CN111550062A - Hoisting steel frame design method applied to field of building curtain wall - Google Patents
Hoisting steel frame design method applied to field of building curtain wall Download PDFInfo
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- CN111550062A CN111550062A CN202010484064.9A CN202010484064A CN111550062A CN 111550062 A CN111550062 A CN 111550062A CN 202010484064 A CN202010484064 A CN 202010484064A CN 111550062 A CN111550062 A CN 111550062A
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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
- E04G21/16—Tools or apparatus
- E04G21/162—Handles to carry construction blocks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
-
- 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
- E04G21/167—Tools or apparatus specially adapted for working-up plates, panels or slab shaped building elements
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Load-Bearing And Curtain Walls (AREA)
Abstract
The invention discloses a design method of a hoisting steel frame applied to the field of building curtain walls, which comprises the following steps: 1) analyzing load and working conditions; 2) checking and calculating a steel frame: determining a steel frame structure calculation unit, wherein the steel frame structure calculation unit is subjected to load arrangement, bearing capacity calculation and deformation calculation; 3) checking and calculating the steel wire rope: 4) checking and calculating a supporting structure of the winch: determining the specific size and the section shape of the structure calculation unit, the load arrangement on the structure calculation unit, the bearing capacity calculation and the deformation calculation; 5) checking and calculating the bolt; checking the shear strength of the bolt; 6) and (6) checking and calculating the welding seam. The invention effectively ensures the safety of hoisting the large glass plate by the hoisting steel frame and avoids accidents in the hoisting process.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a design method of a hoisting steel frame applied to the field of building curtain walls.
Background
As is well known, building curtain is one of ubiquitous building structure in the existing market, also receive liking of people deeply because of its pleasing to the eye degree height, aluminum plate glass molding curtain, bright frame glass curtain, in the work progress such as full glass curtain and aluminum plate furred ceiling, must carry out the installation of large plate glass behind the just ability of the large plate glass hoist to corresponding installation floor of waiting to install, however, must use the hoist and mount steelframe to accomplish among the large plate glass hoist and mount process, current hoist and mount steelframe produces huge security threat to the constructor because of bearing the weight of the atress problem.
Disclosure of Invention
The invention provides a design method of a hoisting steel frame applied to the field of building curtain walls, which can effectively solve the technical problems mentioned in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a design method of a hoisting steel frame applied to the field of building curtain walls comprises the following steps:
1) analyzing load and working conditions;
1.1) load value: according to the steel frame stress condition and the calculation model, the load is input according to the node load, wherein:
constant load: self-weight of the steel frame;
live load: calculating the hollow toughened glass according to 50kg/m 2; the glass plate is 2.8m x3m, the hoisting power amplification coefficient is 1.3, and the single-point load is calculated according to the hoisting power amplification coefficient;
wind load: wk ═ β z μ s μ zw 0;
1.2) calculating load combination;
load combination of the structure during the checking calculation of the strength: 1.3 dead load +1.5 live load +1.5 wind load
And (3) load combination of the structure during deformation checking calculation: 1.0 constant load +1.0 live load
2) Checking and calculating a steel frame: determining a steel frame structure calculation unit, wherein the steel frame structure calculation unit is subjected to load arrangement, bearing capacity calculation and deformation calculation;
3) checking and calculating the steel wire rope: the tensile force borne by the steel wire rope in the hoisting process of the steel wire rope to be used on site is as follows:
the safety coefficient of the steel wire rope during hoisting is not less than 6;
in the formula: qD-a construction calculated value (kN) of the tension experienced by the power steel cord;
k is a safety coefficient, and 6 is selected;
the calculation proves that the tensile force borne by the steel wire rope is less than the breaking tensile force during hoisting;
4) checking and calculating a supporting structure of the winch: determining the specific size and the section shape of the structure calculation unit, the load arrangement on the structure calculation unit, the bearing capacity calculation and the deformation calculation;
5) checking and calculating the bolt; checking the shear strength of the bolt;
6) and (6) checking and calculating the welding seam.
Preferably, in step 3) wire rope checking calculation, the wire rope structure to be used on site is 431SW + NF, the diameter is 8.3mm, the nominal strength is 2160MPa, the breaking tension is not less than 55KN, and in the hoisting process, the tension borne by the wire rope is as follows:
preferably, the weld seam checking in the step 6) comprises fillet weld strength checking and fillet weld structure checking, wherein the checking content of the fillet weld strength checking is normal stress under axial force and angular point maximum comprehensive stress.
Preferably, in step 6), the calculated weld is a four-side girth welding fillet weld, the height of the welding leg is 4mm, the thickness of the connecting plate is 10mm, the height of the weld is 4mm, and the internal force value is 31.9 kN.
Preferably, in step 6), the fillet configuration inspection requires checking fillet web minimum thickness, configuration required maximum fillet height, web fillet web maximum thickness, and configuration required minimum web fillet height.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, by analyzing the load and working condition of the hoisting steel frame, calculating the bearing capacity and deformation of the steel frame, and checking the steel wire rope, the winch supporting structure, the bolt and the welding line, the safety of hoisting the large plate glass by the hoisting steel frame is effectively ensured, and accidents in the hoisting process are avoided.
Drawings
FIG. 1 is a schematic structural view of a large glass-hanging steel frame according to an embodiment of the present invention;
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. 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 first embodiment is as follows:
as shown in fig. 1, a method for designing a hoisting steel frame applied to the field of building curtain walls comprises the following steps:
1) analyzing load and working conditions;
1.1) load value: according to the steel frame stress condition and the calculation model, the load is input according to the node load, wherein:
constant load: self-weight of the steel frame;
live load: calculating the hollow toughened glass according to 50kg/m 2; the glass plate is 2.8m x3m, the hoisting power amplification coefficient is 1.3, and the single-point load is calculated according to the hoisting power amplification coefficient;
wind load: wk ═ β z μ s μ zw 0;
1.2) calculating load combination;
load combination of the structure during the checking calculation of the strength: 1.3 dead load +1.5 live load +1.5 wind load
And (3) load combination of the structure during deformation checking calculation: 1.0 constant load +1.0 live load
2) Checking and calculating a steel frame: determining a steel frame structure calculation unit, wherein the steel frame structure calculation unit is subjected to load arrangement, bearing capacity calculation and deformation calculation;
3) checking and calculating the steel wire rope: the tensile force borne by the steel wire rope in the hoisting process of the steel wire rope to be used on site is as follows:
the safety coefficient of the steel wire rope during hoisting is not less than 6;
in the formula: qD-power wireA construction calculated value (kN) of the tension to which the rope is subjected;
k is a safety coefficient, and 6 is selected;
the calculation proves that the tensile force borne by the steel wire rope is less than the breaking tensile force during hoisting;
4) checking and calculating a supporting structure of the winch: determining the specific size and the section shape of the structure calculation unit, the load arrangement on the structure calculation unit, the bearing capacity calculation and the deformation calculation;
5) checking and calculating the bolt; and (4) checking the shear strength of the bolt.
6) Checking and calculating the welding line: the welding seam checking calculation comprises fillet welding seam strength checking calculation and fillet welding seam structure inspection, wherein the checking calculation content of the fillet welding seam strength checking calculation is normal stress and angular point maximum comprehensive stress under axial force.
Example two:
as shown in fig. 1, a method for designing a hoisting steel frame applied to the field of building curtain walls comprises the following steps:
1) analyzing load and working conditions;
1.1) load value: according to the steel frame stress condition and the calculation model, the load is input according to the node load, wherein:
constant load: self-weight of the steel frame;
live load: calculating the hollow toughened glass according to 50kg/m 2; the glass plate is 2.8mx3m, the hoisting power amplification coefficient is 1.3, and the single-point load is calculated according to the hoisting power amplification coefficient;
wind load: wk ═ β z μ s μ zw 0;
1.2) calculating load combination;
load combination of the structure during the checking calculation of the strength: 1.3 dead load +1.5 live load +1.5 wind load
And (3) load combination of the structure during deformation checking calculation: 1.0 constant load +1.0 live load
2) Checking and calculating a steel frame: determining a steel frame structure calculation unit, wherein the steel frame structure calculation unit is subjected to load arrangement, bearing capacity calculation and deformation calculation;
3) checking and calculating the steel wire rope: the steel wire rope structure that the scene was planned to use is 431SW + NF, diameter 8.3mm, and nominal strength is 2160MPa, and breaking tension is not less than 55KN, and the hoist and mount in-process, the pulling force that the wire rope receives is:
the safety coefficient of the steel wire rope during hoisting is not less than 6;
in the formula: qD-a construction calculated value (kN) of the tension experienced by the power steel cord;
k is a safety coefficient, and 6 is selected;
the calculation proves that the tensile force borne by the steel wire rope is less than the breaking tensile force during hoisting;
4) checking and calculating a supporting structure of the winch: determining the specific size and the section shape of the structure calculation unit, the load arrangement on the structure calculation unit, the bearing capacity calculation and the deformation calculation;
5) checking and calculating the bolt; checking the shear strength of the bolt;
6) checking and calculating the welding line: the checking content of the fillet weld strength checking calculation is normal stress under axial force and the maximum comprehensive stress of an angular point;
the checked welding line is a four-side girth welding fillet welding line, the height of a welding leg is 4mm, the thickness of the connecting plate is 10mm, the height of the welding line is 4mm, and the internal force value is N which is 31.9 kN;
fillet weld construction inspection requires inspection of fillet weld web minimum thickness, construction required maximum fillet height, web fillet weld web maximum thickness, and construction required minimum web fillet height.
According to the invention, by analyzing the load and working condition of the hoisting steel frame, calculating the bearing capacity and deformation of the steel frame, and checking the steel wire rope, the winch supporting structure, the bolt and the welding line, the safety of hoisting the large plate glass by the hoisting steel frame is effectively ensured, and accidents in the hoisting process are avoided.
The foregoing is merely exemplary and illustrative of the present invention and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the invention as defined in the following claims.
Claims (5)
1. A design method of a hoisting steel frame applied to the field of building curtain walls is characterized by comprising the following steps:
1) analyzing load and working conditions;
1.1) load value: according to the steel frame stress condition and the calculation model, the load is input according to the node load, wherein:
constant load: self-weight of the steel frame;
live load: calculating the hollow toughened glass according to 50kg/m 2; the glass plate is 2.8m x3m, the hoisting power amplification coefficient is 1.3, and the single-point load is calculated according to the hoisting power amplification coefficient;
wind load: wk ═ β z μ s μ zw 0;
1.2) calculating load combination;
load combination of the structure during the checking calculation of the strength: 1.3 dead load +1.5 live load +1.5 wind load
And (3) load combination of the structure during deformation checking calculation: 1.0 constant load +1.0 live load
2) Checking and calculating a steel frame: determining a steel frame structure calculation unit, wherein the steel frame structure calculation unit is subjected to load arrangement, bearing capacity calculation and deformation calculation;
3) checking and calculating the steel wire rope: the tensile force borne by the steel wire rope in the hoisting process of the steel wire rope to be used on site is as follows:
the safety coefficient of the steel wire rope during hoisting is not less than 6;
in the formula: qD-a construction calculated value (kN) of the tension experienced by the power steel cord;
k is a safety coefficient, and 6 is selected;
the calculation proves that the tensile force borne by the steel wire rope is less than the breaking tensile force during hoisting;
4) checking and calculating a supporting structure of the winch: determining the specific size and the section shape of the structure calculation unit, the load arrangement on the structure calculation unit, the bearing capacity calculation and the deformation calculation;
5) checking and calculating the bolt; checking the shear strength of the bolt;
6) and (6) checking and calculating the welding seam.
2. The design method of the hoisting steel frame applied to the field of building curtain walls as claimed in claim 1, wherein the design method comprises the following steps: in step 3) wire rope checking calculation, the wire rope structure that the scene was planned to use is 431SW + NF, diameter 8.3mm, and nominal strength is 2160MPa, and breaking force is not less than 55KN, and in the hoist and mount process, the pulling force that the wire rope receives is:
3. the design method of the hoisting steel frame applied to the field of building curtain walls as claimed in claim 2, wherein the design method comprises the following steps: the welding seam checking in the step 6) comprises fillet welding seam strength checking and fillet welding seam structure checking, wherein the checking content of the fillet welding seam strength checking is normal stress and angular point maximum comprehensive stress under axial force.
4. The design method of the hoisting steel frame applied to the field of building curtain walls as claimed in claim 3, wherein the design method comprises the following steps: in the step 6), the calculated welding line is a four-side girth welding fillet welding line, the height of a welding leg is 4mm, the thickness of the connecting plate is 10mm, the height of the welding line is 4mm, and the internal force value is N which is 31.9 kN.
5. The design method of the hoisting steel frame applied to the field of building curtain walls as claimed in claim 4, wherein the design method comprises the following steps: in step 6), fillet weld configuration inspection requires inspection of fillet weld web minimum thickness, configuration required maximum fillet height, web fillet weld web maximum thickness, and configuration required minimum web fillet height.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010484064.9A CN111550062A (en) | 2020-06-01 | 2020-06-01 | Hoisting steel frame design method applied to field of building curtain wall |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010484064.9A CN111550062A (en) | 2020-06-01 | 2020-06-01 | Hoisting steel frame design method applied to field of building curtain wall |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103774855A (en) * | 2014-01-15 | 2014-05-07 | 浙江东驰钢结构有限公司 | Construction method for external wall basket |
| CN205804987U (en) * | 2016-06-24 | 2016-12-14 | 中国十七冶集团有限公司 | A kind of heavy construction sub-truss lifting detection device |
| CN205908004U (en) * | 2016-08-22 | 2017-01-25 | 中国电建集团核电工程公司 | Special hoist and mount fixing device of hanging flower basket |
| EP3351699A1 (en) * | 2017-01-20 | 2018-07-25 | Hexagon Technology Center GmbH | Construction management system and method |
-
2020
- 2020-06-01 CN CN202010484064.9A patent/CN111550062A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103774855A (en) * | 2014-01-15 | 2014-05-07 | 浙江东驰钢结构有限公司 | Construction method for external wall basket |
| CN205804987U (en) * | 2016-06-24 | 2016-12-14 | 中国十七冶集团有限公司 | A kind of heavy construction sub-truss lifting detection device |
| CN205908004U (en) * | 2016-08-22 | 2017-01-25 | 中国电建集团核电工程公司 | Special hoist and mount fixing device of hanging flower basket |
| EP3351699A1 (en) * | 2017-01-20 | 2018-07-25 | Hexagon Technology Center GmbH | Construction management system and method |
Non-Patent Citations (2)
| Title |
|---|
| 田娥等: "《钢结构施工实例计算》", 31 October 2015 * |
| 郭子洲: "浅议电动吊篮在外装饰施工过程中的几点思考", 《安徽建筑》 * |
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Application publication date: 20200818 |