CN113235949A - Mounting method of cantilever structure - Google Patents
Mounting method of cantilever structure Download PDFInfo
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- CN113235949A CN113235949A CN202110648036.0A CN202110648036A CN113235949A CN 113235949 A CN113235949 A CN 113235949A CN 202110648036 A CN202110648036 A CN 202110648036A CN 113235949 A CN113235949 A CN 113235949A
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- assembly
- overhanging
- installation
- hoisting
- construction
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- 238000000034 method Methods 0.000 title claims abstract description 44
- 238000010276 construction Methods 0.000 claims abstract description 50
- 238000009434 installation Methods 0.000 claims abstract description 50
- 230000011218 segmentation Effects 0.000 claims abstract description 15
- 230000000712 assembly Effects 0.000 claims abstract description 11
- 238000000429 assembly Methods 0.000 claims abstract description 11
- 238000004088 simulation Methods 0.000 claims description 4
- 238000009435 building construction Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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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
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/34—Extraordinary structures, e.g. with suspended or cantilever parts supported by masts or tower-like structures enclosing elevators or stairs; Features relating to the elastic stability
-
- 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
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention provides an installation method of an overhanging structure, which is characterized in that when the overhanging structure is installed on a main structure by using the installation method of the overhanging structure, the overhanging structure to be installed is firstly determined, the overhanging structure comprises a plurality of modules, then the combination size, the segmentation position and the installation sequence of the overhanging structure are determined, the modules are assembled into an assembly, and finally the assembly is hoisted to a connection node of the main structure for installation and construction. According to the invention, each module of the cantilever structure is reasonably arranged into one or more assemblies meeting the transportation requirement, so that the number of vertical transportation in the construction process is reduced, the construction cost is reduced, the construction efficiency is improved, the high-altitude operation can be reduced, and the construction difficulty and the construction safety risk are reduced.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to an installation method of an overhanging structure.
Background
In the field of super high-rise building construction, the installation of the cantilever structure is a great problem of restricting construction progress and causing potential safety hazard. Along with building novel structure, form diversified, major structure are irregular, lead to the structure of encorbelmenting of demand diversified, the structure of encorbelmenting is installed on major structure usually, has characteristics such as the volume is big, construction accuracy requires highly, construction danger is big.
During engineering implementation, if a conventional high-altitude part installation method is adopted, a temporary support needs to be arranged below the projection of the cantilever structure, then all components of the cantilever structure are hoisted to the design positions one by one and then are temporarily placed on the arranged temporary support for assembly stability, and the temporary support is detached and unloaded after the relevant connecting structures of the main body structure are installed in place and the nodes are fixedly connected. In the process, the hoisting task is heavy, the potential safety hazard is large, the working efficiency is low, in addition, in the installation process, a plurality of devices are required to be matched at complex positions, the construction cost is high, a large amount of supporting steel is consumed for the temporary support, the labor and the time are wasted, the construction danger is large, and the construction quality is difficult to control. Based on the consideration of safety and economy, the construction of the cantilever structure developed by adopting a conventional installation method has the problems of low efficiency and high safety risk.
Disclosure of Invention
The invention aims to provide an installation method of an overhanging structure, and aims to solve the problems of low efficiency and high safety risk caused by the fact that construction of the overhanging structure is carried out by adopting a conventional installation method in the prior art.
In order to solve the above technical problem, the present invention provides an installation method of an overhanging structure, for implementing installation of the overhanging structure on a main structure, including:
determining an overhanging structure to be installed, wherein the overhanging structure comprises a plurality of modules;
determining the combination size, the segmentation position and the installation sequence of the cantilever structure;
assembling a plurality of said modules into an assembly;
and hoisting the assembly to a connecting node of the main body structure, and carrying out installation construction.
Optionally, determining the combination size, the segmentation position and the installation order of the cantilever structure specifically includes:
designing the combination size, the segmentation position and the installation sequence of the cantilever structure according to the construction working condition of the main body structure;
integral modeling, namely lofting and performing simulation analysis according to the combination size, the sectional position and the installation sequence of the cantilever structure;
and determining the combination size, the segmentation position and the installation sequence of the cantilever structure.
Optionally, the length, width and height of the assembly do not exceed 3 m.
Optionally, the assembly comprises one said module or a plurality of said modules.
Optionally, the assembly comprises a plurality of said modules, which are connected by a connector.
Optionally, before hoisting the assembly to the connection node of the main body structure, the method further includes:
and arranging a hoisting point on the assembly.
Optionally, before hoisting the assembly to the connection node of the main body structure, the method further includes:
and arranging an operating platform below the connecting node of the main body structure.
Optionally, the assembly is hoisted to a connection node of the main structure, and installation and construction are performed, specifically including:
sequentially hoisting the assembly parts to the connecting nodes of the main body structure according to the installation sequence of the cantilever structure;
connecting the assemblies at segmented locations of the cantilevered structure;
and connecting the two ends of the cantilever structure with the connecting nodes of the main body structure.
Optionally, the mounting order according to the structure of encorbelmenting will the sub-assembly hoist in proper order extremely the connected node of major structure specifically includes:
and sequentially hoisting the assembly parts to the connecting nodes of the main body structure by using vertical hoisting equipment according to the installation sequence of the cantilever structure.
Optionally, after the assembly is hoisted to the connection node of the main structure and is installed and constructed, the method further includes:
and removing the vertical hoisting equipment.
The construction method of the cantilever structure provided by the invention has the following beneficial effects: when the mounting method of the cantilever structure is used for mounting the cantilever structure on the main body structure, firstly, the cantilever structure to be mounted is determined, the cantilever structure comprises a plurality of modules, then, the combination size, the segmentation position and the mounting sequence of the cantilever structure are determined, the modules are assembled into an assembly, and finally, the assembly is hoisted to the connecting node of the main body structure for mounting construction. According to the invention, each module of the cantilever structure is reasonably arranged into one or more assemblies meeting the transportation requirement, so that the number of vertical transportation in the construction process is reduced, the construction cost is reduced, the construction efficiency is improved, the high-altitude operation can be reduced, and the construction difficulty and the construction safety risk are reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a flowchart of a method for mounting an overhanging structure according to an embodiment of the present invention;
fig. 2 is a schematic view illustrating an installation of an overhanging structure and a main structure according to an embodiment of the present invention;
wherein the reference numerals of figures 1-2 are as follows:
1-overhanging structure; 2-a connector; 3-hoisting point; 4-vertical hoisting equipment; 5-main body structure.
Detailed Description
The following describes a method for mounting an overhanging structure according to the present invention in further detail with reference to the accompanying drawings and embodiments. The advantages and features of the present invention will become more apparent from the following description. It is to be noted that the drawings are in a very simplified form and are not to precise scale, which is merely for the purpose of facilitating and distinctly claiming the embodiments of the present invention.
The core idea of the invention is to provide an installation method of the cantilever structure, and each module of the cantilever structure is reasonably arranged into one or more combined parts meeting the transportation requirement, so that the vertical transportation quantity in the construction process is reduced, the construction cost is reduced, and the construction efficiency is improved.
For this reason, the present invention provides an installation method of an overhanging structure, which is used for implementing installation of the overhanging structure on a main structure, and referring to fig. 1 and fig. 2, the installation method specifically includes the following steps:
step S1, determining an overhanging structure to be installed, the overhanging structure including a plurality of modules.
Specifically, according to the construction working condition of the main structure 5, the overhanging structure 1 to be installed, which is adapted to the main structure 5, is determined, and the overhanging structure 1 is composed of a plurality of modules.
And step S2, determining the combination size, the segmentation position and the installation sequence of the cantilever structure. The method specifically comprises the following steps:
step S21, designing the combination size, the segment position and the installation order of the cantilever structure 1 according to the construction condition of the main structure 5.
Specifically, based on the safety of the characteristics, construction state and use state of the cantilever structure 1, the cantilever structure 1 to be installed is subjected to stress analysis, and the combined size, the segmentation position and the installation sequence of the cantilever structure 1 are designed according to the construction working condition of the main structure 5.
And step S22, modeling integrally, lofting according to the combination size, the segmentation position and the installation sequence of the cantilever structure, and performing simulation analysis.
Specifically, modeling is carried out integrally, and a construction scheme is determined: lofting is carried out according to the combination size, the segmentation position and the installation sequence of the cantilever structure 1, then simulation analysis is carried out, and the influence of structural deformation and internal force of the cantilever structure 1 is analyzed so as to ensure the safety and the quality of subsequent construction.
Step S23, finally, determines the combination size, the segment position, and the mounting order of the cantilever structure 1.
And step S3, assembling a plurality of modules into an assembly.
It should be noted that, in order to meet the transportation requirement, the length, width and height of the assembly should not exceed 3m, and based on this limitation, according to the overall size and combined size of the cantilever structure 1, the present embodiment aims to assemble a plurality of modules into a smaller number of assemblies as much as possible, so as to reduce the number of subsequent vertical transportation and reduce the construction cost. It can be seen that, in operation, the assembly may be composed of only one of the modules, or may be composed of a plurality of the modules. When the assembly is formed by assembling a plurality of modules, the modules are connected through the connecting piece 2, and preferably, the modules are connected with the connecting piece 2 through welding.
Specifically, when assembling the assembly, the number of the assemblies to be assembled into the assembly is first determined according to the combined size, the segmentation position and the installation order of the cantilever structure 1 and the overall size of the cantilever structure 1, for example, a plurality of modules of the cantilever structure 1 to be installed are specifically designed into a plurality of the assemblies according to the design requirements, wherein some assemblies include a plurality of modules, and some assemblies include only one module. The concrete assembling process comprises the following steps: the method comprises the steps of firstly carrying out factory assembly, specifically integrally transporting an assembly consisting of a plurality of modules to a construction site after the assembly of the assembly is finished in a factory, and transporting the assembly consisting of one module to the construction site, so as to meet the transportation requirement and avoid the conditions of ultra-wide transportation, ultra-long transportation or ultra-high transportation. And subsequently, during the installation and construction process, field assembly is carried out, namely a plurality of assemblies are assembled at the specified positions to form the cantilever structure.
And step S4, hoisting the assembly to the connecting node of the main body structure, and carrying out installation construction.
Further, before performing step S4, the method further includes:
a hoisting point 3 is arranged on each assembly, specifically, the hoisting points 3 are symmetrically arranged relative to the assembly, so that stable hoisting can be carried out subsequently;
and an operating platform is arranged below the connecting node of the main body structure 5, and specifically, the operating platform adopts a structure form of a solid web beam or a truss according to the load and the area of the platform.
Specifically, step S4 specifically includes the following steps:
and step S41, sequentially hoisting the assembly parts to the connection nodes of the main body structure according to the installation sequence of the cantilever structure.
Firstly, the type selection and the quantity of hoisting mechanical equipment are determined according to the construction site conditions, vertical hoisting equipment is preferably selected in the embodiment, the vertical hoisting equipment comprises a hoisting machine and a hoisting rope, one end of the hoisting rope is connected with a hoisting point 3 on the assembly part during specific hoisting, the other end of the hoisting rope is connected with the hoisting machine, and then the hoisting machine is used for hoisting.
Specifically, the assembly is sequentially hoisted to the connecting node of the main body structure 5 by using vertical hoisting equipment according to the installation sequence of the cantilever structure 1, so that the use of temporary support in the traditional installation method is omitted, the high-altitude operation is reduced, and the construction difficulty and the construction safety risk are reduced.
Step S42, connecting the assembly at the segmented position of the cantilever structure 1.
Step S43 is to connect both ends of the cantilever structure 1 to the connection nodes of the main structure 5.
Specifically, the vertical hoisting equipment is used for completing the connection between the combined parts and the connection between the two ends of the cantilever structure 1 and the connection nodes of the main body structure 5, so that the field personnel are prevented from operating in the air, and the construction risk is reduced.
Further, after the step S4 is executed, the method further includes:
and removing the vertical hoisting equipment.
In summary, the installation method of the cantilever structure provided by the invention has the following advantages: when the mounting method of the cantilever structure is used for mounting the cantilever structure on the main body structure, firstly, the cantilever structure to be mounted is determined, the cantilever structure comprises a plurality of modules, then, the combination size, the segmentation position and the mounting sequence of the cantilever structure are determined, the modules are assembled into an assembly, and finally, the assembly is hoisted to the connecting node of the main body structure for mounting construction. According to the invention, each module of the cantilever structure is reasonably arranged into one or more assemblies meeting the transportation requirement, so that the number of vertical transportation in the construction process is reduced, the construction cost is reduced, the construction efficiency is improved, the high-altitude operation can be reduced, and the construction difficulty and the construction safety risk are reduced.
Finally, it should be noted that the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (10)
1. An installation method of an overhanging structure, which is used for realizing the installation of the overhanging structure on a main structure, and is characterized by comprising the following steps:
determining an overhanging structure to be installed, wherein the overhanging structure comprises a plurality of modules;
determining the combination size, the segmentation position and the installation sequence of the cantilever structure;
assembling a plurality of said modules into an assembly;
and hoisting the assembly to a connecting node of the main body structure, and carrying out installation construction.
2. The method of installing an overhanging structure of claim 1, wherein determining the combined size, the segment position and the installation order of the overhanging structure specifically comprises:
designing the combination size, the segmentation position and the installation sequence of the cantilever structure according to the construction working condition of the main body structure;
integral modeling, namely lofting and performing simulation analysis according to the combination size, the sectional position and the installation sequence of the cantilever structure;
and determining the combination size, the segmentation position and the installation sequence of the cantilever structure.
3. A method of installing an overhanging structure according to claim 1 wherein the length, width and height of the combination are not more than 3 m.
4. A method of installing an overhanging structure according to claim 3 wherein the assembly includes one or more of the modules.
5. An arrangement according to claim 4, wherein the assembly comprises a plurality of said modules connected by connectors.
6. A method of installing an overhanging structure according to claim 1, wherein before hoisting the assembly to the attachment node of the main structure, further comprising:
and arranging a hoisting point on the assembly.
7. The method of installing an overhanging structure of claim 6 further comprising, before hoisting the assembly to the attachment node of the main structure:
and arranging an operating platform below the connecting node of the main body structure.
8. The method for installing an overhanging structure of claim 7, wherein the assembling unit is hoisted to the joint of the main structure and installed, and the method comprises the following specific steps:
sequentially hoisting the assembly parts to the connecting nodes of the main body structure according to the installation sequence of the cantilever structure;
connecting the assemblies at segmented locations of the cantilevered structure;
and connecting the two ends of the cantilever structure with the connecting nodes of the main body structure.
9. The method according to claim 8, wherein the step of sequentially hoisting the assembly members to the connection nodes of the main structure according to the installation sequence of the cantilever structure comprises:
and sequentially hoisting the assembly parts to the connecting nodes of the main body structure by using vertical hoisting equipment according to the installation sequence of the cantilever structure.
10. The method of installing an overhanging structure according to claim 9, wherein after the step of hoisting the assembly to the joint of the main structure and performing the installation work, the method further comprises:
and removing the vertical hoisting equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110648036.0A CN113235949A (en) | 2021-06-10 | 2021-06-10 | Mounting method of cantilever structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110648036.0A CN113235949A (en) | 2021-06-10 | 2021-06-10 | Mounting method of cantilever structure |
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| CN113235949A true CN113235949A (en) | 2021-08-10 |
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| CN202110648036.0A Pending CN113235949A (en) | 2021-06-10 | 2021-06-10 | Mounting method of cantilever structure |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000282713A (en) * | 1999-03-31 | 2000-10-10 | Hazama Gumi Ltd | Division type lift-up method and execution structure for overhanging structure |
| JP2008214932A (en) * | 2007-03-02 | 2008-09-18 | Takenaka Komuten Co Ltd | Construction method for building |
| CN104213714A (en) * | 2014-08-27 | 2014-12-17 | 中国建筑第二工程局有限公司 | Lifting point reinforcing structure of ultra-large roof truss and lifting construction method |
| CN107989380A (en) * | 2016-10-27 | 2018-05-04 | 中交三航局第三工程有限公司 | Steel truss gallery hydraulic synchronizing lifting construction technique |
| CN108457382A (en) * | 2017-12-20 | 2018-08-28 | 中国建筑第八工程局有限公司 | The construction method of high-altitude overhanging steel structure |
| CN109138398A (en) * | 2018-09-28 | 2019-01-04 | 上海建工四建集团有限公司 | A kind of pin-connected panel suspention steel platform and its construction method |
| CN110344501A (en) * | 2019-07-26 | 2019-10-18 | 广东建星建造集团有限公司 | A kind of construction method that Steel corridor is integrally promoted |
-
2021
- 2021-06-10 CN CN202110648036.0A patent/CN113235949A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000282713A (en) * | 1999-03-31 | 2000-10-10 | Hazama Gumi Ltd | Division type lift-up method and execution structure for overhanging structure |
| JP2008214932A (en) * | 2007-03-02 | 2008-09-18 | Takenaka Komuten Co Ltd | Construction method for building |
| CN104213714A (en) * | 2014-08-27 | 2014-12-17 | 中国建筑第二工程局有限公司 | Lifting point reinforcing structure of ultra-large roof truss and lifting construction method |
| CN107989380A (en) * | 2016-10-27 | 2018-05-04 | 中交三航局第三工程有限公司 | Steel truss gallery hydraulic synchronizing lifting construction technique |
| CN108457382A (en) * | 2017-12-20 | 2018-08-28 | 中国建筑第八工程局有限公司 | The construction method of high-altitude overhanging steel structure |
| CN109138398A (en) * | 2018-09-28 | 2019-01-04 | 上海建工四建集团有限公司 | A kind of pin-connected panel suspention steel platform and its construction method |
| CN110344501A (en) * | 2019-07-26 | 2019-10-18 | 广东建星建造集团有限公司 | A kind of construction method that Steel corridor is integrally promoted |
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Application publication date: 20210810 |