CN112376974A - Assembled steel construction beam column node system - Google Patents

Assembled steel construction beam column node system Download PDF

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Publication number
CN112376974A
CN112376974A CN202011281602.0A CN202011281602A CN112376974A CN 112376974 A CN112376974 A CN 112376974A CN 202011281602 A CN202011281602 A CN 202011281602A CN 112376974 A CN112376974 A CN 112376974A
Authority
CN
China
Prior art keywords
column
plate
node
fixedly connected
columns
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202011281602.0A
Other languages
Chinese (zh)
Inventor
刘学春
任明学
胡秭赫
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing University of Technology
China Railway Construction Group Co Ltd
Beijing Engineering Co Ltd of China Railway Construction Group Co Ltd
Original Assignee
Beijing University of Technology
China Railway Construction Group Co Ltd
Beijing Engineering Co Ltd of China Railway Construction Group Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Beijing University of Technology, China Railway Construction Group Co Ltd, Beijing Engineering Co Ltd of China Railway Construction Group Co Ltd filed Critical Beijing University of Technology
Priority to CN202011281602.0A priority Critical patent/CN112376974A/en
Publication of CN112376974A publication Critical patent/CN112376974A/en
Pending legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04HBUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H9/00Buildings, or groups of buildings, or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake, extreme climate
    • E04H9/02Buildings, or groups of buildings, or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake, extreme climate withstanding earthquake or sinking of ground
    • E04H9/021Bearing, supporting or connecting constructions specially adapted for such buildings
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62Insulation or other protection; Elements or use of specified material therefor
    • E04B1/92Protection against other undesired influences or dangers
    • E04B1/98Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04HBUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H9/00Buildings, or groups of buildings, or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake, extreme climate
    • E04H9/02Buildings, or groups of buildings, or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake, extreme climate withstanding earthquake or sinking of ground
    • E04H9/024Structures with steel columns and beams

Abstract

The invention discloses an assembled steel structure beam column node system, which belongs to the technical field of steel structures and comprises at least four upright columns, wherein two different nodes are stacked on the upright columns and optimally arranged from stress, and the two different nodes are alternately adopted in the steel structure system, namely, the number of the disconnected upright columns on the same height layer is not more than 50 percent of the total number of the upright columns, so that the safety degree and the rigidity of the steel structure system are increased, and the lateral movement is reduced; beam columns are arranged between nodes of adjacent upright columns at the same height; the bolts are used for fixedly connecting the beam column to the upright columns; wherein, all the rigid couplings have connecting device on the node of stand, and connecting device passes through bolt and beam column fixed connection. The upright column and the beam are connected by the bolt, so that the design adopts full bolt connection, no welding operation is carried out on site, the construction is convenient, the operation of workers is convenient, the assembly speed is high, the quality is easy to ensure, and the site is fast assembled.

Description

Assembled steel construction beam column node system
Technical Field
The invention belongs to the technical field of steel structures, and particularly relates to an assembly type steel structure beam column joint system.
Background
The application of fabricated buildings is continuously popularized by the nation. The assembly type construction can be realized by prefabricating all components in a factory and transporting the components to a field for construction, so that the production efficiency is high, the quality is good, the environmental pollution is reduced, and the construction efficiency is improved. The assembly type building construction speed is higher, the labor intensity and time of workers are greatly reduced, and the cross operation is convenient and orderly; each procedure in building assembly can check the precision of the equipment like equipment installation so as to ensure the quality of building construction; the noise is reduced during the construction, the material stacking place is reduced, and the environment protection is facilitated. Due to the factory production and the standard assembly on the spot, the house construction cost is reduced, and the requirements of indoor equipment installation and decoration and fitment are easily met. It can be said that many advantages of the fabricated building are incomparable with those of the conventional building.
The beam-column node is the most important node in an assembly type steel structure system, and directly influences the construction speed and the assembly degree of the structure, so the beam-column node should adopt high-strength bolts which are convenient to operate as much as possible for connection, and the arrangement of the bolts should be easy for workers to fasten on site as possible, and the beam-column node adopted in the existing engineering example has the following defects: in the traditional beam-column all-welded joint, the upper and lower flanges of the beam and the web are welded with the column on site, although the connection mode is rigid connection, the joint has poor ductility, brittle failure easily occurs in an earthquake, and the welding on site is needed, so that the construction speed and quality are greatly influenced, and meanwhile, because the welding area is large, larger residual stress is easily generated, and the stress performance of the joint is influenced. In the traditional bolting and welding hybrid connection node, the upper flange and the lower flange of the beam end are welded with the column on site, and the web plate of the beam end is bolted with the column through the shear plate.
Disclosure of Invention
Aiming at the problems of welding of the beam-column joint, the invention provides an assembly type steel structure beam-column joint system.
The invention discloses an assembly type steel structure beam column joint system which comprises at least four upright columns, wherein two joints are stacked on the upright columns;
beam columns are arranged between the nodes of the adjacent upright columns at the same height; and
the bolts are used for fixedly connecting the beam column to the upright columns;
the joints of the upright columns are fixedly connected with connecting devices, and the connecting devices are fixedly connected with the beam columns through bolts.
Preferably, the connecting device comprises a flange plate which surrounds the node for one circle and is fixedly connected to the node and a cover plate connected with the upright post, and the flange plate, the cover plate and the beam column are fixedly connected through the bolts.
Preferably, the cover plate is provided with an extension plate correspondingly connected with the beam column.
Preferably, the connecting device further comprises a connecting plate fixedly connected to the upright post, and the connecting plate is correspondingly arranged below the extending plate at intervals and is perpendicular to the extending plate.
Preferably, the connecting device further comprises a supporting plate arranged below the connecting plate at intervals, the supporting plate is fixedly connected with the upright post, and the connecting plate is perpendicular to the supporting plate.
Preferably, the stand is square steel tube structure, and inside is hollow structure, just the stand includes prefabricated upper prop and lower prop, the bottom surface of upper prop is equipped with cross inner rib, be equipped with the baffle in the lower prop, make the top surface of lower prop arrives form the holding tank between the baffle, cross inner rib joint in the holding tank.
Preferably, the joint of the upper column and the lower column is a first node, and the upper column is provided with at least one second node.
Preferably, the flange plate at the first node is fixedly connected to the top end of the lower column, the cover plate is fixedly connected to the bottom end of the upper column, an outer rib plate is further arranged between the cover plate and the upper column, and the outer rib plate penetrates through the upper column and is connected with the cross-shaped inner rib.
Preferably, the flange plate at the second node is fixedly connected to the upper column, the cover plate is fixedly connected to the sleeve, the sleeve is sleeved on the upper column, and an outer rib plate is further arranged between the cover plate and the sleeve.
Preferably, the beam column is an H-shaped steel beam, a through wire hole for passing a water supply electric heating pipeline is formed in a web plate of the H-shaped steel beam, and the through wire hole is far away from the node.
Compared with the prior art, the invention has the beneficial effects that:
1. the upright posts and the beams are connected by bolts, namely, the lower wing plate of the H-shaped steel beam is connected with the supporting plate by bolts, the web plate of the H-shaped steel beam is connected with the connecting plate by bolts, and the upper wing plate of the H-shaped steel beam is connected with the cover plate by bolts;
2, the web plate of the H-shaped steel beam is connected with the connecting plate through bolts, and the bolts bear friction force and can bear tension force, so that the bearing capacity of the node is further enhanced; the upper wing plate of the H-shaped steel beam is connected with the cover plate through the bolts, so that the shearing resistance of the node is improved, and the rigidity and the overall stability of the node are improved to a certain extent;
3. the cross-shaped inner rib is convenient for the installation of the upper column and the lower column, the difficulty in hoisting is reduced, and the accuracy of bolt hole alignment is improved;
4. the cover plate slides with the upper wing plate of the H-shaped steel beam and the bolt rod of the bolt extrudes energy consumption with the hole wall, so that the anti-seismic performance and the plastic rotation capacity of the corner of the beam column end are improved;
5. layer board and connecting plate have very strong the effect of inlaying to the H shaped steel roof beam, open a bolt hole on the H shaped steel web for arrange the warm pipeline of water electricity, will destroy the position and move outside the node region in addition, and then played the effect of protection node, realized the design of "strong node, weak component" in the antidetonation standard.
Drawings
FIG. 1 is a schematic structural view of a beam-column joint system according to the present invention;
FIG. 2 is a schematic structural view of an upper column and a cross-shaped inner rib according to the present invention;
FIG. 3 is a schematic structural view of a lower column and a partition plate according to the present invention;
FIG. 4 is a schematic diagram of a connection structure of a node A in FIG. 1;
FIG. 5 is a schematic diagram of a connection structure of a node C in FIG. 1;
FIG. 6 is a schematic diagram of a connection structure of a node E in FIG. 1;
FIG. 7 is a schematic view of the structure of the column of FIG. 1;
FIG. 8 is a schematic diagram of a connection structure of a node B in FIG. 1;
FIG. 9 is a schematic diagram of a connection structure of a node D in FIG. 1;
FIG. 10 is a schematic diagram of a connection structure of a node F in FIG. 1;
fig. 11 is a schematic view showing the overall structure of the sleeve of the present invention.
Reference numerals
1. A base block; 2. column descending; 3. putting the column on; 4. a sleeve; 5. a beam column; 6. a cross-shaped inner rib; 7. a connecting plate; 8. an outer rib plate; 9. a support plate; 10. a flange plate; 11. a cover plate; 12. a through hole; 13. a partition plate; 14. and (4) bolts.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1, the invention discloses an assembly type steel structure beam column joint system, which comprises at least four upright columns, wherein two joints are stacked on the upright columns;
beam columns 5 are arranged between the nodes of the adjacent upright columns at the same height; and
bolts 14 for fixedly connecting the beam column 5 to the column;
wherein, the nodes of the upright posts are fixedly connected with connecting devices, and the connecting devices are fixedly connected with the beam-column 5 through bolts 14.
Furthermore, by adopting the structure, the full-bolt connection is adopted, no welding operation is carried out on the site, the construction is convenient, the operation of workers is convenient, the assembly speed is high, the quality is easy to guarantee, and the rapid assembly is carried out on the site. And the bolts are arranged in a single row or multiple rows, and the number and the specification of the bolts are determined according to specific conditions.
In this embodiment, the beam column 5 is H shaped steel roof beam, and sets up the logical line hole 12 that a water supply electricity warm pipeline passes through on the web of H shaped steel roof beam, leads to line hole 12 and keeps away from the node, can satisfy the requirement of the weak component of strong node.
Further, the connecting device comprises a flange plate 10 which surrounds the node for one circle and is fixedly connected to the node and a cover plate 11 connected with the upright post, wherein the flange plate 10, the cover plate 11 and the beam column 5 are fixedly connected through bolts 14. Through the structure, the bolts are used for connecting the cover plate 11 and the flange plate 10 and connecting the beam column 5, the bolts are dual-purpose, the bolts are saved, the sliding of the cover plate 11 and the upper wing plate of the H-shaped steel beam and the extrusion energy consumption of the bolt rod and the hole wall of the bolts are reduced, and the anti-seismic performance and the plastic rotation capacity of the corner of the beam column 5 are improved.
Still further, be equipped with the extension board that corresponds with beam column 5 and be connected on apron 11, extension board and apron 11 are integrated into one piece promptly, connect the quantity of beam column 5 as required, correspond and be equipped with the extension board on apron 11, plan required apron 11 that has different extension boards in advance like this, according to the extension board of different quantity better discernment the concrete position that the stand that this apron 11 is located is in promptly, later stage construction speed is faster.
In this embodiment, the connecting device further includes a connecting plate 7 fixedly connected to the column and a supporting plate 9 disposed below the connecting plate 7 at an interval, the connecting plate 7 is disposed below the extending plate at an interval and perpendicular to the extending plate, the supporting plate 9 is fixedly connected to the column, and the connecting plate 7 is perpendicular to the supporting plate 9. The width of the connecting plate 7 is smaller than that of a web plate of the beam column 5, bolt holes with corresponding positions and the same size are also formed in the web plates of the connecting plate 7 and the beam column 5, the web plate of the H-shaped steel beam is connected with the connecting plate 7 through bolts, and the bolts not only bear friction force, but also can bear tension force, so that the bearing capacity of the node is further enhanced; the width of layer board 9 equals with the width of the lower pterygoid lamina of H shaped steel roof beam, and also be equipped with the bolt hole that the position corresponds, the size is the same on the lower pterygoid lamina of layer board 9 and H shaped steel roof beam, and the lower pterygoid lamina of H shaped steel roof beam passes through the bolt to be connected with layer board 9, and this layer board 9 not only plays the bearing capacity, when installing beam column 5 additional moreover, hoists H shaped steel roof beam on layer board 9 earlier, conveniently aligns the bolt hole, and it is more convenient to install.
Referring to fig. 1, in the present embodiment, a steel structure system composed of 9 columns is provided, when the steel structure system is constructed, the columns are located at different positions, so the number of the beams and columns 5 connected by the nodes on the columns is different, the number of the extension plates on the nodes is also adapted according to the number of the beams and columns 5 connected, in addition, the positions of the nodes are different, the positions of the connection devices are different, and further, the positions of the cover plate 11 and the connection plate 7 are also different, which is specifically as follows.
Referring to fig. 2-3, the stand is square steel tube structure, and inside is hollow structure, and the stand includes prefabricated upper prop 3 and lower prop 2, and the bottom surface of upper prop 3 is equipped with cross inner rib 6, is equipped with baffle 13 in the lower prop 2 for form the holding tank between the top surface of lower prop 2 to baffle 13, cross inner rib 6 joint is in the holding tank. Through the structure, the cross-shaped inner rib 6 plays roles of inserting and guiding in position, the hoisting difficulty of the upper column and the lower column is reduced, and after the upper column 3 and the lower column 2 are clamped in the accommodating groove through the cross-shaped inner rib 6 and are matched and connected, when concrete is cast in situ, the cross-shaped inner rib 6 does not influence the cast concrete, and the concrete is more firmly connected with the cross-shaped inner rib 6; meanwhile, the cross-shaped inner rib 6 is fixedly connected with the outer rib plate 8 of the upper column 3 in a factory through welding, and the partition plate 13 is also connected with the lower column 2 in the factory through welding, namely the cross-shaped inner rib 6 and the partition plate 13 participate in steel structure stress, so that the connection strength and rigidity of the upper column 3 and the lower column 2 are improved.
Further, in order to guarantee the stability of lower post 2, the bottom of lower post 2 is equipped with base block 1 for holistic steel structural system is more stable.
In this embodiment, the joint of the upper column 3 and the lower column 2 is a first node, and the height of the upper column 3 is two layers across the steel structure, so a second node is further provided in the middle of the upper column 3. When the height of the steel structure system needs to be increased, the upper columns 3 are added in a stacking mode, and the joints of the two columns are first nodes.
With continued reference to fig. 4, the flange plate 10 at the first node a in fig. 1 is fixedly connected to the top end of the lower column 2, the cover plate 11 is fixedly connected to the bottom end of the upper column 3, and an outer rib plate 8 is further disposed between the cover plate 11 and the upper column 3. The apron 11 is through welding and 3 fixed connection of upper prop promptly, because this stand is located this steel structural system's one corner, the beam column 5 that needs to connect is two, so apron 11 is equipped with two extension boards to the direction of being connected with beam column 5, and extension board bulge flange board 10, so can directly seted up the bolt hole on the extension board as required, directly is connected apron 11 and beam column 5 through the bolt.
Referring to fig. 5, at the first node C in fig. 1, the column is located in the middle of one side of the steel structure system, and three beams and columns 5 need to be connected, so that the cover plate 11 is provided with three extension plates in the direction of connecting with the beams and columns 5.
Referring to fig. 6, at the first node E in fig. 1, since the column is located at the center of the steel structure system and the number of the beam columns 5 to be connected is four, the cover plate 11 is provided with four extension plates in the direction of connecting with the beam columns 5.
Referring to fig. 8, a flange plate 10 at a second node B in fig. 1 is fixedly connected to the upper column 3, a cover plate 11 is fixedly connected to the sleeve 4, the sleeve 4 is sleeved on the upper column 3, and an outer rib plate 8 is further disposed between the cover plate 11 and the sleeve 4. Because this stand is located this steel structural system's one corner, the beam column 5 that needs to connect is two, so apron 11 is equipped with two extension boards to the direction of being connected with beam column 5, and extension board protrusion flange board 10, so can directly seted up the bolt hole on the extension board as required, directly is connected apron 11 and beam column 5 through the bolt. Apron 11 and sleeve 4 integrated into one piece directly overlap sleeve 4 cover on the stand when the mill, later stage easy to assemble.
Referring to fig. 9, at the second node D in fig. 1, the column is located in the middle of one side of the steel structure system, and three beams and columns 5 need to be connected, so that the cover plate 11 is provided with three extension plates in the direction of connecting with the beams and columns 5.
Referring to fig. 10, at the first node F in fig. 1, since the column is located at the center of the steel structure system and four beams and columns 5 need to be connected, the cover plate 11 is provided with four extension plates in a direction connecting with the beams and columns 5.
Reference is made to fig. 11 for the shape of the sleeve 4 in fig. 8-10.
In this example, two different nodes, namely a first node and a second node, are arranged on the upright column from the stress optimization, and the first node and the second node should be alternately adopted in the steel structure system, namely, in the steel structure system on the same height layer, so that the number of the first node and the second node in the steel structure system is equal, and the nodes arranged on the adjacent upright columns on the same height layer in the steel structure system are different, namely, the number of the disconnected upright columns on the same height layer is not more than 50% of the total number of the upright columns, so that the safety degree and the rigidity of the steel structure system are increased, and the side shift is reduced.
The installation process of this embodiment is:
firstly, a prefabricated lower column 2 is moved to a base block 1 by a crane for installation;
secondly, hoisting an H-shaped steel beam on a supporting plate 9 of the lower column 2, installing bolts after aligning bolt holes, and connecting a web plate in the H-shaped steel beam with a connecting plate 7 through bolts;
thirdly, hoisting the upper column 3 to the upper surface of the lower column 2, and connecting the cover plate 11 with the flange plate 10 and the upper wing plate in the H-shaped steel beam through bolts;
and fourthly, hoisting the H-shaped steel beam to the supporting plate 9 of the upper column 3, connecting the H-shaped steel beam with the connecting plate 7, the cover plate 11 and the flange plate 10 through bolts after aligning the bolt holes by using bolts.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. An assembled steel structure beam column node system, comprising:
the device comprises at least four upright posts, wherein two nodes are stacked on the upright posts;
beam columns are arranged between the nodes of the adjacent upright columns at the same height; and
the bolts are used for fixedly connecting the beam column to the upright columns;
the joints of the upright columns are fixedly connected with connecting devices, and the connecting devices are fixedly connected with the beam columns through bolts.
2. An assembled steel structure beam-column joint system as claimed in claim 1, wherein said connecting means comprises a flange plate surrounding said joint and fixedly connected to said joint, and a cover plate connected to said stud, said flange plate, said cover plate and said beam-column being fixedly connected by said bolt.
3. An assembled steel structural beam-column joint system as claimed in claim 2, wherein said cover plate is provided with extension plates correspondingly connected to said beam-column.
4. An assembled steel structure beam-column joint system as defined in claim 3 wherein said connecting means further comprises connecting plates fixedly attached to said columns, said connecting plates being correspondingly spaced below and perpendicular to said extension plates.
5. An assembled steel structural beam-column node system according to claim 4, wherein said connecting means further comprises a support plate spaced below said connecting plate, said support plate being fixedly connected to said column, and said connecting plate being disposed perpendicular to said support plate.
6. The assembled steel structure beam-column joint system according to claim 5, wherein the column is a square steel tube structure with a hollow structure inside, and the column comprises a prefabricated upper column and a lower column, the bottom surface of the upper column is provided with a cross-shaped inner rib, a partition plate is arranged in the lower column, so that a receiving groove is formed between the top surface of the lower column and the partition plate, and the cross-shaped inner rib is clamped in the receiving groove.
7. An assembled steel structural beam-column joint system as claimed in claim 6 wherein the junction of said upper column and said lower column is a first joint and said upper column has at least one second joint thereon.
8. An assembled steel structure beam column node system according to claim 7, wherein the flange plate at the first node is fixedly connected to the top end of the lower column, the cover plate is fixedly connected to the bottom end of the upper column, and an outer rib plate is further provided between the cover plate and the upper column, and the outer rib plate penetrates through the upper column and is connected with the cross-shaped inner rib.
9. An assembled steel structure beam column node system according to claim 7, wherein the flange plate at the second node is fixedly connected to the upper column, the cover plate is fixedly connected to the sleeve, the sleeve is sleeved on the upper column, and an outer rib plate is further arranged between the cover plate and the sleeve.
10. The fabricated steel structure beam-column joint system of claim 1, wherein the beam-column is an H-shaped steel beam, and a web of the H-shaped steel beam is provided with a through-hole for passing a water-supply electric heating pipeline, and the through-hole is far away from the joint.
CN202011281602.0A 2020-11-16 2020-11-16 Assembled steel construction beam column node system Pending CN112376974A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011281602.0A CN112376974A (en) 2020-11-16 2020-11-16 Assembled steel construction beam column node system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011281602.0A CN112376974A (en) 2020-11-16 2020-11-16 Assembled steel construction beam column node system

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CN112376974A true CN112376974A (en) 2021-02-19

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CN113062516A (en) * 2021-03-30 2021-07-02 山西宏厚装配式建筑科技发展有限公司 Steel structure floor assembling type process
CN113062454A (en) * 2021-03-30 2021-07-02 山西宏厚装配式建筑科技发展有限公司 Steel structure beam column frame assembling type process

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113062516A (en) * 2021-03-30 2021-07-02 山西宏厚装配式建筑科技发展有限公司 Steel structure floor assembling type process
CN113062454A (en) * 2021-03-30 2021-07-02 山西宏厚装配式建筑科技发展有限公司 Steel structure beam column frame assembling type process

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