CN115492397A - Installation method of steel inclined column close to existing inclined structure - Google Patents

Installation method of steel inclined column close to existing inclined structure Download PDF

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Publication number
CN115492397A
CN115492397A CN202210616458.4A CN202210616458A CN115492397A CN 115492397 A CN115492397 A CN 115492397A CN 202210616458 A CN202210616458 A CN 202210616458A CN 115492397 A CN115492397 A CN 115492397A
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CN
China
Prior art keywords
steel
column
chain block
inclined column
installing
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202210616458.4A
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Chinese (zh)
Inventor
黄强
付子豪
李超锐
庄才贵
黄伟
蒋国明
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MCC Shanghai Steel Structure Technology Co Ltd
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MCC Shanghai Steel Structure Technology Co Ltd
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Publication date
Application filed by MCC Shanghai Steel Structure Technology Co Ltd filed Critical MCC Shanghai Steel Structure Technology Co Ltd
Priority to CN202210616458.4A priority Critical patent/CN115492397A/en
Publication of CN115492397A publication Critical patent/CN115492397A/en
Pending legal-status Critical Current

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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
    • 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
    • E04G21/16—Tools or apparatus
    • 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
    • E04G21/16—Tools or apparatus
    • E04G21/162—Handles to carry construction blocks
    • 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
    • E04G21/16—Tools or apparatus
    • E04G21/163—Jacks specially adapted for working-up building elements
    • 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
    • E04G21/16—Tools or apparatus
    • E04G21/165—Tools or apparatus specially adapted for in situ prefabricated building elements to be tilted up in position
    • 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
    • E04G21/16—Tools or apparatus
    • E04G21/18—Adjusting tools; Templates
    • E04G21/1841—Means for positioning building parts or elements

Abstract

The invention relates to a method for installing a steel inclined column close to an existing inclined structure; the method comprises the following steps of 1, hoisting and transporting the steel inclined column to a steel column turnover platform; step 2, installing a traction chain block and a matched steel wire rope, tightening the traction chain block, and step 3, enabling the bottom of the steel inclined column to be attached to the steel column turnover platform; step 4, enabling the pushing arc-shaped plate to be attached to the side wall of the steel inclined column to prepare for adjusting the position of a column foot of the steel inclined column; step 5, adjusting the column base of the steel inclined column in place; and 6, installing the section steel hoop to tie the civil engineering structural column and the steel batter post, and 7, finishing the installation of the steel batter post. The invention turns over, finely adjusts and temporarily ties the steel inclined column which needs to be close to the existing inclined structure through the matching operation of the crane, the turning-over platform, the chain block traction and the jack pushing, so that the steel inclined column can be installed as soon as possible. The method effectively improves the installation efficiency, ensures the construction precision, has stable and controllable construction process, reduces the safety risk, can reduce the machine shift and enhances the construction efficiency.

Description

Installation method of steel inclined column close to existing inclined structure
Technical Field
The invention relates to the technical field of steel structure construction, in particular to a method for installing a steel inclined column close to an existing inclined structure.
Background
In the hoisting process of the steel structure, the condition that the construction condition is limited due to the influence of the environment exists, and how to safely and efficiently install the steel structure in place is the key for ensuring the construction quality and the installation precision.
The steel batter post is influenced by the existing oblique structure at the design position, the steel column is difficult to obliquely stand and adjust in place, the safety and controllability are ensured in the operation process, and great uncertainty and potential safety hazard are brought to the installation operation of the whole steel batter post.
Disclosure of Invention
The invention aims to overcome the defects and provide a method for installing a steel inclined column close to an existing inclined structure, which is convenient to implement and high in safety.
In order to achieve the above object, the present invention is realized by:
a method for installing the oblique steel column close to existing oblique structure includes
Step 1, hoisting a steel inclined column (1) to a steel column turnover platform (2), and welding a column base U-shaped limiting groove (3.1) on the top of a finished product hinged support (3);
step 2, installing a traction chain block (4) and a matched steel wire rope (4.1), tightening the traction chain block (4), and connecting a traction lug plate A (1.1), a traction lug plate B (3.2) and a traction lug plate C (3.3); installing an anti-pushing limiting chain block (2.2) and a matched steel wire rope (2.3), tightening the anti-pushing limiting chain block (2.2), and connecting the steel column turnover platform (2) with a finished product hinged support (3);
step 3, slowly lifting the crane hook (6), and continuously tightening the traction chain block (4) at the same time to enable the bottom of the steel inclined column (1) to be attached to the steel column turnover platform (2), wherein the steel inclined column (1) slowly realizes the inclined posture in a state that the crane hook (6) lifts the top of the steel inclined column and the traction chain block (4) holds the bottom of the steel inclined column;
step 4, mounting a jack (5), a steel backrest (5.1) and a pushing arc-shaped plate (5.2) at the top of the steel column turnover platform (2), so that the pushing arc-shaped plate (5.2) is attached to the side wall of the steel inclined column (1) to prepare for adjusting the position of a column foot of the steel inclined column;
step 5, adjusting the position of the column base of the steel inclined column (1) in a hoisting state by tightening the traction chain block (4) and ejecting the jack (5) until the column base is tightly attached to a column base U-shaped limiting groove (3.1) at the top of the finished product hinged support (3), and adjusting the column base of the steel inclined column (1) in place;
step 6, installing a steel hoop (7) to draw and link a civil engineering structural column (7.1) and a steel inclined column (1), welding a welding seam (1.2) of a steel inclined column foot, then loosening a hook of a crane lifting hook (6), and then removing the steel column turnover platform (2), a traction chain block (4), a steel wire rope (4.1) and a column foot U-shaped limiting groove (3.1);
and 7, installing a steel truss (8) at the top of the steel inclined column (1), dismantling the section steel hoop (7), and finishing the installation of the steel inclined column (1).
The construction method provided by the invention aims at construction conditions limited by environmental conditions, and steel inclined columns needing to be attached to the existing inclined structure are turned over, finely adjusted and temporarily pulled through the matching operation of a crane, a turning platform, chain block traction and jack pushing so as to be convenient for installation of the steel inclined columns to be in place as soon as possible. The method effectively improves the installation efficiency, ensures the construction precision, has stable and controllable construction process, reduces the safety risk, can reduce the machine shift and enhances the construction efficiency.
Drawings
FIG. 1 is a schematic diagram I of a method for installing a steel inclined column close to an existing inclined structure.
FIG. 2 is a schematic diagram of a second method for installing a steel batter post close to an existing batter structure.
FIG. 3 is a third schematic view of a method for installing a steel batter post close to an existing batter structure.
FIG. 4 is a fourth schematic view of a method for installing a steel batter post close to an existing batter structure.
Fig. 5 is a schematic diagram of a fifth method for installing the steel batter post close to the existing batter structure.
Fig. 6 is a schematic diagram six of a method for installing a steel batter post close to an existing batter structure.
Detailed Description
The invention is further illustrated by the following specific examples.
A method for installing the oblique steel column close to existing oblique structure includes
As shown in fig. 1, step 1, hoisting a steel inclined column (1) to a steel column turnover platform (2), and welding a column base U-shaped limiting groove (3.1) on the top of a finished product hinged support (3);
as shown in fig. 2, step 2, installing a traction chain block (4) and a matched steel wire rope (4.1), tightening the traction chain block (4), and connecting a traction lug plate a (1.1), a traction lug plate B (3.2) and a traction lug plate C (3.3); installing an anti-pushing limiting chain block (2.2) and a matched steel wire rope (2.3), tightening the anti-pushing limiting chain block (2.2), and connecting the steel column turnover platform (2) with a finished product hinged support (3);
as shown in fig. 3, step 3, slowly lifting the crane hook (6), and continuously tightening the traction chain block (4) to make the bottom of the steel batter post (1) lean against the steel column turnover platform (2), wherein the steel batter post (1) slowly realizes the inclined posture in the state that the crane hook (6) lifts the top of the steel batter post and the traction chain block (4) holds the bottom of the steel batter post;
as shown in fig. 4, step 4, installing a jack (5), a steel backrest (5.1) and a pushing arc-shaped plate (5.2) at the top of the steel column turnover platform (2), so that the pushing arc-shaped plate (5.2) is attached to the side wall of the steel inclined column (1) to prepare for adjusting the position of a column foot of the steel inclined column;
as shown in fig. 5, step 5, adjusting the position of the column base of the steel inclined column (1) in a hoisting state by tightening the traction chain block (4) and ejecting the jack (5) until the column base is tightly attached to the column base U-shaped limiting groove (3.1) at the top of the finished product hinged support (3), and adjusting the column base of the steel inclined column (1) in place;
as shown in fig. 6, step 6, installing a steel hoop (7) to tie the civil engineering structural column (7.1) and the steel inclined column (1), after welding the welding seam (1.2) of the steel inclined column foot, loosening the hook of the crane hook (6), and then removing the steel column turnover platform (2), the traction chain block (4), the steel wire rope (4.1) and the column foot U-shaped limiting groove (3.1);
and 7, installing a steel truss (8) at the top of the steel inclined column (1), dismantling the section steel hoop (7), and finishing the installation of the steel inclined column (1).
According to the invention, a steel column turnover platform (2) is arranged, a traction inverted chain (4) is arranged on a column base of a steel inclined column (1), and a column base U-shaped limiting groove (3.1) is welded on a finished product hinged support (3); under the conditions that the top of the steel batter post (1) is lifted by a crane hook (6) and the bottom of the steel batter post is restrained by a traction chain block (4), the steel batter post (1) is slowly inclined against the steel column turnover platform (2); then, arranging a jack (5) to match with a traction chain block (4), adjusting the column base of the steel inclined column (1) to be attached to a column base U-shaped limiting groove (3.1), and finishing the position adjustment of the steel inclined column (1); and finally, a steel hoop (7) is arranged to temporarily tie the civil engineering frame batter post (7.1) and the steel batter post (1). Therefore, the steel inclined column (1) can be safely and controllably installed quickly under the condition of construction close to the existing inclined structure and under the requirement of ensuring the installation precision.

Claims (1)

1. A method for installing a steel inclined column close to an existing inclined structure is characterized in that: comprises that
Step 1, hoisting a steel inclined column (1) to a steel column turnover platform (2), and welding a column base U-shaped limiting groove (3.1) on the top of a finished product hinged support (3);
step 2, installing a traction chain block (4) and a matched steel wire rope (4.1), tightening the traction chain block (4), and connecting a traction lug plate A (1.1), a traction lug plate B (3.2) and a traction lug plate C (3.3); installing an anti-pushing limiting chain block (2.2) and a matched steel wire rope (2.3), tightening the anti-pushing limiting chain block (2.2), and connecting the steel column turnover platform (2) with the finished product hinged support (3);
step 3, slowly lifting the crane hook (6), and continuously tightening the traction chain block (4) at the same time to enable the bottom of the steel inclined column (1) to be attached to the steel column turnover platform (2), wherein the steel inclined column (1) slowly realizes the inclined posture in a state that the crane hook (6) lifts the top of the steel inclined column and the traction chain block (4) holds the bottom of the steel inclined column;
step 4, mounting a jack (5), a steel backrest (5.1) and a pushing arc-shaped plate (5.2) at the top of the steel column turnover platform (2), so that the pushing arc-shaped plate (5.2) is attached to the side wall of the steel inclined column (1) to prepare for adjusting the position of a column foot of the steel inclined column;
step 5, adjusting the position of the column base of the steel inclined column (1) in a hoisting state by tightening the traction chain block (4) and ejecting the jack (5) until the column base is tightly attached to the U-shaped limiting groove (3.1) of the column base at the top of the finished hinged support (3), and adjusting the column base of the steel inclined column (1) in place;
step 6, installing a steel hoop (7) to draw and link a civil engineering structural column (7.1) and a steel inclined column (1), welding a welding seam (1.2) of a steel inclined column foot, then loosening a hook of a crane lifting hook (6), and then removing the steel column turnover platform (2), a traction chain block (4), a steel wire rope (4.1) and a column foot U-shaped limiting groove (3.1);
and 7, installing a steel truss (8) at the top of the steel inclined column (1), dismantling the steel hoop (7), and finishing the installation of the steel inclined column (1).
CN202210616458.4A 2022-06-01 2022-06-01 Installation method of steel inclined column close to existing inclined structure Pending CN115492397A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210616458.4A CN115492397A (en) 2022-06-01 2022-06-01 Installation method of steel inclined column close to existing inclined structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210616458.4A CN115492397A (en) 2022-06-01 2022-06-01 Installation method of steel inclined column close to existing inclined structure

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CN115492397A true CN115492397A (en) 2022-12-20

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6078196B1 (en) * 2016-07-05 2017-02-08 仙建工業株式会社 How to build steel columns
CN108104482A (en) * 2017-12-29 2018-06-01 珠海十字门中央商务区建设控股有限公司 Batter post installation method
CN108708557A (en) * 2018-06-25 2018-10-26 中铁第四勘察设计院集团有限公司 Movable inclined column installation equipment and method
CN111691312A (en) * 2020-07-08 2020-09-22 中交路桥华南工程有限公司 Support type mounting method of steel cable tower
CN112681760A (en) * 2020-12-28 2021-04-20 上海建工五建集团有限公司 Construction method of BIM auxiliary inclined structural column
CN113668873A (en) * 2021-08-12 2021-11-19 中建四局第五建筑工程有限公司 Mounting method of inclined support steel column
CN114541652A (en) * 2022-03-16 2022-05-27 中国华西企业股份有限公司 V-shaped steel column and construction method thereof

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6078196B1 (en) * 2016-07-05 2017-02-08 仙建工業株式会社 How to build steel columns
CN108104482A (en) * 2017-12-29 2018-06-01 珠海十字门中央商务区建设控股有限公司 Batter post installation method
CN108708557A (en) * 2018-06-25 2018-10-26 中铁第四勘察设计院集团有限公司 Movable inclined column installation equipment and method
CN111691312A (en) * 2020-07-08 2020-09-22 中交路桥华南工程有限公司 Support type mounting method of steel cable tower
CN112681760A (en) * 2020-12-28 2021-04-20 上海建工五建集团有限公司 Construction method of BIM auxiliary inclined structural column
CN113668873A (en) * 2021-08-12 2021-11-19 中建四局第五建筑工程有限公司 Mounting method of inclined support steel column
CN114541652A (en) * 2022-03-16 2022-05-27 中国华西企业股份有限公司 V-shaped steel column and construction method thereof

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