CN114541570A - A kind of organ-type exterior facade structure and construction method - Google Patents

Abstract

The invention relates to an organ-type exterior facade structure and a construction method, belonging to the technical field of building construction. The method includes S1, confirming the installation position of the formwork on the floor according to the architectural planning positioning drawing and the construction plan; S2, supporting the formwork according to the construction plan at the installation position of the formwork; S3, pouring concrete in the formwork; S4, placing the concrete After the strength reaches 100%, the upper cantilever slab formwork, the lower cantilever slab formwork and the cantilever beam formwork are all removed; S5. A block firewall is built between the upper cantilever slab and the lower cantilever slab, and the block firewall and the The upper cantilever plate and the lower cantilever plate form a triangular prism structure. Through the improvement of the invention, the problem of the formwork support system is solved, the construction difficulty is reduced, the formwork waste is avoided, the construction operation is standardized, and the work efficiency is improved; It is difficult to dismantle the triangular formwork box and cannot meet the engineering needs”.

Description

A kind of organ-type exterior facade structure and construction method

technical field

The invention relates to an organ-type exterior facade structure and a construction method, and belongs to the technical field of building construction.

Background technique

The building façade refers to the interface between the building and the external space of the building, as well as the image and composition of the building; the building façade is divided into the building exterior facade and the building interior facade. The reference to the façade includes all parts of the building's outer envelope except the roof.

Buildings such as airports have created and designed the facades of the buildings. Through the excellent design of the architects, an organ-style facade structure has appeared (the cantilevered panels are zigzag, and the curtain wall fireproof panels are hung below).

However, in the construction process of the organ-type facade structure, the triangular formwork box needs to be processed when the formwork is supported. The traditional construction method is difficult to construct, low in efficiency, difficult to dismantle the triangular formwork box, and difficult to guarantee the quality, which cannot meet the requirements of this project. need.

SUMMARY OF THE INVENTION

In order to solve the problem that the triangular formwork box in the conventional construction method is difficult to dismantle and cannot meet the engineering requirements in the above-mentioned prior art, the present invention provides an organ-type façade structure and a construction method.

The construction method of an organ-type facade structure provided by the present invention adopts the following technical solutions:

A construction method for manufacturing an organ-style exterior façade structure, comprising:

S1. Confirm the installation position of the formwork on the floor according to the architectural planning positioning drawing and construction plan;

S2, at the installation position of the template, according to the construction plan, support the template; the template includes an upper-layer cantilever plate template, a lower-layer cantilever plate template and a cantilever beam template, the upper-layer cantilever plate template and all The lower-layer cantilever plate formwork has the same shape and size, and the cross-sections along the horizontal direction are all triangles; one end of the cantilever beam formwork is horizontally supported at the formwork installation position; the lower-layer cantilever plate formwork and the upper-layer cantilever plate formwork The cantilever plate formwork is horizontally supported on the other end of the cantilever beam formwork, the bottom surface of the lower layer cantilever plate formwork is flush with the bottom surface of the cantilever beam formwork, and the highest point of the upper layer cantilever plate is parallel to the bottom surface of the cantilever beam formwork. The highest point of the cantilever beam formwork is flush;

S3, pouring concrete in the upper cantilever plate formwork, the lower cantilever plate formwork and the cantilever beam formwork;

S4, after the concrete strength reaches 100%, remove the upper cantilever slab formwork, the lower cantilever slab formwork and the cantilever beam formwork to form an upper cantilever slab, a lower cantilever slab and a cantilever beam ;as well as,

S5. A block fire wall is built between the upper layer cantilever plate and the lower layer cantilever plate, and the block fire wall, the upper layer cantilever plate and the lower layer cantilever plate form a triangular prism structure.

By adopting the above technical solutions, the façade structure is optimized, and a lower cantilever plate is added under the upper cantilever plate to form a double-layer cantilever plate; the production can be completed by using a standardized cantilever plate formwork, and there is no need to make a triangular formwork box. , solve the problem of formwork support and reduce the difficulty of construction; when the upper cantilever plate and the lower cantilever plate are formed, the block fire wall is built to avoid the waste of formwork; the upper cantilever plate, the lower cantilever plate and the cantilever beam Pouring together makes the construction process more standardized, improves work efficiency, and speeds up the progress of the project.

Preferably, before the step S1, it also includes:

Through Revit software, the BIM model of the organ-style facade structure and the construction main structure model were established, and three-dimensional simulation experiments were carried out to test whether the construction plan was feasible.

By adopting the above technical solutions, the ill-considered areas in the construction plan can be discovered in advance, adjusted and optimized in advance, and problems after construction can be avoided.

Preferably, the S1 includes:

S101, according to the architectural planning positioning diagram and the construction plan, according to the floor axis measurement hole to guide the control line of the main axis of the building;

S102, taking the control line as a starting point, determining the position axis of the cantilever beam on the floor;

S103 , according to the position axis of the cantilever beam, determine the position dimension line of the cantilever beam and the formwork control line on the floor, and determine the formwork installation position.

By adopting the above technical solution, the installation and calibration of the template are facilitated.

Preferably, the S2 includes:

S201. According to construction requirements and building specifications, erect scaffolding;

S202, in the described template installation position, according to the described construction plan, support the template; horizontally support the lower layer cantilever plate template and the upper layer cantilever plate template on the other end of the cantilever beam template, The bottom surface of the lower cantilever plate formwork is flush with the bottom surface of the cantilever beam formwork, and the highest point of the upper layer cantilever plate is flush with the highest point of the cantilever beam formwork; the lower layer cantilever plate formwork The bottom surface and the bottom surface of the upper cantilever plate formwork are connected with the side surface of the other end of the cantilever beam formwork;

The bottom surface of the lower layer cantilevered plate formwork and the bottom surface of the upper layer cantilevered plate formwork are connected with the side surface of the other end of the cantilever beam formwork;

S203 , placing a support member for supporting the upper layer cantilever plate formwork on the lower layer cantilever plate formwork.

Preferably, the support frame includes a concrete block and a wooden block; the wooden block is placed on top of the concrete block;

The concrete strength of the concrete block is the same as that of the lower cantilever slab;

The thickness of the concrete block is the same as the thickness of the lower cantilever plate, the sum of the thickness of the concrete block and the wood strip and the distance between the upper cantilever plate mould and the lower cantilever plate mould same.

By adopting the above technical solution, the support can be prevented from being taken out after the lower cantilever slab is poured.

Preferably, the scaffold is a fastener type formwork scaffold.

Preferably, the materials of the upper cantilever plate formwork, the lower cantilever plate formwork and the cantilever beam formwork are all multi-layer plywood.

By adopting the above technical solution, the surface appearance of the upper-layer cantilever plate, the lower-layer cantilever plate and the cantilever beam can be improved, and the engineering quality can be ensured.

The present invention also provides an organ-type façade structure manufactured by the above-mentioned construction method of the organ-type façade structure, and adopts the following technical scheme:

An organ-type façade structure manufactured by the above-mentioned organ-type façade structure construction method, comprising an upper-layer cantilever plate, a lower-layer cantilever plate and a cantilever beam;

The upper-layer cantilever plate and the lower-layer cantilever plate have the same shape and size, and both are triangles;

The cantilever beam is horizontally arranged on the floor;

The upper cantilever plate is horizontally arranged at one end of the cantilever beam away from the floor, and the upper surface of the upper layer cantilever plate is flush with the upper surface of the cantilever beam; the lower layer cantilever plate is horizontal is arranged at one end of the cantilever beam away from the floor, and the bottom surface of the lower-layer cantilever plate is flush with the bottom surface of the cantilever beam;

A block fire wall is vertically arranged between the upper layer cantilever plate and the lower layer cantilever plate, and the block fire wall, the upper layer cantilever plate and the lower layer cantilever plate form a triangular prism structure.

By adopting the above technical solution, a double-layer cantilevered plate is formed, which simplifies the formwork support scheme used in the production of the upper-layer cantilevered plate and the lower-layer cantilevered plate.

Preferably, the number of the upper layer cantilever plate and the lower layer cantilever plate is several;

Both the upper-layer cantilever plate and the lower-layer cantilever plate are uniformly distributed along the length direction of the cantilever beam.

Preferably, the upper cantilever plate, the lower cantilever plate and the cantilever beam are all concrete structures;

The material of the block fire wall is aerated concrete blocks.

To sum up, the present invention has the following beneficial technical effects:

1. There is no need to make a triangular formwork box, and the standard cantilever plate formwork can be used to complete the production, which simplifies the formwork support scheme, solves the difficult problem of formwork dismantling, reduces the construction difficulty, saves materials, and speeds up the construction speed;

2. The construction process is more standardized, the work efficiency is improved, and the project progress is accelerated;

3. Be able to discover in advance the ill-considered places in the construction plan, adjust and optimize in advance, and avoid problems after construction;

4. It is convenient for the installation and calibration of the template;

5. Improve the appearance of the upper cantilever plate, the lower cantilever plate and the cantilever beam to ensure the quality of the project. Description of drawings

1 is a schematic flowchart of an embodiment of the present application;

2 is a schematic structural diagram of an embodiment of the present application;

FIG. 3 is a schematic side view of FIG. 2 .

Description of reference numerals: 1. Upper cantilever slab; 2. Lower cantilever slab; 3. Block fire wall; 4. Cantilever beam.

Detailed ways

The present invention will be described in further detail below in conjunction with accompanying drawings 1-3.

The embodiment of the invention discloses an organ-type exterior facade structure and a construction method.

As shown in Figure 1, a construction method for manufacturing an organ-style façade structure includes:

S1. Confirm the installation position of the formwork on the floor according to the construction drawings; specifically, step S1 includes:

S101. According to the construction drawings, the control line of the main axis of the building is guided according to the floor axis measurement hole;

S102, take the control line as the starting point, determine the position axis of the cantilever beam on the floor;

S103, according to the position axis of the cantilever beam, determine the position dimension line of the cantilever beam and the formwork control line on the floor, and determine the formwork installation position;

Before step S1, it also includes:

According to the construction drawings, through the Revit software, establish the BIM model of the organ-style facade structure and the construction main structure model and conduct 3D simulation experiments to check whether the construction plan is feasible; through the simulation construction function of the Revit software, check whether the construction plan is feasible; if feasible , then determine the construction plan; if it is not feasible, adjust and optimize the construction plan in advance to avoid problems after construction;

S2. At the installation position of the formwork, according to the construction drawings, the formwork is supported; the formwork includes the upper cantilever plate formwork, the lower layer cantilever plate formwork and the cantilever beam formwork, the upper layer cantilever plate formwork and the lower layer cantilever plate formwork are the same in shape and size, along the The cross-sections in the horizontal direction are all triangles; the lower-layer cantilever plate formwork and the upper-layer cantilever plate formwork are horizontally supported at the other end of the cantilever beam formwork, and the bottom surface of the lower-layer cantilever plate formwork is flush with the bottom surface of the cantilever beam formwork , the highest point of the upper cantilever plate is flush with the highest point of the cantilever beam formwork; specifically, step S2 includes:

S201. According to construction requirements and building specifications, erect scaffolding;

S202, at the installation position of the formwork, according to the construction plan, support the formwork; horizontally support the lower-layer cantilever plate formwork and the upper-layer cantilever-plate formwork on the bottom surface of the lower cantilever plate formwork and the cantilever beam at the other end of the cantilever beam formwork The bottom surface of the formwork is flush, and the highest point of the upper cantilever plate is flush with the highest point of the cantilever beam formwork; the bottom surface of the lower layer cantilever plate formwork and the bottom surface of the upper layer cantilever plate formwork are connected with the side of the other end of the cantilever beam formwork; the lower layer The bottom surface of the cantilever plate formwork and the bottom surface of the upper cantilever plate formwork are connected with the side surface of the other end of the cantilever beam formwork;

S203, placing a support for supporting the upper-layer cantilevered plate formwork on the lower-layer cantilevered plate formwork;

Among them, the scaffold is a fastener type formwork scaffold, the vertical and horizontal spacing of the frame body is 1100mm, the step distance is 1500mm, the adjustable upper and lower supports are adopted, and the free end is 500mm. A channel steel backing plate is added under the vertical pole of the support frame, the bottom sweeping pole is 200mm from the ground, vertical and horizontal scissor braces are installed every 5 spans, and horizontal through-length scissors braces are installed every three steps; upper cantilever plate template, lower cantilever plate The material of the formwork and the cantilever beam formwork are multi-layer plywood; the supports include concrete blocks and wooden squares; the wooden squares are placed on the concrete blocks; the concrete strength of the concrete blocks and the lower cantilever slab is the same; the thickness of the concrete block is the same as that of the lower cantilever. The thickness of the slab is the same, and the sum of the thickness of the concrete block and the wooden strip is the same as the distance between the upper cantilever plate mould and the lower cantilever plate mould;

S3. Concrete is poured in the upper cantilever slab formwork, the lower cantilever slab formwork and the cantilever beam formwork;

S4. After the concrete strength reaches 100%, the upper cantilever plate formwork, the lower cantilever plate formwork and the cantilever beam formwork are all removed to form the upper layer cantilever plate 1, the lower layer cantilever plate 2 and the cantilever beam 4; wherein, Before removing the formwork, you must fill in the formwork removal application. During the removal of the formwork, if any abnormality in the concrete is found, which may affect the safety and quality of the concrete structure, the formwork removal should be stopped immediately; and,

S5. A block fire wall 3 is built between the upper cantilever plate 1 and the lower cantilever plate, and the block fire wall 3 forms a triangular prism structure with the upper cantilever plate 1 and the lower cantilever plate 2; wherein, M5 masonry mortar is used. Masonry Block Firewall 3.

As shown in Figure 2-3, an organ-type façade structure includes an upper cantilever plate 1, a lower layer cantilever plate 2 and a cantilever beam 4; the upper layer cantilever plate 1 and the lower layer cantilever plate 2 have the same shape and size The cantilever beam 4 is horizontally arranged on the floor; the upper floor cantilever plate 1 is horizontally arranged at one end of the cantilever beam 4 away from the floor, and the upper surface of the upper floor cantilever plate 1 is flush with the upper surface of the cantilever beam 4; The lower cantilever plate 2 is horizontally arranged at one end of the cantilever beam 4 away from the floor, and the bottom surface of the lower layer cantilever plate 2 is flush with the bottom surface of the cantilever beam 4; the upper layer cantilever plate 1 and the lower layer cantilever plate 2 are along the cantilever beam. The midpoint of the thickness direction of 4 is symmetrically arranged; a block fire wall 3 is vertically arranged between the upper layer cantilever plate 1 and the lower layer cantilever plate 2, and the block fire wall 3, the upper layer cantilever plate 1 and the lower layer cantilever plate 2 form three parts. Prismatic structure.

The upper layer cantilever plate 1 and the lower layer cantilever plate 2 are both in number, and are evenly distributed along the length direction of the cantilever beam 4 to form a zigzag structure.

In this embodiment, the upper layer cantilever plate 1, the lower layer cantilever plate 2 and the cantilever beam 4 are all concrete structures, and the block fire wall 3 is made of aerated concrete blocks.

Each embodiment in this specification is described in a progressive manner, and the same and similar parts between the various embodiments may be referred to each other, and each embodiment focuses on the differences from other embodiments.

The above are the preferred embodiments of the present invention, and do not limit the protection scope of the present invention accordingly. Therefore: all equivalent changes made according to the structure, shape and principle of the present invention should be covered within the protection scope of the present invention. .

Claims (10)

1. a construction method of an organ-type façade structure, is characterized in that, comprises: S1. Confirm the installation position of the formwork on the floor according to the architectural planning positioning drawing and construction plan; S2, at the installation position of the template, according to the construction plan, support the template; the template includes an upper-layer cantilever plate template, a lower-layer cantilever plate template and a cantilever beam template, the upper-layer cantilever plate template and all The lower-layer cantilever plate formwork has the same shape and size, and the cross-sections along the horizontal direction are all triangles; one end of the cantilever beam formwork is horizontally supported at the formwork installation position; the lower-layer cantilever plate formwork and the upper-layer cantilever plate formwork The cantilever plate formwork is horizontally supported on the other end of the cantilever beam formwork, the bottom surface of the lower layer cantilever plate formwork is flush with the bottom surface of the cantilever beam formwork, and the highest point of the upper layer cantilever plate is parallel to the bottom surface of the cantilever beam formwork. The highest point of the cantilever beam formwork is flush; S3, pouring concrete in the upper cantilever plate formwork, the lower cantilever plate formwork and the cantilever beam formwork; S4. After the concrete strength reaches 100%, the upper-layer cantilever plate formwork, the lower-layer cantilever plate formwork and the cantilever beam formwork are all removed to form an upper-layer cantilever plate (1) and a lower-layer cantilever plate (1). 2) and the cantilever beam (4); and, S5. A block fire wall (3) is built between the upper layer cantilever plate (1) and the lower layer cantilever plate (2), and the block fire wall (3) is connected to the upper layer cantilever plate (1). ) and the lower cantilever plate (2) to form a triangular prism. 2. The construction method of the organ-type façade structure according to claim 1, characterized in that: before the step S1, the method further comprises: Through Revit software, the BIM model of the organ-style facade structure and the construction main structure model were established, and three-dimensional simulation experiments were carried out to test whether the construction plan was feasible. 3. The construction method of the organ-type façade structure according to claim 2, wherein the S1 comprises: S101, according to the architectural planning positioning diagram and the construction plan, according to the floor axis measurement hole to guide the control line of the main axis of the building; S102, taking the control line as a starting point, draw out the position axis of the cantilever beam on the floor; S103, according to the position axis of the cantilever beam, draw out the position dimension line of the cantilever beam and the template control line on the floor, and determine the installation position of the template. 4. the construction method of organ-type facade structure according to claim 3, is characterized in that, described S2 comprises: S201. According to construction requirements and building specifications, erect scaffolding; S202, in the described formwork installation position, according to the described construction plan, support the formwork; horizontally support the lower-layer cantilever plate formwork and the upper-layer cantilever plate formwork on the other end of the cantilever beam formwork, The bottom surface of the lower cantilever plate formwork is flush with the bottom surface of the cantilever beam formwork, and the highest point of the upper layer cantilever plate is flush with the highest point of the cantilever beam formwork; the lower layer cantilever plate formwork The bottom surface and the bottom surface of the upper cantilever plate formwork are connected with the side surface of the other end of the cantilever beam formwork; S203 , placing a support member for supporting the upper layer cantilever plate formwork on the lower layer cantilever plate formwork. 5. The construction method of the organ-type façade structure according to claim 4, wherein the support frame comprises a concrete block and a wooden block; the wooden block is placed on top of the concrete block; The concrete strength of the concrete block is the same as that of the lower cantilever slab; The thickness of the concrete block is the same as the thickness of the lower cantilever plate, the sum of the thickness of the concrete block and the wood strip and the distance between the upper cantilever plate mould and the lower cantilever plate mould same. 6. The construction method of the organ-type façade structure according to claim 5, wherein the scaffold is a fastener-type formwork scaffold. 7. The construction method of the organ-type façade structure according to claim 6, wherein the material of the upper-layer cantilevered plate formwork, the lower-layer cantilevered plate formwork and the cantilevered beam formwork are all made of various materials. Layer plywood. 8. An organ-type façade structure manufactured by the construction method of the organ-type façade structure described in any one of claims 1-7, characterized in that it comprises an upper-layer cantilever plate (1), a lower-layer cantilever plate plate (2) and cantilever beam (4); The upper-layer cantilever plate (1) and the lower-layer cantilever plate (2) have the same shape and size, and both are triangles; The cantilever beam (4) is horizontally arranged on the floor; The upper cantilever plate (1) is horizontally arranged at one end of the cantilever beam (4) away from the floor, and the upper surface of the upper cantilever plate (1) is in contact with the upper surface of the cantilever beam (4). The upper surface is flush; the lower cantilever plate (2) is horizontally arranged at one end of the cantilever beam (4) away from the floor, and the bottom surface of the lower cantilever plate (2) is connected to the cantilever beam (4) The bottom surface is flush; the upper cantilever plate (1) and the lower cantilever plate (2) are symmetrically arranged along the midpoint of the thickness direction of the cantilever beam (4); A block fire wall (3) is vertically arranged between the upper layer cantilever plate (1) and the lower layer cantilever plate (2), the block fire wall (3) and the upper layer cantilever plate (1) and the lower cantilever plate (2) to form a triangular prism structure. 9. The organ-type façade structure according to claim 8, wherein the number of the upper cantilever plate (1) and the lower cantilever plate (2) is several; Both the upper-layer cantilever plate (1) and the lower-layer cantilever plate (2) are evenly distributed along the length direction of the cantilever beam (4). 10. The organ-type façade structure according to claim 9, wherein the upper cantilever plate (1), the lower cantilever plate (2) and the cantilever beam (4) are all concrete structure; The block fire wall (3) is made of aerated concrete blocks.

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