CN115095026B - Mortise and tenon joint formula connection structure suitable for integrated house of steel construction box-type - Google Patents
Mortise and tenon joint formula connection structure suitable for integrated house of steel construction box-type Download PDFInfo
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- CN115095026B CN115095026B CN202210685441.4A CN202210685441A CN115095026B CN 115095026 B CN115095026 B CN 115095026B CN 202210685441 A CN202210685441 A CN 202210685441A CN 115095026 B CN115095026 B CN 115095026B
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- corner piece
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 70
- 239000010959 steel Substances 0.000 title claims abstract description 70
- 238000010276 construction Methods 0.000 title description 9
- 230000003014 reinforcing effect Effects 0.000 abstract description 4
- 230000007613 environmental effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- 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
-
- 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
-
- 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
- E04B1/34384—Assembling details for foldable, separable, collapsible or retractable structures
-
- 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
- E04B1/38—Connections for building structures in general
- E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
- E04B1/4114—Elements with sockets
- E04B1/4121—Elements with sockets with internal threads or non-adjustable captive nuts
-
- 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
- E04B1/38—Connections for building structures in general
- E04B1/48—Dowels, i.e. members adapted to penetrate the surfaces of two parts and to take the shear stresses
- E04B1/49—Dowels, i.e. members adapted to penetrate the surfaces of two parts and to take the shear stresses with self-penetrating parts, e.g. claw dowels
-
- 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
- E04B1/38—Connections for building structures in general
- E04B1/541—Joints substantially without separate connecting elements, e.g. jointing by inter-engagement
-
- 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
- E04B1/38—Connections for building structures in general
- E04B1/58—Connections for building structures in general of bar-shaped building elements
- E04B2001/5881—Connections for building structures in general of bar-shaped building elements using an undercut groove, e.g. dovetail groove
-
- 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
- E04B1/38—Connections for building structures in general
- E04B1/58—Connections for building structures in general of bar-shaped building elements
- E04B2001/5887—Connections for building structures in general of bar-shaped building elements using connectors with sockets
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The invention discloses a mortise and tenon joint type connecting structure suitable for a steel structure box type integrated house, which comprises a rectangular steel pipe upper-layer column, a rectangular steel pipe lower-layer column, a rectangular steel pipe upper-layer floor beam, a rectangular steel pipe lower-layer ceiling beam, a cross-shaped base plate, an upper-layer mortise and tenon joint piece, a lower-layer mortise and tenon joint piece, an upper-layer mortise and tenon joint piece, a universal mortise and tenon joint piece and fastening bolts. The backing plate is provided with high-strength bolt holes and fastener holes, and the upper floor beam and the lower floor beam are provided with high-strength bolt holes and reserved reinforcing grooves. The upper floor beam of the upper-layer box-type house is connected with the ceiling beam of the lower-layer box-type house through the high-strength bolt and the base plate, and meanwhile, the upper and lower tenon-and-mortise corner pieces are fixedly connected through a tenon-and-mortise principle, so that the tenon-and-mortise type connecting node suitable for the steel structure box-type integrated house is finally formed. The invention has wide application prospect in the multi-story and high-rise steel structure box type integrated house.
Description
Technical Field
The invention relates to the field of modular steel structure house design in the construction industry, in particular to a mortise and tenon type connecting structure suitable for a steel structure box type integrated house.
Background
The modular steel structure building has the advantages of high factory degree, short construction period, reliable quality, less field wet operation, environmental protection and the like. The steel structure box type integrated house is a more highly modularized steel structure building, and is increasingly sought by owners and designers in recent years.
For the steel structure box type integrated house, the reliable connection among the box type units is the key for ensuring the structure safety, the connection among the general box type units has the characteristic of multi-beam and multi-column, and if eight box type modules on the upper layer and the lower layer are assembled, the central column can form eight-column sixteen-beam. The connecting node is unreliable in the existing structure, and can not ensure that each structural module is assembled to form an integral structure and can not ensure that the horizontal load and the vertical load of the structure are effectively transmitted.
Disclosure of Invention
Aiming at the prior art, the invention aims to provide a mortise and tenon type connecting structure suitable for a steel structure box type integrated house.
The technical scheme is as follows: a mortise and tenon joint type connecting structure suitable for a steel structure box type integrated house comprises an upper-layer mortise and tenon corner piece, a lower-layer mortise and tenon corner piece, an upper-layer mortise and tenon corner piece, a lower-layer mortise and tenon corner piece and a plurality of universal mortise and tenon corner pieces;
rectangular steel pipe upper floor beams are welded on two sides of the upper-layer mortise corner piece, the upper-layer mortise corner piece and the common mortise corner piece on the same layer, rectangular steel pipe upper-layer columns are welded on the upper ends of the upper-layer mortise corner piece, the upper-layer mortise corner piece and the common mortise corner piece on the same layer, rectangular steel pipe lower ceiling beams are welded on two sides of the lower-layer mortise corner piece, the lower-layer mortise corner piece and the common mortise corner piece on the same layer, and rectangular steel pipe lower-layer columns are welded on the lower ends of the lower-layer mortise corner piece, the lower-layer mortise corner piece and the common mortise corner piece on the same layer;
the upper-layer mortise and tenon corner piece and the lower-layer mortise and tenon corner piece are respectively disassembled and connected to the same general mortise and tenon corner piece, the upper-layer mortise and tenon corner piece is inserted and connected into the upper-layer mortise and tenon corner piece, the lower-layer mortise and tenon corner piece is inserted and connected into the lower-layer mortise and tenon corner piece, and the rectangular steel pipe upper-layer floor beam is connected with the rectangular steel pipe lower-layer ceiling beam through high-strength bolts and threads.
Preferably, be equipped with the cross backing plate between rectangle steel pipe upper floor board roof beam and the rectangle steel pipe lower floor ceiling roof beam, a plurality of first bolt holes and fastener hole have been seted up on the cross backing plate, with first bolt hole position corresponds be equipped with the second bolt hole on rectangle steel pipe upper floor board roof beam and the rectangle steel pipe lower floor ceiling roof beam, high strength bolt passes through first bolt hole with second bolt hole bolted connection rectangle steel pipe upper floor board roof beam cross backing plate with rectangle steel pipe lower floor ceiling roof beam, one side of high strength bolt rectangle steel pipe upper floor board roof beam with it consolidates the groove all still to have seted up the reservation on the rectangle steel pipe lower floor ceiling roof beam.
Preferably, the width of the cross-shaped base plate is at least twice of the width of the rectangular steel pipe upper floor beam or the rectangular steel pipe lower ceiling beam.
Preferably, first entrance to a cave has all been opened to upper tenon angle spare with the bottom of upper mortise angle spare, lower floor's tenon angle spare with cylindrical fastener has all been welded at the top of lower mortise angle spare, the diameter of first entrance to a cave with the diameter in fastener hole is the same, cylindrical fastener runs through cross backing plate inserts in the first entrance to a cave.
Preferably, the upper mortise corner piece and the lower mortise corner piece are welded on two sides respectively and are provided with a large tenon component, small tenon components are welded on the large tenon components, the upper mortise corner piece and the lower mortise corner piece are welded on two sides respectively, a second hole is formed in the mortise component, and the small tenon components are inserted into the second hole.
Preferably, each universal mortise corner piece is provided with a rectangular hole, the large tenon component is inserted into the rectangular hole, and the height difference between the short edge of one side of the universal mortise corner piece and the long edge of the other side of the universal mortise corner piece is equal to the thickness of the mortise corner piece.
Preferably, the width of the large tenon component is equal to the length of the small tenon component, the center line of the small tenon component in the length direction is superposed with the center line of the large tenon component in the width direction, the height of the second hole is equal to the height of the small tenon component, and the small tenon component is inserted into the second hole.
Has the advantages that: the mortise and tenon type connecting node of the steel structure box type house is concise in form and convenient to assemble, all parts of the node are processed and manufactured in a factory, and the industrialization degree is high; the box-type units are simply assembled on a construction site just like building blocks, and the anchoring among the box-type units can be completed through simple tools such as a force measuring wrench, so that the construction method has the advantages of high construction speed, easiness in construction quality control and environmental friendliness. The mortise and tenon type connecting node has good application prospect in a steel structure box type integrated house due to excellent assembling efficiency and good mechanical property.
Drawings
FIG. 1 is an overall exploded view of a mortise and tenon joint according to the present invention;
FIG. 2 is an exploded view of a corner fitting of the mortise and tenon joint of the present invention;
FIG. 3 is a schematic view of a cross-shaped backing plate of the mortise and tenon joint of the invention;
FIG. 4 is a schematic view of an upper-layer corner tenon of the mortise-tenon joint of the present invention;
FIG. 5 is a schematic view of a lower mortise and tenon joint according to the present invention;
FIG. 6 is a schematic view of an upper-level mortise corner fitting of the mortise-tenon type connecting node of the invention;
FIG. 7 is a schematic view of a lower-layer mortise and tenon joint of the invention;
FIG. 8 is a schematic view of a universal mortise and tenon joint according to the present invention.
In the figure: 1-rectangular steel pipe upper-layer column, 2-rectangular steel pipe lower-layer column, 3-rectangular steel pipe upper-layer floor beam, 4-rectangular steel pipe lower-layer ceiling beam, 5-cross-shaped base plate, 6-upper-layer corner piece, 7-lower-layer corner piece, 8-upper-layer corner piece, 9-lower-layer corner piece, 10-general corner piece, 11-high-strength bolt, 12-cylindrical fastener, 13-first bolt hole, 14-fastener hole, 15-second bolt hole, 16-reserved reinforcing groove, 17-first hole, 18-large tenon part, 19-small tenon part, 20-mortise part, 21-second hole, 22-rectangular hole, 23-general corner piece short side and 24-general corner piece long side.
Detailed Description
The invention is further explained below with reference to the drawings.
The present invention is further illustrated by the following specific examples, which are intended to be illustrative, not limiting and are not intended to limit the scope of the invention.
As shown in fig. 1, a mortise and tenon joint formula connection structure suitable for integrated house of steel construction box-type, including rectangle steel pipe upper strata post 1, rectangle steel pipe lower floor post 2, rectangle steel pipe upper floor roof beam 3, rectangle steel pipe lower floor ceiling roof beam 4, cross backing plate 5, upper tenon corner fittings 6, lower floor tenon corner fittings 7, upper mortise corner fittings 8, lower floor's mortise corner fittings 9, general mortise corner fittings 10, high strength bolt 11.
The top side and the bottom side of the rectangular steel pipe upper floor beam 3 and the rectangular steel pipe lower floor ceiling beam 4 are provided with second bolt holes 15, and the side surfaces are provided with reserved reinforcing grooves 16, so that bolt connection is facilitated.
As shown in fig. 3, a first bolt hole 13 and a fastener hole 14 are formed in the cross-shaped backing plate 5, and during assembly, the high-strength bolt 11 penetrates through a second bolt hole 15 of the rectangular steel pipe upper floor beam, a first bolt hole of the cross-shaped backing plate and a second bolt hole 15 of the rectangular steel pipe lower floor ceiling beam, and is finally fixed in the reserved reinforcing groove 16 through a nut. The cylindrical clamping piece 12 penetrates through a clamping piece hole 14 formed in the cross-shaped base plate 5 and is embedded into the first hole 17, so that the good lateral rigidity of the node is guaranteed.
As shown in fig. 4, the tenon angle part at the upper layer is welded with a big tenon part 18 and a small tenon part 19, and the bottom of the big tenon part is provided with a first hole 17; as shown in fig. 5, a tenon part 18 and a small tenon part 19 are welded on the lower tenon angle part, and a cylindrical clamping piece 12 is welded on the top of the lower tenon angle part; as shown in fig. 6, a mortise component 20 is welded on the side surface of the upper-layer mortise corner piece, a second hole 21 is formed in the mortise component, and a first hole 17 is formed in the bottom of the upper-layer mortise corner piece; as shown in fig. 7, a mortise component 20 is welded on the side surface of the lower-layer mortise corner component, a second hole 21 is formed in the mortise component, and a cylindrical clamping piece 12 is welded on the top of the lower-layer mortise corner component; as shown in fig. 8, a universal mortise and corner piece opening 22 is formed in the universal mortise and corner piece. When the mortise-tenon type nodes are assembled, the large tenon part 18 of the mortise-tenon corner fitting on the upper layer is inserted into the hole 22 of the universal mortise-tenon corner fitting on the upper layer, the mortise part 20 of the mortise-tenon corner fitting on the upper layer is inserted along the short edge 23 of the universal mortise-tenon corner fitting on the upper layer, and the small tenon part 19 of the mortise-tenon corner fitting on the upper layer is inserted into the second hole 21 of the mortise-tenon corner fitting on the upper layer, so that the connection of the mortise-tenon corner fitting on the upper layer is completed; the large tenon part 18 of the lower-layer mortise corner piece is inserted into the hole 22 of the lower-layer universal mortise corner piece, the mortise part 20 of the lower-layer mortise corner piece is inserted along the short edge 23 of the lower-layer universal mortise corner piece, and the small tenon part 19 of the lower-layer mortise corner piece is inserted into the second hole 21 of the lower-layer mortise corner piece, so that the connection of the lower-layer corner piece is completed; the cylindrical clamping piece of the lower-layer mortise corner piece 7 and the cylindrical clamping piece of the lower-layer mortise corner piece 9 are distributed and inserted into the clamping piece hole of the upper-layer mortise corner piece 8 and the clamping piece hole of the upper-layer mortise corner piece 6, and the upper-layer mortise corner piece and the lower-layer mortise corner piece are fixed.
In addition, according to the splicing mode of the steel structure box type integrated house, the mortise and tenon corner pieces at the upper layer and the lower layer can be correspondingly cut to adapt to the connection requirements among different numbers of box type module units, for example, only the connection of the upper box type unit and the lower box type unit is carried out, and the like.
The assembly sequence can be briefly described as follows:
hoisting and placing a lower layer of box-type unit module → a lower layer of mortise and tenon corner piece, mortise and tenon connection of the lower layer of mortise and tenon corner piece and a lower layer of universal mortise and tenon corner piece → a cross-shaped base plate → hoisting and placing an upper layer of box-type unit module → inserting a cylindrical clamping piece on the lower layer of mortise and tenon corner piece into a clamping piece hole at the bottom of the upper layer of mortise and tenon corner piece → mortise connection of the upper layer of mortise and tenon corner piece and the upper layer of universal mortise and tenon corner piece → fixing an upper layer floor beam and a lower layer of ceiling beam of the upper layer and lower layer of box-type unit module through high-strength bolts → hoisting and placing a second layer of box-type unit, and the steps are repeated until the whole structure installation is completed.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and amendments can be made without departing from the principle of the present invention, and these modifications and amendments should also be considered as the protection scope of the present invention.
Claims (5)
1. The mortise and tenon joint type connecting structure suitable for the steel structure box type integrated house is characterized by comprising an upper-layer mortise and tenon joint corner piece (6), a lower-layer mortise and tenon joint corner piece (7), an upper-layer mortise and tenon joint corner piece (8), a lower-layer mortise and tenon joint corner piece (9) and a plurality of universal mortise and tenon joint corner pieces (10);
rectangular steel pipe upper floor beams (3) are welded to two sides of the upper-layer mortise corner piece (6), the upper-layer mortise corner piece (8) and the same-layer general mortise corner piece (10), rectangular steel pipe upper-layer columns (1) are welded to the upper ends of the upper-layer mortise corner piece (6), the upper-layer mortise corner piece (8) and the same-layer general mortise corner piece (10), rectangular steel pipe lower-layer ceiling beams (4) are welded to two sides of the lower-layer mortise corner piece (7), the lower-layer mortise corner piece (9) and the same-layer general mortise corner piece (10), and rectangular steel pipe lower-layer columns (2) are welded to the lower ends of the lower-layer mortise corner piece (7), the lower-layer mortise corner piece (9) and the same-layer general mortise corner piece (10);
the upper-layer mortise corner piece (6) and the lower-layer mortise corner piece (7) are respectively detachably connected to a common mortise corner piece (10) on the same layer, the upper-layer mortise corner piece (6) is inserted into and connected with the upper-layer mortise corner piece (8), the lower-layer mortise corner piece (7) is inserted into and connected with the lower-layer mortise corner piece (9), and the rectangular steel pipe upper-layer floor beam (3) is in threaded connection with the rectangular steel pipe lower-layer ceiling beam (4) through a high-strength bolt (11);
big tenon parts (18) are welded on two sides of the upper-layer tenon corner part (6) and the lower-layer tenon corner part (7), small tenon parts (19) are welded on the big tenon parts (18), mortise parts (20) are welded on two sides of the upper-layer mortise corner part (8) and the lower-layer mortise corner part (9), a second hole (21) is formed in the mortise part (20), and the small tenon parts (19) are inserted into the second hole (21);
every all seted up rectangle entrance to a cave (22) on general fourth of twelve earthly branches spare (10), big tenon part (18) insert rectangle entrance to a cave (22), the difference in height of general fourth of twelve earthly branches spare minor face (23) and the general fourth of twelve earthly branches spare long side (24) of opposite side of general fourth of twelve earthly branches spare (10) one side with the thickness of fourth of twelve earthly branches part (20) equals.
2. The mortise and tenon joint type connecting structure suitable for steel structure box-type integrated house of claim 1, characterized in that, be equipped with cross backing plate (5) between rectangle steel pipe upper floor beam (3) and rectangle steel pipe lower floor ceiling beam (4), a plurality of first bolt holes (13) and fastener hole (14) have been seted up on cross backing plate (5), with first bolt hole (13) position corresponds be equipped with second bolt hole (15) on rectangle steel pipe upper floor beam (3) and rectangle steel pipe lower floor ceiling beam (4), high strength bolt (11) pass through first bolt hole (13) with second bolt hole (15) bolted connection rectangle steel pipe upper floor beam (3), cross backing plate (5) and rectangle steel pipe ceiling lower floor beam (4), one side of high strength bolt (11) rectangle steel pipe upper floor beam (3) and rectangle steel pipe lower floor ceiling beam (4) all have still seted up on the reservation reinforced groove (16).
3. The mortise and tenon joint type connecting structure suitable for the steel structure box type integrated house according to claim 2, wherein the width of the cross-shaped backing plate (5) is at least twice as wide as the width of the rectangular steel pipe upper floor beam (3) or the rectangular steel pipe lower floor ceiling beam (4).
4. The mortise and tenon joint type connecting structure suitable for the steel structure box type integrated house according to claim 3, wherein the bottom of the upper mortise and tenon joint part (6) and the bottom of the upper mortise and tenon joint part (8) are both provided with first holes (17), the top of the lower mortise and tenon joint part (7) and the top of the lower mortise and tenon joint part (9) are both welded with cylindrical clamping pieces (12), the diameter of the first hole (17) is the same as that of the clamping piece hole (14), and the cylindrical clamping pieces (12) penetrate through the cross-shaped base plate (5) and are inserted into the first holes (17).
5. The mortise and tenon type connecting structure suitable for the steel structure box type integrated house according to claim 4, wherein the width of the large tenon member (18) is equal to the length of the small tenon member (19), the central line of the small tenon member (19) in the length direction coincides with the central line of the large tenon member (18) in the width direction, the height of the second hole (21) is equal to the height of the small tenon member (19), and the small tenon member (19) is inserted into the second hole (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210685441.4A CN115095026B (en) | 2022-06-15 | 2022-06-15 | Mortise and tenon joint formula connection structure suitable for integrated house of steel construction box-type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210685441.4A CN115095026B (en) | 2022-06-15 | 2022-06-15 | Mortise and tenon joint formula connection structure suitable for integrated house of steel construction box-type |
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| Publication Number | Publication Date |
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| CN115095026A CN115095026A (en) | 2022-09-23 |
| CN115095026B true CN115095026B (en) | 2023-04-07 |
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| JP2544103B2 (en) * | 1985-10-31 | 1996-10-16 | 學 小田 | Nail driving method and nail fixing structure |
| CN107503440B (en) * | 2017-08-07 | 2019-06-07 | 苏州智绿建筑工程有限公司 | For 3 dimension boxlike structure with assembled lightweight steel multi-module structures and its connection type |
| CN111851749B (en) * | 2020-08-18 | 2022-01-11 | 常熟雅致模块化建筑有限公司 | High-stability temporary building convenient to disassemble |
| CN114562040A (en) * | 2022-04-07 | 2022-05-31 | 中建八局第四建设有限公司 | Modular steel frame outer sleeve connecting device and connecting method thereof |
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