CN106013419A - Construction method for long-span overhung specially-shaped limit exceeding structure steel corridor - Google Patents
Construction method for long-span overhung specially-shaped limit exceeding structure steel corridor Download PDFInfo
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- CN106013419A CN106013419A CN201610412711.9A CN201610412711A CN106013419A CN 106013419 A CN106013419 A CN 106013419A CN 201610412711 A CN201610412711 A CN 201610412711A CN 106013419 A CN106013419 A CN 106013419A
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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
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Abstract
The invention discloses a construction method for a long-span overhung specially-shaped limit exceeding structure steel corridor. The method includes the following steps that firstly, the steel corridor is divided into construction units, wherein the inner part of a corridor structure and middle strip blocks of an upper steel structure of a corridor overhung part are classified as the first construction unit, the remaining part of the corridor overhung part is classified as the second construction unit, and a corridor suspension part is classified as the third construction unit; secondly, a high-altitude bulk assembly method and a cantilever installation method are adopted for finishing construction of the first construction unit on a floor panel of a tower A; thirdly, construction of the second construction unit is finished through integral lifting; and fourthly, construction of the third construction unit is finished through sliding after integral lifting. The high-altitude bulk assembly technology, the integral lifting technology, the sliding after integral lifting technology and the like are applied, work hours are reduced, the material cost and equipment cost are saved, and the requirements for integral control over multiple aspects of the construction process, the quality, the safety, the schedule, the cost and the like are met.
Description
Technical field
The present invention relates to the construction method of a kind of steel vestibule, particularly relating to a kind of Long-span Cantilever abnormity transfinites structural steel even
Corridor construction.
Background technology
Along with socioeconomic development, people are also being continuously increased for demand and the needs of building and are improving, and disjunctor is complicated
Skyscraper emerges in multitude.Conjoined structure refers generally to be connected with each other by built on stilts connector between Building two or several buildings skyscraper,
Meet architectural image and use the requirement of function.Arranging on the one hand for the requirement of building function, Ke Yifang of conjoined structure
Just the contact between two high buildings.Current conjoined structure has good daylighting effect and wide visual field, owing to disjunctor is tied
The setting of structure, makes in architectural appearance more characteristic.Large span high-altitude disjunctor Construction of Steel Structure method specifically includes that height at present
Empty method in bulk, point bar (piecemeal) lift-on/lift-off system, Integral Lifting, whole hanging method, cantilever Method for Installation, aerial sliding methed,
Against making Method for Installation etc..
Steel superstructure that the Steel corridor of certain synthesis project is mainly formed by connecting by truss and lower extension layer steel construction group
Become.Vestibule integral planar is rectangular, and including left and right two parts, left-hand component is connected with A high building, by being positioned on floorboard
Inside configuration divide and connected encorbelment part composition, A high building and B high building are linked together by right-hand component
Overhanging portion, overhanging portion divides with inside configuration and part of encorbelmenting is docked simultaneously, and the overhanging portion of vestibule and part of encorbelmenting exist
In same plane L-shaped.Above-mentioned Steel corridor belongs to tall abnormity to transfinite structure, and the maximum span of steel truss is 30m,
Highly 4.4m.Integral hoisting is highly 68.63 meters, and the cantilever span of part of wherein encorbelmenting is 11.050m, and weight is 165
Ton, promotes without reliable fulcrum.Steel superstructure and the lower extension all construction weights of layer steel construction reach 425 tons.Above-mentioned component
The scope of operation is all carried out on the floorboard of podium, but the floorboard of above-mentioned podium does not have the ability of carrying 425 tons.Combine
Upper described, use existing large span high-altitude disjunctor Construction of Steel Structure method can not complete the construction of above-mentioned Steel corridor.
Summary of the invention
The present invention solves that technical problem present in known technology provides a kind of Long-span Cantilever abnormity to transfinite structural steel even
Corridor construction, this engineering method can complete to transfinite height, Long-span Cantilever, lack the scope of operation, utilize annex flooring operation,
Floow load power is not enough, use entirety to promote the steel corridor construction without reliable hoist point.
The present invention solves that technical problem is adopted the technical scheme that present in known technology: a kind of Long-span Cantilever is different
Shape transfinites structural steel corridor construction engineering method, and described steel vestibule connects A high building and B high building, is mainly formed by connecting by truss
Steel superstructure and lower extension layer steel construction composition, described steel vestibule integral planar is rectangular, including left and right two parts, the left side
Part is connected with A high building, the gallery structure being positioned on A high building floorboard portion of partly encorbelmenting with connected vestibule
Being grouped into, right-hand component is vestibule overhanging portion A high building and B high building linked together, described vestibule overhanging portion
With described vestibule encorbelment part the most L-shaped layout；This construction employing following steps:
1) described steel vestibule is carried out construction cell division
The middle stick of the steel superstructure of part of part and described vestibule in described gallery structure being encorbelmented divides the first construction into
Unit, the remainder of part of being encorbelmented by described vestibule divides the second construction cell into, described vestibule overhanging portion divides into the
Three construction cells；
2) use high-altitude to dissipate spelling and cantilever Method for Installation on A high building floorboard, complete the construction of described first construction cell；
3) complete the construction of described second construction cell, concretely comprise the following steps:
3.1) on the roof boarding of annex, complete the operations for forming of the second construction cell；The top of part in described gallery structure
Multiple sliding and lifting device I being arranged symmetrically with is set outside portion；The centre of steel superstructure of part of encorbelmenting at described vestibule
The both sides, outer end, top of stick arrange sliding and lifting device II；
Described sliding and lifting device I is provided with overhanging sliding and lifting beam I, described sliding and lifting beam I and described vestibule
The alien invasion that inside configuration is divided is vertical, is sequentially provided with bearing I, load push-pull I on described sliding and lifting beam I from outside to inside
With sliding pull bar I, described bearing I is slidably connected with described sliding and lifting beam I, the telescopic end of described load push-pull I and institute
Stating bearing I hinged, the inner and described sliding pull bar I of described load push-pull I is hinged, is provided with on described sliding pull bar I
Axially disposed multiple clamps I, are fixed with postive stop baffle I, the tension and compression of described clamp I on described sliding and lifting beam I
On the inner face of described postive stop baffle I；Described bearing I is fixed with lifter I；
Described sliding and lifting device II is provided with two overhanging lifting beams I, on the overhanging end of described lifting beam I
Being fixed with sliding beam I, described sliding beam I is positioned at described vestibule and encorbelments the side of middle stick of steel superstructure of part
Outside, described sliding beam I vertical, with the alien invasion of part in described gallery structure on described sliding beam I from outside to inside
Being sequentially provided with bearing II, load push-pull II and sliding pull bar II, described bearing II is slidably connected with described sliding beam I, described
The telescopic end of load push-pull II is hinged with described bearing II, and the inner and described sliding pull bar II of described load push-pull II is hinged,
Described sliding pull bar II is provided with axially disposed multiple clamps II, is fixed with postive stop baffle II on described sliding beam I,
The tension and compression of described clamp II are on the inner face of described postive stop baffle II；Described bearing II is fixed with lifter II；
3.2) start described lifter I and described lifter II, be promoted to described second construction cell Integral synchronous install
Design height；
3.3) described load push-pull I and described load push-pull II are started, aloft by inside for described second construction cell integral level
Progressively sliding is in place, then completes the second construction cell and the connection of the first construction cell；
4) complete the construction of described 3rd construction cell, concretely comprise the following steps:
4.1) on the roof boarding of annex, complete the operations for forming of the 3rd construction cell；Part and institute in described gallery structure
State vestibule part of encorbelmenting and set gradually sliding and lifting device III and sliding and lifting device from the inside to the outside near the top of B high building end
Ⅳ；Roof at B high building is arranged and described sliding and lifting device III and described sliding and lifting device near the edge of A high building
IV sliding and lifting device V and sliding and lifting device VI one to one；
Described sliding and lifting device III is fixed on the structural column of A high building, is provided with overhanging on described sliding and lifting device III
Sliding and lifting beam III, in described sliding and lifting beam III and described gallery structure, the side elevation of part is vertical, in described lifting
Bearing III, load push-pull III and sliding push rod III, described bearing III and described lifting it is sequentially provided with from outside to inside on sliding beam III
Sliding beam III is slidably connected, and the telescopic end of described load push-pull III is hinged with described bearing III, the inner of described load push-pull III with
Described sliding push rod III is hinged, is provided with axially disposed multiple clamps III, in described lifting on described sliding push rod III
Being fixed with postive stop baffle III on sliding beam III, described clamp III top is pressed on the outer face of described postive stop baffle III；Described
Lifter III it is fixed with on bearing III；
Described sliding and lifting device IV is provided with overhanging sliding and lifting beam IV, described sliding and lifting beam IV and described vestibule
The side elevation that inside configuration is divided is vertical, is sequentially provided with bearing IV, load push-pull IV on described sliding and lifting beam IV from outside to inside
With sliding push rod IV, described bearing IV is slidably connected with described sliding and lifting beam IV, the telescopic end of described load push-pull IV and institute
Stating bearing IV hinged, the inner and described sliding push rod IV of described load push-pull IV is hinged, is provided with on described sliding push rod IV
Axially disposed multiple clamps IV, are fixed with postive stop baffle IV, described clamp IV top pressure on described sliding and lifting beam IV
On the outer face of described postive stop baffle IV；Described bearing IV is fixed with lifter IV；
Described sliding and lifting device V is positioned at roof edge zone line, is provided with overhanging on described sliding and lifting device V
Sliding and lifting beam V, described sliding and lifting beam V is vertical with the side elevation of part in described gallery structure, slides described lifting
Moving and be sequentially provided with bearing V, load push-pull V and sliding pull bar V on beam V from outside to inside, described bearing V is slided with described lifting
Moving beam V to be slidably connected, the telescopic end of described load push-pull V is hinged with described bearing V, the inner of described load push-pull V and institute
State sliding pull bar V hinged, described sliding pull bar V is provided with axially disposed multiple clamps V, slide described lifting
Moving and be fixed with postive stop baffle V on beam V, the tension and compression of described clamp V are on the inner face of described postive stop baffle V；At described
It is fixed with lifter V on seat V；
Described sliding and lifting device VI is positioned at roof corner region, and described sliding and lifting device VI includes affixed with Roofing slab
Lifting beam II and lifting beam III, described lifting beam II stretches out along the direction vertical with B high building side elevation, described lifting beam
III deflection B high building side elevation stretches out, and is fixed with sliding beam on the overhanging end of described lifting beam II and described lifting beam III
II, described sliding beam II is positioned at outside the side of B high building, and described sliding beam II is parallel with the side elevation of B high building, in institute
That states lifting beam II and described lifting beam III is respectively arranged below with diagonal brace, and the lower end of described diagonal brace is affixed with B high building；
Described sliding beam II is sequentially provided with bearing VI, load push-pull VI and sliding pull bar VI, described bearing VI from outside to inside
Being slidably connected with described sliding beam II, the telescopic end of described load push-pull VI is hinged with described bearing VI, described load push-pull VI
Inner and described sliding pull bar VI is hinged, is provided with axially disposed multiple clamps VI, in institute on described sliding pull bar VI
Stating and be fixed with a postive stop baffle VI on sliding beam II, the tension and compression of described clamp VI are on the inner face of described postive stop baffle VI；
Described bearing VI is fixed with lifter VI；
4.2) described lifter III, described lifter IV, described lifter V and described lifter VI are started, by described
Three construction cell Integral synchronous are promoted to mounting design height；
4.3) start described load push-pull III, described load push-pull IV, described load push-pull V and described load push-pull VI, aloft will
Described 3rd construction cell integral level the most progressively sliding is in place, makes the right-hand member of described vestibule overhanging portion be bearing in sliding
On bearing, described slip support abutment is fixed on bracket, and described bracket is arranged on the structural column of B high building；Then by described
In the left end of vestibule overhanging portion and described gallery structure, part and described vestibule are encorbelmented and are partly linked together.
Described step 4.1), the operations for forming of described 3rd construction cell is progressively to carry out at the roof boarding higher slice block of annex
, concretely comprise the following steps:
4.1.1) complete the steel superstructure molding of described vestibule overhanging portion, then use described lifter III, described in carry
Rise device IV, described lifter V and described lifter VI, the steel superstructure of the described vestibule overhanging portion after molding is carried
Rise to the first setting height；
4.1.2) first time extension layer steel structure forming of described vestibule overhanging portion is completed, then by described first after molding
Lower extension layer steel structure connection, in the lower section of the steel superstructure of described vestibule overhanging portion, starts described lifter III, described
Lifter IV, described lifter V and described lifter VI, be promoted to by the steel superstructure of described vestibule overhanging portion
Two setting heights；
4.1.3) step 4.1.2 is repeated), until completing the connection of all lower extension layer steel construction of described vestibule overhanging portion.
The present invention has the advantage that with good effect:
One) use subdivision construction, solve the height that transfinites (68m), Long-span Cantilever (a length of 11.05m) steel even
Corridor lacks the scope of operation, utilizes annex flooring operation, and floow load power is not enough, uses entirety to promote executing without reliable hoist point
A work difficult problem.Avoid and all use bulk-breaking high altitude bulk, decrease the workload of assembly and overhead welding, it is not necessary to be big
The lifting machine equipment of type, utilizes on-the-spot existing equipment just can meet lifting requirements, and solves high-altitude spelling moulding bed
The problem that (scaffolding height 68.63 meters) cannot be set up, reduces safety, quality risk, has saved construction cost, fall
Low difficulty of construction；Amount of high-altitude operation is down to minimum, beneficially the field erected safety of steel construction, quality and duration
Control.Meanwhile, the present invention is according to building structure feature, to analysis rational in infrastructure and arrange division construction cell, for
Construction cell entirety promotes and sets up reliable hoist point.
Two) the first construction cell uses high-altitude to dissipate spelling and cantilever Method for Installation, with flooring and roof boarding as the scope of operation, and nothing
Moulding bed need to be set up, saved cost, reduce difficulty of construction, and encorbelment vestibule according to construction features construction part, set up
The reliable hoist point of the second construction cell, decreases the input of job site temporary facility and equipment.
Three) the method construction of sliding after the second construction cell and the 3rd construction cell use entirety to promote+promote, by fully
Considering the stress system feature of elevated structure, do not changing structure stress system, make structure in lifting hoisting process should
On the premise of force rate and deformation all control in specification allowed band, reasonable Arrangement multiple sliding and lifting point, success
Achieve multi-point overhead horizontal direction distance sliding after overall lifting (the second construction cell skidding distance 1000mm,
3rd construction cell skidding distance 1700mm).The advantage of said method is:
1) reasonably utilize permanent structure, use multiple lifting erection method, with strong points, and combine installation at high altitude, whole
Body lifting method in place, the feature of synchronous hydraulic lifting so that the maximum advantage of three kinds of methods.Save man-hour, material
Take, installation cost, and meet many overall requirements controlled such as construction technology, quality, safety, progress and cost.
2) using ultra-large type hydraulic synchronizing lifting construction technology, lifting process is fool proof, and component can promote
Optional position locking in journey, arbitrary lifter also can individually adjust, and Adjustment precision is high, is effectively improved structure and promotes
During the controllability of installation accuracy.Using flexible rigging load-bearing, have rational load-bearing suspension centre, hoisting depth is unrestricted.
The lifting attitude of component held stationary in lifting process, synchronous control accuracy height automation degree of equipment is high, easy to operate spirit
Living, safety is good, and reliability is high, uses wide, highly versatile.
3) air translation is without moulding bed, and the safety of hoisting process is guaranteed.Lifting means volume is little, from heavy and light, carrying
Ability is big, is particularly suitable for the lifting operation of large-scale component.
4) promoting the main temporary structure such as suspension centre utilizes agent structure to arrange, in addition minimum excellent of hydraulic synchronizing lifting dynamic load
Point, and promote platform, sliding and lifting platform and the recycling promoting special hanger of different tonnage, lifting can be made
Temporary facility consumption is down to minimum, beneficially construction cost control.
Four) big for the 3rd construction cell weight, the hypodynamic problem of podium floorboard load, use the construction of reversal of the natural order of things method,
It is further added by the mode of lower extension layer after rising to lower extension high position layer by layer by several times, i.e. solves podium floorboard Lack of support
Problem, adds again hoisting weight.The main assembly of steel construction, weld and paint etc. is operated on the assembled moulding bed of flooring
Carrying out, available tower crane carries out loose mail lifting, and efficiency of construction is high, and construction quality is prone to ensure.3rd construction cell entirety carries
Distance sliding (slip length 1700mm) is achieved by lengthening sliding pull bar after Shenging.3rd construction cell and right side B tower
Slip support abutment welding on building upright column bracket, solves steel construction stress deformation problem.
In sum, the present invention comprehensively have employed high altitude bulk, cantilevered structure installation+overall sliding and lifting+entirety carries by several times
Rise reversal of the natural order of things method and increase the weight of the multinomial technology such as rear sliding, combined by the extension of lifting means, make lifting weight, span and area
All improve a lot.Being lifted by the piecemeal of steel construction, amount of high-altitude operation be down to minimum, hydraulic pressure lift operation is exhausted in addition
Shorter to the time, it is possible to the overall duration of Steel Structure Installation is effectively ensured.Break current Long-span Cantilever abnormity to transfinite knot
The restriction of structure steel corridor construction.
Accompanying drawing explanation
Fig. 1 is the structural representation that the present invention applies；
Fig. 2 is step 1 of the present invention) schematic diagram；
Fig. 3 is step 2 of the present invention) schematic diagram；
Fig. 4 is step 3.1 of the present invention) schematic diagram；
Fig. 5 is the structural representation of the sliding and lifting device I that the present invention applies；
The front view of the sliding and lifting device II that Fig. 6-1 applies for the present invention；
The sliding beam (comprising sliding beam) of the sliding and lifting device II that Fig. 6-2 applies for the present invention is with the top view of lower part；
The bearing of sliding and lifting device II, load push-pull and the sliding pull bar connection diagram that Fig. 6-3 applies for the present invention；
Fig. 7-1 step 3.2 of the present invention) schematic diagram；
Fig. 7-2 is the right view of Fig. 7-1；
Fig. 8 is step 3.3 of the present invention) schematic diagram；
Fig. 9 is step 4.1 of the present invention) schematic diagram；
Figure 10 is the structural representation of the sliding and lifting device III that the present invention applies；
Figure 11 is the structural representation of the sliding and lifting device IV that the present invention applies；
Figure 12 is the structural representation of the sliding and lifting device V that the present invention applies；
The structural representation of the sliding and lifting device VI that Figure 13-1 applies for the present invention；
Figure 13-2 is the side view of Figure 13-1；
The sliding beam (comprising sliding beam) of the sliding and lifting device VI that Figure 13-3 applies for the present invention is with the top view of lower part；
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.
Detailed description of the invention
For the summary of the invention of the present invention, feature and effect can be further appreciated that, hereby enumerate following example, and coordinate accompanying drawing
Describe in detail as follows:
Referring to accompanying drawing, a kind of Long-span Cantilever abnormity transfinites structural steel corridor construction engineering method, and described steel vestibule 1 connects A
High building 2 and B high building 3, the steel superstructure being mainly formed by connecting by truss and lower extension layer steel construction form, and described steel is even
Corridor 1 integral planar is rectangular, and including left and right two parts, left-hand component is connected with A high building 2, by being positioned at A high building 2nd floors
Part of partly encorbelmenting with connected vestibule in gallery structure on panel forms, and right-hand component is by A high building 2 and B
The vestibule overhanging portion that high building 3 links together, described vestibule overhanging portion and described vestibule encorbelment part at same plane
Interior L-shaped layout.
The construction employing following steps of above-mentioned steel vestibule 1:
1) described steel vestibule 1 is carried out construction cell division
The middle stick of the steel superstructure of part of part and described vestibule in described gallery structure being encorbelmented divides the first construction into
Unit 1-1, the remainder of part of being encorbelmented by described vestibule divides the second construction cell 1-2 into, by described vestibule overhanging portion
Divide the 3rd construction cell 1-3 into.
2) use high-altitude to dissipate spelling and cantilever Method for Installation on A high building 2 floorboard, complete described first construction cell 1-1
Construction.
3) complete the construction of described second construction cell 1-2, concretely comprise the following steps:
3.1) on the roof boarding of annex 6, complete the operations for forming of the second construction cell 1-2；Inside described gallery structure
The top outer divided arranges multiple sliding and lifting device I 4-1 being arranged symmetrically with；The upper steel knot of part of encorbelmenting at described vestibule
The both sides, outer end, top of the middle stick of structure arrange sliding and lifting device II 4-2.Sliding and lifting device I 4-1 at least 1 group,
1 group two, two sliding and lifting device I 4-1 set up the middle stick of steel superstructure of the part of encorbelmenting at described vestibule separately
Both sides, have 4 in the present embodiment.Two are had in the encorbelment side of middle stick of steel superstructure of part of described vestibule
Individual sliding and lifting device I 4-1.
Described sliding and lifting device I 4-1 is provided with overhanging sliding and lifting beam I 4-1-1, described sliding and lifting beam I
4-1-1 vertical, with the alien invasion of part in described gallery structure on described sliding and lifting beam I 4-1-1 the most successively
Being provided with bearing I 4-1-2, load push-pull I 4-1-3 and sliding pull bar I 4-1-4, described bearing I 4-1-2 is slided with described lifting
Move beam I 4-1-1 be slidably connected, the telescopic end of described load push-pull I 4-1-3 is hinged with described bearing I 4-1-2, described in push away
Draw inner and described sliding pull bar I 4-1-4 of device I 4-1-3 hinged, described sliding pull bar I 4-1-4 is provided with along axle
To multiple clamps I 4-1-6 arranged, described sliding and lifting beam I 4-1-1 is fixed with postive stop baffle I 4-1-5, described
Clamp I 4-1-6 tension and compression are on the inner face of described postive stop baffle I 4-1-5；Described bearing I 4-1-2 is fixed with and carries
Rise device I 4-1-7.
Described sliding and lifting device II 4-2 is provided with two overhanging lifting beam I 4-2-1, at described lifting beam I 4-2-1
Overhanging end on be fixed with sliding beam I 4-2-2, described sliding beam I 4-2-2 be positioned at described vestibule encorbelment part upper steel
Outside the side of the middle stick of structure, described sliding beam I 4-2-2 is vertical with the alien invasion of part in described gallery structure,
Described sliding beam I 4-2-2 is sequentially provided with bearing II 4-2-3, load push-pull II 4-2-4 and sliding pull bar II from outside to inside
4-2-5, described bearing II 4-2-3 are slidably connected with described sliding beam I 4-2-2, the telescopic end of described load push-pull II 4-2-4 with
Described bearing II 4-2-3 is hinged, and inner and described sliding pull bar II 4-2-5 of described load push-pull II 4-2-4 is hinged, described
Sliding pull bar II 4-2-5 is provided with axially disposed multiple clamps II 4-2-7, is fixed with on described sliding beam I 4-2-2
One postive stop baffle II 4-2-6, described clamp II 4-2-7 tension and compression are on the inner face of described postive stop baffle II 4-2-6；Institute
State and on bearing II 4-2-3, be fixed with lifter II 4-2-8.In the present embodiment, above-mentioned lifting beam I 4-2-1 has 2, and
With the equal out of plumb of alien invasion of part in described gallery structure.
3.2) described lifter I 4-1-7 and described lifter II 4-2-8 is started, by overall for described second construction cell 1-2
Synchronous lifting is to mounting design height.
3.3) described load push-pull I 4-1-3 and described load push-pull II 4-2-4 is started, aloft by described second construction cell 1-2
Integral level the most progressively sliding is in place, then completes the second construction cell 1-2 and the connection of the first construction cell 1-1.
4) complete the construction of described 3rd construction cell, concretely comprise the following steps:
4.1) on the roof boarding of annex, complete the operations for forming of the 3rd construction cell 1-3；Part in described gallery structure
Sliding and lifting device III 4-3 and lifting is set gradually from the inside to the outside near the top of B high building end with described vestibule part of encorbelmenting
Slide device IV 4-4；Roof at B high building 3 is arranged and described sliding and lifting device III 4-3 near the edge of A high building 2
With described sliding and lifting device IV 4-4 sliding and lifting device V 4-5 one to one and sliding and lifting device VI 4-6.
Described sliding and lifting device III 4-3 is fixed on the structural column 5 of A high building 2, at described sliding and lifting device III 4-3
It is provided with overhanging sliding and lifting beam III 4-3-1, described sliding and lifting beam III 4-3-1 and the side of part in described gallery structure
Facade is vertical, is sequentially provided with bearing III 4-3-2, load push-pull III 4-3-3 on described sliding and lifting beam III 4-3-1 from outside to inside
It is slidably connected with described sliding and lifting beam III 4-3-1 with sliding push rod III 4-3-4, described bearing III 4-3-2, described push-and-pull
The telescopic end of device III 4-3-3 is hinged with described bearing III 4-3-2, and the inner and described sliding of described load push-pull III 4-3-3 pushes away
4-3-4 is hinged for bar III, is provided with axially disposed multiple clamps III 4-3-6, in institute on described sliding push rod III 4-3-4
Stating and be fixed with postive stop baffle III 4-3-5 on sliding and lifting beam III 4-3-1, described clamp III 4-3-6 top is pressed in described limiting block
On the outer face of plate III 4-3-5；Described bearing III 4-3-2 is fixed with lifter III 4-3-7.
Described sliding and lifting device IV 4-4 is provided with overhanging sliding and lifting beam IV 4-4-1, described sliding and lifting beam IV
4-4-1 vertical, with the side elevation of part in described gallery structure on described sliding and lifting beam IV 4-4-1 the most successively
Being provided with bearing IV 4-4-2, load push-pull IV 4-4-3 and sliding push rod IV 4-4-4, described bearing IV 4-4-2 is slided with described lifting
Move beam IV 4-4-1 be slidably connected, the telescopic end of described load push-pull IV 4-4-3 is hinged with described bearing IV 4-4-2, described in push away
Draw inner and described sliding push rod IV 4-4-4 of device IV 4-4-3 hinged, described sliding push rod IV 4-4-4 is provided with along axle
To multiple clamps IV 4-4-6 arranged, described sliding and lifting beam IV 4-4-1 is fixed with postive stop baffle IV 4-4-5, described
Clamp IV 4-4-6 top is pressed on the outer face of described postive stop baffle IV 4-4-5；Described bearing IV 4-4-2 is fixed with and carries
Rise device IV 4-4-7.
Described sliding and lifting device V 4-5 is positioned at roof edge zone line, is provided with on described sliding and lifting device V 4-5
Overhanging sliding and lifting beam V 4-5-1, described sliding and lifting beam V 4-5-1 hang down with the side elevation of part in described gallery structure
Directly, described sliding and lifting beam V 4-5-1 is sequentially provided with bearing V 4-5-2, load push-pull V 4-5-3 and cunning from outside to inside
Move pull bar V 4-5-4, described bearing V 4-5-2 to be slidably connected with described sliding and lifting beam V 4-5-1, described load push-pull V
The telescopic end of 4-5-3 is hinged with described bearing V 4-5-2, the inner and described sliding pull bar V of described load push-pull V 4-5-3
4-5-4 is hinged, is provided with axially disposed multiple clamps V 4-5-6, carries described on described sliding pull bar V 4-5-4
Rising and be fixed with postive stop baffle V 4-5-5 on sliding beam V 4-5-1, described clamp V 4-5-6 tension and compression are at described postive stop baffle V
On the inner face of 4-5-5；Described bearing V 4-5-2 is fixed with lifter V 4-5-7.
Described sliding and lifting device VI 4-6 is positioned at roof corner region, and described sliding and lifting device VI 4-6 includes and roof
Lifting beam II 4-6-8 and lifting beam III 4-6-9, described lifting beam II 4-6-8 edge that plate is affixed are vertical with B high building side elevation
Direction stretch out, described lifting beam III 4-6-9 deflection B high building side elevation stretches out, at described lifting beam II 4-6-8 and described
It is fixed with sliding beam II 4-6-1, described sliding beam II 4-6-1 on the overhanging end of lifting beam III 4-6-9 and is positioned at B high building
Outside side, the side elevation of described sliding beam II 4-6-1 with B high building is parallel, at described lifting beam II 4-6-8 with described carry
Rise beam III 4-6-9 is respectively arranged below with diagonal brace 4-6-10, and the lower end of described diagonal brace 4-6-10 is affixed with B high building.
Described sliding beam II 4-6-1 is sequentially provided with bearing VI 4-6-2, load push-pull VI 4-6-3 and sliding from outside to inside draw
Bar VI 4-6-4, described bearing VI 4-6-2 are slidably connected with described sliding beam II 4-6-1, and described load push-pull VI 4-6-3 stretches
Contracting end is hinged with described bearing VI 4-6-2, and inner and described sliding pull bar VI 4-6-4 of described load push-pull VI 4-6-3 is hinged,
Described sliding pull bar VI 4-6-4 is provided with axially disposed multiple clamps VI 4-6-6, at described sliding beam II 4-6-1
On be fixed with postive stop baffle VI 4-6-5, described clamp VI 4-6-6 tension and compression are in the inner of described postive stop baffle VI 4-6-5
On face；Described bearing VI 4-6-2 is fixed with lifter VI 4-6-7.
4.2) start described lifter III 4-3-7, described lifter IV 4-4-7, described lifter V 4-5-7 and described carry
Rise device VI 4-6-7, described 3rd construction cell 1-3 Integral synchronous is promoted to mounting design height.
4.3) start described load push-pull III 4-3-3, described load push-pull IV 4-4-3, described load push-pull V 4-5-3 and described push away
Draw device VI 4-6-3, aloft by place for described 3rd construction cell 1-3 integral level the most progressively sliding, make described vestibule
The right-hand member of overhanging portion is bearing on slip support abutment, and described slip support abutment is fixed on bracket, and described bracket is arranged on B tower
On the structural column in building 3；Then the left end of described vestibule overhanging portion is hanged with part in described gallery structure and described vestibule
Choose part to link together, refer to Fig. 1.
In the present embodiment, described step 4.1), the operations for forming of described 3rd construction cell 1-3 is the roofing at annex
Plate higher slice block is progressively carried out, and concretely comprises the following steps:
4.1.1) complete the steel superstructure molding of described vestibule overhanging portion, then use described lifter III 4-3-7,
Described vestibule after molding is hanged by described lifter IV 4-4-7, described lifter V 4-5-7 and described lifter VI 4-6-7
The steel superstructure of empty part is promoted to the first setting height；
4.1.2) first time of described vestibule overhanging portion extension layer steel structure forming is completed, then by described the after molding
Once extension layer steel structure connection is in the lower section of the steel superstructure of described vestibule overhanging portion, starts described lifter III
4-3-7, described lifter IV 4-4-7, described lifter V 4-5-7 and described lifter VI 4-6-7, hang described vestibule
The steel superstructure of empty part is promoted to the second setting height；
4.1.3) step 4.1.2 is repeated), until completing the connection of all lower extension layer steel construction of described vestibule overhanging portion.
The progressively molding of above-mentioned hierarchical block is progressively hung down the method mentioned and be can solve the problem that not enough the asking of podium floorboard bearing capacity
Topic.
In the lifting process of construction cell, lifting region rod member needs to carry out temperature pier with satisfied overall lifting demand,
Offsetting the deformation that in lifting, weight stress produces so that it is form stable entirety to promote, using prior art, at this
Repeat no more.The structure division needs being connected with sliding and lifting device are strengthened meeting lifting weight demand temporarily, adopt
By prior art, do not repeat them here.
Although the preferred embodiments of the present invention being described above in conjunction with accompanying drawing, but the invention is not limited in above-mentioned
Detailed description of the invention, above-mentioned detailed description of the invention is only schematically, is not restrictive, this area general
Logical technical staff is under the enlightenment of the present invention, in the case of without departing from present inventive concept and scope of the claimed protection,
Can be to make a lot of form, within these belong to protection scope of the present invention.
Claims (2)
1. Long-span Cantilever abnormity transfinites a structural steel corridor construction engineering method, and described steel vestibule connects A high building and B tower
Building, the steel superstructure being mainly formed by connecting by truss and lower extension layer steel construction form, and described steel vestibule integral planar is square
Shape, including left and right two parts, left-hand component is connected with A high building, inside the gallery structure being positioned on A high building floorboard
Point and connected vestibule encorbelment part composition, right-hand component is to be hanged by the vestibule that A high building and B high building link together
Empty part, described vestibule overhanging portion and described vestibule are encorbelmented the most L-shaped layout of part；
It is characterized in that, this construction employing following steps:
1) described steel vestibule is carried out construction cell division
The middle stick of the steel superstructure of part of part and described vestibule in described gallery structure being encorbelmented divides the first construction into
Unit, the remainder of part of being encorbelmented by described vestibule divides the second construction cell into, described vestibule overhanging portion divides into the
Three construction cells；
2) use high-altitude to dissipate spelling and cantilever Method for Installation on A high building floorboard, complete the construction of described first construction cell；
3) complete the construction of described second construction cell, concretely comprise the following steps:
3.1) on the roof boarding of annex, complete the operations for forming of the second construction cell；The top of part in described gallery structure
Multiple sliding and lifting device I being arranged symmetrically with is set outside portion；The centre of steel superstructure of part of encorbelmenting at described vestibule
The both sides, outer end, top of stick arrange sliding and lifting device II；
Described sliding and lifting device I is provided with overhanging sliding and lifting beam I, described sliding and lifting beam I and described vestibule
The alien invasion that inside configuration is divided is vertical, is sequentially provided with bearing I, load push-pull I on described sliding and lifting beam I from outside to inside
With sliding pull bar I, described bearing I is slidably connected with described sliding and lifting beam I, the telescopic end of described load push-pull I and institute
Stating bearing I hinged, the inner and described sliding pull bar I of described load push-pull I is hinged, is provided with on described sliding pull bar I
Axially disposed multiple clamps I, are fixed with postive stop baffle I, the tension and compression of described clamp I on described sliding and lifting beam I
On the inner face of described postive stop baffle I；Described bearing I is fixed with lifter I；
Described sliding and lifting device II is provided with two overhanging lifting beams I, on the overhanging end of described lifting beam I
Being fixed with sliding beam I, described sliding beam I is positioned at described vestibule and encorbelments the side of middle stick of steel superstructure of part
Outside, described sliding beam I vertical, with the alien invasion of part in described gallery structure on described sliding beam I from outside to inside
Being sequentially provided with bearing II, load push-pull II and sliding pull bar II, described bearing II is slidably connected with described sliding beam I, described
The telescopic end of load push-pull II is hinged with described bearing II, and the inner and described sliding pull bar II of described load push-pull II is hinged,
Described sliding pull bar II is provided with axially disposed multiple clamps II, is fixed with postive stop baffle II on described sliding beam I,
The tension and compression of described clamp II are on the inner face of described postive stop baffle II；Described bearing II is fixed with lifter II；
3.2) start described lifter I and described lifter II, be promoted to described second construction cell Integral synchronous install
Design height；
3.3) described load push-pull I and described load push-pull II are started, aloft by inside for described second construction cell integral level
Progressively sliding is in place, then completes the second construction cell and the connection of the first construction cell；
4) complete the construction of described 3rd construction cell, concretely comprise the following steps:
4.1) on the roof boarding of annex, complete the operations for forming of the 3rd construction cell；Part and institute in described gallery structure
State vestibule part of encorbelmenting and set gradually sliding and lifting device III and sliding and lifting device from the inside to the outside near the top of B high building end
Ⅳ；Roof at B high building is arranged and described sliding and lifting device III and described sliding and lifting device near the edge of A high building
IV sliding and lifting device V and sliding and lifting device VI one to one；
Described sliding and lifting device III is fixed on the structural column of A high building, is provided with overhanging on described sliding and lifting device III
Sliding and lifting beam III, in described sliding and lifting beam III and described gallery structure, the side elevation of part is vertical, in described lifting
Bearing III, load push-pull III and sliding push rod III, described bearing III and described lifting it is sequentially provided with from outside to inside on sliding beam III
Sliding beam III is slidably connected, and the telescopic end of described load push-pull III is hinged with described bearing III, the inner of described load push-pull III with
Described sliding push rod III is hinged, is provided with axially disposed multiple clamps III, in described lifting on described sliding push rod III
Being fixed with postive stop baffle III on sliding beam III, described clamp III top is pressed on the outer face of described postive stop baffle III；Described
Lifter III it is fixed with on bearing III；
Described sliding and lifting device IV is provided with overhanging sliding and lifting beam IV, described sliding and lifting beam IV and described vestibule
The side elevation that inside configuration is divided is vertical, is sequentially provided with bearing IV, load push-pull IV on described sliding and lifting beam IV from outside to inside
With sliding push rod IV, described bearing IV is slidably connected with described sliding and lifting beam IV, the telescopic end of described load push-pull IV and institute
Stating bearing IV hinged, the inner and described sliding push rod IV of described load push-pull IV is hinged, is provided with on described sliding push rod IV
Axially disposed multiple clamps IV, are fixed with postive stop baffle IV, described clamp IV top pressure on described sliding and lifting beam IV
On the outer face of described postive stop baffle IV；Described bearing IV is fixed with lifter IV；
Described sliding and lifting device V is positioned at roof edge zone line, is provided with overhanging on described sliding and lifting device V
Sliding and lifting beam V, described sliding and lifting beam V is vertical with the side elevation of part in described gallery structure, slides described lifting
Moving and be sequentially provided with bearing V, load push-pull V and sliding pull bar V on beam V from outside to inside, described bearing V is slided with described lifting
Moving beam V to be slidably connected, the telescopic end of described load push-pull V is hinged with described bearing V, the inner of described load push-pull V and institute
State sliding pull bar V hinged, described sliding pull bar V is provided with axially disposed multiple clamps V, slide described lifting
Moving and be fixed with postive stop baffle V on beam V, the tension and compression of described clamp V are on the inner face of described postive stop baffle V；At described
It is fixed with lifter V on seat V；
Described sliding and lifting device VI is positioned at roof corner region, and described sliding and lifting device VI includes affixed with Roofing slab
Lifting beam II and lifting beam III, described lifting beam II stretches out along the direction vertical with B high building side elevation, described lifting beam
The side elevation of III deflection B high building stretches out, and is fixed with sliding on the overhanging end of described lifting beam II and described lifting beam III
Beam II, described sliding beam II is positioned at outside the side of B high building, and described sliding beam II is parallel with the side elevation of B high building,
Described lifting beam II and described lifting beam III be respectively arranged below with diagonal brace, the lower end of described diagonal brace is affixed with B high building；
Described sliding beam II is sequentially provided with bearing VI, load push-pull VI and sliding pull bar VI, described bearing VI from outside to inside
Being slidably connected with described sliding beam II, the telescopic end of described load push-pull VI is hinged with described bearing VI, described load push-pull VI
Inner and described sliding pull bar VI is hinged, is provided with axially disposed multiple clamps VI, in institute on described sliding pull bar VI
Stating and be fixed with a postive stop baffle VI on sliding beam II, the tension and compression of described clamp VI are on the inner face of described postive stop baffle VI；
Described bearing VI is fixed with lifter VI；
4.2) described lifter III, described lifter IV, described lifter V and described lifter VI are started, by described
Three construction cell Integral synchronous are promoted to mounting design height；
4.3) start described load push-pull III, described load push-pull IV, described load push-pull V and described load push-pull VI, aloft will
Described 3rd construction cell integral level the most progressively sliding is in place, makes the right-hand member of described vestibule overhanging portion be bearing in sliding
On bearing, described slip support abutment is fixed on bracket, and described bracket is arranged on the structural column of B high building；Then by described
In the left end of vestibule overhanging portion and described gallery structure, part and described vestibule are encorbelmented and are partly linked together.
Long-span Cantilever abnormity the most according to claim 1 transfinites structural steel corridor construction engineering method, it is characterised in that
Described step 4.1), the operations for forming of described 3rd construction cell is progressively to carry out at the roof boarding higher slice block of annex,
Concretely comprise the following steps:
4.1.1) complete the steel superstructure molding of described vestibule overhanging portion, then use described lifter III, described in carry
Rise device IV, described lifter V and described lifter VI, the steel superstructure of the described vestibule overhanging portion after molding is carried
Rise to the first setting height；
4.1.2) first time extension layer steel structure forming of described vestibule overhanging portion is completed, then by described first after molding
Lower extension layer steel structure connection, in the lower section of the steel superstructure of described vestibule overhanging portion, starts described lifter III, described
Lifter IV, described lifter V and described lifter VI, be promoted to by the steel superstructure of described vestibule overhanging portion
Two setting heights；
4.1.3) step 4.1.2 is repeated), until completing the connection of all lower extension layer steel construction of described vestibule overhanging portion.
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| CN109941894A (en) * | 2019-03-15 | 2019-06-28 | 上海建工七建集团有限公司 | Steel vestibule integrally promotes peace and diverts from one use to another the double-deck suspension centre hoisting frame and its installation method |
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| CN115075379A (en) * | 2022-08-02 | 2022-09-20 | 机械工业第六设计研究院有限公司 | Method for connecting and installing air corridor and tower buildings on two sides |
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