CN219431038U - Steel construction factory building middle span rigid beam column node structure of area lacing wire - Google Patents

Steel construction factory building middle span rigid beam column node structure of area lacing wire Download PDF

Info

Publication number
CN219431038U
CN219431038U CN202320087431.0U CN202320087431U CN219431038U CN 219431038 U CN219431038 U CN 219431038U CN 202320087431 U CN202320087431 U CN 202320087431U CN 219431038 U CN219431038 U CN 219431038U
Authority
CN
China
Prior art keywords
steel
shaped steel
holes
plate
square
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.)
Active
Application number
CN202320087431.0U
Other languages
Chinese (zh)
Inventor
黎亚军
易丹萍
徐增武
石守阳
刘艳华
马朗
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.)
China Construction Fifth Bureau Third Construction Co Ltd
Original Assignee
China Construction Fifth Bureau Third Construction 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 China Construction Fifth Bureau Third Construction Co Ltd filed Critical China Construction Fifth Bureau Third Construction Co Ltd
Priority to CN202320087431.0U priority Critical patent/CN219431038U/en
Application granted granted Critical
Publication of CN219431038U publication Critical patent/CN219431038U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model provides a take steel construction factory building middle of lacing wire to stride rigid beam column node structure, is equipped with on the curb plate of square steel column section of thick bamboo, in I shape girder steel installation department with I shape girder steel size assorted rectangle hole, the inboard of square steel column section of thick bamboo curb plate, all welded the stiffening reinforcement in rectangle entrance to a cave left and right sides, the stiffening reinforcement is laid along square steel column section of thick bamboo axial, I shape girder steel cartridge is in the rectangle hole of square steel column section of thick bamboo, be fixed with a plurality of angle supports on the curb plate outside of square steel column section of thick bamboo, in I shape girder steel upper and lower both sides, I shape girder steel is fixed on the angle support, through straight lacing wire interconnect, through diagonal lacing wire interconnect between the I shape girder steel that is adjacent between the square steel column section of thick bamboo. The utility model has the advantages of high integrity, strong bearing capacity and simple construction.

Description

Steel construction factory building middle span rigid beam column node structure of area lacing wire
Technical Field
The utility model relates to a middle-span rigid beam column node structure of a steel structure factory building with tie bars.
Background
The traditional concrete structure has the advantages of high integrity, good durability, excellent fire resistance and the like, is widely applied to various projects, but has the defects of bending resistance, poor tensile property and the like, and is easy to cause brittle failure; compared with the steel structure, the steel structure is high in strength, light in weight, good in anti-seismic performance, high in assembly degree and good in plasticity ductility, and is more suitable for assembly type buildings which are widely popularized in China. Beam column nodes occupy important roles in a steel structure, and the characteristics of the nodes directly influence the safety and reliability of the whole structure. However, the existing steel structure nodes are mostly connected in a riveting, welding, bolting mode and the like, so that the defects of stress concentration, complex node construction, poor connection integrity and the like exist, the node construction quality is affected, and the safety and the reliability of the whole structure are further threatened.
Disclosure of Invention
In order to achieve the purpose, the utility model provides the middle-span rigid beam column node structure of the steel structure factory building with the lacing wire, which has the advantages of high integrity, strong bearing capacity and simple and convenient construction.
The utility model relates to a middle-span rigid beam column node structure of a steel structure factory building with tie bars, which comprises a steel cylinder concrete column and I-shaped steel beams, wherein the steel cylinder concrete column comprises a square steel cylinder and concrete layers poured in the square steel cylinder, rectangular holes matched with the I-shaped steel beams in size are formed in the side plates of the square steel cylinder and the I-shaped steel beams at the installation positions, stiffening steel bars are welded on the inner sides of the side plates of the square steel cylinder at the left side and the right side of the rectangular holes, the stiffening steel bars are distributed along the axial direction of the square steel cylinder, the I-shaped steel beams are inserted in the rectangular holes of the square steel cylinder, a plurality of corner supports are fixed on the outer sides of the side plates of the square steel cylinder and on the upper side and the lower side of the I-shaped steel beams, the I-shaped steel beams are fixed on the corner supports, the opposite I-shaped steel beams in the square steel cylinder are connected with each other through straight tie bars, and the adjacent I-shaped steel beams are connected with each other through oblique tie bars.
In this embodiment, the i-beam includes a first flange, a web, and a second flange; the two ends of the straight lacing wire are respectively inserted into the middle holes of the opposite I-shaped steel beams in the installation state; the two ends of the diagonal lacing wire are respectively inserted into the first angle holes of the adjacent I-shaped steel beams and the second angle holes of the adjacent I-shaped steel beams.
In this embodiment, a second bolt anchoring hole is formed between two ends of the first flange and the second flange of the i-shaped steel beam and at two sides of the web plate, and after the i-shaped steel beam is inserted into the square steel column, the second bolt anchoring hole is formed at the outer side of the square steel column, the corner support comprises two upper corner supports and two lower corner supports, the two upper corner supports and the two lower corner supports are respectively and symmetrically distributed at the upper side and the lower side of the rectangular hole, and each of the upper corner supports and the lower corner supports comprises an L-shaped steel plate, a rectangular steel plate and a stiffening plate; the L-shaped steel plate comprises a horizontal steel plate and a vertical steel plate perpendicular to the horizontal steel plate, wherein the rectangular steel plate is welded on the horizontal steel plate and perpendicular to the horizontal steel plate, the stiffening plate is respectively welded with the rectangular steel plate and the horizontal steel plate, a third bolt anchoring hole corresponding to the second bolt anchoring hole is formed in the horizontal steel plate of the L-shaped steel plate, and a first flange and a second flange of the I-shaped steel beam are respectively connected and fixed with an upper corner support and a lower corner support through high-strength bolts arranged in the second bolt anchoring holes and the third bolt anchoring holes.
In this embodiment, a plurality of first bolt anchor holes are reserved on the side plate of the square steel column casing and on the upper side and the lower side of the rectangular hole, a plurality of fourth bolt anchor holes corresponding to the first bolt anchor holes are formed in the rectangular steel plate, and the upper corner support and the lower corner support are fixed on the square steel column casing through high-strength bolts arranged in the fourth bolt anchor holes and the first bolt anchor holes.
In the embodiment, the L-shaped steel plates are arranged at the positions of four corners of the rectangular hole, and the horizontal steel plates and the vertical steel plates of the L-shaped steel plates are respectively arranged along two adjacent edges of the rectangular hole.
In this embodiment, the straight tie bar and the diagonal tie bar are hot rolled ribbed bars each having a diameter of 20 mm.
Compared with the prior art, the utility model has the following beneficial effects:
1. all steel components are prefabricated in a factory, so that the installation is simple and convenient, the construction efficiency is improved, and the construction quality is ensured;
2. reinforcing steel bars are reinforced in the rectangular hole of the square steel column casing, and angle supports are arranged outside the square steel column casing, so that the early strength and the node yield resistance after beam column assembly are ensured to the greatest extent, and the safety of continuous construction is improved;
3. in the square steel column casing, adopt straight lacing wire and oblique lacing wire to connect respectively opposite direction and adjacent I-shaped girder steel, assist with cast in situ concrete, effectively improved bearing capacity, rigidity and the wholeness in node core district, and then guaranteed factory building structure's overall security to a great extent.
In summary, the stiffening steel bars are arranged in the square steel column barrels, and the corner supports are arranged outside the square steel column barrels, so that the early strength and the node yield resistance of the assembled beam columns are ensured to the greatest extent, and the safety of continuous construction is improved; the straight lacing wire and the inclined lacing wire are respectively connected with the opposite and adjacent I-shaped steel beams, cast-in-place concrete is used as auxiliary materials, the bearing capacity, rigidity and integrity of a node core area are effectively improved, and the overall safety of a factory building structure is further guaranteed to a great extent.
Drawings
FIG. 1 is a schematic top view of a steel cylinder concrete column of the present utility model;
FIG. 2 is a schematic view of the steel cylinder concrete column of the present utility model from the bottom;
FIG. 3 is a schematic view of section A-A of FIG. 1;
FIG. 4 is a schematic top view of the steel cylinder concrete column of the present utility model after casting concrete in the installed state;
FIG. 5 is a schematic view of the inside of a square steel column casing according to the present utility model;
FIG. 6 is a schematic view of the structure of the square steel column casing of the present utility model after the corner support is installed;
FIG. 7 is a schematic view of a steel I-beam structure according to the present utility model;
FIG. 8 is a schematic view of the structure of the upper and lower corner supports of the present utility model;
fig. 9 is a schematic structural view of the straight lacing wire and the diagonal lacing wire of the present utility model.
Wherein: 1. steel cylinder concrete column; 11. square steel column casing; 12. filling a concrete layer; 13. rectangular holes; 131. a first bolt anchoring hole; 132. stiffening reinforcing steel bars; 2. an I-shaped steel beam; 21. a first flange; 211. a first angular aperture; 212. a middle hole; 22. a web; 23. a second flange; 231. a second angular aperture; 232. a second bolt anchoring hole; 3. an upper corner support; 31. an L-shaped steel plate; 311. a third bolt anchoring hole; 32. a rectangular steel plate; 321. a fourth bolt anchoring hole; 33. stiffening plates; 4. a lower corner support; 5. a high-strength bolt; 6. a straight lacing wire; 7. and (5) diagonal lacing wires.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In addition, the technical solutions of the embodiments of the present utility model may be combined with each other, but it is necessary to be based on the fact that those skilled in the art can implement the technical solutions, and when the technical solutions are contradictory or cannot be implemented, the combination of the technical solutions should be considered as not existing, and not falling within the scope of protection claimed by the present utility model.
As shown in fig. 1 to 9, the utility model provides a middle span rigid beam column node structure of a steel structure factory building with tie bars, which comprises a steel cylinder concrete column 1, an I-shaped steel beam 2, an upper corner support 3, a lower corner support 4, high-strength bolts 5, straight tie bars 6 and inclined tie bars 7; the steel cylinder concrete column 1 comprises a square steel cylinder 11 and an inner concrete layer 12 from outside to inside; rectangular holes 13 are symmetrically arranged on the four side plates of the square steel column casing 11, and the rectangular holes 13 are correspondingly connected with the I-shaped steel beams 2; a plurality of first bolt anchoring holes 131 are reserved on the side plates of the square steel column casing 11 and on the upper side and the lower side of the rectangular hole 13; stiffening steel bars 132 are welded on the inner side of the side plate of the square steel column casing 11 and on the left and right sides of the rectangular hole 13, and the stiffening steel bars 132 are axially distributed along the square steel column casing 11;
the I-shaped steel beam 2 comprises a first flange 21, a web 22 and a second flange 23; a first corner hole 211 and a middle hole 212 are formed in the width direction at the top of the tail end of the first flange 21; the inner end of the second flange 23 is provided with second angle holes 231 on two sides of the web 22, and the second angle holes 231 correspond to the first angle holes 211 in position; second bolt anchoring holes 232 which are positioned corresponding to each other are arranged between the two ends of the first flange 21 and the second flange 23; the I-shaped steel beams 2 are inserted into rectangular holes 13 of the square steel column barrels 11, second bolt anchoring holes 232 of the I-shaped steel beams 2 are formed in the outer sides of the square steel column barrels 11, the opposite I-shaped steel beams 2 in the square steel column barrels 11 are connected through straight lacing wires 6, the adjacent I-shaped steel beams 2 are connected through diagonal lacing wires 7, the straight lacing wires 6 and the diagonal lacing wires 7 are U-shaped steel bars, and two ends of the straight lacing wires 6 are respectively inserted into middle holes 212 of the opposite I-shaped steel beams 2; the two ends of the diagonal lacing wire 7 are respectively inserted into the first angle holes 211 of the adjacent I-shaped steel beams 2 and the second angle holes 231 of the adjacent I-shaped steel beams 2;
in the embodiment, the straight tie bar 6 is a hot rolled ribbed bar with the diameter of 20 mm; the bent-up portions of the straight tie bar 6 and the diagonal tie bar 7 extend 10cm beyond the lower surface of the second flange 23 to enhance the anchoring performance with the poured concrete layer 12
The two upper corner supports 3 and the two lower corner supports 4 are symmetrically distributed on the upper side and the lower side of the rectangular hole 13 respectively, and the upper corner supports 3 and the lower corner supports 4 are formed by integrally welding an L-shaped steel plate 31, a rectangular steel plate 32 and a stiffening plate 33; the L-shaped steel plate 31 is arranged at the positions of the four corners of the rectangular hole 13, the L-shaped steel plate 31 comprises a horizontal steel plate and a vertical steel plate which is vertical to the horizontal steel plate, the horizontal steel plate and the vertical steel plate are respectively arranged along two adjacent sides of the rectangular hole 13, the rectangular steel plate 32 is welded on the horizontal steel plate and is vertical to the horizontal steel plate, the stiffening plate 33 is triangular, the stiffening plate 33 is respectively welded with the rectangular steel plate 32 and the horizontal steel plate, and a third bolt anchoring hole 311 which is matched with the second bolt anchoring hole 232 is formed in the horizontal steel plate of the L-shaped steel plate 31; a fourth bolt anchoring hole 321 is pre-formed in the rectangular steel plate 32, and the upper corner support 3 and the lower corner support 4 are fixed on the square steel column casing 11 through high-strength bolts 5 arranged in the fourth bolt anchoring hole 321 and the first bolt anchoring hole 131; the first flange 21 and the second flange 23 of the I-shaped steel beam 2 are respectively connected and fixed with the upper corner support 3 and the lower corner support 4 through high-strength bolts arranged in the second bolt anchoring holes 232 and the third bolt anchoring holes 311;
in this embodiment, square steel column casing 11, I shape girder steel 2, upper corner support 3, lower corner support 4, high strength bolt 5, straight lacing wire 6 and oblique lacing wire 7 all are prefabricated in the mill and form, and accurate cutting trompil has guaranteed construction quality in the time of convenient and fast of construction. The inner poured concrete layer 12 is formed by simultaneously pouring concrete with the strength grade of C30 from the top of the square steel column casing 11, the rectangular hole 13 and the gap where the I-shaped steel beam 2 is installed in a matched mode. The stiffening bars 132 are hot rolled ribbed bars having a diameter of 20 mm; the two ends of the stiffening steel bars 132 exceed the outermost 12cm of the first bolt anchoring holes 131, the holes are reinforced through the stiffening steel bars, the load effect of the holes is dispersed, and the safety of the holes during installation is guaranteed.
When the I-shaped steel beam 2 is installed, the first flange 21 can be arranged above, and the second flange 23 can be arranged above; the opposite first flanges 21 of the I-shaped steel beams 2 face the same direction, and the adjacent first flanges 21 face opposite directions, so that different space connection modes are realized by one type of I-shaped steel beams, and the purposes of improving the node strength and the integrity and reducing the consumption of steel materials are achieved.
In this embodiment, the first bolt anchoring hole 131 and the fourth bolt anchoring hole 321, and the second bolt anchoring hole 232 and the third bolt anchoring hole 311 are correspondingly matched during installation, and are fixedly connected by adopting the high-strength bolt 5.
The process steps in actual construction of the utility model are as follows:
1. determining the size of each steel structural member according to the actual working condition, and prefabricating in a factory;
2. rectangular holes 13 matched with the I-shaped steel beams 2 are formed in four panels of the square steel column casing 11; 16 first bolt anchoring holes 131 are respectively formed in the upper side and the lower side of the rectangular hole 13; stiffening steel bars 132 are respectively welded on the left side and the right side of the rectangular hole 13 on the inner side of the square steel column casing 11;
3. a first angle hole 211 and a middle hole 212 are formed at the inner tail end of the first flange 21 of the I-shaped steel beam 2; a second corner hole 231 is formed at the inner end of the second flange 23; the first flange 21 and the second flange 23 are respectively provided with a second bolt anchoring hole 232 at the position outside the column and close to the rectangular hole 13;
4. the upper corner support 3 and the lower corner support 4 are formed by integrally welding an L-shaped steel plate 31, a rectangular steel plate 32 and a stiffening plate 33; a third bolt anchoring hole 311 is pre-opened in the L-shaped steel plate 31; a fourth bolt anchoring hole 321 is pre-opened on the rectangular steel plate 32;
5. setting out on site, namely installing a square steel column casing 11, symmetrically installing an upper corner support 3 and a lower corner support 4 at four corners outside a rectangular hole 13, then lifting four I-shaped steel beams 2 by a crane, inserting the four I-shaped steel beams from the four rectangular holes 13 until a second bolt anchoring hole 232 on the I-shaped steel beams 2 is matched and butted with a third bolt anchoring hole 311 on the upper corner support 3 or the lower corner support 4, fixedly connecting a beam column by adopting a high-strength bolt 5 through the second bolt anchoring hole 232 and the third bolt anchoring hole 311, and connecting opposite I-shaped steel beams 2 by adopting a straight lacing wire 6 through a middle hole 212; the diagonal lacing wires 7 are adopted to connect adjacent I-shaped steel beams 2 through the first angle holes 211 and the second angle holes 231;
6. and simultaneously pouring concrete from the top of the square steel column casing 11, the rectangular hole 13 and the gap of the matched installation of the I-shaped steel beam 2, so that the inner poured concrete layer 12 and the square steel column casing 11 are combined into a whole, and finally, the construction of the middle span rigid beam column node structure of the steel structure factory building with tie bars is completed.
The foregoing description of the preferred embodiments of the present utility model should not be construed as limiting the scope of the utility model, but rather utilizing equivalent structural changes made in the present utility model description and drawings or directly/indirectly applied to other related technical fields are included in the scope of the present utility model.

Claims (6)

1. The utility model provides a take steel construction factory building middle of lacing wire to stride rigid beam column node structure, includes steel cylinder concrete column and I shape girder steel, steel cylinder concrete column includes square steel column casing and the concrete layer of watering in square steel column casing, its characterized in that: the square steel column casing is characterized in that rectangular holes matched with the I-shaped steel beams in size are formed in the mounting positions of the I-shaped steel beams, stiffening steel bars are welded on the left side and the right side of the rectangular hole of the square steel column casing and axially distributed along the square steel column casing, the I-shaped steel beams are inserted into the rectangular holes of the square steel column casing, a plurality of corner supports are fixed on the outer side of the side plate of the square steel column casing and on the upper side and the lower side of the I-shaped steel beams, the I-shaped steel beams are fixed on the corner supports, and the I-shaped steel beams are connected with each other through straight lacing wires and the adjacent I-shaped steel beams are connected with each other through diagonal lacing wires.
2. The steel structure factory building middle span rigid beam column node structure with tie bars according to claim 1, wherein: the I-shaped steel beam comprises a first flange, a web plate and a second flange; the two ends of the straight lacing wire are respectively inserted into the middle holes of the opposite I-shaped steel beams in the installation state; the two ends of the diagonal lacing wire are respectively inserted into the first angle holes of the adjacent I-shaped steel beams and the second angle holes of the adjacent I-shaped steel beams.
3. The steel structure factory building middle span rigid beam column node structure with tie bars according to claim 2, wherein: the two ends of the first flange and the second flange of the I-shaped steel beam are respectively provided with a second bolt anchoring hole at two sides of the web plate, the second bolt anchoring holes are arranged at the outer side of the square steel column after the I-shaped steel beam is inserted into the square steel column, the angle supports comprise two upper angle supports and two lower angle supports, the two upper angle supports and the two lower angle supports are respectively symmetrically distributed at the upper side and the lower side of the rectangular hole, and each upper angle support and each lower angle support comprises an L-shaped steel plate, a rectangular steel plate and a stiffening plate; the L-shaped steel plate comprises a horizontal steel plate and a vertical steel plate perpendicular to the horizontal steel plate, wherein the rectangular steel plate is welded on the horizontal steel plate and perpendicular to the horizontal steel plate, the stiffening plate is respectively welded with the rectangular steel plate and the horizontal steel plate, a third bolt anchoring hole corresponding to the second bolt anchoring hole is formed in the horizontal steel plate of the L-shaped steel plate, and a first flange and a second flange of the I-shaped steel beam are respectively connected and fixed with an upper corner support and a lower corner support through high-strength bolts arranged in the second bolt anchoring holes and the third bolt anchoring holes.
4. A steel structure plant middle span rigid beam column node structure with tie bars according to claim 3, characterized in that: the square steel column casing is characterized in that a plurality of first bolt anchoring holes are reserved on the side plates of the square steel column casing and on the upper side and the lower side of the rectangular hole, a plurality of fourth bolt anchoring holes corresponding to the first bolt anchoring holes are formed in the rectangular steel plate, and the upper corner support and the lower corner support are fixed on the square steel column casing through high-strength bolts arranged in the fourth bolt anchoring holes and the first bolt anchoring holes.
5. A steel structure plant middle span rigid beam column node structure with tie bars according to claim 3, characterized in that: the L-shaped steel plates are arranged at the positions of four corners of the rectangular hole, and the horizontal steel plates and the vertical steel plates of the L-shaped steel plates are respectively arranged along two adjacent edges of the rectangular hole.
6. The steel structure factory building middle span rigid beam column node structure with tie bars according to claim 2, wherein: the straight lacing wire and the inclined lacing wire are hot rolled ribbed steel bars with the diameters of 20 mm.
CN202320087431.0U 2023-01-30 2023-01-30 Steel construction factory building middle span rigid beam column node structure of area lacing wire Active CN219431038U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320087431.0U CN219431038U (en) 2023-01-30 2023-01-30 Steel construction factory building middle span rigid beam column node structure of area lacing wire

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320087431.0U CN219431038U (en) 2023-01-30 2023-01-30 Steel construction factory building middle span rigid beam column node structure of area lacing wire

Publications (1)

Publication Number Publication Date
CN219431038U true CN219431038U (en) 2023-07-28

Family

ID=87337019

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202320087431.0U Active CN219431038U (en) 2023-01-30 2023-01-30 Steel construction factory building middle span rigid beam column node structure of area lacing wire

Country Status (1)

Country Link
CN (1) CN219431038U (en)

Similar Documents

Publication Publication Date Title
CN105544733B (en) For supporting the structural framing system of building and assembling its method
WO2015110081A1 (en) Three-dimensional lightweight steel framework formed by two-way continuous double beams
CN109339229B (en) Prefabricated assembled concrete-filled steel tube frame structure of perforation thick liquid anchor
CN206016011U (en) A kind of steel plate concrete composite beam panel structure system
KR102079008B1 (en) E-z connecting structure for beam and column wherein the end-moment and bending resistibility are reinforced
CN111593926A (en) H-shaped steel part filled concrete combined column-reinforced concrete beam joint and design method thereof
CN105822000A (en) Steel plate and concrete composite beam and slab structure system
CN111962952A (en) Steel tube concrete column-H-shaped steel beam-steel support-pi-shaped connecting piece combined type center pillar bottom node and manufacturing method
CN112127546A (en) End plate connection type assembly type prefabricated reinforced concrete beam and design method thereof
CN111411724A (en) Steel beam-concrete composite floor slab combined assembly system
CN112647591A (en) Prefabricated reinforced concrete beam column steel node
CN111962948A (en) Steel tube concrete column-H-shaped steel beam-steel support-pi-shaped connecting piece combined side column bottom node and manufacturing method
CN111411721A (en) Assembly type prefabricated floor slab secondary beam combined component
CN210947142U (en) Assembled concrete structure post roof beam connecting steel node
CN114319977B (en) Steel pipe concrete row column type connection precast shear wall structure and construction method
CN113136943B (en) Connecting joint of concrete filled steel tubular column and concrete beam
CN110725405A (en) Steel pipe concrete column H-shaped steel beam rigid connection node structure with tie bars and construction method
CN110439142A (en) A kind of assembly concrete shear wall and construction method with H profile steel diagonal brace
CN214220084U (en) Row-shaped steel concrete shear wall and assembly type building structure system thereof
CN212176055U (en) Prefabricated section steel concrete component assembled structure
KR100949828B1 (en) Steel beam and hybrid beam of steel concrete for slim floor
CN112282121A (en) Prefabricated built-in corrugated steel plate reinforced concrete combined shear wall and construction process
CN211548221U (en) Assembled concrete shear force wall with H shaped steel bracing
CN219431038U (en) Steel construction factory building middle span rigid beam column node structure of area lacing wire
CN217734420U (en) Mix assembled built-up connection wall frame construction

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant