CN106065661B - The hanging steel corridor construction engineering method of large span - Google Patents
The hanging steel corridor construction engineering method of large span Download PDFInfo
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- CN106065661B CN106065661B CN201610420915.7A CN201610420915A CN106065661B CN 106065661 B CN106065661 B CN 106065661B CN 201610420915 A CN201610420915 A CN 201610420915A CN 106065661 B CN106065661 B CN 106065661B
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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
- E04G21/14—Conveying or assembling building elements
- E04G21/16—Tools or apparatus
- E04G21/162—Handles to carry construction blocks
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Abstract
The invention discloses a kind of hanging steel corridor construction engineering method of large span, using following steps：1) multiple sliding and lifting devices are set；The shaping of steel superstructure is completed on annex；2) start the lifter of sliding and lifting device, steel superstructure is promoted to the first setting height；3) shaping of first time extension layer steel construction is completed on annex, layer steel structure connection is hung in the lower section of steel superstructure by first time, the lifter of startup sliding and lifting device, steel superstructure is promoted to the second setting height；4) repeat step 3), until completing all lower connections for hanging layer steel construction；5) start the lifter of all sliding and lifting devices, whole hanging steel vestibule Integral synchronous is promoted to mounting design height；6) load push-pull of sliding and lifting device is started, steel vestibule integral slipping is in place.The present invention can complete to transfinite, and high, large span is hanging, lifts the steel corridor construction without reliable hoist point using the operation of annex flooring and load force deficiency, using overall.
Description
Technical field
The present invention relates to a kind of construction method of steel vestibule, more particularly to a kind of hanging steel corridor construction work of large span
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, A high buildings and B high buildings are connected
The right overhanging portion being connected together is the hanging steel vestibule of large span, using existing large span high-altitude disjunctor Construction of Steel Structure side
Method can not complete the construction of above-mentioned Steel corridor.
The content of the invention
The present invention provides a kind of large span hanging steel corridor construction work to solve technical problem present in known technology
Method, the engineering method can complete to transfinite high, large span is hanging, lack the scope of operation, using the operation of annex flooring, floow load power not
Enough, the steel corridor construction without reliable hoist point is lifted using overall.
The present invention is adopted the technical scheme that to solve technical problem present in known technology：A kind of large span is hanging
Steel corridor construction engineering method, the hanging steel vestibule are connected between A high buildings and B high buildings, the top being mainly formed by connecting by truss
Steel construction and lower extension layer steel construction composition, the hanging steel vestibule integral planar are rectangular；The construction uses following steps：
1) sliding and lifting device I and sliding and lifting device are set gradually from the inside to the outside close to the top at B high buildings end in A high buildings
Ⅱ；Set and the sliding and lifting device I and the sliding and lifting device II 1 close to the edge of A high buildings in the roof of B high buildings
Sliding and lifting device III corresponding to one and sliding and lifting device IV；
The sliding and lifting device I is fixed on the structural column of A high buildings, is provided with the sliding and lifting device I overhanging
Sliding and lifting beam I, the sliding and lifting beam I is vertical with the end facade of A high buildings, on the sliding and lifting beam I from outside to inside
It is sequentially provided with bearing I, load push-pull I and sliding push rod I, the bearing I to be slidably connected with the sliding and lifting beam I, the push-and-pull
The telescopic end of device I is be hinged with the bearing I, and the inner and sliding push rod I of the load push-pull I is hinged, and is pushed away in the sliding
Bar I is provided with axially disposed multiple clamps I, and postive stop baffle I is fixed with the sliding and lifting beam I, and the clamp I pushes up
It is pressed on the outer face of the postive stop baffle I；Lifter I is fixed with the bearing I；
Overhanging sliding and lifting beam II, the sliding and lifting beam II and A high buildings are provided with the sliding and lifting device II
End facade it is vertical, be sequentially provided with from outside to inside on the sliding and lifting beam II bearing II, load push-pull II and sliding push rod II,
The bearing II is slidably connected with the sliding and lifting beam II, and the telescopic end of the load push-pull II is be hinged with the bearing II, institute
The inner be hinged with the sliding push rod II of load push-pull II is stated, axially disposed multiple cards are provided with the sliding push rod II
Plate II, postive stop baffle II is fixed with the sliding and lifting beam II, the top pressure of clamp II is in the outer of the postive stop baffle II
On end face；Lifter II is fixed with the bearing II；
The sliding and lifting device III is located at B high building roof edge intermediate region, is set on the sliding and lifting device III
There is overhanging sliding and lifting beam III, the sliding and lifting beam III is vertical with the end facade of A high buildings, on the sliding and lifting beam III
Bearing III, load push-pull III and sliding pull bar III, the bearing III is sequentially provided with from outside to inside to slide with the sliding and lifting beam III
Connection, the telescopic end of the load push-pull III is be hinged with the bearing III, the inner and sliding pull bar III of the load push-pull III
It is be hinged, axially disposed multiple clamps III are provided with the sliding pull bar III, are fixed with the sliding and lifting beam III
Postive stop baffle III, the tension and compression of clamp III are on the inner face of the postive stop baffle III；Lifting is fixed with the bearing III
Device III；
The sliding and lifting device IV is located at the corner region of B high building roofs, the sliding and lifting device IV include with
Roofing slab affixed lifting beam I and lifting beam II, the lifting beam I is stretched out along the direction vertical with B high building side elevations, described to carry
The side elevation stretching that beam II is inclined to B high buildings is risen, sliding is fixed with the overhanging end of the lifting beam I and the lifting beam II
Beam, the sliding beam are located at outside the side of B high buildings, and the sliding beam is parallel with the side elevation of B high buildings, in the lifting beam I
It is affixed with the diagonal brace that is respectively arranged below with of the lifting beam II, the lower end of the diagonal brace and B high buildings；
It is sequentially provided with bearing IV, load push-pull IV and sliding pull bar IV, the bearing IV from outside to inside in the sliding beam
It is slidably connected with the sliding beam, the telescopic end of the load push-pull IV is be hinged with the bearing IV, the inner of the load push-pull IV
It is be hinged with the sliding pull bar IV, axially disposed multiple clamps IV are provided with the sliding pull bar IV, in the sliding
A postive stop baffle IV is fixed with beam, the tension and compression of clamp IV are on the inner face of the postive stop baffle IV；In the bearing
Lifter IV is fixed with IV；
The steel superstructure 1-3 operations for forming of the hanging steel vestibule is completed on the roof boarding of annex；
2) lifter I, the lifter II, the lifter III and the lifter IV are started, after shaping
The steel superstructure 1-3 of the hanging steel vestibule is promoted to the first setting height；
3) operations for forming of first time extension layer steel construction of the hanging steel vestibule is completed on the roof boarding of annex, then
Steel superstructure 1-3 of the layer steel structure connection in the hanging steel vestibule is hung by first time of the hanging steel vestibule after shaping
Lower section, start the lifter I, the lifter II, the lifter III and the lifter IV, the vestibule is hanging
Partial steel superstructure is promoted to the second setting height；
4) repeat step 3), until completing all lower connections for hanging layer steel construction of the hanging steel vestibule；
5) lifter I, the lifter II, the lifter III and the lifter IV are started, will be whole described
Hanging steel vestibule Integral synchronous is promoted to mounting design height；
6) load push-pull I, the load push-pull II, the load push-pull III and the load push-pull IV are started, in the air will be whole
The individual hanging steel vestibule integral level progressively sliding in place to the right, makes the right-hand member of the hanging steel vestibule 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 the hanging steel is connected
The left end of corridor links together with the permanent structure on A high buildings.
The present invention has the advantages and positive effects of：
One) it is big for hanging steel vestibule overall weight, the problem of podium floorboard load force deficiency, applied using projecting method
Work, by several times lifting are further added by the lower mode for hanging layer to high-order layer by layer postpone of lower extension, that is, solve podium floorboard Lack of support
The problem of, hoisting weight is added again.The assembled moulding bed that the main assembly of steel construction, welding and paint etc. are operated in flooring is enterprising
OK, loose mail lifting can be carried out with tower crane, efficiency of construction is high, and construction quality is easy to ensure.Hanging steel vestibule passes through after integrally being lifted
Lengthening sliding pull bar realizes sliding (slip length 1700mm) over long distances；Hanging steel vestibule entirety and right side B high building column oxen
Slip support abutment welding on leg, solves the problems, such as steel construction stress deformation.
Two) gradually it is molded by using the roof boarding higher slice block in annex, gradually hangs upside down, and is fallen completing global formation
Implement the overall construction method lifted with aerial integral slipping after overall lifting after extension, solve transfinite height (68m), large span and hang
Empty steel vestibule lacks the scope of operation, utilizes annex flooring operation, floow load power deficiency, using overall lifting without reliable hoist point
Construction difficult problem.Avoid all using bulk-breaking high altitude bulk, reduce the workload of assembly and overhead welding, without large-scale
Lifting machine equipment, using the existing equipment in scene with regard to lifting requirements can be met, and solve high-altitude spelling moulding bed and (set up
Highly 68.63 meters) the problem of can not setting up, safety, quality risk are reduced, has saved construction cost, reduces difficulty of construction；
Amount of high-altitude operation is down to and at least, is advantageous to the field erected safety of steel construction, quality and the control of duration.
Three) using the method construction slid after overall lifting+lifting, by the stress system for taking into full account elevated structure
Feature, do not changing structure stress system, the stress ratio of structure and deformation is controlled and advising
On the premise of in model allowed band, the multiple sliding and lifting points of reasonable Arrangement, multi-point high-altitude after overall lifting is successfully realized
Horizontal direction sliding (skidding distance 1700mm) over long distances.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.
In summary, the present invention passes through lifting means using lifting by several times, the method for hanging upside down overall sliding and lifting after aggravating
Extension combination, lifting weight, span and area is improved a lot.By the integral hoisting of steel construction, by work high above the ground
Amount is down at least, and hydraulic pressure lift operation absolute time is shorter in addition, can effectively ensure that the overall duration of Steel Structure Installation.Break
Current Long-span Cantilever abnormity transfinites the limitation of structural steel corridor 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. 3-1 is the structural representation for the sliding and lifting device I that the present invention applies；
Fig. 3-2 is the bearing I, load push-pull I and the sliding connection diagram of pull bar I for the sliding and lifting device I that the present invention applies；
Fig. 4 is the structural representation for the sliding and lifting device II that the present invention applies；
Fig. 5 is the structural representation for the sliding and lifting device III that the present invention applies；
Fig. 6-1 is the front view for the sliding and lifting device IV that the present invention applies；
Fig. 6-2 is Fig. 6-1 side view；
Fig. 6-3 is the sliding beam (including sliding beam) for the sliding and lifting device IV that the present invention applies with the vertical view of lower part
Figure；
The schematic diagram of Fig. 7 steps 2) of the present invention；
Fig. 8 is the schematic diagram of step 3) of the present invention；
Fig. 9 is the schematic diagram of step 4) of the present invention.
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 vestibule 1, and the steel vestibule 1 connects A high buildings 2 and B
High building 3, the steel superstructure being mainly formed by connecting by truss and lower extension layer steel construction form, and the integral planar of steel vestibule 1 is in
Rectangle, including left and right two parts, left-hand component are connected with A high buildings 2, by the gallery structure inside points on the floorboard of A high buildings 2
With connected vestibule encorbelment part composition, right-hand component is the vestibule suspending part that A high buildings 2 and B high buildings 3 link together
Point, the vestibule overhanging portion and the vestibule are encorbelmented part L-shaped arrangement in the same plane.Above-mentioned vestibule, which is encorbelmented, is partly
The hanging steel vestibule of large span, the hanging steel vestibule are connected between A high buildings 2 and B high buildings 3, are mainly formed by connecting by truss
Steel superstructure and lower extension layer steel construction composition, the hanging steel vestibule integral planar of large span are rectangular.
The construction of the above-mentioned hanging steel vestibule of large span uses following steps：
1) 4-1 of sliding and lifting device I is set gradually from the inside to the outside close to the top at the end of B high buildings 3 in A high buildings 2 and lifting is slided
The 4-2 of moving device II；Set and the 4-1 of sliding and lifting device I and the lifting close to the edge of A high buildings in the roof of B high buildings 3
The 4-2 of the slide device II one-to-one 4-3 of sliding and lifting device III and the 4-4 of sliding and lifting device IV.
The 4-1 of sliding and lifting device I is fixed on the structural column 5 of A high buildings 2, on the 4-1 of sliding and lifting device I
It is vertical with the end facade of A high buildings 2 provided with overhanging sliding and lifting beam I 4-1-1, the 4-1-1 of sliding and lifting beam I, carried described
Rise and be sequentially provided with the 4-1-2 of bearing I, the 4-1-3 of load push-pull I and the sliding 4-1-4 of push rod I, the bearing I in sliding beam I from outside to inside
4-1-2 is slidably connected with the 4-1-1 of sliding and lifting beam I, the telescopic end of the 4-1-3 of load push-pull I and the 4-1-2 of bearing I
Be hinged, the inner and sliding 4-1-4 of push rod I of the 4-1-3 of load push-pull I is hinged, and is set on sliding push rod I 4-1-4
There is the axially disposed 4-1-6 of multiple clamps I, the 4-1-5 of postive stop baffle I, institute are fixed with the 4-1-1 of sliding and lifting beam I
The 4-1-6 top pressures of clamp I are stated on the outer face of the 4-1-5 of postive stop baffle I；Lifter is fixed with the 4-1-1 of bearing I
Ⅰ4-1-7。
The overhanging 4-2-1 of sliding and lifting beam II, the sliding and lifting beam II are provided with the 4-2 of sliding and lifting device II
4-2-1 is vertical with the end facade of A high buildings 2, and the 4-2- of bearing II is sequentially provided with from outside to inside on the 4-2-1 of sliding and lifting beam II
2nd, the 4-2-3 of load push-pull II and sliding push rod II 4-2-4, the 4-2-2 of the bearing II and 4-2-1 of sliding and lifting beam II, which is slided, connects
Connect, the telescopic end of the 4-2-3 of load push-pull II is hinged with the 4-2-2 of bearing II, the inner of the 4-2-3 of load push-pull II and institute
State the sliding 4-2-4 of push rod II to be hinged, the axially disposed 4-2-6 of multiple clamps II be provided with sliding push rod II 4-2-4,
The 4-2-5 of postive stop baffle II is fixed with the 4-2-1 of sliding and lifting beam II, the 4-2-6 top pressures of clamp II are described spacing
On the 4-2-5 of baffle plate II outer face；The 4-2-7 of lifter II is fixed with the 4-2-2 of bearing II.
The 4-3 of sliding and lifting device III is located at the roof edge intermediate region of B high buildings 3, in the sliding and lifting device
III 4-3 is vertical with the end facade of A high buildings 2 provided with overhanging sliding and lifting beam III 4-3-1, the 4-3-1 of sliding and lifting beam III,
It is sequentially provided with the 4-3-2 of bearing III, the 4-3-3 of load push-pull III and sliding pull bar from outside to inside on the 4-3-1 of sliding and lifting beam III
III 4-3-4, the 4-3-2 of bearing III are slidably connected with the 4-3-1 of sliding and lifting beam III, and the 4-3-3's of load push-pull III stretches
Contracting end is hinged with the 4-3-2 of bearing III, and the inner and sliding 4-3-4 of pull bar III of the 4-3-3 of load push-pull III is hinged,
The sliding 4-3-4 of pull bar III is provided with the axially disposed 4-3-6 of multiple clamps III, in the 4-3-1 of sliding and lifting beam III
On be fixed with the 4-3-5 of postive stop baffle III, the 4-3-6 tension and compression of clamp III are on the inner face of the 4-3-5 of postive stop baffle III；
The 4-3-7 of lifter III is fixed with the 4-3-2 of bearing III.
The 4-4 of sliding and lifting device IV is located at the corner region of the roof of B high buildings 3, the 4-4 of sliding and lifting device IV
Including lifting beam I 4-4-8 affixed with Roofing slab and the 4-4-9 of lifting beam II, the 4-4-8 of lifting beam I edges and B high building side elevations
Vertical direction is stretched out, and the side elevation of the 4-4-9 of the lifting beam II deviation B high buildings 3 stretches out, in the 4-4-8 of lifting beam I and institute
State and sliding beam 4-4-1, the sliding beam 4-4-1 are fixed with the 4-4-9 of lifting beam II overhanging end are located at the side of B high buildings 1
Outside, the sliding beam 4-4-1 is parallel with the side elevation of B high buildings 3, in the 4-4-8 of lifting beam I and the 4-4- of the lifting beam II
9 are respectively arranged below with diagonal brace 4-4-10, and the lower end of the diagonal brace 4-4-10 and B high buildings be affixed.
It is sequentially provided with the 4-4-2 of bearing IV, the 4-4-3 of load push-pull IV from outside to inside on the sliding beam 4-4-1 and sliding is drawn
Bar IV 4-4-4, the 4-4-2 of bearing IV are slidably connected with the sliding beam 4-4-1, the telescopic end of the 4-4-3 of load push-pull IV
It is hinged with the 4-4-2 of bearing IV, the inner and sliding 4-4-4 of pull bar IV of the 4-4-3 of load push-pull IV is hinged, described
The sliding 4-4-4 of pull bar IV is provided with the axially disposed 4-4-6 of multiple clamps IV, and one is fixed with the sliding beam 4-4-1
The individual 4-4-5 of postive stop baffle IV, the 4-4-6 tension and compression of clamp IV are on the inner face of the 4-4-5 of postive stop baffle IV；In the branch
The 4-4-7 of lifter IV is fixed with IV 4-4-2 of seat；The upper steel knot of the hanging steel vestibule is completed on the roof boarding of annex 6
Structure 1-3 operations for forming.
2) 4-1-7 of lifter I, the 4-2-7 of the lifter II, the 4-3-7 of the lifter III and the lifting are started
The 4-4-7 of device IV, the steel superstructure 1-3 of the hanging steel vestibule after shaping is promoted to the first setting height.
3) operations for forming of first time extension layer steel construction of the hanging steel vestibule is completed on the roof boarding of annex 6, so
Afterwards steel superstructure of the layer steel structure connection in the hanging steel vestibule is hung by first time of the hanging steel vestibule after shaping
1-3 lower section, start the 4-1-7 of lifter I, the 4-2-7 of the lifter II, the 4-3-7 of the lifter III and the lifting
The 4-4-7 of device IV, the steel superstructure of the vestibule overhanging portion is promoted to the second setting height.
4) repeat step 3), until completing all lower connections for hanging layer steel construction of the hanging steel vestibule.
5) 4-1-7 of lifter I, the 4-2-7 of the lifter II, the 4-3-7 of the lifter III and the lifting are started
The 4-4-7 of device IV, the whole hanging steel vestibule Integral synchronous is promoted to mounting design height.
6) 4-1-3 of load push-pull I, the 4-2-3 of the load push-pull II, the 4-3-3 of the load push-pull III and the push-and-pull are started
The 4-4-3 of device IV, in the air will the whole hanging steel vestibule integral level progressively sliding in place to the right, make the hanging steel vestibule
Right-hand member be supported on slip support abutment, the slip support abutment is fixed on bracket, and the bracket is arranged on the structural column of B high buildings 3
On；Then the left end of the hanging steel vestibule is linked together with the permanent structure on A high buildings 2.
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, need to carry out temperature pier to lifting region rod member to meet overall lifting demand,
Offset in lifting and deform caused by weight stress, form it into it is stable overall to be lifted, using prior art, herein no longer
Repeat.The structure division that is connected with sliding and lifting device need to carry out it is interim strengthen to meet lifting weight demand, use is existing
Technology, 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 (1)
1. a kind of hanging steel corridor construction engineering method of large span, the hanging steel vestibule is connected between A high buildings and B high buildings, mainly
The steel superstructure and lower extension layer steel construction being formed by connecting by truss form, and the hanging steel vestibule integral planar is rectangular；Its
It is characterised by, the construction uses following steps：
1) sliding and lifting device I and sliding and lifting device II are set gradually from the inside to the outside close to the top at B high buildings end in A high buildings；
Set and a pair of the sliding and lifting device I and the sliding and lifting device II 1 close to the edge of A high buildings in the roof of B high buildings
The sliding and lifting device III and sliding and lifting device IV answered；
The sliding and lifting device I is fixed on the structural column of A high buildings, and overhanging carry is provided with the sliding and lifting device I
Sliding beam I is risen, the sliding and lifting beam I is vertical with the end facade of A high buildings, on the sliding and lifting beam I from outside to inside successively
It is slidably connected provided with bearing I, load push-pull I and sliding push rod I, the bearing I with the sliding and lifting beam I, the load push-pull I
Telescopic end is be hinged with the bearing I, and the inner and sliding push rod I of the load push-pull I is hinged, on the sliding push rod I
Provided with axially disposed multiple clamps I, postive stop baffle I is fixed with the sliding and lifting beam I, the top pressure of clamp I exists
On the outer face of the postive stop baffle I；Lifter I is fixed with the bearing I；
Overhanging sliding and lifting beam II, the end of the sliding and lifting beam II and A high buildings are provided with the sliding and lifting device II
Facade is vertical, is sequentially provided with bearing II, load push-pull II and sliding push rod II from outside to inside on the sliding and lifting beam II, described
Bearing II is slidably connected with the sliding and lifting beam II, and the telescopic end of the load push-pull II is be hinged with the bearing II, described to push away
The inner be hinged with the sliding push rod II of device II is drawn, axially disposed multiple clamps are provided with the sliding push rod II
II, postive stop baffle II is fixed with the sliding and lifting beam II, the top pressure of clamp II is in the outer end of the postive stop baffle II
On face；Lifter II is fixed with the bearing II；
The sliding and lifting device III is located at B high building roof edge intermediate region, 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 end facade of A high buildings, from outer on the sliding and lifting beam III
It is slidably connected to interior bearing III, load push-pull III and sliding pull bar III, the bearing III of being sequentially provided with the sliding and lifting beam III,
The telescopic end of the load push-pull III is be hinged with the bearing III, and the inner and sliding pull bar III of the load push-pull III is hinged,
Axially disposed multiple clamps III are provided with the sliding pull bar III, limiting block is fixed with the sliding and lifting beam III
Plate III, the tension and compression of clamp III are on the inner face of the postive stop baffle III；Lifter III is fixed with the bearing III；
The sliding and lifting device IV is located at the corner region of B high building roofs, and the sliding and lifting device IV includes and roof
Plate affixed lifting beam I and lifting beam II, the lifting beam I are stretched out along the direction vertical with B high building side elevations, the lifting beam
The side elevation of II deviation B high buildings is stretched out, and sliding beam is fixed with the overhanging end of the lifting beam I and the lifting beam II,
The sliding beam is located at outside the side of B high buildings, and the sliding beam is parallel with the side elevation of B high buildings, in the lifting beam I and institute
The diagonal brace that is respectively arranged below with of lifting beam II is stated, the lower end of the diagonal brace and B high buildings are affixed；
It is sequentially provided with bearing IV, load push-pull IV and sliding pull bar IV, the bearing IV and institute from outside to inside in the sliding beam
State sliding beam to be slidably connected, the telescopic end of the load push-pull IV is be hinged with the bearing IV, the inner of the load push-pull IV and institute
It is be hinged to state sliding pull bar IV, axially disposed multiple clamps IV are provided with the sliding pull bar IV, in the sliding beam
A postive stop baffle IV is fixed with, the tension and compression of clamp IV are on the inner face of the postive stop baffle IV；On the bearing IV
It is fixed with lifter IV；
The steel superstructure operations for forming of the hanging steel vestibule is completed on the roof boarding of annex；
2) lifter I, the lifter II, the lifter III and the lifter IV are started, described in after shaping
The steel superstructure of hanging steel vestibule is promoted to the first setting height；
3) first time operations for forming for hanging layer steel construction of the hanging steel vestibule is completed on the roof boarding of annex, then will be into
First time of the hanging steel vestibule after type hangs layer steel structure connection in the lower section of the vacantly steel superstructure of steel vestibule,
Start the lifter I, the lifter II, the lifter III and the lifter IV, by the upper of the hanging steel vestibule
Portion's lift up of steel structure is to the second setting height；
4) repeat step 3), until completing all lower connections for hanging layer steel construction of the hanging steel vestibule；
5) lifter I, the lifter II, the lifter III and the lifter IV are started, will be whole described hanging
Steel vestibule Integral synchronous is promoted to mounting design height；
6) load push-pull I, the load push-pull II, the load push-pull III and the load push-pull IV are started, in the air by whole institute
Hanging steel vestibule integral level progressively sliding in place to the right is stated, the right-hand member of the hanging steel vestibule is supported on slip support abutment,
The slip support abutment is fixed on bracket, and the bracket is arranged on the structural column of B high buildings；Then by the hanging steel vestibule
Left end links together with the permanent structure on A high buildings.
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| CN201610420915.7A CN106065661B (en) | 2016-06-13 | 2016-06-13 | The hanging steel corridor construction engineering method of large span |
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| CN114319576A (en) * | 2022-01-17 | 2022-04-12 | 深圳嘉西亚建筑设计有限公司 | Steel structure corridor structure and hoisting method thereof |
| CN114541567A (en) * | 2022-03-04 | 2022-05-27 | 中建八局第二建设有限公司 | Construction method for irregular conjoined steel corridor in narrow and small site |
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