CN113158295A - Construction method applied to formwork support frame based on BIM formwork self-assembly technology - Google Patents
Construction method applied to formwork support frame based on BIM formwork self-assembly technology Download PDFInfo
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- 238000005516 engineering process Methods 0.000 title claims abstract description 38
- 238000001338 self-assembly Methods 0.000 title claims abstract description 15
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 39
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Abstract
The invention discloses a construction method applied to a formwork support frame body based on a BIM formwork self-assembly technology, which comprises the following steps: s1, building a BIM model; s2, outputting the automatic safety calculation book; s3, optimizing the BIM model; s4, outputting the construction drawing by one key; s5, accurately calculating the quantity and generating a die matching list; s6, centralized processing and template numbering; s7, positioning and paying off; s8, erecting a full hall frame; s9, hoisting the template; s10, installing vertical component steel bars and supporting a template; s11, pouring concrete of the vertical component; s12, checking and accepting the full shelf; s13, mounting the beam plate template; s14, binding beam steel bars; s15, checking and accepting; s16, casting the horizontal component; s17, curing the concrete; and S18, removing the template. The method utilizes BIM software to establish a BIM model of the template support frame body in combination with relevant specifications, performs mechanical calculation on the template support frame body, outputs a plane graph, a large sample graph, a steel pipe and template material quantity which are erected on the template support frame body, compiles a perfect template engineering planning scheme according to the plane graph and the large sample graph, and improves the management level and the construction quality of the template engineering.
Description
Technical Field
The invention belongs to the technical field of constructional engineering, and particularly relates to a construction method applied to a formwork support frame based on a BIM formwork self-assembly technology.
Background
The formwork support frame body system is an important composition step for completing construction projects, the frame body structure is arranged in an electronic drawing mode in most of the current projects, and early calculation is carried out on the frame body structure, so that the overall stability and safety of the frame body are ensured. The method has the defect that no visual model is used for reference before construction. The constructor can also cause the relevant data deviation due to insufficient experience or calculation errors in the process of compiling the corresponding technical scheme. If the design is improper, the potential safety hazard or the waste of materials is easily caused, thereby causing the rising of construction cost.
BIM technology is receiving industry attention due to its characteristics of visualization, coordination, simulation, optimization, charting, etc. Based on the BIM technology, the building of the structural model is carried out at the beginning of the design of the scaffold body, the structural analysis is carried out through the scaffold design software of the scaffold in the BIM technology, and the related bill of materials of the three-dimensional model of the scaffold system is quickly generated. The method is convenient and quick, ensures the overall safety of the template scaffold system and improves the on-site construction efficiency.
In the prior art, BIM has been applied to formwork support, for example, an invention patent (CN110206293A) applied by seventeen-seven-metallurgy group limited in china discloses a construction method of a formwork support system based on the BIM technology, a professional model and a process model of the formwork support system are created by using the BIM technology, and a special scheme, a construction drawing and a calculation book of the formwork support system based on the BIM are generated through the whole construction process of a virtual formwork support system, and the construction on site is guided in a refined manner, so that safety risk is effectively avoided. In addition, an invention patent (CN108252519A) applied by the fourth engineering ltd of the eight offices of medium and iron community discloses a construction method of a building engineering template construction process template based on BIM, which comprises the following steps: s1: determining a primary construction scheme of the main structure process template according to the structure construction drawing and the standard; s2: establishing a main structure process template model by utilizing BIM software according to the initial construction scheme, and then giving information to the component; s3: carrying out visual design on a main structure template supporting scheme in a BIM model; s4: performing collision inspection on reinforcing measures of the internal and external corners of the wall and the column, preparing before construction, and accurately guiding construction; s5: and (5) template engineering template construction. According to the scheme, a project template engineering process template is modeled by using a BIM technology, a template supporting design scheme and a node detailed diagram are determined, and the bottom crossing efficiency and accuracy of the engineering technology are improved.
However, in large-scale engineering, when designing a formwork support frame, it is still difficult to avoid the need of performing complex operations such as stress calculation, formwork matching design, statistics and optimization of the use amounts of different types of formworks, steel pipes and fasteners, and the like, and it is difficult to perform centralized fine matching construction.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a construction method applied to a formwork support frame body based on a BIM formwork self-assembly technology; the BIM software is combined with relevant specifications to establish a BIM model of the template support frame body, mechanical calculation is carried out on the template support frame body, a plan view, a big sample view, steel pipes and template material quantity are output from the template support frame body, a perfect template engineering planning scheme is compiled according to the plan view, and the management level and the construction quality of the template engineering are improved.
The invention utilizes BIM technology to pre-simulate the construction difficulty of the template engineering, carries out regional dynamic simulation on the template supporting process and the dangerous source, and repeatedly analyzes and verifies the feasibility and the rationality of the construction scheme, thereby dynamically optimizing and adjusting the original erection scheme so as to improve the erection precision of the template support frame body and the safety of the construction scheme. And the simulation result is used for technically interacting management personnel and workers, so that the management personnel and the workers can clearly know the building sequence of the formwork support frame body and the feasibility of constructing a complex area, and the construction efficiency and the construction safety are improved.
The invention is realized by the following steps:
a construction method applied to a formwork support frame based on a BIM formwork self-assembly technology comprises the following steps: s1, building a BIM model; s2, outputting the automatic safety calculation book; s3, optimizing the BIM model; s4, outputting the construction drawing by one key; s5, accurately calculating the quantity and generating a die matching list; s6, centralized processing and template numbering; s7, positioning and paying off; s8, erecting a full hall frame; s9, hoisting the template; s10, installing vertical component steel bars and supporting a template; s11, pouring concrete of the vertical component; s12, checking and accepting the full shelf; s13, mounting the beam plate template; s14, binding beam steel bars; s15, checking and accepting; s16, casting the horizontal component; s17, curing the concrete; and S18, removing the template.
The BIM model is created by utilizing BIM software to establish a BIM model of a template support frame structure in combination with relevant specifications and design drawings; based on the characteristics of three-dimensional visualization, fast modeling, multiple applicable supports and component types and automatic identification of tall and big templates of software, the method carries out one-key fast template matching on the layout scheme of the components such as the templates, the upright rods, the cross braces, the wall attaching rods, the fasteners and the like; carrying out mechanical calculation on the template engineering, and compiling a template engineering planning scheme according to the mechanical calculation; meanwhile, the construction progress is integrally controlled through a BIM technical platform; the structure of the area to be constructed is displayed in a three-dimensional mode through a BIM technology, and the erection of a site template support frame body is guided through a three-dimensional template matching effect; combining the three-dimensional model with the construction progress; and simulating construction content, and preprocessing problems possibly occurring in the construction process.
Further, the automatic safety calculation book output is to select the type of the formwork support frame by setting the engineering parameters and the constraint conditions, that is, to input various parameters, automatically perform safety calculation in software, determine the safety requirements of the formwork support frame design and the material specifications including steel pipes, formworks and square timbers, and select the materials suitable for the engineering.
Further, the BIM model optimization is to pre-simulate the formwork support frame process and the hazard source by using the BIM technology according to the site construction progress, analyze and verify the feasibility and the rationality of the construction scheme of the formwork support frame, perform the overall intelligent optimization design, and perform repeated checking calculation on the parts with high risk or the key parts.
Further, the construction drawing one-key output is an optimized construction scheme of the formwork support frame, and a plan view and a big sample drawing built on the formwork support frame are output by using a BIM technology.
Furthermore, the accurate calculation and the generation of the matching form are performed by using the BIM template support frame software to accurately calculate the template material and the fitting, and derive a processing material table, a matching diagram or a matching form including the template, the steel pipe, the square timber and the fastener.
Furthermore, two steel wire ropes with movable buckles are prepared in advance according to a BIM three-dimensional drawing, the template is bound and lifted symmetrically by two points, one end of each steel wire rope is firstly and safely buckled at the lifting hook position of a crane, then one end with the movable buckles firmly ties the template, the crane slowly lifts, and after the left side and the right side of the template are basically balanced, the swinging performance of the template is controlled by a hemp rope guiding direction method.
Furthermore, the beam reinforcement is graded according to the distance between stirrups, the first stirrup at the beam end is arranged 50mm away from the edge of the column node, the stirrups at the intersection of the primary beam and the secondary beam are encrypted, and the distance and the length of the encrypted area meet the design requirements; the distance between the stirrups attached to the main beam at the joint of the main beam and the secondary beam is 50mm, and stirrup grading lines are drawn on the supported beam bottom template according to the distance; and the longitudinal bars are penetrated to place the longitudinal stressed steel bars and the erection bars at the lower part of the main beam and connect the main bars.
Furthermore, the size of the template during blanking needs to be accurate when the horizontal component is poured, the construction sequence of the vertical structure and the horizontal structure is followed when the concrete is poured, and the pouring equipment meets the requirement of continuous pouring of the concrete.
The construction method is suitable for various building projects, mainly template centralized template matching construction with the same unit in reinforced concrete structures such as public buildings, residential buildings and the like, and particularly centralized refined template matching construction in wood template projects.
Compared with the prior art, the invention adopts BIM technology formwork support frame body design software, and can complete the functions of stress calculation, formwork matching design, statistics and optimization of the use amount of formworks, steel pipes and fasteners of different types and the like in one key after the corresponding formwork scaffold parameter setting is completed in the software, thereby ensuring that the construction safety is ensured, and through the practice of a plurality of projects, the construction quality reaches the excellent standard, and the construction cost is greatly reduced.
The method is based on the characteristics of BIM visualization, coordination, simulation, optimization, charting and the like. And establishing a building model according to the related information data to generate a three-dimensional simulation model with the real information of the building. The invention utilizes BIM technology to simulate the process of the formwork support frame body and a hazard source, and dynamically optimizes and adjusts the original erection scheme so as to improve the accuracy of formwork erection and the safety of the construction scheme. The invention clearly shows the potential safety hazard of the template scaffold in the three-dimensional model. The pertinence of field safety management is enhanced, the management strength of the counterweight part is enhanced, and the safety risk in the construction process is reduced.
Moreover, the invention utilizes BIM technology to carry out accurate calculation, reasonably arranges the approach plans of people, materials and machines, ensures the full allocation and efficient turnover of all resources, and improves the fine management level of engineering projects and the management and control capability of material cost. The invention improves the working efficiency of template design optimization by means of BIM software. The invention adopts BIM technology to reduce the dimension error of the die matching, avoids material waste and promotes the level of green construction of projects. The invention utilizes the three-dimensional model to carry out intersection guidance on site construction and acceptance for construction operators, thereby improving the fine management level of projects.
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.
Example 1:
1.1 construction Process
The construction method comprises the steps of BIM model creation → automatic safe calculation book output → BIM model optimization → construction drawing one-key output → accurate calculation amount and generation of a template matching list → centralized processing and template numbering → positioning and paying-off → erection of a full-size frame → template hoisting → vertical member steel bar installation and template support → vertical member concrete pouring → full-size frame inspection acceptance → beam and plate template installation → beam steel bar binding → inspection acceptance → horizontal member pouring → concrete maintenance → template dismantling.
1.2 operating points
1.2.1BIM model creation
And building a BIM model of the template support frame structure by using BIM software in combination with relevant specifications and design drawings. Based on the characteristics of three-dimensional visualization, fast modeling, multiple applicable supports and component types, automatic identification of tall and big templates and the like, the software is used for carrying out one-key fast template matching on the layout scheme of the components such as the templates, the vertical rods, the cross braces, the wall attaching rods, the fasteners and the like. And carrying out mechanical calculation on the template engineering, compiling a template engineering plan scheme according to the mechanical calculation, and improving the management level and the construction quality of the template engineering.
The construction progress is integrally controlled through the BIM technical platform, the site construction progress and the material consumption condition are comprehensively and dynamically mastered, and site materials are reasonably arranged to ensure that the target of the site construction period can be realized.
The structure of the area to be constructed is displayed in a three-dimensional mode through the BIM technology, the erection of the on-site template supporting frame body is guided through the three-dimensional template matching effect, and the process of erecting the whole frame body can be visually known. The detailed diagram of the site difficult and important points is displayed, so that operators can know the setting details more visually, and the requirements of site construction according to a scheme and safety and stability are met.
And combining the three-dimensional model with the construction progress. And simulating construction content, and preprocessing problems possibly occurring in the construction process.
1.2.2 automatic secure Books output
The template support frame body is selected by setting engineering parameters and constraint conditions, namely, various parameters are input, safety calculation is automatically carried out in software, the safety requirements of the template support frame body design and the specifications of materials such as steel pipes, templates, square timbers and the like are determined, and materials suitable for the engineering are selected.
1.2.3BIM model optimization
The method comprises the steps of pre-simulating a formwork support frame process and a danger source by utilizing a BIM technology according to the site construction progress, analyzing and verifying the feasibility and the rationality of a formwork support frame construction scheme, carrying out overall intelligent optimization design, carrying out repeated checking calculation on parts with high dangerousness or key parts, solving the problem caused by unreasonable erection, ensuring the safety and the reliability of a structure, in-place construction measures and the like, and improving the accuracy of formwork erection and the safety of the construction scheme.
The optimized template support frame body has high turnover, is convenient to operate, check and accept, has economic and reasonable manufacturing cost, and effectively improves the economic benefit of engineering.
1.2.4 construction drawing one-key output
And outputting a plan view and a large-scale drawing which are erected on the formwork support body by utilizing the BIM technology according to the optimized construction scheme of the formwork support body.
And performing technical interaction on management personnel and workers according to the simulation result, so that the management personnel and the workers can clearly know the building sequence of the template system and the feasibility of constructing a complex area, and the construction efficiency and the construction safety are improved.
1.2.5 accurate calculation and generation of die matching sheet
And (3) using BIM template support frame body software to accurately calculate the template material and accessories and derive processing material tables and template matching diagrams (lists) of the templates, steel pipes, square timbers, fasteners and the like. Accurate data support is provided for material purchasing and quota receiving, so that reasonable arrangement of material, machinery and labor entrance planning and subpackage expense planning is performed, full allocation and efficient turnover of all resources are guaranteed, the fine management level of a project and the management and control capability of project cost are improved, and reliable basis is provided for project budget, process improvement and settlement decision.
1.2.6 centralized processing and template numbering
And carrying out centralized processing, uniform numbering, stacking according to unit codes and template quality acceptance on the beam plate column wall node templates according to the processing size and the number of the generated template matching lists.
1.2.7 positioning pay-off
And guiding field measurement lofting construction according to the optimized drawing, so that the position of the actual template support frame body is highly unified with the optimized three-dimensional drawing.
1.2.8 erecting formwork support frame
And carrying out on-site frame erection according to the template support frame erection plan, the big sample drawing and the corresponding technical background content.
1.2.9 template handling
According to the BIM three-dimensional graph, two steel wire ropes (with movable buckles) are prepared in advance, the template is bound and lifted symmetrically by two points, one end of each steel wire rope is firstly and safely buckled at the lifting hook position of a crane, then one end of each steel wire rope with the movable buckles firmly ties the template, the crane is slowly lifted, after the left side and the right side of the template are basically balanced, the swinging performance of the template is controlled by a hemp rope pulling direction guiding method, and in addition, the crane driver and a commander need to be matched well all the time.
1.2.10 vertical member steel bar installation and formwork support
And (4) well supporting the frame body on site according to a plane graph and a big sample graph which are built on the template supporting frame body and corresponding technical background content.
1.2.11 vertical Member concrete pour
When the column and the wall are poured, a pump truck is adopted to convey concrete to each part on site, the concrete pump must be ensured to work continuously when the concrete is pumped, if the concrete fails, the down time exceeds 45 minutes or the concrete is isolated, and the residual concrete in the pipe is flushed by pressure water or other methods.
1.2.12 inspection and acceptance of formwork support frame
After the formwork support frame body is erected, the strength, the bearing capacity, the stability and the safety of the support are checked.
1.2.13 Beam-slab formwork installation
The sizes and intervals of the beams, the keel of the plate formwork and the support columns are implemented according to the scheme, so that the formwork support system has enough strength and rigidity, and the deformation of the formwork during concrete pouring is prevented. The bottom of the formwork support is supported on the solid ground, a long scaffold board is filled in the formwork support to prevent the support from sinking, and the beam and board formworks are arched according to the design requirement to prevent the deflection from being too large. The upper opening of the beam template is locked by a pull rod to prevent the upper opening from deforming.
1.2.14 binding beam steel bar
And (3) grading the distance between stirrups, arranging the first stirrup at the beam end at a position 50mm away from the edge of the column node, and encrypting the stirrups at the intersection of the primary beam and the secondary beam, wherein the distance between the stirrups and the length of an encryption area meet the design requirement. And (3) drawing a stirrup grading line on the supported beam bottom template according to the distance of 50mm between the additional stirrups of the main beam and the secondary beam at the joint of the main beam and the secondary beam. And the longitudinal bars are penetrated to place the longitudinal stressed steel bars and the erection bars at the lower part of the main beam and connect the main bars.
1.2.15 inspection and acceptance
And checking and accepting the arch camber height of the template, the allowable deviation/central line position of the reserved hole, the allowable deviation of template installation/upper surface elevation of the bottom die, the allowable deviation of template installation/internal dimension of a section, the allowable deviation of template installation/height difference of adjacent surfaces of the die, the allowable deviation of beam/template installation/surface flatness and the like.
1.2.16 horizontal member casting
The size of the template needs to be accurate when the template is discharged, the construction sequence of the vertical structure and the horizontal structure is still followed when the concrete is poured, and the pouring equipment meets the requirement of continuous pouring of the concrete. When concrete is poured, the concrete mixing plant is well communicated with the mixing plant in advance, the timely supply of the concrete is ensured, and cold cracks caused by overlong waiting time are avoided.
1.2.17 concrete curing
And after the concrete is poured, maintaining according to the standard and design requirements.
1.2.18 form removal
The side mould can be disassembled when the edges and corners on the concrete surface of the side mould are not damaged, the concrete demolding strength of the beam and the plate bottom mould is 75% of the design strength, and the demolding strength of the girder bottom mould with the span of more than 8m, the plate bottom mould with the span of more than 4m and the cantilever member bottom mould is 100% of the design strength. The form removal must be able to be removed after approval by the application program. The mould removing procedure is that the mould is removed first after the mould is removed, the non-bearing part is removed first, and then the bearing part is removed. When the lower support of the beam is dismantled, the lower support of the beam is firstly dismantled from the midspan to the two ends respectively. The form is disassembled without over-violent and over-urgent force, the disassembled turnover material is timely transported away and cleaned, and a sledge hammer and a crowbar are strictly forbidden to smash a hard pry during the form disassembly.
1.3 construction considerations
When the full formwork support is erected, the safety of the frame body is ensured according to the erection structure requirement of the formwork support and the erection requirement in the construction scheme strictly.
(1) The vertical and horizontal spacing of the beam and the upright post of the plate should be equal or multiple.
(2) The bottom of the steel pipe vertical rod is provided with a skid and a base, the top of the steel pipe vertical rod is provided with an adjustable support, a gap exists between the U-shaped support and two sides of the corrugated beam, the U-shaped support and the two sides of the corrugated beam must be tightly propped, a screw rod of the U-shaped support extends out of the top of the steel pipe and cannot be larger than 200mm, the gap between the outer diameter of the screw rod and the inner diameter of the steel pipe of the upright column cannot be larger than 3mm, and the vertical concentricity is guaranteed during installation.
(3) A floor sweeping rod is arranged at the height of the bottom of the upright column, which is 200mm away from the ground, along the vertical and horizontal directions according to the vertical and horizontal programs. A horizontal pull rod is arranged on the top end of the upright column at the bottom of the adjustable support along the longitudinal direction and the transverse direction. The distance between the floor sweeping rod and the top horizontal pull rod is evenly distributed to determine the step pitch under the condition of meeting the step pitch requirement of the horizontal pull rod determined by the template design, and then one horizontal pull rod is respectively arranged at each step pitch in the longitudinal and transverse directions.
(4) The floor sweeping rod, the horizontal pull rod and the shear brace of the steel tube stand column should adopt
The steel pipe is firmly buckled with the steel pipe upright post by a fastener. The steel pipe floor sweeping rod and the horizontal pull rod are in butt joint, the cross braces are in lap joint, the lap joint length is not less than 500mm, and 2 rotating fasteners are adopted to be respectively arranged on the cross bracesAnd fixing the position which is not less than 100mm away from the end of the rod.
(5) The construction requirement of the high and large template engineering construction should meet the requirements of the relevant technical specification, and the support system upright posts are lengthened and are strictly forbidden to be lapped; the floor sweeping rod, the vertical and horizontal supports and the horizontal and vertical cross supports are arranged and are firmly connected with the wall and the column of the main structure in a pulling way.
(6) The support frame body with the height of more than 2m is erected to set up the ascending measures of the operating personnel. The working face should be provided with safety protection facilities according to relevant regulations.
(7) The template supporting system is an independent system and is forbidden to be connected with a steel structure frame body of hoisting equipment such as a material hoister, a construction elevator, a tower crane and the like and attached facilities thereof; the connection with construction scaffolds, material transfer platforms and other support bodies is forbidden.
(8) In the installation process of the keel, the accurate positioning of each keel and the accurate and correct bottom elevation and top elevation of the keel are ensured.
(9) The construction safety should be paid attention to in the process of installing the template, and the positioning and the abutted seam of the template must meet the relevant standards.
1.4 engineering examples
1.4.1 reforming project of urban canopy area in Bijiang area 2019 Lusike rock burst area (urban village)
In the Bijiang district 2019, a common diurnal rock burst district (village in town) in city shed house district reconstruction project EPC general contract project is positioned on the golden scale big road and the big river plateau road in the Bijiang district in the copper kernel city, and the era sky street is opposite.
The building area is 373110.0 square meters, wherein the building area on the ground is 281800 square meters (containing 273909.6 square meters of houses, 7740.4 square meters of commercial rooms and 150 square meters of supporting service rooms), the building area on the ground is 91310 square meters (being a garage), and the building area is 17 high-rise buildings in total and supporting infrastructure and the like.
1.4.2 blend wound, Yulu Changlin project
The construction site of the long forest of the Rongchuang and Yunfu: black stone village in north two rings of the white cloud area of Guiyang city. The area of the project building; about 238980 squares. Wherein the high-rise building is as follows: 159567 square. Commercial area: about 7227 square. A ground bank: about 67453 squares. Other components are matched: about 4733 squares. The highest floor is 26 layers and 79.7m, the lowest floor is 12 m, and the building using function is a living building mixed public building. Wherein the building height of A14A # building (office) is 78.6m, and the building area is 9983.97 square meters. And constructing 20 high-rise buildings in total, matched infrastructure and the like.
11.3 Siyuan xi Gu engineering
Siyuan river valley engineering construction site: flower stream district in Guiyang city. The project building area is about 86725.91 squares. The ground building area is about: 58864.04 square. The underground building area is about 27861.87 squares. The highest floor number of the building of the 9# to 27# building is 32F; 4 floors of underground part, 32 floors on 19# floor and 29 floors on 20# floor; (ii) a 29 floors above 21# floor; the highest height of the minus one floor of the 19# to 21# building basement is 5.4m, the height of the minus two floors is 4.5m, the height of the minus three floors and the height of the minus four floors are 4.2 m, and the height of the minus 4 floors is the civil air defense basement. Building height on 19# floor is 98.8m, building height on 20# floor is 92.2m, building height on 21# floor is 89.7 m; the project is a comprehensive residential building integrating an underground garage, an overground commercial service network and a house, and the building structure is a frame-shear wall structure.
The method greatly improves the accuracy and the safety of the template support frame body, saves materials and improves the economic efficiency; the construction quality and the construction progress are greatly improved through strict management of BIM modeling technology application; compared with the traditional mode, the construction safety is better guaranteed, the construction quality reaches the excellent standard, and the construction cost is greatly reduced.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. A construction method for a formwork support frame based on BIM formwork self-assembly technology is characterized by comprising the following steps: s1, building a BIM model; s2, outputting the automatic safety calculation book; s3, optimizing the BIM model; s4, outputting the construction drawing by one key; s5, accurately calculating the quantity and generating a die matching list; s6, centralized processing and template numbering; s7, positioning and paying off; s8, erecting a full hall frame; s9, hoisting the template; s10, installing vertical component steel bars and supporting a template; s11, pouring concrete of the vertical component; s12, checking and accepting the full shelf; s13, mounting the beam plate template; s14, binding beam steel bars; s15, checking and accepting; s16, casting the horizontal component; s17, curing the concrete; and S18, removing the template.
2. The construction method for the formwork support frame based on the BIM formwork self-assembly technology of claim 1, wherein: the BIM model is created by utilizing BIM software to combine with relevant specifications and design drawings to establish a BIM model of the template support frame structure; based on the characteristics of three-dimensional visualization, fast modeling, multiple applicable supports and component types and automatic identification of tall and big templates of software, the method carries out one-key fast template matching on the layout scheme of the components such as the templates, the upright rods, the cross braces, the wall attaching rods, the fasteners and the like; carrying out mechanical calculation on the template engineering, and compiling a template engineering planning scheme according to the mechanical calculation; meanwhile, the construction progress is integrally controlled through a BIM technical platform; the structure of the area to be constructed is displayed in a three-dimensional mode through a BIM technology, and the erection of a site template support frame body is guided through a three-dimensional template matching effect; combining the three-dimensional model with the construction progress; and simulating construction content, and preprocessing problems possibly occurring in the construction process.
3. The construction method for the formwork support frame based on the BIM formwork self-assembly technology of claim 1, wherein: the automatic safety calculation book output is to select the type of the formwork support body by setting engineering parameters and constraint conditions, namely, to automatically perform safety calculation in software by inputting various parameters, determine the safety requirements of the formwork support body design and the material specifications including steel pipes, formworks and square timbers, and select materials suitable for the engineering.
4. The construction method for the formwork support frame based on the BIM formwork self-assembly technology of claim 1, wherein: the BIM model optimization is to utilize BIM technology to pre-simulate the formwork support frame process and the danger source according to the site construction progress, analyze and verify the feasibility and the rationality of the formwork support frame construction scheme, carry out overall intelligent optimization design and carry out repeated checking calculation on parts with high danger or key parts.
5. The construction method for the formwork support frame based on the BIM formwork self-assembly technology of claim 1, wherein: the construction drawing one-key output is the optimized construction scheme of the formwork support frame body, and a plan drawing and a large-scale drawing built on the formwork support frame body are output by utilizing the BIM technology.
6. The construction method for the formwork support frame based on the BIM formwork self-assembly technology of claim 1, wherein: the accurate calculation and the generation of the die matching list are realized by using BIM template support frame body software to accurately calculate the template material and accessories and derive a processing material table, a die matching diagram or a die matching list comprising templates, steel pipes, square timbers and fasteners.
7. The construction method for the formwork support frame based on the BIM formwork self-assembly technology of claim 1, wherein: the template hoisting is to prepare two steel wire ropes with movable buckles in advance according to a BIM three-dimensional graph, the template is bound and hoisted symmetrically by two points, one end of each steel wire rope is firstly and safely buckled at the lifting hook position of a crane, then one end with the movable buckles firmly ties the template, the crane slowly hoists, and after the left side and the right side of the template are basically balanced, the swinging performance of the template is controlled by a hemp rope guide direction pulling method.
8. The construction method for the formwork support frame based on the BIM formwork self-assembly technology of claim 1, wherein: the binding beam reinforcing steel bars are graded according to the distance between the stirrups, the first stirrup at the beam end is arranged 50mm away from the edge of the column node, the stirrups at the intersection of the primary beam and the secondary beam are encrypted, and the distance and the length of the encrypted area meet the design requirement; the distance between the stirrups attached to the main beam at the joint of the main beam and the secondary beam is 50mm, and stirrup grading lines are drawn on the supported beam bottom template according to the distance; and the longitudinal bars are penetrated to place the longitudinal stressed steel bars and the erection bars at the lower part of the main beam and connect the main bars.
9. The construction method for the formwork support frame based on the BIM formwork self-assembly technology of claim 1, wherein: the size of the template during blanking needs to be accurate when the horizontal member is poured, the construction sequence of the vertical structure and the horizontal structure is followed when the concrete is poured, and the pouring equipment meets the requirement of continuous pouring of the concrete.
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| CN113863656A (en) * | 2021-10-12 | 2021-12-31 | 华神建设集团有限公司 | Construction method of arc-shaped telescopic shear wall split screw type wood formwork |
| CN114991440A (en) * | 2021-10-26 | 2022-09-02 | 五冶集团上海有限公司 | Construction method of combined type supporting scaffold based on BIM |
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| CN114692277A (en) * | 2022-04-06 | 2022-07-01 | 南京工业大学 | BIM-based construction method for special-shaped beam wood-plastic combined template |
| CN114840894A (en) * | 2022-05-06 | 2022-08-02 | 中国十七冶集团有限公司 | BIM-based construction method for large-span post-tensioned bonded prestressed beam |
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| CN114722446A (en) * | 2022-06-09 | 2022-07-08 | 山东高速德建集团有限公司 | Template system vertical support modeling method based on DYNAMOO |
| CN114722446B (en) * | 2022-06-09 | 2022-08-16 | 山东高速德建集团有限公司 | Template system vertical support modeling method based on DYNAMOO |
| CN115048695A (en) * | 2022-06-13 | 2022-09-13 | 中建二局第三建筑工程有限公司 | Intelligent arrangement system and method for formwork support frames of house building engineering |
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