CN104947942B - Hypervelocity arch grid structure architecture computer controls the installation method extending out accumulation lifting - Google Patents
Hypervelocity arch grid structure architecture computer controls the installation method extending out accumulation lifting Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 31
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- 238000009825 accumulation Methods 0.000 title claims abstract description 13
- 238000010276 construction Methods 0.000 claims abstract description 45
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 8
- 238000004458 analytical method Methods 0.000 claims abstract description 8
- 239000010959 steel Substances 0.000 claims abstract description 8
- 230000001360 synchronised effect Effects 0.000 claims description 11
- 238000004364 calculation method Methods 0.000 claims description 7
- 239000000725 suspension Substances 0.000 claims description 7
- 238000013461 design Methods 0.000 claims description 4
- 210000001503 joint Anatomy 0.000 claims description 4
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Abstract
The present invention relates to a kind of installation method, more particularly, to a kind of hypervelocity arch grid structure architecture computer controls to extend out accumulates the installation method being lifted, and belongs to field of steel structure.Carry out according to the following steps：Calculate the preparation → lifting mode → lifting field condition → unit rack interim rod member support → stage lifting → accessory before calculating the lifting of control → unit rack in analysis → construction before lathe turner to install.A kind of hypervelocity arch grid structure architecture computer controls the installation method compact conformation extending out accumulation lifting, industrialization assembly mode, and installation period is short, and flexible operation degree is high.
Description
Technical field
The present invention relates to a kind of installation method, more particularly, to a kind of hypervelocity arch grid structure architecture computer control extends out tired
The installation method of long-pending lifting, belongs to field of steel structure.
Background technology
With large span, the continuing to bring out of large area grid structure, the construction height of large area rack and span are continuous
Increase, traditional construction method not only makes construction cost increase, construction period lengthens, and working security reduces.Therefore, seek
Construction method safe and efficient, with low cost is one of emphasis of current large area large span grid Construction Study.
Hypervelocity arch grid structure structure is a kind of grid structure form based on welded spherical node, and it is suitable for space knot
Structure span is big, light-duty, the column of reasonable stress or arched forms.This class formation is in airship shed, indoor coal storage yard, building building cement material
Apply more in the buildings such as material reactor.
Certain airship shed project structure form domestic is curved surface rack, 140 meters of span, long 266 meters, 116 meters of peak absolute altitude.
More than 64.237 meters of absolute altitudes of structure it is Arch Reticulated Shell, below for flat plate framed structure (flat plate framed structure tilts 8 °), all using square corner
Wimble structure form.More than 24 meters of absolute altitudes of structure it is welded hollow spherical jointses, below for tubular joint.Overall structure is supported on bottom
On concrete isolated footing, support suspension column is plug-in type.
Large span large area grid structure construction common method has at present：(1) balladeur train method, (2) structure accumulative sliding technique,
(3) folding and expanding lift method, (4) encorbelment method.And be directed to roofing be arc reticulated shell, facade be tilt flat plate rack large span,
Hypervelocity grid structure, above several arrangement and method for construction are no matter all have from construction cost, construction quality and construction safety each side
It is short of, not all roses.
At present, hypervelocity arch grid structure structure design and construction are in China or even in the world all also in exploratory development rank
Section, the case of current final acceptance of construction does not also have.Based on this situation, many R＆D institutions, colleges and universities and unit in charge of construction are equal both at home and abroad
Energetically carrying out model investigation, Theoretical Calculation.
Content of the invention
The present invention mainly solves the deficiencies in the prior art, and quick, construction cost is low, construction to provide one kind to install
Quality is high, hypervelocity arch grid structure architecture computer that is lowering construction safety hidden danger controls the installation method extending out accumulation lifting.
The above-mentioned technical problem of the present invention is mainly addressed by following technical proposals：
A kind of hypervelocity arch grid structure architecture computer controls the installation method extending out accumulation lifting, enters according to the following steps
OK：
(1), calculation before construction analysis：
Construction overall process is carried out calculate analysis it is ensured that structure itself and lift system in work progress using software for calculation
Related mechanics and detailing requiments can be met it is ensured that work progress is safely controllable；
(2) calculate in, constructing and control：
Hydraulic pressure lift construction Synchronization Control has high demands, and adopts computer synchronous control system, and strengthen in work progress
Monitoring in lifting process；
(3), the preparation before the lifting of unit rack：
1), project using hoisting frame and lift system complete lifted work, if the quantity of unit rack be n, hoisting frame and
The lifting number of times of lift system is：n-1；
Hoisting frame is designed to resist the lattice column of horizontal thrust, and its bottom and concrete foundation pass through anchor bolts, top
End is linked to be entirety using steel strand wires；
2), grid structure roof is arch, and facade is in 8 ° of heeling conditions, and before the lifting of unit rack, the level that need to arrange in advance should
Power cable control structure level thrust；
For this before the 1st unit rack is lifted, in unit rack bottom is corresponding, between string ball node, horizontal prestressing force is set
Drag-line；Before 2nd unit rack lifting, jump stay is also set, removes the drag-line of the 1st unit rack afterwards；3rd unit rack carries
Before rising, jump stay is also set, removes the drag-line of the 2nd unit rack afterwards；Before 4th unit rack, the 5th unit rack lifting not
Setting jump stay；Setting jump stay before 6th unit rack lifting, removes the drag-line of the 3rd unit rack afterwards；
Ultimately form at two two-layer totally 46 horizontal prestressed cables controlling grid structure horizontal thrust；
3), range site rack itself welded hollow spherical jointses setting lifting suspension centre, makes being subject to of lifting process unit rack
Power state is as close with unit Space Truss Design stress as possible；
(4), lifting mode：
After the interim lifting of n unit rack puts in place, using piecemeal hanging method, assemble n+1 unit rack；
N+1 each solder sphere temporary support of unit rack orlop is supported, after hoisting frame unloading, suspension column spiral shell of back-outing
Mother, at large caterpillar integral hoisting to next unit hoist point；
(5), lift field condition：
The period that live wind speed is less than or equal to 3 grades is selected to carry out the lifting of unit rack；
(6), the interim rod member of unit rack supports：
After every graduated increasing puts in place, unit rack is welded to connect by interim rod member with hoisting frame, the water that wind load produces
Flat power is undertaken by hoisting frame and basis, and forms two road security perimeters in unit rack every side setting 6-8 road drag-line；
Between 45 ° -60 °, below ground pours the concrete block of 1m × 1m × 1m, coagulation to the pitch angle control on drag-line and ground
Pre-buried frock in soil, forms earth anchor；According to pulling force size, calculate earth anchor resistance to plucking and whether horizontal force resistant meets requirement, otherwise exist
Concrete block top surface places moveable counter weight；
(7), stage lifting：
1）, grid structure seven unit racks are divided on facade, each unit rack by multigroup lift system with front
The accumulation lifting of unit rack is in place；
2), the 1st unit rack is assembled integral on the landing stage of scaffold, in unit rack both sides setting multigroup lifting system
System, by the 1st unit rack Synchronous lifting certain altitude；
3), adopt large caterpillar to lift blocking unit rack, complete the 2nd unit rack assembling；
4), the 1st, 2 unit rack unloading, and dropping place on temporary support；
5), remove the lift system of the 1st unit rack, and be transferred at the 2nd unit rack；
6), by the 1st, 2 unit racks together Synchronous lifting to certain altitude；
7), the rest may be inferred, completes the installation of follow-up element mesh frame；
(8) accessory is installed：
Will be synchronous in low latitude and unit rack to purlin, skylight Os Draconis, big fitting for door, more than 70.29m arched roof color steel
Install, lifted together.
Effect and advantage
1st, working security is high
Grid structure maximum installation height is down to 20.5m (dividing elements maximum height) from 116m (span centre top), substantially
On low latitude be down in work high above the ground complete, greatly improve working security；
Arched roof panel is installed in low latitude, greatly reduces the installation hidden danger of roofing construction.
Extend out lifting construction process to adopt general structural analyses and optimizing Design Software " MIDAS/GEN " (version number is
2014 editions) each important construction ring such as (wind resistance), lifting bracket reliability is consolidated for Structure Stage lifting, Structure Stage
Section carries out construction simulation checking computations, can guarantee that the safe and reliable of work progress.
2nd, construction quality is guaranteed
Solder sphere grid structure carries out positioning on ground or scaffold operating platform, assembled, welding, rack assembly quality
Construction requirement can be met to greatest extent；
Extend out the lifting of each unit rack piecemeal, docking during accumulation lifting construction, to installing grid structure precision
Stage is checked and can be eliminated the construction error accumulation that continuously assembly causes.
3rd, construction cost is low
Grid structure ground or the landing stage of scaffold are assembled, and feeding machinery used is hung using 20t kart, rack piecemeal list
Unit is lifted using 200t crawler crane, construction cost control is more had in terms of construction machinery with respect to other construction methods
Profit；
Work high above the ground is converted into low latitude construction, in personnel, mechanical auxiliary material (as welding cable), installation process temporary support
Etc. aspect all have different degrees of saving.
4th, construction period controllability is strong
This construction patent of invention operation process except domes top is using setting up scaffold in situ in addition to assembly, remainder
Structure, all using piecemeal installation on ground, for the region that construction site is more plentiful, can carry out Multi-working-surface, connect to rack piecemeal
Continuous assembly, forms cross construction with key links such as structure lifting, piecemeal liftings.Can be according to practice of construction progress situation from piecemeal
This key link assembled is flexibly controlled by the input of personnel, machinery.
The present invention provides hypervelocity arch grid structure architecture computer to control the installation method extending out accumulation lifting, and structure is tight
Gather, industrialization assembly mode, installation period is short, and flexible operation degree is high.
Brief description
Fig. 1 is the dividing elements cross section structure diagram of the present invention；
Fig. 2 is the mounting structure schematic diagram of the 1st unit rack in the present invention；
Fig. 3 is the mounting structure schematic diagram of the 2nd unit rack in the present invention；
Fig. 4 is the mounting structure schematic diagram of the 3rd unit rack in the present invention；
Fig. 5 is the mounting structure schematic diagram of the 4th unit rack in the present invention；
Fig. 6 is the mounting structure schematic diagram of the 5th unit rack in the present invention；
Fig. 7 is the mounting structure schematic diagram of the 6th unit rack in the present invention；
Fig. 8 is the mounting structure schematic diagram of the 7th unit rack in the present invention；
Fig. 9 is that in the present invention, unit rack lifts the cross section structure diagram that post-tensioning sets drag-line；
Figure 10 is the structural representation of interim rod member in the present invention；
Figure 11 is the structural representation of temporary support in the present invention.
Description of reference numerals：1st, the 1st unit rack；2nd, the 2nd unit rack；3rd, the 3rd unit rack；4th, the 4th unit rack；
5th, the 5th unit rack；6th, the 6th unit rack；8th, drag-line；9th, earth anchor；10th, temporary support；11st, interim rod member.
Specific embodiment
Below by embodiment, and combine accompanying drawing, technical scheme is described in further detail.
Embodiment 1：As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9, Figure 10 and Figure 11, hypervelocity
Arch grid structure architecture computer controls the installation method extending out accumulation lifting, carries out according to the following steps：
(1), calculation before construction analysis：
Construction overall process is carried out calculate analysis it is ensured that structure itself and lift system in work progress using software for calculation
Related mechanics and detailing requiments can be met it is ensured that work progress is safely controllable；
(2) calculate in, constructing and control：
Hydraulic pressure lift construction Synchronization Control has high demands, and adopts computer synchronous control system, and strengthen in work progress
Monitoring in lifting process；
(3), the preparation before the lifting of unit rack：
1), project using hoisting frame and lift system complete lifted work, if the quantity of unit rack be n, hoisting frame and
The lifting number of times of lift system is：n-1；
Hoisting frame is designed to resist the lattice column of horizontal thrust, and its bottom and concrete foundation pass through anchor bolts, top
End is linked to be entirety using steel strand wires；
2), grid structure roof is arch, and facade is in 8 ° of heeling conditions, and before the lifting of unit rack, the level that need to arrange in advance should
Power cable control structure level thrust；
For this before the 1st unit rack is lifted, in unit rack bottom is corresponding, between string ball node, horizontal prestressing force is set
Drag-line；Before 2nd unit rack lifting, jump stay is also set, removes the drag-line of the 1st unit rack afterwards；3rd unit rack carries
Before rising, jump stay is also set, removes the drag-line of the 2nd unit rack afterwards；Before 4th unit rack, the 5th unit rack lifting not
Setting jump stay；Setting jump stay before 6th unit rack lifting, removes the drag-line of the 3rd unit rack afterwards；
Ultimately form at two two-layer totally 46 horizontal prestressed cables controlling grid structure horizontal thrust；
3), range site rack itself welded hollow spherical jointses setting lifting suspension centre, makes being subject to of lifting process unit rack
Power state is as close with unit Space Truss Design stress as possible；
(4), lifting mode：
After the interim lifting of n unit rack puts in place, using piecemeal hanging method, assemble n+1 unit rack；
N+1 each solder sphere temporary support of unit rack orlop is supported, after hoisting frame unloading, suspension column spiral shell of back-outing
Mother, at large caterpillar integral hoisting to next unit hoist point；
(5), lift field condition：
The period that live wind speed is less than or equal to 3 grades is selected to carry out the lifting of unit rack；
(6), the interim rod member of unit rack supports：
After every graduated increasing puts in place, unit rack is welded to connect by interim rod member with hoisting frame, the water that wind load produces
Flat power is undertaken by hoisting frame and basis, and forms two road security perimeters in unit rack every side setting 6-8 road drag-line；
Between 45 ° -60 °, below ground pours the concrete block of 1m × 1m × 1m, coagulation to the pitch angle control on drag-line and ground
Pre-buried frock in soil, forms earth anchor；According to pulling force size, calculate earth anchor resistance to plucking and whether horizontal force resistant meets requirement, otherwise exist
Concrete block top surface places moveable counter weight；
(7), stage lifting：
1）, grid structure seven unit racks are divided on facade, each unit rack by multigroup lift system with front
The accumulation lifting of unit rack is in place；
2), the 1st unit rack is assembled integral on the landing stage of scaffold, in unit rack both sides setting multigroup lifting system
System, by the 1st unit rack Synchronous lifting certain altitude；
3), adopt large caterpillar to lift blocking unit rack, complete the 2nd unit rack assembling；
4), the 1st, 2 unit rack unloading, and dropping place on temporary support；
5), remove the lift system of the 1st unit rack, and be transferred at the 2nd unit rack；
6), by the 1st, 2 unit racks together Synchronous lifting to certain altitude；
7), the rest may be inferred, completes the installation of follow-up element mesh frame；
(8) accessory is installed：
Will be synchronous in low latitude and unit rack to purlin, skylight Os Draconis, big fitting for door, more than 70.29m arched roof color steel
Install, lifted together.
Claims (1)
1. a kind of hypervelocity arch grid structure architecture computer control the installation method extending out accumulation lifting it is characterised in that by with
Lower step is carried out：(1), calculation before construction analysis：
Construction overall process is carried out calculate analysis it is ensured that grid structure itself and lift system in work progress using software for calculation
Related mechanics and detailing requiments can be met it is ensured that work progress is safely controllable；
(2) calculate in, constructing and control：
Hydraulic pressure lift construction Synchronization Control has high demands, and adopts computer synchronous control system in work progress, and strengthens being lifted
During monitoring；
(3), the preparation before the lifting of unit rack：
1), project completes to lift work using hoisting frame and lift system, if the quantity of unit rack is n, hoisting frame and lifting
The lifting number of times of system is：n-1；Hoisting frame is designed to resist the lattice column of horizontal thrust, and its bottom is led to concrete foundation
Cross anchor bolts, top is linked to be entirety using steel strand wires；
2), grid structure roof is arch, and facade is in 8 ° of heeling conditions, before the lifting of unit rack, need to arrange horizontal prestressing force and draw
Rope controls grid structure horizontal thrust；For this before the 1st unit rack is lifted, string ball node in unit rack bottom is corresponding
Between horizontal prestressed cable is set；Before 2nd unit rack lifting, horizontal prestressed cable is also set, removes the 1st element mesh afterwards
The horizontal prestressed cable of frame；Before 3rd unit rack lifting, horizontal prestressed cable is also set, removes the 2nd unit rack afterwards
Horizontal prestressed cable；It is not provided with horizontal prestressed cable before 4th unit rack, the 5th unit rack lifting；6th element mesh
Before frame lifting, horizontal prestressed cable is set, removes the horizontal prestressed cable of the 3rd unit rack afterwards；Ultimately form at two
Two-layer totally 46 horizontal prestressed cables controlling grid structure horizontal thrust；
3), range site rack itself welded hollow spherical jointses setting lifting suspension centre, makes the stress shape of lifting process unit rack
State is as close with unit Space Truss Design stress as possible；
(4), lifting mode：After the interim lifting of n unit rack puts in place, using piecemeal hanging method, assemble n+1 element mesh
Frame；N+1 each solder sphere temporary support of unit rack orlop is supported, after hoisting frame unloading, suspension column nut of back-outing,
At large caterpillar integral hoisting to next unit hoist point；
(5), lift field condition：The period that live wind speed is less than or equal to 3 grades is selected to carry out the lifting of unit rack；
(6), the interim rod member of unit rack supports：After every graduated increasing puts in place, unit rack passes through interim rod member with hoisting frame
It is welded to connect, the horizontal force that wind load produces is undertaken by hoisting frame and basis, and in unit rack every side setting 6-8 road drag-line shape
Cheng Erdao security perimeter；Between 45 ° -60 °, below ground pours the coagulation of 1m × 1m × 1m to the pitch angle control on drag-line and ground
Soil block, pre-buried frock in concrete block, form earth anchor；According to pulling force size, calculate earth anchor resistance to plucking and whether horizontal force resistant meets
Require, otherwise place moveable counter weight in concrete block top surface；
(7), stage lifting：
1）, grid structure seven unit racks are divided on facade, each unit rack is by multigroup lift system and front unit
Rack accumulation lifting is in place；
2), the 1st unit rack is assembled integral on the landing stage of scaffold, arranges multigroup lift system in unit rack both sides, will
1st unit rack Synchronous lifting certain altitude；
3), adopt large caterpillar to lift blocking unit rack, complete the 2nd unit rack assembling；
4), the 1st, 2 unit rack unloading, and dropping place on temporary support；
5), remove the lift system of the 1st unit rack, and be transferred at the 2nd unit rack；
6), by the 1st, 2 unit racks together Synchronous lifting to certain altitude；
7), the rest may be inferred, completes the installation of follow-up element mesh frame；
(8) accessory is installed：By purlin, skylight Os Draconis, big fitting for door, more than 70.29m arched roof color steel in low latitude and list
First rack is synchronously installed, and is lifted together.
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| CN106703410A (en) * | 2015-11-18 | 2017-05-24 | 上海宝冶集团有限公司 | Bi-directional large column grid steel grid block suspension lifting construction method |
| CN106013447A (en) * | 2016-06-27 | 2016-10-12 | 哈尔滨工业大学空间钢结构幕墙有限公司 | CFST (concrete filled steel tube) arched space grid structure |
| CN106320524B (en) * | 2016-08-21 | 2018-11-02 | 浙江东南网架股份有限公司 | A kind of method for improving of the upside-down mounting accumulation of the vertical rack of superelevation height |
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| CN111042542A (en) * | 2019-12-18 | 2020-04-21 | 中建科工集团有限公司 | Cumulative lifting method for large-span unequal-height bidirectional curved surface net rack |
| CN111364622A (en) * | 2020-04-08 | 2020-07-03 | 五冶集团上海有限公司 | Construction method of long-span arched net rack strip-shaped building |
| CN112359975B (en) * | 2020-11-05 | 2022-04-15 | 中国十九冶集团有限公司 | Installation method for preventing latticed shell from laterally moving |
| CN112982683B (en) * | 2021-05-20 | 2021-08-17 | 中铁建工集团有限公司 | Roof steel structure construction method and system |
| CN116335283B (en) * | 2023-03-31 | 2025-08-12 | 中国建筑第八工程局有限公司 | Method for installing arch structure |
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