CN113789858A - Tenon-and-mortise self-locking connecting system of H-shaped steel structure and construction method thereof - Google Patents
Tenon-and-mortise self-locking connecting system of H-shaped steel structure and construction method thereof Download PDFInfo
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- CN113789858A CN113789858A CN202111137318.0A CN202111137318A CN113789858A CN 113789858 A CN113789858 A CN 113789858A CN 202111137318 A CN202111137318 A CN 202111137318A CN 113789858 A CN113789858 A CN 113789858A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 124
- 239000010959 steel Substances 0.000 title claims abstract description 124
- 238000010276 construction Methods 0.000 title claims abstract description 21
- 238000003466 welding Methods 0.000 claims description 38
- 238000004519 manufacturing process Methods 0.000 claims description 13
- 238000001514 detection method Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 6
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- 239000002994 raw material Substances 0.000 claims description 3
- 239000002893 slag Substances 0.000 claims description 3
- 238000009435 building construction Methods 0.000 abstract description 3
- 238000006073 displacement reaction Methods 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 6
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- 210000001503 joint Anatomy 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
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- 238000006467 substitution reaction Methods 0.000 description 2
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- 206010063385 Intellectualisation Diseases 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/58—Connections for building structures in general of bar-shaped building elements
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/98—Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
- E04B2001/2406—Connection nodes
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
- E04B2001/2409—Hooks, dovetails or other interlocking connections
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B2001/2466—Details of the elongated load-supporting parts
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/58—Connections for building structures in general of bar-shaped building elements
- E04B2001/5881—Connections for building structures in general of bar-shaped building elements using an undercut groove, e.g. dovetail groove
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
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- Electromagnetism (AREA)
- Mechanical Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The invention relates to the technical field of building construction, and discloses an H-shaped steel structure mortise and tenon self-locking connection system and a construction method thereof, wherein the construction method comprises the following steps: the steel column is connected with the beam of the steel column and is used for connecting the mortise and tenon components of the steel column and the beam; the tenon-and-mortise components comprise tenons and mortises which are mutually clamped and connected, the tenons are arranged at two ends of the length direction of the beam and comprise webs, flange plates and tenons, the end surfaces of the webs are inclined planes, the flange plates are arranged on the upper sides and the lower sides of the webs, the tenons are arranged on the side surfaces of the webs, the outer side surfaces of the tenons are inclined planes parallel to the end surfaces of the webs, and the bottom surfaces of the tenons are of Z-shaped broken line structures; the tongue-and-groove includes the C shaped steel structure that two back to back symmetries set up, leaves the space between two C shaped steel structures, in the space, C shaped steel structure inboard is provided with the oblique tenon recess, and the medial surface of oblique tenon recess is the slope inclined plane, and oblique tenon recess top surface is Z style of calligraphy broken line structure, is equipped with in the space to be used for preventing the shutoff board of web inboard displacement, and the shutoff board is contradicted to tenon board lateral surface and/or web terminal surface.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to an H-shaped steel structure mortise and tenon self-locking connection system and a construction method thereof.
Background
At present, the assembly type building has the advantages of environmental protection, high construction speed and the like, and becomes one of important directions of future building development, and at present, the country is vigorously carrying out the assembly type building and developing the building industrialization to improve the environment and control the energy consumption. The assembled steel structure is one of the important components of the assembled building, and beam-column joints are mainly connected in a welding mode in the prior art, and force between the beam columns is transmitted by means of welding seams. The joint has high welding quality requirement, complex construction, large artificial influence factor on the welding quality, large residual stress around a welding seam and the welding seam, large influence on the seismic performance by the welding seam, and inconvenient transportation due to large size of a reinforcing ring for force transfer of the beam auxiliary joint; therefore, the invention provides a beam-column mortise-tenon joint structure of an assembly type steel structure, which is used for solving the problems.
Disclosure of Invention
The application provides an H-shaped steel structure tenon-and-mortise self-locking connection system and a construction method thereof, which are used for solving the problems that the existing assembly building process is high in requirement, complex in construction, large in welding quality due to artificial influence factors, large in residual stress around welding seams and large in anti-seismic performance due to the influence of the welding seams, and is inconvenient to transport due to the large size of a reinforcing ring for transferring force of beam auxiliary nodes.
In order to solve the technical problem, the application provides an H-shaped steel structure mortise and tenon self-locking connection system and a construction method thereof, and the system comprises the following steps: the steel column is connected with the beam of the steel column and is used for connecting the mortise and tenon components of the steel column and the beam; the tenon-and-mortise components comprise tenons and mortises which are mutually clamped and connected, the tenons are arranged at two ends of the length direction of the cross beam and comprise webs, flange plates and tenons, the end faces of the webs are inclined planes, the flange plates are arranged on the upper sides and the lower sides of the webs, the tenons are arranged on the side faces of the webs, the outer side faces of the tenons are inclined planes parallel to the end faces of the webs, the bottom faces of the tenons are of Z-shaped broken line structures and comprise first protruding portions, first inclined portions and first concave portions which are sequentially connected from left to right; the tongue-and-groove includes the C shaped steel structure that two dorsad symmetries set up, two leave the space between the C shaped steel structure, in the space, C shaped steel structure inboard is provided with the oblique tenon recess, the medial surface of oblique tenon recess is the slope inclined plane, and oblique tenon recess top surface is Z style of calligraphy broken line structure, includes from second depressed part, second rake and the second bellying that connects gradually from the left hand right side, second depressed part, second rake and second bellying correspond the laminating setting with first bellying, first rake and the first depressed part of tenon bottom surface respectively, be equipped with in the space and be used for preventing the shutoff board of web inboard displacement, the shutoff board is contradicted to tenon lateral surface and/or web terminal surface.
In some embodiments of this application, one side that C shaped steel structure is close to the steel column is provided with the end plate, the vertical a plurality of screws that are provided with on the end plate, wear to be equipped with high strength bolt between screw and steel column for be fixed in the side of steel column with C shaped steel structure along the horizontal direction.
In some embodiments of the present application, the inclination angles of the outer side surface of the tenon plate and the inner side surface of the tenon groove are consistent, and the tenon plate and the tenon groove are vertically spliced to form an inclined surface inclined downwards in the same direction away from the steel column.
In some embodiments of the application, the relative positions of the upper and lower bottom plates of the upper and lower side flange plates and the C-shaped steel structure are provided with screw holes along the horizontal direction, and high-strength bolts are arranged in the screw holes in a penetrating mode.
In some embodiments of this application, the bottom of crossbeam and C shaped steel structure is provided with the connecting plate, and connecting plate both sides top surface butt respectively is in two C shaped steel structure bottom surfaces and downside flange board bottom surface, the connecting plate is provided with a plurality of screws along the horizontal direction, wears to be equipped with high strength bolt between screw and crossbeam, screw and the C shaped steel structure.
In some embodiments of this application, the tenon plate symmetry sets up in the web both sides, and the oblique tenon recess symmetry is located on both sides C shaped steel structure backplate, the thickness of tenon plate and oblique tenon recess is unanimous, space thickness with shutoff board thickness is unanimous, space thickness between the oblique tenon recess is unanimous with the web plate thickness.
In some embodiments of the present application, the tenon plate is symmetrically disposed on a single side of the web, the inclined tenon groove is disposed on the single-side C-type steel structural back plate, the thicknesses of the tenon plate and the inclined tenon groove are consistent, the thickness of the gap is consistent with the thickness of the plugging plate, and the distance between the inclined tenon groove and the other side C-type steel structural back plate is consistent with the thickness of the web.
In some embodiments of this application, the concatenation position of steel column is located to the tenon fourth of twelve earthly branches component, two the concatenation end of steel column is provided with spacing arch and positioning recess respectively, spacing bellied height is unanimous with positioning recess's degree of depth, and spacing arch is embedded into to positioning recess.
In some embodiments of the present application, stiffening ribs are welded between the upper and lower ends of the C-shaped steel structure and the end plates.
In some embodiments of the present application, the construction method includes the steps of:
s1, manufacturing a tenon and a mortise: firstly, determining the steel number and specification of raw materials, then sequentially performing lofting, numbering, cutting, correcting and forming to manufacture a tenon plate and an inclined tenon groove with required specifications, and then respectively fixing the tenon plate and the inclined tenon groove at two ends of a cross beam, a gap between two C-shaped steel structures and the inner side wall of the C-shaped steel structure;
s2, connecting the steel member with the connecting piece: welding the to-be-connected end of the inclined tenon groove in a gap of the mortise, and completely removing welding seams, welding slag, splashing, welding beading and the like on two sides of the welding seams after welding is finished;
s3, ultrasonic flaw detection: after each welding link in the production and processing process is finished, all welding seams are detected by using an ultrasonic flaw detection technology, so that the welding quality is ensured to be good;
s4, component transportation: the components which are finished in production, processing and detection are completely packaged and then are transported to a construction site from a factory building;
s5, mortise and tenon connection: inserting a tenon into the bottom of the mortise from an opening at the upper end of the mortise through hoisting operation, so that the tenon is clamped in position, the tenon plate and the inclined tenon groove are tightly buckled with each other, and the first protruding part, the first inclined part and the first sunken part are sequentially in corresponding contact with the second protruding part, the second inclined part and the second sunken part along the bottom surface of the tenon plate and the top surface of the inclined tenon groove and are mutually clamped;
s6, bolt connection: the tenon-and-mortise components are connected by adopting the high-strength bolts and the connecting plates, so that the tenon is further limited to slide in the mortise, and the connection is ensured to be firm.
Compared with the prior art, the invention has the following characteristics and beneficial effects:
the beam column mortise-tenon joint type node structure of the fabricated steel structure realizes mortise-tenon joint type connection between a column body and a beam body in the structure, and is reinforced by arranging high-strength bolts at mortise-tenon joint positions, so that the self-locking of the structure is realized and the national standard requirements are met; meanwhile, the tenon-and-mortise structure has the function of automatic homing under the action of seismic waves
Compared with welding construction, the construction process of the beam-column mortise-tenon joint structure of the fabricated steel structure provided by the invention is simpler and more convenient to operate, the butt joint and fixation of the steel structure beam column can be realized without carrying more tools, the labor amount of workers is reduced, and the requirement on the professional skills of the workers is lowered.
3. The invention provides a steel member mortise-tenon joint member and a connection method thereof, wherein the steel member mortise-tenon joint member is simple in structure, reliable in connection, convenient to construct and low in energy consumption. The technical advantage of this patent is that the component interchangeability of node is stronger, and the on-the-spot weldless is more convenient for factory flow production standard component. The standardized nodes and the full bolting nodes further realize the mechanization and the intellectualization of the on-site node installation, and can be matched with the current intelligent installation machine for remote installation.
4. The tenon-and-mortise joint structure provided by the invention is a special flexible structure body, can bear larger load, allows certain deformation to be generated, offsets certain seismic energy through deformation under seismic load, and reduces the seismic response of the structure. Meanwhile, the direct rigid connection of the beam column is avoided through the installation of the middle section, the transmission of sound dryness of the structure is reduced, and a partial sound insulation effect is achieved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present invention;
FIG. 2 is a schematic side view of the overall structure of an embodiment of the present invention;
FIG. 3 is a cross-sectional view of a tenon of an embodiment of the present invention;
FIG. 4 is a sectional view of a tongue and groove of an embodiment of the invention;
FIG. 5 is a side view of a beam according to an embodiment of the present invention;
FIG. 6 is a schematic illustration of steel column splicing according to an embodiment of the present invention.
In the figure, 100, steel columns; 110. a limiting bulge; 120. positioning the recess; 200. a cross beam; 300. a mortise and tenon component; 310. a tenon; 311. a web; 312. a flange plate; 320. mortises; 321. c-shaped steel structure; 322. an end plate; 323. a stiffening rib; 324. a plugging plate; 330. a tenon plate; 331. a first boss portion; 332. a first inclined portion; 333. a first recess; 340. a tenon groove is formed; 341. a second boss portion; 342. a second inclined portion; 343. a second recess; 350. a connecting plate; 400. a screw hole; 500. high-strength bolt.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present application.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless otherwise specified.
In the description of the present application, it is to 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 meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
As shown in fig. 1 to 6, according to some embodiments of the present application, a tenon-and-mortise self-locking connection system for an H-shaped steel structure and a construction method thereof includes: the steel column 100 is connected to the beam 200 of the steel column 100, and is used for connecting the mortise and tenon joint component 300 of the steel column 100 and the beam 200; the tenon-and-mortise component 300 comprises a tenon 310 and a mortise 320 which are mutually clamped and connected, the tenon 310 is arranged at two ends of the cross beam 200 in the length direction and comprises a web 311 with an inclined end face, flange plates 312 arranged at the upper side and the lower side of the web 311 and a tenon plate 330 arranged at the side face of the web 311, the outer side face of the tenon plate 330 is an inclined face parallel to the end face of the web 311, the bottom face of the tenon plate 330 is of a Z-shaped broken line structure and comprises a first protruding part 331, a first inclined part 332 and a first sunken part 333 which are sequentially connected from left to right; the mortise 320 comprises two C-shaped steel structures 321 symmetrically arranged back to back, a gap is reserved between the two C-shaped steel structures 321, the gap is formed in the gap, oblique tenon grooves 340 are formed in the inner sides of the C-shaped steel structures 321, the inner side faces of the oblique tenon grooves 340 are oblique inclined faces, the top faces of the oblique tenon grooves 340 are Z-shaped broken line structures, the oblique tenon grooves comprise second concave portions 343, second inclined portions 342 and second convex portions 341 which are sequentially connected from left to right, the second concave portions 343, the second inclined portions 342 and the second convex portions 341 are respectively matched with the first convex portions 331 in the bottom faces of the tenon plates 330, the first inclined portions 332 and the first concave portions 333 are correspondingly attached, blocking plates 324 used for preventing the webs 311 from displacing towards the inner sides are arranged in the gap, and the blocking plates 324 abut against the outer side faces of the tenon plates 330 and/or the end faces of the webs 311.
According to some embodiments of the present application, an end plate 322 is disposed on one side of the C-shaped steel structure 321 close to the steel column 100, a plurality of screw holes 400 are vertically disposed on the end plate 322, and a high-strength bolt 500 is disposed between the screw holes 400 and the steel column 100 for fixing the C-shaped steel structure 321 to a side surface of the steel column 100 along a horizontal direction.
According to some embodiments of the present application, the outer side surface of the tenon plate 330 and the inner side surface of the tenon groove 340 are inclined at the same angle, and the tenon plate and the tenon groove are combined up and down to form the same inclined surface inclined obliquely downward toward a direction away from the steel column 100.
According to some embodiments of the present application, the relative positions of the upper and lower flange plates 312 and the upper and lower bottom plates of the C-shaped steel structure 321 are provided with screw holes 400 along the horizontal direction, and high-strength bolts 500 are inserted into the screw holes 400.
According to some embodiments of the present application, the bottom of the cross beam 200 and the C-shaped steel structure 321 are provided with a connecting plate 350, top surfaces of two sides of the connecting plate 350 abut against the bottom surfaces of the two C-shaped steel structures 321 and the bottom surface of the lower side flange plate 312, respectively, the connecting plate 350 is provided with a plurality of screw holes 400 along a horizontal direction, and high-strength bolts 500 are inserted between the screw holes 400 and the cross beam 200, the screw holes 400 and the C-shaped steel structure 321.
According to some embodiments of the present application, the tenon plates 330 are symmetrically disposed on two sides of the web 311, the inclined tenon grooves 340 are symmetrically disposed on the back plates of the C-shaped steel structures 321 on two sides, the thicknesses of the tenon plates 330 and the inclined tenon grooves 340 are the same, the thickness of the gap is the same as that of the blocking plate 324, and the thickness of the gap between the inclined tenon grooves 340 is the same as that of the web 311.
According to some embodiments of the present application, the tenon plate 330 is symmetrically disposed on a single side of the web 311, the tenon groove 340 is disposed on a back plate of the single-side C-shaped steel structure 321, thicknesses of the tenon plate 330 and the tenon groove 340 are the same, a gap thickness is the same as that of the blocking plate 324, and a distance between the tenon groove 340 and the back plate of the other-side C-shaped steel structure 321 is the same as that of the web 311.
According to some embodiments of the present application, the mortise and tenon component 300 is disposed at the splicing position of the steel column 100, the splicing ends of two steel columns 100 are respectively provided with the limiting protrusion 110 and the positioning recess 120, the height of the limiting protrusion 110 is consistent with the depth of the positioning recess 120, and the limiting protrusion 110 is embedded into the positioning recess 120.
It should be noted that when the steel columns 100 are spliced, the steel columns are divided into an upper-layer steel column 100 and a lower-layer steel column 100, a limiting protrusion 110 is arranged on the lower end surface of the upper-layer steel column 100, a positioning recess 120 is arranged on the upper end surface of the lower-layer steel column 100, and the limiting protrusion 110 comprises flat portions at two ends, a middle protruding portion, and a transition portion between the flat portion and the protruding portion; the positioning recess 120 comprises a flat part at two ends, a recess part in the middle, and a transition part between the flat part and the recess part; the limiting protrusion 110 is clamped with the positioning recess 120, so that positioning and installation are facilitated.
Stiffening ribs 323 are welded to the upper and lower ends of the C-shaped steel structure 321 and between the end plates 322 according to some embodiments of the present application.
According to some embodiments of the present application, the construction method comprises the steps of:
s1, manufacturing the tenon 310 and the mortise 320: firstly, determining the steel number and specification of raw materials, then sequentially performing lofting, numbering, cutting, correcting and forming to manufacture a tenon plate 330 and an oblique tenon groove 340 with required specifications, and then respectively fixing the tenon plate 330 and the oblique tenon groove 340 at two ends of a cross beam 200, a gap between two C-shaped steel structures 321 and the inner side wall of the C-shaped steel structures 321;
s2, connecting the steel member with the connecting piece: welding the end to be connected of the inclined tenon groove 340 in the gap of the mortise 320, and completely removing welding seams, welding slag, splashing, welding beading and the like on two sides of the welding seams after welding is finished;
s3, ultrasonic flaw detection: after each welding link in the production and processing process is finished, all welding seams are detected by using an ultrasonic flaw detection technology, so that the welding quality is ensured to be good;
s4, component transportation: the components which are finished in production, processing and detection are completely packaged and then are transported to a construction site from a factory building;
s5, mortise and tenon connection: the tenon 310 is inserted into the bottom of the mortise 320 from the opening at the upper end of the mortise 320 through the hoisting operation, so that the tenon is clamped in position, the tenon plate 330 and the inclined tenon groove 340 are fastened tightly, and the first protruding part 331, the first inclined part 332, the first sunken part 333, the second protruding part 341, the second inclined part 342, and the second sunken part 343 are sequentially contacted correspondingly along the bottom surface of the tenon plate 330 and the top surface of the inclined tenon groove 340 and clamped mutually;
s6, bolt connection: the tenon-and-mortise components 300 are connected by adopting the high-strength bolts 500 and the connecting plates 350, so that the tenon 310 is further limited to slide in the mortise 320, and the connection is ensured to be firm.
To sum up, the invention relates to the technical field of building construction, and discloses an H-shaped steel structure mortise and tenon self-locking connection system and a construction method thereof, wherein the mortise and tenon self-locking connection system comprises the following steps: the steel column is connected with the beam of the steel column and is used for connecting the mortise and tenon components of the steel column and the beam; the tenon-and-mortise components comprise tenons and mortises which are mutually clamped and connected, the tenons are arranged at two ends of the length direction of the beam and comprise webs, flange plates and tenons, the end surfaces of the webs are inclined planes, the flange plates are arranged on the upper sides and the lower sides of the webs, the tenons are arranged on the side surfaces of the webs, the outer side surfaces of the tenons are inclined planes parallel to the end surfaces of the webs, and the bottom surfaces of the tenons are of Z-shaped broken line structures; the tongue-and-groove includes the C shaped steel structure that two dorsad symmetries set up, leave the space between two C shaped steel structures, in the space, C shaped steel structure inboard is provided with the oblique tenon recess, the medial surface of oblique tenon recess is the slope inclined plane, oblique tenon recess top surface is Z style of calligraphy broken line structure, be equipped with the shutoff board that is used for preventing the web to the inboard displacement in the space, the shutoff board is contradicted to tenon board lateral surface and/or web terminal surface, convenient transportation, can fix a position fast during the installation, stable in structure can promote the efficiency of construction, and the cost is saved.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (10)
1. The utility model provides a H shaped steel structure tenon fourth of twelve earthly branches auto-lock connected system, includes: the steel column (100), the crossbeam (200) connected to the steel column (100), the tenon-and-mortise component (300) used for connecting the steel column (100) and the crossbeam (200); the tenon-and-mortise joint component (300) is characterized by comprising a tenon (310) and a mortise (320) which are mutually clamped and connected, wherein the tenon (310) is arranged at two ends of the length direction of the cross beam (200) and comprises a web plate (311) with an inclined end face, flange plates (312) arranged at the upper side and the lower side of the web plate (311) and a tenon plate (330) arranged on the side face of the web plate (311), the outer side face of the tenon plate (330) is an inclined face parallel to the end face of the web plate (311), the bottom face of the tenon plate (330) is of a Z-shaped broken line structure and comprises a first protruding part (331), a first inclined part (332) and a first concave part (333) which are sequentially connected from left to right; the mortise (320) comprises two C-shaped steel structures (321) which are symmetrically arranged back to back, a gap is reserved between the two C-shaped steel structures (321), a bevel tenon groove (340) is arranged in the gap and on the inner side of the C-shaped steel structure (321), the inner side surface of the inclined tenon groove (340) is an inclined surface, the top surface of the inclined tenon groove (340) is of a Z-shaped fold line structure and comprises a second concave part (343), a second inclined part (342) and a second convex part (341) which are sequentially connected from left to right, the second sunken part (343), the second inclined part (342) and the second convex part (341) are respectively attached to the first convex part (331), the first inclined part (332) and the first sunken part (333) on the bottom surface of the tenon plate (330), a blocking plate (324) for preventing the web (311) from displacing inwards is arranged in the gap, the plugging plate (324) is abutted to the outer side face of the tenon plate (330) and/or the end face of the web plate (311).
2. The tenon-and-mortise self-locking connection system for the H-shaped steel structure according to claim 1, wherein an end plate (322) is arranged on one side of the C-shaped steel structure (321) close to the steel column (100), a plurality of screw holes (400) are vertically formed in the end plate (322), and a high-strength bolt (500) penetrates through the space between each screw hole (400) and the corresponding steel column (100) and is used for fixing the C-shaped steel structure (321) to the side face of the corresponding steel column (100) along the horizontal direction.
3. The tenon-and-mortise self-locking connection system for the H-shaped steel structure according to claim 1, wherein the outer side surface of the tenon plate (330) and the inner side surface of the inclined tenon groove (340) are inclined at the same angle, and are spliced up and down to form an inclined surface which is inclined downwards in the same direction away from the steel column (100).
4. The mortise and tenon self-locking connection system for the H-shaped steel structure according to claim 1, wherein screw holes (400) are formed in the relative positions of the flange plates (312) on the upper side and the lower bottom plate of the C-shaped steel structure (321) along the horizontal direction, and high-strength bolts (500) penetrate through the screw holes (400).
5. The tenon-and-mortise self-locking connection system for the H-shaped steel structure according to claim 1, wherein the bottom of the cross beam (200) and the bottom of the C-shaped steel structure (321) are provided with a connection plate (350), top surfaces of two sides of the connection plate (350) are respectively abutted against the bottom surfaces of the two C-shaped steel structures (321) and the bottom surface of the flange plate (312), the connection plate (350) is provided with a plurality of screw holes (400) along the horizontal direction, and high-strength bolts (500) are arranged among the screw holes (400), the cross beam (200), the screw holes (400) and the C-shaped steel structure (321).
6. The H-shaped steel structure mortise and tenon self-locking connection system according to claim 1, wherein the tenon plates (330) are symmetrically arranged on two sides of the web (311), the inclined tenon grooves (340) are symmetrically arranged on back plates of the C-shaped steel structures (321) on two sides, the thicknesses of the tenon plates (330) and the inclined tenon grooves (340) are consistent, the thickness of the gap is consistent with that of the plugging plate (324), and the thickness of the gap between the inclined tenon grooves (340) is consistent with that of the web (311).
7. The tenon-and-mortise self-locking connection system for the H-shaped steel structure according to claim 1, wherein the tenon plate (330) is symmetrically arranged on one side of the web plate (311), the inclined tenon groove (340) is arranged on a back plate of the C-shaped steel structure (321) on the one side, the thickness of the tenon plate (330) is consistent with that of the inclined tenon groove (340), the thickness of the gap is consistent with that of the plugging plate (324), and the distance between the inclined tenon groove (340) and the back plate of the C-shaped steel structure (321) on the other side is consistent with that of the web plate (311).
8. The tenon-and-mortise self-locking connection system for the H-shaped steel structure according to claim 1, wherein the tenon-and-mortise members (300) are arranged at the splicing positions of the steel columns (100), the splicing ends of the two steel columns (100) are respectively provided with a limiting protrusion (110) and a positioning recess (120), the height of the limiting protrusion (110) is consistent with the depth of the positioning recess (120), and the limiting protrusion (110) is embedded into the positioning recess (120).
9. The tenon-and-mortise self-locking connection system for the H-shaped steel structure according to claim 1, wherein stiffening ribs (323) are welded between the upper end and the lower end of the C-shaped steel structure (321) and the end plate (322).
10. A construction method of an H-shaped steel structure mortise and tenon self-locking connection system is characterized by comprising the following steps:
s1, manufacturing a tenon (310) and a mortise (320): firstly, determining the steel number and specification of raw materials, then sequentially performing lofting, numbering, cutting, correcting and forming to manufacture a tenon plate (330) and an oblique tenon groove (340) with required specifications, and then respectively fixing the tenon plate (330) and the oblique tenon groove (340) at two ends of a cross beam (200), between gaps of two C-shaped steel structures (321) and on the inner side wall of the C-shaped steel structure (321);
s2, connecting the steel member with the connecting piece: welding the to-be-connected end of the inclined tenon groove (340) in the gap of the tenon groove (320), and completely removing welding seams, welding slag on two sides of the welding seams, splashing, welding flashes and the like after welding is finished;
s3, ultrasonic flaw detection: after each welding link in the production and processing process is finished, all welding seams are detected by using an ultrasonic flaw detection technology, so that the welding quality is ensured to be good;
s4, component transportation: the components which are finished in production, processing and detection are completely packaged and then are transported to a construction site from a factory building;
s5, mortise and tenon connection: inserting a tenon (310) into the bottom of the mortise (320) from an opening at the upper end of the mortise (320) through hoisting operation, clamping the tenon in position, fastening the tenon plate (330) and the inclined tenon groove (340) tightly, and sequentially and correspondingly contacting the first protruding part (331), the first inclined part (332), the first sunken part (333), the second protruding part (341), the second inclined part (342) and the second sunken part (343) along the bottom surface of the tenon plate (330) and the top surface of the inclined tenon groove (340) so as to clamp the tenon plate (320) and the inclined tenon groove (340);
s6, bolt connection: the tenon-and-mortise components (300) are connected by adopting the high-strength bolts (500) and the connecting plates (350), so that the tenon (310) is further limited to slide in the mortise (320), and the connection is ensured to be firm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111137318.0A CN113789858A (en) | 2021-09-27 | 2021-09-27 | Tenon-and-mortise self-locking connecting system of H-shaped steel structure and construction method thereof |
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| CN202111137318.0A CN113789858A (en) | 2021-09-27 | 2021-09-27 | Tenon-and-mortise self-locking connecting system of H-shaped steel structure and construction method thereof |
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| CN116927334A (en) * | 2023-09-15 | 2023-10-24 | 集术装备科技有限公司 | Hemming section steel assembled building structure and construction method |
| CN116927341A (en) * | 2023-09-15 | 2023-10-24 | 集术装备科技有限公司 | Mounting structure of combined upright post and truss girder and construction method |
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Application publication date: 20211214 |