CN110565809A - Combined type super high-rise structure and construction method - Google Patents
Combined type super high-rise structure and construction method Download PDFInfo
- Publication number
- CN110565809A CN110565809A CN201910751174.4A CN201910751174A CN110565809A CN 110565809 A CN110565809 A CN 110565809A CN 201910751174 A CN201910751174 A CN 201910751174A CN 110565809 A CN110565809 A CN 110565809A
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- core tube
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- frame
- tube structure
- steel beam
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- 238000010276 construction Methods 0.000 title claims abstract description 42
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 110
- 239000010959 steel Substances 0.000 claims abstract description 110
- 239000011150 reinforced concrete Substances 0.000 claims abstract description 80
- 238000009415 formwork Methods 0.000 claims abstract description 10
- 230000009194 climbing Effects 0.000 claims abstract description 6
- 239000002131 composite material Substances 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 abstract description 6
- 235000017166 Bambusa arundinacea Nutrition 0.000 abstract description 3
- 235000017491 Bambusa tulda Nutrition 0.000 abstract description 3
- 241001330002 Bambuseae Species 0.000 abstract description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 abstract description 3
- 239000011425 bamboo Substances 0.000 abstract description 3
- 239000004567 concrete Substances 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/34—Extraordinary structures, e.g. with suspended or cantilever parts supported by masts or tower-like structures enclosing elevators or stairs; Features relating to the elastic stability
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- 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
- E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
- E04G11/06—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for walls, e.g. curved end panels for wall shutterings; filler elements for wall shutterings; shutterings for vertical ducts
- E04G11/20—Movable forms; Movable forms for moulding cylindrical, conical or hyperbolical structures; Templates serving as forms for positioning blocks or the like
- E04G11/28—Climbing forms, i.e. forms which are not in contact with the poured concrete during lifting from layer to layer and which are anchored in the hardened concrete
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Rod-Shaped Construction Members (AREA)
Abstract
the invention relates to a combined type super high-rise structure and a construction method, which comprises a reinforced concrete frame-core tube structure positioned at the bottom and a stiff column steel beam frame-core tube structure fixed at the top of the reinforced concrete frame-core tube structure, wherein the reinforced concrete frame and the core tube in the reinforced concrete frame-core tube structure are constructed by adopting an integral lifting scaffold, the core tube in the stiff column steel beam frame-core tube structure is constructed by adopting an integral steel platform formwork system, and the stiff column steel beam frame is constructed by adopting the integral lifting scaffold. Adopt whole promotion formula scaffold system in reinforced concrete frame region, construct core section of thick bamboo and reinforced concrete frame simultaneously, reduce the difference in height operation face, improve construction speed. In a stiff column steel beam frame structure area, firstly, an internal core tube structure is constructed by adopting an integral climbing steel platform system, so that peripheral steel beams are conveniently connected to the core tube, and then, a stiff column steel beam frame is constructed by adopting an integral scaffold, so that rapid construction is realized.
Description
Technical Field
The invention relates to the technical field of super high-rise structures, in particular to a combined super high-rise structure and a construction method.
Background
in a conventional super high-rise building structure system, two arrangement schemes of a reinforced concrete frame-core tube structure and a stiff concrete column steel beam-core tube structure are generally adopted. But the using height of the former is 200-250 m at most, when the height exceeds the height interval, the self weight of the structure is increased rapidly, so that the earthquake reaction is increased rapidly, and the high requirement on the earthquake resistance of the structure is provided; in the latter case, although the height suitable for the steel structure is high, the steel structure can be used at the height of more than 300m, but the steel structure also has the problems of large using amount of the steel structure, poor economical efficiency and the defect that the net height of the steel structure is much smaller than that of the former.
Disclosure of Invention
the invention overcomes the defects of two structural systems of a reinforced concrete frame-core tube structure and a stiff column steel beam frame-core tube structure, combines the advantages of the reinforced concrete frame and the core tube structure, invents a novel structural system and invents a construction method suitable for the novel structural system, namely provides a novel combined type super high-rise structure and a construction method.
the invention solves the technical problems through the following technical scheme:
the invention provides a combined type super high-rise structure which is characterized by comprising a reinforced concrete frame-core tube structure positioned at the bottom and a stiff column steel beam frame-core tube structure fixed at the top of the reinforced concrete frame-core tube structure, wherein the reinforced concrete frame and the core tube in the reinforced concrete frame-core tube structure are constructed by adopting an integral lifting scaffold, the core tube in the stiff column steel beam frame-core tube structure is constructed by adopting an integral steel platform formwork system, and the stiff column steel beam frame is constructed by adopting the integral lifting scaffold.
In the structural low region, a reinforced concrete frame-core tube structure system is adopted, so that the consumption of steel structures is saved. In a structural high area, a stiff concrete column steel beam-core barrel structure system is adopted, wherein the beam is in a profile steel structure, and the floor slab is a profiled steel sheet combined floor slab, so that the self weight of the structure is reduced, and the influence of the earthquake reaction of the structure is reduced.
preferably, the outer frame columns, the frame beams and the floor slabs contained in the reinforced concrete frame are all of reinforced concrete structures.
Preferably, the steel beam frame comprises an outer frame column in a steel reinforced steel concrete column structure, a frame beam in a profile steel structure and a floor slab in a profiled steel sheet composite floor slab.
preferably, the reinforced concrete frame is internally reinforced with a deep beam.
preferably, steel trusses are reinforced within the stiff column steel frame.
The invention also provides a construction method of the combined type super high-rise structure, which is characterized by comprising the following steps:
Step one, adopting a first layer reinforced concrete frame and a second layer reinforced concrete frame of a reinforced concrete frame-core tube structure on a conventional scaffold construction site and a core tube structure;
Step two, dismantling a conventional scaffold, installing an integral lifting scaffold assembled in segments, and constructing a third layer reinforced concrete frame and a core tube structure of a ground reinforced concrete frame-core tube structure;
Step three, continuously installing the integral lifting scaffold assembled in segments, and upwards constructing fourth and fifth reinforced concrete frames and core tube structures of the reinforced concrete frame-core tube structure on the construction site, so that the integral lifting scaffold is installed;
step four, the overall lifting scaffold is lifted upwards for one layer of height, and a reinforced concrete frame and a core tube structure behind the reinforced concrete frame-core tube structure on the ground are constructed;
step five, repeating the step four, and constructing the part upwards within the height range of the reinforced concrete frame-core tube structure;
Installing a conventional scaffold at the top of the reinforced concrete frame-core tube structure, constructing a core tube structure of the stiff column steel beam frame-core tube structure upwards, supporting the conventional scaffold on the top of the reinforced concrete frame, and not constructing a floor slab of the core tube of the stiff column steel beam frame-core tube structure at the moment;
Step seven, suspending construction after constructing four layers of height of the core tube of the stiff column steel beam frame-core tube structure, and dismantling a conventional scaffold for constructing the core tube of the stiff column steel beam frame-core tube structure;
Step eight, installing an integral steel platform formwork system at the core cylinder position of the stiffened column steel beam framework-core cylinder structure;
step nine, the integral steel platform ascends to climb to construct a core tube structure of each layer behind the stiff column steel beam frame-core tube structure, a floor slab of the core tube positioned below the integral steel platform is constructed, and meanwhile, an integral lifting scaffold is used for climbing to construct a stiff column steel beam frame of the stiff column steel beam frame-core tube structure;
tenth, constructing a core tube of the stiff column steel beam frame-core tube structure to the top, and dismantling the integral steel platform formwork system;
And eleventh, constructing the stiff column steel beam framework to the top, dismantling the integral lifting scaffold and finishing the structural construction.
adopt whole promotion formula scaffold system in reinforced concrete frame region, construct core section of thick bamboo and reinforced concrete frame simultaneously, reduce the difference in height operation face, improve construction speed. In a stiff column steel beam frame structure area, firstly adopting an integral climbing steel platform system to construct an internal core tube structure, so that peripheral steel beams are conveniently connected to the core tube to form a frame structure system; and then, the peripheral frame system (stiff column steel beam frame) is constructed by adopting an integral scaffold, so that the optimal combination of construction technologies is realized, and the rapid construction is realized.
on the basis of the common knowledge in the field, the above preferred conditions can be combined randomly to obtain the preferred embodiments of the invention.
the positive progress effects of the invention are as follows:
the invention adopts the combination of two structural systems of a reinforced concrete frame-core tube structure and a stiff column steel beam frame-core tube structure, can be applied to a super high-rise structure with the length of more than 300 meters, simultaneously has good economical efficiency and excellent anti-seismic performance, breaks through the defects of the conventional structural arrangement scheme, and achieves the optimal combination of the reinforced concrete frame and the core tube structure. The construction method solves the construction problem of the new structure form.
Drawings
FIG. 1 is a schematic diagram of a combination structure according to a preferred embodiment of the present invention.
Fig. 2 is a schematic view of the first and second stories of the construction site using the conventional scaffolding according to the preferred embodiment of the present invention.
fig. 3 is a schematic view of the conventional scaffolding being dismantled, the integral lifting scaffolding being installed and being constructed upward according to the preferred embodiment of the present invention.
fig. 4 is a schematic view illustrating the installation of the integral lifting scaffold according to the preferred embodiment of the present invention.
Fig. 5 is a schematic view illustrating the construction of the integral lifting scaffold for climbing upward according to the preferred embodiment of the present invention.
FIG. 6 is a partially completed view of the construction of the outer frame structure of reinforced concrete according to the preferred embodiment of the present invention.
Fig. 7 is a schematic structural view of a core tube constructed by building a conventional scaffold at the position of the core tube according to the preferred embodiment of the present invention.
fig. 8 is a structural view illustrating the construction of the integral steel platform for removing the conventional scaffold and installing the conventional scaffold according to the preferred embodiment of the present invention.
Fig. 9 is a schematic structural view of a peripheral frame of a rigid column steel beam for the integral steel platform climbing-up construction of a core tube and the integral lifting scaffold in the preferred embodiment of the invention.
fig. 10 is a flowchart of a construction method of a combined super high-rise structure according to a preferred embodiment of the present invention.
Detailed Description
in order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
As shown in fig. 1 to 9, the present embodiment provides a combined super high-rise structure, which includes a reinforced concrete frame-core tube structure 1 located at the bottom and a stiff column steel beam frame-core tube structure 2 fixed at the top of the reinforced concrete frame-core tube structure 1, wherein a reinforced concrete frame 11 and a core tube 12 in the reinforced concrete frame-core tube structure 1 are constructed by using an integral lifting scaffold 3, a core tube 22 in the stiff column steel beam frame-core tube structure 2 is constructed by using an integral steel platform 4 formwork system, and a stiff column steel beam frame 21 is constructed by using an integral lifting scaffold 3, so as to implement the construction of the super high-rise reinforced concrete frame-core tube and stiff column steel beam frame-core tube combined structure.
the outer frame columns 111, the frame beams 112 and the floor slabs contained in the reinforced concrete frame 11 are all of reinforced concrete structures, the outer frame columns 211 contained in the stiff column steel beam frame 21 are of stiff steel reinforced concrete column structures, the frame beams 212 are of profile steel structures, and the floor slabs are profiled steel sheet composite floor slabs.
The deep beam 113 is reinforced in the reinforced concrete frame 11, the steel truss 213 is reinforced in the stiff column steel beam frame 21, the rigidity is high, the anti-seismic performance is good, the construction is synchronous with the floor structure and the core tube, the construction speed is high, and the materials are saved.
In the structural low region, a reinforced concrete frame-core tube structure system is adopted, so that the consumption of steel structures is saved. In a structural high area, a stiff concrete column steel beam-core barrel structure system is adopted, wherein the beam is in a profile steel structure, and the floor slab is a profiled steel sheet combined floor slab, so that the self weight of the structure is reduced, and the influence of the earthquake reaction of the structure is reduced.
As shown in fig. 1 to 10, this embodiment further provides a construction method of a combined super high-rise structure, which includes the following steps:
Step one, adopting a first layer reinforced concrete frame 11 and a second layer reinforced concrete frame 12 structure of a reinforced concrete frame-core tube structure on a construction site by adopting a conventional scaffold 5 (see figure 2);
Step two, dismantling the conventional scaffold 5, installing the integral lifting scaffold 3 assembled in segments, and constructing a third layer reinforced concrete frame 11 and a core tube 12 structure of a reinforced concrete frame-core tube structure on a construction site (see fig. 3);
thirdly, continuously installing the integral lifting scaffold 3 in a segmented mode, and upwards constructing the fourth and fifth reinforced concrete frame 11 and core tube 12 structures of the reinforced concrete frame-core tube structure on the site, so that the integral lifting scaffold is installed (see fig. 4);
Step four, the integral lifting scaffold 3 ascends to a height of one layer, and a reinforced concrete frame 11 and a core tube 12 structure which are the next layer of the reinforced concrete frame-core tube structure on the construction ground are constructed (see figure 5);
step five, repeating the step four, and constructing the part upwards within the height range of the reinforced concrete frame-core tube structure (see figure 6);
step six, installing a conventional scaffold 5 at the top of the reinforced concrete frame-core tube structure, and upwards constructing a core tube 22 structure of the stiff column steel beam frame-core tube structure, wherein the floor type conventional scaffold 5 is supported on the reinforced concrete frame beam 212 and a floor slab, and at the moment, the floor slab of the core tube 22 of the stiff column steel beam frame-core tube structure is not constructed (see fig. 7);
step seven, suspending construction after the core tube 22 of the stiff column steel beam frame-core tube structure is constructed to four layers of height, and dismantling a conventional scaffold 5 (shown in figure 8) for constructing the core tube of the stiff column steel beam frame-core tube structure;
Step eight, installing an integral steel platform 4 formwork system at the position of a core tube 22 of the stiffened column steel beam framework-core tube structure (see figure 8);
step nine, the integral steel platform 4 ascends to construct a core tube 22 structure of each layer behind the stiff column steel beam framework-core tube structure, a floor slab of the core tube 22 positioned below the integral steel platform is constructed, and meanwhile, a stiff column steel beam framework 211 (a stiff steel reinforced concrete column structure, a steel frame beam and a profiled steel sheet combined floor slab) of the stiff column steel beam framework-core tube structure is constructed in a climbing mode by utilizing the integral lifting scaffold 3 (see figure 9);
Tenth, constructing a core tube 22 of a stiff column steel beam frame-core tube structure to the top, and dismantling the integral steel platform 4 formwork system;
Step eleven, constructing the stiff column steel beam frame 211 to the top, dismantling the integral lifting scaffold 3 and completing the structural construction.
Adopt whole promotion formula scaffold system in reinforced concrete frame region, construct core section of thick bamboo and reinforced concrete frame simultaneously, reduce the difference in height operation face, improve construction speed. In a stiff column steel beam frame structure area, firstly, an internal core tube structure is constructed by adopting an integral steel platform, so that peripheral steel beams are conveniently connected to the core tube to form a frame structure system; and then, the peripheral frame system is constructed by adopting an integral scaffold, the optimal combination of the existing construction technology is realized, the construction problem of the novel structure is solved, and the rapid construction is realized.
while specific embodiments of the invention have been described above, it will be appreciated by those skilled in the art that these are by way of example only, and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and scope of the invention, and these changes and modifications are within the scope of the invention.
Claims (6)
1. A combined super high-rise structure is characterized by comprising a reinforced concrete frame-core tube structure and a stiff column steel beam frame-core tube structure, wherein the reinforced concrete frame-core tube structure is positioned at the bottom, the stiff column steel beam frame-core tube structure is fixed at the top of the reinforced concrete frame-core tube structure, the reinforced concrete frame and the core tube in the reinforced concrete frame-core tube structure are constructed by adopting an integral lifting scaffold, the core tube in the stiff column steel beam frame-core tube structure is constructed by adopting an integral steel platform formwork system, and the stiff column steel beam frame is constructed by adopting the integral lifting scaffold.
2. The modular very high-rise structure of claim 1, wherein the outer frame columns, frame beams and floor slabs comprised in the reinforced concrete frame are reinforced concrete structures.
3. The modular very high-rise structure of claim 1, wherein the steel-reinforced column-steel frame comprises an outer frame column of steel-reinforced concrete column structure, a frame beam of steel section structure and a floor slab of profiled steel sheet composite floor slab.
4. The modular very high-rise structure of claim 1, wherein deep beams are reinforced in the reinforced concrete frame.
5. The modular very high-rise structure of claim 1, wherein steel trusses are reinforced in the stiff girder-column framework.
6. A construction method of a combined type super high-rise structure is characterized by comprising the following steps:
Step one, adopting a first layer reinforced concrete frame and a second layer reinforced concrete frame of a reinforced concrete frame-core tube structure on a conventional scaffold construction site and a core tube structure;
step two, dismantling a conventional scaffold, installing an integral lifting scaffold assembled in segments, and constructing a third layer reinforced concrete frame and a core tube structure of a ground reinforced concrete frame-core tube structure;
Step three, continuously installing the integral lifting scaffold assembled in segments, and upwards constructing fourth and fifth reinforced concrete frames and core tube structures of the reinforced concrete frame-core tube structure on the construction site, so that the integral lifting scaffold is installed;
step four, the overall lifting scaffold is lifted upwards for one layer of height, and a reinforced concrete frame and a core tube structure behind the reinforced concrete frame-core tube structure on the ground are constructed;
step five, repeating the step four, and constructing the part upwards within the height range of the reinforced concrete frame-core tube structure;
Installing a conventional scaffold at the top of the reinforced concrete frame-core tube structure, constructing a core tube structure of the stiff column steel beam frame-core tube structure upwards, supporting the conventional scaffold on the top of the reinforced concrete frame, and not constructing a floor slab of the core tube of the stiff column steel beam frame-core tube structure at the moment;
step seven, suspending construction after constructing four layers of height of the core tube of the stiff column steel beam frame-core tube structure, and dismantling a conventional scaffold for constructing the core tube of the stiff column steel beam frame-core tube structure;
Step eight, installing an integral steel platform formwork system at the core cylinder position of the stiffened column steel beam framework-core cylinder structure;
Step nine, the integral steel platform ascends to climb to construct a core tube structure of each layer behind the stiff column steel beam frame-core tube structure, a floor slab of the core tube positioned below the integral steel platform is constructed, and meanwhile, an integral lifting scaffold is used for climbing to construct a stiff column steel beam frame of the stiff column steel beam frame-core tube structure;
tenth, constructing a core tube of the stiff column steel beam frame-core tube structure to the top, and dismantling the integral steel platform formwork system;
and eleventh, constructing the stiff column steel beam framework to the top, dismantling the integral lifting scaffold and finishing the structural construction.
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| CN201910751174.4A CN110565809A (en) | 2019-08-15 | 2019-08-15 | Combined type super high-rise structure and construction method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111927111A (en) * | 2020-09-22 | 2020-11-13 | 上海建工集团股份有限公司 | Construction method of ultrahigh special-shaped outer frame steel structure |
| CN113982115A (en) * | 2021-11-12 | 2022-01-28 | 中建科工集团有限公司 | Frame-core tube construction method |
| CN114263275A (en) * | 2022-01-06 | 2022-04-01 | 中建五局华东建设有限公司 | High-rise assembled steel structure-core tube same-layer construction method |
| CN117211535A (en) * | 2023-08-31 | 2023-12-12 | 上海宝冶集团有限公司 | Construction method for building cantilever scaffold free of core tube structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111927111A (en) * | 2020-09-22 | 2020-11-13 | 上海建工集团股份有限公司 | Construction method of ultrahigh special-shaped outer frame steel structure |
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| CN113982115A (en) * | 2021-11-12 | 2022-01-28 | 中建科工集团有限公司 | Frame-core tube construction method |
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| CN114263275A (en) * | 2022-01-06 | 2022-04-01 | 中建五局华东建设有限公司 | High-rise assembled steel structure-core tube same-layer construction method |
| CN114263275B (en) * | 2022-01-06 | 2023-06-09 | 中建五局华东建设有限公司 | Construction method for same-layer construction of high-rise assembled steel structure-core tube |
| CN117211535A (en) * | 2023-08-31 | 2023-12-12 | 上海宝冶集团有限公司 | Construction method for building cantilever scaffold free of core tube structure |
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