CN113565334B - Anti-tilting mounting method and system for high-gravity-center stand column - Google Patents
Anti-tilting mounting method and system for high-gravity-center stand column Download PDFInfo
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- CN113565334B CN113565334B CN202110915321.4A CN202110915321A CN113565334B CN 113565334 B CN113565334 B CN 113565334B CN 202110915321 A CN202110915321 A CN 202110915321A CN 113565334 B CN113565334 B CN 113565334B
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- upright
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- upright post
- rigid fixing
- inclination angle
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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
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
- E04G21/16—Tools or apparatus
- E04G21/162—Handles to carry construction blocks
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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
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
- E04G21/16—Tools or apparatus
- E04G21/18—Adjusting tools; Templates
- E04G21/1841—Means for positioning building parts or elements
Abstract
The invention relates to the technical field of transportation or assembly of building components, and discloses an anti-tilt installation method and an anti-tilt installation system for a high-gravity-center upright post, wherein the installation method comprises the following steps: the method comprises the following steps: hoisting the upright column, and connecting the lower end of the upright column to a mounting position on a mounting foundation; step two: an inclination angle adjusting device is respectively arranged on each upright post; step three: measuring and adjusting the inclination angle of the upright column to ensure that the upright column is vertical to the ground; step four: adjacent upright posts are fixedly connected into a whole through a rigid fixing rod; step five: and fixing the stand column on the installation foundation by using the rigid connection column base. In the invention, the upright posts are connected into a whole through the rigid fixing rod, so that the inclination of the upright posts which occurs randomly can be counteracted, and equipment for fixing the bottoms of the upright posts, such as all anchor bolts and the like, and equipment for preventing inclination, such as cable wind ropes and the like, on site can act on each upright post, namely each upright post is provided with a large number of anchor bolts and cable wind ropes, thereby effectively inhibiting the inclination of the upright posts.
Description
Technical Field
The invention relates to the technical field of transportation or assembly of building components, in particular to an anti-tilting mounting method and an anti-tilting mounting system for a high-gravity-center upright post.
Background
In the building construction, the upright column is a very common bearing component and is responsible for transmitting the weight of the upper layer structure to the lower layer structure or even to the foundation, the installation position and the verticality of the upright column are indexes which have important influence on the bearing capacity of the upper layer structure, the verticality of the upright column has particularly serious influence on the bearing capacity of the upright column, and the upright column can ensure that the weight of the upper layer structure is smoothly transmitted to the lower layer structure only when the upright column is strictly vertical.
The column base is a structure for fixing the column on the installation foundation and is divided into a rigid connection column base capable of transferring shearing force (namely, the bottom of the column is not disturbed on the installation foundation) and bending moment (namely, the column is not inclined) and a hinged column base capable of transferring shearing force but not transferring bending moment. The hinged column base cannot transfer bending moment, so that the column can be askew when the column is subjected to larger horizontal force. The rigid connection column base comprises three types of exposed type (the whole column is positioned on the installation foundation, and the lower end of the rigid connection column base is exposed), external wrapping type (the whole column is positioned on the installation foundation, but the lower end of the rigid connection column base is wrapped up) and embedded type (the lower end of the rigid connection column base is embedded in the installation foundation), the capacity of bearing bending moment is sequentially enhanced, and only one type of the hinged connection column base is exposed.
Due to the requirement of beauty or stress, high-gravity-center columns such as inverted cone columns are sometimes used in building construction, and the columns cannot be stably erected by themselves and cannot be inclined due to high gravity center and can only be installed by adopting rigid connection column feet. However, the rigid connection column base needs to bear bending moment, so the structure is more complex, the installation process of the column adopting the rigid connection column base is longer, the high-gravity-center column such as an inverted cone column is easy to tilt, temporary fixing is needed in the installation process, the current common temporary fixing means adopts a cable rope, but the effect is not good, the positioning frame has a worse effect, and the inclination of the column cannot be basically prevented.
The applicant found in actual construction that the inverted-cone-shaped column temporarily fixed by using the guy cable is inclined to some extent again after the column base is completely installed even though the column base is adjusted to be in a vertical state, which is fatal to the concrete-covered column base or the embedded column base because the column base cannot be adjusted again. Increasing the number of guy cables by a large amount (by a factor of 4 or more) reduces the inclination, but this significantly increases the construction costs.
The applicant has also found that in the absence of strong winds, the direction of inclination of the inverted cone uprights is random.
Disclosure of Invention
The invention provides an anti-tilting mounting method and a mounting system for a high-gravity-center upright post.
The technical problem to be solved is that: the high gravity center upright post such as the inverted cone upright post is easy to incline in the installation process, and the common anti-tilting means such as the cable rope, the positioning frame and the like have poor effect.
In order to solve the technical problems, the invention adopts the following technical scheme: an anti-tilt installation method for a high-gravity-center upright column is used for installing an upright column with the gravity center close to the top of the column; the method comprises the following steps:
the method comprises the following steps: hoisting the upright column, and connecting the lower end of the upright column to a mounting position on a mounting foundation, so that the lower end of the upright column cannot move in a horizontal plane, but the inclination angle is adjustable;
step two: each upright post is respectively provided with an inclination angle adjusting device;
step three: measuring and adjusting the inclination angle of the upright column to ensure that the upright column is vertical to the ground, and then locking the inclination angle adjusting device to ensure that the upright column is kept in a vertical state;
step four: adjacent upright posts are fixedly connected into a whole through rigid fixing rods, and the rigid fixing rods are horizontally arranged, are installed at a height close to the gravity center of the upright posts and are detachably connected with the upright posts;
step five: and fixing the upright post on the installation foundation by using a rigid connection post base to ensure that the inclination angle of the upright post is not changeable, and then dismantling the inclination angle adjusting device and the rigid fixing rod.
Furthermore, the mounting positions of the stand columns are arranged in a non-collinear manner on the mounting basis, each stand column is fixedly connected with at least two adjacent stand columns through rigid fixing rods, and at least two rigid fixing rods are arranged in the rigid fixing rods extending outwards from each stand column in a non-collinear manner in the projection direction of the rigid fixing rods in the vertical direction.
Furthermore, the installation positions of the upright posts are arranged in a matrix shape on the installation basis, the rigid fixing rods surround to form a grid-shaped structure, and the grid-shaped structure further comprises rigid fixing rods which are arranged on diagonal lines of each grid and used for preventing the grids from deforming.
Furthermore, the inclination angle adjusting device is cable wind ropes radially distributed by taking the stand column as the center, at least three cable wind ropes are arranged on each stand column, and a rope tensioning device is respectively arranged on each cable wind rope.
Further, the rope tightening device is a turn buckle or a rope tightening device with a locking device.
Furthermore, four cable wind ropes are installed on each upright post, the upper end of each cable wind rope is anchored on the side face of the top of each upright post, the lower end of each cable wind rope extends downwards obliquely towards the right east, the right west, the right south and the right north and is anchored on the installation foundation, and the included angle between each cable wind rope and the ground is the same after the cable wind ropes are tightened up.
Furthermore, two ends of each rigid fixing rod are respectively anchored at the top ends of two adjacent stand columns.
Furthermore, the rigid fixing rod is made of section steel and is connected with the upright post through a bolt.
Further, in the fifth step, the rigid connection column base is a concrete-covered column base, and the inclination angle adjusting device and the rigid fixing rod are dismounted after the concrete of the concrete-covered column base is solidified.
An anti-tilt mounting system for a high center of gravity column, comprising: the anti-tilt installation method comprises a temporary hinged column base for temporarily connecting the upright column to the installation foundation, a tilt angle adjusting device for adjusting the tilt angle of the upright column, a rigid fixing rod for integrally connecting adjacent upright columns, and a rigid connection column base for finally fixing the upright column to the installation foundation.
Compared with the prior art, the anti-tilt installation method and the anti-tilt installation system for the high-gravity-center upright post have the following beneficial effects:
in the invention, all the stand columns are connected into a whole through the rigid fixing rod, so that the random inclinations of the stand columns can be mutually offset, and all devices for fixing the bottoms of the stand columns such as foundation bolts and the like and devices for preventing the inclination such as cable wind ropes and the like on the site can act on each stand column, namely each stand column is provided with a large number of foundation bolts and cable wind ropes, thereby effectively inhibiting the inclination of the stand columns;
in the invention, at least two rigid fixing rods among the rigid fixing rods extending outwards from each upright post are not collinear in projection in the vertical direction, thereby ensuring that the inclination of the upright post in each direction can be effectively transmitted to other upright posts;
in the invention, the rigid fixing rod is horizontally anchored at the top of the upright column, so that the rigid fixing rod can be conveniently installed by utilizing a member for connecting the top of the upright column with the beam, and the inclination of the upright column can be effectively inhibited by small force because the top of the upright column is close to the gravity center of the upright column and is also the region with the largest horizontal displacement when the upright column is inclined;
according to the invention, the cable rope is provided with the rope tightening device, so that the inclination angle of the upright post is adjusted by adopting a mode of adjusting the length of the cable rope, and the cable rope is prestressed, so that the inclination of the cable rope can be effectively inhibited.
Drawings
FIG. 1 is a schematic view of the mounting system of the present invention in use;
FIG. 2 is a schematic diagram of the arrangement of the rigid fixing rods and the guy cables, wherein a part of the guy cables is shielded by the rigid fixing rods;
wherein, 1-upright post, 2-guy rope and 3-rigid fixing rod.
Detailed Description
As shown in fig. 1-2, an anti-tilt installation method for a high center of gravity column is used for installing a column 1 with the center of gravity close to the top of the column; the method comprises the following steps:
the method comprises the following steps: hoisting the upright post 1, and connecting the lower end of the upright post 1 to a mounting position on a mounting foundation, so that the lower end of the upright post 1 cannot move in a horizontal plane, but the inclination angle is adjustable; in this embodiment, the lower end of the vertical column 1 is anchored on the installation base by using anchor bolts to form a hinge column base for temporary fixation, and the inclination angle of the vertical column 1 itself can be adjusted.
Step two: an inclination angle adjusting device is respectively arranged on each upright post 1.
Step three: and measuring and adjusting the inclination angle of the upright post 1 to ensure that the upright post 1 is vertical to the ground, and then locking the inclination angle adjusting device to ensure that the upright post 1 is kept in a vertical state.
Step four: the adjacent upright posts 1 are fixedly connected into a whole through rigid fixing rods 3, and the rigid fixing rods 3 are horizontally arranged, are installed at a height close to the gravity center of the upright posts 1 and are detachably connected with the upright posts 1;
in the embodiment, the rigid fixing rods 3 are installed on the scaffold, the scaffold is also used for upper-layer structure construction, and the rigid fixing rods 3 and the cable ropes 2 are fixed on the tops of the upright posts 1, so that the working surfaces of different parts are the same, and the same set of scaffold can be used for construction. Note that, when the rigid fixing rod 3 is installed, the tilt angle of the upright 1 needs to be monitored at any time, so as to ensure that the upright 1 is vertical after the rigid fixing rod 3 is installed.
Step five: fixing the upright post 1 on an installation foundation by using a rigid connection post base to enable the inclination angle of the upright post 1 to be invariable, and then removing the inclination angle adjusting device and the rigid fixing rod 3;
in this embodiment, the rigid connection column shoe is a concrete-covered column shoe, and the inclination angle adjusting device and the rigid fixing rod 3 are removed after the concrete of the concrete-covered column shoe is solidified, and the embedded column shoe is similar in that the inclination angle adjusting device and the rigid fixing rod 3 can be removed only after the concrete is solidified.
The mounting positions of the upright posts 1 are arranged in a non-collinear manner on the mounting basis, each upright post 1 is at least fixedly connected with two adjacent upright posts 1 through rigid fixing rods 3, and at least two rigid fixing rods 3 are arranged in the rigid fixing rods 3 extending outwards from each upright post 1, and the projections of the two rigid fixing rods 3 in the vertical direction are not collinear. This is done to ensure that any inclination of the column 1 in any direction is effectively transmitted to another column 1.
In actual use, because the columns 1 are not always in the same row, the effect can be achieved only by connecting each column 1 with the adjacent column 1, and certainly, if only one row of columns 1 exists on site, at least one column 1 of each column 1 should be fixed on an area outside the row surface where the row of columns 1 is located, such as on the ground or on a wall, through the rigid fixing rod 3, but the situation is hardly met in actual construction.
In this embodiment, the installation positions of the columns 1 are arranged in a matrix on the installation basis, the rigid fixing rods 3 surround to form a grid structure, and the grid structure further includes rigid fixing rods 3 arranged on diagonal lines of each grid and used for preventing deformation of the grid. This effectively fixes the column 1.
The inclination angle adjusting device is cable wind ropes 2 which are radially arranged by taking the upright posts 1 as centers, at least three cable wind ropes 2 are arranged on each upright post 1, and the lower ends of the cable wind ropes 2 are fixed on a mounting base through ground anchors. And each guy rope 2 is provided with a rope tightening device. In actual use, the inclination angle of the upright 1 can be finely adjusted by bolts on adjacent scaffolds in addition to the guy cables 2.
The rope tightening device can be a turn buckle or a rope tightening device with a locking device. Wherein if the upright post 1 is slender, a rope tightener is preferably adopted to obtain a larger adjusting range, and if the upright post 1 is short and thick, a turn buckle is preferably adopted, so that the structure is simple and the adjusting force is larger. Of course, it is also possible to make the guy rope 2 as a double strand rope and then to tighten the double strand rope with a stick if conditions do not allow it.
Four cable wind ropes 2 are installed on each upright post 1, the upper end of each cable wind rope 2 is anchored on the side face of the top of the upright post 1, the lower end of each cable wind rope extends obliquely downwards to the right east, the right west, the right south and the right north and is anchored on an installation basis, and included angles between the tightened cable wind ropes 2 and the ground are the same. The purpose of this is to facilitate adjustment of the tilt angle in cooperation with the coordinate system.
Two ends of each rigid fixing rod 3 are respectively anchored at the top ends of two adjacent upright posts 1. Therefore, the installation of the rigid fixing rod 3 is facilitated by utilizing a member for connecting the top of the upright post 1 with the beam, and the inclination of the upright post 1 can be effectively inhibited by small force because the top of the upright post 1 is close to the gravity center of the upright post 1 and is also the region with the largest horizontal displacement when the upright post 1 inclines.
The rigid fixing rod 3 is made of section steel and is connected with the upright post 1 through a bolt. In this embodiment, a 400mm × 200mm × 8mm square steel pipe is selected as the rigid fixing rod 3.
An anti-tilt mounting system for a high center of gravity column, characterized in that: the anti-tilt installation method for implementing the above comprises a temporary hinged column base for temporarily connecting the upright 1 to the installation base, a tilt angle adjusting device for adjusting the tilt angle of the upright 1, a rigid fixing rod 3 for integrally connecting the adjacent uprights 1, and a rigid joint column base for finally fixing the upright 1 to the installation base.
The above-mentioned embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solution of the present invention by those skilled in the art should fall within the protection scope defined by the claims of the present invention without departing from the spirit of the present invention.
Claims (6)
1. An anti-tilt installation method for a high-gravity-center upright column is used for installing an upright column (1) with the gravity center close to the top of the column; the method is characterized in that: the method comprises the following steps:
the method comprises the following steps: hoisting the upright post (1), and connecting the lower end of the upright post (1) to a mounting position on a mounting foundation, so that the lower end of the upright post (1) cannot move in a horizontal plane, but the inclination angle is adjustable;
step two: each upright post (1) is respectively provided with an inclination angle adjusting device;
step three: measuring and adjusting the inclination angle of the upright post (1) to ensure that the upright post (1) is vertical to the ground, and then locking the inclination angle adjusting device to ensure that the upright post (1) is kept in a vertical state;
step four: the adjacent upright posts (1) are fixedly connected into a whole through rigid fixing rods (3), and the rigid fixing rods (3) are horizontally arranged, are installed at a height close to the gravity center of the upright posts (1) and are detachably connected with the upright posts (1);
step five: fixing the upright post (1) on an installation foundation by using a rigid connection post base to ensure that the inclination angle of the upright post (1) is invariable, and then removing the inclination angle adjusting device and the rigid fixing rod (3);
the mounting positions of the upright posts (1) are arranged in a non-collinear manner on the mounting basis, each upright post (1) is fixedly connected with at least two adjacent upright posts (1) through rigid fixing rods (3), and at least two rigid fixing rods (3) in the rigid fixing rods (3) extending outwards from each upright post (1) have non-collinear projections in the vertical direction;
the mounting positions of the upright posts (1) are arranged in a matrix shape on the mounting basis, the rigid fixing rods (3) surround to form a grid-shaped structure, and the grid-shaped structure further comprises rigid fixing rods (3) which are arranged on diagonal lines of each grid and used for preventing the grids from deforming;
and fifthly, the rigid connection column base is a concrete-coated column base, and the inclination angle adjusting device and the rigid fixing rod (3) are removed after the concrete-coated column base concrete is solidified.
2. An anti-tilt mounting method for a high centre of gravity column according to claim 1, characterised in that: the inclination angle adjusting device is formed by radially arranging cable wind ropes (2) by taking the stand columns (1) as centers, at least three cable wind ropes (2) are arranged on each stand column (1), and rope tensioning devices are respectively arranged on the cable wind ropes (2).
3. An anti-tilt mounting method for a high centre of gravity column according to claim 2, characterised in that: the rope tightening device is a turn buckle or a rope tightening device with a locking device.
4. An anti-tilt mounting method for a high centre of gravity column according to claim 2, characterised in that: four cable wind ropes (2) are installed on each upright post (1), the upper ends of the cable wind ropes (2) are respectively anchored on the side surfaces of the tops of the upright posts (1), the lower ends of the cable wind ropes extend downwards obliquely to the right east, the right west, the right south and the right north and are anchored on an installation basis, and included angles between the cable wind ropes (2) and the ground after being tightened up are the same.
5. An anti-tilt mounting method for a high centre of gravity column according to claim 1, characterised in that: two ends of each rigid fixing rod (3) are respectively anchored at the top ends of two adjacent upright posts (1).
6. The anti-tilt installation method for a high center of gravity column according to claim 1, wherein: the rigid fixing rod (3) is made of section steel and is connected with the upright post (1) through a bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110915321.4A CN113565334B (en) | 2021-08-10 | 2021-08-10 | Anti-tilting mounting method and system for high-gravity-center stand column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110915321.4A CN113565334B (en) | 2021-08-10 | 2021-08-10 | Anti-tilting mounting method and system for high-gravity-center stand column |
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| Publication Number | Publication Date |
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| CN113565334A CN113565334A (en) | 2021-10-29 |
| CN113565334B true CN113565334B (en) | 2023-01-17 |
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Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102182320B (en) * | 2011-03-22 | 2012-07-25 | 中国十九冶集团有限公司 | Mounting method of steel reinforced concrete steel skeleton of large metallurgical industrial factory |
| CN102644379A (en) * | 2012-04-28 | 2012-08-22 | 中建一局集团建设发展有限公司 | Temporary supporting system of steel column base and construction method of temporary supporting system |
| CN108590199A (en) * | 2018-07-16 | 2018-09-28 | 浙江中南建设集团钢结构有限公司 | A kind of bottom bolt single layer steel column installation interim stabilization structure and its antihunt means |
| CN209799167U (en) * | 2019-03-15 | 2019-12-17 | 中建一局集团第五建筑有限公司 | Pre-buried column base reinforcing system |
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