Breathing type torsion folded line unit type curtain wall construction method

Abstract

This application provides a construction method for a breathing-type torsional zigzag unitized curtain wall, comprising the following steps: S1: 3D modeling; S2: curtain wall detailed design; S3: curtain wall fabrication; S4: installation of the hoisting system; S5: curtain wall installation, including: S51: installing multiple support blocks at intervals on the floor slab, the sides of the support blocks being inclined to the sides of the floor slab, and the support blocks extending from the floor slab having a first side and a second side; S52: installing the keel on the first side and the operable sash on the second side; S53: installing the sealing plate and the termination plate on the floor slab, and installing the decorative strip between the operable sash and the termination plate, forming a ventilation channel between the operable sash, the decorative strip, the termination plate, and the sealing plate, with multiple ventilation holes on the decorative strip; S54: hoisting the glass panels and installing them on the keel. This application can improve the ventilation performance of the curtain wall and enhance its safety.

Description

Technical Field

[0001] This application relates to the technical field of curtain wall construction, and in particular to a breathing-type torsion-folded unitized curtain wall construction method. Background Technology

[0002] A curtain wall is the exterior wall enclosure of a building, hung like a curtain, hence also called a suspended wall. It is a lightweight wall structure with decorative effect commonly used in modern large and high-rise buildings. It consists of a structural frame and inlaid panels. It is a building envelope structure that does not bear the load and function of the main structure. It uses various strong, lightweight and beautiful building materials to replace the traditional brick or window wall combination exterior wall construction method. It is an exterior wall construction method that surrounds the main structure to make the whole building beautiful, functional and safe.

[0003] In recent years, with the increasing demand for diversified building appearances, various integrated glass configurations have been widely used in curtain walls. Currently, the construction method for glass curtain walls is mostly to install keels on the building's exterior walls or concrete columns to form a frame for installing glass panels, and then install the glass panels into the frame.

[0004] However, the glass curtain wall facades in related technologies are mostly planar structures, with the curtain wall glass located on the same plane. As architecture has evolved, some building designs have become increasingly complex, and curtain wall styles are no longer monotonous or conservative, exhibiting more diverse shapes and more dynamic lines. Ventilation and safety have always been challenging aspects of curtain walls. To improve safety during windy weather, curtain wall designs minimize the number of windows, and when windows are present, they are often top-hung windows with small opening angles, resulting in relatively weak ventilation. Summary of the Invention

[0005] To improve the ventilation and air exchange performance of curtain walls and enhance their safety, this application provides a construction method for a breathing-type torsion-folded unitized curtain wall.

[0006] This application provides a construction method for a breathing-type torsion-fold line unitized curtain wall, employing the following technical solution:

[0007] A construction method for a breathing-type torsion-fold line unitized curtain wall includes the following steps:

[0008] S1: 3D Modeling: Performing 3D laser scanning on the building structure to construct a 3D model;

[0009] S2: Curtain wall detailed design: Determine curtain wall dimensions and adjust the 3D model;

[0010] S3: Curtain wall processing and fabrication;

[0011] S4: Installation of hoisting system: Install guide rails at the top structural beams of the building and slide the hoist on the guide rails;

[0012] S5: Curtain wall installation, including: S51: Installing multiple support blocks at intervals on the floor slab, the sides of the support blocks are inclined to the sides of the floor slab, and the support blocks extend from the floor slab with a first side and a second side; S52: Installing the keel on the first side and the operable sash on the second side; S53: Installing sealing plates and edge plates on the floor slab, so that the operable sash and edge plates are spaced apart, and installing decorative strips between the operable sash and edge plates, so that the sealing plates and decorative strips are spaced apart; and forming a ventilation channel between the operable sash, decorative strip, edge plate and sealing plate, with multiple ventilation holes on the decorative strip; S54: Hoisting the glass panels and installing them on the keel.

[0013] By adopting the above technical solution, because the supporting base is tilted relative to the floor slab, the keel installed on the supporting base is also tilted relative to the floor slab. This results in the glass panels being installed after the keel is in place, and the glass panels are also relatively tilted relative to the floor slab, creating a zigzag shape for the curtain wall on the same floor. This improves the curtain wall's sun-shading performance and reduces the amount of light entering the room. When the operable windows are opened, outside air enters the ventilation duct through the vents and then enters the room, accelerating the air exchange between the indoor and outdoor environments. Simultaneously, because air flows into the room from the side of the curtain wall, the safety of the curtain wall is improved.

[0014] Optionally, the glass panels on each floor of the building have a sawtooth shape on the same plane, and the glass panels on each floor have an amount of deflection relative to the adjacent floors, forming a building facade structure that is deflected and twisted in both upward and downward directions from the middle floor.

[0015] Optionally, the building floors can be divided into upper, middle and lower sections from top to bottom, with the glass panels in the middle section parallel to the building facade.

[0016] For the upper region, from the middle to the top of the building, the supporting base blocks of adjacent floors are deflected by 2.8° layer by layer in the horizontal plane;

[0017] For the lower area, from the middle to the bottom of the building, the supporting blocks of adjacent floors are deflected 2.8° in opposite directions on the horizontal plane.

[0018] By adopting the above technical solution, the supporting base blocks of adjacent layers have an offset, which in turn causes the glass panels of adjacent layers to have an offset, and the offset is small, facilitating construction. The curtain wall is twisted from the middle of the building upwards and downwards, which can improve the overall sun-shading performance, reduce the amount of light entering the room, and reduce indoor energy consumption.

[0019] Optionally, a sealing strip can be installed between vertically adjacent glass panels, and sealant can be applied to the joints.

[0020] By adopting the above technical solution, since the glass panels of adjacent layers have an offset, gaps will appear between the glass panels of adjacent layers. The sealing strip fills the gaps, and after applying sealant to the joints, the waterproof performance can be improved, and the situation of rainwater seeping in from the joints can be reduced.

[0021] Optionally, the end cap has multiple ventilation holes.

[0022] By adopting the above technical solution, outside air can enter the ventilation channel through the ventilation holes, increasing the air intake into the ventilation channel and thus improving the air circulation efficiency between indoors and outdoors.

[0023] Optionally, the closing plate is hinged to an opening and closing plate, which can open and close the ventilation hole, and the opening direction of the opening and closing plate is the same as the opening direction of the opening fan.

[0024] A support rod is provided between the opening fan and the opening / closing plate, and the support rod is hinged to the opening fan and the opening / closing plate respectively.

[0025] By adopting the above technical solution, when the operable sash is opened, the operable sash rotates via the support rod, causing the opening and closing plate to rotate. The opening and closing plate opens the ventilation hole, which can accelerate the air exchange efficiency between the outside and the inside. When the operable sash is closed, the operable sash rotates via the support rod, causing the opening and closing plate to rotate and close the ventilation hole, reducing the impact of wind entering the ventilation slot on the curtain wall and improving safety.

[0026] Optionally, step S1 includes:

[0027] S11: Control point layout: First, select the control points to be determined on the electronic plan, and then determine the number of actual control points at the actual work site so that the control points to be determined correspond to the actual control points;

[0028] S12: Point cloud data acquisition: Scan the outline of the building structure on the ground and rooftop;

[0029] S13: Data processing: Remove noise points and redundant data from point cloud data;

[0030] S14: Export the point cloud data to 3D software for modeling.

[0031] By adopting the above technical solution, the control points of the building can be captured through 3D scanning, and the point cloud data formed by the control points can be used to create a 3D model. The 3D model can then be used as a reference for the actual construction.

[0032] Optionally, step S52 includes:

[0033] S521: Connector installation: Install connectors on the side of the floor slab;

[0034] S522: Column installation: Install the columns onto the connectors so that the columns abut against the support base blocks, and install the columns sequentially from the bottom of the building to the top of the building;

[0035] S523: Beam installation: Use beams to connect adjacent columns.

[0036] By adopting the above technical solution, the column is installed on the floor slab through the connector, the support base can provide support for the column, and the column and the beam are spliced ​​to form a keel to provide support for the glass panel, so that the tilt angle of the glass panel is consistent with the tilt angle of the support base.

[0037] In summary, this application includes at least one of the following beneficial effects:

[0038] 1. The supporting base makes the keel tilted relative to the floor slab, so that after the glass panel is installed on the keel, the glass panel is also tilted relative to the floor slab, making the curtain wall on the same floor appear zigzag-shaped, which improves the sun-shading performance of the curtain wall and reduces the light entering the room.

[0039] When the fan is turned on, outside air enters the ventilation slot through the vents and then enters the room, accelerating the air exchange between the indoor and outdoor environments.

[0040] 2. Outside air can enter the ventilation slot through the vents, and then enter the room through the fan, which speeds up the air circulation in the room;

[0041] 3. When the openable fan is opened, the opening and closing plate moves synchronously, allowing outside airflow to enter the room through the vents and ventilation holes, increasing air circulation efficiency; when the openable fan is closed, the opening and closing plate also closes the ventilation holes simultaneously. Attached Figure Description

[0042] Figure 1 This is a schematic diagram of the overall structure of the curtain wall in Embodiment 1 of this application;

[0043] Figure 2 This is a schematic diagram of the overall structure of the curtain wall in Embodiment 1 of this application from another direction;

[0044] Figure 3 This is a top view of the curtain wall structure of Embodiment 1 of this application;

[0045] Figure 4 yes Figure 3 A magnified structural diagram of part A in the middle;

[0046] Figure 5 This is a flowchart of Embodiment 2 of this application.

[0047] Explanation of reference numerals in the attached drawings: 1. Support block; 2. Keel; 21. Column; 22. Horizontal beam; 3. Glass panel; 4. Opening sash; 5. Decorative strip; 51. Ventilation hole; 6. End plate; 61. Ventilation hole; 7. Opening and closing plate; 8. Support rod; 9. Sealing plate. Detailed Implementation

[0048] The following is in conjunction with the appendix Figure 1-5 This application will be described in further detail.

[0049] Example 1:

[0050] Embodiment 1 of this application provides a breathing-type torsion zigzag unitized curtain wall.

[0051] refer to Figure 1 and Figure 2 The breathing-type twisted zigzag unitized curtain wall includes a support base 1, a keel 2, and glass panels 3. The support base 1 is a rectangular block, one part of which is fixedly connected to the floor slab, and the other part of which extends out of the floor slab. Multiple support bases 1 are arranged at intervals.

[0052] The building floors are divided into upper, middle, and lower sections from top to bottom. The protruding sidewall of the support block 1 in the middle section is parallel to the sidewall of the floor slab. In the upper section, from the middle to the top of the building, the support blocks 1 of adjacent floors are deflected by 2.8° in the horizontal plane layer by layer. In the lower section, from the middle to the bottom of the building, the support blocks 1 of adjacent floors are deflected by 2.8° in the opposite direction in the horizontal plane layer by layer. That is, the support blocks 1 in the upper and lower sections are inclined relative to the floor slab, and the inclination direction of the support blocks 1 in the upper section is opposite to that of the support blocks 1 in the lower section. The protruding end of the support block 1 includes a first side and a second side, both of which are inclined to the floor slab.

[0053] refer to Figure 1 and Figure 2 The keel 2 includes columns 21 and beams 22. The columns 21 are vertically installed on the floor slabs via connectors, and the columns 21 and the first side of the support base 1 are abutted and fixedly connected. Multiple columns 21 are spaced apart, and the beams 22 are fixedly connected to adjacent columns 21. The beams 22 and columns 21 are spliced ​​to form a rectangular frame, and the glass panels 3 are installed within the rectangular frame. Due to the inclined arrangement of the support bases 1 in the upper and lower areas of the building, the glass panels 3 present a sawtooth shape (i.e., a zigzag shape) on the same plane. The glass panels 3 of each floor are deflected by 2.8° from the glass panels 3 of the adjacent floors, forming a structure that gradually deflects upwards and downwards from the middle of the building. The sawtooth twist shape improves the sun-shading performance of the curtain wall and reduces the building's energy consumption.

[0054] refer to Figure 3 and Figure 4 An operable window 4 is installed between the supporting base blocks 1 of adjacent floors. Specifically, the operable window 4 is installed on the second side of the supporting base block 1, and the glass panel 3, operable window 4, and floor slab form a triangular structure in the plane. In this embodiment, the operable window 4 is a concealed casement window. The operable window 4 includes a supporting frame and a window body. One side of the window body is hinged to the supporting frame. Rotating the window body inwards allows for connection between the interior and exterior.

[0055] refer to Figure 2 Decorative strips 5 and finishing plates 6 are installed between adjacent support bases. Finishing plates 6 are fixedly connected to the floor slab and are vertically arranged. Decorative strips 5 are fixedly connected to the columns 21 and the side of finishing plates 6 away from the floor slab.

[0056] refer to Figure 4 A sealing plate 9 is installed between adjacent supporting bases. The sealing plate 9 is fixedly connected to the floor slab and is vertically arranged. The sealing plate 9 is fixedly connected to the end plate 6 and the operable fan 4 respectively. There is a gap between the sealing plate 9 and the decorative strip 5, so that the operable fan 4, the decorative strip 5, the end plate 6 and the sealing plate 9 form a ventilation channel. The decorative strip 5 has ventilation holes 51. Outside air enters the ventilation channel through the ventilation holes 51. When the operable fan 4 is opened, outside air can circulate into the room.

[0057] refer to Figure 2 and Figure 4 The ventilation duct is equipped with an opening / closing plate 7 and a support rod 8. One side of the opening / closing plate 7 is hinged to a closing plate 6, which has a ventilation hole 61. The opening / closing plate 7 can open and close the ventilation hole 61. The support rod 8 is hinged to one side of the opening / closing plate 7 and the window of the opening fan 4. When the window of the opening fan 4 is rotated, the opening / closing plate 7 moves synchronously, thereby opening the ventilation hole 61 and increasing the ventilation volume in the ventilation duct. In windy weather, when the opening fan 4 is closed, the opening / closing plate 7 closes the ventilation hole 61 simultaneously, reducing the amount of wind entering the ventilation duct and improving the structural safety.

[0058] The implementation principle of the breathing-type twisted zigzag unitized curtain wall in Embodiment 1 of this application is as follows: the glass panel 3 of each layer has a sawtooth shape, which can reduce the light entering the room and improve the sun-shading performance of the curtain wall. Outside air can enter the ventilation channel through the ventilation holes 51 and vents 61, and then enter the room through the operable fan 4, thereby improving ventilation performance.

[0059] Example 2:

[0060] Embodiment 2 of this application provides a construction method for a breathing-type torsion zigzag unitized curtain wall, using the breathing-type torsion zigzag unitized curtain wall in Embodiment 1.

[0061] refer to Figure 5 It includes the following steps:

[0062] S1): 3D modeling: Performing 3D laser scanning of the building structure to construct a 3D model. Step S1 includes:

[0063] S11: Control point layout: First, select the control points to be determined on the electronic plan, and then determine the number of actual control points at the actual work site so that the control points to be determined correspond to the actual control points; in this embodiment, a prism-free total station is used for control measurement.

[0064] S12: Point cloud data acquisition: Perform contour scanning of the building structure on the ground and rooftop; Step S12 specifically includes:

[0065] S121: Target coordinate measurement: First, the field coordinate system of the target at each station is obtained by measuring with a prism-free total station. Then, the instrument coordinate system obtained by three-dimensional laser scanning is converted into the field coordinate system through three or more target points.

[0066] S122: Target scanning. During subsequent data processing, the data from each station needs to be stitched together to form a complete 3D point cloud. At least 3 targets need to be set up for each station, and a prism-free total station needs to be used to measure them to obtain their 3D coordinates.

[0067] S123: Substation Scanning. Taking line-of-sight and coverage into full consideration, different stations are set up to acquire 3D laser point clouds. When selecting stations, the distance between stations is determined based on factors such as building corners to minimize data omissions. Preprocessing of the point cloud data generally involves processing the raw data, checking its consistency and integrity, removing noise, filling in missing points, and eliminating impurities.

[0068] S13: Data Processing: Remove noise points and redundant data from the point cloud data. Specifically, step S13 includes:

[0069] S131: Coordinate System Transformation: The data in the 3D laser scanner is centered at the current survey station. After the data scanning is completed, the scanned point cloud data should be converted into site coordinates. During the transformation, at least three targets need to be scanned at each survey station as reference points for coordinate system transformation, correction, and registration. After registration is completed, the coordinate transformation between the two coordinate systems is finished. The transformation standard deviation should be controlled at around 2mm to meet the requirements for glass curtain wall modeling.

[0070] S132: Remove redundant data from point cloud data.

[0071] S14: Export the point cloud data to 3D software for modeling.

[0072] S2): Curtain wall detailed design: Determine the curtain wall size, adjust the 3D model to ensure that the curtain wall does not conflict with the main structure, doors, windows and other facilities; conduct detailed design of the shape, size and connection method of the unit panels of the building's internal and external corners, door and window openings, eaves and other parts; number the unit panels of different shapes or sizes independently for easy use.

[0073] S3): Curtain wall processing and fabrication;

[0074] S4): Installation of hoisting system: Install guide rails at the top structural beams of the building and slide the hoist on the guide rails;

[0075] S5): Curtain wall installation, including:

[0076] S51: Multiple support blocks 1 are installed at intervals on the floor slab. The side of the support block 1 is inclined to the side of the floor slab. The support block 1 has a first side and a second side extending from the floor slab.

[0077] S52: Install the keel 2 on the first side and the opening fan 4 on the second side; Step S52 also includes: S521: Connector installation: Install connectors on the side of the floor slab; S522: Column 21 installation: Install the column 21 on the connector, so that the column 21 abuts against the support base block 1, so that the column 21 is installed sequentially from the bottom of the building to the top of the building; S523: Beam 22 installation: Use beams 22 to connect adjacent columns 21.

[0078] S53: Install sealing plates 9 and termination plates 6 on the floor slab, so that the operable fan 4 and termination plates 6 are spaced apart. Install decorative strips 5 between the operable fan 4 and termination plates 6, so that the sealing plates 9 and decorative strips 5 are spaced apart. A ventilation channel is formed between the operable fan 4, decorative strips 5, termination plates 6 and sealing plates 9. Multiple ventilation holes 51 are opened on the decorative strips 5.

[0079] S54: Hoist the glass panel 3 and install it on the keel 2.

[0080] S55: Install a sealing strip between adjacent glass panels 3 and apply sealant to the joint.

[0081] S6): Inspection and Acceptance: Spray water on the outside of the curtain wall to check its airtightness.

[0082] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A construction method for a breathing-type twisted zigzag unitized curtain wall, characterized in that: Includes the following steps: S1: 3D Modeling: Performing 3D laser scanning on the building structure to construct a 3D model; S2: Curtain wall detailed design: Determine curtain wall dimensions and adjust the 3D model; S3: Curtain wall processing and fabrication; S4: Installation of hoisting system: Install guide rails at the top structural beams of the building and slide the hoist on the guide rails; S5: Curtain wall installation, including: S51: Installing multiple support base blocks (1) at intervals on the floor slab, the side of the support base block (1) is inclined to the side of the floor slab, and the support base block (1) extends from the floor slab with a first side and a second side; S52: Installing the keel (2) on the first side and installing the opening fan (4) on the second side; S53: Installing the sealing plate (9) and the closing plate (6) on the floor slab, so that the opening fan (4) and the closing plate (6) are spaced apart, and installing the decorative strip (5) between the opening fan (4) and the closing plate (6), so that the sealing plate (9) and the decorative strip (5) are spaced apart; and forming a ventilation groove between the opening fan (4), the decorative strip (5), the closing plate (6) and the sealing plate (9), and opening multiple ventilation holes (51) on the decorative strip (5); S54: Hoisting the glass panel (3) and installing it on the keel (2); The glass panels (3) of each floor of the building present a sawtooth shape on the same plane. The glass panels (3) of each floor of the building have a deflection amount with the adjacent floors, forming a building facade structure that is deflected and twisted in two directions, upward and downward, from the middle floor. The end cap (6) has multiple ventilation holes (61); The closing plate (6) is hinged to an opening and closing plate (7), which can open and close the ventilation hole (61). The opening direction of the opening and closing plate (7) is the same as the opening direction of the opening fan (4). A support rod (8) is provided between the opening fan (4) and the opening and closing plate (7), and the support rod (8) is hinged to the opening fan (4) and the opening and closing plate (7) respectively.

2. The construction method for a breathing-type torsion-fold line unitized curtain wall according to claim 1, characterized in that: The building floors are divided into upper, middle and lower sections from top to bottom. The glass panel (3) in the middle section is parallel to the front of the building. For the upper region, from the middle to the top of the building, the supporting base blocks (1) of adjacent layers are deflected by 2.8° on the horizontal plane layer by layer; For the lower region, from the middle to the bottom of the building, the supporting base blocks (1) of adjacent layers are deflected 2.8° in opposite directions on the horizontal plane.

3. The construction method for a breathing-type torsion-fold line unitized curtain wall according to claim 1, characterized in that: Install sealing strips between vertically adjacent glass panels (3) and apply sealant to the joints.

4. The construction method for a breathing-type twisted zigzag unitized curtain wall according to claim 1, characterized in that: Step S1 includes: S11: Control point layout: First, select the control points to be determined on the electronic plan, and then determine the number of actual control points at the actual work site so that the control points to be determined correspond to the actual control points; S12: Point cloud data acquisition: Scan the outline of the building structure on the ground and rooftop; S13: Data processing: Remove noise points and redundant data from point cloud data; S14: Export the point cloud data to 3D software for modeling.

5. The construction method for a breathing-type torsion-fold line unitized curtain wall according to claim 1, characterized in that: Step S52 includes: S521: Connector installation: Install connectors on the side of the floor slab; S522: Column (21) installation: Install the column (21) on the connector so that the column (21) abuts against the support base block (1) and install the column (21) sequentially from the bottom of the building to the top of the building; S523: Beam (22) installation: Use beam (22) to connect adjacent columns (21).

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