CN111734049A - Box-type steel column with cross stiffening steel structure inside and manufacturing method - Google Patents

Box-type steel column with cross stiffening steel structure inside and manufacturing method Download PDF

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Publication number
CN111734049A
CN111734049A CN202010586827.0A CN202010586827A CN111734049A CN 111734049 A CN111734049 A CN 111734049A CN 202010586827 A CN202010586827 A CN 202010586827A CN 111734049 A CN111734049 A CN 111734049A
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China
Prior art keywords
steel
box body
cross
shaped
plate
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CN202010586827.0A
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Chinese (zh)
Inventor
唐香君
罗声祥
骆贵波
夏杰
徐兵
於立军
周睿
刘克敏
于靖玉
赵杭琪
陈昌辉
王昆
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Hangxiao Steel Structure Co Ltd
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Hangxiao Steel Structure Co Ltd
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Application filed by Hangxiao Steel Structure Co Ltd filed Critical Hangxiao Steel Structure Co Ltd
Priority to CN202010586827.0A priority Critical patent/CN111734049A/en
Publication of CN111734049A publication Critical patent/CN111734049A/en
Pending legal-status Critical Current

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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04CSTRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00Structural elongated elements designed for load-supporting
    • E04C3/30Columns; Pillars; Struts
    • E04C3/32Columns; Pillars; Struts of metal
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K31/00Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
    • B23K31/02Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding

Abstract

A box-type steel column with a cross-shaped stiffening steel structure inside and a manufacturing method thereof are provided, wherein the box-type steel column comprises a steel box body, a cavity with two through ends is formed in the steel box body, and a mounting seam is formed in the top of the steel box body along the length direction of the steel box body; the cross-shaped steel structure is arranged in the center of the cavity of the steel box body and comprises a cross-shaped steel column and a stud arranged on the cross-shaped steel column, and the cross-shaped steel column is formed by splicing an H-shaped steel and two T-shaped steels; the outer end faces of flange plates of the H-shaped steel and the T-shaped steel are respectively provided with at least two rows of studs arranged along the axial direction of the cross-shaped supporting structure; the longitudinal ribs are respectively arranged between the flange plates of the cross stiff steel structure and the inner wall of the steel box body; the manufacturing method comprises the following steps: the whole body is decomposed into individuals, an internal cross structure is combined, a steel box body is welded, and the steel box body is inspected and corrected. The invention has the beneficial effects that: the influence and the limitation of limited cavity space on welding operation are avoided, the production process is simplified, and the design requirement is met.

Description

Box-type steel column with cross stiffening steel structure inside and manufacturing method
Technical Field
The invention belongs to the technical field of steel structures, and particularly relates to a box-type steel column with a cross stiffening steel structure inside and a manufacturing method of the box-type steel column.
Background
The stiffened structure has the advantages of high bearing capacity, good stability, small size of the section of the member, flexible structural arrangement, strong bonding force with concrete, concrete saving, use space increase, construction cost reduction, engineering quality improvement and the like, and is widely applied to building structures. However, the traditional stiff structural member is composed of concrete, section steel, longitudinal steel bars and stirrups, the internal space is limited, the operation flow is complicated, the construction period is long, the reinforcement binding and formwork erecting all relate to aerial work, and a large safety risk exists.
Disclosure of Invention
In order to overcome the problems, the invention aims to provide a box-type steel column of an inner cavity of a cross stiff steel structure and a manufacturing method thereof.
The invention relates to a box type steel column with a cross stiffening steel structure inside, which is characterized by comprising the following components in parts by weight:
the steel box body is provided with a cavity with two through ends, and the top of the steel box body is provided with a mounting seam along the length direction of the steel box body for fixing the cross-shaped stiff steel structure;
the cross-shaped steel structure is arranged in the center of the cavity of the steel box body and arranged along the length direction of the steel box body, and comprises a cross-shaped steel column and a stud arranged on the cross-shaped steel column, wherein the cross-shaped steel column is formed by splicing an H-shaped steel and two T-shaped steels and is used for being supported inside the steel box body; the outer end faces of flange plates of the H-shaped steel and the T-shaped steel are respectively provided with at least two rows of studs arranged along the axial direction of the cross-shaped supporting structure;
and four longitudinal ribs which are respectively arranged between the flange plate of the cross stiff steel structure and the inner wall of the steel box body, and the longitudinal ribs are enabled to fall between two rows of studs of the flange plate connected with the longitudinal ribs, and the upper edges of the longitudinal ribs at the top of the cross stiff steel structure are fixedly connected with the top of the steel box body after being inserted into the mounting seams and are used for fixing the cross stiff steel structure at the central position of the steel box body.
Furthermore, the steel box body is of a spliced box body structure and comprises a box body bottom plate, two box body side plates and two box body top plates, wherein the box body bottom plate, the box body side plates and the box body top plates are all rectangular steel plates, and the two box body side plates are respectively arranged on two sides of the box body bottom plate along the length direction; the two box body top plates are laid on the edges of the box body side plates in the length direction side by side and enclose a hollow rectangular frame body which is through from front to back with the box body bottom plate and the two box body side plates; a strip-shaped mounting seam is reserved between the two box body top plates, and the mounting seam is arranged along the length direction of the box body bottom plate and used for inserting the tops of the longitudinal ribs.
Further, the H-shaped steel comprises a first steel web plate, an upper flange plate and a lower flange plate, and the first steel web plate is perpendicular to the bottom plate of the box body; the upper flange plate and the lower flange plate are fixedly arranged on the upper edge and the lower edge of the first steel web plate along the length direction respectively, and the upper flange plate and the lower flange plate are kept perpendicular to the first steel web plate.
Furthermore, the two T-shaped steels are symmetrically arranged on two sides of a first steel web of the H-shaped steel and comprise a second steel web and side flange plates, wherein the side flange plates are vertically and fixedly arranged on a first edge of the second steel web along the length direction, the second edge of the second steel web along the length direction is vertically and fixedly arranged on one end face of the first steel web, and the second steel webs of the two T-shaped steels are kept on the same plane.
Further, the top flange plate is parallel to the box top plate of the steel box body, the bottom flange plate is parallel to the box bottom plate of the steel box body, the side flange plates are parallel to the box side plates of the steel box body, and two rows of studs are arranged on the end faces, facing the inner wall of the steel box body, of the top flange plate, the bottom flange plate and the side flange plates.
Furthermore, the number of the longitudinal ribs is 4, the longitudinal rib fixedly connected with the upper flange plate is an upper vertical longitudinal rib, the longitudinal rib fixedly connected with the lower flange plate is a lower vertical longitudinal rib, the longitudinal rib fixedly connected with the side flange plate is a horizontal longitudinal rib, the upper vertical longitudinal rib and the lower vertical longitudinal rib are coplanar with the first steel web plate of the H-shaped steel, and the upper edge of the upper vertical longitudinal rib is fixedly connected with the top plate of the box body after being inserted into the mounting seam; the horizontal longitudinal ribs are coplanar with the second steel web of the T-section steel.
Further, the upper edge of the longitudinal rib is flush with the outer surface of the top plate of the box body.
The invention relates to a method for manufacturing a box-type steel column with a cross stiffening steel structure, which is characterized by comprising the following steps of:
(1) the box-type steel column is decomposed into individuals:
dividing the box-type steel column into a cross stiff steel structure, longitudinal ribs and a steel box body;
(2) assembling the cross-shaped steel column according to the cross-shaped member assembling process:
arranging two box body top plates side by side, and reserving a mounting seam for inserting an upper vertical longitudinal rib in the length direction of the two box body top plates; vertically inserting the upper vertical longitudinal ribs into the mounting seams of the box body, and enabling the upper vertical longitudinal ribs to be flush with the outer surfaces of the top plates of the two box bodies;
assembling and welding the first steel web plate, the upper flange plate and the lower flange plate into H-shaped steel, assembling and welding the second steel web plate and the side flange plate into T-shaped steel, assembling and welding two T-shaped steels and one H-shaped steel into a cross-shaped steel column, and correcting after inspection;
(3) and (3) according to the welding space of the cavity, adopting a method of removing the assembly and the welding, and assembling each side plate of the box body according to an assembling process to complete the assembly of the steel column body:
firstly, respectively welding a longitudinal rib at the central shaft of an upper flange plate, a lower flange plate and two side flange plates of the cross-shaped steel column along the length direction, wherein the longitudinal rib is firstly arranged to avoid the influence on the welding of the longitudinal plates due to the existence of a stud;
secondly, two rows of studs are welded on the outer end faces, facing the inner wall of the steel box body, of the upper flange plate, the lower flange plate and the two side flange plates of the cross-shaped steel column, the two rows of studs are respectively arranged on two sides of the corresponding longitudinal ribs, and then the studs are assembled and welded into the cross-shaped stiff steel support;
thirdly, adopting a horizontal installation process to support the installed and welded cross-shaped stiffness steel on the bottom plate of the box body, positioning and welding the welding line between the longitudinal rib and the bottom plate of the box body;
(4) welding 4 main body welding seams of the steel box body according to the welding process requirement:
assembling and positioning the box body side plates on two sides, and welding the welding seams between the horizontal longitudinal ribs on two sides and the box body side plates;
secondly, assembling and positioning the top plate of the box body, and welding a welding seam between the vertical longitudinal rib and the top plate of the box body;
welding the steel box body edge angle welding seam;
(5) and (5) checking and correcting.
The invention has the beneficial effects that: the whole body is decomposed into individuals, an internal cross structure is firstly combined according to the structural characteristics, then the steel column body is assembled on each side plate of the box body according to the assembling process by adopting a method of removing the assembly and the welding according to the welding space of the cavity, and finally 4 main body welding seams of the box body are welded according to the welding process requirements. The manufacturing method is scientific and reasonable, successfully avoids the limitation and influence of limited cavity space on welding operation, simplifies the production process, meets the design requirement, greatly improves the production efficiency and ensures the manufacturing quality.
Drawings
FIG. 1 is an axial schematic view of the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention.
FIG. 3 is a schematic view of a manufacturing process of the present invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
With reference to the accompanying drawings:
embodiment 1 the invention provides a box-type steel column with a cross stiffening steel structure inside, which comprises:
the steel box body is provided with a cavity with two through ends, and the top of the steel box body is provided with a mounting seam along the length direction of the steel box body for fixing the cross-shaped stiff steel structure;
the cross-shaped steel structure is arranged in the center of the cavity of the steel box body and arranged along the length direction of the steel box body, and comprises a cross-shaped steel column and a stud 16 arranged on the cross-shaped steel column, wherein the cross-shaped steel column is formed by splicing an H-shaped steel and two T-shaped steels and is used for being supported inside the steel box body; the outer end faces of flange plates of the H-shaped steel and the T-shaped steel are respectively provided with at least two rows of studs arranged along the axial direction of the cross-shaped supporting structure;
and four longitudinal ribs which are respectively arranged between the flange plate of the cross stiff steel structure and the inner wall of the steel box body, and the longitudinal ribs are enabled to fall between two rows of studs of the flange plate connected with the longitudinal ribs, and the upper edges of the longitudinal ribs at the top of the cross stiff steel structure are fixedly connected with the top of the steel box body after being inserted into the mounting seams and are used for fixing the cross stiff steel structure at the central position of the steel box body.
Further, the steel box body is of a spliced box body structure and comprises a box body bottom plate 15, two box body side plates (12, 14) and two box body top plates 13, wherein the box body bottom plate 15, the box body side plates (12, 14) and the box body top plates 13 are all rectangular steel plates, and the two box body side plates (12, 14) are respectively arranged on two sides of the box body bottom plate 15 along the length direction; the two box body top plates 13 are laid on the edges of the box body side plates (12 and 14) in the length direction side by side and form a hollow rectangular frame body which is through from front to back with the box body bottom plate 15 and the two box body side plates (12 and 14); a strip-shaped mounting seam is reserved between the two box top plates 13 and is arranged along the length direction of the box bottom plate and used for inserting the tops of the longitudinal ribs.
Further, the H-shaped steel comprises a first steel web 2, an upper flange plate 1 and a lower flange plate 3, wherein the first steel web 2 is perpendicular to a bottom plate of the box body and passes through a central shaft of the steel box body along the length direction; the upper flange plate 1 and the lower flange plate 3 are fixedly arranged on the upper edge and the lower edge of the first steel web 2 along the length direction respectively, and the upper flange plate 1 and the lower flange plate 3 are kept perpendicular to the first steel web.
Furthermore, two T-shaped steels are symmetrically arranged on two sides of a first steel web of the H-shaped steel and comprise second steel webs (5 and 6) and side flange plates (4 and 7), wherein the two side flange plates (4 and 7) are vertically and fixedly arranged on first edges of the corresponding second steel webs (5 and 6) along the length direction, the two second steel webs (5 and 6) are vertically and fixedly arranged on two end faces of the first steel web along the second edges of the length direction, the second steel webs (5 and 6) of the two T-shaped steels are kept on the same plane, and the plane of the second steel webs passes through a central shaft of the steel box body along the length direction.
Further, the upper flange plate 1 is parallel to a box top plate 13 of the steel box body, the lower flange plate 3 is parallel to a box bottom plate 15 of the steel box body, the side flange plates (4, 7) are parallel to box side plates (12, 14) of the steel box body, and two rows of studs 16 are arranged on end faces, facing the inner wall of the steel box body, of the upper flange plate 1, the lower flange plate 3 and the side flange plates (4, 7).
Furthermore, the number of the longitudinal ribs is 4, the longitudinal rib fixedly connected with the upper flange plate is an upper vertical longitudinal rib 9, the longitudinal rib fixedly connected with the lower flange plate is a lower vertical longitudinal rib 11, the longitudinal rib fixedly connected with the side flange plate is a horizontal longitudinal rib (8, 10), the upper vertical longitudinal rib 9 and the lower vertical longitudinal rib 11 are coplanar with the first steel web plate 2 of the H-shaped steel, and the upper edge of the upper vertical longitudinal rib 9 is fixedly connected with a box body top plate 13 after being inserted into the mounting seam; both horizontal longitudinal ribs (8, 10) are coplanar with the second steel web (5, 6) of the T-section.
Further, the upper edge of the longitudinal rib is flush with the outer surface of the top plate of the box body.
Embodiment 2 as shown in fig. 1 to 3, the box-type steel column with the built-in cross-shaped steel structure in this embodiment includes a steel box body, the cross-shaped steel structure and longitudinal ribs, where the steel box body includes box body side plates (12, 14), a box body top plate 13 and a box body bottom plate 15, where the box body side plates (12, 14), the two box body top plates 13 and the box body bottom plate 15 are welded together to form a hollow rectangular frame structure with two through ends, and a mounting seam capable of being arranged in the length direction of the steel box body is left between the two box body top plates 13;
the cross-shaped stiff steel structure comprises a cross-shaped steel column and a stud 16, wherein the cross-shaped steel column is formed by splicing an H-shaped steel and two T-shaped steels and is used for being supported inside the steel box body; the outer end faces of flange plates of the H-shaped steel and the T-shaped steel are respectively provided with at least two rows of studs arranged along the axial direction of the cross-shaped supporting structure; the H-shaped steel comprises an upper flange plate 1, a first steel web plate 2 and a lower flange plate 3; the T-shaped steel comprises side flange plates (4, 7) and second steel webs (5, 6);
the number of the longitudinal ribs is 4, and the longitudinal ribs are two horizontal longitudinal ribs (8, 10), an upper vertical longitudinal rib 9 and a lower vertical longitudinal rib 11 respectively;
the cross-shaped stiff steel structure is positioned in the center of the cavity of the steel box body and is connected with the inner wall of the steel box body through horizontal longitudinal ribs (8, 10), an upper vertical longitudinal rib 9 and a lower vertical longitudinal rib 11; the studs are positioned on the flange plates of the cross stiff steel structure and positioned on two sides of the corresponding longitudinal ribs; the steel box body is positioned on the outer side of the structure and accommodates the cross stiff steel structure, the longitudinal ribs and the studs.
And welding seams are arranged at the central shafts of the inner end surfaces of the box body bottom plate and the box body side plates along the length direction and are used for realizing the positioning and welding of the corresponding longitudinal ribs.
Embodiment 3 the method for manufacturing the box-type steel column with the cross stiffening steel structure therein, provided by the invention, comprises the following steps:
(1) the whole body is decomposed into individuals, namely the steel column is divided into a cross stiff steel structure, a longitudinal rib and a steel box body; arranging two box body top plates side by side, and reserving a mounting seam for inserting the upper vertical longitudinal rib in the length direction of the two box body top plates; vertically inserting the upper vertical longitudinal ribs 9 into the mounting seams of the box body, and enabling the upper vertical longitudinal ribs to be flush with the outer surfaces of the top plates 13 of the two box bodies;
(2) according to the cross member assembling process, a first steel web plate 2, an upper flange plate 1 and a lower flange plate 3 are assembled and welded into H-shaped steel, second steel web plates (5 and 6) and side flange plates (4 and 7) are assembled and welded into two T-shaped steels, the two T-shaped steels and one H-shaped steel are assembled and welded into a cross-shaped steel column, and the cross-shaped steel column is subjected to inspection and then is corrected;
(3) the method comprises the following steps that a longitudinal rib is respectively welded at the central axis of an upper flange plate 1, a lower flange plate 3 and two side flange plates (4 and 7) of the cross-shaped steel column along the length direction, and the longitudinal rib is firstly installed to avoid the influence on the welding of the longitudinal plates due to the existence of studs;
(4) two rows of studs 16 are welded on the outer end faces, facing the inner wall of the steel box body, of the upper flange plate 1, the lower flange plate 3 and the two side flange plates (4 and 7) of the cross-shaped steel column, the two rows of studs 16 are respectively arranged on two sides of the corresponding longitudinal rib, and then the studs are assembled and welded into a cross-shaped stiff steel support;
(5) adopting a horizontal installation process, supporting the installed and welded cross-shaped stiff steel on a bottom plate of the box body, positioning and welding a welding line between the longitudinal rib and the bottom plate of the box body;
(6) assembling and positioning the box body side plates (12 and 14) at two sides, and welding the welding seams between the horizontal longitudinal ribs (8 and 10) at two sides and the box body side plates (12 and 14);
(7) assembling and positioning a box body top plate 13, and welding a welding seam between the upper vertical longitudinal rib 9 and the box body top plate 13;
(8) welding a steel box body corner welding seam;
(9) inspecting (GB50205 requires the inspected external dimension), and correcting.
The embodiments described in this specification are merely illustrative of implementations of the inventive concept and the scope of the present invention should not be considered limited to the specific forms set forth in the embodiments but includes equivalent technical means as would be recognized by those skilled in the art based on the inventive concept.

Claims (8)

1. The utility model provides an interior box steel column of establishing cross strength nature steel construction which characterized in that includes:
the steel box body is provided with a cavity with two through ends, and the top of the steel box body is provided with a mounting seam along the length direction of the steel box body for fixing the cross-shaped stiff steel structure;
the cross-shaped steel structure is arranged in the center of the cavity of the steel box body and arranged along the length direction of the steel box body, and comprises a cross-shaped steel column and a stud arranged on the cross-shaped steel column, wherein the cross-shaped steel column is formed by splicing an H-shaped steel and two T-shaped steels and is used for being supported inside the steel box body; the outer end faces of flange plates of the H-shaped steel and the T-shaped steel are respectively provided with at least two rows of studs arranged along the axial direction of the cross-shaped supporting structure;
and four longitudinal ribs which are respectively arranged between the flange plate of the cross stiff steel structure and the inner wall of the steel box body, and the longitudinal ribs are enabled to fall between two rows of studs of the flange plate connected with the longitudinal ribs, and the upper edges of the longitudinal ribs at the top of the cross stiff steel structure are fixedly connected with the top of the steel box body after being inserted into the mounting seams and are used for fixing the cross stiff steel structure at the central position of the steel box body.
2. The box-type steel column with the built-in cross stiffness steel structure as claimed in claim 1, wherein: the steel box body is of a spliced box body structure and comprises a box body bottom plate, two box body side plates and two box body top plates, wherein the box body bottom plate, the box body side plates and the box body top plates are all rectangular steel plates, and the two box body side plates are respectively arranged on two sides of the box body bottom plate along the length direction; the two box body top plates are laid on the edges of the box body side plates in the length direction side by side and enclose a hollow rectangular frame body which is through from front to back with the box body bottom plate and the two box body side plates; a strip-shaped mounting seam is reserved between the two box body top plates, and the mounting seam is arranged along the length direction of the box body bottom plate and used for inserting the tops of the longitudinal ribs.
3. The box-type steel column with the built-in cross stiffness steel structure as claimed in claim 1, wherein: the H-shaped steel comprises a first steel web plate, an upper flange plate and a lower flange plate, and the first steel web plate is perpendicular to the bottom plate of the box body; the upper flange plate and the lower flange plate are fixedly arranged on the upper edge and the lower edge of the first steel web plate along the length direction respectively, and the upper flange plate and the lower flange plate are kept perpendicular to the first steel web plate.
4. The box-type steel column with the built-in cross stiffness steel structure as claimed in claim 3, wherein: the two T-shaped steels are symmetrically arranged on two sides of a first steel web plate of the H-shaped steel and comprise a second steel web plate and side flange plates, wherein the side flange plates are vertically and fixedly arranged on a first edge of the second steel web plate along the length direction, the second edge of the second steel web plate along the length direction is vertically and fixedly arranged on one end face of the first steel web plate, and the second steel web plates of the two T-shaped steels are kept on the same plane.
5. The box-type steel column with the built-in cross stiffness steel structure as claimed in claim 4, wherein: the upper flange plate is parallel to the box top plate of the steel box body, the lower flange plate is parallel to the box bottom plate of the steel box body, the side flange plates are parallel to the box side plates of the steel box body, and two rows of studs are arranged on the end faces of the upper flange plate, the lower flange plate and the side flange plates facing to the inner wall of the steel box body.
6. The box-type steel column with the built-in cross stiffness steel structure as claimed in claim 5, wherein: the number of the longitudinal ribs is 4, the longitudinal rib fixedly connected with the upper flange plate is an upper vertical longitudinal rib, the longitudinal rib fixedly connected with the lower flange plate is a lower vertical longitudinal rib, the longitudinal rib fixedly connected with the side flange plate is a horizontal longitudinal rib, the upper vertical longitudinal rib and the lower vertical longitudinal rib are coplanar with a first steel web plate of the H-shaped steel, and the upper edge of the upper vertical longitudinal rib is fixedly connected with a box body top plate after being inserted into the mounting seam; the horizontal longitudinal ribs are coplanar with the second steel web of the T-section steel.
7. The box-type steel column with the built-in cross stiffness steel structure as claimed in claim 6, wherein: the upper edge of the longitudinal rib is flush with the outer surface of the top plate of the box body.
8. The method for manufacturing the box-type steel column with the built-in cross stiffness steel structure according to any one of claims 1 to 7, wherein the method comprises the following steps:
(1) the box-type steel column is decomposed into individuals:
dividing the box-type steel column into a cross stiff steel structure, longitudinal ribs and a steel box body;
(2) assembling the cross-shaped steel column according to the cross-shaped member assembling process:
arranging two box body top plates side by side, and reserving a mounting seam for inserting an upper vertical longitudinal rib in the length direction of the two box body top plates; vertically inserting the upper vertical longitudinal ribs into the mounting seams of the box body, and enabling the upper vertical longitudinal ribs to be flush with the outer surfaces of the top plates of the two box bodies;
assembling and welding the first steel web plate, the upper flange plate and the lower flange plate into H-shaped steel, assembling and welding the second steel web plate and the side flange plate into T-shaped steel, assembling and welding two T-shaped steels and one H-shaped steel into a cross-shaped steel column, and correcting after inspection;
(3) and (3) according to the welding space of the cavity, adopting a method of removing the assembly and the welding, and assembling each side plate of the box body according to an assembling process to complete the assembly of the steel column body:
firstly, respectively welding a longitudinal rib at the central shaft of an upper flange plate, a lower flange plate and two side flange plates of the cross-shaped steel column along the length direction, wherein the longitudinal rib is firstly arranged to avoid the influence on the welding of the longitudinal plates due to the existence of a stud;
secondly, two rows of studs are welded on the outer end faces, facing the inner wall of the steel box body, of the upper flange plate, the lower flange plate and the two side flange plates of the cross-shaped steel column, the two rows of studs are respectively arranged on two sides of the corresponding longitudinal ribs, and then the studs are assembled and welded into the cross-shaped stiff steel support;
thirdly, adopting a horizontal installation process to support the installed and welded cross-shaped stiffness steel on the bottom plate of the box body, positioning and welding the welding line between the longitudinal rib and the bottom plate of the box body;
(4) welding 4 main body welding seams of the steel box body according to the welding process requirement:
assembling and positioning the box body side plates on two sides, and welding the welding seams between the horizontal longitudinal ribs on two sides and the box body side plates;
secondly, assembling and positioning the top plate of the box body, and welding a welding seam between the vertical longitudinal rib and the top plate of the box body;
welding the steel box body edge angle welding seam;
(5) and (5) checking and correcting.
CN202010586827.0A 2020-06-24 2020-06-24 Box-type steel column with cross stiffening steel structure inside and manufacturing method Pending CN111734049A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010586827.0A CN111734049A (en) 2020-06-24 2020-06-24 Box-type steel column with cross stiffening steel structure inside and manufacturing method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010586827.0A CN111734049A (en) 2020-06-24 2020-06-24 Box-type steel column with cross stiffening steel structure inside and manufacturing method

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Publication Number Publication Date
CN111734049A true CN111734049A (en) 2020-10-02

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113441895A (en) * 2021-06-28 2021-09-28 浙江中南建设集团钢结构有限公司 Method for processing cross stiff column

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113441895A (en) * 2021-06-28 2021-09-28 浙江中南建设集团钢结构有限公司 Method for processing cross stiff column
CN113441895B (en) * 2021-06-28 2022-03-18 浙江中南建设集团钢结构有限公司 Method for processing cross stiff column

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