CN111188457A - Edge sealing beam structure of super high-rise steel structure building and construction method - Google Patents
Edge sealing beam structure of super high-rise steel structure building and construction method Download PDFInfo
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- CN111188457A CN111188457A CN202010013528.8A CN202010013528A CN111188457A CN 111188457 A CN111188457 A CN 111188457A CN 202010013528 A CN202010013528 A CN 202010013528A CN 111188457 A CN111188457 A CN 111188457A
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
- E04C3/20—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of concrete or other stone-like material, e.g. with reinforcements or tensioning members
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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
- E04B1/38—Connections for building structures in general
- E04B1/58—Connections for building structures in general of bar-shaped building elements
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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
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
- E04B5/32—Floor structures wholly cast in situ with or without form units or reinforcements
- E04B5/36—Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor
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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
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- Architecture (AREA)
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- Structural Engineering (AREA)
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Abstract
The invention relates to the technical field of building structures, in particular to a sealing edge beam structure of a super high-rise steel structure building and a construction method, wherein an outer frame beam column comprises an outer frame column and an outer frame beam, the outer frame column surrounds the periphery of a building base surface, all the outer frame columns are connected through the outer frame beam, an overhanging steel beam is arranged in the outer direction of the outer frame column, a sealing edge floor plate is arranged above the overhanging steel beam, a sealing edge structure is arranged at the outer end of the sealing edge beam, the sealing edge structure is that the prefabricated sealing edge beam comprises a prefabricated concrete beam, a prefabricated template and reserved steel bars, the sealing edge floor plate is arranged on the outer side of the outer frame column and the outer frame beam, the sealing edge beam structure is suitable for adopting a prefabricated concrete beam structure, the prefabricated sealing edge beam has high rigidity; the prefabricated edge sealing beam can be produced in a large scale, is low in manufacturing cost and convenient to install, saves materials in a super high-rise building adopting the edge sealing steel beam form, reduces the field workload, simplifies the construction and accelerates the construction speed.
Description
Technical Field
The invention relates to the technical field of building structures, in particular to a sealing edge beam structure of a super high-rise steel structure building and a construction method.
Background
The super high-rise building generally adopts a mixed structure system, an outer frame beam column of the tower adopts a steel structure, and the outer frame beam column comprises an outer frame column and an outer frame beam; and edge sealing floor slabs and edge sealing steel beams are arranged around the outer frame beam columns according to the requirement of the external curtain wall.
Currently, there are two construction schemes.
(1) Edge-sealing steel beam 3A scheme
(2) Floor slab edge sealing 3B scheme
The outer side of the edge sealing floor slab is provided with a concrete floor slab flanging 3B, and the curtain wall keel is connected to the outer side or the top of the flanging; in order to ensure the construction safety of the edge-sealed floor slab, temporary supports 21 are required to be arranged on the outer side of the edge-sealed floor slab at relatively close intervals; in addition, the flanging templates are required to be arranged on the inner sides of the flanges of the edge-sealed floor slabs to ensure the molding of the flanged concrete.
The edge of the edge-sealed floor slab occupies the indoor space, so that the building effect is poor; the construction of the edge banding floor slab needs to be provided with dense temporary supports and concrete formworks, the field workload is large, the flanging of the edge banding floor slab influences the building function and needs to be supported on the field, and the construction is complex.
Disclosure of Invention
The invention aims to provide a banding beam structure of a super high-rise steel structure building and a construction method, which can greatly reduce the manufacturing cost of a banding floor slab and a banding steel beam on the basis of ensuring the reliable connection of a super high-rise building curtain wall and solve the problems of complex construction and high manufacturing cost of the banding floor slab and the banding steel beam.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a banding beam structure of super high-rise steel structure building, outer frame beam column include outer frame post and frame roof beam, outer frame post encircle the building base face around, connect through the frame roof beam between each outer frame post, the outer direction setting of outer frame post is encorbelmented the girder steel, the girder steel top of encorbelmenting sets up the banding floor, the outer end of banding floor be provided with the banding structure, the outer end of banding structure be provided with the curtain structure, the banding floor in the outside of outer frame post, outer frame roof beam, the banding structure include precast concrete beam, prefabricated template and reserve the reinforcing bar for precast banding beam, reservation reinforcement on the banding floor, prefabricated template sets up the side at the banding floor, reserve the reinforcing bar and be the right angle type, precast concrete beam set up on the reinforcing bar of direction down.
Furthermore, prefabricated banding roof beam overlap joint on the girder steel of encorbelmenting of outer frame post, girder steel one end of encorbelmenting just connects with the outer frame post, one end is connected with prefabricated banding roof beam.
Further, the precast concrete beam is a common precast concrete beam or a prestressed concrete beam.
Furthermore, the edge banding floor slab is a common steel bar truss floor slab or a closed plate, and the interior of the edge banding floor slab comprises a profiled steel sheet at the bottom of the floor slab and a reinforced concrete layer at the upper part of the profiled steel sheet.
Furthermore, one end of the edge-sealed floor slab is connected with the precast concrete beam, and the other end of the edge-sealed floor slab is connected with the outer frame beam; and additional steel bars are arranged at the intersection of the corner of the edge-sealed floor slab and the frame column for connection.
Furthermore, the thickness of the profiled steel sheet at the bottom of the edge banding floor slab is about 1mm, the upper part of the profiled steel sheet is a reinforced concrete layer, and the thickness of the profiled steel sheet is about 120 mm.
Further, girder steel outer end welding baffle of encorbelmenting prevent that prefabricated banding roof beam from toppling.
A construction method of a sealing edge beam structure of a super high-rise steel structure building comprises the following steps:
firstly, integrally pouring a precast concrete beam, a reserved steel bar and a precast template on the ground in a factory or a construction site in advance;
secondly, welding a baffle plate on the cantilever steel beam;
lifting the edge-sealed beam concrete to a super high-rise building floor after the strength of the edge-sealed beam concrete meets the normal use requirement, and paving the edge-sealed beam concrete on the overhanging steel beam;
fourthly, laying the profiled steel plates of the edge-sealed floor slabs on the precast concrete and the outer frame beams, laying edge-sealed floor slab reinforcing steel bars, and binding the precast concrete reserved reinforcing steel bars to the edge-sealed floor slabs;
and fifthly, pouring concrete on the profiled steel sheet in situ, and connecting the edge banding floor slab and the prefabricated edge banding beam into a whole.
Compared with the prior art, the invention has the beneficial effects that:
1. the prefabricated edge sealing beam can be produced in a large scale, is low in manufacturing cost and convenient to install, and saves materials in the super high-rise building adopting the edge sealing steel beam form.
2. The ultra-high-rise steel structure building has standard body, the edge sealing beam has few sizes and types, the edge sealing beam is suitable for adopting a precast concrete beam structure, the precast edge sealing beam has high rigidity, the concrete cracking at the root part of the overhanging steel beam of the edge sealing plate can be avoided, and the method is safe and reliable;
3. the precast concrete beam has no influence on the indoor space and has good building effect; in addition, a large amount of temporary supports and concrete formworks can be saved, the field workload is reduced, the construction is simplified, and the construction speed is accelerated.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a plan view of a super high-rise steel structure building according to the present invention,
figure 2 is a schematic view of an edge-sealed floor slab and edge-sealed steel beam arrangement,
figure 3 is a schematic structural view of the edge banding floor flanging and temporary bracing scheme,
figure 4 is a schematic view showing the construction of an edge-sealed floor slab and a precast concrete beam according to the present invention,
figure 5 is a schematic structural view of a prefabricated edge-sealing beam according to the present invention,
FIG. 6 is a top view of a local connection structure of a prefabricated edge-sealing beam and an overhanging steel beam according to the present invention,
FIG. 7 is a side view of a partial connection structure of a precast edgeband beam and an overhanging steel beam according to the present invention,
FIG. 8 is a schematic view of the cantilevered beam baffle of the present invention.
In the figure: 1. the outer frame post, 2, outer frame roof beam, 3, banding structure, 3A, banding girder steel, 3B, floor turn-ups, 3C, prefabricated banding roof beam, 4, the girder steel of encorbelmenting, 5, banding floor, 6, reserved steel bar, 7, prefabricated template, 8, precast concrete beam, 21, interim support, 41, baffle.
Detailed Description
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 only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to FIGS. 1-8 of the drawings,
the embodiment provided by the invention comprises the following steps: the invention relates to a banding beam structure of a super high-rise steel structure building, wherein an outer frame beam column comprises outer frame columns 1 and outer frame beams 2, the outer frame columns 1 surround the base surface of the building, the outer frame columns 1 are connected through the outer frame beams 2, the outer frame beams 2 are connected with the outer frame columns 1 through welding, overhanging steel beams 4 are arranged in the outer directions of the outer frame columns 1, the overhanging steel beams 4 are welded on the outer frame columns 1, banding floor slabs 5 are arranged on the outer sides of the outer frame columns 1, between the overhanging steel beams 4 and above the outer frame beams 2, the outer frame beam column formed by the outer frame columns 1 and the outer frame beams 2 adjusts the structure according to the requirements of the building, the banding floor slabs 5 surround the outer frame beam columns, the outer ends of the banding floor slabs 5 are provided with banding structures, the banding structures generally adopt the banding steel beams or flanging of the floor slabs, and the banding structure 3C comprises precast banding concrete beams 8, Prefabricated template 7 and reserved reinforcing bar 6, the ligature of reserved reinforcing bar 6 on banding floor 5, prefabricated template 7 sets up at the side of banding floor 5, and reserved reinforcing bar 6 is the right angle type, precast concrete roof beam 8 set up on the reinforcing bar of direction down, banding floor 5 in the outside of frame post 1, frame roof beam 2, precast concrete roof beam 8 and reserved reinforcing bar 6 are for pouring in advance, preferentially, and reserved reinforcing bar 6 is the right angle type, and wherein one end is poured in precast concrete roof beam 8 the inside, on the banding floor 5 is colligated to the other end, but the prefabricated banding roof beam 3C that adopts this kind of mode large-scale production, the cost is low, simple to operate, to in the super high-rise building of taking banding girder steel form, save material.
Further, to local prefabricated banding roof beam 3C structure, prefabricated banding roof beam 3C overlap joint on 1 girder steel 4 that encorbelments of frame post, 4 one ends of girder steel and 1 rigid coupling of frame post encorbelment, one end is connected with prefabricated banding roof beam 3C, the both ends of precast concrete roof beam 8 span on girder steel 4 encorbelments, its one end direction that has exposed reserved reinforcing bar 6 is up, the exposed one end of reserved reinforcing bar 6 is towards the building inboard, super high-rise steel structure building size standard, banding roof beam size few types, be fit for adopting the building type of the adaptable multiple span of precast concrete roof beam 8 structure, prefabricated banding roof beam 3C rigidity is big, can avoid 4 concrete cracks of banding board cantilever girder steel root, safety and reliability.
Further, the precast concrete beam 8 is a common precast concrete beam or a prestressed concrete beam, the prestressed concrete is to compensate for the phenomenon that the concrete cracks too early, a pre-pressure is given to the concrete in advance before the member is used (loaded), that is, a reinforcing steel bar is tensioned in a tension area of the concrete by a manual force method, and the tension area of the concrete is stressed in advance by using the retraction force of the reinforcing steel bar. The stored prestressing force firstly counteracts the prestressing force in the concrete in the tension area when the member is subjected to a tensile force generated by an external load, and then the concrete is tensioned as the load increases, so that the elongation of the concrete is limited, and cracks are delayed or not caused to appear.
Further, the edge banding floor slab 5 comprises a common steel bar truss floor slab or a closed slab, the interior of the slab comprises a profiled steel sheet at the bottom of the floor slab and a reinforced concrete layer on the upper part of the profiled steel sheet, and the profiled steel sheet is connected with the outer frame beam 2 through bolts.
Further, 5 bottom profiled steel sheet thickness of banding floor about 1mm, upper portion is reinforced concrete layer, thickness about 120 mm.
Further, 4 outer ends welding baffle of girder steel of encorbelmenting prevent that prefabricated banding roof beam 3C from toppling, the baffle be the rectangular plate that the one side has the strengthening rib, the width of this rectangular plate is unanimous with the width of girder steel 4 of encorbelmenting.
The precast concrete beam 8 has no influence on the indoor space, and the building effect is good; in addition, a large amount of temporary supports and concrete formworks can be saved, the field workload is reduced, the construction is simplified, and the construction speed is accelerated.
A construction method of a sealing edge beam structure of a super high-rise steel structure building comprises the following steps:
firstly, designing precast concrete beams 8 and precast formworks 7 with different sizes according to the span between each section of overhanging steel beam 4, integrally casting the precast concrete beams 8, the reserved steel bars 6 and the precast formworks 7 on the ground in a factory or a construction site in advance, and casting one end of a right-angle reserved steel bar 6 into the precast concrete beams 8 and exposing the other end outside;
welding a baffle plate on the cantilever steel beam 4, wherein the baffle plate is a rectangular plate with a reinforcing rib on one surface, the width of the rectangular plate is consistent with that of the cantilever steel beam 4, and the surface with the reinforcing rib is ensured to be flush with the end surface of the cantilever steel beam 4 during welding;
lifting the edge-sealed beam concrete beam to a super high-rise building floor after the strength of the edge-sealed beam concrete beam meets the normal use requirement, laying the edge-sealed beam concrete beam on the cantilever steel beam 4, enabling two ends of the precast concrete beam 8 to span the cantilever steel beam 4, enabling one end of the precast concrete beam with the exposed reserved steel bars 6 to face upwards, and enabling the exposed end of the reserved steel bars 6 to face towards the inner side of the building;
fourthly, laying profiled steel sheets of the edge-sealed floor slabs 5 on the precast concrete beams 8 and the outer frame steel beam, laying reinforcing steel bars of the edge-sealed floor slabs 5 after the profiled steel sheets are connected with the top surfaces of the outer frame beams 2 through bolts, and binding the precast concrete reserved reinforcing steel bars 6 to the edge-sealed floor slabs 5;
and fifthly, concrete is poured in situ, the edge-sealed floor slab 5 and the prefabricated edge-sealed beam 3C are connected into a whole, the edge-sealed floor slab 5 and the prefabricated concrete beam 8 form a vertical state, and concrete is poured at the corner end of the edge-sealed floor slab through the prefabricated formwork 7 to fill the gap.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (7)
1. A banding beam structure of a super high-rise steel structure building and a construction method are characterized in that: the outer frame beam column comprises outer frame columns (1) and outer frame beams (2), wherein the outer frame columns (1) surround the base surface of a building, the outer frame columns (1) are connected through the outer frame beams (2), the outer direction of each outer frame column (1) is provided with cantilever steel beams (4), edge sealing floor slabs (5) are arranged between the cantilever steel beams (4) and above the outer frame beams (2), the outer ends of the edge sealing floor slabs (5) are provided with edge sealing structures (3), the outer ends of the edge sealing structures (3) are provided with curtain wall structures, the edge sealing floor slabs (5) are arranged on the outer sides of the outer frame columns (1) and the outer frame beams (2), the edge sealing structures (3) comprise prefabricated concrete beams (8), prefabricated steel bar templates (7) and reserved steel bars (6) for prefabricating the edge sealing beams (3C), the reserved steel bars (6) are bound on the edge sealing floor slabs (5), and the reserved steel bars (6) are right-angle type, precast concrete roof beam (8) set up on direction reserve reinforcing bar (6) down, precast formwork (7) set up the side of banding floor (5) and set up the top at precast concrete roof beam (8).
2. The edge banding beam structure of super high-rise steel structure building of claim 1, wherein: prefabricated banding roof beam (3C) overlap joint on girder steel (4) of encorbelmenting on outer frame post (1), girder steel (4) one end of encorbelmenting just connects with outer frame post (1), one end is connected with prefabricated banding roof beam (3C).
3. The edge banding beam structure and construction method for super high-rise steel structure building according to claim 2, characterized in that: the precast concrete beam (8) is a common precast concrete beam or a prestressed concrete beam.
4. The edge banding beam structure and construction method for super high-rise steel structure building according to claim 3, characterized in that: the edge banding floor slab (5) is a common steel bar truss floor slab or a closed plate and comprises a profiled steel sheet at the bottom of the edge banding floor slab (5) and a reinforced concrete layer on the upper part of the profiled steel sheet.
5. The edge banding beam structure and construction method for super high-rise steel structure building according to claim 4, characterized in that: the bottom profiled steel sheet of banding floor (5) thickness about 1mm, upper portion is reinforced concrete layer, thickness about 120 mm.
6. The edge banding beam structure and construction method for super high-rise steel structure building according to any one of claims 1-5, characterized in that: the outer end of the cantilever steel beam (4) is welded with a baffle plate (41).
7. The construction method of the edge banding beam structure of the super high-rise steel structure building as claimed in any one of claims 1 to 6, comprising the steps of:
firstly, integrally pouring a precast concrete beam (8), a reserved steel bar (6) and a precast formwork (7) on the ground in a factory or a construction site in advance;
secondly, welding a baffle (41) on the cantilever steel beam (4);
thirdly, after the strength of the edge sealing beam concrete beam (8) meets the normal use requirement, lifting the edge sealing beam concrete beam to the floor of the super high-rise building, and paving the edge sealing beam concrete beam on the cantilever steel beam (4);
fourthly, laying the edge-sealed floor profiled steel plates of the edge-sealed floor (5) on the precast concrete beam (8) and the outer frame beam (2), laying the steel bars of the edge-sealed floor (5), and binding the reserved steel bars (6) of the precast concrete beam (8) to the edge-sealed floor (5);
and fifthly, concrete is poured in situ, the edge sealing floor slab (5) and the prefabricated edge sealing beam (3C) are connected into a whole, the edge sealing floor slab (5) and the prefabricated concrete beam (8) form a vertical state, and the corner end of the edge sealing floor slab is filled in the gap by pouring concrete through the prefabricated template (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010013528.8A CN111188457A (en) | 2020-01-07 | 2020-01-07 | Edge sealing beam structure of super high-rise steel structure building and construction method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010013528.8A CN111188457A (en) | 2020-01-07 | 2020-01-07 | Edge sealing beam structure of super high-rise steel structure building and construction method |
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| CN111188457A true CN111188457A (en) | 2020-05-22 |
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| CN202010013528.8A Pending CN111188457A (en) | 2020-01-07 | 2020-01-07 | Edge sealing beam structure of super high-rise steel structure building and construction method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111794501A (en) * | 2020-08-04 | 2020-10-20 | 舜元建设(集团)有限公司 | Pouring method of cast-in-situ cantilever structure formwork system |
| CN113136997A (en) * | 2021-03-11 | 2021-07-20 | 中建一局集团建设发展有限公司 | Supporting device and supporting method for zigzag floor structure |
| CN114704014A (en) * | 2021-12-15 | 2022-07-05 | 上海结奕建筑咨询事务所 | Construction method of semi-prefabricated assembly type steel-concrete structure |
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| CN107366352A (en) * | 2017-04-10 | 2017-11-21 | 深圳市建筑设计研究总院有限公司 | Strong housing super-high building structure |
| CN208363273U (en) * | 2018-05-23 | 2019-01-11 | 深圳大学建筑设计研究院有限公司 | The Frame-Shear wall that cylinder overhanging girder system is combined with arch without beam |
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| CN202099881U (en) * | 2011-05-05 | 2012-01-04 | 杨东佐 | Connector clip of building frame structure and building frame structure |
| CN102864839A (en) * | 2012-10-13 | 2013-01-09 | 柳忠林 | Virtual beam used in large-span prestressed concrete beam plate frame structure |
| CN107366352A (en) * | 2017-04-10 | 2017-11-21 | 深圳市建筑设计研究总院有限公司 | Strong housing super-high building structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111794501A (en) * | 2020-08-04 | 2020-10-20 | 舜元建设(集团)有限公司 | Pouring method of cast-in-situ cantilever structure formwork system |
| CN113136997A (en) * | 2021-03-11 | 2021-07-20 | 中建一局集团建设发展有限公司 | Supporting device and supporting method for zigzag floor structure |
| CN114704014A (en) * | 2021-12-15 | 2022-07-05 | 上海结奕建筑咨询事务所 | Construction method of semi-prefabricated assembly type steel-concrete structure |
| CN114704014B (en) * | 2021-12-15 | 2023-10-31 | 上海结奕建筑咨询事务所 | Construction method of semi-prefabricated assembled steel-concrete structure |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200522 |