CN105178589A - Novel building system and method for commercial building - Google Patents

Abstract

The invention provides a novel building system and a method for a commercial building, wherein the building system comprises a core cylinder part and a peripheral part, wherein the core cylinder part is higher than the peripheral part by at least three layers; the core tube part comprises a core tube aluminum mould system, a core tube shed frame supporting system, an elevator shaft steel mould system and a core tube outer wall steel mould system, and the peripheral part comprises a peripheral aluminum mould system, a peripheral shed frame supporting system and a peripheral outer wall protection screen system. The building method includes a core barrel section building step including a first core barrel section building step and a second core barrel section building step, and a peripheral section building step including a first peripheral section building step and a second peripheral section building step. The invention can effectively reduce the whole construction period of the building, improve the whole building quality and reduce the construction cost of the commercial building.

Description

New construction system and method for commercial buildings

technical field

The invention belongs to the technical field of construction engineering, and in particular relates to a new construction system and method for a commercial building.

Background technique

The existing high-rise commercial building construction system is generally divided into two parts for construction due to the high floor height, many changes in floor height, and many changes in floor thickness; namely, the core tube part and the peripheral part. The core tube part is mainly composed of core tube wall columns, core tube stairs, core tube floors, elevator shafts and core tube exterior walls, wherein the core tube wall columns, core tube stairs, and core tube floors mainly use traditional wooden molds, and the elevator shaft Wooden formwork is mainly used, and the outer wall of the core tube mainly adopts the combination of wooden formwork and row grid as the outer wall protection. The peripheral part is mainly composed of peripheral wall columns, peripheral stairs, peripheral floors and peripheral exterior walls, of which the peripheral wall columns, peripheral stairs, and peripheral floors are mainly made of traditional wood formwork, and the peripheral exterior walls are made of a combination of wood formwork and grids. perimeter protection. Both the core tube part and the peripheral part are supported by steel frames during construction.

The problems existing in the existing high-rise commercial building construction system are: 1. During the construction process of traditional wooden formwork, a large amount of construction waste is easy to be generated, which is not environmentally friendly, and requires a lot of labor, and the smoothness of the concrete surface after construction is low; 2. Using The steel frame support is not only inconvenient to operate, but also has poor load-bearing effect; 3. The outer wall of the core tube adopts a combination of wooden formwork and row grid for protection, and the construction flatness of the wooden formwork of the outer wall is low; 4. The peripheral outer wall The traditional grid row frame cannot be constructed at the same time as the curtain wall.

Contents of the invention

The invention provides a new construction system and method for a commercial building, which can effectively reduce the overall construction period of the building, improve the overall building quality, and reduce the construction cost of the commercial building.

In order to solve the above technical problems, the technical solution adopted by the present invention is: a new type of construction system for commercial buildings, including a core tube part and a peripheral part, the core tube part is at least three floors higher than the peripheral part; the core tube part It includes a core tube aluminum formwork system, a core tube scaffold support system supporting the core tube aluminum formwork system, an elevator shaft steel formwork system, and a core tube exterior wall steel formwork system arranged outside the core tube aluminum formwork system; The peripheral part includes a peripheral aluminum mold system, a peripheral shelving support system supporting the peripheral aluminum mold system, and a peripheral outer wall protection system arranged outside the peripheral aluminum mold system.

Further, the core-tube aluminum formwork system is composed of core-tube aluminum-formwork structure wall columns, core-tube aluminum-formwork structure beam slabs, core-tube aluminum-formwork structure floors and core-tube aluminum-formwork structure stairs.

Further, the elevator shaft steel formwork system consists of a steel formwork structure shaft wall and an elevator shaft steel formwork workbench.

Further, the steel formwork system for the outer wall of the core tube is composed of a wall-climbing workbench and a wall-climbing steel formwork.

Further, the peripheral aluminum formwork system is composed of peripheral aluminum formwork structural wall columns, peripheral aluminum formwork structure beams, peripheral aluminum formwork structure floor slabs and peripheral aluminum formwork structure stairs.

Further, the peripheral exterior wall protection system is a peripheral exterior wall protection screen system.

Specifically, the peripheral external wall protection screen system is composed of a protection screen composed of a peripheral working platform and a peripheral protection guardrail.

Specifically, the protective screen formed by the outer protective barrier has three or four layers.

In order to solve the above-mentioned technical problems, the technical solution adopted by the present invention is: a new construction method of a commercial building, which includes the construction steps of the core tube part and the construction steps of the peripheral part, and the construction step of the core tube part includes the first core tube part The construction step of the second core tube part and the construction step of the second core tube part, the construction step of the peripheral part includes the construction step of the first peripheral part and the construction step of the second peripheral part, when the core tube part is higher than the peripheral part by at least For three layers, the construction of the first core tube part, the second core tube part, the first peripheral part and the second peripheral part is carried out simultaneously.

Further, the simultaneous construction process of the first core tube part, the second core tube part, the first peripheral part and the second peripheral part includes four construction stages, specifically including:

S1. Install the wall column aluminum formwork in the first core tube part; perform floor steel bar binding and wall column steel bar binding in sequence in the second core tube part; perform concrete pouring in the first peripheral part; The second peripheral part is followed by floor aluminum formwork installation and beam aluminum formwork installation, and floor steel bar binding is carried out on the floor aluminum formwork;

S2. Install floor aluminum formwork and beam aluminum formwork on top of the completed wall column aluminum formwork in the first core tube part, and bind floor steel bars on the floor aluminum formwork; perform concrete pouring in the second core tube part Install the wall column aluminum formwork on the first peripheral part, install the floor slab aluminum formwork and the beam aluminum formwork on the top of the wall column aluminum formwork in sequence; perform floor slab steel bar binding and lift the peripheral outer wall in sequence on the second peripheral part protection system, and then the wall column reinforcement binding;

S3. Perform floor reinforcement binding and wall column reinforcement binding in sequence in the first core tube part; install wall column aluminum formwork in the second core tube part; install floor aluminum formwork and beams in sequence in the first peripheral part Aluminum formwork, binding the floor slab steel bars on the aluminum formwork of the floor slab; pouring concrete on the second peripheral part;

S4. Concrete pouring is performed on the first core tube part; floor aluminum formwork and beam aluminum formwork are sequentially installed on the top of the completed wall column aluminum formwork of the second core tube part, and floor steel bars are bound on the floor aluminum formwork Carry out the promotion of the peripheral external wall protection system in the first peripheral part, and carry out the binding of the floor steel bar and the wall column steel bar in sequence; carry out the installation of the wall column aluminum formwork in the described second peripheral part, and install the wall column aluminum formwork on the top of the wall column aluminum formwork Install floor aluminum formwork and beam aluminum formwork in sequence.

The advantages and positive effects that the present invention has are:

1. The present invention adopts the core cylinder aluminum mold system and the peripheral aluminum mold system to construct commercial buildings. Compared with the traditional wooden mold system, the aluminum mold system has good stability, high bearing capacity, easy installation, and the construction process is environmentally friendly. After construction, the concrete High surface flatness;

2. The present invention uses the core tube scaffold support system and the peripheral scaffold support system to support the aluminum mold system, which has good load-bearing effect, simple operation, and can quickly complete various supports due to changes in floor height and thickness;

3. The present invention adopts the steel formwork system of the elevator shaft and the steel formwork system of the outer wall of the core tube, which can operate independently with the help of the tower crane, thereby reducing the number of construction personnel;

4. The present invention adopts the protective structure composed of the peripheral external wall protective screen system. Compared with the protective structure composed of traditional wooden formwork and row grid, the unique three-layer or four-layer protective screen structure not only ensures the safety of construction It is flexible and does not occupy the construction space of the glass curtain wall, thus effectively reducing the overall construction period;

5. The new construction system of the commercial building of the present invention, through the core tube aluminum mold system, the core tube scaffolding support system, the elevator shaft steel mold system, the core tube outer wall steel mold system, the peripheral aluminum mold system, the peripheral scaffolding support system and the peripheral The combined use of the entire system of the exterior wall protection screen system makes the construction process more reasonable, and the combination of personnel, equipment, and formwork is more closely integrated, which greatly reduces the overall construction cycle and construction costs.

Description of drawings

Fig. 1 is the structural representation of the novel construction system of commercial building of the present invention;

Fig. 2 is a schematic structural view of the core tube part of the present invention;

Fig. 3 is a schematic diagram of the structure of the peripheral part of the present invention;

Fig. 4 is the structural representation of the inner wall aluminum formwork of the core tube aluminum formwork wall of the present invention;

Fig. 5 is the connection schematic diagram of inner wall aluminum formwork of the present invention and steel formwork structure well wall;

Fig. 6 is a structural schematic diagram of the core tube aluminum mold structure beam slab of the present invention;

Fig. 7 is a structural schematic diagram of the steel formwork system for the outer wall of the core tube of the present invention;

Fig. 8 is one of the plane structural views of the first core tube part, the second core tube part, the first peripheral part and the second peripheral part;

Fig. 9 is the second plan view of the first core tube part, the second core tube part, the first peripheral part and the second peripheral part;

Figures 10 and 11 are respectively the first day morning and afternoon construction process schematic diagrams of the new construction method of the commercial building in Embodiment 2;

Fig. 12, 13 are respectively the next morning and afternoon construction process schematic diagrams of the new construction method of the commercial building in embodiment 2;

Fig. 14, 15 are respectively the schematic diagrams of the third day's morning and afternoon construction process of the new construction method of the commercial building in embodiment 2;

Figures 16 and 17 are schematic diagrams of the construction process in the morning and afternoon of the fourth day of the new construction method of the commercial building in Embodiment 2, respectively.

Detailed ways

The purpose of the present invention is to provide a new construction system and method for a commercial building that can effectively reduce the overall construction period of the building, improve the overall building quality, and reduce the construction cost of the commercial building.

Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

As shown in FIG. 1 , the new construction system of a commercial building in this embodiment includes a core tube part 1 and a peripheral part 2 , and the core tube part 1 is at least three floors higher than the peripheral part 2 . The core tube part 1 includes a core tube aluminum mold system 11, a core tube scaffolding support system 12 supporting the core tube aluminum mold system 11, an elevator shaft steel mold system 13, and a core tube aluminum mold system 11 arranged on the outside Core tube exterior wall steel formwork system 14. The peripheral part 2 includes a peripheral aluminum mold system 21 , a peripheral shelving support system 22 supporting the peripheral aluminum mold system 21 , and a peripheral outer wall protection system 23 arranged outside the peripheral aluminum mold system 21 .

As shown in Figure 2, the core tube aluminum formwork system consists of a core tube aluminum formwork structure wall column 111, a core tube aluminum formwork structure beam plate (not shown in the figure), a core tube aluminum formwork structure floor 113 and a core tube aluminum formwork structure Stairs (not shown in the figure) form. The core tube scaffold support system 12 is used to support the core tube aluminum formwork structure beam slab, core tube aluminum formwork structure floor 113 and core tube aluminum formwork structure stairs. The elevator shaft steel formwork system 13 is composed of a steel formwork structure shaft wall 131 and an elevator shaft steel formwork structure workbench 132 . The steel formwork structure shaft wall 131 is connected to the elevator shaft steel formwork structure workbench 132 below it by bolts. The steel formwork system 14 for the outer wall of the core tube is composed of a wall-climbing workbench 142 and a wall-climbing steel formwork 141 .

Specifically, the core tube aluminum formwork structure wall column includes the core tube aluminum formwork wall and the core cylinder aluminum formwork column, and the core tube aluminum formwork wall includes the inner wall aluminum formwork and the outer wall aluminum formwork. As shown in Figure 4, the interior wall aluminum formwork includes two interior wall aluminum formworks A1 and A2 that are arranged oppositely. The outer sides of the two interior wall aluminum formworks are provided with a back corrugated A3, and the bolt A4 passes through the two interior wall aluminum formworks and is fixed on the On the back corrugated A3, the bolt A4 can be removed after the concrete pouring of the inner wall is completed. As shown in Figure 5, the inner wall aluminum form B1 is opposite to the well wall 131 of the steel formwork structure. Similarly, the outer side of the inner wall aluminum form B1 and the steel formwork well wall 131 is provided with a back corrugated B3, and the bolt B4 passes through the inner wall. The rear ends of the wall aluminum form B1 and the steel formwork structure shaft wall 131 are fixed on the back corrugated B3, and the bolts B4 can be disassembled after the concrete pouring is completed, and then the steel formwork system 13 of the elevator shaft is hoisted.

As shown in Figure 6, the beam slab of the core tube aluminum formwork structure includes a beam bottom aluminum formwork 121 and two beam side aluminum formworks 122 arranged on opposite sides of the beam bottom aluminum formwork 121. The aluminum formwork 122 can be connected by bolts 123 to prevent the expansion of the core tube aluminum formwork structure beam slab after pouring concrete, and the core tube aluminum formwork structure beam slab and the core tube aluminum formwork structure floor 113 are connected through the connecting C groove 124 . A material transfer box (not shown in the figure) is also reserved on the core tube aluminum mold structure floor 113, and the material transfer box is used for material transfer during the construction process.

As shown in FIG. 7 , the wall-climbing steel form 141 is fixed on the wall C2 through bolts C1 , and the bolts C1 pass through the wall C2 from the wall-climbing steel form 141 and are fixed on the formwork C3 . Two diagonal braces D1 and D2 are installed on the bottom frame of the climbing wall workbench 142, and one end of the two diagonal braces D1 and D2 is respectively locked on the bottom frame of the wall climbing workbench 142 by bolts, and one of the diagonal braces D1 The other end of the climbing wall steel formwork 141 is supported on the back corrugated yard connector at the bottom, and the other end of the other diagonal brace D2 is fixed on the upper part of the climbing wall steel formwork 141. The two diagonal braces are used for supporting and adjusting Climbing wall steel formwork 141 keeps vertical in the vertical direction. An adjusting bolt D3 and a connecting bolt D4 are also connected to the bottom of the climbing wall steel form 141, and the adjusting bolt D3 is used to adjust the height of the bottom of the climbing wall steel form 141, so that the height of the climbing wall steel form 141 is maintained with the height of the concrete to be poured Consistently, the connecting bolt D4 is used to connect the wall-climbing steel form 141 and the wall-climbing workbench 142 to form a whole. After the construction is completed, the wall-climbing steel form 141 and the wall-climbing workbench 142 can be hoisted simultaneously.

As shown in Figure 3, the peripheral aluminum formwork system consists of a peripheral aluminum formwork structure wall column (not shown in the figure), a peripheral aluminum formwork structure beam plate 211, a peripheral aluminum formwork structure floor 212 and a peripheral aluminum formwork structure staircase (not shown in the figure). shown) composition. The wall column of the peripheral aluminum formwork structure includes the wall body of the peripheral aluminum formwork structure and the column of the peripheral aluminum formwork structure. The aluminum formwork is locked on the back flute through the opposite two columns. The concrete structure of the peripheral aluminum formwork structure beam slab 211 is similar to that of the core tube aluminum formwork structure beam slab, and the structure of the peripheral aluminum formwork structure floor 212 is similar to that of the core tube aluminum formwork structure floor 113 , which will not be described in detail here.

The peripheral outer wall protection system 23 is a peripheral outer wall protective screen system, and the peripheral outer wall protective screen system is composed of a protective screen 231 composed of a peripheral working platform and a peripheral protective guardrail. Wherein said protective screen 231 has three layers or four layers, and described protective screen 231 can be honeycomb net shape, is arranged along the building direction of outer wall, is provided with climbing ladder on outer wall protective screen 231 to facilitate the passage of construction personnel, outer wall protective screen 231 Use the electric hoist and the guide rail to realize the overall upward movement. The protective screen 231 fixes the guide rails on the peripheral floor or peripheral beams or walls through the mechanical arm device 232 .

In this embodiment, the aluminum mold system uses single pieces of aluminum mold splicing, and the single aluminum membranes are connected by pins, while the steel mold system is composed of steel plates, steel frames, keels and back ribs, and the keels are used to strengthen the steel plates.

In this embodiment, the core tube scaffold support system 12 is composed of straight rods, horizontal rods and oblique rods. The core tube scaffolding support system 12 respectively supports the core tube aluminum formwork structure floor 113 and the core tube aluminum formwork structure beam plate 113 through the dead top box, and the core tube scaffolding support system of different specifications is selected according to the support situation.

In the construction of the commercial building of the present invention, the core tube aluminum mold system and the peripheral aluminum mold system are used to replace the traditional wooden formwork system, so that the concrete surface of the commercial building is flat after construction, and the aluminum mold system is easy to install, and the construction process is environmentally friendly. Higher recovery value and recycling value. The core tube scaffold support system and peripheral scaffold support system are used to replace the traditional steel frame support system, which has good load-bearing effect, easy operation, and can quickly complete various supports due to changes in floor height and thickness. The steel formwork system for the elevator shaft and the steel formwork system for the outer wall of the core tube can be operated independently with the help of the tower crane, thereby reducing the dependence on construction personnel. The protective structure composed of protective screens is used to replace the traditional protective structure composed of wooden formwork and grids, which can ensure the safety of building construction and effectively reduce the overall construction period while not occupying the construction space of the glass curtain wall.

A new construction method of a commercial building is introduced below through another embodiment.

When constructing a commercial building, it is necessary to divide the building into several sections according to the structural characteristics of the building, that is, divide the core tube into several sections for construction, and divide the peripheral part into several sections for construction.

As shown in Figures 8-9, in this embodiment, the commercial building is divided into four sections for construction, which are the first core tube part BAY1, the second core tube part BAY2, the first peripheral part BAY3 and the second peripheral part. BAY4, wherein the first peripheral part BAY3 ring is set outside the first core tube part BAY1, and the second peripheral part BAY4 ring is set outside the second core tube part BAY2.

In this embodiment, the new construction method of a commercial building is described in detail by taking four days and one floor as an example. Of course, according to the construction situation, the construction of the commercial building can also be adjusted to six days and one floor. During the construction, the first core tube part BAY1, the second core tube part BAY2, the first peripheral part BAY3 and the second peripheral part BAY4 are constructed simultaneously, and the specific construction steps of the new construction method of the commercial building are as follows:

The construction process on the first day is shown in Figure 10-11, where:

The first core tube part BAY1 is installed with aluminum formwork for wall columns.

Simultaneously, the second core tube part BAY2 performs floor reinforcement binding, floor reinforcement binding and wall column reinforcement binding in sequence.

At the same time, the first peripheral portion BAY3 is sequentially poured with concrete.

At the same time, the second peripheral part BAY4 is installed with floor aluminum formwork and beam aluminum formwork in sequence, and the floor steel bars are bound on the floor aluminum formwork.

The construction process on the second day is shown in Figure 12-13, where:

The first core tube part BAY1 installs floor slab aluminum formwork and beam aluminum formwork sequentially on the top of the completed wall column aluminum formwork, and binds floor slab steel bars on the floor slab aluminum formwork.

At the same time, the second core tube part BAY2 is concreted.

At the same time, the first peripheral part BAY3 is installed with wall column aluminum formwork, and the floor aluminum formwork and beam aluminum formwork are successively installed on the top of the wall column aluminum formwork.

At the same time, the second peripheral part BAY4 is sequentially bound with steel bars on the floor, upgraded with the protection system of the outer wall, and then bound with steel bars on the wall columns.

The construction process on the third day is shown in Figure 14-15, where:

The first core tube part BAY1 performs the binding of the floor steel bars and the wall column steel bars in sequence.

At the same time, the second core tube part BAY2 is installed with aluminum formwork for wall columns.

At the same time, the first peripheral part BAY3 is installed with floor aluminum formwork and beam aluminum formwork in sequence, and the floor steel bars are bound on the floor aluminum formwork.

At the same time, the second peripheral portion BAY4 is concreted.

The construction process on the fourth day is shown in Figure 16-17, where:

The first core tube part BAY1 is concreted.

At the same time, on the top of the completed wall column aluminum formwork of the second core tube part BAY2, floor slab aluminum formwork and beam aluminum formwork are sequentially installed, and the floor slab steel bars are bound on the floor slab aluminum formwork.

At the same time, the first peripheral part BAY3 upgrades the protection system of the peripheral outer wall, and then binds the steel bars of the floor and the steel bars of the wall columns in sequence.

At the same time, the second peripheral part BAY4 is installed with wall column aluminum formwork, and the floor aluminum formwork and beam aluminum formwork are sequentially installed on the top of the wall column aluminum formwork.

In this way, the construction of a one-story commercial building is completed. After the concrete pouring is completed and the strength meets the requirements of the specification, the aluminum formwork system can be dismantled. On the first floor, enter the installation process of the aluminum formwork on the next floor.

In the new construction method of the commercial building provided by the present invention, the first core tube part BAY1, the second core tube part BAY2, the first peripheral part BAY3 and the second peripheral part BAY4 are constructed simultaneously, and the construction process is more reasonable , The combination of personnel, equipment and formwork is closer, thus greatly reducing the overall construction cycle of commercial buildings and reducing construction costs.

The embodiments of the present invention have been described in detail above, but the content described is only a preferred embodiment of the present invention, and cannot be considered as limiting the implementation scope of the present invention. All equivalent changes and improvements made according to the application scope of the present invention shall still belong to the scope covered by the patent of the present invention.

Claims (10)

1. A new construction system for a commercial building, characterized in that: it includes a core tube part and a peripheral part, and the core tube part is at least three floors higher than the peripheral part; the core tube part includes a core tube aluminum mold system, a support The core tube scaffolding support system of the core tube aluminum mold system, the elevator shaft steel mold system, and the core tube exterior wall steel mold system arranged outside the core tube aluminum mold system; the peripheral part includes a peripheral aluminum mold system, A peripheral shelving support system supporting the peripheral aluminum mold system and a peripheral outer wall protection system arranged outside the peripheral aluminum mold system. 2. The new construction system of commercial buildings according to claim 1, characterized in that: the core tube aluminum formwork system consists of core tube aluminum formwork structure wall columns, core tube aluminum formwork structure beam slabs, core tube aluminum formwork structure floor slabs and The core tube aluminum mold structure staircase is composed. 3. The new construction system for commercial buildings according to claim 1, characterized in that: the elevator shaft steel formwork system is composed of a steel formwork structure shaft wall and an elevator shaft steel formwork structure workbench. 4. The new construction system for commercial buildings according to claim 1, characterized in that: the steel formwork system for the outer wall of the core tube is composed of a climbing wall workbench and a climbing wall steel formwork. 5. The new construction system of a commercial building according to claim 1, characterized in that: the peripheral aluminum formwork system consists of a peripheral aluminum formwork structure wall column, a peripheral aluminum formwork structure beam plate, a peripheral aluminum formwork structure floor and a peripheral aluminum formwork structure Composition of stairs. 6. The new construction system for commercial buildings according to claim 1, characterized in that: the peripheral exterior wall protection system is a peripheral exterior wall protection screen system. 7. The new construction system for commercial buildings according to claim 6, characterized in that: the outer wall protective screen system is composed of a protective screen composed of a peripheral working platform and a peripheral protective guardrail. 8. The new construction system for commercial buildings according to claim 7, characterized in that: the protective screen formed by the outer protective guardrail has three or four layers. 9. A new construction method of a commercial building, comprising a construction step of the core tube part and a construction step of the peripheral part, characterized in that the construction step of the core tube part includes the construction step of the first core tube part and the second core tube part Part of the construction step, the construction step of the peripheral part includes the construction step of the first peripheral part and the construction step of the second peripheral part, when the core tube part is at least three floors higher than the peripheral part, the second peripheral part The construction of a core tube section, a second core tube section, a first peripheral section and a second peripheral section is performed simultaneously. 10. The new construction method of commercial building according to claim 9, characterized in that: The simultaneous construction process of the first core tube part, the second core tube part, the first peripheral part and the second peripheral part includes four construction stages, specifically including: S1. Install the wall column aluminum formwork in the first core tube part; perform floor steel bar binding and wall column steel bar binding in sequence in the second core tube part; perform concrete pouring in the first peripheral part; The second peripheral part is followed by floor aluminum formwork installation and beam aluminum formwork installation, and floor steel bar binding is carried out on the floor aluminum formwork; S2. Install floor aluminum formwork and beam aluminum formwork on top of the completed wall column aluminum formwork in the first core tube part, and bind floor steel bars on the floor aluminum formwork; perform concrete pouring in the second core tube part Install the wall column aluminum formwork on the first peripheral part, install the floor slab aluminum formwork and the beam aluminum formwork on the top of the wall column aluminum formwork in sequence; perform floor slab steel bar binding and lift the peripheral outer wall in sequence on the second peripheral part protection system, and then the wall column reinforcement binding; S3. Perform floor reinforcement binding and wall column reinforcement binding in sequence in the first core tube part; install wall column aluminum formwork in the second core tube part; install floor aluminum formwork and beams in sequence in the first peripheral part Aluminum formwork, binding the floor slab steel bars on the aluminum formwork of the floor slab; pouring concrete on the second peripheral part; S4. Concrete pouring is performed on the first core tube part; floor aluminum formwork and beam aluminum formwork are sequentially installed on the top of the completed wall column aluminum formwork of the second core tube part, and floor steel bars are bound on the floor aluminum formwork Carry out the promotion of the peripheral external wall protection system in the first peripheral part, and carry out the binding of the floor steel bar and the wall column steel bar in sequence; carry out the installation of the wall column aluminum formwork in the described second peripheral part, and install the wall column aluminum formwork on the top of the wall column aluminum formwork Install floor aluminum formwork and beam aluminum formwork in sequence.