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CN211572084U - Assembled steel member wallboard for building structure - Google Patents

Assembled steel member wallboard for building structure Download PDF

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Publication number
CN211572084U
CN211572084U CN201922348467.6U CN201922348467U CN211572084U CN 211572084 U CN211572084 U CN 211572084U CN 201922348467 U CN201922348467 U CN 201922348467U CN 211572084 U CN211572084 U CN 211572084U
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CN
China
Prior art keywords
plate
plate body
bolt hole
board
wallboard
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Expired - Fee Related
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CN201922348467.6U
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Chinese (zh)
Inventor
杨帆
于立
张文军
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SHANDONG MACHINERY DESIGN INST
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SHANDONG MACHINERY DESIGN INST
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Priority to CN201922348467.6U priority Critical patent/CN211572084U/en
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Publication of CN211572084U publication Critical patent/CN211572084U/en
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Abstract

The utility model relates to the technical field of buildings, in particular to an assembled section steel component wallboard for a building structure, which comprises a plate body, wherein a concave plate is welded on one side of the plate body, a convex plate is welded on the other side of the plate body, the convex plate and the concave plate are arranged in a matched manner, a groove is arranged on one side of the concave plate away from the plate body, the surface of the convex plate is in sliding connection with the inner cavity of the groove, inserting blocks are welded on both sides of the top of the plate body, inserting grooves are arranged on both sides of the bottom of the plate body, and the inserting grooves and the inserting blocks are arranged in a; the utility model discloses a setting of plate body, notch board, flange, inserted block, slot and acoustic celotex board can make a plurality of plate bodies make up to make this steel member wallboard possess construction convenience's advantage, solved the design of making for whole that present steel construction wallboard is most simultaneously, the installation is under construction comparatively inconvenient, and the wallboard lacks certain syllable-dividing and heat preservation effect moreover, thereby has reduced the problem of comfort level of living.

Description

Assembled steel member wallboard for building structure
Technical Field
The utility model relates to a building technical field specifically is an equipment shaped steel component wallboard for building structure.
Background
The wallboard is a building material, and is a house structure of a bearing system consisting of a wall and a floor slab, wherein a bearing wall of the wallboard structure can be made of bricks, building blocks and prefabricated or cast-in-place concrete, and can be divided into a mixed structure, an assembled large-plate structure and a cast-in-place wallboard structure according to different used materials and construction methods.
The steel structure wallboard is adopted mostly to the in-process that the assembly type structure was being built, and current steel structure wallboard mostly makes the design for whole, and the erection construction is comparatively inconvenient, and the wallboard lacks certain syllable-dividing and heat preservation effect moreover to reduce the comfort level of living, we propose an equipment shaped steel component wallboard for building structure for this reason and solve this problem.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an equipment shaped steel component wallboard for building structure possesses construction convenience's advantage, has solved the design of making for whole that current steel construction wallboard is most, and the installation is comparatively inconvenient, and the wallboard lacks certain syllable-dividing and heat preservation effect moreover to the problem of comfort level of living has been reduced.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an equipment shaped steel component wallboard for building structure, the package rubbing board body, the welding of one side of plate body has the concave plate, the opposite side welding of plate body has the flange, flange and concave plate are supporting setting, one side that the plate body was kept away from to the concave plate is provided with the recess, the surface of flange and the inner chamber sliding connection of recess, the inserted block has all been welded to the both sides at plate body top, the slot has all been seted up to the both sides of plate body bottom, the slot is supporting setting with the inserted block, the inner chamber of slot is inserted to the inserted block, the inner chamber of plate body and the inboard parcel that is located the inserted block have the acoustic celotex board, the plate body includes metal framework, polymer cement base composite waterproof substrate, graphite polyphenyl heated board and fibre reinforcing calcium silicate board, the acoustic celotex board includes polymer mortar basic unit, glass fiber net cloth, polystyrene foam board and.
Preferably, the polymer cement-based composite waterproof substrate is arranged on the surface of the metal frame, the graphite polyphenyl insulation board is arranged on the surface of the polymer cement-based composite waterproof substrate, and the fiber reinforced calcium silicate board is arranged on the surface of the graphite polyphenyl insulation board.
Preferably, the glass fiber mesh cloth is arranged on the surface of the polymer mortar base layer, the polystyrene foam board is arranged on the surface of the glass fiber mesh cloth, and the extruded sheet is arranged on the surface of the polystyrene foam board.
Preferably, the metal frame, the polymer cement-based composite waterproof base material, the graphite polyphenyl heat-insulation board and the fiber reinforced calcium silicate board are all the same in thickness and are mutually bonded together.
Preferably, the polymer mortar base layer, the glass fiber mesh cloth, the polystyrene foam board and the extruded sheet have the same thickness and are bonded to each other.
Preferably, holes are formed in the surface of the graphite polyphenyl heat insulation board and distributed in a honeycomb shape, and salient points are arranged on the surface of the fiber reinforced calcium silicate board.
Preferably, first bolt holes are formed in the two sides of the bottom of the front face of the plate body, the first bolt holes extend to the inner cavity of the slot, second bolt holes corresponding to the first bolt holes are formed in the front face of the inserting block, and thread grooves are formed in the inner cavities of the first bolt holes and the second bolt holes.
Preferably, third bolt holes are formed in the upper ends and the lower ends of the front side and the rear side of the concave plate respectively, the third bolt holes extend to the inner cavity of the groove, fourth bolt holes corresponding to the third bolt holes are formed in the upper ends and the lower ends of the front side and the rear side of the convex plate respectively, and thread grooves are formed in the inner cavities of the third bolt holes and the fourth bolt holes.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. the utility model discloses a setting of plate body, notch board, flange, inserted block, slot and acoustic celotex board can make a plurality of plate bodies make up to make this steel member wallboard possess construction convenience's advantage, solved the design of making for whole that present steel construction wallboard is most simultaneously, the installation is under construction comparatively inconvenient, and the wallboard lacks certain syllable-dividing and heat preservation effect moreover, thereby has reduced the problem of comfort level of living.
2. The utility model discloses metal crate in the plate body can increase the holistic firm degree of plate body, and polymer cement base composite waterproof substrate adopts the polymer of unique technology processing, join in marriage and add the plasticizer, the improver, antiager and nano-material etc. make, owing to add into nano-material, make coating have superstrong water proofness, the impermeability, bonding strength is big, tensile strength is high, the performance is higher than other like products with the life-span, graphite polyphenyl heated board reaches B level (difficult fire), not only add the fire retardant that ordinary polyphenyl board fire prevention adopted (meet high temperature volatile), more because of the infrared reflector that mixes in the raw and other materials, and make fire behavior stronger, more reliable and more stable, and its insulating ability is stronger, equal effect cost of manufacture is lower, fiber reinforcement calcium silicate board adopts special technology to make. The calcium silicate board mainly having a mullite (CSH) crystal structure is produced by using silicon and calcium as main materials and performing treatments such as autoclaving, curing and surface polishing by using rolling and pressurizing skillful technologies, so that the calcium silicate board has the excellent characteristics of light weight, high strength, fire resistance, no smoke, water resistance, mildew resistance, moisture resistance, sound insulation, heat insulation, no deformation and no cracking.
3. The polymer mortar basic unit in the sound insulation board of the utility model has the characteristics of good waterproof and anti-permeability effect, high bonding strength, strong corrosion resistance, high humidity resistance, aging resistance and good freezing resistance, the glass fiber gridding cloth has the characteristics of good chemical stability, high strength, high modulus, light weight, good size stability, stiffness, flatness, difficult shrinkage and deformation, good positioning property, good toughness, anti-mildew, insect prevention, fire prevention, heat preservation, sound insulation and insulation, the polystyrene foam board is made of expandable polystyrene beads containing volatile liquid foaming agent, white objects which are heated and formed in a die after heating and pre-expansion, thus having excellent heat preservation performance, the extruded board is made of materials which are continuously extruded and foamed and formed by special processes, hard films formed on the surface of the extruded board are even and flat, the complete closed cell foaming inside the extruded board is continuous and even, a cellular structure is formed, thus having high pressure resistance, light weight, no water absorption, no air permeability, wear resistance and no degradation.
4. The utility model discloses the inside each level of plate body all bonds the pressfitting through the building sizing material that the construction is commonly used and is in the same place to guarantee the wholeness of plate body, the inside each level of acoustic celotex board all bonds the pressfitting through the building sizing material that the construction is commonly used and is in the same place, thereby guarantee the wholeness of acoustic celotex board.
5. The utility model discloses the hole has been seted up on graphite polyphenyl heated board's surface to the hole is cellular design, can block and absorb received sound wave, prevents the further transmission of sound wave, thereby has reached sound absorbing effect, and through the setting of bump, can provide convenience for the decoration of later stage wall, makes the better surface at fibre reinforcing calcium silicate board of adsorbing of various paints and decorative board.
6. The utility model discloses a setting of first bolt hole and second bolt hole can make the bolt pass the plate body and extend to the inside of inserted block, fastens the inserted block, can provide convenience for the upper and lower connection of plate body, through the setting of third bolt hole and fourth bolt hole, can make the bolt pass the concave plate and extend to the inside of flange, fastens concave plate and flange, can provide convenience for the connection of controlling of plate body.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a sectional view of the utility model;
FIG. 3 is a partial cross-sectional view of the baffle of the present invention;
fig. 4 is a partial sectional view of the plate body of the present invention.
In the figure: 1. a plate body; 101. a metal frame; 102. a polymer cement-based composite waterproof substrate; 103. a graphite polyphenyl thermal insulation board; 104. fiber-reinforced calcium silicate board; 2. a concave plate; 3. a convex plate; 4. inserting a block; 5. a slot; 6. a sound insulating board; 601. a polymeric mortar base layer; 602. glass fiber mesh cloth; 603. a polystyrene foam board; 604. extruding a plastic plate; 7. a first bolt hole; 8. a second bolt hole; 9. a third bolt hole; 10. a fourth bolt hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, an assembled steel member wallboard for building structure comprises a plate body 1, a concave plate 2 welded on one side of the plate body 1, a convex plate 3 welded on the other side of the plate body 1, the convex plate 3 and the concave plate 2 are arranged in a matching manner, a groove is arranged on one side of the concave plate 2 away from the plate body 1, the surface of the convex plate 3 is in sliding connection with the inner cavity of the groove, inserting blocks 4 are welded on both sides of the top of the plate body 1, inserting grooves 5 are arranged on both sides of the bottom of the plate body 1, the inserting grooves 5 and the inserting blocks 4 are arranged in a matching manner, the inserting blocks 4 are inserted into the inner cavity of the inserting grooves 5, an inner cavity of the plate body 1 and the inner side of the inserting blocks 4 are wrapped with sound insulation plates 6, the plate body 1 comprises a metal frame 101, a polymer cement-based composite waterproof base material 102, a graphite polyphenyl heat insulation plate 103 and a fiber reinforced calcium silicate plate 104, the sound, through the setting of plate body 1, concave plate 2, flange 3, inserted block 4, slot 5 and acoustic celotex board 6, can make a plurality of plate bodies 1 make up to make this steel member wallboard possess construction convenience's advantage, solved the design that current steel construction wallboard mostly makes for whole simultaneously, the erection joint is comparatively inconvenient, and the wallboard lacks certain syllable-dividing and heat preservation effect moreover, thereby has reduced the problem of comfort level of living.
In the embodiment, specifically, the polymer cement-based composite waterproof substrate 102 is arranged on the surface of the metal frame 101, the graphite polyphenyl insulation board 103 is arranged on the surface of the polymer cement-based composite waterproof substrate 102, the fiber reinforced calcium silicate board 104 is arranged on the surface of the graphite polyphenyl insulation board 103, the metal frame 101 in the board body 1 can increase the firmness of the whole board body 1, the polymer cement-based composite waterproof substrate 102 is made of a polymer processed by a unique technology, and a plasticizer, an improver, an anti-aging agent, a nano material and the like are added, so that the coating has super water resistance, permeability resistance, high bonding strength, high tensile strength and higher performance and service life than other similar products, the graphite polyphenyl insulation board 103 reaches the level B1 (flame resistance, not only is a flame retardant adopted by common polyphenyl board fire resistance added and is volatile when meeting high temperature, but also due to an infrared reflector mixed in raw materials, the fiber-reinforced calcium silicate board 104 has stronger fireproof performance, more stability and reliability, stronger heat insulation capability and lower manufacturing cost with the same effect, and is manufactured by adopting a special process. The calcium silicate board mainly comprising the mullite C5S6H5 crystal structure is produced by using silicon and calcium as main materials and performing treatments such as autoclaving maintenance, surface polishing and the like by using rolling and pressurizing skillful technologies, so that the calcium silicate board has the excellent characteristics of light weight, high strength, fire resistance, smoke resistance, water resistance, mildew resistance, moisture resistance, sound insulation, heat insulation, no deformation and no cracking.
In this embodiment, specifically, the glass fiber mesh cloth 602 is disposed on the surface of the polymer mortar base layer 601, the polystyrene foam board 603 is disposed on the surface of the glass fiber mesh cloth 602, the extruded sheet 604 is disposed on the surface of the polystyrene foam board 603, the polymer mortar base layer 601 in the sound insulation board 6 has the characteristics of good waterproof and anti-permeability effect, high bonding strength, strong corrosion resistance, high humidity resistance, aging resistance and good freezing resistance, the glass fiber mesh cloth 602 has the characteristics of good chemical stability, high strength, high modulus, light weight, good dimensional stability, stiffness, flatness, uneasy shrinkage deformation, good positioning property, good toughness, mildew resistance, insect resistance, fire resistance, heat preservation, sound insulation and insulation, the polystyrene foam board 603 is a white object which is formed by heating and pre-foaming expandable polystyrene beads containing a volatile liquid foaming agent in a mold, therefore, the extruded sheet 604 has excellent heat insulating performance, and the hard film formed on the surface of the extruded sheet is uniform and flat, and the inner part of the extruded sheet is completely closed and foamed continuously and uniformly to form a honeycomb structure, so that the extruded sheet has the characteristics of high compression resistance, light weight, no water absorption, no air permeability, wear resistance and no degradation.
In this embodiment, specifically, the metal frame 101, the polymer cement-based composite waterproof substrate 102, the graphite polyphenyl insulation board 103 and the fiber reinforced calcium silicate board 104 are all the same in thickness and are bonded together, and all levels inside the plate body 1 are bonded and pressed together through a construction common building glue, so that the integrity of the plate body 1 is ensured.
In this embodiment, specifically, the polymer mortar base layer 601, the glass fiber mesh cloth 602, the polystyrene foam board 603, and the extruded sheet 604 have the same thickness and are bonded together, and each layer inside the sound insulation board 6 is bonded and pressed together by the construction common building glue, so as to ensure the integrity of the sound insulation board 6.
In this embodiment, it is specific, the hole has been seted up on the surface of graphite polyphenyl heated board 103, and the hole is cellular distribution, fiber reinforcement calcium silicate board 104's surface is provided with the bump, the hole has been seted up on graphite polyphenyl heated board 103's surface, and the hole is cellular design, can block and absorb received sound wave, prevent the further transmission of sound wave, thereby reached sound absorbing effect, setting through the bump, can provide convenience for the decoration of later stage wall, make the better surface at fiber reinforcement calcium silicate board 104 of adsorbing of various paints and decorative board.
In this embodiment, specifically, first bolt hole 7 has all been seted up to the both sides of plate body 1 positive bottom, first bolt hole 7 extends to the inner chamber of slot 5, second bolt hole 8 corresponding with first bolt hole 7 is seted up in the front of inserted block 4, the inner chamber of first bolt hole 7 and second bolt hole 8 all is provided with the thread groove, setting through first bolt hole 7 and second bolt hole 8 can make the bolt pass plate body 1 and extend to the inside of inserted block 4, fasten inserted block 4, can provide convenience for the upper and lower connection of plate body 1.
In this embodiment, it is concrete, third bolt hole 9 has all been seted up at the upper and lower both ends of both sides around the concave plate 2, third bolt hole 9 extends to the inner chamber of recess, the upper and lower both ends of both sides all seted up around the convex plate 3 with the corresponding fourth bolt hole 10 of third bolt hole 9, the inner chamber of third bolt hole 9 and fourth bolt hole 10 all is provided with the thread groove, setting through third bolt hole 9 and fourth bolt hole 10, can make the bolt pass concave plate 2 and extend to the inside of convex plate 3, fasten concave plate 2 and convex plate 3, can provide convenience for connecting about the plate body 1.
The working principle is as follows: the wallboard is designed in a combined mode, an inserting block 4 at the top of a board body 1 is inserted into an inserting groove 5 at the bottom of an adjacent board body 1, a convex board 3 at the right side of the board body 1 is inserted into a concave board 2 at the left side of the adjacent board body 1, and finally, the whole installation is completed through fastening by bolts, a metal frame 101 in the board body 1 can increase the firmness of the whole board body 1, a polymer cement-based composite waterproof base material 102 is made of a polymer processed by a unique technology and matched with a plasticizer, an improver, an anti-aging agent, a nano material and the like, due to the addition of the nano material, the coating has super-strong water resistance, permeability resistance, high bonding strength, high tensile strength and higher performance and service life than other similar products, a graphite polyphenyl thermal insulation board 103 reaches B1 level (flame resistance, not only a flame retardant adopted by common polyphenyl board for fire prevention is added and is volatile when meeting high temperature, the fiber-reinforced calcium silicate board 104 has stronger fireproof performance, more stability and reliability, stronger heat insulation capability and lower manufacturing cost with the same effect, and is manufactured by adopting a special process. Silicon and calcium are used as main materials, and the calcium silicate board mainly comprising mullite C5S6H5 crystal structure is generated by pressing, steaming, maintaining, surface polishing and other treatment with skillful rolling and pressurizing technologies, so that the calcium silicate board has the excellent characteristics of light weight, high strength, fire resistance, no smoke, water resistance, mildew resistance, moisture resistance, sound insulation, heat insulation, no deformation and no cracking, a polymeric mortar base layer 601 in the sound insulation board 6 has the characteristics of good waterproof and anti-permeability effect, high bonding strength, strong corrosion resistance, high humidity resistance, aging resistance and good freezing resistance, a glass fiber grid cloth 602 has the characteristics of good chemical stability, high strength, high modulus, light weight, good dimensional stability, stiffness, flatness, difficult shrinkage deformation, good positioning property, good toughness, mildew resistance, insect prevention, fire resistance, heat preservation, sound insulation and insulation, a polystyrene foam board 603 is made of expandable polystyrene beads containing volatile liquid foaming agent, after heating and pre-foaming, a white object is heated and formed in a mould, so that the extruded sheet 604 has excellent heat preservation performance, and is continuously extruded to form a foaming material through a special process, the hard film formed on the surface is even and flat, the inner part is completely closed and foamed continuously and evenly to form a honeycomb structure, therefore, the graphite polyphenyl insulation board has the characteristics of high compression resistance, light weight, no water absorption, no air permeability, wear resistance and no degradation, and simultaneously the surface of the graphite polyphenyl insulation board 103 is provided with holes, and the holes are designed in a honeycomb shape, so that the received sound waves can be blocked and absorbed, the sound waves are prevented from being further transmitted, thereby reached the sound effect of inhaling, through the setting of bump, can provide convenience for the decoration of later stage wall, make the better absorption in fibre reinforcement calcium silicate board 104 surface of various paints and decorative board to make this steel member wallboard possess construction convenience's advantage, be worth very much promoting.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. The utility model provides an equipment shaped steel component wallboard for building structure, includes plate body (1), its characterized in that: the novel water-proof heat-insulating plate is characterized in that a concave plate (2) is welded on one side of the plate body (1), a convex plate (3) is welded on the other side of the plate body (1), the convex plate (3) and the concave plate (2) are arranged in a matched mode, a groove is formed in one side, away from the plate body (1), of the concave plate (2), the surface of the convex plate (3) is in sliding connection with an inner cavity of the groove, inserting blocks (4) are welded on two sides of the top of the plate body (1), inserting grooves (5) are formed in two sides of the bottom of the plate body (1), the inserting grooves (5) and the inserting blocks (4) are arranged in a matched mode, the inserting blocks (4) are inserted into the inner cavity of the inserting grooves (5), a sound-insulating plate (6) wraps the inner cavity of the plate body (1) and the inner side, located on the inserting blocks (4), of the plate body (1) comprises a metal frame (101), a polymer, the sound insulation board (6) comprises a polymer mortar base layer (601), glass fiber mesh cloth (602), a polystyrene foam board (603) and an extruded sheet (604).
2. The assembled steel structural member wall panel for building structures according to claim 1, wherein: the polymer cement-based composite waterproof base material (102) is arranged on the surface of the metal frame (101), the graphite polyphenyl heat-insulation board (103) is arranged on the surface of the polymer cement-based composite waterproof base material (102), and the fiber reinforced calcium silicate board (104) is arranged on the surface of the graphite polyphenyl heat-insulation board (103).
3. The assembled steel structural member wall panel for building structures according to claim 1, wherein: the glass fiber mesh cloth (602) is arranged on the surface of the polymer mortar base layer (601), the polystyrene foam board (603) is arranged on the surface of the glass fiber mesh cloth (602), and the extruded sheet (604) is arranged on the surface of the polystyrene foam board (603).
4. The assembled steel structural member wall panel for building structures according to claim 1, wherein: the metal frame (101), the polymer cement-based composite waterproof base material (102), the graphite polyphenyl heat-insulating plate (103) and the fiber reinforced calcium silicate plate (104) are all the same in thickness and are mutually bonded together.
5. The assembled steel structural member wall panel for building structures according to claim 1, wherein: the polymer mortar base layer (601), the glass fiber mesh cloth (602), the polystyrene foam board (603) and the extruded sheet (604) are the same in thickness and are mutually bonded together.
6. The assembled steel structural member wall panel for building structures according to claim 1, wherein: holes are formed in the surface of the graphite polyphenyl heat insulation board (103), the holes are distributed in a honeycomb shape, and salient points are arranged on the surface of the fiber reinforced calcium silicate board (104).
7. The assembled steel structural member wall panel for building structures according to claim 1, wherein: first bolt hole (7) have all been seted up to the both sides of plate body (1) positive bottom, first bolt hole (7) extend to the inner chamber of slot (5), second bolt hole (8) corresponding with first bolt hole (7) have been seted up in the front of inserted block (4), the inner chamber of first bolt hole (7) and second bolt hole (8) all is provided with the thread groove.
8. The assembled steel structural member wall panel for building structures according to claim 1, wherein: third bolt hole (9) have all been seted up at the upper and lower both ends of both sides around concave plate (2), third bolt hole (9) extend to the inner chamber of recess, fourth bolt hole (10) corresponding with third bolt hole (9) have all been seted up at the upper and lower both ends of both sides around flange (3), the inner chamber of third bolt hole (9) and fourth bolt hole (10) all is provided with the thread groove.
CN201922348467.6U 2019-12-24 2019-12-24 Assembled steel member wallboard for building structure Expired - Fee Related CN211572084U (en)

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Application Number Priority Date Filing Date Title
CN201922348467.6U CN211572084U (en) 2019-12-24 2019-12-24 Assembled steel member wallboard for building structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922348467.6U CN211572084U (en) 2019-12-24 2019-12-24 Assembled steel member wallboard for building structure

Publications (1)

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CN211572084U true CN211572084U (en) 2020-09-25

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115822122A (en) * 2022-10-13 2023-03-21 广东一新长城建筑集团有限公司 Energy-conserving assembled light steel wall connection structure of building
CN118375243A (en) * 2024-06-24 2024-07-23 内蒙古工业大学 Cavity connection structure of assembled module wall body and building frame

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115822122A (en) * 2022-10-13 2023-03-21 广东一新长城建筑集团有限公司 Energy-conserving assembled light steel wall connection structure of building
CN118375243A (en) * 2024-06-24 2024-07-23 内蒙古工业大学 Cavity connection structure of assembled module wall body and building frame

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Granted publication date: 20200925

Termination date: 20211224