CN113202310B - Light-support attached formwork construction process - Google Patents
Light-support attached formwork construction process Download PDFInfo
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- CN113202310B CN113202310B CN202110491942.4A CN202110491942A CN113202310B CN 113202310 B CN113202310 B CN 113202310B CN 202110491942 A CN202110491942 A CN 202110491942A CN 113202310 B CN113202310 B CN 113202310B
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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
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- Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
Abstract
The invention relates to a construction process of a light support attached form, which specifically comprises the following steps: adding oblique rod pieces on the reinforcement cage, manufacturing a stiff reinforcement truss serving as reinforcement, and installing a template fixing piece and a concrete protection layer cushion block; processing an attached template; fixing the attached form on the stiff steel bar truss by a hanger/fixture/bolt; assembling the stiff steel bar truss into a steel structure; through calculation, for the steel bar truss structure with high rigidity, after the template is fixed, no additional support is needed; for the steel bar truss structure with insufficient rigidity, carrying out light support after the template is fixed; and pouring concrete to form a reinforced concrete structure. The invention has the advantages that: the number of on-site formwork supports is greatly reduced, the original cast-in-situ structural design is not changed basically, and the novel assembly type construction process for assembling the concrete steel bar truss, fixing the attached formwork and pouring concrete is realized.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a light support (light support) attached type formwork construction process.
Background
Along with the development of building technology, prefabricated Concrete structures (Precast Concrete, prefabricated assembly Concrete structues, PC) are widely applied to the fields of building, traffic, water conservancy and the like due to more environment-friendly construction environment, higher production efficiency, safer civilization of construction sites and higher industrialization degree of construction engineering, and become the main development direction of building industrialization. But in the development process, a plurality of difficulties which are difficult to overcome, such as poor integrity, poor anti-seismic performance, high cost, large hoisting equipment and the like, are also encountered. How to provide a new construction industrialization way, overcomes the difficulties existing at present, and is a problem to be solved in the current reinforced concrete structure.
Disclosure of Invention
The invention aims to provide a light support attached form construction process for solving the problems in the background technology.
In order to solve the technical problems, the technical scheme provided by the invention is as follows: a light-support attached template construction process specifically comprises the following steps:
1) The method comprises the steps of manufacturing a stiff steel truss as reinforcement by changing the direction of stirrups and adding oblique bars on the shape steel of a reinforcement cage/the stiff reinforcement, forming a steel truss with high rigidity and high stability by utilizing the oblique bars, longitudinal steel bars/section steel and the stirrups, and simultaneously installing concrete protection layer cushion blocks/brackets;
2) Processing an attached template;
3) The attached form is fixed on the steel bar truss through the form fixing piece, and the smaller component form is made into an integral form to be fixed on the steel bar truss; for larger component templates, the large component templates are manufactured into sizes convenient to install, and the large component templates are fixedly assembled on the steel bar truss; the number and density of the fixing pieces depend on the rigidity of the template material;
4) Assembling the stiff steel truss members into a stiff truss structure at a job site; through calculation, for the steel truss with high rigidity, after the template is fixed, no additional support is needed; for a steel truss with insufficient rigidity, carrying out light-weight support after the template is fixed so as to make up for the insufficient rigidity of the steel truss;
5) And pouring concrete to form a reinforced concrete structure.
As a preferable scheme, in the step 1), the steel truss with high rigidity and high stability is manufactured by changing the direction of stirrups and adding oblique bars on the steel bar of the reinforcement cage/the steel bar, the oblique bars, the longitudinal steel bars/the section steel and the stirrups are used as the reinforcement, and meanwhile, the concrete protection layer cushion block/support is installed.
As a preferred scheme, the step 4) is to assemble the stiff steel truss members into a stiff truss structure at a construction site; through calculation, for the steel truss with high rigidity, after the template is fixed, no additional support is needed; for a steel truss with insufficient rigidity, the template is supported in a light weight mode after the template is fixed so as to make up for the insufficient rigidity of the steel truss.
As a preferred solution, the reinforced concrete structure is demolded after step 5).
As a preferred solution, the reinforced concrete structure after step 5) is not subjected to form stripping, forming a decorative protective covering permanently attached to the reinforced concrete structure.
Preferably, the attached form is made of at least one of a metal plate, a bamboo laminate, a wood laminate, a cement fiber laminate, a concrete slab, and a synthetic polymer material plate.
Preferably, the template fixing piece is at least one of a hanging frame, a clamping apparatus and a bolt.
The invention has the advantages that: the binding mode of the reinforcement cage is improved, the arrangement mode of stirrups is changed, the diagonal web members are increased, the steel truss is formed into a stiff steel truss with outline degree and high stability through connection modes such as welding, hinging, crimping and lap joint, the steel truss can bear dead weight and the weight of a formwork, and can bear part or all of construction load, concrete dead weight, operators and mechanical weight in the construction process, so that work such as installation of most of site formworks, formwork support, site reinforcement manufacturing and installation is avoided, the defect of installation of prefabricated members is overcome, and the construction industrialization is realized, and the reinforcement cage has good popularization prospect.
Detailed Description
The invention is illustrated below by means of specific examples, without limiting the invention.
Example 1
A light-support attached template construction process specifically comprises the following steps:
1) The method comprises the steps of manufacturing a stiff steel truss as reinforcement by changing the direction of stirrups and adding oblique bars on the shape steel of a reinforcement cage/the stiff reinforcement, forming a steel truss with high rigidity and high stability by utilizing the oblique bars, longitudinal steel bars/section steel and the stirrups, and simultaneously installing concrete protection layer cushion blocks/brackets;
2) Processing an attached template;
3) The attached form is fixed on the steel bar truss through the form fixing piece, and the smaller component form is made into an integral form to be fixed on the steel bar truss; for larger component templates, the large component templates are manufactured into sizes convenient to install, and the large component templates are fixedly assembled on the steel bar truss; the number and density of the fixing pieces depend on the rigidity of the template material;
4) Assembling the stiff steel truss members into a stiff truss structure at a job site; through calculation, for the steel truss with high rigidity, after the template is fixed, no additional support is needed; for a steel truss with insufficient rigidity, carrying out light-weight support after the template is fixed so as to make up for the insufficient rigidity of the steel truss;
5) And pouring concrete to form a reinforced concrete structure.
And (3) demolding the reinforced concrete structure after the step 5).
As the preferable scheme of the embodiment, in the step 1), the steel truss with high rigidity and high stability is manufactured by changing the direction of stirrups and adding oblique bars on the steel bar with reinforcement cage/stiffness and reinforcement, the oblique bars, the longitudinal steel bars/section steel and the stirrups are used for forming the steel truss with high rigidity and high stability, and meanwhile, the concrete protective layer cushion block/support is installed.
As a preferred aspect of this embodiment, the step 4) is to assemble the stiff steel truss members into a stiff truss structure at a construction site; through calculation, for the steel truss with high rigidity, after the template is fixed, no additional support is needed; for a steel truss with insufficient rigidity, the template is supported in a light weight mode after the template is fixed so as to make up for the insufficient rigidity of the steel truss.
As a preferable scheme of the embodiment, the attached form is made of at least one of a metal plate, a bamboo laminate, a wood laminate, a cement fiber laminate, a concrete slab and a synthetic polymer material slab.
As a preferable scheme of the embodiment, the template fixing piece is at least one of a hanging frame, a clamping apparatus and a bolt.
Example 2
A light-support attached template construction process specifically comprises the following steps:
1) The method comprises the steps of manufacturing a stiff steel truss as reinforcement by changing the direction of stirrups and adding oblique bars on the shape steel of a reinforcement cage/the stiff reinforcement, forming a steel truss with high rigidity and high stability by utilizing the oblique bars, longitudinal steel bars/section steel and the stirrups, and simultaneously installing concrete protection layer cushion blocks/brackets;
2) Processing an attached template;
3) The attached form is fixed on the steel bar truss through the form fixing piece, and the smaller component form is made into an integral form to be fixed on the steel bar truss; for larger component templates, the large component templates are manufactured into sizes convenient to install, and the large component templates are fixedly assembled on the steel bar truss; the number and density of the fixing pieces depend on the rigidity of the template material;
4) Assembling the stiff steel truss members into a stiff truss structure at a job site; through calculation, for the steel truss with high rigidity, after the template is fixed, no additional support is needed; for a steel truss with insufficient rigidity, carrying out light-weight support after the template is fixed so as to make up for the insufficient rigidity of the steel truss;
5) And pouring concrete to form a reinforced concrete structure.
And 5) removing the die of the reinforced concrete structure after the step 5) to form the decorative protection surface layer which is permanently attached to the reinforced concrete structure.
As the preferable scheme of the embodiment, in the step 1), the steel truss with high rigidity and high stability is manufactured by changing the direction of stirrups and adding oblique bars on the steel bar with reinforcement cage/stiffness and reinforcement, the oblique bars, the longitudinal steel bars/section steel and the stirrups are used for forming the steel truss with high rigidity and high stability, and meanwhile, the concrete protective layer cushion block/support is installed.
As a preferred aspect of this embodiment, the step 4) is to assemble the stiff steel truss members into a stiff truss structure at a construction site; through calculation, for the steel truss with high rigidity, after the template is fixed, no additional support is needed; for a steel truss with insufficient rigidity, the template is supported in a light weight mode after the template is fixed so as to make up for the insufficient rigidity of the steel truss.
As a preferable scheme of the embodiment, the attached form is made of at least one of a metal plate, a bamboo laminate, a wood laminate, a cement fiber laminate, a concrete slab and a synthetic polymer material slab.
As a preferable scheme of the embodiment, the template fixing piece is at least one of a hanging frame, a clamping apparatus and a bolt.
The implementation of the invention has the following advantages:
advantage 1: the method has the advantages of retaining the industrialization advantages of the assembled reinforced concrete structure, along with high mechanization level, high construction speed and safe and civilized site, and opens up another technical path for building industrialization;
advantage 2: the defects of the assembled reinforced concrete member are avoided, the assembled reinforced concrete member is modified into an assembled reinforced truss, and the assembly weight and the assembly difficulty are reduced;
advantage 3: the advantages of the cast-in-situ reinforced concrete structure are reserved, the structural integrity is strong, the anti-seismic performance is good, and the original cast-in-situ structural design is not changed basically;
advantage 4: the defect of a cast-in-situ reinforced concrete structure is avoided, the on-site template manufacturing and template supporting are reduced, and plastering and decoration are even reduced.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (7)
1. The light-support attached template construction process is characterized by comprising the following steps of:
1) The method comprises the steps of manufacturing a stiff steel truss as reinforcement by changing the direction of stirrups and adding oblique bars on the shape steel of a reinforcement cage/the stiff reinforcement, forming a steel truss with high rigidity and high stability by utilizing the oblique bars, longitudinal steel bars/section steel and the stirrups, and simultaneously installing concrete protection layer cushion blocks/brackets;
2) Processing an attached template;
3) The attached form is fixed on the steel bar truss through the form fixing piece, and the smaller component form is made into an integral form for fixing
On the steel bar truss; for larger component templates, the large component templates are manufactured into sizes convenient to install, and the large component templates are fixedly assembled on the steel bar truss;
the number and density of the fixing pieces depend on the rigidity of the template material;
4) Assembling the stiff steel truss members into a stiff truss structure at a job site; through calculation, for the steel truss with high rigidity, after the template is fixed, no additional support is needed; for a steel truss with insufficient rigidity, carrying out light-weight support after the template is fixed so as to make up for the insufficient rigidity of the steel truss;
5) And pouring concrete to form a reinforced concrete structure.
2. The light-supported attached form construction process according to claim 1, wherein: in the step 1), the steel truss with high rigidity and high stability is formed by changing the direction of stirrups and adding oblique bars on the shape steel of the reinforcement cage/the stiffness reinforcement, the oblique bars, the longitudinal steel bars/the section steel and the stirrups are utilized to form the steel truss with high rigidity and high stability, and meanwhile, the concrete protective layer cushion block/the support is installed.
3. The light-supported attached form construction process according to claim 1, wherein: step 4) assembling the stiff steel truss members into a stiff truss structure at a construction site; through calculation, for the steel truss with high rigidity, after the template is fixed, no additional support is needed; for a steel truss with insufficient rigidity, the template is supported in a light weight mode after the template is fixed so as to make up for the insufficient rigidity of the steel truss.
4. The light-supported attached form construction process according to claim 1, wherein: and (3) demolding the reinforced concrete structure after the step 5).
5. The light-supported attached form construction process according to claim 1, wherein: and 5) removing the die of the reinforced concrete structure after the step 5) to form the decorative protection surface layer which is permanently attached to the reinforced concrete structure.
6. A light-end attached form construction process according to any one of claims 1-5, wherein: the attached template is manufactured by at least one of a metal plate, a bamboo laminated plate, a wood laminated plate, a cement fiber pressure plate, a concrete plate and a synthetic polymer material plate.
7. A light-end attached form construction process according to any one of claims 1-5, wherein: the template fixing piece is at least one of a hanging frame, a clamping apparatus and a bolt.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110491942.4A CN113202310B (en) | 2021-05-06 | 2021-05-06 | Light-support attached formwork construction process |
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| CN202110491942.4A CN113202310B (en) | 2021-05-06 | 2021-05-06 | Light-support attached formwork construction process |
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| CN113202310B true CN113202310B (en) | 2023-07-04 |
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| CN115788024A (en) * | 2022-11-23 | 2023-03-14 | 中国建筑第四工程局有限公司 | Inclined cylinder high formwork construction process |
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| JP2002339512A (en) * | 2001-05-14 | 2002-11-27 | Yoshinobu Hayashi | Method for arranging and installing annular reinforcement in reinforced block and part |
| CN107299724A (en) * | 2017-06-28 | 2017-10-27 | 华南理工大学 | A kind of overlapping stirrup and method for improving frame column ductility |
| CN109707104B (en) * | 2018-12-27 | 2023-10-27 | 中南大学 | Concrete-filled steel tube casting body with tie bars and construction method |
| CN110195515B (en) * | 2019-05-18 | 2021-01-26 | 陕西建工第五建设集团有限公司 | Building beam column steel reinforcement cage ligature operating device |
| CN112459048B (en) * | 2020-11-24 | 2022-10-28 | 嘉兴市康立德构件股份有限公司 | High-efficiency energy-saving concrete pipe pile and forming process |
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