CN113216591B - Climbing formwork climbing auxiliary steel structure and construction method thereof - Google Patents

Climbing formwork climbing auxiliary steel structure and construction method thereof Download PDF

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Publication number
CN113216591B
CN113216591B CN202110523410.4A CN202110523410A CN113216591B CN 113216591 B CN113216591 B CN 113216591B CN 202110523410 A CN202110523410 A CN 202110523410A CN 113216591 B CN113216591 B CN 113216591B
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China
Prior art keywords
steel
column
machine position
fixedly connected
climbing
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CN113216591A (en
Inventor
周予启
刘卫未
李静
范昕
王晶
车庭枢
蒋千重
曹雨奇
车辕
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China Construction First Group Construction and Development Co Ltd
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China Construction First Group Construction and Development Co Ltd
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Publication of CN113216591A publication Critical patent/CN113216591A/en
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G3/00Scaffolds essentially supported by building constructions, e.g. adjustable in height
    • E04G3/28Mobile scaffolds; Scaffolds with mobile platforms
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/38Connections for building structures in general
    • E04B1/41Connecting devices specially adapted for embedding in concrete or masonry
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G5/00Component parts or accessories for scaffolds
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G5/00Component parts or accessories for scaffolds
    • E04G5/04Means for fastening, supporting, or bracing scaffolds on or against building constructions
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G5/00Component parts or accessories for scaffolds
    • E04G5/06Consoles; Brackets
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G5/00Component parts or accessories for scaffolds
    • E04G5/06Consoles; Brackets
    • E04G5/061Consoles; Brackets specially adapted for attachment to scaffolds
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G3/00Scaffolds essentially supported by building constructions, e.g. adjustable in height
    • E04G3/28Mobile scaffolds; Scaffolds with mobile platforms
    • E04G2003/286Mobile scaffolds; Scaffolds with mobile platforms mobile vertically

Abstract

The invention discloses a climbing formwork climbing auxiliary steel structure and a construction method thereof, wherein the climbing formwork climbing auxiliary steel structure comprises a machine position surface and an inorganic position surface; the machine position face includes: a first shear wall steel rib column; the first embedded parts are arranged in a plurality of numbers, and the first embedded parts are arranged along the vertical direction of the steel reinforced column of the first shear wall; the steel column is vertically arranged, the steel column and the steel column of the first shear wall are arranged at intervals, and the steel column is fixedly connected with an original steel column structure in the wall through a column bottom plate; the system comprises a plurality of machine position steel beams, a plurality of machine position steel beams are horizontally arranged, one end of each machine position steel beam is fixedly connected with a first embedded part, the other end of each machine position steel beam is fixedly connected with a steel column, and each machine position steel beam is provided with a plurality of reserved machine position holes along the length direction; and the landing leg steel beams are arranged in a plurality of staggered and spaced mode, so that a wood formwork is not required to be locally adopted, an operation frame body is not required to be erected, the construction period is shortened, and the structure construction quality is ensured.

Description

Climbing formwork climbing auxiliary steel structure and construction method thereof
Technical Field
The invention belongs to the technical field of auxiliary construction, and particularly relates to a climbing formwork climbing auxiliary steel structure and a construction method thereof.
Background
The creeping formwork construction is an advanced formwork construction process suitable for cast-in-situ reinforced concrete structure of high-rise building or high-rise structure. The hydraulic automatic weight climbing formwork is a formwork system which is attached to a building structure and ascends layer by layer along with the construction of the structure, when the concrete reaches the formwork stripping strength, the formwork is demoulded, does not fall to the ground, and climbs the formwork and the formwork climbing device upwards for one layer by means of mechanical equipment and a supporting body, and is positioned, fastened and repeatedly and circularly constructed.
The hydraulic creeping formwork is widely applied to the construction of the vertical structure of the super high-rise core tube. However, in construction, the core tube structure of part of the floor is partially not provided with a wall body. The creeping formwork can not climb upwards continuously, and the construction efficiency is influenced.
Disclosure of Invention
Therefore, the invention provides a climbing formwork climbing assisting steel structure and a construction method thereof, and aims to solve the problem that in the prior art, the climbing formwork cannot continuously climb upwards to influence the construction efficiency due to the fact that a part of a core tube structure of a part of floors has no wall body locally.
In order to achieve the above purpose, the invention provides the following technical scheme:
on one hand, the climbing formwork climbing auxiliary steel structure comprises a machine position surface and an inorganic position surface; the machine position face includes:
a first shear wall steel rib column; the first embedded parts are arranged in a plurality of numbers, and the first embedded parts are arranged along the vertical direction of the steel reinforced column of the first shear wall; the steel column is vertically arranged, the steel column and the steel column of the first shear wall are arranged at intervals, and the steel column is fixedly connected with an original steel column structure in the wall through a column bottom plate; the system comprises machine position steel beams, a plurality of machine position steel beams are arranged, the plurality of machine position steel beams are horizontally arranged, one end of each machine position steel beam is fixedly connected with a first embedded part, the other end of each machine position steel beam is fixedly connected with a steel column, and each machine position steel beam is provided with a plurality of reserved machine position holes along the length direction; and the landing leg girder steel, the landing leg girder steel sets up a plurality of, and a plurality of landing leg girder steel level sets up, every landing leg girder steel one end and first built-in fitting fixed connection, the other end and steel column fixed connection, and a plurality of landing leg girder steels and a plurality of machine position girder steels are crisscross and the interval sets up.
Further, the inorganic bit plane includes: a second shear wall steel rib column; a plurality of second embedded parts are arranged, and the plurality of second embedded parts are arranged at intervals along the vertical direction of the steel reinforced column of the second shear wall; a plurality of inorganic position steel beams are arranged, the plurality of inorganic position steel beams are horizontally arranged, one end of each inorganic position steel beam is fixedly connected with the second embedded part, and the other end of each inorganic position steel beam is fixedly connected with the steel column; and the steel supports are provided with a plurality of steel supports, the plurality of steel supports and the plurality of inorganic position steel beams are arranged in a staggered manner, each steel support is obliquely arranged, one end of each steel support is fixedly connected to the joint of the inorganic position steel beam and the steel column, and the other end of each steel support is fixedly connected to the joint of the inorganic position steel beam and the second embedded part.
Furthermore, a steel sleeve is arranged in the reserved machine position hole, the end part of the steel sleeve extends to the outside of the reserved machine position, an outer stiffening plate is fixedly connected to the outer ring of the end part of the steel sleeve, and the outer stiffening plate is fixedly connected with the machine position steel beam.
Furthermore, the steel sleeve is connected with the external stiffening plate through a fillet weld.
Further, the steel column adopts a box-section steel column.
Furthermore, the machine position steel beam is a box-section steel beam.
Furthermore, the steel beam of the supporting leg is welded with the steel column.
On the other hand, the construction method of the climbing formwork climbing assisting steel structure comprises the following steps:
the positions of the embedded parts are arranged on the steel bars and the steel columns according to the regulation, the column bottom plate and the embedded parts are arranged on the original shear wall steel rib columns before the steel bars are bound and the concrete is poured, and the embedded parts and the original shear wall steel rib columns are welded in a semi-penetration mode.
Installing a steel column with a box-shaped section, correcting the verticality by means of wind-catching ropes, adjusting the vertical state of the steel column to enable the bottom of the steel column to coincide with the intersection point of the positioning axis and the basic positioning axis, connecting steel column bottom plates in a spot welding mode, unhooking after the spot welding is completed, welding, and dismantling the wind-catching ropes.
The installation steel beam comprises a machine position steel beam, a landing leg position box-section steel beam, an inorganic position steel beam and a steel support, wherein the steel support is lifted to a specified height by utilizing a chain block and is fixedly welded with the inorganic position steel beam and the box-section steel column.
Due to the technical characteristics, the invention has the following advantages: the local wood template is not needed, and an operation frame body is not needed to be erected. Reduce non-solid material and artifical input, reduce the potential safety hazard of high altitude construction. The construction period is shortened, and the structure construction quality is guaranteed.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.
FIG. 1 is an elevation view of a climbing formwork climbing auxiliary steel structure machine;
FIG. 2 is a elevation view of the steel structure without a potential surface for climbing the climbing formwork;
FIG. 3 is a schematic view of a reserved machine location hole in the box girder;
fig. 4 is a top view of the climbing auxiliary steel structure.
In the figure: the steel structure comprises a first embedded part 1a, a second embedded part 1b, a steel column 2, a machine position steel beam 3, a reserved machine position hole 31, a steel sleeve 32, an external stiffening plate 33, a supporting leg steel beam 4, an inorganic position steel beam 5, a steel support 6, a shear wall 7, a first shear wall steel rib column 8a, a second shear wall steel rib column 8b, an outer wall machine position 9 and an inner wall machine position 10.
Detailed Description
The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings and the detailed description, but those skilled in the art will understand that the following described embodiments are some, not all, of the embodiments of the present invention, and are only used for illustrating the present invention, and should not be construed as limiting the scope of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. The examples, in which specific conditions are not specified, were conducted under conventional conditions or conditions recommended by the manufacturer. The reagents or instruments used are not indicated by the manufacturer, and are all conventional products available commercially.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1
The climbing formwork climbing auxiliary steel structure provided by the embodiment 1 of the invention is shown in fig. 1 and comprises a machine position surface and an inorganic position surface; the machine position face includes: a first shear wall steel rib column 8 a; the shear wall steel rib column comprises a plurality of first embedded parts 1a, wherein the first embedded parts 1a are arranged in a plurality, and the first embedded parts 1a are arranged along the vertical direction of a first shear wall steel rib column 8 a; the steel column 2 is vertically arranged, the steel column 2 and a first shear wall steel reinforced column 8a are arranged at intervals, and the steel column 2 is fixedly connected with an original steel column structure in the wall through a column bottom plate; the steel beam 3 of the machine position is provided with a plurality of steel beams 3, the steel beams 3 of the machine position are horizontally arranged, one end of each steel beam 3 of the machine position is fixedly connected with the first embedded part 1a, the other end of each steel beam 3 of the machine position is fixedly connected with the steel column 2, and each steel beam 3 of the machine position is provided with a plurality of reserved machine position holes 31 along the length direction; and landing leg girder steel 4, landing leg girder steel 4 sets up a plurality of, and 4 levels of a plurality of landing leg girder steel set up, 4 one end of every landing leg girder steel and first built-in fitting 1a fixed connection, the other end and 2 fixed connection of steel column, a plurality of landing leg girder steels 4 and the crisscross just interval setting of a plurality of machine position girder steels 3.
Referring to fig. 3, a steel sleeve 32 is arranged in the reserved machine position hole 31, the end of the steel sleeve 32 extends to the outside of the reserved machine position hole 31, an outer stiffening plate 33 is fixedly connected to the outer ring of the end of the steel sleeve 32, the outer stiffening plate 33 is fixedly connected with the machine position steel beam 3, the steel sleeve 32 is connected with the outer stiffening plate 33 through a fillet weld, and the steel column 2 is a steel column with a box-shaped section. The machine place steel beam 3 is a box-section steel beam. And the support leg steel beam 4 is welded with the steel column 2.
During the use, the wall body of disappearance is replaced to the machine position face, climbs the mould machine and can continue to rise along the machine position face, and every outer unit occupies 2 and reserves the machine position hole, and every inner unit occupies 1 and reserves the machine position hole, attaches to on the steel construction through split bolt. The supporting legs are supported on the steel beams 4 with the box-shaped cross sections at the supporting leg positions, and the climbing process is the same as that of a common climbing formwork.
Example 2
The climbing formwork climbing assisting steel structure provided by embodiment 2 of the present invention is basically the same as that of embodiment 1, except that, referring to fig. 2, in order to improve the stability of the machine location plane, the inorganic location plane includes: a second shear wall steel rib column 8 b; a plurality of second embedded parts 1b are arranged, and the plurality of second embedded parts 1b are arranged at intervals along the vertical direction of the second shear wall steel rib column 8 b; a plurality of inorganic position steel beams 5 are arranged, the plurality of inorganic position steel beams 5 are horizontally arranged, one end of each inorganic position steel beam 5 is fixedly connected with the second embedded part 1b, and the other end of each inorganic position steel beam 5 is fixedly connected with the steel column 2; and the steel supports 6, the steel supports 6 are provided with a plurality of, the steel supports 6 and the inorganic position steel beams 5 of a plurality of are staggered, each steel support 6 is obliquely arranged, one end of each steel support 6 is fixedly connected to the joint of the inorganic position steel beam 5 and the steel column 2, and the other end of each steel support is fixedly connected to the joint of the inorganic position steel beam 5 and the second embedded part 1 b.
As shown in fig. 4, the outer wall machine position 9 is connected with the machine position steel beam 3 through 2 reserved machine position holes 31, and the inner wall machine position 10 is connected with the machine position steel beam 3 through 1 reserved machine position hole 31. The planar arrangement of the auxiliary steel structures is in this case a '+' shape, determined by, but not limited to, the requirements of local wall loss and climbing of the climbing formwork. According to the organic position surface reference figure 1 and the inorganic position surface reference figure 2, the steel rib column position is designed into a self-supporting frame by combining the creeping formwork requirement, the missing wall body shape and the original structure.
Example 3
The construction method of the climbing formwork climbing assisting steel structure provided by the embodiment 3 of the invention comprises the following steps:
paying off the positions of the embedded parts 1 on the steel bars and the steel columns according to the specification, installing a column bottom plate and the embedded parts 1 on the original shear wall steel rib columns before binding the steel bars and pouring concrete, and performing semi-penetration welding on the embedded parts 1 and the original shear wall steel rib columns;
installing a steel column 2 with a box-shaped section, correcting the verticality by means of wind-catching ropes, adjusting the vertical state of the steel column to enable the bottom of the steel column to coincide with the intersection point of a positioning axis and a base positioning axis, connecting steel column bottom plates in a spot welding mode, unhooking and welding after the spot welding is finished, and removing the wind-catching ropes;
the installation girder steel, including machine position girder steel 3, landing leg position box cross-section girder steel 4, inorganic position girder steel 5 and steel shotcrete 6, the welding mode adopts ordinary welding, utilizes the chain block to promote steel shotcrete 6 to appointed height, with inorganic position girder steel 5 and box cross-section steel column 2 welded fastening.
The invention is not limited to the above alternative embodiments, and any other various forms of products can be obtained by anyone in the light of the present invention, but any changes in shape or structure thereof, which fall within the scope of the present invention as defined in the claims, fall within the scope of the present invention.

Claims (7)

1. A climbing formwork climbing auxiliary steel structure is characterized by comprising a machine position surface and an inorganic position surface; the machine position plane comprises:
a first shear wall steel rib column;
the first embedded parts are arranged in a plurality of numbers, and the first embedded parts are arranged along the vertical direction of the steel reinforced column of the first shear wall;
the steel column is vertically arranged, the steel column and the first shear wall steel column are arranged at intervals, and the steel column is fixedly connected with an original steel column structure in the wall through a column bottom plate;
the steel columns are fixedly connected with the steel columns, and a plurality of reserved machine position holes are formed in each machine position steel beam along the length direction; and
the supporting leg steel beams are arranged in a plurality of numbers, the supporting leg steel beams are horizontally arranged, one end of each supporting leg steel beam is fixedly connected with the first embedded part, the other end of each supporting leg steel beam is fixedly connected with the steel column, and the supporting leg steel beams and the machine position steel beams are arranged in a staggered and spaced mode;
the inorganic bit plane includes:
a second shear wall steel rib column;
a plurality of second embedded parts are arranged, and the plurality of second embedded parts are arranged at intervals along the vertical direction of the steel reinforced column of the second shear wall;
a plurality of inorganic-position steel beams are arranged, the plurality of inorganic-position steel beams are horizontally arranged, one end of each inorganic-position steel beam is fixedly connected with the second embedded part, and the other end of each inorganic-position steel beam is fixedly connected with the steel column; and
the steel supports are provided with a plurality of steel supports, the steel supports and the inorganic steel beams are arranged in a staggered mode, each steel support is arranged in an inclined mode, one end of each steel support is fixedly connected to the joint of the inorganic steel beam and the steel column, and the other end of each steel support is fixedly connected to the joint of the inorganic steel beam and the second embedded part.
2. The climbing formwork climbing assisting steel structure according to claim 1, wherein a steel sleeve is arranged in the reserved machine position hole, the end portion of the steel sleeve extends to the outside of the reserved machine position hole, an outer ring of the end portion of the steel sleeve is fixedly connected with an outer stiffening plate, and the outer stiffening plate is fixedly connected with the machine position steel beam.
3. The climbing formwork climbing assisting steel structure as claimed in claim 2, wherein the steel sleeve and the outer stiffening plate are connected through fillet welds.
4. The climbing formwork climbing assisting steel structure as claimed in claim 1, wherein the steel columns are box-section steel columns.
5. The climbing formwork climbing assisting steel structure as claimed in claim 1, wherein the machine site steel beam is a box-section steel beam.
6. The climbing formwork climbing assisting steel structure according to claim 1, wherein the support leg steel beam is welded to the steel column.
7. The construction method of the climbing formwork climbing assisting steel structure according to any one of claims 1 to 6, characterized by comprising the following steps of:
paying off the positions of the embedded parts on the steel bars and the steel columns according to the specification;
installing a steel column with a box-shaped section, adjusting the vertical state of the steel column to enable the bottom of the steel column to coincide with the intersection point of the positioning axis and the basic positioning axis, and connecting a steel column base plate in a spot welding manner;
the installation steel beam comprises a machine position box-shaped section steel beam, a landing leg position box-shaped section steel beam, an inorganic position box-shaped section steel beam and a steel support.
CN202110523410.4A 2021-05-13 2021-05-13 Climbing formwork climbing auxiliary steel structure and construction method thereof Active CN113216591B (en)

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