CN109056795A - A kind of skyscraper top-down construction method - Google Patents
A kind of skyscraper top-down construction method Download PDFInfo
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- CN109056795A CN109056795A CN201810933282.9A CN201810933282A CN109056795A CN 109056795 A CN109056795 A CN 109056795A CN 201810933282 A CN201810933282 A CN 201810933282A CN 109056795 A CN109056795 A CN 109056795A
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/045—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them
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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
- E04B1/35—Extraordinary methods of construction, e.g. lift-slab, jack-block
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- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The invention discloses a kind of skyscraper top-down construction methods, comprising the following steps: the construction of underground main structure: preparation of construction and surveying and locating；The production of structure outer；Slot section is excavated and the waterproof construction of the construction of clear slot and skyscraper and underground main structure.The present invention improves existing construction technology, not only simplifies working procedure, improves construction effect, and save construction material, reduces construction cost, while using corresponding waterproof measure to underground structure, it is ensured that obtain preferable waterproof effect.
Description
Technical field
The present invention relates to a kind of high-building construction method, specifically a kind of skyscraper top-down construction method.
Background technique
The general sense of skyscraper refers to the higher-height building of the more number of plies, but specifically reaches which kind of degree
It can be regarded as high level, country variant has different regulations.In the U.S., 24.6m or 7 layer or more is considered as skyscraper；In Japan, 31m or 8
Layer or more be considered as skyscraper；In Britain, it is considered as skyscraper that must build equal to or more than 24.3m.China was from 2005
It plays residential housing of the regulation more than 10 layers and other civil buildings more than 24 meters high is skyscraper.
Reverse construction construction technology is high-rise state-of-the-art construction technical method at present, and principle: first edge is built
Object underground chamber axis or surrounding construction diaphram wall or other supporting construction are built, while interior of building has off position to pour
Or intermediate sup-poning pile and column are laid, the branch of superstructure self weight and construction loads is born before bottom plate back cover as construction period
Support.Then one layer of construction ground of beam slab floor structure, the support very big as diaphram wall rigidity are then successively opened downwards
Earth excavation and each layer underground structure is poured, until bottom plate back cover.Simultaneously as the floor structure on one layer of ground is completed, it is upper
Portion's structure construction creates condition, it is possible to while the construction of superstructure is successively carried out upwards.Such ground is above and below simultaneously
It constructs, until engineering terminates.
Summary of the invention
The purpose of the present invention is to provide a kind of skyscraper top-down construction methods, to solve to mention in above-mentioned background technique
Out the problem of.
To achieve the above object, the invention provides the following technical scheme:
A kind of skyscraper top-down construction method, comprising the following steps:
1), the construction of underground main structure:
1.: preparation of construction and surveying and locating；
2.: the production of structure outer；
3.: slot section is excavated and clear slot: road surface broken first, when construction by the way of layering, excavation section by section, first using excavating
Machine is cut the earth downwards to negative one layer, is then laterally excavated；Complete soon to complete after one section of excavation structure roof, plate in structure,
The concreting of structure base slab and structural support posts works, and is constructed by the way of jumping digging, to structural support posts and column
The concrete of lower strip can excavate the intercolumniation earthwork after reaching design strength；
4.: it on mechanical excavation to structure roof bottom absolute altitude after 10cm, is changed to artificial peaceful, after earth excavation to absolute altitude, sets
Absolute altitude controls timber, and paving 50mm mountain flour is levelling, disposable plank sheathing or waterproof pluwood, plate thickness 18mm, template on mountain flour upper berth
Start roof steel bar installation after laying, pillar reinforcing bar is previously inserted to soil while structure roof reinforcement construction
In, intubating length is 50 times of Reinforcement diameters, is finished to reinforcing bar binding, and concreting work is started；
2), the construction of skyscraper:
1.: a layer concrete bed course is poured at the elevation line of structure roof bottom, sets up several first pillars, the second pillar of constructing,
First pillar is that internal thread cylindrical structure is set inside upper end opening, and the second pillar is that lower end is equipped with and the first pillar phase interworking
The externally threaded cylindrical structure closed, the second pillar are threadedly coupled with the first pillar；
2.: the construction of plate and roof supporting in support baseboard, support: in structure roof Construction Support bottom plate, in support plate and
Roof supporting, support baseboard are fixedly connected with the upper end of the second pillar, and plate passes through several falseworks and support baseboard in support
It is fixedly connected, the upside of plate is uniformly equipped with several lifting supports, the bottom of roof supporting and stretching for lifting support in support
End is fixedly connected.
As a further solution of the present invention: in step 1), excavation width control in 10 meters, length control 15 meters with
It is interior, and according to 1:2.5 slope.
As further scheme of the invention: in step 1), concrete will be using pumping, and the side's of pouring amount exists every time
1000m or more.
As further scheme of the invention: the waterproof measure of underground main structure 2 are as follows: seam cold for bottom plate is being applied
Working hour answers indwelling ribbet or indwelling sealing rod, after construction, increases twice additional waterproof course, two layers of waterproof in structure surface layer
Polyurethane coating waterproof layer and cement-base infiltration crystallization type water-proof layer is respectively adopted in extra play.
As further scheme of the invention: using on top plate can prevent with the polyurethane coating of the closely knit stickup of structure
The width of 30cm on the upward continuous laying to diaphram wall of water layer, and the waterproof layer of one layer of same material is added at turning.
As further scheme of the invention: carrying out dabbing processing in diaphram wall and each veneer structure handover position
And one of cement-base infiltration crystallization type rigid waterproof layer is brushed, the impermeability that water reverse osmosis effect improves concrete is met using it
Energy.
As further scheme of the invention: construction joint position carries out anti-watertight using 250mm steel plate luting waterstop
Envelope processing, cannot use steel plate luting waterstop position, carry out waterproof sealing using 30mm × 20mm hydro-expansive rubber item
Processing；Horizontal construction joint position between middle plate and abutment wall carries out strong water-proofing treatment by the way of pre-buried 30 pipe slip casting of φ；?
Deformation joint position, inside configuration carry out water-proofing treatment using PVC waterstop buried in 300mm wide, and outside uses external labeling type PVC
Waterstop is handled.
Compared with prior art, not only simple the beneficial effects of the present invention are: the present invention improves existing construction technology
Change working procedure, improve construction effect, and save construction material, reduces construction cost, while to underground structure using corresponding
Waterproof measure, it is ensured that obtain preferable waterproof effect.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of skyscraper top-down construction method.
Fig. 2 is the structural schematic diagram of underground main structure in skyscraper top-down construction method.
Fig. 3 is the partial enlargement diagram in Fig. 1 at A.
In figure: 1- structure outer, the underground 2- main structure, the road surface 3-, the first pillar of 4-, the second pillar of 5-, 6- support bottom
Plate, 8- roof supporting, 9- lifting support, 10- falsework, 11- stud, 12- structure roof, 13- knot in plate, 7- support
Plate, 14 structure base slabs, 15- structural support posts in structure.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Please refer to Fig. 1~3, in the embodiment of the present invention, a kind of skyscraper top-down construction method, comprising the following steps:
1, the construction of underground main structure 2:
1.: preparation of construction and surveying and locating；
2.: the production of structure outer 1；
3.: slot section is excavated and clear slot: road surface broken first, when construction by the way of layering, excavation section by section, first using excavating
Machine is cut the earth downwards to negative one layer, is then laterally excavated, and excavation width controls in 10 meters, and length controls within 15 meters, and presses
According to 1:2.5 slope；Complete soon to complete after one section of excavation structure roof 12, plate 13, structure base slab 14 and structure in structure
The concreting of support column 15 works, and is constructed by the way of jumping digging；To under structural support posts 15 and column strip it is mixed
Solidifying soil can excavate the intercolumniation earthwork after reaching design strength；
4.: it on mechanical excavation to 12 bottom absolute altitude of structure roof after 10cm, is changed to artificial peaceful, after earth excavation to absolute altitude, beats
The high control timber of bidding, paving 50mm mountain flour is levelling, disposable plank sheathing or waterproof pluwood, plate thickness 18mm on mountain flour upper berth；Mould
Plate be laid with after i.e. start roof steel bar installation, while 12 reinforcement construction of structure roof by pillar reinforcing bar be previously inserted to
In soil, intubating length is 50 times of Reinforcement diameters；It is finished to reinforcing bar binding, starts concreting work, concrete
Will be using pumping, the side's of pouring amount is in 1000m or more every time；
2, the construction of skyscraper:
1.: a layer concrete bed course is poured at 12 bottom elevation line of structure roof, sets up several first pillars 4, is constructed second
Column 5, the first pillar 4 are that internal thread cylindrical structure is set inside upper end opening, and the second pillar 5 is that lower end is equipped with and the first pillar
4 mutually matched externally threaded cylindrical structures, the second pillar 5 are threadedly coupled with the first pillar 4；
2.: the construction of plate 7 and roof supporting 8 in support baseboard 6, support: Construction Support bottom plate 6, support in structure roof 12
Middle plate 7 and roof supporting 8, support baseboard 6 are fixedly connected with the upper end of the second pillar 5, and plate 7 passes through several falseworks in support
10 are fixedly connected with support baseboard 6, and the upside of plate 7 is uniformly equipped with several lifting supports 9, the bottom of roof supporting 8 in support
It is fixedly connected with the telescopic end of lifting support 9；
Preferably, in the present embodiment, the waterproof measure of underground main structure 2 are as follows: seam cold for bottom plate answers indwelling to look forward in construction
Mouth seam or indwelling sealing rod after construction, increase twice additional waterproof course in structure surface layer, two layers of additional waterproof course is adopted respectively
With polyurethane coating waterproof layer and cement-base infiltration crystallization type water-proof layer；Using on top plate can be with the poly- ammonia of the closely knit stickup of structure
Ester paint, the width of 30cm on the upward continuous laying to diaphram wall of waterproof layer, and one layer of same material is added at turning
Waterproof layer；Dabbing processing is carried out in diaphram wall and each veneer structure handover position and brushes cement-base infiltration crystallization type together
Rigid waterproof layer meets the anti-permeability performance that water reverse osmosis effect improves concrete using it；Construction joint position, using 250mm steel
Plate luting waterstop carries out waterproof sealing processing, cannot use steel plate luting waterstop position, meets water using 30mm × 20mm
Expanded rubber item carries out waterproof sealing processing；Horizontal construction joint position between middle plate and abutment wall, using pre-buried 30 pipe slip casting of φ
Mode carry out strong water-proofing treatment；At deformation joint position, inside configuration is prevented using buried PVC waterstop in 300mm wide
Water process, outside are handled using external labeling type PVC waterstop.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (7)
1. a kind of skyscraper top-down construction method, which comprises the following steps:
1), the construction of underground main structure (2):
1.: preparation of construction and surveying and locating；
2.: the production of structure outer (1)；
3.: slot section is excavated and clear slot: road surface broken first, when construction by the way of layering, excavation section by section, first using excavating
Machine is cut the earth downwards to negative one layer, is then laterally excavated；Complete soon to complete after one section of excavation structure roof (12), in structure
The concreting of plate (13), structure base slab (14) and structural support posts (15) works, and is constructed by the way of jumping digging, to
The concrete of strip can excavate the intercolumniation earthwork after reaching design strength under structural support posts (15) and column；
4.: on the absolute altitude of mechanical excavation to structure roof (12) bottom after 10cm, be changed to it is artificial peaceful, after earth excavation to absolute altitude,
Absolute altitude control timber is set, paving 50mm mountain flour is levelling, disposable plank sheathing or waterproof pluwood on mountain flour upper berth, plate thickness 18mm,
Template starts roof steel bar installation after being laid with, and inserts pillar reinforcing bar in advance while structure roof (12) reinforcement construction
Enter into soil, intubating length is 50 times of Reinforcement diameters, is finished to reinforcing bar binding, and concreting work is started；
2), the construction of skyscraper
1.: a layer concrete bed course is poured at the elevation line of structure roof (12) bottom, sets up several first pillars (4), construction the
Two pillars (5), the first pillar (4) are to set internal thread cylindrical structure inside upper end opening, and the second pillar (5) is equipped with for lower end
With the mutually matched externally threaded cylindrical structure of the first pillar (4), the second pillar (5) is threadedly coupled with the first pillar (4)；
2.: the construction of plate (7) and roof supporting (8) in support baseboard (6), support: the Construction Support bottom on structure roof (12)
Plate (7) and roof supporting (8) in plate (6), support, support baseboard (6) is fixedly connected with the upper end of the second pillar (5), in support
Plate (7) is fixedly connected by several falseworks (10) with support baseboard (6), plate (7) in support if upside be uniformly equipped with
The bottom of dry lifting support (9), roof supporting (8) is fixedly connected with the telescopic end of lifting support (9).
2. skyscraper top-down construction method according to claim 1, which is characterized in that in step 1), excavation width
Control is in 10 meters, and length controls within 15 meters, and according to 1:2.5 slope.
3. skyscraper top-down construction method according to claim 1, which is characterized in that in step 1), concrete will
Using pumping, the side's of pouring amount is in 1000m or more every time.
4. skyscraper top-down construction method according to claim 1, which is characterized in that underground main structure (2)
Waterproof measure are as follows: seam cold for bottom plate answers indwelling ribbet or indwelling sealing rod in construction, after construction, in structural plane
Layer increases twice additional waterproof course, and polyurethane coating waterproof layer and cement-base infiltration crystallization type is respectively adopted in two layers of additional waterproof course
Waterproof layer.
5. skyscraper top-down construction method according to claim 4, which is characterized in that using on top plate can be with knot
The polyurethane coating of the closely knit stickup of structure, the width of 30cm on the upward continuous laying to diaphram wall of waterproof layer, and at turning
Add the waterproof layer of one layer of same material.
6. skyscraper top-down construction method according to claim 5, which is characterized in that in diaphram wall and each layer
Hardened structure handover position carries out dabbing processing and brushes one of cement-base infiltration crystallization type rigid waterproof layer, and it is reverse to meet water using it
The anti-permeability performance of osmosis raising concrete.
7. skyscraper top-down construction method according to claim 6, which is characterized in that construction joint position uses
250mm steel plate luting waterstop carry out waterproof sealing processing, steel plate luting waterstop position cannot used, using 30mm ×
20mm hydro-expansive rubber item carries out waterproof sealing processing；Horizontal construction joint position between middle plate and abutment wall, using pre-buried φ
The mode of 30 pipe slip castings carries out strong water-proofing treatment；At deformation joint position, inside configuration is using buried PVC sealing in 300mm wide
Band carries out water-proofing treatment, and outside is handled using external labeling type PVC waterstop.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810933282.9A CN109056795A (en) | 2018-08-16 | 2018-08-16 | A kind of skyscraper top-down construction method |
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| CN201810933282.9A CN109056795A (en) | 2018-08-16 | 2018-08-16 | A kind of skyscraper top-down construction method |
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| CN109056795A true CN109056795A (en) | 2018-12-21 |
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|---|---|---|---|---|
| CN101736757A (en) * | 2009-12-04 | 2010-06-16 | 上海市第二建筑有限公司 | Two-way synchronous construction method of tube structure of high-rise building |
| CN103741714A (en) * | 2013-12-09 | 2014-04-23 | 中国建筑第二工程局有限公司 | Construction method for full cover-excavation reverse method of underground engineering |
| CN104652444A (en) * | 2013-11-21 | 2015-05-27 | 中冶天工上海十三冶建设有限公司 | Construction method for overall reverse operation of ultra-large type deep foundation pit center island type alternative earth excavation |
| CN205776347U (en) * | 2016-06-22 | 2016-12-07 | 中铁第四勘察设计院集团有限公司 | Novel cover for subway station digs against making structural system |
| CN106320377A (en) * | 2016-08-31 | 2017-01-11 | 中铁二局工程有限公司 | Water-rich soft soil area deep foundation pit cover and excavation top-down construction method |
| CN206070562U (en) * | 2016-08-17 | 2017-04-05 | 广州地铁设计研究院有限公司 | Subassembly formula underground structure |
-
2018
- 2018-08-16 CN CN201810933282.9A patent/CN109056795A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101736757A (en) * | 2009-12-04 | 2010-06-16 | 上海市第二建筑有限公司 | Two-way synchronous construction method of tube structure of high-rise building |
| CN104652444A (en) * | 2013-11-21 | 2015-05-27 | 中冶天工上海十三冶建设有限公司 | Construction method for overall reverse operation of ultra-large type deep foundation pit center island type alternative earth excavation |
| CN103741714A (en) * | 2013-12-09 | 2014-04-23 | 中国建筑第二工程局有限公司 | Construction method for full cover-excavation reverse method of underground engineering |
| CN205776347U (en) * | 2016-06-22 | 2016-12-07 | 中铁第四勘察设计院集团有限公司 | Novel cover for subway station digs against making structural system |
| CN206070562U (en) * | 2016-08-17 | 2017-04-05 | 广州地铁设计研究院有限公司 | Subassembly formula underground structure |
| CN106320377A (en) * | 2016-08-31 | 2017-01-11 | 中铁二局工程有限公司 | Water-rich soft soil area deep foundation pit cover and excavation top-down construction method |
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Application publication date: 20181221 |