CN117127793A - Construction method of special-shaped curved surface concrete roof panel - Google Patents
Construction method of special-shaped curved surface concrete roof panel Download PDFInfo
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- CN117127793A CN117127793A CN202311120847.9A CN202311120847A CN117127793A CN 117127793 A CN117127793 A CN 117127793A CN 202311120847 A CN202311120847 A CN 202311120847A CN 117127793 A CN117127793 A CN 117127793A
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- 238000010276 construction Methods 0.000 title claims abstract description 54
- 238000012545 processing Methods 0.000 claims abstract description 35
- 239000002023 wood Substances 0.000 claims abstract description 32
- 238000009415 formwork Methods 0.000 claims abstract description 19
- 241000282806 Rhinoceros Species 0.000 claims abstract description 14
- 238000013461 design Methods 0.000 claims description 21
- 238000010586 diagram Methods 0.000 claims description 17
- 238000007493 shaping process Methods 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 11
- 238000005096 rolling process Methods 0.000 claims description 2
- 230000011218 segmentation Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 12
- 238000009435 building construction Methods 0.000 abstract description 4
- 238000007689 inspection Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 238000012797 qualification Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000012634 fragment Substances 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000004026 adhesive bonding Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 241000283690 Bos taurus Species 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000011265 semifinished product Substances 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
Classifications
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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
- E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
- E04G11/36—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for floors, ceilings, or roofs of plane or curved surfaces end formpanels for floor shutterings
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
- E04B5/32—Floor structures wholly cast in situ with or without form units or reinforcements
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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
- E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
- E04G11/36—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for floors, ceilings, or roofs of plane or curved surfaces end formpanels for floor shutterings
- E04G11/40—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for floors, ceilings, or roofs of plane or curved surfaces end formpanels for floor shutterings for coffered or ribbed ceilings
- E04G11/46—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for floors, ceilings, or roofs of plane or curved surfaces end formpanels for floor shutterings for coffered or ribbed ceilings of hat-like or trough-like shape encasing a rib or the section between two ribs or encasing one rib and its adjacent flat floor or ceiling section
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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
- E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
- E04G11/36—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for floors, ceilings, or roofs of plane or curved surfaces end formpanels for floor shutterings
- E04G11/48—Supporting structures for shutterings or frames for floors or roofs
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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
- E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
- E04G17/06—Tying means; Spacers ; Devices for extracting or inserting wall ties
- E04G17/065—Tying means, the tensional elements of which are threaded to enable their fastening or tensioning
- E04G17/0651—One-piece elements
- E04G17/0652—One-piece elements fully recoverable
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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
- E04G9/00—Forming or shuttering elements for general use
- E04G9/02—Forming boards or similar elements
- E04G9/04—Forming boards or similar elements the form surface being of wood
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/10—Geometric CAD
- G06F30/13—Architectural design, e.g. computer-aided architectural design [CAAD] related to design of buildings, bridges, landscapes, production plants or roads
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- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
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- General Physics & Mathematics (AREA)
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- Mathematical Optimization (AREA)
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- Evolutionary Computation (AREA)
- General Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The application relates to a construction method of a special-shaped curved surface concrete roof panel, which belongs to the technical field of building construction and comprises the following steps: s1, designing a special-shaped curved surface concrete structure roof board formwork, deeply designing a rhinoceros UV grid fitting to build a curved surface by a formwork, and then designing a supporting system; s2, constructing a special-shaped curved surface concrete structure roof slab formwork, firstly carrying out formwork processing, carrying out modeling wood secondary joist processing and panel processing, then carrying out site assembly construction, installing a formwork, and carrying out concrete pouring after the formwork is installed. The application has the effect of convenient construction.
Description
Technical Field
The application relates to the technical field of building construction, in particular to a construction method of a special-shaped curved surface concrete roof panel.
Background
Along with the vigorous development of the building industry, the building construction technology is also continuously improved. More and more buildings are continuously pursuing the attractive appearance, artistic quality and uniqueness of the building, so that the building with novel shape is continuously designed, but at the same time, new challenges are brought to building construction. The construction of the special-shaped beam plates is also more and more common, and the shape and the curvature of each special-shaped beam plate are different.
Aiming at the related technology, the inventor considers that part of beam plates are nearly vertical, the template of the special-shaped beam plates is difficult to manufacture and difficult to form; the hyperboloid span is larger, the height phase difference is large, and the die carrier is difficult to install and position accurately; the control difficulty of the whole elevation is high in the construction of the connection position of the hyperboloid frame body and the plane, and the defect of high construction difficulty exists.
Disclosure of Invention
In order to achieve the effect of convenient construction, the application provides a construction method of a special-shaped curved surface concrete roof panel.
The construction method of the special-shaped curved surface concrete roof panel provided by the application adopts the following technical scheme:
a construction method of a special-shaped curved surface concrete roof panel comprises the following steps:
s1, designing a special-shaped curved surface concrete structure roof board formwork, deeply designing a rhinoceros UV grid fitting to build a curved surface by a formwork, and then designing a supporting system;
s2, constructing a special-shaped curved surface concrete structure roof slab formwork, firstly carrying out formwork processing, carrying out modeling wood secondary joist processing and panel processing, then carrying out site assembly construction, installing a formwork, and carrying out concrete pouring after the formwork is installed.
Through adopting above-mentioned technical scheme, design template and support through the Rhinoceros UV net, the producer makes the template according to the processing diagram, installs the template that makes on the spot, after the installation concrete placement can, the template is prefabricated, template erection and concrete placement can, reach the effect of being convenient for construction.
Optionally, in step S1, according to the planar contour map provided by the design, a rhinoceros UV grid map is adopted, points are extracted by the grid, a three-dimensional coordinate point cloud system is output, a three-dimensional positioning map of the structural space is generated, a beam side template and a beam bottom template are lofted according to elevation, radian and beam section, and a top plate template lofting map is generated according to the curved surface roof modeling lofting map and the multipoint connecting line of the beam position map.
By adopting the technical scheme, the three-dimensional positioning map of the structural space and the curved surface roof modeling sample map are generated to be mutually overlapped, the elevation and the radian of the plate girder connecting position are determined, the top plate template sample map is generated, and the effect of generating the top plate template sample map is achieved.
Optionally, in the step S1, the two patterns of the plane and the rhinoceros are corresponding, the rhinoceros model is converted into the CAD, the patterns at the corresponding positions are selected for each beam and each plate, and the keel spacing is divided, so as to form the final template deepened design drawing.
By adopting the technical scheme, the plane and the rhinoceros patterns are corresponding to form a final template deepened design pattern, and the effect of forming the final template deepened design pattern is achieved.
Optionally, in step S1, checking the dimension of the reference plan view during drawing, determining that the projection view is consistent, checking with the design unit after finishing the deepening view, ensuring that the design requirement is met, and performing template processing after the deepening view is free of errors.
By adopting the technical scheme, checking is performed during drawing turning, after drawing is deepened, checking is performed with a design unit, the accuracy of the drawing is ensured, and the effect of ensuring the accuracy of the drawing is achieved.
Optionally, in the step S1, before the support system is constructed, the support system of the lower die frame of the irregular plate is pre-arranged by using a template processing pattern area through CAD software, so as to ensure the spatial positioning of the vertical rod.
By adopting the technical scheme, the support is designed through CAD software, the support system is pre-arranged, the normal erection of the support system is ensured, and the effect of normally erecting the support system is achieved.
Optionally, in step S2, the processing of the modeling wood secondary joist adopts a numerical control machine to roll the whole wood, check with the processing diagram after shaping, and place the modeling wood secondary joist in number after the shaping and the dimension are correct.
Through adopting above-mentioned technical scheme, adopt digit control machine tool to roll to whole wood for the model specification of the fossil fragments that roll into is more accurate, and the correction again after the design makes the model specification of fossil fragments more accurate again, reaches the effect that makes model and the specification of fossil fragments more accurate.
Optionally, in step S2, the wooden mold is steamed, then pressure is slowly applied to the steamed wooden mold in the mold, the wooden mold is bent into a final required shape, the wooden mold is placed in a ventilated and cool environment for airing after the wooden mold is finished, and when the water content of the wooden mold reaches the equilibrium, the shaped wooden mold is removed from the mold and then fixed with the modeling wooden keel.
By adopting the technical scheme, the wood template is steamed, becomes soft and has toughness, so that the strength of the wood template is higher, and the effect of improving the strength of the wood template is achieved.
Optionally, in step S2, after the template processing is completed, the template is pre-spliced in the processing plant, the template is checked and accepted, and the template is checked and accepted again after entering the field.
By adopting the technical scheme, the template acceptance is carried out in a factory, the quality of the template is ensured, so that the construction quality is ensured, the acceptance is carried out again after the template enters the field, the template with poor quality is removed, the quality of the template used in construction is ensured, and the effect of improving the construction quality is achieved.
Optionally, in step S2, the beam template adopts a beam side beam bottom covering mode, in the construction process, liang Cegen adjusts the corresponding height according to the site situation, an interface is reserved between the shaping template and the loose assembly template, the column head template is loose assembly according to the site actual situation, and the construction error is reserved at the column head position.
By adopting the technical scheme, an interface is reserved between the shaping template and the loose splicing template of the beam template, so that the beam template is convenient to install and convenient to construct when being installed on site; the column head template can keep construction errors at the column head position, is convenient to adjust, and achieves the effect of being convenient for construction.
Optionally, in step S2, after the template is installed, the three-dimensional space position of the template is rechecked.
By adopting the technical scheme, the template is subjected to the coincidence of the three-dimensional space position, so that the construction precision of the opposite beam plate is ensured, and the effect of improving the construction accuracy is achieved.
Drawings
FIG. 1 is a view of a curved beam and a pallet body setup;
FIG. 2 is a beam slab node template processing schematic;
FIG. 3 is a schematic view of beam split bolt node processing;
fig. 4 is a beam slab column node process plan view.
Detailed Description
The application is described in further detail below with reference to fig. 1-4.
The embodiment of the application discloses a construction method of a special-shaped curved surface concrete roof panel.
A construction method of a special-shaped curved surface concrete roof panel comprises the following steps:
s1, referring to FIG. 1, designing a special-shaped curved surface concrete structure roof boarding die carrier:
the template deepens and designs the UV grid fitting of the cattle to establish a curved surface so as to ensure the design appearance: according to a planar contour map provided by design, a rhinoceros UV grid map is adopted, point positions are extracted by grids, a three-dimensional coordinate point cloud system is output, a structural space three-dimensional positioning map is generated, the map is mutually overlapped with a curved surface roof modeling lofting map, elevation and radian of a slab-girder junction position are determined, and girder side templates and girder bottom templates are lofted according to the elevation, the radian and a girder section; after confirming that the error is avoided, generating a top plate template lofting diagram according to the multipoint connection line of the curved surface roof modeling lofting diagram and the beam position diagram, and converting a rhinoceros model into a CAD diagram according to the correspondence of the plane and the rhinoceros diagram; checking the dimension of the plane diagram during turning, determining that the projection diagram is consistent, selecting the diagram at the corresponding position of each beam and each plate, dividing the distance between the keels (ensuring that the distance between the keels is controlled within 300 mm), forming a final template deepened design diagram, checking the deepened diagram with a design unit after finishing the deepened diagram, ensuring that the design requirement is met, and processing the template after the deepened diagram is free of errors.
And (3) supporting design: before the support system is constructed, the support system of the lower die frame of the special-shaped plate is pre-arranged by utilizing a template processing graph division area through CAD software, so that the spatial positioning of the vertical rod is ensured. The support system adopts a disc buckle type scaffold system, and a fastener scaffold (diagonal bracing) is additionally arranged on a larger part of the curved surface to solve the problem of excessive support stability of the curved surface.
S2, referring to fig. 2, 3 and 4, constructing a special-shaped curved surface concrete structure roof slab formwork:
template processing: and processing and manufacturing the roof slab template of the special-shaped curved surface concrete structure, and adopting a numerical control machine tool to process the die and the modeling wood keel according to the processing diagram. Processing the modeling wood secondary joist: rolling the whole wood by adopting a numerical control machine tool, checking with a processing diagram after shaping, numbering and placing after shaping and dimension are correct. Processing a panel: the wooden templates are steamed to soften the wooden templates and have toughness. And then slowly applying pressure to the steamed wood pattern in the mold to bend the wood pattern into a final required shape. And (3) airing in a ventilated and cool environment after the completion, and fixing the shaped wood template with the modeling wood keel after the shaped wood template is taken down from the upper surface of the die when the template reaches the equilibrium moisture content.
After the manufacturing is completed, a manufacturer numbers each template according to a drawing so as to facilitate assembly and construction on site, when a template panel is selected, attention needs to be paid to whether the surface of the laminated wood multilayer board is smooth, whether a gap and a distortion exist on a sandwich layer, whether a side opening is neat, whether the thickness and the length tolerance meet requirements or not and the like, and when a rectangular square pipe is selected, attention is paid to whether the rectangular square pipe is flat, whether the surface contacted with the panel and the embedded wood are on the same surface or not, and whether the height is uneven or not is the phenomenon.
Checking and accepting the special-shaped curved surface concrete structure roof boarding shaping template, and checking and accepting in a processing plant: after the shaping template is processed, the shaping template is qualified through inspection, the template is pre-spliced in a processing factory, the splicing seam can be ensured to be crossed, two central control lines are sprung on the back of the template after the pre-splicing, and the template control lines are aligned when the template is installed. Before the product leaves the factory, the quality of the product is comprehensively checked by personnel such as special-shaped template processing factory technology, quality inspection and the like, so that unqualified products or products with quality hidden danger are ensured not to leave the factory. Each template is provided with a qualification certificate, the qualification certificate is signed by a quality inspector, the qualification certificate is attached to an upper opening of the template, the qualification certificate is sent to a construction site along with the template, and the quality inspection condition of each template is archived in a factory to be inspected.
And (5) entrance acceptance inspection: before the beam and plate shaping template enters the field, checking the bill of materials to determine whether the entering template has missing parts or not; and checking and accepting the size of the template, the template material and the appearance quality of the finished template according to the beam and plate numbers and the deepening drawing.
And (3) storing: the shaping template is placed on the leveled hard ground, and the ground is hardened and has no water accumulation. The boards are stacked together with small difference in radian and specification, and the maximum number of the boards is not more than 3. The deformed plates with larger radian change are independently placed, and stacking is forbidden. The upper part of the template is covered by waterproof canvas, the lower part is padded by a 100X 100mm square wood to prevent water soaking deformation, and the stacking height of the template is not more than 1m. The processed and formed semi-finished product template is marked according to the required specification, and is convenient to be picked up and used during construction.
And (3) template installation: lifting the template into position according to the template number; after preliminary fixing, adjusting the position and the seam of the templates, and splicing the adjusted templates together by using a connecting piece; the beam side die is screwed with the connecting bolt to lock the threading screw nut; after the template is installed, the overall construction condition of the template is checked, and the local part is reinforced according to the node requirement.
Beam slab node template is handled, and this engineering beam template adopts beam side to wrap the beam bottom mode, and beam side wraps 80mm down, reserves 15mm accommodation space, and in the work progress, liang Cegen adjusts corresponding height according to the scene condition, reserves the interface between design template and the loose tooling template, makes things convenient for on-the-spot connection.
And the beam slab column nodes are processed, the column head templates are spliced in a scattered manner according to the actual conditions of the site, and construction errors are reserved at the column head positions, so that the adjustment is convenient.
And (3) processing the edge joint of the panel of the integral template, wherein when the large template is processed and assembled, a gasket seal or a sponge strip is added in the edge joint, and edge sealing paint is brushed for 2-3 times at the edge cutting part of the template. And (3) gluing the back of the spliced seam of the template by adopting a special tool, pasting the sealing strip along the spliced seam after gluing, compacting by using wood strips, nailing firmly by using nails, and pasting adhesive tape paper. When the template is processed, the protruding frame of the template panel is not less than 2mm, and a rubber sealing band is added between the vertical frames when the template is installed, so that the panel can be protected, and the quality of the vertical splicing seams can be ensured. In the process of manufacturing and installing the shaping template, the inspection of the template is enhanced, and the height difference of adjacent boards, gaps between boards, connection of the template panel and keels and the like are mainly inspected. And channel steel connection is added between adjacent templates, and steel pipe diagonal bracing is added. The tightening of the split bolt and the special-shaped connecting bolt is uniform in force application, so that the stress of the adjacent split bolt and the stress of the clamp are consistent, and uneven deformation of the template is avoided. When the template is processed, the unified size of the section size, thickness, diagonal line and the like of the template is ensured. And (3) pre-splicing the templates, ensuring that the splice joint can be crossed, and after pre-splicing, bouncing two central control lines on the back of the templates, and aligning the template control lines when the templates are installed.
And (3) rechecking the space position, namely rechecking the three-dimensional space position of the template after the template is installed in order to ensure the construction precision of the special-shaped beam and slab. Because the curved surface template is pre-assembled in a manufacturer, the space position of each beam is determined, namely the position of the plate bottom mould is determined, and only the projection position of each beam on the horizontal plane and the elevation of the beam end and the beam in the field are checked. And after rechecking, carrying out lower working procedure construction.
And (3) concrete pouring: the on-site slump is controlled below 160mm, and the slump is adjusted at any time according to the actual on-site situation; the concrete pouring sequence is that a section of pouring belt is arranged from top to bottom in 2 meters; before pouring a special-shaped plate with a steep gradient, attaching a panel to a part with a large gradient, wherein the concrete anti-slip measure uses a steel wire mesh with large holes, the distance is 500mm, the beam is inserted and intercepted along the direction of the plate by adopting a batten, and the anti-slip measure is pulled out in time according to the solidification degree; the thickness control is controlled by a shaping concrete pouring floor thickness controller, and the thickness is ensured by manual measurement auxiliary control. The gradient in the area of the special-shaped beam slab part is steeper, and in order to ensure the construction safety of workers in the concrete pouring construction process, the customized wood ladder is adopted for up-and-down construction.
The embodiments of the present application are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in this way, therefore: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (10)
1. A construction method of a special-shaped curved surface concrete roof board is characterized by comprising the following steps: the method comprises the following steps:
s1, designing a special-shaped curved surface concrete structure roof board formwork, deeply designing a rhinoceros UV grid fitting to build a curved surface by a formwork, and then designing a supporting system;
s2, constructing a special-shaped curved surface concrete structure roof slab formwork, firstly carrying out formwork processing, carrying out modeling wood secondary joist processing and panel processing, then carrying out site assembly construction, installing a formwork, and carrying out concrete pouring after the formwork is installed.
2. The construction method of the special-shaped curved surface concrete roof panel according to claim 1, wherein the construction method comprises the following steps: in the step S1, a rhinoceros UV grid map is adopted according to a planar contour map provided by a design, points are extracted from the grid, a three-dimensional coordinate point cloud system is output, a three-dimensional positioning map of a structural space is generated, a beam side template and a beam bottom template are lofted according to elevation, radian and beam cross section, and a top plate template lofting map is generated according to a curved surface roof modeling lofting map and a beam position map multipoint connecting line.
3. The construction method of the special-shaped curved surface concrete roof panel according to claim 2, wherein the construction method comprises the following steps: in the step S1, according to the correspondence of the plane and the rhinoceros patterns, the rhinoceros pattern is converted into a CAD pattern, patterns at corresponding positions are selected for each beam and each plate, and keel spacing segmentation is carried out, so that a final template deepened design pattern is formed.
4. A method of constructing a profiled curved surface concrete roof panel as claimed in claim 3, wherein: in the step S1, checking is performed with reference to the dimension of the plan view during the drawing, the projection view is determined to be consistent, after the deepening view is completed, checking is performed with a design unit, so that the design requirement is met, and the template processing is performed after the deepening view is free of errors.
5. The construction method of the special-shaped curved surface concrete roof panel according to claim 1, wherein the construction method comprises the following steps: in the step S1, before the support system is constructed, the support system of the lower die frame of the deformed plate is pre-arranged by utilizing a template processing pattern area through CAD software, so that the spatial positioning of the vertical rod is ensured.
6. The construction method of the special-shaped curved surface concrete roof panel according to claim 1, wherein the construction method comprises the following steps: in the step S2, the modeling wood secondary joist is processed by rolling the whole wood by adopting a numerical control machine tool, checking with a processing diagram after shaping, and numbering and placing after shaping and dimension are correct.
7. The construction method of the special-shaped curved surface concrete roof panel according to claim 1, wherein the construction method comprises the following steps: in the step S2, the wood template is steamed, then pressure is slowly applied to the steamed wood template in a mould, the wood template is bent into a final required shape, the wood template is placed in a ventilated and cool environment for airing after the wood template is finished, and the shaped wood template is taken off from the upper surface of the mould and fixed with a modeling wood keel when the template reaches the equilibrium moisture content.
8. The construction method of the special-shaped curved surface concrete roof panel according to claim 1, wherein the construction method comprises the following steps: in the step S2, after the template processing is completed, the template is pre-spliced in the processing factory, the template is checked and accepted, and the template is checked and accepted again after entering the field.
9. The construction method of the special-shaped curved surface concrete roof panel according to claim 1, wherein the construction method comprises the following steps: in the step S2, the beam template adopts a beam side beam bottom covering mode, in the construction process, liang Cegen adjusts corresponding height according to the site situation, an interface is reserved between the shaping template and the loose assembly template, the column head template is loose assembly according to the site actual situation, and the construction error is reserved at the column head position.
10. The method for constructing the special-shaped curved surface concrete roof panel according to claim 8, wherein the method comprises the following steps: in the step S2, after the template is installed, the three-dimensional space position of the template is rechecked.
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| CN111877742A (en) * | 2020-08-11 | 2020-11-03 | 中建八局第二建设有限公司 | Numerical control machining construction method for special-shaped curved surface fair-faced concrete formwork system |
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