CN118745814A - A method for strengthening scaffolding against overturning for super-high concrete structures - Google Patents
A method for strengthening scaffolding against overturning for super-high concrete structures Download PDFInfo
- Publication number
- CN118745814A CN118745814A CN202411055213.4A CN202411055213A CN118745814A CN 118745814 A CN118745814 A CN 118745814A CN 202411055213 A CN202411055213 A CN 202411055213A CN 118745814 A CN118745814 A CN 118745814A
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- scaffold
- column
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- main structure
- lattice
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G5/00—Component parts or accessories for scaffolds
- E04G5/04—Means for fastening, supporting, or bracing scaffolds on or against building constructions
- E04G5/046—Means for fastening, supporting, or bracing scaffolds on or against building constructions for fastening scaffoldings on walls
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G5/00—Component parts or accessories for scaffolds
- E04G5/007—Devices and methods for erecting scaffolds, e.g. automatic scaffold erectors
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Abstract
本发明公开了一种用于层高超高混凝土结构的脚手架抗倾覆加固方法，涉及脚手架施工领域，技术方案为，包括以下步骤：S1、搭设外脚手架基础；S2、在现场根据设计的规格制作格构柱；S3、主体结构楼板施工及预埋格构柱安装螺栓；S4、将格构柱安装在主体结构楼板上；S5、外脚手架逐层向上搭设并与格构柱固定连接。本发明的有益效果是：通过在建筑物内部主体结构柱中间设置格构柱的方式来解决连墙件数量不足的问题，且该格构柱可通过立杆高度的调节以适应不同层高的要求，并且可以模块化加工生产，也可使用盘扣架或扣件式钢管脚手架现场改装，并随脚手架进行周转使用，有利于施工作业人员安全的保证，可在同类型的结构体系施工中广泛推广。
The present invention discloses a method for strengthening scaffolding against overturning for super-high concrete structure, which relates to the field of scaffolding construction. The technical scheme includes the following steps: S1, erecting an external scaffolding foundation; S2, making lattice columns on site according to the design specifications; S3, constructing the main structure floor and pre-embedded lattice column installation bolts; S4, installing the lattice columns on the main structure floor; S5, erecting the external scaffolding upward layer by layer and fixedly connected with the lattice columns. The beneficial effects of the present invention are: the problem of insufficient number of wall connecting parts is solved by arranging lattice columns in the middle of the main structure columns inside the building, and the lattice columns can be adjusted by the height of the uprights to meet the requirements of different storey heights, and can be processed and produced in a modular manner, and can also be modified on site using a disc buckle frame or a fastener-type steel pipe scaffold, and used in rotation with the scaffold, which is conducive to ensuring the safety of construction workers and can be widely promoted in the construction of the same type of structural system.
Description
Technical Field
The invention relates to the field of scaffold construction, in particular to an anti-overturning reinforcement method for a scaffold of a high-rise ultrahigh concrete structure.
Background
In the construction field, the scaffold construction of super high concrete structure is faced with the problem of super high and too big column spacing, causes scaffold to link the setting quantity of wall spare to be difficult to reach the standard requirement. According to the related specifications, the wall connecting pieces of the same layer are on the same horizontal plane, and the horizontal distance of the wall connecting pieces is not more than 3 spans (the horizontal distance between adjacent upright posts of the scaffold takes the distance between three adjacent upright posts as one span); the cantilever height of the frame body above the wall connecting piece cannot exceed 2 steps (generally refers to the vertical distance between two adjacent steps of transverse rods on the scaffold), and the vertical distance is not more than 4 meters. The effect of wind load on the scaffold is remarkable under the condition that the building height is quite high and the surrounding environment is clear. The scaffold not only is an up-down channel for operators to construct, but also plays a role in protection, so that the defect of the number of wall connecting pieces can become a great potential safety hazard in construction.
Disclosure of Invention
Aiming at the technical problems, the invention provides an anti-overturning reinforcement method for a scaffold of a high-rise ultra-high concrete structure.
The technical scheme is that the method comprises the following steps:
S1, building an outer scaffold foundation;
s2, manufacturing a lattice column on site according to the designed specification;
S3, constructing a main structure floor slab and embedding lattice column mounting bolts;
S4, installing the lattice column on the main structure floor slab;
S5, the outer scaffold is erected upwards layer by layer and fixedly connected with the lattice column.
Preferably, the specific steps of step S1 are:
carrying out outer scaffold arrangement according to engineering construction drawings and field plane arrangement, determining construction parameters such as the erection height, the vertical rod spacing, the step distance and the like of the outer scaffold, carrying out outer scaffold calculation by using BIM construction simulation software, and simultaneously determining the arrangement mode of outer scaffold wall connecting pieces;
and finally, setting up the outer scaffold foundation.
Preferably, the lattice column in the step S2 is formed by splicing an upper column and a lower column, wherein the upper column and the lower column are of rectangular columnar structures formed by a plurality of steel pipes, and two adjacent steel pipes are fixedly connected through a plurality of cross bars.
Preferably, an external thread is arranged at the upper end part of each steel pipe of the lower column, and each external thread is connected with a fine tuning piece in a threaded manner;
the fine tuning piece comprises an inserting rod movably arranged on the steel pipe, the diameter of the inserting rod is smaller than the inner diameter of the steel pipe, a sleeve is rotatably arranged at the lower end of the inserting rod, and the sleeve is in threaded connection with the external thread;
The rod body of the inserted rod is provided with a plurality of positioning holes in an array mode, and the positioning holes are formed along the axis of the inserted rod.
Preferably, a plurality of limiting holes are formed in the lower end portion of each steel pipe of the upper column in an array mode, a plug pin is inserted into one of the limiting holes, and the plug pin is inserted into one of the positioning holes.
Preferably, each of the upper posts is fixedly provided with a rectangular mounting plate at the upper end, a plurality of mounting holes are formed in the mounting plate and correspond to bolts, and the upper posts are fixed on the main body structure floor slab through bolts penetrating through the mounting plate.
Preferably, each lower end of the steel pipe of the lower column is fixedly provided with a rectangular mounting plate, a plurality of mounting holes are formed in the lower portion of the mounting plate, the mounting holes correspond to the bolts, and the lower column is fixed below the main body structure floor slab through the bolts penetrating through the mounting plate.
Preferably, the specific steps in step S4 are as follows:
and the lattice column is fixedly connected with the floor slab through the mounting plates at the two ends of the lattice column.
After the lattice column is installed, a plurality of diagonal braces are arranged on the lattice column, two ends of each diagonal brace are respectively used for fixing two adjacent steel pipes,
Preferably, the specific steps in step S3 are as follows:
In the construction process of the main body structure floor slab, the bolts are positioned corresponding to the arrangement mode of the mounting holes before the main body structure floor slab 6 is poured.
Preferably, the specific steps in step S5 are as follows:
After the lattice column is installed, the outer scaffold can be continuously erected upwards and fixed with the main structure floor slab through the wall connecting piece, and the column holding and pulling structure is carried out through the cross bars extending out on the outer scaffold and the lattice column.
The technical scheme provided by the embodiment of the invention has the beneficial effects that: the problem of the insufficient quantity of wall connecting pieces is solved through the mode of arranging the lattice column in the middle of the main body structure column in the building, the lattice column can adapt to the requirements of different layer heights through the adjustment of the vertical rod heights, the lattice column can be processed and produced in a modularized mode, a disc buckle frame or a fastener type steel pipe scaffold can be used for field refitting, the lattice column can be used in a turnover mode along with the scaffold, the safety of construction operators is guaranteed, good economic benefits and social benefits are achieved, and the lattice column can be widely popularized in the construction of the same type of structural system.
Drawings
FIG. 1 is a schematic diagram of a usage process according to an embodiment of the present invention.
Fig. 2 is a schematic diagram of a bolt and a steel pipe according to an embodiment of the present invention.
Wherein, the reference numerals are as follows: 1. the outer scaffold 2, wall connecting pieces 3, lattice columns 4, bolts 5, cross bars 6, main structure floors 7, mounting plates 8 and sleeves; 9. a limiting hole; 10. a bolt.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. Of course, the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other.
In the description of the invention, it should be understood that the terms "center," "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships that are based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the invention and simplify the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be configured and operate in a particular orientation, and therefore should not be construed as limiting the invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the creation of the present invention can be understood by those of ordinary skill in the art in a specific case.
Example 1
Referring to fig. 1 to 2, the invention provides a scaffold anti-overturning reinforcing method for a high-rise ultra-high concrete structure, which comprises the following steps:
S1, building an outer scaffold 1 foundation;
s2, manufacturing a lattice column 3 on site according to the designed specification;
S3, constructing a main structure floor slab 6 and embedding the lattice column 3 with the bolts 4;
S4, installing the lattice column 3 on the main structure floor slab 6;
s5, the outer scaffold 1 is erected upwards layer by layer and fixedly connected with the lattice column 3.
The specific steps of the step S1 are as follows:
Arranging the outer scaffold 1 according to an engineering construction drawing and field plane arrangement, determining construction parameters such as the erection height, the vertical rod spacing, the step distance and the like of the outer scaffold 1, calculating the outer scaffold 1 by using BIM construction simulation software, and determining the arrangement mode of the wall connecting pieces 2 of the outer scaffold 1;
and finally, setting up the foundation of the outer scaffold 1.
The lattice column 3 in the step S2 is formed by splicing an upper column and a lower column, wherein the upper column and the lower column are rectangular columnar structures formed by a plurality of steel pipes, and two adjacent steel pipes are fixedly connected through a plurality of cross rods 5.
Before the lattice column 3 is manufactured, construction simulation analysis is carried out by using BIM construction simulation software, parameter designs such as a main structure wall connecting piece 2, the lattice column 3, bolts 4, a column holding drawknot between the outer scaffold 1 and the lattice column 3 are carried out, each construction material and section selection are determined, steel pipes such as 2X 2 and 3X 3 can be selected for the lattice column 3, stress calculation can be met, and the wall connecting piece 2, the column holding and the bolts 4 are not damaged under the action of wind load, and the lattice column 3 is not unstable.
The upper end part of each steel pipe of the lower column is provided with an external thread, and each external thread is connected with a fine tuning piece through threads;
The fine tuning piece comprises an inserting rod movably arranged on the steel pipe, the diameter of the inserting rod is smaller than the inner diameter of the steel pipe, a sleeve 8 is rotatably arranged at the lower end of the inserting rod, and the sleeve 8 is in threaded connection with the external thread;
furthermore, two pulling rods are fixedly arranged on the outer wall of the sleeve 8, so that a user can conveniently pull the sleeve 8, and convenience in use is improved;
the rod body of the inserted link is provided with a plurality of positioning holes in an array manner, and the positioning holes are arranged along the axis of the inserted link.
The lower end part of each steel pipe of the upper column is provided with a plurality of limiting holes 9 in an array manner, a bolt 10 is inserted into one of the limiting holes 9, and the bolt 10 is inserted into one of the positioning holes.
The upper end of each steel pipe of the upper column is fixedly provided with a rectangular mounting plate 7, a plurality of mounting holes are formed in the mounting plate 7 and correspond to the bolts 4, and the upper column is fixed on the main structure floor slab 6 through the bolts 4 penetrating through the mounting plate 7.
The lower extreme of every steel pipe of lower post is all fixed and is set up a rectangular mounting panel 7, sets up a plurality of mounting hole under the mounting panel 7, and the mounting hole corresponds with bolt 4, and the lower post is fixed under main structure floor 6 through the bolt 4 that runs through mounting panel 7.
The specific steps in the step S4 are as follows:
the lattice column 3 is fixedly connected with the floor slab through the bolts 4 and the mounting plates 7 at the two ends of the lattice column 3, so that the anti-lateral deformation capacity is good.
After the lattice column 3 is installed, a plurality of diagonal braces are arranged on the lattice column 3, two ends of each diagonal brace are respectively used for fixing two adjacent steel pipes,
The specific steps in the step S3 are as follows:
In the construction process of the main structure floor slab 6, the bolts 4 are poured before the main structure floor slab 6, and the positions of the bolts 4 correspond to the setting mode of the mounting holes 7.
The specific steps in the step S5 are as follows:
After the lattice column 3 is installed, the outer scaffold 1 can be continuously erected upwards and fixed with the main structure floor slab 6 through the wall connecting piece 2, the cross rod 5 extending out of the outer scaffold 1 is in column holding and tie with the lattice column 3, and the lattice column 3 and column holding are arranged at the position where the wall connecting piece 2 cannot be arranged between the site and the main structure according to the required number and positions of the outer scaffold 1 and the wall connecting piece 2 to replace the position, so that the stability of the outer scaffold 1 under the action of wind load in site construction can be ensured.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.
Claims (10)
1. The anti-overturning reinforcement method for the scaffold of the high-rise ultra-high concrete structure is characterized by comprising the following steps of:
S1, setting up an outer scaffold (1) foundation;
s2, manufacturing a lattice column (3) on site according to the designed specification;
s3, constructing a main structure floor slab (6) and embedding a lattice column (3) and installing bolts (4);
S4, installing the lattice column (3) on a main structure floor slab (6);
S5, the outer scaffold (1) is erected upwards layer by layer and fixedly connected with the lattice column (3).
2. The method for anti-overturning reinforcement of a scaffold for a high-rise ultra-high concrete structure according to claim 1, wherein the specific steps of step S1 are as follows:
arranging the outer scaffold (1) according to engineering construction drawings and field plane arrangement, determining construction parameters such as building height, pole setting distance, step distance and the like of the outer scaffold (1), calculating the outer scaffold (1) by using BIM construction simulation software, and determining the arrangement mode of the wall connecting piece (2) of the outer scaffold (1);
And finally, setting up the foundation of the outer scaffold (1).
3. The method for anti-overturning reinforcement of a scaffold for a high-rise ultra-high concrete structure according to claim 1, wherein the lattice column (3) in the step S2 is formed by splicing an upper column and a lower column, each of the upper column and the lower column is a rectangular columnar structure formed by a plurality of steel pipes, and two adjacent steel pipes are fixedly connected through a plurality of cross bars (5).
4. The method for anti-overturning reinforcement of a scaffold for a high-rise ultra-high concrete structure according to claim 3, wherein an external thread is arranged at the upper end part of each steel pipe of the lower column, and each external thread is connected with a fine tuning piece;
the fine tuning piece comprises an inserting rod movably arranged on the steel pipe, the diameter of the inserting rod is smaller than the inner diameter of the steel pipe, a sleeve (8) is rotatably arranged at the lower end of the inserting rod, and the sleeve (8) is in threaded connection with the external thread;
The rod body of the inserted rod is provided with a plurality of positioning holes in an array mode, and the positioning holes are formed along the axis of the inserted rod.
5. The method for anti-overturning reinforcement of the scaffold for the high-rise ultra-high concrete structure according to claim 4, wherein a plurality of limiting holes (9) are formed in an array at the lower end part of each steel pipe of the upper column, a plug pin (10) is inserted into one of the limiting holes (9), and the plug pin (10) is inserted into one of the positioning holes.
6. A scaffold anti-overturning reinforcing method for a high-rise ultra-high concrete structure according to claim 3, wherein a rectangular mounting plate (7) is fixedly arranged at the upper end of each steel pipe of the upper column, a plurality of mounting holes are formed in the mounting plate (7), the mounting holes correspond to bolts (4), and the upper column is fixed on the main structure floor (6) through bolts (4) penetrating through the mounting plate (7).
7. A scaffold anti-overturning reinforcing method for a high-rise ultra-high concrete structure according to claim 3, wherein a rectangular mounting plate (7) is fixedly arranged at the lower end of each steel pipe of the lower column, a plurality of mounting holes are formed below the mounting plate (7), the mounting holes correspond to bolts (4), and the lower column is fixed below the main structure floor (6) through bolts (4) penetrating through the mounting plate (7).
8. The method for anti-overturning reinforcement of a scaffold for a high ultra-high concrete structure according to claim 3, wherein the specific steps in step S4 are as follows:
the latticed column (3) is fixedly connected with the floor slab through the bolts (4) and the mounting plates (7) at the two ends of the latticed column (3),
After the lattice column (3) is installed, a plurality of diagonal braces are arranged on the lattice column (3), and two ends of each diagonal brace are respectively used for fixing two adjacent steel pipes.
9. The method for anti-overturning reinforcement of scaffolds for high-rise ultra-high concrete structures according to claim 6 or 7, wherein the specific steps in step S3 are as follows:
in the construction process of the main structure floor slab (6), the bolts (4) are poured before the main structure floor slab (6), and the positions of the bolts (4) correspond to the arrangement mode of the mounting holes (7).
10. The method for anti-overturning reinforcement of a scaffold for a high ultra-high concrete structure according to claim 3, wherein the specific steps in step S5 are as follows:
after the lattice column (3) is installed, the outer scaffold (1) can be continuously erected upwards and fixed with the main structure floor slab (6) through the wall connecting piece (2), and the transverse rod (5) extending out of the outer scaffold (1) is in column holding and pulling connection with the lattice column (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411055213.4A CN118745814A (en) | 2024-08-02 | 2024-08-02 | A method for strengthening scaffolding against overturning for super-high concrete structures |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411055213.4A CN118745814A (en) | 2024-08-02 | 2024-08-02 | A method for strengthening scaffolding against overturning for super-high concrete structures |
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| CN118745814A true CN118745814A (en) | 2024-10-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202411055213.4A Pending CN118745814A (en) | 2024-08-02 | 2024-08-02 | A method for strengthening scaffolding against overturning for super-high concrete structures |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN120401778A (en) * | 2025-05-06 | 2025-08-01 | 中国五冶集团有限公司 | Method for erecting reinforced structure of wall connection members in super-high and super-span areas of buckle external scaffolding |
-
2024
- 2024-08-02 CN CN202411055213.4A patent/CN118745814A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN120401778A (en) * | 2025-05-06 | 2025-08-01 | 中国五冶集团有限公司 | Method for erecting reinforced structure of wall connection members in super-high and super-span areas of buckle external scaffolding |
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