CN113323268A - Section steel connecting joint between assembled beams and construction method thereof - Google Patents
Section steel connecting joint between assembled beams and construction method thereof Download PDFInfo
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- CN113323268A CN113323268A CN202110572099.2A CN202110572099A CN113323268A CN 113323268 A CN113323268 A CN 113323268A CN 202110572099 A CN202110572099 A CN 202110572099A CN 113323268 A CN113323268 A CN 113323268A
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
- E04C3/29—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces built-up from parts of different material, i.e. composite structures
- E04C3/293—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces built-up from parts of different material, i.e. composite structures the materials being steel and concrete
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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
- E04B1/30—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts being composed of two or more materials; Composite steel and concrete constructions
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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
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/01—Reinforcing elements of metal, e.g. with non-structural coatings
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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
- E04G13/00—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills
- E04G13/04—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills for lintels, beams, or transoms to be encased separately; Special tying or clamping means therefor
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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
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
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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
- 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
- E04G21/24—Safety or protective measures preventing damage to building parts or finishing work during construction
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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
- E04G21/24—Safety or protective measures preventing damage to building parts or finishing work during construction
- E04G21/246—Safety or protective measures preventing damage to building parts or finishing work during construction specially adapted for curing concrete in situ, e.g. by covering it with protective sheets
Abstract
The invention discloses an assembly type beam-to-beam section steel connecting joint and a construction method thereof. This connected node includes left prefabricated girder steel, right prefabricated girder steel, welding seam, high strength friction type bolt, and the tip of left prefabricated girder steel is provided with left pre-buried shaped steel, and the tip of right prefabricated girder steel is provided with right pre-buried shaped steel. The beams are connected through a connecting device to form a safe and reliable frame beam, the connecting device comprises an upper longitudinal rib, a lower longitudinal rib, a hoop rib, two sections of embedded section steel and a high-strength friction bolt, the upper longitudinal rib and the lower longitudinal rib are lap-welded on a front side plate, a rear side plate and a web plate of the section steel, the hoop rib improves the reliability of a section steel structure in an encrypted mode, the two sections of embedded section steel are special section steel which is pre-manufactured in a factory, and the two sections of prefabricated steel beams are connected through a bolt welding combination method to further ensure that the beams are reliably connected. The whole process is carried out dry operation construction, post-pouring concrete is not needed, the construction is simple, the period is short, the field construction and assembly are convenient, the influence of the environment is small, and the method can be applied to winter construction.
Description
Technical Field
The invention relates to the technical field of assembly type buildings, in particular to an assembly type beam-to-beam section steel connecting node and a construction method thereof.
Background
With the rapid development of economy, the building industry in China also begins to enter the rapid process of building structure industrialization. At present, the construction methods of cast-in-place concrete are more, the construction methods need more labor force, have heavy pollution to the environment and are difficult to ensure the engineering quality, and in order to accelerate the transformation development of the construction industry, the progress of developing the fabricated building should be promoted. The assembly type building can reduce the dependence on labor force, effectively improves the construction efficiency of a construction site in a mechanical operation mode, reduces the environmental pollution in the construction process, and reduces the loss of building materials. Most of the existing connecting methods of the precast beams have more complex installation processes and more wet operation construction methods, are inconvenient for field installation and have great difficulty in popularization. At present, a connecting mode which can be accepted by the market is developed on the basis of considering economic benefits and convenient operation of precast beam structural members.
The lack of the assembly type connecting method is an important reason for restricting the development of the assembly type in China, the current connecting mode is mainly that longitudinal bars are pre-embedded, then the longitudinal bars are connected in various modes, and then concrete is poured to realize the connection of precast beams, and the wet connecting mode cannot shorten the construction period well and has higher construction cost.
Disclosure of Invention
One of the purposes of the invention is to provide an assembly type beam-to-beam section steel connecting node for solving the defects in the prior art, wherein the prefabricated steel beam is safe and reliable in connection, clear in force transmission and capable of improving the overall stability of the structure.
The invention also aims to provide a connecting mode of section steel between assembled beams and girders, so that the mounting is completed with higher efficiency.
In order to achieve the purpose, the invention provides the following technical scheme:
one of the objects of the invention is achieved by: a section steel connecting node between assembled beams comprises a left prefabricated steel beam, a right prefabricated steel beam, a welding seam and a high-strength friction bolt, wherein left embedded section steel is arranged at the end part of the left prefabricated steel beam, and right embedded section steel is arranged at the end part of the right prefabricated steel beam;
the left embedded section steel comprises H-shaped steel and cuboid section steel with unequal sections, wherein a left front side plate, a left rear side plate and a left web plate are fixed at two ends of the H-shaped steel; the right pre-buried section steel comprises H-shaped steel and U-shaped steel with unequal sections, wherein a right front side plate, a right rear side plate and a right web plate are fixed at two ends of the H-shaped steel, the H-shaped steel is pre-buried in the steel beam, the U-shaped steel is connected with the H-shaped steel and extends outwards from the end part of the steel beam, bolt holes are reserved in the U-shaped steel, and the positions of the bolt holes reserved in the cuboid section steel and the U-shaped steel are in one-to-one correspondence; the cuboid section steel and the U-shaped steel pair are connected through a high-strength friction bolt, and flanges are welded through a full penetration groove welding technology;
a plurality of left stirrups are longitudinally arranged in the left prefabricated steel beam, the left embedded steel beam is embedded in the left embedded steel beam for reinforcement of the stirrups, left longitudinal ribs are arranged on the upper portion and the lower portion of the left prefabricated steel beam, and the left longitudinal ribs are welded on a left front side plate, a left rear side plate and a left web plate of the left embedded steel beam; have a plurality of right stirrup along longitudinal arrangement in the prefabricated girder steel of right side, the embedded shaped steel of right side is buried and is carried out the stirrup and encrypt in the embedded girder steel of right side, and upper portion and lower part in the prefabricated girder steel of right side all are provided with the right side and indulge the muscle, the right side is indulged the muscle and is welded on the right front side board of the embedded shaped steel of right side, right rear side board and right web.
As an improvement mode, the left prefabricated steel beam and the right prefabricated steel beam are both manufactured in advance in a factory.
As an improved mode, the left embedded section steel is provided with a left triangular stiffening rib at the variable cross sections of the left rear side plate and the cuboid section steel; and the right embedded section steel is provided with right triangular stiffening ribs at the right rear side plate and the variable cross section of the U-shaped steel.
As an improved mode, a left front side plate of the left pre-buried section steel and a left triangular stiffening rib are buried in the steel beam section, and cuboid section steel is used as a connecting section and is not wrapped in the left prefabricated steel beam; and the right rear side plate of the right pre-buried section steel is embedded in the steel beam section to the right triangular stiffening rib, and the U-shaped steel is used as a connecting section and is not wrapped in the right prefabricated steel beam.
The second purpose of the invention is realized by the following steps: a construction method of a section steel connecting joint between assembled beams comprises the following specific steps:
s1, preparing materials of the left prefabricated steel beam and the right prefabricated steel beam;
s2, performing factory prefabrication of the left prefabricated steel beam;
s2-1, building a template of left prefabricated steel beam concrete;
s2-2, binding a left longitudinal bar and a left stirrup, placing left embedded section steel in the middle of the left longitudinal bar at the tail end of the left longitudinal bar, welding the left longitudinal bar to a left front side plate, a left rear side plate and a left web plate of the left embedded section steel by using a lap welding method, and carrying out stirrup encryption on the part of the left embedded section steel embedded in the left prefabricated steel beam;
s2-3, pouring concrete into the concrete template for prefabricating the steel beam leftwards, and maintaining to finish the factory prefabrication of the left prefabricated steel beam;
s3, repeating the step S2, performing factory prefabrication of the right prefabricated steel beam, and keeping the center lines of the reserved bolt holes of the right pre-buried section steel and the left pre-buried section steel at the same horizontal and vertical distance when the right pre-buried section steel is pre-buried;
s4, splicing the left prefabricated steel beam and the right prefabricated steel beam on site;
s4-1, hoisting the left prefabricated steel beam and the right prefabricated steel beam to the same height, embedding the left embedded section steel into the right embedded section steel, and completely overlapping the bolt holes reserved in the left embedded section steel and the right embedded section steel;
s4-2, after being completely embedded into the reserved hole, connecting by using a high-strength friction type bolt;
s4-3, connecting the two sections of section steel by a welding method, namely welding the flanges by using a full penetration groove.
As a refinement, the step 1 includes:
1-1, preparing various consumables required by a left prefabricated steel beam and a right prefabricated steel beam;
step 1-2, preparing left pre-buried section steel and right pre-buried section steel;
and 1-3, preparing the high-strength friction type bolt.
Compared with the prior art, the invention has the beneficial effects that:
the prefabricated steel beam component can be spliced only by hoisting and bolting welding connection during site construction, concrete post-pouring is not needed, winter construction can be realized, the working efficiency is improved, the construction time is shortened, and the assembly type dry connection mode is enriched.
Drawings
FIG. 1 is a schematic view of the connection of two prefabricated steel beams according to the present invention;
FIG. 2 is a schematic structural view of the left pre-buried section steel of the present invention;
FIG. 3 is a schematic structural view of a right embedded section steel of the present invention;
FIG. 4 is a flow chart of the construction method of the present invention;
in the figure: 1. the steel beam comprises a left prefabricated steel beam, a right prefabricated steel beam, 3, left embedded section steel, 4, right embedded section steel, 5, left longitudinal ribs, 6, left stirrups, 7, left stiffening ribs, 8, right stiffening ribs, 9, high-strength friction bolts, 10, welding seams, 11, a left web plate, 12, a right web plate, 13, a left front side plate, 14, a left rear side plate, 15, a right front side plate, 16, a right rear side plate, 17, right longitudinal ribs, 18 and right stirrups.
Detailed Description
In order that those skilled in the art may better understand the present invention, the following detailed description of the embodiments of the present invention will be provided in conjunction with the accompanying drawings.
The dry connection is mainly realized by embedding steel components in advance and connecting the components in a welding or bolt mode, post-cast concrete is not needed during connection, and the invention provides the novel section steel connection node of the fabricated beam in order to overcome the defect of the assembly connection node. As shown in fig. 1, the section steel connection node between the assembled beams and the beams comprises a left prefabricated steel beam 1, a right prefabricated steel beam 2, a welding seam 10 and a high-strength friction bolt 9, wherein two sections of pre-embedded section steel are connected through a connecting device, namely, the parts, which are not wrapped by concrete, of the two sections of section steel are connected through the high-strength friction bolt 9, and the flanges are welded through a full penetration groove welding technology. The prefabricated steel beam sections are manufactured in factories so as to reduce environmental pollution and improve installation efficiency.
Connecting device includes that upper portion and lower part are indulged muscle 5, left stirrup 6, upper portion and lower part right side and are indulged muscle 17, right stirrup 18, left pre-buried shaped steel 3, the pre-buried shaped steel 4 in right side, on the left front side board 13, left rear side board 14 and the left web 11 of pre-buried shaped steel 3 in a left side were welded to muscle 5 was indulged in a left side to the upper portion of prefabricated girder steel 1 in a left side, the pre-buried shaped steel 3 in a left side buries and carries out left stirrup 6 and encrypt to reinforcing shaped steel stability. The upper portion of right precast steel beam 2, lower part right longitudinal bar 17 weld to right embedded steel 4 on right front curb plate 15, right posterior lateral plate 16 and right web 12, and right embedded steel 4 buries in right embedded steel beam 2 department and carries out right stirrup 18 and encrypt to reinforcing shaped steel stability.
As shown in fig. 2, pre-buried shaped steel 3 in a left side includes that both sides add the H shaped steel that welds left front side board 13, left rear side board 14 and the cuboid shaped steel of section of unequal constitution, reserve 6 bolt holes in the middle of the cuboid shaped steel, pre-buried shaped steel 3 in a left side is provided with left triangle-shaped stiffening rib 7 in left rear side board 14 and cuboid shaped steel variable cross section department. As shown in fig. 3, the right pre-buried section steel 4 comprises H-shaped steel and U-shaped steel with unequal cross sections, the two sides of which are welded with steel plates, 6 bolt holes are reserved in the middle of the U-shaped steel, and the right pre-buried section steel 4 is provided with right triangular stiffening ribs 8 at the right front side plate 15 and the variable cross section of the U-shaped steel. The reserved bolt holes are located on the same horizontal and vertical positions of the cuboid section steel and the U-shaped steel.
Left front side board 13 to left triangle-shaped stiffening rib 7 of pre-buried shaped steel 3 in a left side are buried in the girder steel section, and cuboid shaped steel is as the linkage segment, does not wrap up in prefabricated girder steel section 1 in a left side, the right back curb plate 16 to right triangle-shaped stiffening rib 8 department of pre-buried shaped steel 4 in the right side are buried in the girder steel section, and U shaped steel is as the linkage segment, does not wrap up in prefabricated girder steel 2 in the right side.
Description of the drawings: in order to simplify the drawing, longitudinal bars and stirrups in two sections of prefabricated steel beams are not marked one by one, and the longitudinal bars and the stirrups are not distinguished. The upper and lower webs of the two sections of embedded section steel are not marked independently, and the upper and lower webs are not distinguished.
The construction method of the section steel connecting node between the assembled beams is shown in fig. 4, and comprises the following specific steps:
s1, preparing materials of the left prefabricated steel beam 1 and the right prefabricated steel beam 2;
s1-1, preparing consumables such as various reinforcing steel bars, cement, stones, sand and the like required by the prefabricated steel beam 1 and the prefabricated steel beam 2;
s1-2, preparing pre-buried section steel 3 and pre-buried section steel 4;
s1-3, preparing a high-strength friction type bolt 9;
s2, performing factory prefabrication of the left prefabricated steel beam 1;
s2-1, building a concrete template of the left prefabricated steel beam 1;
s2-2, binding a left longitudinal bar 5 and a left stirrup 6, placing the left embedded section steel 3 in the middle of the left longitudinal bar 5 at the tail end of the left longitudinal bar 5, welding the left longitudinal bar 5 to a left front side plate 13, a left rear side plate 14 and a left web plate 11 of the left embedded section steel 3 by using a lap welding method, and encrypting the stirrup 6 at the part of the left embedded section steel 3 embedded in the left prefabricated steel beam 1 to improve the overall stability of the left embedded section steel 3;
s2-3, pouring concrete into the concrete template for prefabricating the steel beam 1 leftwards, and maintaining to finish the factory prefabrication of the left prefabricated steel beam 1;
s3, repeating the step S2, performing factory prefabrication of the right prefabricated steel beam 2, and when the right embedded section steel 4 is embedded in advance, keeping the center lines of the reserved bolt hole of the right embedded section steel 4 and the reserved bolt hole of the left embedded section steel 3 at the same horizontal and vertical distance so as to be convenient for splicing on site at the back;
s4, splicing the left prefabricated steel beam 1 and the right prefabricated steel beam 2 on site;
s4-1, hoisting the left prefabricated steel beam 1 and the right prefabricated steel beam 2 to the same height, embedding the left embedded section steel 3 into the right embedded section steel 4, and completely overlapping the reserved bolt holes of the left embedded section steel and the right embedded section steel;
s4-2, after being completely embedded into the reserved hole, connecting by using a high-strength friction type bolt 9; the high-strength friction type bolt 9 is rotated to ensure that the connection is reliable;
s4-3, connecting two sections of section steel by a welding method, namely welding flanges by using a full penetration groove to enhance the ductility of the welding joint 10;
s4-4, checking whether the high-strength friction type bolt 9 is screwed down and whether the welding seam 10 meets the requirement.
The joint structure is convenient to install, has low technical requirements on workers, and can be connected only by screwing the high-strength friction type bolt and welding the connecting parts of the two sections of section steel; the components are prefabricated in factories, concrete does not need to be poured in situ, the construction time can be effectively shortened, the environmental temperature in the structural construction process does not need to be considered, and the quality of the components is high; the node connection is safe and reliable, and the structural bearing capacity of the fabricated building is improved.
In summary, the assembly type beam-to-beam section steel connection node comprises two sections of cast-in-place beams, the beams are connected through a connection device to form a safe and reliable frame beam, the connection device comprises an upper longitudinal rib, a lower longitudinal rib, a hoop rib, two sections of pre-embedded section steel and a high-strength friction type bolt, the upper longitudinal rib and the lower longitudinal rib are welded on a front side plate, a rear side plate and a web plate of the section steel in a lap welding mode, the hoop rib improves the reliability of the section steel structure in an encryption mode, the two sections of pre-embedded section steel are special section steel which is pre-manufactured in a factory, and at about 1/4, the two sections of prefabricated steel beams are connected through a bolt welding. The whole process is carried out dry operation construction, post-pouring concrete is not needed, the construction is simple, the period is short, the field construction and assembly are convenient, the influence of the environment is small, and the method can be applied to winter construction.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a shaped steel connected node between assembled roof beam, includes left prefabricated girder steel (1), right prefabricated girder steel (2), welding seam (10), high strength friction type bolt (9), its characterized in that: the end part of the left prefabricated steel beam (1) is provided with left embedded section steel (3), and the end part of the right prefabricated steel beam (2) is provided with right embedded section steel (4);
the left embedded section steel (3) comprises H-shaped steel and cuboid section steel with unequal sections, wherein a left front side plate (13), a left rear side plate (14) and a left web plate (11) are fixed at two ends of the H-shaped steel, the H-shaped steel is embedded in the steel beam, the cuboid section steel is connected with the H-shaped steel and extends outwards from the end part of the steel beam, and bolt holes are reserved in the cuboid section steel; the right embedded section steel (4) comprises H-shaped steel and U-shaped steel with unequal sections, wherein a right front side plate (15), a right rear side plate (16) and a right web plate (12) are fixed at two ends of the H-shaped steel, the H-shaped steel is embedded in the steel beam, the U-shaped steel is connected with the H-shaped steel and extends outwards from the end part of the steel beam, bolt holes are reserved in the U-shaped steel, and the positions of the bolt holes reserved in the cuboid section steel and the U-shaped steel correspond to each other one by one; the cuboid section steel and the U-shaped steel pair are connected through a high-strength friction bolt (9), and flanges are welded through a full penetration groove welding technology;
a plurality of left stirrups (6) are longitudinally arranged in the left prefabricated steel beam (1), the left embedded section steel (3) is embedded in the left embedded steel beam (1) for stirrup encryption, left longitudinal reinforcements (5) are arranged on the upper portion and the lower portion of the left prefabricated steel beam (1), and the left longitudinal reinforcements (5) are welded on a left front side plate (13), a left rear side plate (14) and a left web plate (11) of the left embedded steel beam (3); have a plurality of right stirrup (18) along longitudinal arrangement in prefabricated girder steel (2) of the right side, embedded shaped steel (4) of the right side is buried and is carried out the stirrup and encrypt in pre-buried girder steel (2) of the right side, and upper portion and lower part in prefabricated girder steel (2) of the right side all are provided with right side and indulge muscle (17), it welds on right front side board (15), right rear side board (16) and right web (12) of pre-buried shaped steel (4) to indulge muscle (17) on the right side.
2. The fabricated beam-to-beam section steel connection node as claimed in claim 1, wherein the left precast steel beam (1) and the right precast steel beam (2) are prefabricated in a factory.
3. The fabricated beam-to-beam section steel connecting joint as claimed in claim 1, wherein the left embedded section steel (3) is provided with a left triangular stiffening rib (7) at the variable cross-section positions of the left rear side plate (14) and the rectangular parallelepiped section steel; and the right embedded profile steel (4) is provided with right triangular stiffening ribs (8) at the variable cross sections of the right rear side plate (16) and the U-shaped steel.
4. The assembled beam-to-beam section steel connection node as claimed in claim 3, wherein the left front side plate (13) to the left triangular stiffening rib (7) of the left pre-embedded section steel (3) are embedded in the steel beam section, and the cuboid section steel is used as the connection section and is not wrapped in the left prefabricated steel beam (1); and a right rear side plate (16) of the right embedded section steel (4) is embedded in the steel beam section to the right triangular stiffening rib (8), and the U-shaped steel is used as a connecting section and is not wrapped in the right prefabricated steel beam (2).
5. The construction method of the assembly type beam-to-beam section steel connecting node as claimed in any one of claims 1 to 4, characterized by comprising the following specific steps:
s1, preparing materials of the left prefabricated steel beam (1) and the right prefabricated steel beam (2); s2, performing factory prefabrication of the left prefabricated steel beam (1);
s2-1, building a concrete template of the left prefabricated steel beam (1);
s2-2, binding a left longitudinal bar (5) and a left stirrup (6), placing the left embedded section steel (3) in the middle of the left longitudinal bar (5) at the tail end of the left longitudinal bar (5), welding the left longitudinal bar (5) to a left front side plate (13), a left rear side plate (14) and a left web plate (11) of the left embedded section steel (3) by using a lap welding method, and encrypting the stirrup (6) of the part of the left embedded section steel (3) embedded in the left prefabricated steel beam (1);
s2-3, pouring concrete into the concrete template of the left prefabricated steel beam (1) and maintaining to finish the factory prefabrication of the left prefabricated steel beam (1);
s3, repeating the step S2, performing factory prefabrication of the right prefabricated steel beam (2), and keeping the center lines of the reserved bolt holes of the right pre-buried section steel (4) and the reserved bolt holes of the left pre-buried section steel (3) at the same horizontal and vertical distance when the right pre-buried section steel (4) is pre-buried;
s4, splicing the left prefabricated steel beam (1) and the right prefabricated steel beam (2) on site;
s4-1, hoisting the left prefabricated steel beam (1) and the right prefabricated steel beam (2) to the same height, embedding the left embedded section steel (3) into the right embedded section steel (4), and completely overlapping the reserved bolt holes of the left embedded section steel and the right embedded section steel;
s4-2, after being completely embedded into the reserved hole, connecting by using a high-strength friction type bolt (9);
s4-3, connecting the two sections of section steel by a welding method, namely welding the flanges by using a full penetration groove.
6. The construction method according to claim 5, wherein the step 1 comprises:
1-1, preparing various consumables required by a left prefabricated steel beam (1) and a right prefabricated steel beam (2);
step 1-2, preparing left pre-buried section steel (3) and right pre-buried section steel (4);
and 1-3, preparing a high-strength friction type bolt (9).
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| CN202110572099.2A CN113323268A (en) | 2021-05-25 | 2021-05-25 | Section steel connecting joint between assembled beams and construction method thereof |
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| CN202110572099.2A CN113323268A (en) | 2021-05-25 | 2021-05-25 | Section steel connecting joint between assembled beams and construction method thereof |
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| CN111335468A (en) * | 2020-03-20 | 2020-06-26 | 哈尔滨工业大学 | Slidable self-resetting node connecting structure for assembled concrete beam column and assembling method |
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| CN205975960U (en) * | 2016-08-17 | 2017-02-22 | 沈阳建筑大学 | Novel assembled roof beam post nodal connection device |
| CN108277881A (en) * | 2017-01-05 | 2018-07-13 | 北京智慧云建科技有限公司 | A kind of assembled beam-column connecting node |
| CN110409611A (en) * | 2018-05-17 | 2019-11-05 | 东北林业大学 | A kind of novel prefabricated assembled concrete beam section steel connecting node |
| CN209990017U (en) * | 2019-03-13 | 2020-01-24 | 深圳怡家世纪科技有限公司 | Novel full assembled modularization post structure and beam column structure |
| CN111335468A (en) * | 2020-03-20 | 2020-06-26 | 哈尔滨工业大学 | Slidable self-resetting node connecting structure for assembled concrete beam column and assembling method |
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