CN115075546B - Method for manufacturing bare concrete hyperboloid steel template - Google Patents
Method for manufacturing bare concrete hyperboloid steel template Download PDFInfo
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- CN115075546B CN115075546B CN202210394931.9A CN202210394931A CN115075546B CN 115075546 B CN115075546 B CN 115075546B CN 202210394931 A CN202210394931 A CN 202210394931A CN 115075546 B CN115075546 B CN 115075546B
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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
- E04G11/04—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for structures of spherical, spheroid or similar shape, or for cupola structures of circular or polygonal horizontal or vertical section; Inflatable forms
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- E04G9/06—Forming boards or similar elements the form surface being of metal
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Abstract
The invention provides a bare concrete hyperboloid steel template and a manufacturing method thereof, wherein the manufacturing method comprises the following steps: establishing a hyperboloid three-dimensional model by using a computer, and carrying out gridding segmentation on the three-dimensional model; dividing the segmented three-dimensional model into a plurality of first areas along the circumferential direction, dividing the first areas into a plurality of second areas along the radial direction, and numbering the first areas and the second areas; manufacturing a steel mould framework corresponding to each second area according to the segmented three-dimensional model, and paving a panel on the steel mould framework to obtain a unit steel mould plate; assembling the unit steel templates according to the second region numbering sequence to obtain a region steel template; and assembling the region steel templates according to the sequence of the first region numbers to obtain the bare concrete hyperboloid steel templates. The hyperboloid is divided through gridding, and the hyperboloid is converted into a rectangular grid combination, so that the modeling difficulty of the hyperboloid is reduced; and then manufacturing unit steel templates in regions and assembling, so as to ensure that the assembled hyperboloid steel templates realize modeling of hyperboloids in the building.
Description
Technical Field
The invention relates to the technical field of building engineering construction, in particular to a bare concrete hyperboloid steel template and a manufacturing method thereof.
Background
Most of the existing buildings are more traditional building models, such as square or round buildings, and are constructed by adopting wood templates, so that the cost of the buildings is lower, the construction efficiency is higher, but the building models are difficult to form, and the building models are not special; hyperbolic shaped buildings are increasingly favored by individuals for their unique shape, such as the Guangzhou tower or the French Eiffel tower.
However, the existing hyperboloid building cannot be constructed through concrete pouring, and steel structures are mostly adopted for construction; the main construction steps of the traditional concrete building comprise formwork support, concrete pouring and formwork removal after hardening, so that the traditional concrete building modeling is formed; traditional concrete building pouring needs to be realized through a template, however, the traditional template is only suitable for square or round, and is not suitable for the special-shaped shape of the hyperboloid; the traditional template cannot be supported and surrounded into a hyperboloid shape, and then the hyperboloid concrete model cannot be formed by pouring; it is apparent that existing templates are not suitable for shaping hyperboloid in construction.
Therefore, how to provide a bare concrete hyperboloid steel template suitable for modeling a hyperboloid in a building becomes a technical problem to be solved.
Disclosure of Invention
The invention aims to solve the technical problems of the prior art, provides a bare concrete hyperboloid steel template and a manufacturing method thereof, and aims to solve the problem that the template in the prior art is not suitable for modeling a hyperboloid in a building.
The technical scheme adopted for solving the technical problems is as follows: a method for manufacturing a bare concrete hyperboloid steel template comprises the following steps:
establishing a hyperboloid three-dimensional model by using a computer, and carrying out gridding segmentation on the three-dimensional model;
dividing the segmented three-dimensional model into a plurality of first areas along the circumferential direction, dividing the first areas into a plurality of second areas along the radial direction, and numbering the first areas and the second areas;
manufacturing a steel mould framework corresponding to each second area according to the segmented three-dimensional model, and paving a panel on the steel mould framework to obtain a unit steel mould plate;
assembling the unit steel templates according to the second region numbering sequence to obtain a region steel template;
and assembling the region steel templates according to the sequence of the first region numbers to obtain the bare concrete hyperboloid steel templates.
The method for manufacturing the bare concrete hyperboloid steel template comprises the steps of establishing a hyperboloid three-dimensional model by a computer, and carrying out gridding segmentation on the three-dimensional model, wherein the method specifically comprises the following steps:
establishing a hyperboloid three-dimensional model by a computer, and carrying out gridding segmentation on the three-dimensional model to form a plurality of grid units;
grid point parameters of each grid cell are acquired.
The method for manufacturing the bare concrete hyperboloid steel template comprises the following steps of: generating a longitudinal parting line and a transverse parting line by a computer;
and carrying out gridding segmentation on the three-dimensional model through the longitudinal segmentation lines and the transverse segmentation lines.
The method for manufacturing the bare concrete hyperboloid steel template comprises the steps of forming grid points by the intersection points of the longitudinal parting line and the transverse parting line, wherein the grid point parameters comprise: three-dimensional coordinate values of the respective grid points.
The method for manufacturing the bare concrete hyperboloid steel template comprises the steps of dividing the segmented three-dimensional model into a plurality of first areas along the circumferential direction, dividing the first areas into a plurality of second areas along the radial direction, numbering the first areas and the second areas, and then further comprises the steps of:
the longitudinal split lines and the transverse split lines in the second region are numbered.
The method for manufacturing the bare concrete hyperboloid steel template comprises the following steps of:
according to grid point parameters, cutting the steel plate in a numerical control manner to obtain longitudinal ribs corresponding to the longitudinal dividing lines and transverse ribs corresponding to the transverse dividing lines, numbering the longitudinal ribs according to the longitudinal dividing lines, and numbering the transverse ribs according to the transverse dividing lines;
and assembling and welding the longitudinal ribs and the transverse ribs according to the serial numbers of the longitudinal parting lines and the serial numbers of the transverse parting lines to obtain the steel mould framework.
The method for manufacturing the bare concrete hyperboloid steel template comprises the steps of paving a panel on a steel framework to obtain a unit steel template, and specifically comprises the following steps:
and extruding the panel into a hyperbolic shape to enable the panel to be attached to the steel mould framework, and welding and fixing the panel and the steel mould framework to obtain the unit steel mould plate.
The method for manufacturing the bare concrete hyperboloid steel template comprises the steps of:
and (5) fitting the unit steel templates, and correcting the positions of the unit steel templates to enable adjacent unit steel templates to be attached.
The method for manufacturing the bare concrete hyperboloid steel template further comprises the following steps of:
and welding and polishing the abutted seams of the adjacent regional steel templates.
The invention solves the technical problem by adopting another technical scheme as follows: the bare concrete hyperboloid steel template is manufactured by adopting the manufacturing method.
Compared with the prior art, the invention provides the bare concrete hyperboloid steel template and the manufacturing method thereof, and the manufacturing method of the bare concrete hyperboloid steel template comprises the following steps: establishing a hyperboloid three-dimensional model by using a computer, and carrying out gridding segmentation on the three-dimensional model; dividing the segmented three-dimensional model into a plurality of first areas along the circumferential direction, dividing the first areas into a plurality of second areas along the radial direction, and numbering the first areas and the second areas; manufacturing a steel mould framework corresponding to each second area according to the segmented three-dimensional model, and paving a panel on the steel mould framework to obtain a unit steel mould plate; assembling the unit steel templates according to the second region numbering sequence to obtain a region steel template; and assembling the region steel templates according to the sequence of the first region numbers to obtain the bare concrete hyperboloid steel templates. The technical scheme aims to manufacture a steel template capable of modeling hyperboloid in a building; firstly, carrying out grid segmentation on the special-shaped hyperboloid, so as to realize the combination of converting the special-shaped hyperboloid into a conventional rectangular grid, so that the conventional rectangular shape is fitted into the special-shaped shape of the hyperboloid, the molding difficulty of the hyperboloid is reduced, and the guarantee is provided for the subsequent manufacture of the steel template conforming to the shape of the hyperboloid; dividing the divided three-dimensional model according to regions, numbering the regions, and manufacturing and assembling unit steel templates in regions, so that the manufacturing difficulty of the steel templates is reduced, and the unit steel templates can be completely assembled into the bare concrete hyperboloid steel templates without errors according to the numbering sequence; and the unit steel template is manufactured according to the site lofting, so that the bare concrete hyperboloid steel template can be ensured to perfectly fit with the hyperboloid, and the bare concrete hyperboloid steel template can be used for modeling the hyperboloid in the building.
Drawings
FIG. 1 is a process flow diagram of a method for manufacturing a bare concrete hyperboloid steel form of the invention;
FIG. 2 is a schematic diagram of the structure of the hyperboloid after grid division in the method for manufacturing the bare concrete hyperboloid steel form;
FIG. 3 is a schematic view of the area division of the hyperboloid after gridding segmentation in the method for manufacturing the bare concrete hyperboloid steel template;
FIG. 4 is a schematic view of the partial structure of the cross rib in the bare concrete hyperboloid steel form of the invention;
FIG. 5 is a schematic structural view of the longitudinal ribs in the bare concrete hyperboloid steel form of the present invention;
FIG. 6 is a schematic diagram of a partial structure of the bare concrete hyperboloid steel form of the present invention;
FIG. 7 is a schematic diagram of the connection relationship of the transverse ribs, the longitudinal ribs and the panels in the bare concrete hyperboloid steel form;
reference numerals illustrate:
11. grid dividing lines; 111. a longitudinal parting line; 112. a transverse parting line; 12. a steel mould skeleton; 121. a cross rib; 122. longitudinal ribs; 13. a panel.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clear and clear, the present invention will be further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Most of the existing buildings are more traditional building models, such as square or round buildings, and are constructed by adopting wood templates, so that the cost of the buildings is lower, the construction efficiency is higher, but the building models are difficult to form, and the building models are not special; hyperbolic shaped buildings are increasingly favored by individuals for their unique shape, such as the Guangzhou tower or the French Eiffel tower. However, the existing hyperboloid building cannot be constructed through concrete pouring, and steel structures are mostly adopted for construction; the main construction steps of the traditional concrete building comprise formwork support, concrete pouring and formwork removal after hardening, so that the traditional concrete building modeling is formed; traditional concrete building pouring needs to be realized through a template, however, the traditional template is only suitable for square or round, and is not suitable for the special-shaped shape of the hyperboloid; the traditional template cannot be supported and surrounded into a hyperboloid shape, and then the hyperboloid concrete model cannot be formed by pouring; it is apparent that existing templates are not suitable for shaping hyperboloid in construction.
The invention provides a bare concrete hyperboloid steel template and a manufacturing method thereof based on the problem that the template in the prior art is not suitable for modeling a hyperboloid in a building, and the technical scheme aims to manufacture the steel template capable of modeling the hyperboloid in the building; firstly, carrying out grid segmentation on the special-shaped hyperboloid, so as to realize the combination of converting the special-shaped hyperboloid into a conventional rectangular grid, so that the conventional rectangular shape is fitted into the special-shaped shape of the hyperboloid, the molding difficulty of the hyperboloid is reduced, and the guarantee is provided for the subsequent manufacture of the steel template conforming to the shape of the hyperboloid; dividing the divided three-dimensional model according to regions, numbering the regions to manufacture unit steel templates in regions, and then assembling, so that the manufacturing difficulty of the steel templates is reduced, and the unit steel templates can be completely assembled into the bare concrete hyperboloid steel templates without errors according to the numbering sequence; moreover, the unit steel template is manufactured according to the site lofting, so that the bare concrete hyperboloid steel template can be ensured to perfectly fit with the hyperboloid, and the bare concrete hyperboloid steel template can be used for modeling the hyperboloid in the building; please refer to the following examples for details.
As shown in fig. 1, the invention provides a method for manufacturing a bare concrete hyperboloid steel template, which comprises the following steps:
s100, establishing a hyperboloid three-dimensional model by using a computer, and carrying out gridding segmentation on the three-dimensional model;
specifically, as shown in fig. 2, in the technical scheme, a three-dimensional model is built for the hyperboloid modeling of the hyperboloid building by utilizing a computer three-dimensional modeling technology, then the three-dimensional model of the hyperboloid is subjected to gridding segmentation, the whole hyperboloid is segmented into grids, and a plurality of grids are fitted to form a whole hyperboloid; according to the technical scheme, the hyperboloid is divided through gridding, the special-shaped shape is converted into the conventional rectangular shape, the problem of modeling of the hyperboloid is solved by modeling of the conventional rectangle, and the modeling difficulty of the special-shaped shape is reduced.
S200, dividing the segmented three-dimensional model into a plurality of first areas along the circumferential direction, dividing the first areas into a plurality of second areas along the radial direction, and numbering the first areas and the second areas;
specifically, as shown in fig. 3, in the present technical solution, the second areas belong to sub-areas of the first areas, each of the first areas and each of the second areas is composed of a plurality of grids, and boundaries of the first areas and boundaries of the second areas are formed by combining edges of the plurality of grids.
In some embodiments, the first region may be numbered with english letters, e.g., number A, B, C, etc.; the second region may be numbered with a number, e.g., number 1, 2, 3, etc.; the segmented three-dimensional model is divided according to the areas, so that the steel template can be conveniently manufactured in the areas, and the manufacturing difficulty of the hyperboloid template is effectively reduced.
In some embodiments, the three-dimensional model of the segmented hyperboloid may be divided into 13 first regions, each first region being divided into 3 second regions, i.e. the three-dimensional model of the segmented hyperboloid is divided into 39 total second regions.
S300, manufacturing a steel mould framework corresponding to each second area according to the segmented three-dimensional model, and paving a panel on the steel mould framework to obtain a unit steel mould plate;
according to the technical scheme, the bare concrete hyperboloid steel template is manufactured in regions, and firstly, a unit steel template corresponding to a second region is manufactured; specifically, the computer grid segments the hyperboloid three-dimensional model, so that the design parameters of the hyperboloid three-dimensional model can be obtained, and the bare concrete hyperboloid steel template can be manufactured according to the design parameters of the three-dimensional model; in some embodiments, a site lofting mode is adopted, and according to design parameters of a three-dimensional model, measurement and marking are carried out on a construction site according to proportions; then, according to the marked point positions of the construction site, manufacturing a steel mould framework, and paving a panel to obtain a unit steel mould plate, so that the manufactured unit steel mould plate is matched with the hyperboloid where the second area is located; the ratio is the ratio of the design parameters of the three-dimensional model to the actual measured values of the construction site, and is preferably 1:1.
s400, assembling the unit steel templates according to the second region numbering sequence to obtain a region steel template;
s500, assembling the region steel templates according to the sequence of the first region numbers to obtain the bare concrete hyperboloid steel templates.
The current form is generally rectangular in shape; the technical scheme aims to manufacture a steel template capable of modeling hyperboloid in a building; firstly, carrying out grid segmentation on the special-shaped hyperboloid, so as to realize the combination of converting the special-shaped hyperboloid into a conventional rectangular grid, so that the conventional rectangular shape is fitted into the special-shaped shape of the hyperboloid, the molding difficulty of the hyperboloid is reduced, and the guarantee is provided for the subsequent manufacture of the steel template conforming to the shape of the hyperboloid; dividing the divided three-dimensional model according to regions, numbering the regions to manufacture unit steel templates in regions, and then assembling, so that the manufacturing difficulty of the steel templates is reduced, and the unit steel templates can be completely assembled into the bare concrete hyperboloid steel templates without errors according to the numbering sequence; moreover, the unit steel template is manufactured according to the site lofting, so that the bare concrete hyperboloid steel template can be ensured to perfectly fit with the hyperboloid, and the bare concrete hyperboloid steel template can be used for modeling the hyperboloid in the building; the bare concrete hyperboloid steel template in the technical scheme is integrally formed into a continuous and natural hyperboloid shape, can be applied to the construction of the bare concrete, and the surface of the molded concrete can meet the requirement of the effect of the bare concrete.
During actual construction, the whole lofting of the hyperboloid three-dimensional model is firstly carried out on a built construction platform, unit steel templates manufactured in different areas are sequentially fixed at the top end of a steel pipe support frame which is partially lifted according to lofting coordinate points, all the steel pipes in the radioactive direction are sequentially welded with the steel pipe support frame after debugging, and then the whole is reinforced; after the integral assembly and the formation of the bare concrete hyperboloid steel template, and after the reinforcement is completed, the joint of the inner surface of the bare concrete hyperboloid steel template is treated, and then the release agent is coated, and then the reinforced concrete is bound for pouring. Specifically, a PERI template release agent (oiliness) is adopted as the release agent; before the mold release agent is coated, firstly checking the surface quality of the mold, and starting coating after confirming that the surface quality meets the requirement; the release agent coating should be thin and uniform and free of rub-off.
In other preferred embodiments, the step S100 specifically includes:
establishing a hyperboloid three-dimensional model by a computer, and carrying out gridding segmentation on the three-dimensional model to form a plurality of grid units;
grid point parameters of each grid cell are acquired.
It can be understood that the grid point parameter is the position information of each grid unit in the three-dimensional model after segmentation, namely the position information of the grid dividing line; the parameterization of the hyperboloid after segmentation is realized by a large number of grid point parameters; the three-dimensional model of the hyperboloid is subjected to gridding segmentation by a computer, and grid point parameters are obtained, so that the whole grid point parameters realize the fitting of the whole hyperboloid; when the steel mould framework is manufactured, grid point parameters can be used for designing the steel mould framework, so that the manufactured steel mould framework is ensured to be fitted with the hyperboloid shape, and the hyperboloid modeling effect of the assembled bare concrete hyperboloid steel mould plate is ensured.
In other preferred embodiments, as shown in fig. 2, in step S100, specifically, the computer generates a longitudinal dividing line 111 and a transverse dividing line 112; the three-dimensional model is gridded and segmented by a longitudinal segmentation line 111 and a transverse segmentation line 112. Performing gridding segmentation on the three-dimensional model by adopting a computer technology; the computer specifically segments the three-dimensional model through a grid dividing line 11, wherein the grid dividing line 11 comprises a longitudinal dividing line 111 and a transverse dividing line 112, and the segmented hyperboloid three-dimensional model consists of a plurality of rectangular grid units.
In other preferred embodiments, the intersections of the longitudinal split lines and the transverse split lines form grid points, and the grid point parameters include: three-dimensional coordinate values of each grid point, arc radii of the longitudinal dividing line and the transverse dividing line, and three-dimensional coordinate values of the center of the arc. The three-dimensional model of the hyperboloid is a space three-dimensional shape, and the grid point parameters are parameterization of the space three-dimensional shape of the hyperboloid, so that the shape of the hyperboloid can be completely reflected, and further parameter support is provided for subsequent steel template manufacturing.
In other preferred embodiments, as shown in fig. 3, the step S200 further includes:
s20, the longitudinal dividing line 111 and the transverse dividing line 112 in the second region are numbered. Grid split line 11 includes a longitudinal split line 111 and a transverse split line 112; the grid dividing line 11 in the second area is numbered according to the technical scheme; each second region is divided by a plurality of longitudinal dividing lines 111 and a plurality of transverse dividing lines 112, and the grid dividing line 11 dividing the hyperboloid is a curve due to the special-shaped shape of the hyperboloid; by numbering the grid dividing lines 11 in the second region, the shape of the hyperboloid corresponding to the second region can be completely and correctly reflected.
In other preferred embodiments, the longitudinal split line 111 numbers are indicated by the english letter + number-number, for example: a1-1, B2-1, C3-2, N8-3, etc., wherein the english letter A, B or C, etc., indicates a first region number where the longitudinal split line 111 is located, the first number 1, 2, or 3 indicates the 1 st, 2 nd, or 3 rd longitudinal split line 111, and the second number indicates a second region number where the longitudinal split line 111 is located; the transverse split line 112 numbers are indicated by english alphabets-numerals, for example: a-1, B-2, C-11, N-20, etc., wherein the English letters A, B or C, etc., represent the first region in which the transverse dividing line 112 is located, and the numerals 1, 2, or 11 represent the 1 st, 2 nd, or 11 th transverse dividing line 112.
In other preferred embodiments, the manufacturing the steel mold skeleton corresponding to each second area according to the segmented three-dimensional model specifically includes the steps of:
s310, cutting the steel plate in a numerical control mode according to grid point parameters to obtain longitudinal ribs corresponding to the longitudinal dividing lines and transverse ribs corresponding to the transverse dividing lines, numbering the longitudinal ribs according to the longitudinal dividing lines, and numbering the transverse ribs according to the transverse dividing lines;
as shown in fig. 4 and 5, in this step, the grid point parameter is a parameter of the space three-dimensional shape of the hyperboloid, and the longitudinal rib and the transverse rib are manufactured according to the grid point parameter, so that the materialization of the grid point parameter is realized, the longitudinal rib is the materialization of the longitudinal parting line, the transverse rib is the materialization of the transverse parting line, and a guarantee is provided for accurately reflecting the hyperboloid shape of the second area by the manufactured steel mould skeleton.
S320, assembling and welding the longitudinal ribs and the transverse ribs according to the serial numbers of the longitudinal parting lines and the serial numbers of the transverse parting lines to obtain the steel mould skeleton.
As shown in fig. 6 and 7, the longitudinal ribs 122 and the transverse ribs 121 are assembled according to the serial numbers of the longitudinal dividing lines and the serial numbers of the transverse dividing lines, so that the longitudinal ribs 122 accurately correspond to the longitudinal dividing lines, the transverse ribs 121 accurately correspond to the transverse dividing lines, the manufactured steel mould skeleton 12 is matched with the hyperboloid corresponding to the second area in shape, and the hyperboloid modeling effect of the unit steel mould plate is improved.
As shown in fig. 4 and 5, in some preferred embodiments, the longitudinal ribs and the transverse ribs are spliced in a clamping groove manner, and after splicing, the longitudinal ribs and the transverse ribs are flush with one side facing the panel; specifically, a plurality of first clamping grooves are formed in the longitudinal ribs, a plurality of second clamping grooves are formed in the transverse ribs, and the second clamping grooves are arranged corresponding to the first clamping grooves; the first clamping groove and the second clamping groove are both positioned at the intersection position of the longitudinal rib and the transverse rib, the second clamping groove is opposite to the first clamping groove, the longitudinal rib is clamped with the transverse rib through the first clamping groove, and the transverse rib is clamped with the longitudinal rib through the second clamping groove.
In other preferred embodiments, the step of laying the panel 13 on the steel framework 12 to obtain the unit steel form specifically includes the steps of:
s330, extruding the panel into a hyperbolic shape, attaching the panel 13 to the steel mould skeleton 12, and welding and fixing the panel 13 and the steel mould skeleton 12 to obtain the unit steel mould plate.
As shown in fig. 6 and 7, in this step, the panel 13 is made of a steel plate; firstly, a steel plate is divided into planar panels 13 by adopting a numerical control shearing plate mode, then the planar panels 13 are firstly rolled into a single curved shape by means of tools such as a crow bar, a jack, a veneer reeling machine and the like, and then the double curved shape is extruded to enable the panels 13 to be attached to a steel mould framework, so that a unit steel mould plate is obtained, the unit steel mould plate is integrally formed into a natural continuous double curved shape, and the modeling requirement of a double curved surface corresponding to a second area is realized.
In some embodiments, more than one panel is arranged on the steel mould framework, and a plurality of panels are welded and fixed on the steel mould framework in a splicing way to obtain a unit steel mould plate; the plurality of panels are spliced and welded and fixed at the splice, so that the molding difficulty of the panels can be reduced, the molding effect of the panels is further ensured, and the unit steel molding plate is ensured to accurately reflect the hyperboloid shape corresponding to the second area; because the surface cut by the curved surface has errors with the actual operation on site, secondary cutting and repair welding are required on site when the panel is spliced.
After the unit steel templates are obtained, drilling holes are also needed at the boundary positions of adjacent unit steel templates, namely, the steel templates are drilled so as to penetrate bolts; the adjacent unit steel templates are assembled by bolts.
In some preferred embodiments, the steel mould frameworks of the adjacent unit steel mould plates can be fixed first, then the panels are welded and fixed on the steel mould frameworks, and the concrete sequence can be adjusted in the actual construction process.
In some preferred embodiments, the transverse ribs and the longitudinal ribs are all in the form of steel plates with the thickness of 8-10 mm and the width of 100-120 mm, the spacing between the adjacent transverse ribs or the adjacent longitudinal ribs is 300-500 mm, and the steel mould framework is in a longitudinal and transverse grid shape; the panel is in the form of a steel plate with a thickness of 4-5 mm.
In other preferred embodiments, the step S400 includes, before:
s40, fitting the unit steel templates, and performing position correction to enable adjacent unit steel templates to be attached.
Due to errors in the actual manufacturing process, adjacent unit steel templates are not necessarily attached; before assembling the unit steel template, trial assembly is carried out first, correction is carried out in the trial assembly process, the inconvenience of correction during formal construction and assembly is avoided, the assembly difficulty is further reduced, the continuity of the hyperboloid shape of the bare concrete hyperboloid steel template obtained by assembly can be ensured, and the hyperboloid modeling effect of the bare concrete hyperboloid steel template is improved.
In other preferred embodiments, after assembling the unit steel templates according to the second region numbering sequence, the method further comprises the steps of:
and welding and polishing the joints of adjacent unit steel templates. In the step, the obtained regional steel template can be ensured to form a continuous hyperboloid shape, so that gaps and marks on the concrete surface after concrete pouring are avoided, and the hyperboloid modeling effect of the bare concrete hyperboloid steel template is further improved.
In other preferred embodiments, after the assembling of the region steel forms according to the first region numbering sequence, before the obtaining of the bare concrete hyperboloid steel forms, the method further comprises the steps of:
and welding and polishing the abutted seams of the adjacent regional steel templates. In the step, the obtained bare concrete hyperboloid steel template can be ensured to form a continuous hyperboloid shape, so that gaps and marks on the concrete surface after concrete pouring are avoided, and the hyperboloid modeling effect of the bare concrete hyperboloid steel template is further improved.
In some embodiments, the welding seams of the adjacent unit steel templates and the welding seams of the adjacent area steel templates are polished one by one, putty is added, the polishing is carried out until the surface is smooth, and then a release agent and antirust paint are coated; the mold release agent is coated on the surface of the regional steel template contacted with the concrete, and the antirust paint is coated on the back surface of the regional steel template contacted with the concrete.
As shown in FIG. 6, the invention provides a bare concrete hyperboloid steel template, wherein the steel template is manufactured by adopting the manufacturing method. The bare concrete hyperboloid steel template manufactured by the method has a continuous and natural hyperboloid shape, and can realize concrete pouring modeling to form a hyperboloid in a building.
In summary, the invention provides a bare concrete hyperboloid steel template and a manufacturing method thereof, and the manufacturing method of the bare concrete hyperboloid steel template comprises the following steps: establishing a hyperboloid three-dimensional model by using a computer, and carrying out gridding segmentation on the three-dimensional model; dividing the segmented three-dimensional model into a plurality of first areas along the circumferential direction, dividing the first areas into a plurality of second areas along the radial direction, and numbering the first areas and the second areas; manufacturing a steel mould framework corresponding to each second area according to the segmented three-dimensional model, and paving a panel on the steel mould framework to obtain a unit steel mould plate; assembling the unit steel templates according to the second region numbering sequence to obtain a region steel template; and assembling the region steel templates according to the sequence of the first region numbers to obtain the bare concrete hyperboloid steel templates. The technical scheme aims to manufacture a steel template capable of modeling hyperboloid in a building; firstly, carrying out grid segmentation on the special-shaped hyperboloid, so as to realize the combination of converting the special-shaped hyperboloid into a conventional rectangular grid, so that the conventional rectangular shape is fitted into the special-shaped shape of the hyperboloid, the molding difficulty of the hyperboloid is reduced, and the guarantee is provided for the subsequent manufacture of the steel template conforming to the shape of the hyperboloid; dividing the divided three-dimensional model according to regions, numbering the regions, and manufacturing and assembling unit steel templates in regions, so that the manufacturing difficulty of the steel templates is reduced, and the unit steel templates can be completely assembled into the bare concrete hyperboloid steel templates without errors according to the numbering sequence; and the unit steel template is manufactured according to the site lofting, so that the bare concrete hyperboloid steel template can be ensured to perfectly fit with the hyperboloid, and the bare concrete hyperboloid steel template can be used for modeling the hyperboloid in the building.
It is to be understood that the invention is not limited in its application to the examples described above, but is capable of modification and variation in light of the above teachings by those skilled in the art, and that all such modifications and variations are intended to be included within the scope of the appended claims.
Claims (5)
1. The method for manufacturing the bare concrete hyperboloid steel template is characterized by comprising the following steps of:
establishing a hyperboloid three-dimensional model by using a computer, and carrying out gridding segmentation on the three-dimensional model;
dividing the segmented three-dimensional model into a plurality of first areas along the circumferential direction, dividing the first areas into a plurality of second areas along the radial direction, and numbering the first areas and the second areas;
manufacturing a steel mould framework corresponding to each second area according to the segmented three-dimensional model, and paving a panel on the steel mould framework to obtain a unit steel mould plate;
assembling the unit steel templates according to the second region numbering sequence to obtain a region steel template;
assembling the region steel templates according to the first region numbering sequence to obtain the bare concrete hyperboloid steel templates;
each first area and each second area are composed of a plurality of grids, and the boundaries of the first areas and the boundaries of the second areas are formed by combining the edges of the grids;
the method for constructing the hyperboloid three-dimensional model by using the computer comprises the following steps of:
establishing a hyperboloid three-dimensional model by a computer, and carrying out gridding segmentation on the three-dimensional model to form a plurality of grid units;
acquiring grid point parameters of each grid unit;
the step of gridding and dividing the three-dimensional model specifically comprises the following steps: generating a longitudinal parting line and a transverse parting line by a computer;
gridding and dividing the three-dimensional model through the longitudinal dividing lines and the transverse dividing lines;
the intersections of the longitudinal dividing lines and the transverse dividing lines form grid points, and the grid point parameters include: three-dimensional coordinate values of the respective grid points;
the method comprises the steps of dividing the segmented three-dimensional model into a plurality of first areas along the circumferential direction, dividing the first areas into a plurality of second areas along the radial direction, numbering the first areas and the second areas, and then further comprising the steps of:
numbering the longitudinal split lines and the transverse split lines in the second region;
the method for manufacturing the steel mould skeleton corresponding to each second area according to the segmented three-dimensional model specifically comprises the following steps:
according to grid point parameters, cutting the steel plate in a numerical control manner to obtain longitudinal ribs corresponding to the longitudinal dividing lines and transverse ribs corresponding to the transverse dividing lines, numbering the longitudinal ribs according to the longitudinal dividing lines, and numbering the transverse ribs according to the transverse dividing lines;
and assembling and welding the longitudinal ribs and the transverse ribs according to the serial numbers of the longitudinal parting lines and the serial numbers of the transverse parting lines to obtain the steel mould framework.
2. The method for manufacturing the bare concrete hyperboloid steel form according to claim 1, wherein the step of paving a panel on the steel form framework to obtain a unit steel form comprises the following steps:
and extruding the panel into a hyperbolic shape to enable the panel to be attached to the steel mould framework, and welding and fixing the panel and the steel mould framework to obtain the unit steel mould plate.
3. The method for manufacturing a bare concrete hyperboloid steel form according to claim 1, wherein assembling the unit steel forms according to the second region numbering sequence to obtain the region steel form comprises the following steps:
and (5) fitting the unit steel templates, and correcting the positions of the unit steel templates to enable adjacent unit steel templates to be attached.
4. The method for manufacturing a steel form of a double curved surface of bare concrete according to claim 1, wherein after assembling the steel forms of the areas according to the first area numbering sequence, before obtaining the steel form of the double curved surface of the bare concrete, further comprising the steps of:
and welding and polishing the abutted seams of the adjacent regional steel templates.
5. A bare concrete hyperboloid steel form manufactured by the manufacturing method according to any one of claims 1 to 4.
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU3132601A (en) * | 2000-03-27 | 2001-10-04 | Powell, Ryan Lindsay | Formwork |
| WO2012167948A2 (en) * | 2011-06-10 | 2012-12-13 | Eth Zurich | Method for on-site casting of free-form concrete structures |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004042361A (en) * | 2002-07-10 | 2004-02-12 | Ishikawajima Constr Materials Co Ltd | Method and apparatus for producing synthetic segment |
| EP2516771A4 (en) * | 2009-12-23 | 2014-09-03 | Liberty Diversified Internat Inc | System and method for structure design |
| CN102345377B (en) * | 2011-07-15 | 2013-06-12 | 广州市第三建筑工程有限公司 | Method for making spatial multi-curved-surface as-cast finish concrete stay in place formwork by using plywood |
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| DE102013103458A1 (en) * | 2013-04-08 | 2014-10-09 | Peri Gmbh | Formwork system for the production of a concrete floor |
| CN103195247B (en) * | 2013-04-19 | 2015-02-25 | 江苏省华建建设股份有限公司 | Saddle-shaped hyperboloidal concrete slab construction method |
| CN104594633B (en) * | 2015-01-20 | 2017-03-29 | 中国建筑第八工程局有限公司 | The construction method and its formwork structure of umbrella shape space curved surface clear-water concrete |
| CN104818792A (en) * | 2015-04-10 | 2015-08-05 | 广东电白建设集团有限公司 | Measurement, control and construction method for curved roof formwork system |
| CN212535079U (en) * | 2020-05-20 | 2021-02-12 | 杭州通达集团有限公司 | Single-column double-curved-surface concrete formwork structure for canopy |
| CN111945939A (en) * | 2020-09-11 | 2020-11-17 | 武汉市汉阳市政建设集团有限公司 | BIM technology-based construction method for hyperboloid UHPC curtain wall unit plate |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU3132601A (en) * | 2000-03-27 | 2001-10-04 | Powell, Ryan Lindsay | Formwork |
| WO2012167948A2 (en) * | 2011-06-10 | 2012-12-13 | Eth Zurich | Method for on-site casting of free-form concrete structures |
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