CN106013419B - Long-span Cantilever abnormity transfinites structural steel corridor construction engineering method - Google Patents
Long-span Cantilever abnormity transfinites structural steel corridor construction engineering method Download PDFInfo
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- CN106013419B CN106013419B CN201610412711.9A CN201610412711A CN106013419B CN 106013419 B CN106013419 B CN 106013419B CN 201610412711 A CN201610412711 A CN 201610412711A CN 106013419 B CN106013419 B CN 106013419B
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- 238000010276 construction Methods 0.000 title claims abstract description 120
- 229910000746 Structural steel Inorganic materials 0.000 title claims abstract description 9
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 69
- 239000010959 steel Substances 0.000 claims abstract description 69
- 238000009434 installation Methods 0.000 claims abstract description 13
- 230000032823 cell division Effects 0.000 claims abstract description 4
- 238000007906 compression Methods 0.000 claims description 12
- 238000007493 shaping process Methods 0.000 claims description 9
- 230000001360 synchronised Effects 0.000 claims description 8
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- 239000000203 mixture Substances 0.000 claims description 5
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- 238000005516 engineering process Methods 0.000 abstract description 7
- 239000000463 material Substances 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 10
- 241001310793 Podium Species 0.000 description 5
- 238000009408 flooring Methods 0.000 description 5
- 102100011927 C8orf34 Human genes 0.000 description 4
- 101710030126 C8orf34 Proteins 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000000465 moulding Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 208000008425 Protein Deficiency Diseases 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
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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
- E04B1/0046—Loggias
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
Abstract
Transfinited structural steel corridor construction engineering method the invention discloses a kind of Long-span Cantilever abnormity, using following steps：1) construction cell division is carried out to the steel vestibule：Divide the encorbelment middle stick of the steel superstructure of part of the gallery structure inside points and the vestibule into first construction cell, divide the encorbelment remainder of part of the vestibule into second construction cell, divide the vestibule overhanging portion into the 3rd construction cell；2) construction of first construction cell is completed on A high building floorboards using high-altitude scattered spelling and cantilever Method for Installation；3) construction of second construction cell and the 3rd construction cell, 4) is completed using sliding after overall lifting and overall lifting.Invention applies multinomial technologies such as slidings after high altitude bulk, overall lifting, overall lifting, save man-hour, fee of material, installation cost, and meet many requirements integrally controlled such as construction technology, quality, safety, progress and cost.
Description
Technical field
The present invention relates to a kind of construction method of steel vestibule, transfinited structural steel more particularly to a kind of Long-span Cantilever abnormity
Corridor construction engineering method.
Background technology
With the development of the social economy, people are also being continuously increased and improved for the demand and needs of building, disjunctor is multiple
Miscellaneous skyscraper emerges in multitude.Conjoined structure refers generally to be connected with each other by aerial connector between Building two or a few building skyscrapers,
Meet architectural image and the requirement using function.Setting on the one hand for the requirement of building function for conjoined structure, can facilitate
Contact between two high buildings.Current conjoined structure has good daylighting effect and wide visual field, due to conjoined structure
Set, make to have more characteristic in architectural appearance.Disjunctor Construction of Steel Structure method in large span high-altitude mainly includes at present：High altitude bulk
Method, slitting (piecemeal) lift-on/lift-off system, Integral Lifting, whole hanging method, cantilever Method for Installation, aerial sliding methed, inverse make Method for Installation etc..
The steel superstructure and lower extension layer steel construction that the Steel corridor of certain synthesis project is mainly formed by connecting by truss
Composition.Vestibule integral planar is rectangular, including left and right two parts, and left-hand component is connected with A high buildings, by the knot on floorboard
Structure inside points and connected part composition of encorbelmenting, right-hand component is the suspending part that A high buildings and B high buildings link together
Point, overhanging portion divides and encorbelmented with inside configuration part while docks, and the overhanging portion of vestibule and part of encorbelmenting are in same plane
It is interior L-shaped.Above-mentioned Steel corridor, which belongs to tall abnormity, to transfinite structure, and the maximum span of steel truss is 30m, height 4.4m.It is whole
Body hoisting height is 68.63 meters, wherein the cantilever span for part of encorbelmenting is 11.050m, weight is 165 tons, and lifting is without reliable branch
Point.Steel superstructure and lower extension all construction weights of layer steel construction are up to 425 tons.The scope of operation of above-mentioned component is in the flooring of podium
Carried out on plate, but the floorboard of above-mentioned podium is without the ability for carrying 425 tons.In summary, using existing large span
High-altitude disjunctor Construction of Steel Structure method can not complete the construction of above-mentioned Steel corridor.
The content of the invention
The present invention provides a kind of Long-span Cantilever abnormity for technical problem present in solution known technology to transfinite structure
Steel corridor construction engineering method, the engineering method can complete to transfinite height, Long-span Cantilever, lack the scope of operation, utilize the operation of annex flooring, building
Area load power is insufficient, lifts the steel corridor construction without reliable hoist point using overall.
The present invention is adopted the technical scheme that to solve technical problem present in known technology：A kind of Long-span Cantilever
Abnormity transfinites structural steel corridor construction engineering method, the steel vestibule connection A high buildings and B high buildings, is mainly formed by connecting by truss upper
Portion's steel construction and lower extension layer steel construction composition, the steel vestibule integral planar is rectangular, including left and right two parts, left-hand component with
A high buildings connect, and are made up of the gallery structure inside points on A high building floorboards and connected vestibule part of encorbelmenting, right
Rim portion is the vestibule overhanging portion that A high buildings and B high buildings link together, and the vestibule overhanging portion and the vestibule are encorbelmented
Part L-shaped arrangement in the same plane；The construction uses following steps：
1) construction cell division is carried out to the steel vestibule
Divide the encorbelment middle stick of the steel superstructure of part of the gallery structure inside points and the vestibule into first
Construction cell, divide the encorbelment remainder of part of the vestibule into second construction cell, the vestibule overhanging portion is divided into
3rd construction cell；
2) applying for first construction cell is completed on A high building floorboards using high-altitude scattered spelling and cantilever Method for Installation
Work；
3) construction of second construction cell is completed, is concretely comprised the following steps：
3.1) operations for forming of the second construction cell is completed on the roof boarding of annex；In the gallery structure inside points
Top outer sets multiple sliding and lifting devices I being arranged symmetrically；Encorbelmented in the vestibule centre of the steel superstructure of part
The top outer end both sides of stick set sliding and lifting device II；
Overhanging sliding and lifting beam I, the sliding and lifting beam I and the vestibule are provided with the sliding and lifting device I
The alien invasion of inside configuration point is vertical, is sequentially provided with bearing I, load push-pull I and sliding from outside to inside on the sliding and lifting beam I
Pull bar I, the bearing I are slidably connected with the sliding and lifting beam I, and the telescopic end of the load push-pull I is be hinged with the bearing I,
The inner and sliding pull bar I of the load push-pull I is hinged, and axially disposed multiple cards are provided with the sliding pull bar I
Plate I, postive stop baffle I, inner face of the tension and compression of clamp I in the postive stop baffle I are fixed with the sliding and lifting beam I
On；Lifter I is fixed with the bearing I；
Two overhanging lifting beams I are provided with the sliding and lifting device II, on the overhanging end of the lifting beam I
Be fixed with sliding beam I, the sliding beam I be located at the vestibule encorbelment part steel superstructure middle stick side it
Outside, the sliding beam I is vertical with the alien invasion of the gallery structure inside points, is set successively from outside to inside in the sliding beam I
There are bearing II, load push-pull II and sliding pull bar II, the bearing II to be slidably connected with the sliding beam I, the load push-pull II
Telescopic end is be hinged with the bearing II, and the inner and sliding pull bar II of the load push-pull II is hinged, in the sliding pull bar
II is provided with axially disposed multiple clamps II, and postive stop baffle II, the tension and compression of clamp II are fixed with the sliding beam I
On the inner face of the postive stop baffle II；Lifter II is fixed with the bearing II；
3.2) start the lifter I and the lifter II, the second construction cell Integral synchronous is promoted to peace
Fill design height；
3.3) start the load push-pull I and the load push-pull II, in the air by the second construction cell integral level to
Inside progressively sliding in place, then completes the connection of the second construction cell and the first construction cell；
4) construction of the 3rd construction cell is completed, is concretely comprised the following steps：
4.1) operations for forming of the 3rd construction cell is completed on the roof boarding of annex；In the gallery structure inside points and
The vestibule is encorbelmented partly sets gradually sliding and lifting device III and sliding and lifting device from the inside to the outside close to the top at B high buildings end
Ⅳ；Set and the sliding and lifting device III and the sliding and lifting device IV 1 close to the edge of A high buildings in the roof of B high buildings
Sliding and lifting device V corresponding to one and sliding and lifting device VI；
The sliding and lifting device III is fixed on the structural column of A high buildings, is provided with the sliding and lifting device III outer
The sliding and lifting beam III stretched, the sliding and lifting beam III is vertical with the side elevation of the gallery structure inside points, in the lifting
Bearing III, load push-pull III and sliding push rod III are sequentially provided with sliding beam III from outside to inside, the bearing III is slided with the lifting
Beam III is moved to be slidably connected, the telescopic end of the load push-pull III and the bearing III are be hinged, the load push-pull III it is inner with it is described
It is be hinged to slide push rod III, axially disposed multiple clamps III are provided with the sliding push rod III, in the sliding and lifting beam
Postive stop baffle III is fixed with III, the top pressure of clamp III is on the outer face of the postive stop baffle III；On the bearing III
It is fixed with lifter III；
Overhanging sliding and lifting beam IV, the sliding and lifting beam IV and the company are provided with the sliding and lifting device IV
The side elevation of corridor inside configuration point is vertical, is sequentially provided with bearing IV, load push-pull IV from outside to inside on the sliding and lifting beam IV
With sliding push rod IV, the bearing IV is slidably connected with the sliding and lifting beam IV, the telescopic end of the load push-pull IV with it is described
Bearing IV is be hinged, and the inner and sliding push rod IV of the load push-pull IV is hinged, and is provided with the sliding push rod IV along axle
To multiple clamps IV of arrangement, postive stop baffle IV is fixed with the sliding and lifting beam IV, the top pressure of clamp IV is described
On the outer face of postive stop baffle IV；Lifter IV is fixed with the bearing IV；
The sliding and lifting device V is located at roof edge intermediate region, is provided with the sliding and lifting device V overhanging
Sliding and lifting beam V, the sliding and lifting beam V is vertical with the side elevation of the gallery structure inside points, it is described lifting slide
Move on beam V and be sequentially provided with bearing V, load push-pull V and sliding pull bar V, the bearing V and the sliding and lifting from outside to inside
Beam V is slidably connected, and the telescopic end of the load push-pull V is be hinged with the bearing V, the inner and cunning of the load push-pull V
It is be hinged to move pull bar V, axially disposed multiple clamps V are provided with the sliding pull bar V, in the sliding and lifting beam V
On be fixed with postive stop baffle V, the tension and compression of clamp V are on the inner face of the postive stop baffle V；It is solid on the bearing V
Equipped with lifter V；
The sliding and lifting device VI is located at roof corner region, and the sliding and lifting device VI includes consolidating with Roofing slab
The lifting beam II and lifting beam III connect, the lifting beam II are stretched out along the direction vertical with B high building side elevations, the lifting beam III
It is inclined to B high buildings side elevation to stretch out, sliding beam II, institute is fixed with the overhanging end of the lifting beam II and the lifting beam III
State sliding beam II to be located at outside the side of B high buildings, the sliding beam II is parallel with the side elevation of B high buildings, in the lifting beam II
It is affixed with the diagonal brace that is respectively arranged below with of the lifting beam III, the lower end of the diagonal brace and B high buildings；
It is sequentially provided with bearing VI, load push-pull VI and sliding pull bar VI, the bearing from outside to inside in the sliding beam II
VI is slidably connected with the sliding beam II, and the telescopic end of the load push-pull VI is be hinged with the bearing VI, the load push-pull VI
It is inner be hinged with the sliding pull bar VI, axially disposed multiple clamps VI are provided with the sliding pull bar VI, described
A postive stop baffle VI is fixed with sliding beam II, the tension and compression of clamp VI are on the inner face of the postive stop baffle VI；Institute
State and lifter VI is fixed with bearing VI；
4.2) lifter III, the lifter IV, the lifter V and the lifter VI are started, by described the
Three construction cell Integral synchronous are promoted to mounting design height；
4.3) start load push-pull III, the load push-pull IV, the load push-pull V and the load push-pull VI, in the air will
The 3rd construction cell integral level progressively sliding in place to the right, makes the right-hand member of the vestibule overhanging portion be supported on sliding branch
On seat, the slip support abutment is fixed on bracket, and the bracket is arranged on the structural column of B high buildings；Then the vestibule is hanged
The left end of empty part is encorbelmented with the gallery structure inside points and the vestibule partly to link together.
The step 4.1), the operations for forming of the 3rd construction cell are progressively entered in the roof boarding higher slice block of annex
Capable, concretely comprise the following steps：
4.1.1 the steel superstructure shaping of the vestibule overhanging portion) is completed, then using the lifter III, described
Lifter IV, the lifter V and the lifter VI, the steel superstructure of the vestibule overhanging portion after shaping is carried
Rise to the first setting height；
4.1.2 layer steel structure forming is hung in) complete the vestibule overhanging portion first time, then by described the after shaping
Layer steel structure connection is once hung in the lower section of the steel superstructure of the vestibule overhanging portion, starts the lifter III, described
Lifter IV, the lifter V and the lifter VI, the steel superstructure of the vestibule overhanging portion is promoted to second
Setting height；
4.1.3) repeat step 4.1.2), until completing all lower companies for hanging layer steel construction of the vestibule overhanging portion
Connect.
The present invention has the advantages and positive effects of：
One) constructed using subdivision, solve transfinite height (68m), Long-span Cantilever (length 11.05m) steel vestibule and lack
Few scope of operation, using annex flooring operation, floow load power deficiency, the construction difficult problem without reliable hoist point is lifted using overall.
Avoid all using bulk-breaking high altitude bulk, reduce the workload of assembly and overhead welding, without large-scale hoisting machine
Tool equipment, using the existing equipment in scene with regard to lifting requirements can be met, and solves high-altitude spelling moulding bed (scaffolding height
68.63 meters) the problem of can not setting up, safety, quality risk are reduced, has saved construction cost, reduces difficulty of construction；By height
Idle job amount, which is down to, at least, is advantageous to the field erected safety of steel construction, quality and the control of duration.Meanwhile root of the present invention
According to building structure feature, to analysis rational in infrastructure and division construction cell is arranged, it is reliable integrally to lift foundation for construction cell
Hoist point.
Two) the first construction cell uses high-altitude scattered spelling and cantilever Method for Installation, using flooring and roof boarding as the scope of operation, nothing
Moulding bed need to be set up, has saved cost, reduces difficulty of construction, and is encorbelmented vestibule according to design feature construction part, establishes second
The reliable hoist point of construction cell, reduce the input of job site temporary facility and equipment.
Three) the second construction cell and the 3rd construction cell use the method construction slid after overall lifting+lifting, by filling
Point consider the stress system feature of elevated structure, do not changing structure stress system, make structure in lifting hoisting process should
On the premise of power ratio and deformation are controlled in specification allowed band, the multiple sliding and lifting points of reasonable Arrangement, successfully
Realize multi-point overhead horizontal direction sliding over long distances after overall lifting (the second construction cell skidding distance 1000mm, the 3rd
Construction cell skidding distance 1700mm).The advantage of the above method is：
1) permanent structure is reasonably utilized, it is with strong points using a variety of lifting erection methods, and combine installation at high altitude, whole
Body lifts the characteristics of method in place, synchronous hydraulic lifting so that maximizes the advantages of three kinds of methods.Save man-hour, fee of material, if
It is standby to take, and meet many requirements integrally controlled such as construction technology, quality, safety, progress and cost.
2) ultra-large type hydraulic synchronizing lifting construction technology is used, lifting process is fool proof, and component can lifted
During optional position locking, any lifter also can adjust individually, and Adjustment precision is high, is effectively improved structure and was lifted
The controllability of installation accuracy in journey.Using flexible rigging load-bearing, there is a rational load-bearing suspension centre, hoisting depth is unrestricted.Lifting
During component held stationary lifting posture, the high automation degree of equipment of synchronous control accuracy is high, flexible to operation, safety
Property it is good, reliability is high, and use is wide, versatile.
3) air translation is guaranteed without moulding bed, the security of hoisting process.Lifting means small volume, from heavy and light, carrying
Ability is big, the lifting operation particularly suitable for large-scale component.
4) lift the main temporary structure such as suspension centre to set using agent structure, hydraulic synchronizing lifting dynamic load is minimum in addition
Advantage, and the recycling of the lifting special hanger of lifting platform, sliding and lifting platform and different tonnages, can face lifting
When facility dosage minimize, be advantageous to construction cost control.
Four) it is big for the 3rd construction cell weight, the problem of podium floorboard load force deficiency, constructed using projecting method,
Lifting is further added by the lower mode for hanging layer to high-order layer by layer postpone of lower extension by several times, that is, solves asking for podium floorboard Lack of support
Topic, adds hoisting weight again.The main assembly of steel construction, welding and paint etc. are operated on the assembled moulding bed of flooring and carried out,
Loose mail lifting can be carried out with tower crane, efficiency of construction is high, and construction quality is easy to ensure.3rd construction cell integrally lifted after by adding
Long sliding pull bar realizes sliding (slip length 1700mm) over long distances.On 3rd construction cell and right side B high building upright column brackets
Slip support abutment welding, solve the problems, such as steel construction stress deformation.
In summary, the present invention is comprehensive employs high altitude bulk, cantilevered structure installation+overall sliding and lifting+entirety by several times
The multinomial technology such as sliding, is combined by the extension of lifting means, makes lifting weight, span and area equal after the projecting method of lifting aggravates
Improve a lot.Lifted, amount of high-altitude operation is down at least, in addition hydraulic pressure lift operation absolute time by the piecemeal of steel construction
It is shorter, it can effectively ensure that the overall duration of Steel Structure Installation.Having broken current Long-span Cantilever abnormity transfinites structural steel vestibule
The limitation of construction.
Brief description of the drawings
Fig. 1 is the structural representation that the present invention applies；
Fig. 2 is the schematic diagram of step 1) of the present invention；
Fig. 3 is the schematic diagram of step 2) of the present invention；
Fig. 4 is the schematic diagram of step 3.1) of the present invention；
Fig. 5 is the structural representation for the sliding and lifting device I that the present invention applies；
Fig. 6-1 is the front view for the sliding and lifting device II that the present invention applies；
Fig. 6-2 is the sliding beam (including sliding beam) for the sliding and lifting device II that the present invention applies with the vertical view of lower part
Figure；
Fig. 6-3 is the bearing, load push-pull and sliding pull bar connection diagram for the sliding and lifting device II that the present invention applies；
The schematic diagram of Fig. 7-1 steps 3.2) of the present invention；
Fig. 7-2 is Fig. 7-1 right view；
Fig. 8 is the schematic diagram of step 3.3) of the present invention；
Fig. 9 is the schematic diagram of step 4.1) of the present invention；
Figure 10 is the structural representation for the sliding and lifting device III that the present invention applies；
Figure 11 is the structural representation for the sliding and lifting device IV that the present invention applies；
Figure 12 is the structural representation for the sliding and lifting device V that the present invention applies；
Figure 13-1 is the structural representation for the sliding and lifting device VI that the present invention applies；
Figure 13-2 is Figure 13-1 side view；
Figure 13-3 is the sliding beam (including sliding beam) for the sliding and lifting device VI that the present invention applies with the vertical view of lower part
Figure；
Figure 14 is step 4.1.1 of the present invention) schematic diagram；
Figure 15 is step 4.1.2 of the present invention) schematic diagram；
Figure 16 is step 4.1.3 of the present invention) schematic diagram.
Embodiment
In order to further understand the content, features and effects of the present invention, hereby enumerating following examples, and coordinate accompanying drawing
Describe in detail as follows：
Refer to accompanying drawing, a kind of Long-span Cantilever abnormity transfinites structural steel corridor construction engineering method, and the steel vestibule 1 connects A
High building 2 and B high buildings 3, the steel superstructure being mainly formed by connecting by truss and lower extension layer steel construction form, and the steel vestibule 1 is whole
Body plane is rectangular, including left and right two parts, and left-hand component is connected with A high buildings 2, by the vestibule knot on the floorboard of A high buildings 2
Structure inside points and connected vestibule encorbelment part composition, right-hand component is the company that A high buildings 2 and B high buildings 3 link together
Corridor overhanging portion, the vestibule overhanging portion and the vestibule are encorbelmented part L-shaped arrangement in the same plane.
The construction of above-mentioned steel vestibule 1 uses following steps：
1) construction cell division is carried out to the steel vestibule 1
Divide the encorbelment middle stick of the steel superstructure of part of the gallery structure inside points and the vestibule into first
Construction cell 1-1, the encorbelment remainder of part of the vestibule is divided into second construction cell 1-2, by the vestibule suspending part
Graduation is the 3rd construction cell 1-3.
2) complete the first construction cell 1-1's on the floorboard of A high buildings 2 using high-altitude scattered spelling and cantilever Method for Installation
Construction.
3) construction of the second construction cell 1-2 is completed, is concretely comprised the following steps：
3.1) the second construction cell 1-2 operations for forming is completed on the roof boarding of annex 6；Inside the gallery structure
The top outer divided sets multiple 4-1 of sliding and lifting device I being arranged symmetrically；Encorbelmented in the vestibule steel superstructure of part
The top outer end both sides of middle stick the 4-2 of sliding and lifting device II is set.At least 1 group, 1 group two of the 4-1 of sliding and lifting device I
It is individual, two 4-1 of sliding and lifting device I set up separately the vestibule encorbelment part steel superstructure middle stick both sides,
There are 4 in the present embodiment.There are two sliding and liftings in the encorbelment side of the middle stick of the steel superstructure of part of the vestibule
The 4-1 of device I.
Overhanging sliding and lifting beam I 4-1-1, the 4- of sliding and lifting beam I are provided with the 4-1 of sliding and lifting device I
1-1 is vertical with the alien invasion of the gallery structure inside points, is sequentially provided with from outside to inside on the 4-1-1 of sliding and lifting beam I
The 4-1-2 of bearing I, the 4-1-3 of load push-pull I and sliding pull bar I 4-1-4, the 4-1-2 of the bearing I and 4-1-1 of sliding and lifting beam I
It is slidably connected, the telescopic end of the 4-1-3 of load push-pull I is hinged with the 4-1-2 of bearing I, the inner of the 4-1-3 of load push-pull I
It is hinged with the sliding 4-1-4 of pull bar I, the axially disposed 4-1- of multiple clamps I is provided with sliding pull bar I 4-1-4
6, the 4-1-5 of postive stop baffle I is fixed with the 4-1-1 of sliding and lifting beam I, the 4-1-6 tension and compression of clamp I are in the limiting block
On the 4-1-5 of plate I inner face；The 4-1-7 of lifter I is fixed with the 4-1-2 of bearing I.
Two overhanging 4-2-1 of lifting beam I are provided with the 4-2 of sliding and lifting device II, in the 4-2- of lifting beam I
It is fixed with sliding beam I 4-2-2 on 1 overhanging end, the 4-2-2 of sliding beam I is located at the vestibule and encorbelmented the upper steel of part
Outside the side of the middle stick of structure, the 4-2-2 of sliding beam I is vertical with the alien invasion of the gallery structure inside points,
The 4-2-3 of bearing II, the 4-2-4 of load push-pull II and the sliding 4-2-5 of pull bar II are sequentially provided with the 4-2-2 of sliding beam I from outside to inside,
The 4-2-3 of bearing II is slidably connected with the 4-2-2 of sliding beam I, telescopic end and the bearing of the 4-2-4 of load push-pull II
II 4-2-3 is hinged, and the inner and sliding 4-2-5 of pull bar II of the 4-2-4 of load push-pull II is hinged, in the sliding pull bar II
4-2-5 is provided with the axially disposed 4-2-7 of multiple clamps II, and a postive stop baffle is fixed with the 4-2-2 of sliding beam I
II 4-2-6, the 4-2-7 tension and compression of clamp II are on the inner face of the 4-2-6 of postive stop baffle II；In the 4-2-3 of bearing II
On be fixed with the 4-2-8 of lifter II.In the present embodiment, the above-mentioned 4-2-1 of lifting beam I has 2, and with inside the gallery structure
The equal out of plumb of alien invasion divided.
3.2) 4-1-7 of the lifter I and 4-2-8 of the lifter II is started, the second construction cell 1-2 is overall
Synchronous lifting to mounting design height.
3.3) 4-1-3 of the load push-pull I and 4-2-4 of the load push-pull II is started, in the air by second construction cell
The inside progressively sliding in place of 1-2 integral levels, then completes the second construction cell 1-2 and the first construction cell 1-1 connection.
4) construction of the 3rd construction cell is completed, is concretely comprised the following steps：
4.1) the 3rd construction cell 1-3 operations for forming is completed on the roof boarding of annex；Inside the gallery structure
Divide and the vestibule is encorbelmented and partly sets gradually the 4-3 of sliding and lifting device III and lifting from the inside to the outside close to the top at B high buildings end
The 4-4 of slide device IV；Set and the 4-3 of sliding and lifting device III and described close to the edge of A high buildings 2 in the roof of B high buildings 3
The 4-4 of sliding and lifting the device IV one-to-one 4-5 of sliding and lifting device V and the 4-6 of sliding and lifting device VI.
The 4-3 of sliding and lifting device III is fixed on the structural column 5 of A high buildings 2, in the 4-3 of sliding and lifting device III
It is edge-on with the gallery structure inside points to be provided with overhanging sliding and lifting beam III 4-3-1, the 4-3-1 of sliding and lifting beam III
Face is vertical, and the 4-3-2 of bearing III, the 4-3-3 of load push-pull III and cunning are sequentially provided with from outside to inside on the 4-3-1 of sliding and lifting beam III
Move push rod III 4-3-4, the 4-3-2 of bearing III to be slidably connected with the 4-3-1 of sliding and lifting beam III, the 4-3- of load push-pull III
3 telescopic end is hinged with the 4-3-2 of bearing III, and inner and sliding push rod III 4-3-4 of the 4-3-3 of load push-pull III is cut with scissors
Connect, the axially disposed 4-3-6 of multiple clamps III is provided with sliding push rod III 4-3-4, in the sliding and lifting beam III
The 4-3-5 of postive stop baffle III is fixed with 4-3-1, the 4-3-6 top pressures of clamp III are in the outer face of the 4-3-5 of postive stop baffle III
On；The 4-3-7 of lifter III is fixed with the 4-3-2 of bearing III.
The overhanging 4-4-1 of sliding and lifting beam IV, the sliding and lifting beam IV are provided with the 4-4 of sliding and lifting device IV
4-4-1 is vertical with the side elevation of the gallery structure inside points, is set successively from outside to inside on the 4-4-1 of sliding and lifting beam IV
There are the 4-4-2 of bearing IV, the 4-4-3 of load push-pull IV and sliding push rod IV 4-4-4, the 4-4-2 of bearing IV and the sliding and lifting beam
IV 4-4-1 is slidably connected, and the telescopic end of the 4-4-3 of load push-pull IV is hinged with the 4-4-2 of bearing IV, the 4- of load push-pull IV
The 4-3 inner and sliding 4-4-4 of push rod IV is hinged, and is provided with sliding push rod IV 4-4-4 axially disposed more
The individual 4-4-6 of clamp IV, postive stop baffle IV 4-4-5, the 4-4-6 of clamp IV are fixed with the 4-4-1 of sliding and lifting beam IV
Top pressure is on the outer face of the 4-4-5 of postive stop baffle IV；The 4-4-7 of lifter IV is fixed with the 4-4-2 of bearing IV.
The 4-5 of sliding and lifting device V is located at roof edge intermediate region, is set on the 4-5 of sliding and lifting device V
There are overhanging sliding and lifting beam V 4-5-1, the 4-5-1 of sliding and lifting beam V and the side elevation of the gallery structure inside points to hang down
Directly, the 4-5-2 of bearing V, the 4-5-3 of load push-pull V are sequentially provided with from outside to inside on the 4-5-1 of sliding and lifting beam V and sliding is drawn
Bar V 4-5-4, the 4-5-2 of bearing V and the 4-5-1 of sliding and lifting beam V are slidably connected, the 4-5-3's of load push-pull V
Telescopic end is hinged with the 4-5-2 of bearing V, and the inner and sliding 4-5-4 of pull bar V of the 4-5-3 of load push-pull V is hinged,
The axially disposed 4-5-6 of multiple clamps V is provided with sliding pull bar V 4-5-4, in the 4-5- of sliding and lifting beam V
The 4-5-5 of postive stop baffle V is fixed with 1, the 4-5-6 tension and compression of clamp V are on the inner face of the 4-5-5 of postive stop baffle V；
The 4-5-7 of lifter V is fixed with the 4-5-2 of bearing V.
The 4-6 of sliding and lifting device VI is located at roof corner region, and the 4-6 of sliding and lifting device VI includes and building
The affixed 4-6-8 of lifting beam II of top plate and the 4-6-9 of lifting beam III, the 4-6-8 of lifting beam II edges are vertical with B high building side elevations
Direction is stretched out, and the 4-6-9 of the lifting beam III deviation B high buildings side elevation stretches out, in the 4-6-8 of lifting beam II and the lifting beam
Sliding beam II 4-6-1 is fixed with III 4-6-9 overhanging end, the 4-6-1 of sliding beam II is located at outside the side of B high buildings,
The 4-6-1 of sliding beam II is parallel with the side elevation of B high buildings, the 4-6-8's of the lifting beam II and 4-6-9 of the lifting beam III
Diagonal brace 4-6-10 is respectively arranged below with, the lower end of the diagonal brace 4-6-10 and B high buildings are affixed.
The 4-6-2 of bearing VI, the 4-6-3 of load push-pull VI and sliding are sequentially provided with from outside to inside on the 4-6-1 of sliding beam II
Pull bar VI 4-6-4, the 4-6-2 of bearing VI and the 4-6-1 of sliding beam II are slidably connected, and the 4-6-3's of load push-pull VI stretches
Contracting end is hinged with the 4-6-2 of bearing VI, and the inner and sliding 4-6-4 of pull bar VI of the 4-6-3 of load push-pull VI is hinged,
The sliding 4-6-4 of pull bar VI is provided with the axially disposed 4-6-6 of multiple clamps VI, solid on the 4-6-1 of sliding beam II
Surely there is a 4-6-5 of postive stop baffle VI, the 4-6-6 tension and compression of clamp VI are on the inner face of the 4-6-5 of postive stop baffle VI；
The 4-6-7 of lifter VI is fixed with the 4-6-2 of bearing VI.
4.2) start the 4-3-7 of lifter III, the 4-4-7 of the lifter IV, the 4-5-7 of the lifter V and described carry
The 4-6-7 of device VI is risen, the 3rd construction cell 1-3 Integral synchronous is promoted to mounting design height.
4.3) start the 4-3-3 of load push-pull III, the 4-4-3 of the load push-pull IV, the 4-5-3 of the load push-pull V and described push away
The 4-6-3 of device VI is drawn, in the air by the 3rd construction cell 1-3 integral levels progressively sliding in place to the right, hangs the vestibule
The right-hand member of empty part is supported on slip support abutment, and the slip support abutment is fixed on bracket, and the bracket is arranged on B high buildings 3
On structural column；Then the left end of the vestibule overhanging portion and the gallery structure inside points and the vestibule part of encorbelmenting are connected
It is connected together, refers to Fig. 1.
In the present embodiment, the step 4.1), the operations for forming of the 3rd construction cell 1-3 are the roofings in annex
Plate higher slice block is progressively carried out, and is concretely comprised the following steps：
4.1.1) complete the steel superstructure shaping of the vestibule overhanging portion, then using the 4-3-7 of lifter III,
The 4-4-7 of lifter IV, the 4-5-7 of the lifter V and the 4-6-7 of the lifter VI are hanging by the vestibule after shaping
Partial steel superstructure is promoted to the first setting height；
4.1.2 layer steel structure forming is hung in) complete the vestibule overhanging portion first time, then by described the after shaping
Layer steel structure connection is once hung in the lower section of the steel superstructure of the vestibule overhanging portion, start the 4-3-7 of lifter III,
The 4-4-7 of lifter IV, the 4-5-7 of the lifter V and the 4-6-7 of the lifter VI, by the upper of the vestibule overhanging portion
Portion's lift up of steel structure is to the second setting height；
4.1.3) repeat step 4.1.2), until completing all lower companies for hanging layer steel construction of the vestibule overhanging portion
Connect.
Above-mentioned hierarchical block be progressively molded progressively hang down the method lifted can solve the problem that podium floorboard bearing capacity deficiency
Problem.
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 in lifting and deform caused by weight stress, form it into it is stable overall to be lifted, using prior art, herein
Repeat no more.The structure division being connected with sliding and lifting device needs to carry out interim reinforcement to meet lifting weight demand, use
Prior art, it will not be repeated here.
Although the preferred embodiments of the present invention are described above in conjunction with accompanying drawing, the invention is not limited in upper
The embodiment stated, above-mentioned embodiment is only schematical, be not it is restricted, this area it is common
Technical staff is under the enlightenment of the present invention, in the case where not departing from present inventive concept and scope of the claimed protection, also
Many forms can be made, these are belonged within protection scope of the present invention.
Claims (2)
- The structural steel corridor construction engineering method 1. a kind of Long-span Cantilever abnormity transfinites, the steel vestibule connection A high buildings and B high buildings are main To be made up of steel superstructure that truss is formed by connecting and lower extension layer steel construction, the steel vestibule integral planar is rectangular, including Left and right two parts, left-hand component are connected with A high buildings, by the gallery structure inside points on A high building floorboards and are connected thereto Vestibule encorbelment part composition, right-hand component is the vestibule overhanging portion that A high buildings and B high buildings link together, the vestibule Overhanging portion and the vestibule are encorbelmented part L-shaped arrangement in the same plane；The construction uses following steps：1) construction cell division is carried out to the steel vestibuleDivide the encorbelment middle stick of the steel superstructure of part of the gallery structure inside points and the vestibule into first construction Unit, divide the encorbelment remainder of part of the vestibule into second construction cell, divide the vestibule overhanging portion the into threeth Construction cell；Characterized in that,2) construction of first construction cell is completed on A high building floorboards using high-altitude scattered spelling and cantilever Method for Installation；3) construction of second construction cell is completed, is concretely comprised the following steps：3.1) operations for forming of the second construction cell is completed on the roof boarding of annex；At the top of the gallery structure inside points Outside sets multiple sliding and lifting devices I being arranged symmetrically；Encorbelmented in the vestibule the middle stick of the steel superstructure of part Top outer end both sides sliding and lifting device II is set；Overhanging sliding and lifting beam I, the sliding and lifting beam I and the gallery structure are provided with the sliding and lifting device I The alien invasion of inside points is vertical, is sequentially provided with bearing I, load push-pull I and sliding pull bar from outside to inside on the sliding and lifting beam I I, the bearing I is slidably connected with the sliding and lifting beam I, and the telescopic end of the load push-pull I is be hinged with the bearing I, described The inner and sliding pull bar I of load push-pull I is hinged, and axially disposed multiple clamps I are provided with the sliding pull bar I, Postive stop baffle I is fixed with the sliding and lifting beam I, the tension and compression of clamp I are on the inner face of the postive stop baffle I； Lifter I is fixed with the bearing I；Two overhanging lifting beams I are provided with the sliding and lifting device II, are fixedly mounted with the overhanging end of the lifting beam I Have a sliding beam I, the sliding beam I be located at the vestibule encorbelment part steel superstructure middle stick side outside, institute It is vertical with the alien invasion of the gallery structure inside points to state sliding beam I, bearing is sequentially provided with from outside to inside in the sliding beam I IIth, load push-pull II and sliding pull bar II, the bearing II are slidably connected with the sliding beam I, the telescopic end of the load push-pull II Be hinged with the bearing II, the inner and sliding pull bar II of the load push-pull II is hinged, and is set on the sliding pull bar II There are axially disposed multiple clamps II, postive stop baffle II is fixed with the sliding beam I, the tension and compression of clamp II are described On the inner face of postive stop baffle II；Lifter II is fixed with the bearing II；3.2) start the lifter I and the lifter II, the second construction cell Integral synchronous is promoted to installation and set Meter height；3.3) start the load push-pull I and the load push-pull II, in the air by the second construction cell integral level inwardly by Sliding in place is walked, then completes the connection of the second construction cell and the first construction cell；4) construction of the 3rd construction cell is completed, is concretely comprised the following steps：4.1) operations for forming of the 3rd construction cell is completed on the roof boarding of annex；In gallery structure inside points and described Vestibule is encorbelmented partly sets gradually sliding and lifting device III and sliding and lifting device IV from the inside to the outside close to the top at B high buildings end； Set in the roof of B high buildings close to the edge of A high buildings with the sliding and lifting device III and the sliding and lifting device IV one by one Corresponding sliding and lifting device V and sliding and lifting device VI；The sliding and lifting device III is fixed on the structural column of A high buildings, is provided with the sliding and lifting device III overhanging Sliding and lifting beam III, the sliding and lifting beam III is vertical with the side elevation of the gallery structure inside points, in the sliding and lifting Bearing III, load push-pull III and sliding push rod III, the bearing III and the sliding and lifting beam are sequentially provided with beam III from outside to inside III is slidably connected, and the telescopic end of the load push-pull III is be hinged with the bearing III, the inner and sliding of the load push-pull III Push rod III is be hinged, axially disposed multiple clamps III is provided with the sliding push rod III, on the sliding and lifting beam III Postive stop baffle III is fixed with, the top pressure of clamp III is on the outer face of the postive stop baffle III；It is fixedly mounted with the bearing III There is lifter III；Overhanging sliding and lifting beam IV, the sliding and lifting beam IV and the vestibule knot are provided with the sliding and lifting device IV The side elevation of structure inside points is vertical, is sequentially provided with bearing IV, load push-pull IV from outside to inside on the sliding and lifting beam IV and slides Push rod IV is moved, the bearing IV is slidably connected with the sliding and lifting beam IV, telescopic end and the bearing of the load push-pull IV IV is be hinged, and the inner and sliding push rod IV of the load push-pull IV is hinged, and cloth vertically is provided with the sliding push rod IV The multiple clamps IV put, postive stop baffle IV is fixed with the sliding and lifting beam IV, the top pressure of clamp IV is described spacing On the outer face of baffle plate IV；Lifter IV is fixed with the bearing IV；The sliding and lifting device V is located at roof edge intermediate region, and overhanging carry is provided with the sliding and lifting device V Sliding beam V is risen, the sliding and lifting beam V is vertical with the side elevation of the gallery structure inside points, in the sliding and lifting beam Bearing V, load push-pull V and sliding pull bar V, the bearing V and the sliding and lifting beam V are sequentially provided with V from outside to inside It is slidably connected, the telescopic end of the load push-pull V is be hinged with the bearing V, and the inner and sliding of the load push-pull V is drawn Bar V is be hinged, and axially disposed multiple clamps V are provided with the sliding pull bar V, solid on the sliding and lifting beam V Determine limited location baffle plate V, the tension and compression of clamp V are on the inner face of the postive stop baffle V；It is fixed with the bearing V Lifter V；The sliding and lifting device VI is located at roof corner region, and the sliding and lifting device VI includes affixed with Roofing slab Lifting beam II and lifting beam III, the lifting beam II are stretched out along the direction vertical with B high building side elevations, and the lifting beam III is inclined to The side elevation of B high buildings is stretched out, and sliding beam II is fixed with the overhanging end of the lifting beam II and the lifting beam III, described Sliding beam II is located at outside the side of B high buildings, and the sliding beam II is parallel with the side elevation of B high buildings, in the He of lifting beam II The lifting beam III is respectively arranged below with diagonal brace, and the lower end of the diagonal brace and B high buildings are affixed；Be sequentially provided with from outside to inside in the sliding beam II bearing VI, load push-pull VI and sliding pull bar VI, the bearing VI with The sliding beam II is slidably connected, and the telescopic end of the load push-pull VI is be hinged with the bearing VI, the inner of the load push-pull VI It is be hinged with the sliding pull bar VI, axially disposed multiple clamps VI are provided with the sliding pull bar VI, in the sliding A postive stop baffle VI is fixed with beam II, the tension and compression of clamp VI are on the inner face of the postive stop baffle VI；In the branch Lifter VI is fixed with seat VI；4.2) start lifter III, the lifter IV, the lifter V and the lifter VI, the described 3rd is applied Work order member Integral synchronous is promoted to mounting design height；4.3) load push-pull III, the load push-pull IV, the load push-pull V and the load push-pull VI are started, in the air by described in 3rd construction cell integral level progressively sliding in place to the right, makes the right-hand member of the vestibule overhanging portion be supported on slip support abutment On, the slip support abutment is fixed on bracket, and the bracket is arranged on the structural column of B high buildings；Then it is the vestibule is hanging Partial left end is encorbelmented with the gallery structure inside points and the vestibule partly to link together.
- The structural steel corridor construction engineering method 2. Long-span Cantilever abnormity according to claim 1 transfinites, it is characterised in that described Step 4.1), the operations for forming of the 3rd construction cell are progressively carried out in the roof boarding higher slice block of annex, specific step Suddenly it is：4.1.1 the steel superstructure shaping of the vestibule overhanging portion) is completed, then using the lifter III, the lifting Device IV, the lifter V and the lifter VI, the steel superstructure of the vestibule overhanging portion after shaping is promoted to First setting height；4.1.2 first time extension layer steel structure forming of the vestibule overhanging portion) is completed, then by under described first after shaping Layer steel structure connection is hung in the lower section of the steel superstructure of the vestibule overhanging portion, starts the lifter III, the lifting Device IV, the lifter V and the lifter VI, the steel superstructure of the vestibule overhanging portion is promoted to the second setting Highly；4.1.3) repeat step 4.1.2), until completing all lower connections for hanging layer steel construction of the vestibule overhanging portion.
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| CN111550060A (en) * | 2020-05-14 | 2020-08-18 | 广东粤能工程管理有限公司 | Construction method of overhanging steel pipe column |
| CN113898065A (en) * | 2021-10-15 | 2022-01-07 | 中建八局第一建设有限公司 | High-altitude large-span steel structure corridor and lifting construction method thereof |
| CN114703974B (en) * | 2022-06-07 | 2022-08-26 | 中铁建工集团有限公司 | Control method for lateral deformation of main building caused by super high-rise top giant steel connection lifting |
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Address after: 710075 room 11001, 10th floor, building 3, Fengxi new town headquarters economic Park project, Xixian New District, Xi'an, Shaanxi Province Patentee after: China Construction Sixth Engineering Bureau Northwest Construction Co.,Ltd. Patentee after: CHINA CONSTRUCTION SIXTH ENGINEERING DIVISION Corp.,Ltd. Address before: No. 72 Hangzhou Road, Tianjin Binhai New Area, 300451 Patentee before: CHINA CONSTRUCTION SIXTH ENGINEERING BUREAU INSTALLATION ENGINEERING Co.,Ltd. Patentee before: CHINA CONSTRUCTION SIXTH ENGINEERING DIVISION Corp.,Ltd. |
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Address after: 710075 room 11001, 10th floor, building 3, Fengxi new town headquarters economic Park project, Xixian New District, Xi'an, Shaanxi Province Patentee after: The First Construction Co.,Ltd. of China Construction Sixth Engineering Bureau Patentee after: CHINA CONSTRUCTION SIXTH ENGINEERING DIVISION Corp.,Ltd. Address before: 710075 room 11001, 10th floor, building 3, Fengxi new town headquarters economic Park project, Xixian New District, Xi'an, Shaanxi Province Patentee before: China Construction Sixth Engineering Bureau Northwest Construction Co.,Ltd. Patentee before: CHINA CONSTRUCTION SIXTH ENGINEERING DIVISION Corp.,Ltd. |