CN108915083B - Novel assembled cold-formed thick wall shaped steel frame-bearing structure system - Google Patents

Novel assembled cold-formed thick wall shaped steel frame-bearing structure system Download PDF

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Publication number
CN108915083B
CN108915083B CN201810738021.1A CN201810738021A CN108915083B CN 108915083 B CN108915083 B CN 108915083B CN 201810738021 A CN201810738021 A CN 201810738021A CN 108915083 B CN108915083 B CN 108915083B
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China
Prior art keywords
frame
column
outer sleeve
connecting piece
supporting
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CN201810738021.1A
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Chinese (zh)
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CN108915083A (en
Inventor
石宇
周绪红
向弋
徐云鹏
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Chongqing University General Institute of architectural planning and Design Co.,Ltd.
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Chongqing University
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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
    • 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
    • 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
    • E04HBUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H9/00Buildings, or groups of buildings, or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake, extreme climate
    • E04H9/02Buildings, or groups of buildings, or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake, extreme climate withstanding earthquake or sinking of ground
    • E04H9/021Bearing, supporting or connecting constructions specially adapted for such buildings
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04HBUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H9/00Buildings, or groups of buildings, or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake, extreme climate
    • E04H9/02Buildings, or groups of buildings, or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake, extreme climate withstanding earthquake or sinking of ground
    • E04H9/024Structures with steel columns and beams
    • 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 provides a novel assembly type cold-formed thick-wall section steel frame-supporting structure system and a construction method thereof. The structure system comprises a frame column, a frame beam and a support diagonal rod arranged in a space S defined by the frame beam column. The frame column is sleeved with an outer sleeve at the beam column connecting position. The construction method of the structural system comprises the steps of hoisting the frame column, arranging the outer sleeve, installing the connecting piece, installing the frame beam, hoisting the supporting diagonal rod and the like. The structural system has the advantages of less on-site welding workload, high construction speed and small influence on the environment. And the prefabricated assembly type construction is adopted, so that the installation and the operation are simple and convenient. The shock resistance is good. When the structure system is dismantled, can high-efficient recycle, reduce building rubbish, realize green theory.

Description

Novel assembled cold-formed thick wall shaped steel frame-bearing structure system
Technical Field
The invention relates to the field of cold-formed thick-wall section steel structures, in particular to a cold-formed thick-wall section steel frame-supporting structure system.
Background
The cold-formed steel is used as an economic, efficient and high-utilization green building material, and has the characteristics of convenience in processing and installation, short construction period, easiness in large-scale production and the like. The cold-formed steel structure has become an important form of residential buildings at home and abroad. The cold-formed thick-walled section steel has received wide attention from domestic and foreign scholars because of higher strength, better ductility and wide applicability, and will become an important trend for the development of cold-formed section steel in future.
In a structural system commonly used in engineering, a frame-support structural system has better seismic performance, space use is flexible, construction and installation are convenient, and beam-column joint connection and connection between a frame and a support are key problems in system development. In the past, beam-column joint connection is usually welded or bolted, but the seismic performance of the welded joint is poor, the construction period is long due to field welding, and the quality is difficult to guarantee; and the high-strength bolt connection has good anti-seismic performance, but for a closed section, the problems of difficult bolt tightening, complex construction and the like exist. In addition, in the hollow square steel pipe column-beam connection node, column wall tensile failure often occurs.
Disclosure of Invention
The present invention is provided to solve the problems in the prior art.
The technical scheme adopted for achieving the purpose of the invention is that the construction method of the novel assembly type cold-formed thick-wall section steel frame-support structure system comprises the following steps:
1) and hoisting the whole layer of frame columns in sequence. The frame column is a rectangular cold-bending thick-wall section steel column.
2) And sleeving an outer sleeve at the beam-column connection part of the frame column, and welding the outer sleeve and the peripheral column wall of the frame column.
3) And connecting pieces are sequentially arranged in the same layer. Wherein, the connecting piece includes the end plate to and with the first riser and the second riser of end plate perpendicular arrangement. Two connecting pieces are respectively arranged on the opposite side column walls of two adjacent frame columns. The connecting piece is arranged at the beam-column connection position. The connecting piece is fixedly connected with the frame column through a single-side bolt. And a screw rod of the unilateral bolt sequentially penetrates through the end plate, the corresponding outer sleeve and the column wall of the frame column.
4) And frame beams are sequentially arranged in the same layer. The frame beam is a rolled H-shaped steel beam. After the frame beam is hoisted in place, the second vertical plate of the connecting piece is positioned in a space S surrounded by the frame beam columns. And two ends of the web plate of the frame beam are respectively clung to the first vertical plate of the corresponding connecting piece and connected through high-strength bolts.
5) And hoisting the supporting diagonal rods, and connecting the supporting diagonal rods with the corresponding connecting pieces by using high-strength bolts. The support diagonal rod is made of rolled edge groove type cold-bending thick-wall section steel. The support diagonal rods are obliquely arranged, and two ends of each support diagonal rod are fixedly connected with the second vertical plates in the S diagonal direction of the space surrounded by the frame beam columns. The notch of the supporting diagonal rod deviates from the surface of the first vertical plate.
Furthermore, the outer sleeve is composed of four flitch plates welded on the column walls around the frame columns. The four flitch plates are connected by welding.
The invention also discloses a novel assembly type cold-formed thick-wall section steel frame-supporting structure system manufactured by the construction method, which comprises frame columns, frame beams and supporting inclined rods arranged in a space S defined by the frame beams and the frame beams.
The frame column is sleeved with an outer sleeve at the beam column connecting position. The outer sleeve is welded with the peripheral column wall of the frame column.
And a connecting piece is arranged at the outer sleeve. The connecting piece comprises an end plate, and a first vertical plate and a second vertical plate which are perpendicular to the end plate. The end plate is fixedly connected with the column wall corresponding to the outer sleeve and the frame column through a single-side bolt.
The frame beam is fixedly connected with the frame column at a node through a first vertical plate of the connecting piece. The supporting inclined rod is fixedly connected with the frame column through a second vertical plate of the connecting piece.
The technical effects of the invention are undoubted:
A. the field welding workload is less, the construction speed is high, and the influence on the environment is small;
B. the prefabricated construction is adopted, so that the installation and the operation are simple and convenient;
C. the cold-formed thick-walled steel member can undergo sufficient plastic deformation before being damaged, and has good anti-seismic performance indexes such as ductility and energy consumption capability;
D. when the structure system is dismantled, can high-efficient recycle, reduce building rubbish, realize green theory.
Drawings
FIG. 1 is a schematic diagram of a frame-support structure architecture;
FIG. 2 is a diagram of the overall effect of the frame-support structure system;
FIG. 3 is a view showing the connection of the supporting diagonal members;
FIG. 4 is a schematic view of a connector structure;
fig. 5 is a connection relation diagram of the connecting piece.
In the figure: the space S, the frame column 1, the frame beam 2, the support diagonal rods 3, the connecting piece 4, the end plate 401, the first vertical plate 402, the second vertical plate 403, the outer sleeve 5 and the flitch plate 501.
Detailed Description
The present invention is further illustrated by the following examples, but it should not be construed that the scope of the above-described subject matter is limited to the following examples. Various substitutions and alterations can be made without departing from the technical idea of the invention and the scope of the invention is covered by the present invention according to the common technical knowledge and the conventional means in the field.
Example 1:
the embodiment discloses a construction method of a novel assembly type cold-formed thick-wall section steel frame-supporting structure system, which comprises the following steps:
1) and hoisting the whole layer of frame columns 1 in sequence. The frame column 1 is a rectangular cold-bending thick-wall section steel column.
2) In a construction site, the outer sleeve 5 is sleeved at the beam-column connection part of the frame column 1, and the outer sleeve 5 and the peripheral column wall of the frame column 1 are welded.
3) The connecting elements 4 are mounted in sequence in the same layer. Wherein the connector 4 comprises an end plate 401, and a first riser 402 and a second riser 403 arranged perpendicular to the end plate 401. Two connecting pieces 4 are respectively arranged on the opposite side column walls of two adjacent frame columns 1. The connecting piece 4 is arranged at the beam-column connection. And the connecting piece 4 is fixedly connected with the frame column 1 through a single-side bolt. The screw of the unilateral bolt sequentially passes through the end plate 401, the corresponding outer sleeve 5 and the column wall of the frame column 1.
4) The frame beams 2 are mounted in sequence in the same floor. Wherein, the frame beam 2 is a rolled H-shaped steel beam. After the frame beam 2 is hoisted in place, the second vertical plate 403 of the connecting piece 4 is positioned in the space S enclosed by the frame beam columns. Two ends of the web plate of the frame beam 2 are respectively clung to the first vertical plate 402 of the corresponding connecting piece 4 and connected through high-strength bolts.
5) And hoisting the supporting inclined rod 3, and connecting the supporting inclined rod 3 and the corresponding connecting piece 4 by using a high-strength bolt. The support diagonal rods 3 are made of rolled edge groove type cold-bending thick-wall section steel. The support diagonal rods 3 are obliquely arranged, and two ends of each support diagonal rod 3 are fixedly connected with the second vertical plates 402 in the diagonal direction of the space S surrounded by the frame beam columns. The notches of the support struts 3 face away from the face of the first riser 402.
It is worth explaining that the problem of connection and assembly construction of the frame and the support is solved, the anti-seismic performance of the cold-formed steel structure is improved, and the prefabricated assembly type construction is adopted, so that the field welding workload is low, the construction speed is high, and the influence on the environment is small.
Example 2:
referring to fig. 1 and 2, the present embodiment discloses a novel fabricated cold-formed thick-walled steel frame-support structure system manufactured by the construction method described in embodiment 1, which includes frame columns 1, frame beams 2, and support diagonal rods 3 disposed in a space S surrounded by the frame beams and columns.
Referring to fig. 3, a frame-support structure system is illustrated by taking two adjacent frame columns 1 and two corresponding frame beams 2 as an example. The two frame posts 1 are labeled first and second frame posts.
The frame column 1 is sleeved with an outer sleeve 5 at the joint of two beam columns. The outer sleeve 5 is composed of four flitch plates 501 welded on the column walls around the frame column 1. The four flitch plates 501 are connected by welding. Two connecting pieces 4 are arranged on the opposite side column walls of the first frame column and the second frame column respectively. The connecting piece 4 is arranged at the beam-column connection.
Referring to fig. 3, the connector 4 includes an end plate 401, and a first riser 402 and a second riser 403 arranged perpendicular to the end plate 401. The end plate 401, first riser 402 and second riser 403 are all vertically disposed. The faces of the first riser 402 and the second riser 403 are in the same plane. And the connecting piece 4 is fixedly connected with the frame column 1 through a single-side bolt. The screw of the unilateral bolt sequentially passes through the end plate 401, the corresponding outer sleeve 5 and the column wall of the frame column 1. Of the 4 connectors 4, the connector 4 located on the upper portion of the first frame post is labeled as a first connector, the connector 4 located on the lower portion of the first frame post is labeled as a second connector, the connector 4 located on the upper portion of the second frame post is labeled as a third connector, and the connector 4 located on the lower portion of the second frame post is labeled as a fourth connector. In the first and fourth connections, the first riser 402 is above the second riser 403. In the second and third connections, the first riser 402 is below the second riser 403. The second vertical plate 403 is located in a space S surrounded by the frame beam columns.
The two frame beams 2 are marked as upper and lower frame beams. The upper frame beam is connected and fixed to the frame post 1 at a node by a first riser 402 of a first connector and a fourth connector. The lower frame beam is connected and fixed with the frame column 1 at the node point by the first risers 402 of the second and third connectors. Two ends of the web plate of the frame beam 2 are respectively clung to the first vertical plate 402 of the corresponding connecting piece 4 and connected through high-strength bolts.
The two supporting diagonal rods 3 are marked as first supporting diagonal rods and second supporting diagonal rods. The first supporting diagonal rod is connected and fixed with the frame column 1 through a first connecting piece and a second vertical plate 403 of a third connecting piece. Referring to fig. 5, the second supporting diagonal is connected and fixed with the frame column 1 through the second vertical plate 403 of the second connector and the fourth connector. The notches of the support struts 3 face away from the face of the first riser 402. The frame column 1 and the frame beam 2 are connected to form a frame system, and the support diagonal rods 3 are arranged in the frame to form a frame-support system.
In the embodiment, cold-formed thick-wall section steel is used as a main stress component of the frame-support structure system, column walls at joints are thickened through an outer sleeve 5 at beam-column joints, and rolled H-shaped steel frame beams, rectangular cold-formed thick-wall section steel columns and turned-edge groove type cold-formed thick-wall section steel supporting pieces are connected through connecting pieces, so that the assembly type cold-formed thick-wall section steel frame-support structure system is formed. The cold-formed thick-wall steel member is adopted, the anti-seismic performance is good, all the components are prefabricated in a factory, except that the outer sleeve 5 needs to be welded on a construction site, all the components are directly assembled into a structural framework by adopting the unilateral bolt and the high-strength bolt, the real assembly construction is realized, the construction efficiency can be obviously improved, and the development of the assembly building is accelerated.

Claims (2)

1. A construction method of a novel assembly type cold-formed thick-wall steel frame-supporting structure system is characterized by comprising the following steps:
1) hoisting the whole layer of frame columns (1) in sequence; the frame column (1) is a rectangular cold-bending thick-wall section steel column;
2) sleeving an outer sleeve (5) at the beam-column connection part of the frame column (1), and welding the outer sleeve (5) and the peripheral column wall of the frame column (1); wherein, the outer sleeve (5) is composed of four flitch plates (501) welded on the peripheral column wall of the frame column (1); the four flitch plates (501) are connected by welding;
3) connecting pieces (4) are sequentially arranged in the same layer; wherein the connection (4) comprises an end plate (401), and a first riser (402) and a second riser (403) arranged perpendicular to the end plate (401); two connecting pieces (4) are respectively arranged on the opposite side column walls of two adjacent frame columns (1); the connecting piece (4) is arranged at the beam-column connection part; the connecting piece (4) is fixedly connected with the frame column (1) through a unilateral bolt; the screw of the unilateral bolt sequentially penetrates through the end plate (401), the corresponding outer sleeve (5) and the column wall of the frame column (1);
4) frame beams (2) are sequentially arranged in the same layer; wherein the frame beam (2) is a rolled H-shaped steel beam; after the frame beam (2) is hoisted in place, a second vertical plate (403) of the connecting piece (4) is positioned in a space S surrounded by the frame beam columns; two ends of a web plate of the frame beam (2) are respectively clung to a first vertical plate (402) of the corresponding connecting piece (4) and connected through a high-strength bolt;
5) hoisting the supporting diagonal rods (3), and connecting the supporting diagonal rods (3) with the corresponding connecting pieces (4) by using high-strength bolts; the support diagonal rod (3) is made of rolled edge groove type cold-formed thick-walled section steel; the support diagonal rods (3) are obliquely arranged, and two ends of each support diagonal rod (3) are fixedly connected with a second vertical plate (403) in the diagonal direction of a space S surrounded by the frame beam columns respectively; the notch of the supporting diagonal rod (3) faces away from the surface of the first vertical plate (402).
2. A novel fabricated cold-formed thick-walled steel frame-supporting structural system manufactured by the construction method of claim 1, wherein the fabricated cold-formed thick-walled steel frame-supporting structural system is characterized in that: comprises a frame column (1), a frame beam (2) and a support diagonal rod (3) arranged in a space S enclosed by the frame beam and the frame column;
an outer sleeve (5) is sleeved at the beam-column connection position of the frame column (1); the outer sleeve (5) is welded with the peripheral column wall of the frame column (1);
a connecting piece (4) is arranged at the outer sleeve (5); the connector (4) comprises an end plate (401), and a first riser (402) and a second riser (403) arranged perpendicular to the end plate (401); the end plate (401) is fixedly connected with the corresponding outer sleeve (5) and the column wall of the frame column (1) through a single-side bolt;
the frame beam (2) is fixedly connected with the frame column (1) at a node through a first vertical plate (402) of a connecting piece (4); the supporting diagonal rod (3) is fixedly connected with the frame column (1) through a second vertical plate (403) of the connecting piece (4).
CN201810738021.1A 2018-07-06 2018-07-06 Novel assembled cold-formed thick wall shaped steel frame-bearing structure system Active CN108915083B (en)

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Application Number Priority Date Filing Date Title
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CN109707037B (en) * 2018-12-28 2021-04-20 长安大学 Self-resetting energy dissipation system of assembled frame structure and construction method thereof
CN112854452B (en) * 2021-02-25 2022-07-01 中铁华联建设工程有限公司 Steel structure assembling unit for building

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FR2317717B1 (en) * 1975-07-11 1980-05-09 Menabe Edme
UA67938A (en) * 2003-06-17 2004-07-15 Prydniprovska State Acad Eng Steel frame skeleton of multi-storey building
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CN201738458U (en) * 2010-08-31 2011-02-09 武汉长丰赛博思钢结构工程有限公司 Novel assembly type end-plate connecting node of cold-bending rectangular steel pipe column and H type steel beam
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Effective date of registration: 20210120

Address after: No.83, Shabei street, Shapingba District, Chongqing 400044

Patentee after: Chongqing University General Institute of architectural planning and Design Co.,Ltd.

Address before: 400044 No. 174 Sha Jie street, Shapingba District, Chongqing

Patentee before: Chongqing University