CN106988520B - Construction method and support system for high-rise suspension structure - Google Patents

Construction method and support system for high-rise suspension structure Download PDF

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Publication number
CN106988520B
CN106988520B CN201710118358.8A CN201710118358A CN106988520B CN 106988520 B CN106988520 B CN 106988520B CN 201710118358 A CN201710118358 A CN 201710118358A CN 106988520 B CN106988520 B CN 106988520B
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CN
China
Prior art keywords
suspension
main
platform
construction
support
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CN201710118358.8A
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Chinese (zh)
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CN106988520A (en
Inventor
申雨
王守宇
何亮
田剑
汪猛
马驰
符传钰
陈斌
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中国建筑第八工程局有限公司
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Publication of CN106988520A publication Critical patent/CN106988520A/en
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR OTHER BUILDING 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
    • E04G3/18Scaffolds essentially supported by building constructions, e.g. adjustable in height supported by cantilevers or other provisions mounted in openings in the building, e.g. window openings
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR OTHER BUILDING 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
    • E04G5/007Devices and methods for erecting scaffolds, e.g. automatic scaffold erectors
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR OTHER BUILDING 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

Abstract

The invention discloses a construction method and a supporting system for a high-rise suspension structure, wherein the construction method comprises the following steps: constructing a main body structure to a bottom mounting station of the suspension structure; mounting a supporting platform overhanging the outer side of the main body structure on the constructed main body structure; constructing a suspension structure on the supporting platform, and arranging an inclined strut member bar between the suspension structure and the main body structure to support the suspension structure; continuing to construct the main structure upwards, and constructing the suspension structure and the diagonal brace rod piece layer by layer from bottom to top along with the construction of the main structure; directly constructing the suspension structure on the main body structure until the construction main body structure reaches a top installation station of the suspension structure, so that the suspension structure is fixed with the main body structure; and (4) dismantling the supporting platform and the diagonal bracing members. The invention changes the construction sequence of the suspension structure, reduces the construction difficulty, eliminates the defect that the traditional floor type support bent frame cannot be disassembled for a long time to influence the traffic and the construction period, and improves the construction efficiency.

Description

Construction method and support system for high-rise suspension structure

Technical Field

The invention relates to the field of building construction, in particular to a construction method and a supporting system for a high-rise suspension structure.

Background

At present, large public construction at home and abroad mostly has suspension structures such as suspension posts, and meanwhile, super high-rise buildings are often provided with suspension structures for decoration effect or lighting area increase. Taking a suspension post as an example, analyzing from load transfer, hanging the suspension post on an upper-layer framework beam and a floor slab, connecting the suspension post with an upper-layer floor slab and a lower-layer floor slab, wherein the post is a tension rod; the force transfer is different from the conventional concept of a beam behind a prior column which is a compression member where the suspension columns act to transfer the load from below to above. Therefore, the conventional construction method is to perform construction from top to bottom, and the construction method has the following problems: 1) construction from a high layer downwards, the difficulty in building a support system is high, the support system is complex to build, and a large amount of materials are consumed 2) after the top of the hanging column is stressed, the floor type support system can be dismantled after stress monitoring, and the support system cannot be dismantled for a long time, so that the construction period and traffic organization are seriously influenced; 3) the concrete column construction process from top to bottom is easy to crack due to tension, and meanwhile deformation control difficulty is high, and potential quality hazards are more.

Disclosure of Invention

In order to solve the above and other potential technical problems, the present invention provides a construction method for a high-rise suspended structure and a support system for a high-rise suspended structure, which can effectively solve the outstanding problems of difficult construction and time-consuming construction from top to bottom during the construction of suspended structures, such as suspension posts.

To achieve the above technical effects, a first aspect of the present invention provides a construction method for a high-rise suspension structure, including:

constructing a main body structure to a bottom mounting station of the suspension structure;

mounting a supporting platform which is cantilevered outside the main body structure on the constructed main body structure;

constructing a suspension structure on the supporting platform, and arranging an inclined strut member between the suspension structure and the main body structure to support the suspension structure;

continuing to construct the main structure upwards, and constructing the suspension structure and the diagonal brace rod piece layer by layer from bottom to top along with the construction of the main structure;

directly constructing the suspension structure on the main body structure until the main body structure is constructed to a top mounting station of the suspension structure, so that the suspension structure is fixed with the main body structure;

and removing the supporting platform and the diagonal bracing member.

The construction method is further improved in that the main structure comprises a structural floor slab and a structural column, and the suspension structure is a suspension column which is folded at the top and fixed on the structural column.

The construction method is further improved in that the support platform is installed on the main structure through the following steps:

fixing the support platform on the structural column of the main structure;

and a platform inclined strut is additionally arranged between the bottom of the supporting platform and the structural column.

The construction method is further improved in that a diagonal brace member is arranged between the suspension structure and the main structure to support the suspension structure, and comprises the following steps: and fixedly connecting the first end of the diagonal brace rod piece to the structural column, and fixedly connecting the second end of the diagonal brace rod piece to the suspension structure after construction.

The construction method is further improved in that the construction of the suspension structure on the supporting platform comprises the following steps:

erecting a supporting jig frame on the supporting platform;

and a suspension structure is arranged on the support tire frame.

The invention provides a support system for a high-rise suspension structure, which comprises a support platform mounted on a main structure in an overhanging manner and a plurality of diagonal bracing members mounted on the main structure layer by layer along a vertical mounting station of the suspension structure, wherein the support platform is arranged at a position corresponding to a bottom mounting station of the suspension structure, and outer vertical surfaces of the diagonal bracing members form a truss support surface for supporting the suspension structure.

The supporting system is further improved in that a platform inclined strut is arranged between the bottom of the supporting platform and the main structure, and a supporting jig frame used for installing the suspension structure is erected on the supporting platform.

The support system is further improved in that the main structure comprises a structural floor slab and a structural column, and the suspension structure is a suspension post which is folded at the top and fixed on the structural column.

The support system is further improved in that the support platform comprises a platform main beam fixed between the adjacent structural columns, a platform secondary beam fixed on the platform main beam and a platform plate laid on the platform secondary beam.

The supporting system is further improved in that the platform main beam and the platform secondary beam are combined to form a cross beam.

Due to the adoption of the technical scheme, the invention has the following beneficial effects: the utility model provides a be applicable to high-rise suspended structure according to the normal process of structure, from down constructing the structure floor and the structure post of major structure earlier up, construct supporting platform again, this kind of supporting platform combines together with former major structure, in being equivalent to the substructure accomplish the back anchor again into the roof beam, then successive layer loading, every layer increases bracing member spare, so that each layer structure forms the truss system, guarantee suspended structure support system safety, so both save the time limit for a project, the construction degree of difficulty has been reduced again, there is safe and reliable, practice thrift the time limit for a project, can have enough to meet the need the utilization, the technology is simple, advantages such as reduce cost.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a process flow chart of a construction method for a high-rise suspension structure according to an embodiment of the present invention.

Fig. 2 to 5 are schematic structural diagrams of steps of a construction method for a high-rise suspension structure according to an embodiment of the present invention.

Detailed Description

The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention.

It should be noted that the structures, ratios, sizes, and the like shown in the drawings attached to the present specification are only used for matching the disclosure of the present specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions of the present invention, so that the present invention has no technical essence, and any structural modification, ratio relationship change, or size adjustment should still fall within the scope of the present invention without affecting the efficacy and the achievable purpose of the present invention. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.

The invention provides a construction method of a suspension structure, which is suitable for a high-rise suspension structure to be constructed from bottom to top according to the normal working procedures of a main structure, and a support system suitable for the construction method of the suspension structure, aiming at overcoming the defects and shortcomings in the construction process of the traditional suspension structure and solving the outstanding problems of high construction difficulty and construction period consumption from top to bottom in the construction process of the suspension structure.

The invention is described in further detail below with reference to the figures and the embodiments.

Referring to fig. 1 to 5, fig. 1 is a process flow chart of a construction method for a high-rise suspension structure according to an embodiment of the present invention, and fig. 2 to 5 are schematic structural diagrams of steps of the construction method for a high-rise suspension structure according to an embodiment of the present invention.

As shown in fig. 1, an embodiment of the present invention provides a construction method for a high-rise suspended structure, including:

step 101: constructing a main body structure to a bottom mounting station of the suspension structure;

step 102: mounting a supporting platform overhanging the outer side of the main body structure on the constructed main body structure;

step 103: constructing a suspension structure on the supporting platform, and arranging an inclined strut member bar between the suspension structure and the main body structure to support the suspension structure;

step 104: continuing to construct the main structure upwards, and constructing the suspension structure and the diagonal brace rod piece layer by layer from bottom to top along with the construction of the main structure;

step 105: directly constructing the suspension structure on the main body structure until the construction main body structure reaches a top installation station of the suspension structure, so that the suspension structure is fixed with the main body structure;

step 106: and (4) dismantling the supporting platform and the diagonal bracing members.

As shown in fig. 2, in step 101, the main structure includes a structural floor 21 and structural columns 22, and at least two structural columns 22 are disposed side by side and spaced apart at an edge of the structural floor 21.

As shown in fig. 2 and 3, in step 102, the support platform 11 is mounted on the main structure by:

securing the support platform 11 to the structural column 22 of the host structure;

a platform brace 110 is added between the bottom of the support platform 11 and the structural column 22.

Wherein, supporting platform 11 further includes the platform girder 111 that is fixed in between two adjacent structure posts 22, be fixed in platform secondary beam 112 on the platform girder 111 and lay the landing slab (do not mark the landing slab in the figure) on platform secondary beam 112, as shown in fig. 3, platform girder 111 adopts four H shaped steel to be the rectangle and surrounds and form, and one side of platform girder 111 is firmly fixed between two adjacent structure posts 22, and the opposite side of platform girder 111 encorbelments in the outside of cylinder structure. The platform secondary beam 112 is made of H-shaped steel and is combined with the platform main beam 111 to form a cross beam, and the main specification of the cross beam is shown in table 1. The platform inclined strut 110 is made of H-shaped steel, and the main specification of the platform inclined strut is shown in table 1, wherein a first end of the platform inclined strut 110 is fixed to the structural column 22 of the main body structure, a second end of the platform inclined strut 110 is fixed to the bottom of the outer side of the platform main beam 111, and the platform inclined strut 110 is used for enabling the supporting platform 11 to transfer force and resultant force, so that the deflection of the end part of the supporting platform is reduced. The platform board adopts about 8mm thick steel plate, makes whole supporting platform not only become reliable load supporting platform, also becomes the operation platform of work progress simultaneously.

TABLE 1 Main Material Specifications for support systems

As shown in fig. 4, in step 103, after the bottom supporting platform 11 is installed, a supporting jig frame (not shown) is set up on the supporting platform 11, the supporting jig frame can be a full frame, and then the construction of the suspended structure is performed by using the supporting jig frame. The suspension structure in this embodiment is a suspension post 30, the top of the suspension post 30 is folded and fixed to the structural post 22 of the main structure, the bottom of the suspension post 30 is suspended and keeps a certain distance from the main structure, and the load of the suspension post 30 is mainly distributed at the top of the suspension post connected with the main structure.

Meanwhile, when constructing the suspension posts 30 corresponding to the floors, the diagonal brace 12 is arranged between the suspension posts 30 and the structural posts 22 of the main structure, the diagonal brace 12 is made of H-shaped steel, the main specification of which is shown in table 1, and the inclination angle of the diagonal brace 12 is generally 30-60 degrees, preferably 45 degrees. The bracing member 12 is arranged between the suspension post 30 and the structural post 22 to support the suspension post 30, so that the structural post 22, the bracing member 12 and the suspension post 30 are combined to form a truss system, and the safety of the support system of the suspension post 30 is improved.

As shown in fig. 5, in step 104, after the construction of the first layer of suspension posts and the first layer of diagonal bracing members is completed, the structural floor 21 and the structural posts 22 of the upper layer of main structure are continuously constructed upwards, and after the construction of the structural floor 21 and the structural posts 22 of the upper layer of main structure is completed, the construction of the suspension posts and the diagonal bracing members of the upper layer of main structure is performed by using the support jig erected on the support platform 11 at the bottom. And repeating the steps, and constructing the suspension columns and the diagonal brace rod pieces layer by layer from bottom to top along with the layer-by-layer upward construction of the main structure.

And (3) until the main body structure is constructed to the top mounting station of the suspension column, directly constructing the suspension column 30 on the main body structure, enabling the top of the suspension column 30 and the structure column 22 of the main body structure to be folded and fixed, and completing the mounting of the whole suspension column 30 and the main body structure.

And finally, dismantling the supporting platform at the bottom and the diagonal bracing member between the hanging column and the main body structure. After the construction is completed, the supporting platform and the diagonal brace rod piece are detached at one time, the detached supporting platform and the detached diagonal brace rod piece can be recycled, the cost is saved, the problem that a supporting system in a traditional mode is repeatedly erected can be solved, and the construction speed is accelerated.

The construction method for the high-rise suspension structure in the embodiment of the invention provides a construction method suitable for the high-rise suspension structure, if a suspension post is constructed according to a normal process, a structural floor slab and a structural post of a main body structure are constructed firstly from bottom to top, and then a supporting platform is constructed.

Referring to fig. 5, an embodiment of the present invention provides a support system for a high-rise suspended structure suitable for the above construction method, which mainly includes a support platform 11 installed on a main structure in a cantilevered manner, and a plurality of diagonal brace members 12 installed on the main structure layer by layer along a vertical installation station of the suspended structure, wherein the support platform 11 is installed at a position corresponding to a bottom installation station of the suspended structure, and outer vertical surfaces of the diagonal brace members 12 form a truss support surface for supporting the suspended structure.

In this embodiment, the main structure includes a structural floor 21 and structural columns 22, at least two structural columns 22 are arranged at the edge of the structural floor 21 side by side and alternately, and the suspension structure adopts a suspension column 30 which is closed at the top and fixed on the structural columns.

The bottom of the supporting platform 11 and the structural columns 22 of the main structure are provided with a platform diagonal brace 110 therebetween, the supporting platform 11 comprises a platform main beam 111 fixed between the adjacent structural columns 22, a platform secondary beam 112 fixed on the platform main beam 111 and a platform plate laid on the platform secondary beam 112, wherein the platform main beam 111 and the platform secondary beam 112 both adopt H-shaped steel and are combined to form a cross beam. One side of the cross beam is firmly fixed between two adjacent structural columns 22 and the other side of the cross beam overhangs the outside of the column structure. The platform diagonal brace 110 is obliquely supported between the structural column 22 of the main body structure and the bottom of the supporting platform 11, the first end of the platform diagonal brace 110 is fixedly connected to the structural column 22, and the second end of the platform diagonal brace 110 is obliquely and upwardly arranged and fixedly connected to the bottom of the platform main beam 111. A supporting jig frame for installing the hanging column is further erected on the supporting platform 11, and the supporting jig frame is erected on a platform plate of the supporting platform 11. The whole supporting platform can be a reliable load supporting platform of the suspension post and can also be an operation platform in the construction process.

The construction method and the support system for the high-rise suspension structure in the embodiment of the invention are mainly characterized in that: the supporting platform is formed by welding and combining H-shaped steel with common specifications on the market, the materials are convenient to obtain, and the connection is safe and reliable; the truss system is formed by combining a formal structure (an original main body structure and a suspension structure) and the diagonal bracing members, so that the safety of the support system is improved, the investment of support measures is reduced, the truss system can be disassembled once after construction is finished, the truss system can be repeatedly used, and the cost is saved; the supporting platform is installed and removed at one time, so that the problem that a supporting system is repeatedly erected in a traditional mode is solved; the construction method changes the construction sequence of the suspension structure, reduces the construction difficulty, eliminates the defect that the traditional floor type support bent frame cannot be disassembled for a long time to influence the traffic and the construction period, and improves the construction efficiency.

Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (6)

1. A construction method for a high-rise suspended structure, comprising:
constructing a main body structure to a bottom mounting station of the suspension structure;
mounting a supporting platform which is cantilevered outside the main body structure on the constructed main body structure;
constructing a suspension structure on the supporting platform, and arranging an inclined strut member between the suspension structure and the main body structure to support the suspension structure;
continuing to construct the main structure upwards, and constructing the suspension structure and the diagonal brace rod piece layer by layer from bottom to top along with the construction of the main structure;
directly constructing the suspension structure on the main body structure until the main body structure is constructed to a top mounting station of the suspension structure, so that the suspension structure is fixed with the main body structure;
dismantling the supporting platform and the diagonal bracing members;
the main structure comprises a structural floor slab and structural columns, at least two structural columns are arranged at the edge of the structural floor slab side by side and at intervals, the suspension structure is a hanging column with the top folded and fixed on the structural columns, and the bottom of the hanging column is suspended and keeps a certain distance from the main structure;
further, the construction of the suspension structure on the support platform includes:
erecting a supporting jig frame on the supporting platform;
and a suspension structure is arranged on the support tire frame.
2. A construction method for a high-rise suspended structure according to claim 1, wherein the support platform is installed on the main structure by:
fixing the support platform on the structural column of the main structure;
and a platform inclined strut is additionally arranged between the bottom of the supporting platform and the structural column.
3. The construction method for a high-rise suspended structure according to claim 1, wherein providing a diagonal brace member between the suspended structure and the main structure to support the suspended structure, comprises: and fixedly connecting the first end of the diagonal brace rod piece to the structural column, and fixedly connecting the second end of the diagonal brace rod piece to the suspension structure after construction.
4. A support system for a high-rise suspended structure, characterized by: the device comprises a supporting platform which is installed on a main body structure in an overhanging mode and a plurality of diagonal bracing members which are installed on the main body structure layer by layer along a vertical installation station of a suspension structure, wherein the supporting platform is arranged at a position corresponding to a bottom installation station of the suspension structure, and the outer vertical surfaces of the diagonal bracing members form a truss supporting surface for supporting the suspension structure; the major structure includes structure floor and structure post, two at least the structure post is in side by side and set up alternately the edge of structure floor, suspension structure folds for the top and is fixed in the davit of structure post, the bottom of davit unsettled and with keep the certain distance between the major structure, supporting platform's bottom with be equipped with the platform bracing between the major structure, the last support bed-jig that has set up of supporting platform is used for the installation suspension structure.
5. A support system for a high-rise suspended structure according to claim 4, wherein: the supporting platform comprises a platform main beam fixed between the adjacent structural columns, a platform secondary beam fixed on the platform main beam and a platform plate laid on the platform secondary beam.
6. A support system for a high-rise suspended structure according to claim 5, wherein: the platform main beam and the platform secondary beam are combined to form a cross beam.
CN201710118358.8A 2017-03-01 2017-03-01 Construction method and support system for high-rise suspension structure CN106988520B (en)

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CN106988520B true CN106988520B (en) 2020-06-09

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2284395C2 (en) * 2004-01-22 2006-09-27 Закрытое акционерное общество "Жилстрой" Building erection method
CN101538896A (en) * 2009-04-03 2009-09-23 标力建设集团有限公司 Construction method for jettied structure at high attitude of high-rise building
CN102966240A (en) * 2012-11-30 2013-03-13 福建省第五建筑工程公司 Construction method for high-altitude reinforced concrete outer cantilevered structure
CN103526928A (en) * 2013-09-22 2014-01-22 中国建筑第八工程局有限公司 High-rise cantilever conversion spatial frame structure construction method
CN103669845A (en) * 2013-12-26 2014-03-26 常州第一建筑集团有限公司 High-altitude long-span overhung cornice formwork supporting system and constructing method thereof
CN104100090A (en) * 2014-07-17 2014-10-15 成都市第四建筑工程公司 High-altitude comprehensive construction method of big-cantilever steel truss structure

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2284395C2 (en) * 2004-01-22 2006-09-27 Закрытое акционерное общество "Жилстрой" Building erection method
CN101538896A (en) * 2009-04-03 2009-09-23 标力建设集团有限公司 Construction method for jettied structure at high attitude of high-rise building
CN102966240A (en) * 2012-11-30 2013-03-13 福建省第五建筑工程公司 Construction method for high-altitude reinforced concrete outer cantilevered structure
CN103526928A (en) * 2013-09-22 2014-01-22 中国建筑第八工程局有限公司 High-rise cantilever conversion spatial frame structure construction method
CN103669845A (en) * 2013-12-26 2014-03-26 常州第一建筑集团有限公司 High-altitude long-span overhung cornice formwork supporting system and constructing method thereof
CN104100090A (en) * 2014-07-17 2014-10-15 成都市第四建筑工程公司 High-altitude comprehensive construction method of big-cantilever steel truss structure

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