CN110777936A - Connecting structure and mounting method of box steel column and unequal-height I-shaped steel beam - Google Patents

Connecting structure and mounting method of box steel column and unequal-height I-shaped steel beam Download PDF

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Publication number
CN110777936A
CN110777936A CN201911153480.4A CN201911153480A CN110777936A CN 110777936 A CN110777936 A CN 110777936A CN 201911153480 A CN201911153480 A CN 201911153480A CN 110777936 A CN110777936 A CN 110777936A
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China
Prior art keywords
shaped steel
box
steel
bolt
column
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CN201911153480.4A
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Chinese (zh)
Inventor
梁炯丰
王俭宝
任瑞
薛建阳
肖烨
杨文瑞
梁俊龙
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Xian University of Architecture and Technology
East China Institute of Technology
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Xian University of Architecture and Technology
East China Institute of Technology
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Application filed by Xian University of Architecture and Technology, East China Institute of Technology filed Critical Xian University of Architecture and Technology
Priority to CN201911153480.4A priority Critical patent/CN110777936A/en
Publication of CN110777936A publication Critical patent/CN110777936A/en
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/24Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
    • E04B1/2403Connection details of the elongated load-supporting parts
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/24Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
    • E04B1/2403Connection details of the elongated load-supporting parts
    • E04B2001/2406Connection nodes

Abstract

The invention discloses a connecting structure and a mounting method of a box-type steel column and unequal-height I-shaped steel beams. The connecting node of the box-type steel column and the unequal-height I-shaped steel beams can not only exert the advantages of a combined structure, but also meet the requirements of aesthetic quality and functions, and simultaneously can improve the construction speed, and the node has large ductility and deformability, ensures the construction quality and safety, can be widely applied to various building structures, and greatly promotes the development of the building industry.

Description

Connecting structure and mounting method of box steel column and unequal-height I-shaped steel beam
Technical Field
The invention belongs to the technical field of construction engineering, and particularly relates to a connecting structure and an installation method of a box steel column and an unequal-height I-shaped steel beam.
Background
With the development of modernization, large industrial plants and multi-high-rise and super high-rise buildings are built, and steel structures are used in more and more places. The beam-column connection node in the common steel structure is usually connected by all welding or flange welding-web bolt, and although the node strength and rigidity are high, the ductility and the deformation capability of the connection node are insufficient. And the construction efficiency is low because field welding is needed.
Compared with the existing common connecting node, the main components and the welding process of the assembly type steel connecting node are finished in a factory, only hoisting and bolt connection are needed on site, the construction speed is accelerated, the assembly type steel connecting node has high ductility and deformability, good performance can be kept under the condition of an earthquake or a fire, and the life and property safety of people is ensured.
Disclosure of Invention
The invention provides a connecting structure and a mounting method of a box steel column and an unequal-height I-shaped steel beam, and aims to solve the problems in the background art. The technical scheme of the invention is realized as follows:
a connecting structure of a box steel column and a non-equal-height I-shaped steel beam comprises the box steel column, a high-side I-shaped steel, a low-side I-shaped steel, a horizontal top plate, a triangular plate, a second beam end plate, a second U-shaped steel, angle steel, a first bolt, a second bolt, a first beam end plate and a first U-shaped steel,
a horizontal top plate and a triangular plate are vertically welded on both sides of the box-type steel column, and the triangular plate is vertically welded on the upper end face of the horizontal top plate;
the high-side I-shaped steel and the low-side I-shaped steel are respectively arranged on two sides of the box-shaped steel column and are positioned below the horizontal top plate, two symmetrical first beam end plates are welded at one end of the high-side I-shaped steel, the two first U-shaped steels are respectively arranged on the inner sides of the high-side I-shaped steel close to the two first beam end plates and are connected with the first beam end plates on the sides of the box-shaped steel column through second bolts;
two symmetrical second beam end plates are welded at one end of the low side I-shaped steel, the two second U-shaped steels are respectively arranged on the inner side of the low side I-shaped steel by being close to the two second beam end plates, and are connected with the second beam end plates on the side of the box-shaped steel column through second bolts;
angle steels are arranged at the bottoms of the high-side I-shaped steel and the low-side I-shaped steel, and the two angle steels are respectively connected to two sides of the box-shaped steel column through second bolts;
arrange from top to bottom in proper order horizontal roof, high side I shaped steel upper edge plate, first U shaped steel upper edge plate pass through first bolted connection and are in the same place, arrange from top to bottom in proper order first U shaped steel lower edge plate, high side I shaped steel lower edge plate, angle steel pass through first bolted connection and are in the same place, arrange from top to bottom in proper order horizontal roof, short side I shaped steel upper edge plate, second U shaped steel upper edge plate pass through first bolted connection and are in the same place, arrange from top to bottom in proper order second U shaped steel lower edge plate, short side I shaped steel lower edge plate, angle steel pass through first bolted connection and are in the same place.
In the connection structure of the box-type steel column and the unequal-height I-shaped steel beam, the first bolt is a bilateral bolt.
In the connection structure of the box-type steel column and the unequal-height I-shaped steel beam, the second bolt is a single-side bolt.
In the connection structure of the box-type steel column and the unequal-height I-shaped steel beam, the triangular plate is an isosceles right-angle triangular plate.
In the connecting structure of the box-type steel column and the unequal-height I-shaped steel beam, the angle steel is equilateral angle steel.
A method for mounting a box steel column and an unequal-height I-shaped steel beam is characterized by comprising the following steps of:
the method comprises the following steps: the method comprises the following steps of (1) positioning a welded box-type steel column in a factory, drilling according to the height of I-shaped steel to be connected, reserving bolt holes, positioning and welding a horizontal top plate on two opposite side surfaces of the box-type steel column, welding a triangular plate on the box-type steel column and the horizontal top plate, and welding high-side I-shaped steel and low-side I-shaped steel with beam end plates respectively to complete the manufacturing of a prefabricated part;
step two: transporting the prefabricated box steel column, the high-side I-shaped steel and the low-side I-shaped steel to a construction site and hoisting the box steel column, the high-side I-shaped steel and the low-side I-shaped steel in place;
step three: the method comprises the steps of putting a first U-shaped steel, a second U-shaped steel and angle steel in place, placing the first U-shaped steel close to a first beam end plate and on the inner side of a high-side I-shaped steel, screwing the first U-shaped steel and the first beam end plate on one side of a box-shaped steel column by using a single-side bolt, placing the second U-shaped steel close to a second beam end plate and on the inner side of a low-side I-shaped steel, screwing the second U-shaped steel and the second beam end plate on the other side of the box-shaped steel column by using a single-side bolt, placing two angle steel at the bottoms of the high-side I-shaped steel and the low-side I-shaped steel, screwing the two angle steel and the box-shaped steel column together in sequence by using the single-side bolt, screwing the U-shaped steel, the I-shaped steel and a horizontal top plate together, and screwing the U-shaped steel, the I.
The connecting structure and the mounting method of the box-type steel column and the unequal-height I-shaped steel beam have the following beneficial effects:
(1) the triangular plate not only improves the stability of the connecting node, but also plays a role of a guy cable and distributes the stress of a part of horizontal top plates; the angle steel at the bottom can play a supporting role; the beam end plates welded by the I-shaped steel increase the connecting area of the I-shaped steel and the box-shaped steel column, so that the integrity of the node is stronger; the beam end plate is connected with the box-type steel column through the unilateral bolt, so that the difficulty of screwing the bolt in the box-type steel column is overcome, and the functions of unilateral installation and unilateral screwing can be realized, so that the bolt connection can be completed on the premise of not damaging other parts of the steel pipe without additionally processing an installation hole; compared with the traditional connecting joint, the number of the construction holes of the box-type steel column is reduced, the workload is reduced, and the overall performance of the member is enhanced;
(2) welding of the box-shaped steel column, the horizontal top plate and the triangular plate and welding of the beam end plate and the I-shaped beam are finished in a factory, the prefabricated section steel and the column are hoisted and positioned in a construction site, and then are anchored through bolts to finish installation, compared with the traditional connecting process, on-site welding is not needed, and the construction efficiency is improved;
(3) the connecting nodes of the box-type steel columns and the unequal-height I-shaped steel beams are uniformly arranged in height by adopting the horizontal top plates, so that the requirement on floor smoothness can be met, extra leveling treatment is not needed, and meanwhile, the structural coordination is good;
(4) the defects caused by insufficient welding process are easy to occur on the components welded on the site, the overall utilization and quality control of materials can be ensured by factory manufacture, meanwhile, the production environment of the factory is more variable than the site construction environment, the quality can be better grasped, and on the other hand, the health and the manual safety of workers on the construction site can be effectively ensured;
(5) the connecting node of the box-type steel column and the unequal-height I-shaped steel beams can not only exert the advantages of a combined structure, but also meet the requirements of aesthetic quality and functions, and simultaneously can improve the construction speed, and the node has large ductility and deformability, ensures the construction quality and safety, can be widely applied to various building structures, and greatly promotes the development of the building industry.
Drawings
FIG. 1 is a perspective view of a connection structure of a box-type steel column and an unequal-height I-shaped steel beam according to the invention;
FIG. 2 is a front view of a connection structure of the box-type steel column and the unequal-height I-shaped steel beam of the invention;
FIG. 3 is a right side view of the connection structure of the box type steel column and the unequal-height I-shaped steel beam of the invention;
FIG. 4 is a top view of the connection structure of the box-type steel column and the unequal-height I-shaped steel beam according to the invention;
fig. 5 is a schematic structural view of the first bolt of the present invention.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
As shown in fig. 1 to 5, the connecting structure of a box-type steel column and an i-shaped steel beam with unequal heights includes a box-type steel column 1, a high-side i-shaped steel 2, a low-side i-shaped steel 3, a horizontal top plate 4, a triangular plate 5, a second beam end plate 6, a second U-shaped steel 7, an angle steel 8, a first bolt 9, a second bolt 10, a first beam end plate 11 and a first U-shaped steel 12, wherein the first bolt 9 is a double-sided bolt, the second bolt 10 is a single-sided bolt, the triangular plate 5 is an isosceles right-angled triangular plate, the angle steel 8 is an equilateral angle steel, the horizontal top plate 4 and the triangular plate 5 are vertically welded to both sides of the box-type steel column 1, and the triangular plate 5 is vertically welded to the upper end surface; the high-side I-shaped steel 2 and the low-side I-shaped steel 3 are respectively arranged at two sides of the box-shaped steel column 1 and are positioned below the horizontal top plate 4, one end of the high-side I-shaped steel 2 is welded with two symmetrical first beam end plates 11, the two first U-shaped steels 12 are respectively arranged at the inner sides of the high-side I-shaped steel 2 close to the two first beam end plates 11 and are connected with the first beam end plates 11 at the side of the box-shaped steel column 1 through second bolts 10; one end of the low-side I-shaped steel 3 is welded with two symmetrical second beam end plates 6, the two second U-shaped steels 7 are respectively arranged on the inner sides of the low-side I-shaped steel 3 by being close to the two second beam end plates 6, and are connected with the second beam end plates 6 on the sides of the box-shaped steel columns 1 through second bolts 10; the bottom parts of the high-side I-shaped steel 2 and the low-side I-shaped steel 3 are respectively provided with angle steel 8, and the two angle steels 8 are respectively connected to the two sides of the box-shaped steel column 1 through second bolts 10; horizontal roof 4 that from top to bottom arranged in proper order, 2 sideboard of high side I shaped steel, 12 sideboard of first U shaped steel link together through first bolt 9, 12 sideboard of first U shaped steel that from top to bottom arrange in proper order, 2 sideboard of high side I shaped steel, angle steel 8 links together through first bolt 9, horizontal roof 4 that from top to bottom arrange in proper order, 3 sideboard of short side I shaped steel, 7 sideboard of second U shaped steel link together through first bolt 9, 7 sideboard of second U shaped steel that from top to bottom arrange in proper order, 3 sideboard of short side I shaped steel, angle steel 8 links together through first bolt 9. The idea of bolt connection in the field of factory prefabrication is adopted, and the construction speed is improved. The triangular plate 5 not only improves the stability of the connecting node, but also plays a role of a guy cable and distributes the stress of part of the horizontal top plate 4; the angle steel 8 at the bottom can play a supporting role; the beam end plates welded by the I-shaped steel increase the connecting area of the I-shaped steel and the box-shaped steel column 1, so that the integrity of the node is stronger; the beam end plate is connected with the box-type steel column 1 through the unilateral bolt, so that the difficulty of screwing the bolt in the box-type steel column 1 is overcome, and the functions of unilateral installation and unilateral screwing can be realized, so that the bolt connection can be completed on the premise of not damaging other parts of the steel pipe without additionally processing an installation hole; compared with the traditional connecting joint, the number of the construction holes of the box-type steel column is reduced, the workload is reduced, and the performance of the member is enhanced; the structure coordination is good; the construction speed is improved, the node has high ductility and deformation capacity, and the construction quality and safety are guaranteed.
A method for mounting a box steel column and an unequal-height I-shaped steel beam comprises the following steps: the method comprises the following steps of (1) positioning a welded box type steel column 1 in a factory, drilling according to the height of I-shaped steel to be connected, reserving bolt holes, welding a horizontal top plate 4 on two opposite side surfaces of the box type steel column 1 in a positioning mode, welding a triangular plate 5 on the box type steel column 1 and the horizontal top plate 4, welding a high-side I-shaped steel 2 and a low-side I-shaped steel 3 with a beam end plate 6 respectively, and completing the manufacturing of a prefabricated part; transporting the prefabricated box steel column 1, the high-side I-shaped steel 2 and the low-side I-shaped steel 3 to a construction site and hoisting the box steel column, the high-side I-shaped steel and the low-side I-shaped steel in place; the first U-shaped steel 12, the second U-shaped steel 7 and the angle steel 8 are positioned in place, the first U-shaped steel 12 is arranged on the inner side of the high-side I-shaped steel 2 close to the first beam end plate 11, then, the first U-shaped steel 12 and the first beam end plate 11 are screwed on one side of the box-shaped steel column 1 by using a single-side bolt, the second U-shaped steel 7 is arranged on the inner side of the low-side I-shaped steel 3 close to the second beam end plate 6, then, a second U-shaped steel 7 and a second beam end plate 6 are screwed tightly on the other side of the box-shaped steel column 1 by using a single-side bolt, two angle steels 8 are placed at the bottoms of the high-side I-shaped steel 2 and the low-side I-shaped steel 3, and unilateral bolts are sequentially screwed together with the box-shaped steel column 1, and finally the U-shaped steel, the I-shaped steel and the horizontal top plate 4 are screwed together by the bilateral bolts, and the U-shaped steel, the I-shaped steel and the angle steel 8 are screwed together, so that the installation between the box-shaped steel column and the two I-shaped steel beams with unequal heights is completed.
The present invention is not limited to the embodiments, and any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. A connecting structure of a box steel column and a non-equal-height I-shaped steel beam is characterized by comprising a box steel column (1), a high-side I-shaped steel (2), a low-side I-shaped steel (3), a horizontal top plate (4), a triangular plate (5), a second beam end plate (6), a second U-shaped steel (7), angle steel (8), a first bolt (9), a second bolt (10), a first beam end plate (11) and a first U-shaped steel (12),
a horizontal top plate (4) and a triangular plate (5) are vertically welded on two sides of the box-type steel column (1), and the triangular plate (5) is vertically welded on the upper end face of the horizontal top plate (4);
the high-side I-shaped steel (2) and the low-side I-shaped steel (3) are respectively arranged on two sides of the box-shaped steel column (1) and are positioned below the horizontal top plate (4), two symmetrical first beam end plates (11) are welded at one end of the high-side I-shaped steel (2), the two first U-shaped steels (12) are respectively arranged on the inner side of the high-side I-shaped steel (2) by being close to the two first beam end plates (11) and are connected with the first beam end plates (11) on the side of the box-shaped steel column (1) through second bolts (10);
one end of the short side I-shaped steel (3) is welded with two symmetrical second beam end plates (6), the two second U-shaped steel (7) are respectively arranged on the inner sides of the short side I-shaped steel (3) by being close to the two second beam end plates (6) and are connected with the second beam end plates (6) on the sides of the box-shaped steel columns (1) through second bolts (10);
the bottom parts of the high-side I-shaped steel (2) and the low-side I-shaped steel (3) are respectively provided with an angle steel (8), and the two angle steels (8) are respectively connected to two sides of the box-shaped steel column (1) through second bolts (10);
arrange from top to bottom in proper order horizontal roof (4), high side I-shaped steel (2) roof boarding, first U shaped steel (12) roof boarding link together through first bolt (9), arrange from top to bottom in proper order first U shaped steel (12) lower sideboard, high side I-shaped steel (2) lower sideboard, angle steel (8) link together through first bolt (9), arrange from top to bottom in proper order horizontal roof (4), short side I-shaped steel (3) roof boarding, second U shaped steel (7) roof boarding link together through first bolt (9), arrange from top to bottom in proper order second U shaped steel (7) lower sideboard, short side I-shaped steel (3) lower sideboard, angle steel (8) link together through first bolt (9).
2. The connection structure of the box-type steel column and the unequal-height I-shaped steel beam according to claim 1, wherein the first bolt (9) is a double-sided bolt.
3. The connection structure of the box-type steel column and the unequal-height I-shaped steel beam according to claim 1, wherein the second bolt (10) is a single-side bolt.
4. The connection structure of the box-type steel column and the unequal-height I-shaped steel beam according to claim 1, wherein the triangular plate (5) is an isosceles right-angle triangular plate.
5. The connection structure of the box-type steel column and the unequal-height I-shaped steel beam according to claim 1, wherein the angle steel (8) is an equilateral angle steel.
6. A method for mounting a box steel column and an unequal-height I-shaped steel beam is characterized by comprising the following steps of:
the method comprises the following steps: the method comprises the following steps of (1) placing a welded box type steel column (1) in place in a factory, drilling according to the height of I-shaped steel connected as required, reserving bolt holes, welding a horizontal top plate (4) on two opposite side surfaces of the box type steel column (1) in a positioning manner, then welding a triangular plate (5) on the box type steel column (1) and the horizontal top plate (4), and then welding a high-side I-shaped steel (2) and a low-side I-shaped steel (3) with a beam end plate (6) respectively to complete the manufacturing of a prefabricated part;
step two: transporting the prefabricated box steel column (1), the high-side I-shaped steel (2) and the low-side I-shaped steel (3) to a construction site and hoisting in place;
step three: putting a first U-shaped steel (12), a second U-shaped steel (7) and angle steel (8) in place, putting the first U-shaped steel (12) close to a first beam end plate (11) and placing the first U-shaped steel (12) and the first beam end plate (11) on the inner side of a high-side I-shaped steel (2), screwing the first U-shaped steel (12) and the first beam end plate (11) on one side of a box-shaped steel column (1) by using a single-side bolt, putting the second U-shaped steel (7) close to a second beam end plate (6) and placing the second beam end plate (6) on the inner side of a low-side I-shaped steel (3), screwing the second U-shaped steel (7) and the second beam end plate (6) on the other side of the box-shaped steel column (1) by using a single-side bolt, placing two angle steel (8) at the bottoms of the high-side I-shaped steel (2) and the low-side I-shaped steel (3), screwing the second U-shaped steel (7) and the, The I-shaped steel and the angle steel (8) are screwed together, and the installation between the box-type steel column and the two I-shaped steel beams with different heights is completed.
CN201911153480.4A 2019-11-22 2019-11-22 Connecting structure and mounting method of box steel column and unequal-height I-shaped steel beam Pending CN110777936A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113863506A (en) * 2021-09-29 2021-12-31 沈阳建筑大学 Mixed connection node of assembled concrete column and H shaped steel roof beam
CN114000619A (en) * 2021-12-13 2022-02-01 苏州美瑞德建筑装饰有限公司 Indoor high stability fire partition wall assembled skeleton of all steel construction building

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