CN117364922B - Construction method for building roof with steel mesh frame structure - Google Patents
Construction method for building roof with steel mesh frame structure Download PDFInfo
- Publication number
- CN117364922B CN117364922B CN202311366189.1A CN202311366189A CN117364922B CN 117364922 B CN117364922 B CN 117364922B CN 202311366189 A CN202311366189 A CN 202311366189A CN 117364922 B CN117364922 B CN 117364922B
- Authority
- CN
- China
- Prior art keywords
- keel
- steel mesh
- steel
- mesh frame
- net frame
- Prior art date
- 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.)
- Active
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 112
- 239000010959 steel Substances 0.000 title claims abstract description 112
- 238000010276 construction Methods 0.000 title claims abstract description 63
- 238000000034 method Methods 0.000 claims abstract description 20
- 238000009434 installation Methods 0.000 claims description 20
- 238000013461 design Methods 0.000 claims description 19
- 238000013507 mapping Methods 0.000 claims description 12
- 239000002131 composite material Substances 0.000 claims description 9
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 9
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 9
- 240000004282 Grewia occidentalis Species 0.000 claims description 6
- 238000009435 building construction Methods 0.000 abstract description 3
- 238000012544 monitoring process Methods 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 230000011218 segmentation Effects 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 238000002834 transmittance Methods 0.000 description 2
- 239000012080 ambient air Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000004313 glare Effects 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 231100000241 scar Toxicity 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000036561 sun exposure Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- 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
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
-
- 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
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
-
- 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
- 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
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
- E04B2001/2406—Connection nodes
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Mechanical Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
- Working Measures On Existing Buildindgs (AREA)
Abstract
The invention discloses a construction method of a steel mesh frame structure building roof, which relates to the technical field of steel mesh frame building construction and comprises the following steps: the method comprises the steps that a multi-keel set and a cylindrical support are arranged on a pre-built building, the keel set comprises transverse keels which are uniformly paved in parallel with the width direction of the building and longitudinal keels which are uniformly paved in parallel with the length direction of the building, the cylindrical support is arranged at the intersection point of the longitudinal keels and the transverse keels, and the cylindrical support is perpendicular to the intersection point of the longitudinal keels and the transverse keels; segmenting a steel mesh frame structure according to the cylindrical support as a node to form a steel mesh frame section, wherein the stress result of any steel mesh frame section meets the single hoisting requirement; hoisting the steel net frame sections through a lifting appliance, so that four corners of the steel net frame sections are abutted with corners of adjacent steel net frame sections; and after the steel net frame sections are welded into a whole, the construction of the steel net frame structure is completed.
Description
Technical Field
The invention relates to the technical field of steel mesh frame building construction, in particular to a steel mesh frame structure building roof construction method.
Background
In recent years, with the development of building construction technology, under the strong support of national policies, fabricated buildings are widely applied, and in the stage of continuous rapid development in recent years, numerous building materials and structural members applied to the fabricated buildings are put into mass production and use, and social praise is gained. In the construction operation of the assembled building, the steel skeleton light steel net rack unit body is widely adopted to be paved on the top of the building as a roof, and the steel structure roof has the advantages of good structural strength, light weight, energy saving, environmental protection, good durability and the like; the construction of the structure generally adopts an integral assembly hanging bracket method and a high-altitude scattered splicing method. The integral assembly hanging frame method generally has site limitation, and the site is required to be provided with large-scale automobile hanging support conditions. The high-altitude loose splicing method is generally artificial high-altitude splicing, the construction operation is inconvenient, the control difficulty of rod piece angles and bolt fastening degree is high, quality problems are easy to occur, and correction is difficult; the constructor has long working time at high altitude, high spirit, easy fatigue and high safety risk; the construction efficiency of the overhead operation is low, and the construction progress is affected; temporary scaffolds and operation platforms are required to be erected, so that the number of temporary projects is large, and the economy is low; the high-altitude operation is easily influenced by rainfall, strong wind and high-temperature weather, and has more influencing factors. Therefore, a steel mesh frame construction method which is simple to operate and efficient in construction efficiency needs to be provided.
Disclosure of Invention
In order to overcome the defects, the invention provides a construction method of a steel mesh frame structure building roof, and the construction method is convenient and fast to construct and operate by completing the assembly of all steel mesh frame sections on the ground, can effectively improve the assembly quality and the assembly efficiency of the steel mesh frame sections, and is further convenient to improve the overall assembly quality of the steel mesh frame structure; meanwhile, the overhead working time of the steel mesh frame structure during hoisting can be effectively shortened, and the safety risk is low.
In one aspect, a method for constructing a roof of a steel mesh frame structure building is provided, comprising the following steps:
The method comprises the steps that a keel group and a cylindrical support are arranged on a pre-built building, the keel group comprises transverse keels which are uniformly paved in parallel with the width direction of the building and longitudinal keels which are uniformly paved in parallel with the length direction of the building, the cylindrical support is arranged at the intersection point of the longitudinal keels and the transverse keels, and the cylindrical support is perpendicular to the intersection point of the longitudinal keels and the transverse keels;
segmenting a steel mesh frame structure according to the cylindrical support as a node to form a steel mesh frame section, wherein the stress result of any steel mesh frame section meets the single hoisting requirement;
hoisting the steel net frame sections through a lifting appliance, so that four corners of the steel net frame sections are abutted with corners of adjacent steel net frame sections;
after the steel net frame sections are welded into a whole, the construction of the steel net frame structure is completed;
providing a transparent PTFE composite film, and covering and bonding the transparent PTFE composite film on the surface of the steel structure net frame;
the steel net frame section comprises a top net frame and a bottom net frame, the top net frame is arranged above the bottom net frame, the top layer is connected with the bottom net frame through web members, the steel net frame section at least comprises four chord balls and chord members, the chord balls in the top net frame are upper chord balls, the chord members in the top net frame are upper chord members, the chord balls in the bottom net frame are lower chord balls, and the chord members in the bottom net frame are lower chord members;
The upper chord balls are uniformly distributed right above each rectangular unit grid in the bottom layer net rack, the web members are connected between each upper chord ball and four lower chord balls in the rectangular unit grids right below the upper chord balls, and the cylindrical support is supported at the bottom of the bottom layer net rack along the length direction of the bottom layer net rack;
the assembly process of the steel mesh frame section comprises the following steps:
building a keel three-dimensional design model according to a construction drawing, extracting an assembly structure of the keel three-dimensional design model, and recording IFC attribute information of the assembly structure;
marking the type and the function of each assembly structure according to the keel construction specification, and classifying the assembly structures according to the construction drawing to obtain the classification result of the assembly structures;
Mapping the classification result to a BIM model, establishing a keel construction BIM model, and performing field installation on the steel mesh frame section according to the keel construction BIM model;
The steel mesh frame section comprises the following steps when being installed on site:
step a: and (3) assembling a lower chord member: assembling a plurality of lower chords in an assembly site to form lower-layer net rack sections in the steel net rack, wherein two adjacent lower chords are connected through a lower chord ball;
step b: web member assembly: when the web members in the steel mesh frame section are assembled, firstly, four web members are arranged on each upper chord ball in the steel mesh frame section, so that the upper chord ball and the four web members corresponding to the upper chord ball form a four-corner cone, and then the web members of each four-corner cone are respectively connected to the corresponding lower chord balls in the assembled lower mesh frame section;
Step c: and (3) assembling an upper chord member: assembling a plurality of upper chords in the steel mesh frame segment, wherein the upper chords are connected between two adjacent upper chords;
step d: comparing the field installation structure with the keel construction BIM model, and if the field installation structure is different from the keel construction BIM model, adjusting the field installation structure according to the keel construction BIM model;
step e: repeating steps a to e for a plurality of times until the assembly of all the steel net frame sections is completed;
Mapping the classification result to a BIM model, and building a keel construction BIM model, wherein the method specifically comprises the following steps of:
step 31: determining a coding system of the keel three-dimensional design model, and coding the keel three-dimensional design model by adopting a multi-level code;
Step 32: determining a custom mapping relation between the multi-level codes and IFC attribute information of the keel three-dimensional design model according to a formulated coding system;
Step 33: based on the self-defined mapping relation, IFC attributes of the keel three-dimensional design model are processed, BIM structure codes are generated, and a keel construction BIM model consistent with a construction drawing is established.
The beneficial effects of the invention are as follows:
according to the invention, all the steel mesh frame segments are assembled on the ground, so that the construction operation is convenient, the assembly quality and the assembly efficiency of the steel mesh frame segments can be effectively improved, and the overall assembly quality of the steel mesh frame structure is conveniently improved; meanwhile, the overhead working time of the steel mesh frame structure during hoisting can be effectively shortened, and the safety risk is low.
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. Like elements or portions are generally identified by like reference numerals throughout the several figures. In the drawings, elements or portions thereof are not necessarily drawn to scale.
FIG. 1 is a flow chart of a method of constructing a steel mesh frame structured building roof according to the present invention;
Fig. 2 is a flow chart of the method for constructing a roof of a building with a steel mesh structure according to the present invention, when the steel mesh segments are installed in situ.
Detailed Description
Embodiments of the technical scheme of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present invention, and thus are merely examples, and are not intended to limit the scope of the present invention.
It is noted that unless otherwise indicated, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this application belongs.
In example 1, as shown in fig. 1, a method for constructing a steel mesh frame structure building roof includes the steps of:
The method comprises the steps that a keel group and a cylindrical support are arranged on a pre-built building, the keel group comprises transverse keels which are uniformly paved in parallel with the width direction of the building and longitudinal keels which are uniformly paved in parallel with the length direction of the building, the cylindrical support is arranged at the intersection point of the longitudinal keels and the transverse keels, and the cylindrical support is perpendicular to the intersection point of the longitudinal keels and the transverse keels;
segmenting a steel mesh frame structure according to the cylindrical support as a node to form a steel mesh frame section, wherein the stress result of any steel mesh frame section meets the single hoisting requirement;
hoisting the steel net frame sections through a lifting appliance, so that four corners of the steel net frame sections are abutted with corners of adjacent steel net frame sections;
after the steel net frame sections are welded into a whole, the construction of the steel net frame structure is completed;
In this scheme, through the mode that adopts cylindrical support to support, assemble the steel mesh frame in ground segmentation, later hoist steel mesh frame to the bed-jig, then weld the steel mesh frame that hoist and mount good steel mesh frame with steel mesh frame around, realize assembling in limited space, the effect of hoist and mount construction steel mesh frame, the hoist and mount of steel mesh frame can be gone on with civil engineering is synchronous, shorten the time limit for a project greatly, simultaneously through regard cylindrical support as the node to steel mesh frame structure segmentation, can realize effectively segmenting steel mesh frame structure fast, and then can effectively improve steel mesh frame structure's hoist and mount efficiency, do not receive the place restriction when steel mesh frame structure hoist and mount, in order to guarantee the hoist and mount safety of whole steel mesh frame structure.
Providing a transparent PTFE composite film, and covering and bonding the transparent PTFE composite film on the surface of the steel structure net frame;
Finally, a transparent PTFE composite film is covered and bonded, and the welding wire is welded after being baked in advance and heat-insulating treatment during welding connection, so that the moisture mixed in the ambient air during the welding process is reduced to enter a weld scar, the welding quality is improved, the structural strength and the bearing capacity of the steel structure net frame are ensured, and the PTFE composite film is a composite material formed by uniformly smearing polytetrafluoroethylene resin on the upper surface and the lower surface of a glass fiber base cloth, has the characteristics of high strength, good durability, fire resistance, flame retardance, good self-cleaning performance, no influence of ultraviolet light and the like, has high light transmittance, the light transmittance is 13 percent, and the light transmitted through the film material is natural diffuse reflection light, does not generate shadow and also cannot generate glare; the reflectivity of the solar energy is 73%, so that the heat is less absorbed, the interior of the building is not greatly influenced even under the condition of sun exposure in summer, the appearance of the building is more attractive, and people in the building are more cool and comfortable.
The steel net frame section comprises a top net frame and a bottom net frame, the top net frame is arranged above the bottom net frame, the top layer is connected with the bottom net frame through web members, the steel net frame section at least comprises four chord balls and chord members, the chord balls in the top net frame are upper chord balls, the chord members in the top net frame are upper chord members, the chord balls in the bottom net frame are lower chord balls, and the chord members in the bottom net frame are lower chord members;
the bottom of the bottom net rack is supported with the cylindrical support along the length direction thereof.
During the actual installation, all install four web members on every last string ball, the lower extreme of all web members in the first steel mesh frame section all with corresponding lower string ball interconnect, in other steel mesh frame sections, except being located steel mesh frame section front side and being used for the web member of being connected with preceding steel mesh frame section, the lower extreme of other web members all with corresponding lower string ball interconnect, during the installation of last chord member, the fastening bolt between last chord member and the last string ball is screwed up with the fastening bolt between web member and the lower string ball in step, avoid leading to the fastening bolt card to die because of individual member atress is too big.
As shown in fig. 2, more specifically, the assembly process of the steel mesh frame section includes the following steps:
the assembly process of the steel mesh frame section comprises the following steps:
building a keel three-dimensional design model according to a construction drawing, extracting an assembly structure of the keel three-dimensional design model, and recording IFC attribute information of the assembly structure;
marking the type and the function of each assembly structure according to the keel construction specification, and classifying the assembly structures according to the construction drawing to obtain the classification result of the assembly structures;
Mapping the classification result to a BIM model, establishing a keel construction BIM model, and performing field installation on the steel mesh frame section according to the keel construction BIM model;
The steel mesh frame section comprises the following steps when being installed on site:
step a: and (3) assembling a lower chord member: assembling a plurality of lower chords in an assembly site to form lower-layer net rack sections in the steel net rack, wherein two adjacent lower chords are connected through a lower chord ball;
step b: web member assembly: when the web members in the steel mesh frame section are assembled, firstly, four web members are arranged on each upper chord ball in the steel mesh frame section, so that the upper chord ball and the four web members corresponding to the upper chord ball form a four-corner cone, and then the web members of each four-corner cone are respectively connected to the corresponding lower chord balls in the assembled lower mesh frame section;
Step c: and (3) assembling an upper chord member: assembling a plurality of upper chords in the steel mesh frame segment, wherein the upper chords are connected between two adjacent upper chords;
step d: comparing the field installation structure with the keel construction BIM model, and if the field installation structure is different from the keel construction BIM model, adjusting the field installation structure according to the keel construction BIM model;
step e: repeating steps a to e a plurality of times until all the steel mesh frame segments are assembled.
And hanging the IFC attribute information of the keel three-dimensional design model obtained through statistical display on a BIM model, carrying out matching association, carrying out linkage display by combining the BIM model, selecting corresponding components in the BIM model, and obtaining corresponding visual information such as chart data. In order to better utilize the associated BIM model, in the preferred embodiment of the invention, after the IFC attribute information is matched and associated with the BIM model, engineering simulation and information monitoring, such as engineering progress simulation and information monitoring, can be further performed based on the matched and associated BIM model, real-time control of project construction conditions can be achieved, and monitoring, control and adjustment of safety, progress and the like by project management personnel are facilitated. The whole building, the progress and progress play of unit engineering, safety monitoring and the like can be embodied through the BIM model and the change of the color, display/concealment of the BIM model components.
After BIM modeling is carried out firstly, then all steel mesh frame segments are assembled in actual operation on the ground, construction operation is convenient, the assembly quality and assembly efficiency of the steel mesh frame segments can be effectively improved, and the overall assembly quality of the steel mesh frame structure is improved conveniently; meanwhile, the overhead working time of the steel mesh frame structure during hoisting can be effectively shortened, and the safety risk is low.
Mapping the classification result to a BIM model, and building a keel construction BIM model, wherein the method specifically comprises the following steps of:
step 31: determining a coding system of the keel three-dimensional design model, and coding the keel three-dimensional design model by adopting a multi-level code;
Step 32: determining a custom mapping relation between the multi-level codes and IFC attribute information of the keel three-dimensional design model according to a formulated coding system;
Step 33: based on the self-defined mapping relation, IFC attributes of the keel three-dimensional design model are processed, BIM structure codes are generated, and a keel construction BIM model consistent with a construction drawing is established.
Wherein the coding system is a combination of an overall classification code and a component classification code; the integral classification codes sequentially comprise construction drawing engineering information codes, construction method codes, keel type codes and keel function classification codes of 4 levels, and each level of codes is represented by a number of 1 character; the component position codes sequentially comprise construction drawing construction punctuation codes, installation position classification codes and installation section division codes of 3 levels, wherein the construction drawing construction punctuation codes are represented by numbers with 1 character, and the installation position classification codes and the installation section division codes are represented by numbers with 2 characters; the component classification codes sequentially comprise a construction drawing keel component code, a keel installation grade code, a keel structure type code, a keel component classification code and a keel subclass classification code 5-level code, wherein the construction drawing keel component code, the keel installation grade code, the keel structure type code and the keel subclass classification code are all represented by numbers with 1 character except for the number representation of 2 characters.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention, and are intended to be included within the scope of the appended claims and description.
Claims (1)
1. The construction method of the steel mesh frame structure building roof is characterized by comprising the following steps of:
The method comprises the steps that a keel group and a cylindrical support are arranged on a pre-built building, the keel group comprises transverse keels which are uniformly paved in parallel with the width direction of the building and longitudinal keels which are uniformly paved in parallel with the length direction of the building, the cylindrical support is arranged at the intersection point of the longitudinal keels and the transverse keels, and the cylindrical support is perpendicular to the intersection point of the longitudinal keels and the transverse keels;
segmenting a steel mesh frame structure according to the cylindrical support as a node to form a steel mesh frame section, wherein the stress result of any steel mesh frame section meets the single hoisting requirement;
hoisting the steel net frame sections through a lifting appliance, so that four corners of the steel net frame sections are abutted with corners of adjacent steel net frame sections;
after the steel net frame sections are welded into a whole, the construction of the steel net frame structure is completed;
providing a transparent PTFE composite film, and covering and bonding the transparent PTFE composite film on the surface of the steel mesh frame structure;
the steel net frame section comprises a top net frame and a bottom net frame, the top net frame is arranged above the bottom net frame, the top layer is connected with the bottom net frame through web members, the steel net frame section at least comprises four chord balls and chord members, the chord balls in the top net frame are upper chord balls, the chord members in the top net frame are upper chord members, the chord balls in the bottom net frame are lower chord balls, and the chord members in the bottom net frame are lower chord members;
The upper chord balls are uniformly distributed right above each rectangular unit grid in the bottom layer net rack, the web members are connected between each upper chord ball and four lower chord balls in the rectangular unit grids right below the upper chord balls, and the cylindrical support is supported at the bottom of the bottom layer net rack along the length direction of the bottom layer net rack;
the assembly process of the steel mesh frame section comprises the following steps:
building a keel three-dimensional design model according to a construction drawing, extracting an assembly structure of the keel three-dimensional design model, and recording IFC attribute information of the assembly structure;
marking the type and the function of each assembly structure according to the keel construction specification, and classifying the assembly structures according to the construction drawing to obtain the classification result of the assembly structures;
Mapping the classification result to a BIM model, establishing a keel construction BIM model, and performing field installation on the steel mesh frame section according to the keel construction BIM model;
The steel mesh frame section comprises the following steps when being installed on site:
step a: and (3) assembling a lower chord member: assembling a plurality of lower chords in an assembly site to form lower-layer net rack sections in the steel net rack, wherein two adjacent lower chords are connected through a lower chord ball;
step b: web member assembly: when the web members in the steel mesh frame section are assembled, firstly, four web members are arranged on each upper chord ball in the steel mesh frame section, so that the upper chord ball and the four web members corresponding to the upper chord ball form a four-corner cone, and then the web members of each four-corner cone are respectively connected to the corresponding lower chord balls in the assembled lower mesh frame section;
Step c: and (3) assembling an upper chord member: assembling a plurality of upper chords in the steel mesh frame segment, wherein the upper chords are connected between two adjacent upper chords;
step d: comparing the field installation structure with the keel construction BIM model, and if the field installation structure is different from the keel construction BIM model, adjusting the field installation structure according to the keel construction BIM model;
step e: repeating steps a to e for a plurality of times until the assembly of all the steel net frame sections is completed;
Mapping the classification result to a BIM model, and building a keel construction BIM model, wherein the method specifically comprises the following steps of:
step 31: determining a coding system of the keel three-dimensional design model, and coding the keel three-dimensional design model by adopting a multi-level code;
Step 32: determining a custom mapping relation between the multi-level codes and IFC attribute information of the keel three-dimensional design model according to a formulated coding system;
Step 33: based on the self-defined mapping relation, IFC attributes of the keel three-dimensional design model are processed, BIM structure codes are generated, and a keel construction BIM model consistent with a construction drawing is established.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311366189.1A CN117364922B (en) | 2023-10-20 | 2023-10-20 | Construction method for building roof with steel mesh frame structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311366189.1A CN117364922B (en) | 2023-10-20 | 2023-10-20 | Construction method for building roof with steel mesh frame structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117364922A CN117364922A (en) | 2024-01-09 |
| CN117364922B true CN117364922B (en) | 2024-06-18 |
Family
ID=89396093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311366189.1A Active CN117364922B (en) | 2023-10-20 | 2023-10-20 | Construction method for building roof with steel mesh frame structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117364922B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109184213A (en) * | 2018-10-31 | 2019-01-11 | 青岛建集团有限公司 | Steel grid construction technique based on BIM setting-out and 3-D scanning |
| CN110485737A (en) * | 2019-08-20 | 2019-11-22 | 青岛一建集团有限公司 | A kind of Elements of Space Grid Truss location and installation construction method based on BIM technology |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112267568B (en) * | 2020-11-06 | 2022-05-17 | 中铁二十局集团市政工程有限公司 | Steel truss structure sectional hoisting construction method |
| CN115795931A (en) * | 2022-09-30 | 2023-03-14 | 中交一公局第七工程有限公司 | Construction method for integral hoisting of large-span spatial steel net rack by finite element analysis and BIM technology |
-
2023
- 2023-10-20 CN CN202311366189.1A patent/CN117364922B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109184213A (en) * | 2018-10-31 | 2019-01-11 | 青岛建集团有限公司 | Steel grid construction technique based on BIM setting-out and 3-D scanning |
| CN110485737A (en) * | 2019-08-20 | 2019-11-22 | 青岛一建集团有限公司 | A kind of Elements of Space Grid Truss location and installation construction method based on BIM technology |
Also Published As
| Publication number | Publication date |
|---|---|
| CN117364922A (en) | 2024-01-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Hu et al. | Buildings with ETFE foils: A review on material properties, architectural performance and structural behavior | |
| Lamnatou et al. | Ethylene tetrafluoroethylene (ETFE) material: Critical issues and applications with emphasis on buildings | |
| Irwin | Wind engineering challenges of the new generation of super-tall buildings | |
| CN112036061B (en) | Finite element modeling and dynamic response analysis method for omnibearing long and short leg tower line system | |
| Kormaníková et al. | Parametric wind design | |
| CN106934155A (en) | A kind of cable-truss structure looks for shape method | |
| Solari | Wind loading of structures: Framework, phenomena, tools and codification | |
| Pantua et al. | A fluid-structure interaction (FSI) and energy generation modelling for roof mounted renewable energy installations in buildings for extreme weather and typhoon resilience | |
| CN117364922B (en) | Construction method for building roof with steel mesh frame structure | |
| Waaijenberg et al. | The solar greenhouse: A highly insulated greenhouse design with an inflated roof system with PVDF or ETFE membranes | |
| CN113389277A (en) | Roof construction method for building with double-layer steel structure grid composite membrane structure | |
| Shaviv | 371: Passive and Low Energy Architecture (PLEA) VS Green Architecture (LEED) | |
| Pishkar et al. | Effect of wind speed on the drag force and wall shear stress of domes in historical mosques of Iran: a case study | |
| Monjo-Carrió et al. | The use of textile materials for architectural membranes | |
| Knebel et al. | The structural making of the Eden Domes | |
| Llorens Duran | TensiNantes 2023 report | |
| Shmelev et al. | Influence of wind load on connection system of temporary towers | |
| Nunes | Qualitative investigation of the performance of a structural membrane roof project. | |
| CN219992906U (en) | Natural lighting and sunshade balanced ceiling in history building update | |
| Anandh et al. | Energy-efficient educational building design based on green building concept and its stability analysis | |
| Goodman | REPURPOSED WHOLE WIND BLADES with PV Building Structure Studies. | |
| Tokbolat et al. | CFD investigation of the effect of building passive design strategy on energy efficiency and wind comfort in extreme weather conditions in Astana, Kazakhstan | |
| Ma et al. | Digital Aided Façade Design Introduced in A Traditional Design Workflow | |
| Ayead et al. | Technologies Of Sustainability in Large Banks Buildings | |
| Qilin | Recent developments in architectural fabric structures in China |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant |