CN110984589A - Method for mounting assembly platform of super-long steel beam high altitude - Google Patents
Method for mounting assembly platform of super-long steel beam high altitude Download PDFInfo
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- CN110984589A CN110984589A CN201911198043.4A CN201911198043A CN110984589A CN 110984589 A CN110984589 A CN 110984589A CN 201911198043 A CN201911198043 A CN 201911198043A CN 110984589 A CN110984589 A CN 110984589A
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
- E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
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Abstract
The invention provides a method for installing a super-long steel beam in high altitude.A buried part is installed before pouring of a foundation concrete structure at two ends of a super-long beam; welding H-shaped steel to form a Z-shaped member, assembling the two Z-shaped members to form a U-shaped support, and fixedly connecting the upper end of the Z-shaped member with the concrete column; at least two U-shaped supports are arranged on the profile steel concrete columns at two ends of the super-long beam in parallel, and channel steel is fixedly connected between bottom beams of the two U-shaped supports to enable all the U-shaped supports to be combined into a whole; paving springboards on the channel steel, and firmly binding the springboards by iron wires, wherein the bottom of the U-shaped support forms a construction platform; finally, the sectional steel beams are assembled on the U-shaped supports, the installation method can quickly and effectively complete the installation of the steel beams, the stability is excellent, the installation speed is improved, the installation quality is improved more quickly and effectively, the service time of the tower crane is saved, the platform structure can be reused, the assembly and disassembly are convenient, the lease expense of a scaffold is avoided, the construction progress is accelerated, and the cost is effectively saved.
Description
Technical Field
The invention belongs to an aerial work platform, and particularly relates to an aerial assembly platform installation method for an ultra-long steel beam.
Background
Steel structure steel, post are used for having span big, the floor is high, the height span changes neotype large-scale public building such as big, have that the dead weight is lighter, advantages such as the convenient high efficiency of construction. The building support main body in the prior art is generally of a steel reinforced concrete structure, and the steel beam is a support structure of a building and is arranged at the top of a structural column, and two ends or two ends and the middle of the steel beam are fixedly connected with the structural column. In the traditional steel beam installation method, a scaffold is generally required to be erected as an installation platform and supported by a stand column, an ultra-long steel beam is installed in a segmented mode, and a tower crane is adopted to hoist the split steel beam section to a construction position for field assembly and installation. For the ultra-long steel beam with the length exceeding 15m, the required construction platform is long, the construction workload of mounting and dismounting the scaffold is large, the construction cost is greatly improved, and the design and the arrangement of a construction site are greatly influenced.
Contents of the invention
The invention aims to solve the problem that the workload for installing a scaffold construction platform in the construction of an ultra-long steel beam is large and the construction period is influenced in the prior art.
In order to solve the technical problems, the invention provides the following scheme:
a construction method of an overlong steel beam high altitude comprises the following steps:
firstly, installing embedded parts before pouring the foundation concrete structures at two ends of the super-long beam, wherein the embedded parts are steel plates and anchor bars positioned at the top of the section steel concrete column.
And secondly, welding H-shaped steel to form a Z-shaped member, assembling the two Z-shaped members to form a U-shaped support, obliquely pulling and stiffening the bottom corner of the U-shaped support frame by using small-specification H-shaped steel, and fixedly connecting the upper end of the Z-shaped member with the concrete column.
And thirdly, mounting at least two U-shaped supports on the profile steel concrete columns at the two ends of the ultra-long beam in parallel, and fixedly connecting channel steel between the bottom beams of the two U-shaped supports to enable all the U-shaped supports to be combined into a whole.
And fourthly, paving the springboard on the channel steel, binding the springboard firmly by using iron wires, and forming a construction platform at the bottom of the U-shaped support.
And fifthly, assembling the segmented steel beams on the U-shaped supports.
Sixthly, disassembling the channel steel and the U-shaped support after the super-long steel beam is installed; and installing the program to reuse the U-shaped support to install the high-altitude steel beam.
In the third step of the method, the connection structure of the channel steel is as follows: and welding a connecting plate vertical to the upper flange plate, the lower flange plate and the web plate on the U-shaped support bottom beam H-shaped steel, and fixedly connecting the channel steel with the connecting plate by using bolts.
The installation method can quickly and effectively complete the installation of the steel beam, is extremely good in stability, improves the installation rate, improves the installation quality more quickly and effectively, saves the service time of the tower crane, is convenient to disassemble and assemble, can repeatedly use the platform structure, avoids the lease expense of the scaffold, accelerates the construction progress and effectively saves the cost.
Drawings
FIG. 1 is an overall view of the platform provided by the present invention;
FIG. 2 is a schematic view of a mounting structure of the embedded part;
FIG. 3 is a schematic view of the installation of the Z-shaped member;
FIG. 4 is a schematic view of the channel steel and two trusses of Z-shaped supports;
FIG. 5 is a schematic view of a lay out gangboard;
FIG. 6 is a schematic view of the installation and construction of steel beams;
description of reference numerals: the steel plate comprises 1-Z-shaped members, 2-Z-shaped inclined struts, 3-embedded steel plates, 4-embedded anchor bars, 5-U-shaped supports, 6-channel steel, 7-springboards, 8-connecting plates and 9-common bolts.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a method for installing a super-long steel beam in high altitude, which comprises the following steps:
the method comprises the following steps that firstly, embedded parts are installed before pouring of the foundation concrete structures at two ends of the super-long beam, and the embedded parts are embedded steel plates 3 and embedded anchor bars 4 which are located at the tops of the section steel concrete columns. As shown with reference to fig. 2.
And secondly, welding H-shaped steel to form a Z-shaped member 1, assembling the two Z-shaped members 1 to form a U-shaped support 5, making a Z-shaped inclined strut 2 at the bottom corner of the U-shaped support 5 by a small-specification H-shaped, pulling and stiffening, and installing the upper end of the Z-shaped member 1 on the concrete column to be fixedly connected with an embedded part steel plate 3 and an embedded part anchor bar 4. Refer to fig. 3.
Thirdly, at least two U-shaped supports 5 are arranged on the section steel concrete columns at the two ends of the super-long beam in parallel, and channel steel 6 is fixedly connected between the bottom beams of the two U-shaped supports 5, so that all the U-shaped supports 5 are combined into a whole. Refer to fig. 4.
Fourthly, paving the springboard 7 on the channel steel 6, binding firmly by iron wires, and forming a construction platform at the bottom of the U-shaped support. Refer to fig. 5 and 6.
And fifthly, assembling three sections of steel beams of the sections a, b and c on the U-shaped support 5. Refer to fig. 1 and 6.
Sixthly, disassembling the channel steel and the U-shaped support after the super-long steel beam is installed; and installing the program to reuse the U-shaped support to install the high-altitude steel beam.
In the third step of the method, the connection structure of the channel steel is as follows: and welding a connecting plate vertical to the upper flange plate, the lower flange plate and the web plate on the U-shaped support bottom beam H-shaped steel, and fixedly connecting the channel steel with the connecting plate by using bolts.
The installation method can quickly and effectively complete the installation of the steel beam, is extremely good in stability, improves the installation rate, improves the installation quality more quickly and effectively, saves the service time of the tower crane, is convenient to disassemble and assemble, can repeatedly use the platform structure, avoids the lease expense of the scaffold, accelerates the construction progress and effectively saves the cost.
Claims (2)
1. A construction method of an overlong steel beam high altitude comprises the following steps:
firstly, mounting embedded parts before pouring of the foundation concrete structures at two ends of the super-long beam, wherein the embedded parts are steel plates and anchor bars positioned at the tops of the section steel concrete columns;
secondly, welding H-shaped steel to form a Z-shaped member, assembling the two Z-shaped members to form a U-shaped support, obliquely pulling and stiffening the bottom corner of the U-shaped support frame by small-specification H-shaped steel, and fixedly connecting the upper end of the Z-shaped member with the concrete column;
thirdly, at least two U-shaped supports are arranged on the profile steel concrete columns at the two ends of the ultra-long beam in parallel, and channel steel is fixedly connected between the bottom beams of the two U-shaped supports to enable all the U-shaped supports to be combined into a whole;
fourthly, paving springboards on the channel steel, and firmly binding the springboards by iron wires, wherein the bottom of the U-shaped support forms a construction platform;
fifthly, assembling segmented steel beams on the U-shaped supports;
sixthly, disassembling the channel steel and the U-shaped support after the super-long steel beam is installed; and installing the program to reuse the U-shaped support to install the high-altitude steel beam.
2. The method for installing the super-long steel beam high altitude as claimed in claim 1, wherein: in the third step, the connection structure of the channel steel is as follows: and welding a connecting plate vertical to the upper flange plate, the lower flange plate and the web plate on the U-shaped support bottom beam H-shaped steel, and fixedly connecting the channel steel with the connecting plate by using bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911198043.4A CN110984589A (en) | 2019-11-29 | 2019-11-29 | Method for mounting assembly platform of super-long steel beam high altitude |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911198043.4A CN110984589A (en) | 2019-11-29 | 2019-11-29 | Method for mounting assembly platform of super-long steel beam high altitude |
Publications (1)
| Publication Number | Publication Date |
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| CN110984589A true CN110984589A (en) | 2020-04-10 |
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| CN201911198043.4A Pending CN110984589A (en) | 2019-11-29 | 2019-11-29 | Method for mounting assembly platform of super-long steel beam high altitude |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05187063A (en) * | 1992-01-09 | 1993-07-27 | Daiwa House Ind Co Ltd | Framework having large span and method for constructing the same |
| CN201169905Y (en) * | 2007-11-27 | 2008-12-24 | 吴杰 | Bottom plate for altitude operation hanging cradle |
| CN102444203A (en) * | 2011-09-15 | 2012-05-09 | 浙江城建建设集团有限公司 | High-altitude long-span overhanging corridor type reinforced concrete structure and construction method |
| CN103061514A (en) * | 2012-11-09 | 2013-04-24 | 浙江八达建设集团有限公司 | Long-span steel structure corridor construction method |
| CN104831928A (en) * | 2015-05-29 | 2015-08-12 | 常州第一建筑集团有限公司 | Construction method for high-altitude large-span concrete connected structure formwork supporting steel platform |
| CN106065689A (en) * | 2016-08-05 | 2016-11-02 | 中国二十二冶集团有限公司 | High-rise steel structure construction of frame beam method |
| CN106401157A (en) * | 2016-11-09 | 2017-02-15 | 北京城建集团有限责任公司 | Movable operation platform and high-altitude construction method |
| CN206329024U (en) * | 2016-07-15 | 2017-07-14 | 中建三局第二建设工程有限责任公司 | Hanging large-span steel-reinforced concrete structure construction steel platform |
| CN107762065A (en) * | 2017-10-16 | 2018-03-06 | 杭萧钢构（安徽）有限公司 | A kind of flooring steel beam structure and floor steel beam construction method |
-
2019
- 2019-11-29 CN CN201911198043.4A patent/CN110984589A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05187063A (en) * | 1992-01-09 | 1993-07-27 | Daiwa House Ind Co Ltd | Framework having large span and method for constructing the same |
| CN201169905Y (en) * | 2007-11-27 | 2008-12-24 | 吴杰 | Bottom plate for altitude operation hanging cradle |
| CN102444203A (en) * | 2011-09-15 | 2012-05-09 | 浙江城建建设集团有限公司 | High-altitude long-span overhanging corridor type reinforced concrete structure and construction method |
| CN103061514A (en) * | 2012-11-09 | 2013-04-24 | 浙江八达建设集团有限公司 | Long-span steel structure corridor construction method |
| CN104831928A (en) * | 2015-05-29 | 2015-08-12 | 常州第一建筑集团有限公司 | Construction method for high-altitude large-span concrete connected structure formwork supporting steel platform |
| CN206329024U (en) * | 2016-07-15 | 2017-07-14 | 中建三局第二建设工程有限责任公司 | Hanging large-span steel-reinforced concrete structure construction steel platform |
| CN106065689A (en) * | 2016-08-05 | 2016-11-02 | 中国二十二冶集团有限公司 | High-rise steel structure construction of frame beam method |
| CN106401157A (en) * | 2016-11-09 | 2017-02-15 | 北京城建集团有限责任公司 | Movable operation platform and high-altitude construction method |
| CN107762065A (en) * | 2017-10-16 | 2018-03-06 | 杭萧钢构（安徽）有限公司 | A kind of flooring steel beam structure and floor steel beam construction method |
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Application publication date: 20200410 |
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