the first building standard module 1 module in place, remove 1 piece of external wall panel at the connection;

Step 3: The structural assembly and connection positions between the boxes are all at the longitudinal horizontal components, and they are connected to each other by cold-formed thin-walled L-shaped steel fasteners. The assembly structure is shown in the figure below; Joints are reserved at the ends of the "box building", which are directly connected by plugging during assembly; the joints of the indoor air ducts of the "box building" are made of soft connections; the reserved waterproof and breathable layer is lapped to the waterproof and breathable layer of the adjacent assembled box , lap width 300mm;

Step 4: After the two adjacent building standard modules 1 are assembled, seal the outer wall panels;

Step 5: Repeat the above steps 2 to 4 in turn until the installation of the box building is completed.

It should be understood that the above description is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art can easily think of Any changes or substitutions should fall within the protection scope of the present invention.

Claims (11)

1. A standard building module for prefabricated box building, characterized in that: said building standard module (1) comprises a steel frame structure system, an outer protective structure system, an interior partition wall and an antistatic floor; said steel An inner partition wall and an antistatic floor are arranged inside the frame structure system, and an outer protective structure system is arranged outside the steel frame structure system; a longitudinal horizontal connector (2) is arranged on one side of the steel frame structure system; the The steel frame structure system includes a bottom truss beam (1.1), a wall frame column (1.2) and a roof beam (1.3); the wall frame column (1.2) is arranged horizontally and longitudinally on both sides of the bottom truss beam (1.1); The roof beam (1.3) is fixedly connected to the upper end of the wall frame column (1.2); the wall frame column (1.2) and the roof beam (1.3) are fixedly connected with the longitudinal horizontal connector (2) . 2. A standard building module for prefabricated box buildings according to claim 1, characterized in that: said wall frame columns (1.2) include vertically arranged U-shaped wall columns (1.2-1), horizontal Arranged U-shaped rigid supports (1.2-2) and U-shaped diagonal braces (1.2-3); the U-shaped wall columns (1.2-1) are arranged horizontally and longitudinally at intervals; the U-shaped rigid supports (1.2-2) Arranged at intervals in the vertical direction and fixed to the U-shaped wall column (1.2-1); the estimated distance between the U-shaped wall column (1.2-1) and the U-shaped rigid support (1.2-2) The U-shaped diagonal brace (1.2-3); the end of the U-shaped rigid support (1.2-2) is fixedly connected with the longitudinal horizontal connector (2). 3. A standard building module for prefabricated box buildings according to claim 1, characterized in that: the longitudinal horizontal connector (2) is an L-shaped rib connector; the L-shaped rib connector One end of the piece is affixed to the top of the U-shaped rigid support (1.2-2), and the other end of the L-shaped rib connector is arranged vertically downwards perpendicular to the top of the U-shaped rigid support (1.2-2) . 4. A standard building module for prefabricated box buildings according to claim 2, characterized in that: said roof beams (1.3) include U-shaped top guide beams (1.3-1) and roof beam rigid supports ( 1.3-2); the U-shaped top guide beam (1.3-1) is arranged at the upper end of the wall frame column (1.2) along the horizontal and longitudinal intervals; two adjacent beam frame columns (1.3-1) are fixedly connected with The roof beam rigid support (1.3-2); the end of the roof beam rigid support (1.3-2) is fixedly connected with the longitudinal horizontal connector (2). 5. A standard building module for prefabricated box buildings according to claim 3, characterized in that: said U-shaped top guide beam (1.3-1) is spliced by two channel steels; said U Both ends of the top guide beam (1.3-1) are fixed with L-shaped rib connectors; one end of the L-shaped rib connector is fixed to the web of the U-shaped top guide beam (1.3-1). connected; the other end of the L-shaped rib plate connector is arranged parallel to the upper end surface of the wall frame column (1.2). 6. A standard building module for prefabricated box buildings according to claim 3, characterized in that: the longitudinal horizontal connector (2) is an L-shaped rib connector; the L-shaped rib connector One end of the piece is affixed to the ventral side plate of the roof beam rigid support (1.3-2); the other end of the L-shaped rib plate connector is perpendicular to the ventral side plate of the roof beam rigid support (1.3-2) department. 7. A standard building module for prefabricated box buildings according to claim 1, characterized in that: said wall frame columns (1.2) and said roof beams (1.3) are externally fixed with an outer protective structure system; the outer protective structure system includes a plurality of composite waterproof panels; each of the composite waterproof panels is provided with undercuts on both sides; the undercuts of the two adjacent composite waterproof panels are attached to each other . 8. A standard building module for prefabricated box buildings according to claim 6, characterized in that: the wall frame column (1.2), the roof beam (1.3) and the composite waterproof whole board The room is also provided with thick rock wool insulation material. 9. A standard building module for prefabricated box buildings according to claim 1, characterized in that: at least one side of the building standard module (1) is provided with a partition with a door that can be opened or closed . 10. A prefabricated box building, characterized in that: comprising a plurality of building standard modules (1) as claimed in claim 1; between two adjacent building standard modules (1) through vertical horizontal connectors (2) interconnected. 11. A prefabricated box building according to claim 10, characterized in that: the two building standard modules (1) located at both ends of the prefabricated box building are provided with partitions with doors that can be opened or closed. plate.