CN113982099A - Building facade with curve, manufacturing method, building facade system and module - Google Patents

Building facade with curve, manufacturing method, building facade system and module Download PDF

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Publication number
CN113982099A
CN113982099A CN202111294676.2A CN202111294676A CN113982099A CN 113982099 A CN113982099 A CN 113982099A CN 202111294676 A CN202111294676 A CN 202111294676A CN 113982099 A CN113982099 A CN 113982099A
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facade
building
window
building facade
curve
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CN113982099B (en
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杨瑛
孙昱
许赤士
沈炼
韩艳
刘孪娈
周伟杰
文泓森
谭亦高
王明
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Hunan Architectural Design Institute Group Co ltd
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Hunan Architectural Design Institute Group Co ltd
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F10/00Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F11/00Stairways, ramps, or like structures; Balustrades; Handrails
    • E04F11/18Balustrades; Handrails
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B2001/0053Buildings characterised by their shape or layout grid
    • E04B2001/0061Buildings with substantially curved horizontal cross-section, e.g. circular

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Finishing Walls (AREA)

Abstract

The invention relates to a building facade with a curve, a manufacturing method thereof, a building facade system and a module, aiming at the building facade with the curve, the curve is a Bezier curve; for a building facade system comprising: the building outer facade with the curve is formed by the boundary line of the joint of the upper panel and the lower panel, and the upper panel and the lower panel are in a horn shape protruding outwards of the building when connected, extend along the outer wall of the floor and are fixed on the corresponding outer wall of the floor. For a building facade module, comprising: the building facade system can be used as a sun shield and a continuous railing; for the manufacturing method, S1: acquiring a building facade line type according to the Bezier curve; s2: and decomposing the single linear form to form a plurality of standard unit modules. The invention ensures the coordination and unification of the building and the natural environment, so that the building facade has more functions and can meet the multifunctional building facade form.

Description

Building facade with curve, manufacturing method, building facade system and module
Technical Field
The invention relates to the field of building facades, in particular to a building facade with curves.
The invention also relates to a manufacturing method of the building facade with the curve.
The invention further relates to a building facade system comprising a curved building facade as described above.
The invention further relates to a building facade module comprising the above building facade system.
Background
Building facade refers to the interface between building and building exterior space and the image and the form displayed by it, or the general term of the components and their combination at the interface between building interior and exterior space. The existing building facade is generally rectangular, has a single form, can be generally used only as a facade, does not have other functions and has insufficient aesthetic property.
Disclosure of Invention
The invention aims to provide a building facade with a curve, which not only improves the comfort level of a user and reduces the energy consumption of a building, but also further improves the performance of the building facade, simultaneously can also give consideration to the beauty, and is favorable for ensuring the coordination and unification of the building and the environment.
In order to achieve the above object, a building facade having a curve, the curve being a bezier curve, the mathematical equation of which is:
Figure BDA0003336095980000011
wherein: p is a radical ofi-is the coordinate value of the control point.
t-parameters of control points;
Bi,n(t) -Bernstein polynomial;
Figure BDA0003336095980000012
in the formula (I), the compound is shown in the specification,
Figure BDA0003336095980000013
is a quadratic coefficient;
as a further improvement of the curved building facade, a first order bezier curve is used in the straight line segment and a third order bezier curve is used in the corner position, which can be expressed as:
P(t)=P0(1-t)3+3P1(1-t)2t+3P2(1-t)t2+P3t3
the rising and falling state of the building facade curve can be adjusted according to the Bezier curve, the form of the building facade can be changed, and the building facade has more functions, such as shading, energy conservation, aesthetic feeling improvement, comfort guarantee and the like.
The technical subject of the building facade system comprises the following steps: the building outer facade with the curve is formed by the boundary line of the joint of the upper panel and the lower panel, and the upper panel and the lower panel are in an angle shape protruding outwards of the building when connected, extend along the outer wall of the floor and are fixed on the corresponding outer wall of the floor.
Through adjusting different angles, can smash outside wind field, promote natural draft.
As a further improvement to the building facade system, the upper and lower panels extend in a "ribbon" fashion.
The streamlined ribbon is separated from the actual building outer wall, so that the visual natural rhythm effect is met, and the visual harmony of the window is highlighted.
As a further improvement of the building facade system, a triangular bracket is arranged between the upper panel and the lower panel, the triangular bracket is made of aluminum alloy and is connected with a building wall body and a building plate through a steel member, and the triangular bracket is attached to the inner surface formed by the upper panel and the lower panel and is fixed on the outer wall of the building;
the technical subject of the building facade module comprises the following steps: the building outer vertical face system, the upper vertical face window, the lower vertical face window top plate, the lower vertical face window bottom plate and the floor outer wall serving as a construction wall are arranged on the building outer vertical face system; a lower vertical face window top plate is arranged between the upper vertical face window and the lower vertical face window, a construction wall is fixedly connected to the end part of the lower vertical face window top plate, and a building outer vertical face system is directly fixed on the lower vertical face window top plate and the construction wall to serve as a sun shield; the lower facade window bottom plate extends outwards to form a sidewalk or a platform, the end part of the overhanging part is fixedly connected with a floor outer wall serving as a fence, and the fence and the end part of the lower facade window bottom plate jointly fix a building facade system serving as a railing of the sidewalk or the platform.
As a further improvement of the building facade module, the building facade system is fixedly connected with a construction wall through a steel member, and the part of the steel member embedded in the construction wall is fixedly connected with the end part of the lower facade window top plate; and the part of the steel member penetrating out of the construction wall is fixedly connected with a building outer facade system.
As a further improvement of the building facade module, the lower facade window bottom plate and the enclosure wall are fixedly connected with a building facade system through a steel member, the lower facade window bottom plate is connected with a suspended ceiling through the steel member, the end part of the suspended ceiling is provided with an embedded troffer lamp and a water outlet hole, the end part of the lower facade window bottom plate is provided with a planting box, an oblique steel member is inserted into the end part of the lower facade window bottom plate and the enclosure wall through the planting box, and the lower facade window bottom plate is provided with an adjustable base and a stone paving material positioned on the adjustable base.
The building facade module is further improved, an upper panel and a lower panel are glass fiber reinforced cement plates, an upper facade window and a lower facade window are made of glazed glass, a hanging plant is arranged at the edge of the building facade system, the colors of the upper panel and the lower panel are deepened along with the reduction of the widths of the upper facade window and the lower facade window, a top plate of the lower facade window and the building facade system directly fixed on a construction wall are vertically connected, and a vertical building facade system is formed; the building outer vertical face system is characterized in that the end parts of the enclosure wall and the bottom plate of the lower vertical face window are jointly fixed, the lower panel of the building outer vertical face system is gradually inclined upwards from the horizontal direction, and the upper panel of the building outer vertical face system is integrally inclined downwards to form a transverse building outer vertical face system. The vertical and horizontal building facade systems are designed to be slightly inclined outwards,
the sun-shading effect and the ventilation effect are further improved.
The technical theme of the manufacturing method of the building facade with the curve specifically comprises the following steps:
s1: acquiring a building facade line type according to the Bezier curve;
s2: decomposing the single linear form to form a plurality of standard unit modules;
s3: optimizing a plurality of unit modules, and connecting the unit modules end to realize assembly;
s4: producing corresponding components according to the unit modules in S3;
s5: on a construction site, performing assembly construction on the produced components to form corresponding outer vertical surfaces on the building;
in S2, the unit modules with consistent section sizes are used as standard modules to realize splicing among different modules; the unit modules at the head end and the tail end are used as terminal modules, and splicing between the unit modules at the head end and the tail end and other unit modules is realized; and the unit module at the local corner position is used as a local module, so that the unit module at the corner position is spliced with other unit modules.
The invention ensures the coordination and unification of the building and the natural environment, so that the building facade has richer functions, and provides a curve to meet the multifunctional building facade form.
Drawings
FIG. 1 is a flow chart of a manufacturing method.
Fig. 2 is a schematic view of a part of a building facade system and module construction.
Fig. 3 is a schematic view of another part of the building facade system and module structure.
Fig. 4 is an overall effect diagram.
Reference numerals: 1. an upper panel; 2. a lower panel; 3. a floor outer wall; 4. a triangular bracket; 5. a vertical window is arranged; 6. a lower facade window; 7. a lower facade window top plate; 8. a lower facade window bottom plate; 9. constructing a wall; 10. an enclosure wall; 11. a steel member; 12. a suspended ceiling; 13. an embedded troffer lamp; 14. a water outlet hole; 15. planting boxes; 16. an adjustable base; 17. a stone paving material.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1
As shown in fig. 1-4, the present invention presents a facade system in the form of "ribbons" made of GFRC panels calculated parametrically, comprising at least two layers, "ribbons" made of beige white Glass Fibre Reinforced Cement (GFRC) board, prefabricated GFRC unit board length 8400mm, divided into upper panel 1 and lower panel 2, and a module comprising this facade system; each layer of ribbon comprises eight standard modules, local modules and terminal modules which are mutually arranged and combined, the unit modules with consistent section sizes are used as the standard modules to realize splicing among different modules, and the length of the eight standard modules can be randomly adjusted to adapt to actual needs. The unit modules at the head end and the tail end are used as terminal modules, and splicing between the unit modules at the head end and the tail end and other unit modules is realized; and the unit module at the local corner position is used as a local module, so that the unit module at the corner position is spliced with other unit modules. The facade module comprises facade windows which are divided into an upper facade window 5 and a lower facade window 6, two groups of vertical 'ribbon' facade systems of the upper panel 1 and the lower panel 2 and one group of vertical 'ribbon' facade systems of the lower panel 2 gradually change from horizontal to horizontal and extend upwards in an inclined mode, but the upper panel 1 integrally keeps a downward inclined 'ribbon' building facade system. The building facade system can be deformed differently on facades in different directions through the arrangement and combination of the standard module, the local module and the terminal module, and is rich in rhythms. The outer facade module can provide the sunshade effect, improves user's comfort level and reduces the building energy consumption, has still compromise the pleasing to the eye of vision simultaneously, and the outer facade system of building of streamlined "ribbon" form will realize the effect of natural rhythm in the vision, and the vision harmony of prominent window.
In fig. 2, a glazed glass system is adopted, and the length of a prefabricated GFRC unit (with a stiffening rib steel structure on the inner side) is 8400mm in a strip shape, the steel structure and a floor slab are connected and arranged in a construction wall, and a ceiling finish surface is arranged on a suspended ceiling.
In fig. 3, the steel structure and the floor slab connection rail support are arranged in the planting box as required, the planting box is made of wood, and the GRFC outer side arch web plate is matched with the belt-shaped form.
The 'ribbon' type building facade system is streamline, and the line type is adjusted to be in a fluctuating state by a Bessel curve.
And decomposing the adjusted overall curve into a plurality of sections consisting of standard modules, and splicing the whole building facade system after the modules at the head end and the tail end are added through pairwise butt joint.
The building facade system in the form of ribbon is used on a window, a sidewalk or a platform, the building facade system on the window is positioned on the upper side and the lower side of the window, the window is coated between the ribbons, and the building facade system on the sidewalk or the platform is used as a continuous railing.
A flower trough and a lamp trough are integrated on a building outer facade system on a sidewalk or a platform, and green plants are arranged in the flower trough; the edge of the ribbon is provided with a suspended plant.
The width of the facade window in the building facade module is 4.2m and the height is 3.9 m.
The color of the ribbon deepens along with the reduction of the width of the facade window of the building facade module, the deepest color number is 0286, and the lightest color number is 0261.
In the outer vertical face window of the building outer vertical face module, a lower vertical face window 6 is connected to a floor slab and is overlapped with an upper vertical face window 5 above to form an integrated heat preservation screen.
The building facade system provided by the invention has modern shape and elegant texture. The whole building facade system can be deformed differently on facades in different directions through the arrangement and combination of the standard modules, the local modules and the terminal modules according to the pursuit of high performance, is favorable for high-performance design with high efficiency and low cost, is convenient to construct, has short construction period and is rich in rhythmic feeling. Besides being used as an external vertical surface, the utility model can also be used as a railing and a sun shield, and has the functions of sun-shading and environment-beautifying. The facade module outside the building that this embodiment provided, the facade system outside the building and the separation of actual building outer wall as the sunshading board can provide the sunshade effect, improves user's comfort level and reduces the building energy consumption, has still compromise the pleasing to the eye of vision simultaneously, and streamlined "ribbon" will realize the effect of natural rhythm in the vision, and the vision harmony of prominent window.
Example 2
The manufacturing method of the building facade with the curve specifically comprises the following steps:
s1: acquiring a building facade line type according to the Bezier curve;
s2: decomposing the single linear form to form a plurality of standard unit modules;
s3: optimizing a plurality of unit modules, and connecting the unit modules end to realize assembly;
s4: producing corresponding components according to the unit modules in S3;
s5: on a construction site, performing assembly construction on the produced components to form corresponding outer vertical surfaces on the building;
in S2, the unit modules with consistent section sizes are used as standard modules to realize splicing among different modules; the unit modules at the head end and the tail end are used as terminal modules, and splicing between the unit modules at the head end and the tail end and other unit modules is realized; and the unit module at the local corner position is used as a local module, so that the unit module at the corner position is spliced with other unit modules.
The manufacturing method utilizes a Bezier curve form to obtain the form of the facade of the building, and utilizes a parameter optimization unit module and an end-to-end unit module to realize assembly.
Bezier curve, the mathematical equation of which is:
Figure BDA0003336095980000061
wherein: p is a radical ofi-is a coordinate value of a control point;
t-parameters of control points;
Bi,n(t) -Bernstein polynomial;
Figure BDA0003336095980000062
in the formula (I), the compound is shown in the specification,
Figure BDA0003336095980000063
is a quadratic coefficient.
When a first order bezier curve is used in the straight line segment and a 3 rd order bezier curve is used in the corner position, it can be expressed as:
Figure BDA0003336095980000064
when on the straight line segment, a 1 st order bezier curve is used, and at the corner positions a 3 rd order bezier curve is used.
The "ribbon" form of building facade system appears streamlined.
In this embodiment, the streamlined ribbon is designed parametrically and prefabricated to achieve a high quality, fast finish. Each layer of ribbon finally generates a building facade system through the arrangement and combination of the unit modules. The "ribbon" is made of a GFRC panel calculated parametrically, presenting subtle variations. The 'ribbons' on the window can effectively shield sunlight, and the window is covered between the 'ribbons' from the lower side of the upper window so as to endow the building facade with a streamline shape.
In this embodiment, the color of the ribbon facade system deepens with the reduction of the surface width, the deepest color number is 0286, and the lightest color number is 0261, so that a constantly changing facade effect rich in rhythm can be formed.
The manufacturing method comprises the steps of firstly determining the length of a curve according to the size of the outer vertical surface of a building, wherein different floors are different, the number of first floors is large, and then sequentially decreasing according to the floors.
The curve is then decomposed into segments consisting of a plurality of standard modules. Optimizing the size and the length of the segment, adapting to a Bezier curve, manufacturing corresponding components according to the optimized unit modules, and then assembling during construction.
The building facade system provided by the embodiment has modern shape and elegant texture. The whole facade system can be deformed differently on facades in different directions through the arrangement and combination of the standard module, the local module and the terminal module according to the pursuit of high performance, is a high-performance design with high efficiency and low cost, is convenient to construct, has short construction period and is rich in rhythmic feelings.
Example 3
On walkways and platforms, "ribbons" can be used as continuous rails, flower troughs are integrated into "ribbons", providing greening plants, and integrating "ribbons" with landscapes. Troffers are also integrated into the ribbon to provide illumination for the underlying walkway, helping to highlight the ribbon streamline shape. The edge of the ribbon is combined with the suspended plant, so that additional sun shading can be provided for the lower layer space. Besides being used as an external vertical surface, the utility model can also be used as a railing, and has the functions of shading sun and beautifying the environment.
The ribbon facade system is used on a window, a sidewalk and a platform, the window is covered between ribbons from the upper side and the lower side of the window by the ribbon on the window, and the ribbon facade system on the sidewalk and the platform is used as a continuous railing. A lace and a lamp groove are integrated on the sidewalk and the platform, and green plants are arranged in the lace; the edge of the ribbon is provided with a hanging plant.
The ribbon is used as a sun shield, and an external wind field can be broken by adjusting different sun shield angles, so that natural ventilation is promoted. The density, size and geometry of each shade panel is parametrically designed to vary depending on building performance. The sun shield is slightly inclined outwards in shape design, water can be prevented from dripping into the window, and the sun shield can also block redundant solar radiation and glare.
The foregoing is a more detailed description of the invention in connection with specific preferred embodiments and it is not intended that the invention be limited to these specific details. For those skilled in the art to which the invention pertains, several equivalent substitutions or obvious modifications can be made without departing from the spirit of the invention, and all the properties or uses are considered to be within the scope of the invention.

Claims (10)

1. A building facade having a curve, the curve being a bezier curve having the mathematical equation:
Figure FDA0003336095970000011
wherein: p is a radical ofi-is a coordinate value of a control point;
t-parameters of control points;
Bi,n(t) -Bernstein polynomial;
Figure FDA0003336095970000012
in the formula (I), the compound is shown in the specification,
Figure FDA0003336095970000013
is a quadratic coefficient.
2. A curved building facade according to claim 1, wherein: when a first order bezier curve is used in the straight line segment and a 3 rd order bezier curve is used in the corner position, it can be expressed as:
P(t)=P0(1-t)3+3P1(1-t)2t+3P2(1-t)t2+P3t3
3. a building facade system comprising: the building facade with a curve as defined in claim 1, the curve being formed by the boundary line of the joint of the upper panel (1) and the lower panel (2), the upper panel (1) and the lower panel (2) being in the shape of a corner protruding out of the building when joined, extending along the storey outer wall (3) and being fixed to the corresponding storey outer wall (3).
4. A building facade system according to claim 3, characterised in that the upper panel (1) and the lower panel (2) extend in a ribbon shape.
5. A building facade system according to claim 3 or 4, characterised in that a triangular bracket (4) is arranged between the upper panel (1) and the lower panel (2), and the triangular bracket (4) is attached to the inner surface formed by the upper panel (1) and the lower panel (2) and fixed to the storey outer wall (3).
6. A building facade module comprising: -the building facade system of claim 3, upper facade windows (5), lower facade windows (6), lower facade window top plates (7) and lower facade window bottom plates (8) and floor outer walls (3) as construction walls (9); a lower vertical window top plate (7) is arranged between the upper vertical window (5) and the lower vertical window (6), a construction wall (9) is fixedly connected to the end part of the lower vertical window top plate (7), and a building outer vertical face system is directly fixed on the lower vertical window top plate (7) and the construction wall (9) to serve as a sun shield; the lower vertical window bottom plate (8) extends outwards to form a sidewalk or a platform, the end part of the overhanging part is fixedly connected with a floor outer wall (3) serving as a fence (10), and the end parts of the fence (10) and the lower vertical window bottom plate (8) are jointly used for fixing a building outer vertical system serving as a railing of the sidewalk or the platform.
7. A building facade module according to claim 6, wherein the building facade system is fixedly connected to the construction wall (9) through a steel member (11), and the part of the steel member (11) embedded in the construction wall (9) is fixedly connected to the end part of the lower facade window top plate (7); and the part of the steel member (11) penetrating through the construction wall (9) is fixedly connected with a building outer facade system.
8. The building facade module according to claim 6, wherein the lower facade window bottom plate (8) and the enclosure wall (10) are fixedly connected with a building facade system through a steel member (11), the lower facade window bottom plate (8) is connected with the suspended ceiling (12) through the steel member (11), the end part of the suspended ceiling (12) is provided with an embedded troffer lamp (13) and a water outlet hole (14), the end part of the lower facade window bottom plate (8) is provided with a planting box (15), an oblique steel member (11) is inserted into the end part of the lower facade window bottom plate (8) and the enclosure wall (10) through the planting box (15), the lower facade window bottom plate (8) is provided with an adjustable base (16) and stone paving materials (17) positioned on the adjustable base (16).
9. The building facade module according to claim 8, characterized in that the upper panel (1) and the lower panel (2) are glass fiber reinforced cement boards, the upper facade window (5) and the lower facade window (6) are made of glazed glass, hanging plants are arranged at the edge of the building facade system, the color of the upper panel (1) and the lower panel (2) deepens along with the reduction of the width of the upper facade window (5) and the lower facade window (6), the building facade system directly fixed on the lower facade window top plate (7) and the construction wall (9) is vertically connected with the upper panel (1) and the lower panel (2); the end parts of the enclosure wall (10) and the lower vertical window bottom plate (8) are jointly fixed to form a building outer vertical face system, the lower panel (2) of the building outer vertical face system gradually changes from horizontal to inclined upwards, and the upper panel (1) of the building outer vertical face system integrally keeps inclined downwards.
10. A method of manufacturing a curved building facade according to claim 1, comprising the steps of:
s1: acquiring a building facade line type according to the Bezier curve;
s2: decomposing the single linear form to form a plurality of standard unit modules;
s3: optimizing a plurality of unit modules, and connecting the unit modules end to realize assembly;
s4: producing corresponding components according to the unit modules in S3;
s5: on a construction site, performing assembly construction on the produced components to form corresponding outer vertical surfaces on the building;
in S2, the unit modules with consistent section sizes are used as standard modules to realize splicing among different modules; the unit modules at the head end and the tail end are used as terminal modules, and splicing between the unit modules at the head end and the tail end and other unit modules is realized; and the unit module at the local corner position is used as a local module, so that the unit module at the corner position is spliced with other unit modules.
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CN102733478A (en) * 2012-04-04 2012-10-17 中国航空规划建设发展有限公司 Cable dome structure design index determining method based on research on whole load bearing process
CN107060205A (en) * 2017-01-24 2017-08-18 中国建筑第二工程局有限公司 A kind of many curve petal truss structures and its construction method
CN110704891A (en) * 2019-08-15 2020-01-17 杭州群核信息技术有限公司 Method for automatically paving and pasting along any curve

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