CN104863259B - Upside-down construction method for large-span ultra-high signal-layer cylindrical architectural steel structure - Google Patents
Upside-down construction method for large-span ultra-high signal-layer cylindrical architectural steel structure Download PDFInfo
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- CN104863259B CN104863259B CN201510228177.1A CN201510228177A CN104863259B CN 104863259 B CN104863259 B CN 104863259B CN 201510228177 A CN201510228177 A CN 201510228177A CN 104863259 B CN104863259 B CN 104863259B
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Abstract
The invention discloses an upside-down construction method for a large-span ultra-high signal-layer cylindrical architectural steel structure. The upside-down construction method comprises following steps: firstly, assembling a steel structure with the top having 60 meters and an attached light steel structure enclosure at the elevation height of zero meter in the horizontal position on site, installing lifting tool structures right in place and determining number and positions of arranged tool systems and connected with a main steel structure temporarily, vertically lifting the steel structure with the top having 60 meters and the attached light steel structure enclosure, installing an internal steel structure, successively performing subsequent lifting operation in accordance with the above programs till the pre-determined lifting height is achieved and installation is finished, detaching the lifting tool structures and carrying out rod-supplementing operation at lifting tool positions, and installing a light steel structure enclosure at the elevation height of 60 meters and below. The upside-down construction method for the large-span ultra-high signal-layer cylindrical architectural steel structure has following beneficial effects: wind-resistant control technology for installation of a super-altitude light steel structure enclosure is realized; the problem that the lifting height of a conventional large lifting construction machine cannot satisfy the capability for the lifting requirement is solved; and the light steel structure enclosure at the elevation height of above 60 meters is installed.
Description
Technical field
The present invention relates to steel building engineering field, more particularly to a kind of large span ultrahigh single-layer tubular construction steel structure
Inversion construction method.
Background technology
With the development and the progress of technology of society, large equipment and instrument are occurred in that.These large equipments and instrument
The production and assembling of device is operated in the space Factory Building of large span superelevation with maintenance needs, thus the space of large span superelevation
Factory Building starts to emerge in large numbers successively.
The building technology of the space Factory Building of large span superelevation is subject to many restrictions of large-scale lifting construction machinery at present, than
Such as：1st, large scale hoisting machinery equipment leasing market is few or does not have；Even if the 2, adopting ultra-large type construction equipment, can cause to be built into
This is larger；3rd, for the lightweight steel construction more than more than 80 meters is gone along with sb. to guard him, because by upper atmosphere adverse weather conditions, more than 80 meters
Superaltitude carry out lightweight steel construction and go along with sb. to guard him installation, the duration can be caused to ensure, What is more can cause construction realize.
The content of the invention
Present invention aims to many deficiencies of prior art, there is provided a kind of large span ultrahigh single-layer tubular building
Steel construction inversion construction method, by providing a kind of large span ultrahigh single-layer tubular steel structure novel process for installing, solves superaltitude
Lightweight steel construction goes along with sb. to guard him installation Radix Saposhnikoviae control technology, while the existing large-scale lifting construction machinery hoisting height of effectively solving can not be expired
Foot lifting requirement capability, the superaltitude lightweight steel construction for solving more than 80 meters go along with sb. to guard him installation.
In order to solve above-mentioned technical problem, the present invention is adopted the following technical scheme that：
A kind of large span ultrahigh single-layer tubular construction steel structure inversion construction method, it is characterised in that comprise the steps：
1. first 60 meters of steel construction and its appended lightweight steel construction at the top of 0 meter of grade level assemble in situ are gone along with sb. to guard him, top
60 meters of steel construction and its appended lightweight steel construction are gone along with sb. to guard him as first pass；
2. lift fixture system and install in place, according to each flow process simulative calculation of construction, it is determined that lifting fixture system arrangement
Quantity and position, and it is connected interim fixed with main body steel construction；
3. lifted for the first time, the steel construction and its appended lightweight steel construction that 60 meters of top is gone along with sb. to guard him and carry out vertical lifting, lifted
It is highly predetermined hoisting depth H1, the lightweight steel construction that more than 60 meters of absolute altitude is gone along with sb. to guard him before lifting with the installation synchronization of steel construction
And together lifted；
4. lifted for the first time and terminated, carry out the installation of steel construction in hoisting depth H1；
5. lifted for second and prepared；
6. lifted for second, hoisting depth is predetermined hoisting depth H2；
7. lifted for second and terminated, carry out the installation of steel construction in hoisting depth H2；
8. gradually subsequently lifted according to said procedure, until hoisting depth is that (Hn represents n-th to predetermined hoisting depth Hn
Hoisting depth), installation terminates；
9. remove and lift fixture system, carry out lifting the benefit bar at frock；
10. 60 meters of absolute altitude and following lightweight steel construction are gone along with sb. to guard him.
Further, lifting fixture system includes hoisting frame, lifting beam, guider and hydraulic lifting apparatus, hoisting frame bag
Hoisting frame king-post, lifting device fixed beam and hoisting frame basis is included, lifting device fixed beam is fixedly connected on hoisting frame king-post
On top surface, hoisting frame basis is fixedly connected on the bottom of hoisting frame king-post, and lifting beam includes lifting longeron and lifts crossbeam, lifted
Longeron and lifting crossbeam head and the tail connect the structure for forming a closing, and hydraulic lifting apparatus pass through lifting device fixed beam and fix company
The top of hoisting frame king-post is connected on, hydraulic lifting apparatus include hydraulic hoisting machine, steel strand wires and hydraulic pressure lift numerical control device, is oriented to
Device is located at hoisting frame and lifts longeron, lifted in crossbeam mutually perpendicular direction, and guider is just connect in succession with lifting beam；Carry
Frame, one entirety of lifting beam and elevated structure composition are risen, outside all load of the shared comprising wind load is improved
The stability of inverted construction and safety, while the external loads born in work progress by large-span steel body are led to
Lifting tool equipment transmission is crossed to basis, the reliability of construction safety control is substantially increased, and is moved can large-span steel
Dynamic position is more accurate, and guider can play a part of Horizontal limiting.
Further, the rectangular shape of lifting beam, rectangular-shaped design effectively increases the stability of lifting beam, while increased carrying
The strength and stiffness of beam are risen, the unsafe factors such as torsional deformation of the large-span steel in lifting process are prevented.
Further, the upper end connection hydraulic hoisting machine of steel strand wires, the lower end of steel strand wires are hinged fixation with longeron is lifted, can be with
The unified lifting of entirety of large-span steel is effectively realized, steel strand wires improve safety of the large-span steel when being lifted
Property.
Further, it is slidably connected using gapless between guider and hoisting frame king-post, it is ensured that lifting beam can only be along
Hoisting frame vertical movement.
The present invention is had the advantages that as a result of above-mentioned technical proposal：
1st, solve the not enough construction machinery of large-scale lifting construction machinery crane capacity at present difficult；
2nd, superaltitude security control risk is solved, except the steel construction and its appended lightweight steel construction at 60 meters of top go along with sb. to guard him peace
It is mounted in conventional controllable higher altitude range outside being constructed, remaining boundary of works area is all controlled in predetermined hoisting depth Hn (8
～12 meters) in, reduce work high above the ground risk；
3rd, solve 60 meters of absolute altitude above building enclosures installations to be restricted by high altitude wind adverse weather conditions；
4th, be conducive to the duration to ensure, be that structure plays construction function early and proposes controllable measure；
5th, construction quality, construction safety guarantee and the control of construction period are conducive to.
The inventive method process is simple, efficiently solves superaltitude lightweight steel construction and goes along with sb. to guard him installation Radix Saposhnikoviae control technology, together
When meet the lifting requirement capability of large-scale lifting construction machinery hoisting height, ensured the safety of construction quality and construction, contracting
The short construction period.
Description of the drawings
Fig. 1 is a kind of work total figure of large span ultrahigh single-layer tubular construction steel structure inversion construction method of the invention；
Fig. 2 is large span ultrahigh single-layer tubular steel structure schematic cross-sectional view in the present invention；
Fig. 3 is the structural representation of lifting fixture system in the present invention；
Fig. 4 is the structural representation of hoisting frame in the present invention；
Fig. 5 is the structural representation of lifting beam in the present invention；
Fig. 6 is the structural representation of hydraulic lifting apparatus in the present invention；
Fig. 7 is the structural representation of guider in the present invention.
In figure：1- lifts fixture system；2- hoisting frames；3- lifting beams；4- guiders；5- hydraulic lifting apparatus；6- is carried
Rise frame king-post；7- lifting device fixed beams；8- hoisting frames basis；9- lifts longeron；10- lifts crossbeam；11- hydraulic hoisting machines；
12- steel strand wires；13- large span ultrahigh single-layer tubular steel structures.
Specific embodiment
A kind of large span ultrahigh single-layer tubular construction steel structure inversion construction method of the invention, wraps as shown in Figure 1 to Figure 7 shows the
Include following steps：
1. basic plane is first cleared up, measurement is released axis and checked, axis is ejected with the line of ink marker, and in base surface axle
Labelling is set at line, and then 60 meters of steel construction and its appended lightweight steel construction are gone along with sb. to guard him at the top of 0 meter of grade level assemble in situ,
Gone along with sb. to guard him as first pass using the steel construction and its appended lightweight steel construction at 60 meters of top, carrying out assembling steel construction and lightweight steel
During structural envelope, the overall center of structure is positioned, at adjustment difference of height, and butt welding seam welding, carried out lossless inspection
Survey；
2. lift fixture system 1 and install in place, according to each flow process simulative calculation of construction, it is determined that lift fixture system 1 arranging
Quantity and position, and be connected interim fixed with main body steel construction, lifting fixture system 1 includes hoisting frame 2, lifting beam 3, is oriented to
Device 4 and hydraulic lifting apparatus 5, hoisting frame 2 include hoisting frame king-post 6, lifting device fixed beam 7 and hoisting frame basis 8, are lifted
Device fixed beam 7 is fixedly connected on the top surface of hoisting frame king-post 6, and hoisting frame basis 8 is fixedly connected on the bottom of hoisting frame king-post 6
Portion, lifting beam 3 includes lifting longeron 9 and lifts crossbeam 10, and lifting longeron 9 is closed with 10 head and the tail connection formation of crossbeam one is lifted
Structure, lifted longeron 9 form a whole with elevated steel construction, and by lifted crossbeam 10 make carrying for same hoisting frame 2
Rise longeron 9 and form an entirety, 3 rectangular shape of lifting beam, rectangular-shaped design effectively increase the stability of lifting beam 3, while
The strength and stiffness of lifting beam 3 are increased, the unsafe factors such as torsional deformation of the large-span steel in lifting process are prevented,
Hydraulic lifting apparatus 5 are fixedly connected on the top of hoisting frame king-post 6 by lifting device fixed beam 7, and hydraulic lifting apparatus 5 include
Hydraulic hoisting machine 11, steel strand wires 12 and hydraulic pressure lift numerical control device, guider 4 are located at hoisting frame 2 and lift longeron 9, lifted
In 10 mutually perpendicular direction of crossbeam, guider 4 is just connect in succession with lifting beam 3, the upper end connection hydraulic pressure lift of steel strand wires 12
Machine 11, the lower end of steel strand wires 12 are hinged fixation with longeron 9 is lifted, and the entirety unification that can be effectively realized large-span steel is carried
Rise, steel strand wires 12 improve safety of the large-span steel when being lifted, and adopt between guider 4 and hoisting frame king-post 6
Gapless is slidably connected, it is ensured that lifting beam 3 can only be along 2 vertical movement of hoisting frame；Hoisting frame 2, lifting beam 3 and elevated structure
Form a whole, outside all load of the shared comprising wind load improves the stability and peace of inverted construction
Quan Xing, while the external loads born in work progress by large-span steel body are by lifting tool equipment transmission to basis,
The reliability of construction safety control is substantially increased, and the position of large-span steel movement can be made more accurate, be oriented to dress
Put 4 and can play a part of Horizontal limiting, important connecting portion is examined before being lifted, and produced problem is carried out and
When process, reduce work high above the ground, improve construction safety；
3. lifted for the first time, the steel construction and its appended lightweight steel construction that 60 meters of top is gone along with sb. to guard him by lifting fixture system 1
Vertical lifting is carried out, it is slow to start hydraulic hoisting machine 11, large span ultrahigh single-layer tubular steel structure 13 is made in the effect of lifting beam 3
Lower Synchronous lifting, hoisting depth is predetermined hoisting depth H1, the lightweight steel construction that more than 60 meters of absolute altitude go along with sb. to guard him before lifting with
The installation of steel construction is synchronous and is together lifted, until large span ultrahigh single-layer tubular steel structure 13 reaches predetermined hoisting depth H1,
Hydraulic hoisting machine 11 is closed, the height for being lifted is detected successively with survey tools such as level indicator, diastimeters, when therein big
The hoisting depth of span ultrahigh single-layer tubular steel structure not in set point when, adjust local lifting fixture system in lifting
Beam, is consistent the hoisting depth at each position；
4. lifted for the first time and terminated, carry out the installation of steel construction in hoisting depth H1, by the top of hoisting depth H1 and top
The bottom of the steel construction that 60 meters of portion is fixedly connected, and the lower end of hoisting depth H1 and infrastructure are connected temporarily, it is ensured that big
The stability of the unit that span ultrahigh single-layer tubular steel structure 13 has been assembled.Open hydraulic hoisting machine to be inverted, pass through
Lifting beam on hoisting frame is put back into home position by steel strand wires；If H1 lower ends designed elevation is more than 60 meters, in hoisting depth H1
Lower end fix temporarily, carry out H1 positions lightweight steel construction and go along with sb. to guard him installation；
5. lifted for second and prepared, check guider and the hydraulic hoisting machine in hydraulic lifting apparatus, steel strand wires, it is ensured that
It is accessible between guider and hoisting frame king-post, while making steel strand wires keep vertical, it is that the even running of lifting beam is prepared；
6. lifted for second, hydraulic hoisting machine is opened on the basis of first time hoisting depth, driven by steel strand wires and carried
Rise beam to continue to lift up, hoisting depth is predetermined hoisting depth H2, after predetermined hoisting depth H2 is reached, with level indicator, diastimeter
The height for being lifted is detected successively Deng survey tool, when the hoisting depth of part steel construction therein is not in set point
When, the corresponding lifting beam lifted in fixture system of adjustment is consistent the hoisting depth at each position；
7. lifted for second and terminated, carry out the installation of steel construction in hoisting depth H2, after installation, carry out inspection fixation, and will
Hydraulic hoisting machine is opened and is inverted, and the lifting beam on hoisting frame is put back into home position by steel strand wires, is next lifting
Prepare, such as H2 lower ends designed elevation is fixed in the lower end of hoisting depth H2 temporarily, carries out H2 positions lightweight steel more than 60 meters
Structural envelope is installed；
8. gradually subsequently lifted according to said procedure, each lifts fixture system and works asynchronously, the height for being lifted every time
Degree is all identical, until hoisting depth is predetermined hoisting depth Hn (Hn represents n-th hoisting depth, typically chooses 8～12 meters), peace
Dress terminates；
9. lifting fixture system 1 is removed one by one according to the erection sequence before construction, and by the hoisting frame after dismounting, lifting beam
Checked with hoisting frame king-post, it would be desirable to which the parts of replacing are changed, then unification is put in recovery storehouse, is directed to dress
Put and cleared up with hydraulic lifting apparatus, while the debris on steel strand wires are cleared up, finally to large span ultrahigh single-layer cylinder
Shape steel construction carries out lifting the benefit bar at frock, improves its stability；
10. 60 meters of absolute altitude and following lightweight steel construction go along with sb. to guard him installation.
The specific embodiment of the present invention is these are only, but the technical characteristic of the present invention is not limited thereto.It is any with this
Based on bright, it is to realize essentially identical technique effect, done ground simple change, equivalent or modification etc. are all covered
Among protection scope of the present invention.
Claims (4)
1. a kind of large span ultrahigh single-layer tubular construction steel structure inversion construction method, it is characterised in that comprise the steps：
1. first 60 meters of steel construction and its appended lightweight steel construction at the top of 0 meter of grade level assemble in situ are gone along with sb. to guard him, 60 meters of top
Steel construction and its appended lightweight steel construction go along with sb. to guard him as first pass；
2. lift fixture system and install in place, according to each flow process simulative calculation of construction, determine the lifting fixture system arrangement
Quantity and position, and it is connected interim fixed with main body steel construction, the lifting fixture system includes hoisting frame, lifting beam, guiding
Device and hydraulic lifting apparatus, the hoisting frame include hoisting frame king-post, lifting device fixed beam and hoisting frame basis, described to carry
Rise device fixed beam to be fixedly connected on the top surface of the hoisting frame king-post, the hoisting frame basis is fixedly connected on the lifting
The bottom of frame king-post, the lifting beam include lifting longeron and lift crossbeam, the lifting longeron and lifting crossbeam head and the tail
Connection forms the structure of a closing, and the hydraulic lifting apparatus are fixedly connected on described carrying by the lifting device fixed beam
The top of frame king-post is risen, the hydraulic lifting apparatus include hydraulic hoisting machine, steel strand wires and hydraulic pressure lift numerical control device, described to lead
It is located on the hoisting frame and the lifting longeron, the lifting crossbeam mutually perpendicular direction to device, the guider
Just connect in succession with the lifting beam；
3. lifted for the first time, the steel construction and its appended lightweight steel construction that 60 meters of top is gone along with sb. to guard him and carry out vertical lifting, hoisting depth
For predetermined hoisting depth H1, the lightweight steel construction that more than 60 meters of absolute altitude is gone along with sb. to guard him before lifting synchronous and one with the installation of steel construction
With lifting；
4. lifted for the first time and terminated, carry out the installation of steel construction in hoisting depth H1；
5. lifted for second and prepared；
6. lifted for second, hoisting depth is predetermined hoisting depth H2；
7. lifted for second and terminated, carry out the installation of steel construction in hoisting depth H2；
8. gradually subsequently lifted according to said procedure, until hoisting depth is that (Hn represents n-th lifting to predetermined hoisting depth Hn
Highly), installation terminates；
9. the lifting fixture system is removed, carries out lifting the benefit bar at frock；
10. 60 meters of absolute altitude and following lightweight steel construction are gone along with sb. to guard him.
2. a kind of large span ultrahigh single-layer tubular construction steel structure inversion construction method according to claim 1, its feature
It is：The rectangular shape of the lifting beam.
3. a kind of large span ultrahigh single-layer tubular construction steel structure inversion construction method according to claim 1, its feature
It is：The upper end of the steel strand wires connects the hydraulic hoisting machine, and the lower end of the steel strand wires is hinged solid with the lifting longeron
It is fixed.
4. a kind of large span ultrahigh single-layer tubular construction steel structure inversion construction method according to claim 1, its feature
It is：It is slidably connected using gapless between the guider and the hoisting frame king-post.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510228177.1A CN104863259B (en) | 2015-05-06 | 2015-05-06 | Upside-down construction method for large-span ultra-high signal-layer cylindrical architectural steel structure |
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| CN201510228177.1A CN104863259B (en) | 2015-05-06 | 2015-05-06 | Upside-down construction method for large-span ultra-high signal-layer cylindrical architectural steel structure |
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| CN104863259B true CN104863259B (en) | 2017-04-19 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106115474B (en) * | 2016-08-29 | 2018-03-23 | 共享钢构有限责任公司 | The method for improving of super high steel structure pylon |
| CN112209221B (en) * | 2020-09-11 | 2022-09-20 | 山西建筑工程集团有限公司 | Hoisting device and hoisting method for projecting structure of high-rise cylindrical building |
| CN113202192B (en) * | 2021-04-12 | 2024-01-26 | 中交二公局第三工程有限公司 | Inverted construction method for large-span ultrahigh single-layer cylindrical building steel structure |
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Address after: 311400 No.18, Changkou East Street, Changkou Town, Fuyang District, Hangzhou City, Zhejiang Province Patentee after: Zhejiang Zhongnan Lvjian Technology Group Co.,Ltd. Address before: 310052 Zhejiang Zhongnan Construction Group Steel Structure Co., Ltd., Changhe street, Binjiang District, Hangzhou City, Zhejiang Province Patentee before: ZHEJIANG ZHONGNAN CONSTRUCTION GROUP STEEL STRUCTURE Co.,Ltd. |
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