WO2021073513A1 - Procédé de construction combinant une structure de cylindre coulée en place avec une structure de bâti préfabriquée - Google Patents

Procédé de construction combinant une structure de cylindre coulée en place avec une structure de bâti préfabriquée Download PDF

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Publication number
WO2021073513A1
WO2021073513A1 PCT/CN2020/120723 CN2020120723W WO2021073513A1 WO 2021073513 A1 WO2021073513 A1 WO 2021073513A1 CN 2020120723 W CN2020120723 W CN 2020120723W WO 2021073513 A1 WO2021073513 A1 WO 2021073513A1
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WO
WIPO (PCT)
Prior art keywords
construction
vertical
frame
frame beam
steel bars
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PCT/CN2020/120723
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English (en)
Chinese (zh)
Inventor
熊靖
彭宝安
Original Assignee
荆门市佰思机械科技有限公司
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Application filed by 荆门市佰思机械科技有限公司 filed Critical 荆门市佰思机械科技有限公司
Publication of WO2021073513A1 publication Critical patent/WO2021073513A1/fr

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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/34—Extraordinary structures, e.g. with suspended or cantilever parts supported by masts or tower-like structures enclosing elevators or stairs; Features relating to the elastic stability
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/35—Extraordinary methods of construction, e.g. lift-slab, jack-block
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/35—Extraordinary methods of construction, e.g. lift-slab, jack-block
    • E04B1/3505—Extraordinary methods of construction, e.g. lift-slab, jack-block characterised by the in situ moulding of large parts of a structure
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/35—Extraordinary methods of construction, e.g. lift-slab, jack-block
    • E04B1/3544—Extraordinary methods of construction, e.g. lift-slab, jack-block characterised by the use of a central column to lift and temporarily or permanently support structural elements

Definitions

  • the invention is mainly used in the construction of middle and high-rise residential structures in the field of construction engineering.
  • a high-rise residential building of our company is planned to be a structural system combining cast-in-situ tubular structure and fabricated frame structure, and the elevator and staircase are designed as cast-in-situ tubular structures.
  • the structure is to improve the overall rigidity of the building and resist earthquake and wind loads.
  • the living room, bedroom, kitchen and bathroom and other rooms are designed as prefabricated frame structures. In this way, there are two types of complete cast-in-place and assembly. Different construction techniques, how to coordinate the two to ensure that the construction progress is accelerated? How to connect the fabricated frame structure and the cast-in-situ cylinder structure? This will be the problem we face.
  • the present invention solves the above problems.
  • the main construction method is: the cast-in-situ cylinder structure adopts the slip form construction technology to construct first, and the beam, column and plate construction of the assembled frame structure are interspersed during the construction of the cast-in-situ cylinder structure, and the assembly is assembled.
  • the beams, columns and slabs of the frame structure are hoisted and assembled on site.
  • the specific construction methods are as follows:
  • Step 1 After the construction of the building foundation is completed, first use the slipform construction technology to construct the cast-in-situ tube part of the elevator car and stairwell to the three-story floor elevation (18), and at the same time at the tube bolster (12). ) Reserve vertical through holes (10) and multiple horizontal holes (11); step two, in the construction process of step one, carry out the frame columns (8), frame beams, Frame beam B (9), frame beam A (7), hoisting and assembling work of floor slab, frame column (8), frame beam, frame beam B (9) and floor slab are assembled according to the existing technology. For the frame beam A (7) on the second floor, insert multiple U-shaped steel bars (14) of the frame beam A (7) into the corresponding horizontal holes (11) at the tube bolster (12).
  • the vertical steel bar dragon (13) is in the vertical through hole ( In the cavity of 10); step four, inject concrete into the cavity of the vertical through hole (10) and perform grouting construction, so that the cast-in-place concrete is filled with the vertical through hole (10) and multiple horizontal holes (11)
  • step four inject concrete into the cavity of the vertical through hole (10) and perform grouting construction, so that the cast-in-place concrete is filled with the vertical through hole (10) and multiple horizontal holes (11)
  • the three- and four-story cylindrical slipform construction is carried out, and the assembly-type component construction of the three to four floors is interspersed at the same time; the construction methods of other floors can be deduced by analogy.
  • the upper vertical reinforcement dragon (13) needs to be welded and fixed with multiple vertical reinforcements (15) of the lower vertical reinforcement dragon (13); the end of the frame beam A (7) combined with the cylinder is embedded There are multiple U-shaped steel bars (14).
  • the positions of multiple U-shaped steel bars (14) correspond to the positions of multiple horizontal holes (11).
  • the main reinforcement is fixed; the vertical reinforcement dragon (13) is composed of multiple evenly arranged vertical reinforcements (15) and multiple horizontal stirrups (16), and multiple horizontal stirrups (16) surround multiple evenly arranged vertical
  • the steel bar (15) is fixed with it, the vertical steel bar dragon (13) is used as the stress steel bar for connecting the multiple U-shaped steel bars (14) of the frame beam A (7), and the vertical steel bar dragon (13) also serves as the supporting frame
  • the main reinforcement of beam A (7) is fixed; the vertical reinforcement dragon (13) is composed of multiple evenly arranged vertical reinforcements (15) and multiple horizontal stirrups (16), and multiple horizontal stirrups (16) surround multiple evenly arranged vertical
  • the steel bar (15) is fixed with it, the vertical steel bar dragon (13) is used as the stress steel bar for connecting the multiple U-shaped steel bars (14) of the frame beam A (7), and the vertical steel bar dragon (13) also serves as the supporting frame
  • the main reinforcement of beam A (7) is fixed; the vertical reinforcement dragon (13) is composed of multiple evenly arranged vertical reinforcements (15) and multiple
  • the invention can greatly improve the construction progress of middle and high-rise residential structures, and the connection between the assembled frame structure and the cast-in-situ cylindrical structure is firm and reliable.
  • Figure 1 is a schematic diagram of the combination of a cast-in-situ cylinder structure and a fabricated frame structure.
  • FIG. 2 is a schematic diagram of the vertical through holes 10 and horizontal holes 11 reserved at the bolster 12 of the cylindrical body.
  • FIG. 3 is a schematic diagram of the embedded U-shaped steel bar 14 of the frame beam A7 before being inserted into the horizontal hole 11.
  • FIG. 4 is a schematic diagram of the vertical reinforcement dragon 13 inserted into the pre-embedded U-shaped reinforcement 14 of the frame beam A7.
  • Figure 5 is a large-scale drawing of the vertical steel bar dragon 13.
  • FIG. 6 is a schematic diagram of a plurality of horizontal holes 11 reserved at the cylinder bolster 12.
  • FIG. 7 is an elevation view of the U-shaped steel bars 14 embedded in the frame beam A7.
  • FIG. 8 is a plan view of the U-shaped steel bars 14 embedded in the frame beam A7.
  • the connection between the frame beam and the tube structure is divided into two situations.
  • One is the case where the frame beam and the tube body are joined at B6.
  • the frame beam B9 and the tube wall of the tube form a T shape.
  • the exposed main rib of frame beam B9 passes through the reserved hole of the cylinder wall, and then the exposed main rib of frame beam B9 is fixed to the cylinder wall of the cylinder with a nut.
  • the other is the case of A5 at the junction of the frame beam and the tube body. There are 6 points in total. See Figure 3.
  • the extension line of the right end of the frame beam A7 coincides with the tube wall.
  • Reinforcing steel bars need to be designed around the vertical through holes 10 of the tube beam 12 according to the structural requirements; the other parts of the tube body are distributed according to the conventional design; if the frame beam is combined with the tube body At A5, the frame beam A7 and the cylinder body are connected by conventional steel members, then the outer wall of the cylinder body at the junction of the frame beam and the cylinder body A5 needs to be embedded with steel plates, and the steel plates need to be welded and connected, and the right end of the frame beam A7 also needs to be embedded Connect the steel plates, and finally fix the connecting steel plates of the frame beam A7 with the connecting steel plates of the cylinder with bolts and nuts.
  • This design scheme will consume a lot of steel and the exposed steel components will affect the appearance.
  • the invention can be widely used in the connection of cast-in-place structures and fabricated structures in the field of construction engineering.

Abstract

La présente invention concerne un procédé de construction combinant une structure de cylindre coulée en place avec une structure de bâti préfabriquée, principalement appliqué dans le domaine de l'ingénierie de la construction pour une construction de bâtiment de grande hauteur, et une vitesse de construction rapide, et garantissant également la rigidité globale d'un bâtiment. Le procédé de construction comprend : 1. tout d'abord, la construction d'une partie cylindre coulée en place jusqu'à l'élévation de dalle du troisième étage à l'aide d'une technologie de construction à coffrage glissant ; 2. la réalisation d'une opération de levage et d'assemblage sur des structures de bâti préfabriquées de premier étage et de deuxième étage ; 3. le fait de laisser une cage de renfort verticale pénétrer à travers une pluralité de barres d'armature en forme de U de poutres de bâti de premier étage et de deuxième étage A, et la disposition du fond de la cage de renfort verticale sur une surface supérieure de fondation du cylindre ; 4. le versage de béton dans une cavité d'un trou traversant vertical de façon à permettre au béton coulé en place de remplir le trou traversant vertical et les cavités d'une pluralité de trous horizontaux, et, après que le béton a atteint une certaine résistance, la réalisation d'une construction à coffrage glissant sur des cylindres de troisième étage et de quatrième étage. Le procédé de construction pour d'autres étages peut être réalisé de la même manière ; la pluralité de barres d'armature en forme de U sont pré-incorporées dans des extrémités de liaison des poutres de bâti A et des cylindres, et la pluralité de barres d'armature en forme de U sont en correspondance univoque avec la pluralité de trous horizontaux en position.
PCT/CN2020/120723 2019-10-14 2020-10-14 Procédé de construction combinant une structure de cylindre coulée en place avec une structure de bâti préfabriquée WO2021073513A1 (fr)

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Application Number Priority Date Filing Date Title
CN201910974590.0A CN110629886B (zh) 2019-10-14 2019-10-14 现浇筒体结构与装配式框架结构结合的施工方法
CN201910974590.0 2019-10-14

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Cited By (2)

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CN114263275A (zh) * 2022-01-06 2022-04-01 中建五局华东建设有限公司 高层装配式钢结构-核心筒同层施工工法
CN115198882A (zh) * 2022-08-25 2022-10-18 金耀 一种装配式框架结构及其施工方法

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CN110629886B (zh) * 2019-10-14 2020-11-06 湖北思泽新能源科技有限公司 现浇筒体结构与装配式框架结构结合的施工方法

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KR20140076817A (ko) * 2012-12-13 2014-06-23 삼성물산 주식회사 기준층의 공기단축이 가능한 pc-sf공법
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Publication number Priority date Publication date Assignee Title
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CN115198882A (zh) * 2022-08-25 2022-10-18 金耀 一种装配式框架结构及其施工方法
CN115198882B (zh) * 2022-08-25 2024-03-29 金耀 一种装配式框架结构及其施工方法

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