CN107060105A - Lifting construction method for multiple steel galleries between tower buildings - Google Patents
Lifting construction method for multiple steel galleries between tower buildings Download PDFInfo
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- CN107060105A CN107060105A CN201710326724.9A CN201710326724A CN107060105A CN 107060105 A CN107060105 A CN 107060105A CN 201710326724 A CN201710326724 A CN 201710326724A CN 107060105 A CN107060105 A CN 107060105A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 226
- 239000010959 steel Substances 0.000 title claims abstract description 226
- 238000010276 construction Methods 0.000 title claims abstract description 67
- 238000009434 installation Methods 0.000 claims abstract description 18
- 238000000465 moulding Methods 0.000 claims description 29
- 238000000034 method Methods 0.000 claims description 25
- 238000012790 confirmation Methods 0.000 claims description 12
- 238000013461 design Methods 0.000 claims description 10
- 230000008569 process Effects 0.000 claims description 10
- 239000000725 suspension Substances 0.000 claims description 8
- 230000009467 reduction Effects 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 4
- 230000006872 improvement Effects 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims description 3
- 230000002159 abnormal effect Effects 0.000 claims description 2
- 238000001514 detection method Methods 0.000 claims description 2
- 230000000007 visual effect Effects 0.000 claims description 2
- 230000003827 upregulation Effects 0.000 claims 1
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 238000005336 cracking Methods 0.000 description 4
- 239000011150 reinforced concrete Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000012407 engineering method Methods 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/35—Extraordinary methods of construction, e.g. lift-slab, jack-block
-
- 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
- E04B2001/3588—Extraordinary methods of construction, e.g. lift-slab, jack-block using special lifting or handling devices, e.g. gantries, overhead conveying rails
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- Architecture (AREA)
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- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention relates to a lifting construction method for a plurality of steel galleries among tower buildings, wherein the lifting sequence is low-region steel gallery, middle-region steel gallery and high-region steel gallery, firstly, preassembling rod pieces are arranged at the elevations of the low-region steel gallery, the middle-region steel gallery and the high-region steel gallery, a lifting platform is arranged, and meanwhile, a hydraulic lifter is arranged; then assembling the low-area steel gallery on the ground and lifting the low-area steel gallery to the elevation, erecting a jig frame on the low-area steel gallery for assembling the middle-area steel gallery, and lifting the low-area steel gallery to the elevation; and then building a jig frame on the middle area steel gallery to assemble the high area steel gallery, and lifting the high area steel gallery to the elevation to complete construction. The construction of a plurality of steel vestibules between tower buildings is not general, the construction method can obviously improve the construction efficiency through engineering practice, ensure the construction safety, greatly reduce the workload of hoisting, save the energy consumption and time, reduce the construction cost and the installation construction difficulty, accord with the national green construction requirement, can provide reference and guidance for the construction of a plurality of steel vestibules between similar double tower buildings in the future, and have the prospect of popularization and application.
Description
Technical field
The present invention relates to construction steel structure installation Technology field, multiple steel vestibules carries between more particularly to a kind of high building
Rise construction method.
Background technology
Pursuit with the growing tension of urban built-up land, people to the art of architecture is improved constantly and construction cost
Day by day increase severely, the multiple aerial long-span heavy type steel vestibules of Super High two tall buildings also will be increasing, big for span, highly high
Building, the mode integrally lifted using hydraulic pressure is preferred, but the multiple steel vestibule forms of two tall buildings are different, and weight differs, suitably
Method for improving must take into account cost, security and easy construction.
Vestibule is one kind in Complex Tall Building system, and it is a kind of connector, perpendicular to building lateral arrangement, only
The Project case for installing a vestibule is very more, and the construction of multiple steel vestibules is not universal between two tall buildings, the construction referred to
Example is extremely limited, moreover, steel vestibule is in installation on ground, during overall lifting, larger due to conducting oneself with dignity, and lifting construction is there is originally
Difficulty is big, lifting and the problems such as high installation requirement.At present, the lifting operation of multiple steel vestibules is also based on single steel vestibule lifting work
Industry mode：The first step, sets assembled moulding bed on basement roof, and hydraulic rockshaft is set at high area's steel vestibule absolute altitude and is carried
Peaceful, using truck crane, tower crane on assembled moulding bed assembled high area's steel vestibule；Second step, lifts high area's steel vestibule, on ground
Hydraulic rockshaft and lifting platform are set at steel vestibule in area's in assembly, Bing Zhong areas steel vestibule absolute altitude；Area's steel in 3rd step, lifting
Vestibule, sets hydraulic rockshaft and lifting platform at the low area's steel vestibule of installation on ground, Bing Di areas steel vestibule absolute altitude；4th
Step, lifts low area's steel vestibule.
The problem of existing one：Each steel vestibule lifting need to all set corresponding hydraulic rockshaft in the high building built up
With lifting platform, the installation measure amount that three steel vestibule liftings need is big, consumes substantial amounts of material, time, adds construction
Cost.Problem two：Three steel gallery structure weight are very huge, if three steel vestibules continue the assembly on basement roof,
Long-time is in great stress by basement roof, and its bearing capacity is much not enough, easily produces cracking, and security is obtained
Less than guarantee, it is necessary to be reinforced to basement roof, using shaped steel, full hall scaffold return back to top supports or in basement knot
Increase in structure reinforced concrete column, steel frame beam substantial amounts of material is consumed to strengthen the bearing capacity of basement roof, so, it is artificial and when
Between, drag slowly construction speed, add construction cost.The report multiple steel vestibule lifting constructions high building is there is no at this stage.
The content of the invention
To solve the above problems, the present invention provides a kind of lifting construction method of multiple steel vestibules between high building, it is intended to reduce
The difficulty of construction of the build process of multiple steel vestibules between two tall buildings, is constructed into while shortening basement roof load time, saving
Originally, reduction difficulty of construction.
To achieve the above object, the present invention is adopted the following technical scheme that：
The present invention provides a kind of lifting construction method of multiple steel vestibules between high building, and lifting order is low area's steel vestibule 6, middle area's steel
Vestibule 9, high area's steel vestibule 10, comprise the following steps：
Step 1, prepackage rod member 1 is respectively mounted at low area's steel vestibule 6, middle area's steel vestibule 9, the designed elevation of high area's steel vestibule 10,
Lifting platform 3, and the installation hydraulic rockshaft 2 on every group of lifting platform 3 are set on high area's steel vestibule 10 prepackage rod member 1；
Hydraulic synchronizing lifting system equipment, including hydraulic pump source system, hydraulic rockshaft 2, biography are installed on the lifting platform 3
Sensor, hydraulic oil pipe etc.；
Step 2, using the assembly under the projection of low area's steel vestibule 6 predetermined installation site of truck crane 8, according to low area's steel vestibule 6
Loading characteristic, debugging hydraulic rockshaft 2 and steel strand wires 5, and check whether low area's steel vestibule 6 meets design requirement；
Step 3, after checking that confirmation is errorless, hydraulic rockshaft 2 takes the method for hierarchical loading to be preloaded, and utilizes hydraulic pressure lift
Device 2 drives steel strand wires 5 that low area's steel vestibule 6 is carried out into lifting 11 for the first time, departs from assembled moulding bed 7, basement roof is not stressed,
It is promoted to the low designed elevation of area's steel vestibule 6；
Step 4, after low area's steel vestibule 6 checks that confirmation is errorless, assembled moulding bed 7 is set in the low top of area's steel vestibule 6, tower is utilized
Area's steel vestibule 9 in assembly is hung on assembled moulding bed 7；
Step 5, after checking that confirmation is errorless, repeat step 2, hydraulic rockshaft 2 takes the method for hierarchical loading to be preloaded, profit
Drive steel strand wires 5 that middle area's steel vestibule 9 is carried out into second of lifting 12 with hydraulic rockshaft 2, depart from assembled moulding bed 7, in being promoted to
The designed elevation of area's steel vestibule 9；
Step 6, area's steel vestibule 9 and prepackage rod member 1 in welding, whether area's steel vestibule 9 meets design requirement in inspection, confirms errorless
Afterwards, assembled moulding bed 7 is set in the top of middle area's steel vestibule 9, using tower crane on assembled moulding bed 7 assembled high area's steel vestibule 10；
Step 7, after checking that confirmation is errorless, repeat step 2, hydraulic rockshaft 2 takes the method for hierarchical loading to be preloaded, profit
Drive steel strand wires 5 that high area's steel vestibule 10 is carried out into third time lifting 13 with hydraulic rockshaft 2, depart from assembled moulding bed 7, lifted paramount
The designed elevation of area's steel vestibule 10, welds high area's steel vestibule 10 and prepackage rod member 1；
Step 8, unloading hydraulic rockshaft 2 is fully relaxed to steel strand wires 5, removes measure for improvement, the deadweight of steel vestibule is transferred to tower
On building 4, the erection ＆ lift work of low area's steel vestibule 6, middle area's steel vestibule 9, high area's steel vestibule 10 is completed.
Further, check to carry out low area's steel vestibule 6, middle area's steel vestibule 9, high area's steel vestibule 10 described in step 1~step 7
The visual examination of carrying out flaw detection and weld seam 11.
Further, the hydraulic rockshaft 2 uses steel strand wires 5 as lifting load-bearing rigging, and steel strand wires are installed from the bottom to top
5, suspender, wear earth anchor；The steel strand wires 5 are cut on demand, after equating of polishing, respectively with low 6 two ends of area's steel vestibule symmetrically arranged 4
Individual suspension centre is fixedly connected；Tension steel strand 5, makes its uniform stressed, locks earth anchor；The hydraulic synchronizing lifting system is debugged, is examined
Whether all interim measures for looking into hydraulic synchronizing lifting meet design requirement.
Further, the hydraulic rockshaft 2 is stretched cylinder pressure and gradually raised, the 20%, 40% of pressure needed for being followed successively by, at all
In the case of all normal, it can continue to be loaded into 60%, 70%, 80%, 90%, 95%, 100%；
Further, the hierarchical loading should be noted：Each step hierarchical loading is finished, and all should be suspended and be checked before the loading of steel vestibule
Deformation afterwards and the stability of the structure of high building 4.
Further, observing time at least reserved 10 minutes between each adjacent load step, until vestibule lift unit
Depart from assembled moulding bed 7.
Further, when the high area's steel vestibule 10 of area's steel vestibule 9/ in low area's steel vestibule 6/ in step 2/ step 4/ step 6
When being promoted to away from designed elevation 1000mm, pause lifting is locked using hydraulic rockshaft 2, and aerial stop makees complete for more than 12 hours
Face checked, suspension centre structure, bearing system, lifting means, truss and the deformation of weld seam and stressing conditions etc. are checked emphatically, is measured low
The each point actual size of the high area's steel vestibule 10 of area's steel vestibule 6/middle area's steel vestibule 9/ and the prepackage interface of rod member 1, collation process, drop
Low lifting speed, is continued to lift up to absolute altitude；Weld and check in low area's steel vestibule 6/ whether is the high area's steel vestibule 10 of area's steel vestibule 9/
Design requirement is met, so far the lifting construction of the high area's steel vestibule 10 of area's steel vestibule 9/ is completed in low area's steel vestibule 6/, with high building 4
As an entirety.
Further, the step 8 lifting suspension centre is progressively unloaded, and unloading classification is carried out by 20%, and knot is observed after unloading 20%
Structure deformation, continues to unload 20% without abnormal conditions, and until load, all unloading is completed.
Beneficial effects of the present invention are embodied in：
1）Shaped steel, full hall scaffold need not be used to carry out the support that returns back to top, or increase reinforced concrete column, reinforcing bar in basement structure
Beam is to strengthen the bearing capacity of basement roof；Vestibule rectangular structure top surface only needs assembled low area's steel vestibule, and assembling duration is short, it is to avoid
Basement roof is reinforced on a large scale, basement roof do not allow to be also easy to produce cracking, saved substantial amounts of reinforcement material,
Engineering time and cost of labor, while the duration is shortened, reduce integral construction cost；
2）Do not need each steel vestibule lifting that corresponding hydraulic rockshaft and lifting are all set in the high building built up in advance
Platform, the engineering method passes through engineering practice, it is only necessary to set corresponding hydraulic pressure to carry in the high building at high area's steel vestibule absolute altitude
Rise device and lifting platform；The installation measure of steel vestibule lifting is greatlyd save, spillage of material is reduced, has saved artificial
And the time；
3）Set on low/medium area's steel vestibule after assembled moulding bed, assembled medium/high area's steel vestibule and lifted absolute altitude, this is applied
Work method, substantially reduces the vertical-lift distance of super large heavy-duty steel vestibule, has saved energy consumption and time, reduced construction cost
With installation difficulty, meet national green construction requirement, it is favourable in construction quality, construction safety and operation construction period etc.；
4）The construction of multiple steel vestibules is not universal between two tall buildings, and the construction method can be improved significantly by engineering practice
Efficiency of construction, ensures construction safety, and the reduction of the workload amplitude peak of lifting can connect for the multiple steel of similar two tall buildings later
Corridor engineering construction is offered reference and instructed, the prospect with popularization and application.
Other features and advantages of the present invention will be illustrated in the following description, and partly becomes from specification
It is clear that or being understood by implementing the present invention.The main object of the present invention and further advantage can be by specification, power
Specifically noted scheme is realized and obtained in sharp claim.
Brief description of the drawings
The present invention will be further described in detail below in conjunction with the accompanying drawings.
Fig. 1 is step 1 schematic diagram of the present invention.
Fig. 2 is that step 2 of the present invention lifts schematic diagram for the first time.
Fig. 3 is step 3 schematic diagram of the present invention.
Fig. 4 is second of lifting schematic diagram of step 4 of the present invention.
Fig. 5 is step 5 schematic diagram of the present invention.
Fig. 6 is that step 6 of the present invention lifts schematic diagram for the third time.
Reference：1- prepackages rod member, 2- hydraulic rockshafts, 3- liftings platform, 4- high buildings, 5- steel strand wires, 6-
Area's steel vestibule, the high area's steel vestibules of 10-, the lifting of 11- first times, 12- in the assembled moulding bed of low area's steel vestibule, 7-, 8- truck cranes, 9-
Second of lifting, 13- third times are lifted.
Embodiment
Below in conjunction with the accompanying drawings and the present invention is further described embodiment：
Multiple steel vestibules between two tall buildings, it is desirable to which assembled completion is carried out again one by one on basement roof so heavy steel construction
The lifting of certain distance, then carries out necessarily required connection construction with high building, and difficulty of construction is big, and lifting is high with installation requirement,
Assembled process duration especially on basement roof top is long, basement roof is in great stress shape for a long time
Under state, its bearing capacity is much not enough, easily produces cracking, and security cannot be guaranteed.
The lifting construction method of multiple steel vestibules between a kind of high building of the present invention, multiple steel vestibules are connected between two tall buildings 4,
Lifting order is low area's steel vestibule 6, middle area's steel vestibule 9, high area's steel vestibule 10, is comprised the following steps：
Step 1, prepackage rod member 1 is respectively mounted at low area's steel vestibule 6, middle area's steel vestibule 9, the designed elevation of high area's steel vestibule 10,
Lifting platform 3 is set on the prepackage rod member 1 of Jin Gao areas steel vestibule 10, four groups of lifting platforms 3 are set altogether, and it is flat in every group of lifting
One hydraulic rockshaft 2 is installed on platform 3；Hydraulic synchronizing lifting system equipment, including hydraulic pump source system, hydraulic rockshaft are installed
2nd, sensor etc.；
The quantity of hydraulic rockshaft 2 extends according to the weight of steel vestibule in step 1.
Using the assembly under the projection of low area's steel vestibule 6 predetermined installation site of truck crane 8, according to the stress of low area's steel vestibule 6
Feature, debugging hydraulic rockshaft 2 and steel strand wires 5, and it is as shown in Figure 1 to check whether low area's steel vestibule 6 meets design requirement；
The hydraulic rockshaft 2 uses steel strand wires 5 as lifting load-bearing rigging, and steel strand wires 5 are installed from the bottom to top, suspender, wear ground
Anchor；The steel strand wires 5 are cut on demand, after equating of polishing, and are fixed respectively with symmetrically arranged 4 suspension centres in low 6 two ends of area's steel vestibule
Connection；Tension steel strand 5, makes its uniform stressed, locks earth anchor；The hydraulic synchronizing lifting system is debugged, hydraulic synchronization is checked
Whether all interim measures of lifting meet design requirement；
Hydraulic rockshaft 2 only needs to set in the high building at the high absolute altitude of area's steel vestibule 10, greatlys save multiple steel and connects
The installation measure of corridor lifting；Wherein, the quantity of suspension centre is set according to actual conditions such as absolute altitude, steel vestibule weight；
Step 2, after checking that confirmation is errorless, hydraulic rockshaft 2 takes the method for hierarchical loading to be preloaded, and utilizes hydraulic pressure lift
Device 2 drives steel strand wires 5 that low area's steel vestibule 6 is carried out into lifting 11 for the first time, departs from assembled moulding bed 7, basement roof is not stressed,
It is promoted to 6 designed elevations of low area's steel vestibule as shown in Figure 2；
If low area's steel vestibule 6 has movement when just starting lifting, Suspend Job is needed, hydraulic test system pressure is kept.To liquid
Pressure synchronization lifting system equipment is checked comprehensively, is confirming integrally-built stability and the no problem definitely situation of security
Under, it could start to continue to lift up.If there is the situation that each point is liftoff when different, lifting speed should be now reduced, and see closely
The liftoff situation of each point is looked into, " single-point is moved " lifting is done if necessary to ensure the levelness of low area's steel vestibule 6.It is promoted to away from designed elevation
During 1000mm, pause lifting is locked using hydraulic rockshaft 2, and aerial stop is made to check comprehensively for more than 12 hours, checks hang emphatically
Point structure, bearing system, lifting means, truss and the deformation of weld seam and stressing conditions etc., measure low area's steel vestibule 6 and prepackage bar
The each point actual size of the interface of part 1, collation process, reduction lifting speed is continued to lift up to absolute altitude.Weld low area's steel vestibule 6 with
Rod member 1 is pre-installed, checks whether low area's steel vestibule 6 meets design requirement, so far the lifting construction of low area's steel vestibule 6 is completed, it is and double
High building 4 turns into a complete entirety.
It must be noted that in construction：During hierarchical loading, each step hierarchical loading is finished, and all should be suspended and be checked, such as
Deformation before and after the loading of the low grade of area's steel vestibule 6, and main building structure stability situations such as.In situation about all going well
Under, continue next step hierarchical loading；Wherein, the hydraulic rockshaft 2 is stretched cylinder pressure and gradually raised, pressure needed for being followed successively by
20%, 40%, in the case where Everything is fine, it can continue to be loaded into 60%, 70%, 80%, 90%, 95%, 100%, it is adjacent every time to add
Observing time at least reserved 10 minutes between load step, until vestibule lift unit departs from assembled moulding bed 7.
Step 3, after low area's steel vestibule 6 checks that confirmation is errorless, assembled moulding bed 7 is set in the low top of area's steel vestibule 6, tower is utilized
Area's steel vestibule 9 in assembly is hung on assembled moulding bed 7, as shown in Figure 3.
Step 4, shown in Fig. 4, after checking that confirmation is errorless, hydraulic rockshaft 2 takes the method for hierarchical loading to be preloaded,
Drive steel strand wires 5 that middle area's steel vestibule 9 is carried out into second of lifting 12 using hydraulic rockshaft 2, depart from assembled moulding bed 7, be promoted to
The middle designed elevation of area's steel vestibule 9.Wherein, the method for hierarchical loading, the points for attention of lifting process are identical with step 2.
Step 5, area's steel vestibule 9 and prepackage rod member in welding, whether area's steel vestibule 9 meets design requirement in inspection, confirms
After errorless, assembled moulding bed 7 is set in the top of middle area's steel vestibule 9, using tower crane on assembled moulding bed 7 assembled high area's steel vestibule 10.
Wherein, the method for hierarchical loading, the points for attention of lifting process are identical with step 2.
Step 6, after checking that confirmation is errorless, hydraulic rockshaft 2 takes the method for hierarchical loading to be preloaded, and utilizes hydraulic pressure
Lifter 2 drives steel strand wires 5 that high area's steel vestibule 10 is carried out into third time lifting 13, departs from assembled moulding bed 7, lifts paramount area's steel and connects
The designed elevation of corridor 10.Wherein, the method for hierarchical loading, the points for attention of lifting process are identical with step 2.
After installation, the synchronous load shedding of each suspension centre of hydraulic synchronizing lifting system equipment is fully relaxed to steel strand wires 5, makes
The deadweight of steel vestibule is transferred on high building 4, removes measure for improvement, completes the erection ＆ lift work of Gao Qu, middle area, low area's steel vestibule
As shown in Figure 6.
To sum up, the lifting construction method of multiple steel vestibules between a kind of high building that the present invention is announced,
1）Whole process only needs the corresponding hydraulic rockshaft of interior setting at high area's steel vestibule absolute altitude and lifting platform i.e.
Can；The installation measure of steel vestibule lifting is greatlyd save, spillage of material is reduced, the artificial and time has been saved；
2）Set on low/medium area's steel vestibule after assembled moulding bed, assembled medium/high area's steel vestibule and lifted absolute altitude, this is applied
Work method, substantially reduces the vertical-lift distance of super large heavy-duty steel vestibule, has saved energy consumption and time, reduced construction cost
With installation difficulty, meet national green construction requirement, it is favourable in construction quality, construction safety and operation construction period etc.；
3）Shaped steel, full hall scaffold need not be used to carry out the support that returns back to top, or increase reinforced concrete column, reinforcing bar in basement structure
Beam is to strengthen the bearing capacity of basement roof；Vestibule rectangular structure top surface only needs assembled low area's steel vestibule, and assembling duration is short, it is to avoid
Basement roof is reinforced on a large scale, basement roof do not allow to be also easy to produce cracking, saved substantial amounts of reinforcement material,
Engineering time and cost of labor, while the duration is shortened, reduce integral construction cost；
4）The construction of multiple steel vestibules is not universal between two tall buildings, and the construction method can be improved significantly by engineering practice
Efficiency of construction, ensures construction safety, and the reduction of the workload amplitude peak of lifting can connect for the multiple steel of similar two tall buildings later
Corridor engineering construction is offered reference and instructed, the prospect with popularization and application.
In the lifting process of construction cell, lifting region rod member is needed to carry out temperature pier to meet overall lifting need
Ask, offset the deformation that weight stress is produced in lifting, form it into it is stable overall to be lifted, using prior art, herein
Repeat no more.The installation of hydraulic synchronizing lifting system equipment, debugging, using, unloading prior art is used, will not be repeated here.
The present invention preferably embodiment is the foregoing is only, but protection scope of the present invention is not limited thereto,
Any one skilled in the art the invention discloses technical scope in the change or replacement expected, should all contain
Cover within protection scope of the present invention.
Claims (8)
1. a kind of lifting construction method of multiple steel vestibules between high building, it is characterised in that lifting order is low area's steel vestibule（6）、
Middle area's steel vestibule（9）, high area's steel vestibule（10）, comprise the following steps：
Step 1, in low area's steel vestibule（6）, middle area's steel vestibule（9）, high area's steel vestibule（10）Designed elevation at be respectively mounted prepackage
Rod member（1）, in high area's steel vestibule（10）Pre-install rod member（1）It is upper that lifting platform is set（3）, and in every group of lifting platform（3）On
Hydraulic rockshaft is installed（2）；
Step 2, using truck crane（8）In low area's steel vestibule（6）The predetermined lower assembly of installation site projection, according to low Qu Ganglian
Corridor（6）Loading characteristic, debug hydraulic rockshaft（2）And steel strand wires（5）, and check low area's steel vestibule（6）Whether satisfaction is designed
It is required that；
Step 3, after checking that confirmation is errorless, hydraulic rockshaft（2）Take the method for hierarchical loading to be preloaded, carried using hydraulic pressure
Rise device（2）Drive steel strand wires（5）By low area's steel vestibule（6）Carry out first time lifting（11）, depart from assembled moulding bed（7）, make underground
Ceiling plate does not stress, and is promoted to low area's steel vestibule（6）Designed elevation；
Step 4, low area's steel vestibule（6）After checking that confirmation is errorless, in low area's steel vestibule（6）Top sets assembled moulding bed（7）,
Using tower crane in assembled moulding bed（7）Area's steel vestibule in upper assembly（9）；
Step 5, after checking that confirmation is errorless, hydraulic rockshaft（2）Take the method for hierarchical loading to be preloaded, carried using hydraulic pressure
Rise device（2）Drive steel strand wires（5）By middle area's steel vestibule（9）Second is carried out to be lifted（12）, depart from assembled moulding bed（7）, it is promoted to
Middle area's steel vestibule（9）Designed elevation；
Step 6, steel vestibule in area's in welding（9）With prepackage rod member（1）, steel vestibule in area's in inspection（9）Whether design requirement is met, really
Recognize it is errorless after, in middle area's steel vestibule（9）Top sets assembled moulding bed（7）, using tower crane in assembled moulding bed（7）Upper assembled high area's steel
Vestibule（10）；
Step 7, after checking that confirmation is errorless, hydraulic rockshaft（2）Take the method for hierarchical loading to be preloaded, carried using hydraulic pressure
Rise device（2）Drive steel strand wires（5）By high area's steel vestibule（10）Carry out third time lifting（13）, depart from assembled moulding bed（7）, it is promoted to
High area's steel vestibule（10）Designed elevation, welds high area's steel vestibule（10）With prepackage rod member（1）；
Step 8, hydraulic rockshaft is unloaded（2）To steel strand wires（5）It is fully relaxed, measure for improvement is removed, makes the deadweight transfer of steel vestibule
To high building（4）On, complete low area's steel vestibule（6）, middle area's steel vestibule（9）, high area's steel vestibule（10）Erection ＆ lift work.
2. lifting construction method as claimed in claim 1, it is characterised in that check to be to low area described in step 1~step 7
Steel vestibule（6）, middle area's steel vestibule（9）, high area's steel vestibule（10）Carry out carrying out flaw detection and weld seam（11）Visual examination.
3. lifting construction method as claimed in claim 1, it is characterised in that the hydraulic rockshaft（2）Use steel strand wires（5）
As lifting load-bearing rigging, steel strand wires are installed from the bottom to top（5）, suspender, wear earth anchor；Tension steel strand（5）, make it uniform by
Power, locks earth anchor.
4. lifting construction method as claimed in claim 1, it is characterised in that the hydraulic rockshaft（2）Stretch cylinder pressure gradually
Up-regulation, the 20%, 40% of pressure, in the case where Everything is fine, can continue to be loaded into 60%, 70%, 80% needed for being followed successively by,
90%, 95%, 100%.
5. lifting construction method as claimed in claim 1, it is characterised in that the hierarchical loading should be noted：Each step point
Level loaded, all should suspend and check the deformation and high building before and after the loading of steel vestibule（4）The stability of structure.
6. lifting construction method as claimed in claim 1, it is characterised in that 10 points are at least reserved between adjacent load step
The observing time of clock, until steel vestibule lift unit departs from assembled moulding bed（7）.
7. lifting construction method as claimed in claim 1, it is characterised in that when the low area in step 2/ step 4/ step 6
Steel vestibule（6）/ middle area's steel vestibule（9）/ high area's steel vestibule（10）When being promoted to away from designed elevation 1000mm, pause lifting is utilized
Hydraulic rockshaft（2）Locking, more than 12 hours works of aerial stop are checked comprehensively, and suspension centre structure, bearing system, lifting are checked emphatically
Equipment, the deformation of truss and weld seam and stressing conditions etc., measure low area's steel vestibule（6）/ middle area's steel vestibule（9）/ high area's steel vestibule
（10）With prepackage rod member（1）The each point actual size of interface, collation process, reduction lifting speed is continued to lift up to absolute altitude；Welding
And check low area's steel vestibule（6）/ middle area's steel vestibule（9）/ high area's steel vestibule（10）Whether design requirement is met, so far low Qu Ganglian
Corridor（6）/ middle area's steel vestibule（9）/ high area's steel vestibule（10）Lifting construction complete, with high building（4）As an entirety.
8. lifting construction method as claimed in claim 1, it is characterised in that the step 8 lifting suspension centre is progressively unloaded, and is unloaded
Classification is carried out by 20%, observation structure deformation after unloading 20%, continues to unload 20% without abnormal conditions, until load is complete
Portion's unloading is completed.
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| CN109083268A (en) * | 2018-10-29 | 2018-12-25 | 中国冶集团有限公司 | Narrow more barrier zone bilayer differing tilt angles vestibules once lift installation method |
| CN109826447A (en) * | 2019-02-28 | 2019-05-31 | 五冶集团上海有限公司 | A kind of method of hydraulic lifting apparatus steel strand wires high-altitude Fast Installation |
| CN109881890A (en) * | 2019-02-21 | 2019-06-14 | 深圳市建筑设计研究总院有限公司 | A kind of more corridor construction methods of super high-rise building |
| CN112049439A (en) * | 2020-10-14 | 2020-12-08 | 中冶建工集团重庆钢结构有限公司 | Method for integrally lifting and mounting steel platform in limited space |
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| CN109083268A (en) * | 2018-10-29 | 2018-12-25 | 中国冶集团有限公司 | Narrow more barrier zone bilayer differing tilt angles vestibules once lift installation method |
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| CN109826447A (en) * | 2019-02-28 | 2019-05-31 | 五冶集团上海有限公司 | A kind of method of hydraulic lifting apparatus steel strand wires high-altitude Fast Installation |
| WO2021012971A1 (en) * | 2019-07-22 | 2021-01-28 | 中建三局集团有限公司 | Integral lifting construction method for ultra-large hyperbolic integrated unit aluminium plate curtain walls |
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| CN113152687A (en) * | 2021-04-21 | 2021-07-23 | 上海宝冶集团南京建筑有限公司 | Structure and method for improving layering reverse order of hollow steel gallery |
| CN113494127A (en) * | 2021-07-09 | 2021-10-12 | 上海宝冶集团有限公司 | Construction method for layered lifting of large-span open-web corridor steel platform |
| CN115262991A (en) * | 2022-06-15 | 2022-11-01 | 中国五冶集团有限公司 | Corridor lifting and folding structure and construction method thereof |
| CN115492252A (en) * | 2022-11-04 | 2022-12-20 | 中国十七冶集团有限公司 | Overall hoisting facility and construction method of high-altitude long-span steel structure corridor based on BIM technology |
| CN117052157A (en) * | 2023-08-03 | 2023-11-14 | 中冶(上海)钢结构科技有限公司 | An overall lifting construction method and construction device for a multi-layer column-free steel corridor |
| CN117702899A (en) * | 2023-11-14 | 2024-03-15 | 中交四航局第六工程有限公司 | Installation construction method of ultra-large span heavy steel corridor |
| CN118241874A (en) * | 2024-04-08 | 2024-06-25 | 中国五冶集团有限公司 | Integral lifting method for high-altitude multilayer multi-channel steel corridor |
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