CN106065661A - Large span unsettled steel corridor construction engineering method - Google Patents
Large span unsettled steel corridor construction engineering method Download PDFInfo
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- CN106065661A CN106065661A CN201610420915.7A CN201610420915A CN106065661A CN 106065661 A CN106065661 A CN 106065661A CN 201610420915 A CN201610420915 A CN 201610420915A CN 106065661 A CN106065661 A CN 106065661A
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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 large span unsettled steel corridor construction engineering method, employing following steps: 1) multiple sliding and lifting device is set；Annex completes the shaping of steel superstructure；2) start the lifter of sliding and lifting device, steel superstructure is promoted to the first setting height；3) on annex, complete first time to hang the shaping of layer steel construction, by first time extension layer steel structure connection in the lower section of steel superstructure, start the lifter of sliding and lifting device, steel superstructure is promoted to the second setting height；4) step 3 is repeated), until completing the connection of all lower extension layer steel constructions；5) start the lifter of all sliding and lifting devices, whole unsettled steel vestibule Integral synchronous is promoted to mounting design height；6) load push-pull of sliding and lifting device is started, by place for steel vestibule integral slipping.The present invention can complete to transfinite height, large span is unsettled, utilize annex flooring operation and load force is not enough, use the overall steel corridor construction promoting without reliable hoist point.
Description
Technical field
The present invention relates to the construction method of a kind of steel vestibule, particularly relate to a kind of large span unsettled steel corridor construction work
Method.
Background technology
With socioeconomic development, people are also being continuously increased for demand and the needs of building and are improving, and disjunctor is multiple
Miscellaneous 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 of conjoined structure, can facilitate
Contact between two high buildings.Current conjoined structure has good daylighting effect and wide visual field, due to conjoined structure
Arrange, make in architectural appearance more characteristic.Current large span high-altitude disjunctor Construction of Steel Structure method specifically includes that high altitude bulk
Method, point bar (piecemeal) lift-on/lift-off system, Integral Lifting, whole hanging method, cantilever Method for Installation, aerial sliding methed, inverse make 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
Composition.Vestibule integral planar is rectangular, including left and right two parts, left-hand component is connected with A high building, by the knot being positioned on floorboard
Part and connected part composition of encorbelmenting in structure, right-hand component is the suspending part linking together A high building and B high building
Point, overhanging portion divides with inside configuration and part of encorbelmenting is docked simultaneously, and the overhanging portion of vestibule and part of encorbelmenting are at same plane
Interior 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.Whole
Body hoisting height is 68.63 meters, and the cantilever span of part of wherein encorbelmenting is 11.050m, and weight is 165 tons, promotes without reliable
Point.Steel superstructure and all construction weights of lower extension layer steel construction reach 425 tons.The scope of operation of above-mentioned component is all at the flooring of podium
Carry out on plate, but the floorboard of above-mentioned podium does not have the ability of carrying 425 tons.In sum, A high building and B high building are connected
The right overhanging portion being connected together is large span unsettled steel vestibule, uses existing large span high-altitude disjunctor Construction of Steel Structure side
Method can not complete the construction of above-mentioned Steel corridor.
Content of the invention
The present invention solves that technical problem present in known technology provides a kind of large span unsettled steel corridor construction work
Method, this engineering method can complete to transfinite height, large span is unsettled, lack the scope of operation, utilize annex flooring operation, floow load power not
Foot, the overall steel corridor construction promoting without reliable hoist point of employing.
The present invention solves that technical problem is adopted the technical scheme that present in known technology: a kind of large span is unsettled
Steel corridor construction engineering method, described unsettled steel vestibule is connected between A high building and B high building, the top being mainly formed by connecting by truss
Steel construction and lower extension layer steel construction composition, described unsettled steel vestibule integral planar is rectangular；This construction employing following steps:
1) sliding and lifting device I and sliding and lifting device are set gradually at A high building from the inside to the outside near the top of B high building end
Ⅱ；Roof at B high building is arranged and described sliding and lifting device I and described sliding and lifting device II 1 near the edge of A high building
One corresponding sliding and lifting device III and sliding and lifting device IV；
Described sliding and lifting device I is fixed on the structural column of A high building, is provided with overhanging on described sliding and lifting device I
Sliding and lifting beam I, described sliding and lifting beam I vertical with the end facade of A high building, on described sliding and lifting beam I from outside to inside
Being sequentially provided with bearing the Ith, load push-pull I and sliding push rod I, described bearing I is slidably connected with described sliding and lifting beam I, described push-and-pull
The telescopic end of device I is hinged with described bearing I, and the inner and described sliding push rod I of described load push-pull I is hinged, pushes away in described sliding
Bar I is provided with axially disposed multiple clamps I, is fixed with postive stop baffle I on described sliding and lifting beam I, and described clamp I pushes up
It is pressed on the outer face of described postive stop baffle I；Described bearing I is fixed with lifter I；
Described sliding and lifting device II is provided with overhanging sliding and lifting beam II, described sliding and lifting beam II and A high building
End facade vertical, described sliding and lifting beam II is sequentially provided with bearing the IIth, load push-pull II and sliding push rod II from outside to inside,
Described bearing II is slidably connected with described sliding and lifting beam II, and the telescopic end of described load push-pull II is hinged with described bearing II, institute
Inner and the described sliding push rod II stating load push-pull II is hinged, is provided with axially disposed multiple cards on described sliding push rod II
Plate II, is fixed with postive stop baffle II on described sliding and lifting beam II, and described clamp II top is pressed in outside described postive stop baffle II
On end face；Described bearing II is fixed with lifter II；
Described sliding and lifting device III is positioned at B high building roof edge zone line, sets on described sliding and lifting device III
Having overhanging sliding and lifting beam III, described sliding and lifting beam III is vertical with the end facade of A high building, on described sliding and lifting beam III
Being sequentially provided with bearing the IIIth, load push-pull III and sliding pull bar III from outside to inside, described bearing III slides with described sliding and lifting beam III
Connecting, the telescopic end of described load push-pull III is hinged with described bearing III, the inner and described sliding pull bar III of described load push-pull III
Hinged, described sliding pull bar III is provided with axially disposed multiple clamps III, described sliding and lifting beam III is fixed with
Postive stop baffle III, the tension and compression of described clamp III are on the inner face of described postive stop baffle III；Described bearing III is fixed with lifting
Device III；
Described sliding and lifting device IV is positioned at the corner region of B high building roof, described sliding and lifting device IV include with
The affixed lifting beam of Roofing slab I and lifting beam II, described lifting beam I stretches out along the direction vertical with B high building side elevation, described carries
The side elevation that liter beam II is partial to B high building stretches out, and is fixed with sliding on the overhanging end of described lifting beam I and described lifting beam II
Beam, described sliding beam is positioned at outside the side of B high building, and described sliding beam is parallel with the side elevation of B high building, in described lifting beam I
With the diagonal brace that is respectively arranged below with of described lifting beam II, the lower end of described diagonal brace is affixed with B high building；
Described sliding beam is sequentially provided with bearing the IVth, load push-pull IV and sliding pull bar IV, described bearing IV from outside to inside
Being slidably connected with described sliding beam, the telescopic end of described load push-pull IV is hinged with described bearing IV, the inner of described load push-pull IV
Hinged with described sliding pull bar IV, described sliding pull bar IV is provided with axially disposed multiple clamps IV, in described sliding
Being fixed with a postive stop baffle IV on beam, the tension and compression of described clamp IV are on the inner face of described postive stop baffle IV；At described bearing
It is fixed with lifter IV on IV；
The roof boarding of annex completes the steel superstructure operations for forming of described unsettled steel vestibule；
2) described lifter the Ith, described lifter the IIth, described lifter III and described lifter IV are started, after shaping
The steel superstructure of described unsettled steel vestibule is promoted to the first setting height；
3) on the roof boarding of annex, the operations for forming of first time extension layer steel construction of described unsettled steel vestibule is completed, then
The steel superstructure at described unsettled steel vestibule for the layer steel structure connection will be hung after shaping first time of described unsettled steel vestibule
Lower section, starts described lifter the Ith, described lifter the IIth, described lifter III and described lifter IV, by described vestibule suspending part
The steel superstructure dividing is promoted to the second setting height；
4) step 3 is repeated), until completing the connection of all lower extension layer steel construction of described unsettled steel vestibule；
5) described lifter the Ith, described lifter the IIth, described lifter III and described lifter IV are started, will be whole described
Unsettled steel vestibule Integral synchronous is promoted to mounting design height；
6) described load push-pull the Ith, described load push-pull the IIth, described load push-pull III and described load push-pull IV are started, in the air by whole
Individual described unsettled steel vestibule integral level to the right progressively sliding in place, make the right-hand member of described unsettled steel vestibule be bearing in slip support abutment
On, described slip support abutment is fixed on bracket, and described bracket is arranged on the structural column of B high building；Then by described unsettled steel even
The left end of corridor links together with the permanent structure on A high building.
The present invention has the advantage that and with good effect is:
One) big for unsettled steel vestibule overall weight, the hypodynamic problem of podium floorboard load, use reversal of the natural order of things method to execute
Work, rise to by several times lower hang high position layer by layer after be further added by the mode of lower extension layer, i.e. solve podium floorboard Lack of support
Problem, add again hoisting weight.The assembled moulding bed that the main assembly of steel construction, welding and paint etc. are operated in flooring is enterprising
OK, available tower crane carries out loose mail lifting, and efficiency of construction is high, and construction quality is easy to ensure.Unsettled steel vestibule passes through after integrally promoting
Lengthen sliding pull bar and achieve distance sliding (slip length 1700mm)；Unsettled steel vestibule entirety and right side B high building column ox
Slip support abutment welding on leg, solves steel construction stress deformation problem.
Two) it is gradually molded by using the roof boarding higher slice block at annex, gradually hang upside down, and fall completing global formation
Implement after extension overall promote and overall promote after the construction method of aerial integral slipping, solve the height that transfinites (68m), large span is hanged
Empty steel vestibule lacks the scope of operation, utilizes annex flooring operation, and floow load power is not enough, uses overall lifting without reliable hoist point
Construction difficult problem.Avoid and all use bulk-breaking high altitude bulk, decrease the workload of assembly and overhead welding, it is not necessary to large-scale
Lifting machine equipment, utilize on-the-spot existing equipment just can meet lifting requirements, and solve high-altitude spelling moulding bed and (set up
Highly 68.63 meters) problem that cannot set up, reduce safety, quality risk, saved construction cost, reduce difficulty of construction；
Amount of high-altitude operation is down to minimum, beneficially the field erected safety of steel construction, quality and the control of duration.
Three) after using overall lifting+lifting, the method for sliding is constructed, by taking into full account the stress system of elevated structure
Feature, is not changing structure stress system, makes the stress ratio of structure in lifting hoisting process and deformation all control on rule
On the premise of in model allowed band, reasonable Arrangement multiple sliding and lifting point, successfully achieve multi-point high-altitude after overall lifting
Horizontal direction distance sliding (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, fee of material, if
Standby take, and meet the requirement of many overall control 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
During optional position locking, arbitrary lifter also can individually adjust, and Adjustment precision is high, is effectively improved structure and promoted
The controllability of installation accuracy in journey.Using flexible rigging load-bearing, having rational load-bearing suspension centre, hoisting depth is unrestricted.Promote
During the lifting attitude of component held stationary, synchronous control accuracy height automation degree of equipment is high, flexible to operation, safety
Property good, reliability is high, uses wide, highly versatile.
3) air translation is not necessarily to moulding bed, and the security 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 structures such as suspension centre utilizes agent structure to arrange, and hydraulic synchronizing lifting dynamic load is minimum in addition
Advantage, and promote the recycling of the lifting special hanger of platform, sliding and lifting platform and different tonnage, lifting can be made to face
When facility consumption be down to minimum, beneficially construction cost control.
In sum, the present invention uses the method promoting by several times, hanging upside down overall sliding and lifting after increasing the weight of, and passes through lifting means
Extension combination, make lifting weight, span and area all improve a lot.By the integral hoisting of steel construction, by work high above the ground
Amount is down to minimum, 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 restriction of structural steel corridor construction.
Brief description
Fig. 1 is the structural representation that the present invention applies；
Fig. 2 is step 1 of the present invention) schematic diagram；
The structural representation of the sliding and lifting device I that Fig. 3-1 applies for the present invention；
The bearing of the sliding and lifting device I that Fig. 3-2 applies for the present invention the Ith, load push-pull I and sliding pull bar I connection diagram；
Fig. 4 is the structural representation of the sliding and lifting device II that the present invention applies；
Fig. 5 is the structural representation of the sliding and lifting device III that the present invention applies；
The front view of the sliding and lifting device IV that Fig. 6-1 applies for the present invention；
The side view that Fig. 6-2 is Fig. 6-1；
The sliding beam (comprising sliding beam) of the sliding and lifting device IV that Fig. 6-3 applies for the present invention is with the vertical view of lower part
Figure；
Fig. 7 step 2 of the present invention) schematic diagram；
Fig. 8 is step 3 of the present invention) schematic diagram；
Fig. 9 is step 4 of the present invention) schematic diagram.
Detailed description of the invention
For content of the invention, feature and effect of the present invention 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 vestibule 1, 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, described steel vestibule 1 integral planar in
Rectangle, including left and right two parts, left-hand component is connected with A high building 2, by the gallery structure part being positioned on A high building 2 floorboard
With connected vestibule encorbelment part composition, right-hand component is the vestibule suspending part linking together A high building 2 and B high building 3
Point, described vestibule overhanging portion and described vestibule are encorbelmented part L-shaped arrangement in the same plane.Above-mentioned vestibule is encorbelmented and is partly
Large span unsettled steel vestibule, described unsettled steel vestibule is connected between A high building 2 and B high building 3, is mainly formed by connecting by truss
Steel superstructure and lower extension layer steel construction composition, described large span unsettled steel vestibule integral planar is rectangular.
The construction employing following steps of above-mentioned large span unsettled steel vestibule:
1) set gradually sliding and lifting device I 4-1 at A high building 2 from the inside to the outside near the top of B high building 3 end to slide with promoting
Moving device II 4-2；Roof at B high building 3 is arranged and described sliding and lifting device I 4-1 and described lifting near the edge of A high building
Slide device II 4-2 sliding and lifting device III 4-3 one to one and sliding and lifting device IV 4-4.
Described sliding and lifting device I 4-1 is fixed on the structural column 5 of A high building 2, on described sliding and lifting device I 4-1
Being provided with overhanging sliding and lifting beam I 4-1-1, described sliding and lifting beam I 4-1-1 is vertical with the end facade of A high building 2, carries described
Rise and be sequentially provided with bearing I 4-1-2, load push-pull I 4-1-3 and sliding push rod I 4-1-4, described bearing I from outside to inside on sliding beam I
4-1-2 is slidably connected with described sliding and lifting beam I 4-1-1, the telescopic end of described load push-pull I 4-1-3 and described bearing I 4-1-2
Hinged, inner and described sliding push rod I 4-1-4 of described load push-pull I 4-1-3 is hinged, sets on described sliding push rod I 4-1-4
There is axially disposed multiple clamps I 4-1-6, described sliding and lifting beam I 4-1-1 is fixed with postive stop baffle I 4-1-5, institute
State clamp I 4-1-6 top to be pressed on the outer face of described postive stop baffle I 4-1-5；Described bearing I 4-1-1 is fixed with lifter
Ⅰ4-1-7。
Described sliding and lifting device II 4-2 is provided with overhanging sliding and lifting beam II 4-2-1, described sliding and lifting beam II
4-2-1 is vertical with the end facade of A high building 2, is sequentially provided with bearing II 4-2-from outside to inside on described sliding and lifting beam II 4-2-1
2nd, load push-pull II 4-2-3 and sliding push rod II 4-2-4, described bearing II 4-2-2 and described sliding and lifting beam II 4-2-1 slide even
Connecing, the telescopic end of described load push-pull II 4-2-3 is hinged with described bearing II 4-2-2, the inner of described load push-pull II 4-2-3 and institute
State sliding push rod II 4-2-4 hinged, described sliding push rod II 4-2-4 be provided with axially disposed multiple clamps II 4-2-6,
Being fixed with postive stop baffle II 4-2-5 on described sliding and lifting beam II 4-2-1, described clamp II 4-2-6 top is pressed in described spacing
On the outer face of baffle plate II 4-2-5；Described bearing II 4-2-2 is fixed with lifter II 4-2-7.
Described sliding and lifting device III 4-3 is positioned at the roof edge zone line of B high building 3, at described sliding and lifting device
III 4-3 is provided with overhanging sliding and lifting beam III 4-3-1, and described sliding and lifting beam III 4-3-1 is vertical with the end facade of A high building 2,
Described sliding and lifting beam III 4-3-1 is sequentially provided with bearing III 4-3-2, load push-pull III 4-3-3 and sliding pull bar from outside to inside
III 4-3-4, described bearing III 4-3-2 are slidably connected with described sliding and lifting beam III 4-3-1, and described load push-pull III 4-3-3 stretches
Contracting end is hinged with described bearing III 4-3-2, and inner and described sliding pull bar III 4-3-4 of described load push-pull III 4-3-3 is hinged,
Described sliding pull bar III 4-3-4 is provided with axially disposed multiple clamps III 4-3-6, at described sliding and lifting beam III 4-3-1
On be fixed with postive stop baffle III 4-3-5, described clamp III 4-3-6 tension and compression are on the inner face of described postive stop baffle III 4-3-5；?
It is fixed with lifter III 4-3-7 on described bearing III 4-3-2.
Described sliding and lifting device IV 4-4 is positioned at the corner region of B high building 3 roof, described sliding and lifting device IV 4-4
Including lifting beam I 4-4-8 affixed with Roofing slab and lifting beam II 4-4-9, described lifting beam I 4-4-8 edge and B high building side elevation
Vertical direction is stretched out, and the side elevation of described lifting beam II 4-4-9 deflection B high building 3 stretches out, in described lifting beam I 4-4-8 and institute
Stating and being fixed with sliding beam 4-4-1 on the overhanging end of lifting beam II 4-4-9, described sliding beam 4-4-1 is positioned at the side of B high building 1
Outside, described sliding beam 4-4-1 is parallel with the side elevation of B high building 3, at described lifting beam I 4-4-8 and described lifting beam II 4-4-
9 be respectively arranged below with diagonal brace 4-4-10, the lower end of described diagonal brace 4-4-10 is affixed with B high building.
Described sliding beam 4-4-1 is sequentially provided with bearing IV 4-4-2, load push-pull IV 4-4-3 and sliding from outside to inside draw
Bar IV 4-4-4, described bearing IV 4-4-2 are slidably connected with described sliding beam 4-4-1, the telescopic end of described load push-pull IV 4-4-3
Hinged with described bearing IV 4-4-2, inner and described sliding pull bar IV 4-4-4 of described load push-pull IV 4-4-3 is hinged, described
Sliding pull bar IV 4-4-4 is provided with axially disposed multiple clamps IV 4-4-6, is fixed with one on described sliding beam 4-4-1
Individual postive stop baffle IV 4-4-5, described clamp IV 4-4-6 tension and compression are on the inner face of described postive stop baffle IV 4-4-5；At described
It is fixed with lifter IV 4-4-7 on seat IV 4-4-2；The roof boarding of annex 6 completes the upper steel knot of described unsettled steel vestibule
Structure operations for forming.
2) described lifter I 4-1-7, described lifter II 4-2-7, described lifter III 4-3-7 and described lifting are started
The steel superstructure of the described unsettled steel vestibule after shaping is promoted to the first setting height by device IV 4-4-7.
3) on the roof boarding of annex 6, the operations for forming of first time extension layer steel construction of described unsettled steel vestibule is completed, so
After will hang the steel superstructure at described unsettled steel vestibule for the layer steel structure connection after shaping first time of described unsettled steel vestibule
Lower section, start described lifter I 4-1-7, described lifter II 4-2-7, described lifter III 4-3-7 and described lifter IV
The steel superstructure of described vestibule overhanging portion is promoted to the second setting height by 4-4-7.
4) step 3 is repeated), until completing the connection of all lower extension layer steel construction of described unsettled steel vestibule.
5) described lifter I 4-1-7, described lifter II 4-2-7, described lifter III 4-3-7 and described lifting are started
Whole described unsettled steel vestibule Integral synchronous is promoted to mounting design height by device IV 4-4-7.
6) described load push-pull I 4-1-3, described load push-pull II 4-2-3, described load push-pull III 4-3-3 and described push-and-pull are started
Device IV 4-4-3, in the air by whole described unsettled steel vestibule integral level to the right progressively sliding in place, make described unsettled steel vestibule
Right-hand member be bearing on slip support abutment, described slip support abutment is fixed on bracket, and described bracket is arranged on the structural column of B high building 3
On；Then the left end of described unsettled steel vestibule is linked together with the permanent structure on A high building 2.
Above-mentioned hierarchical block is progressively molded progressively to be hung down the method mentioned and can solve the problem that podium floorboard bearing capacity is not enough
Problem.In the lifting process of construction cell, need to carry out temperature pier to lifting region rod member 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 no longer
Repeat.The structure division needs being connected with sliding and lifting device are strengthened meeting lifting weight demand temporarily, use existing
Technology, does not repeats 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
The detailed description of the invention stated, above-mentioned detailed description of the invention is only schematically, is not restricted, this area common
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, also
May be made that a lot of form, these belong within protection scope of the present invention.
Claims (1)
1. a large span unsettled steel corridor construction engineering method, described unsettled steel vestibule is connected between A high building and B high building, mainly
The steel superstructure and the lower extension layer steel construction that are formed by connecting by truss form, and described unsettled steel vestibule integral planar is rectangular；Its
It is characterised by, this construction employing following steps:
1) sliding and lifting device I and sliding and lifting device II are set gradually at A high building from the inside to the outside near the top of B high building end；
Roof at B high building is arranged and described sliding and lifting device I and described sliding and lifting device II 1 a pair near the edge of A high building
The sliding and lifting device III answered and sliding and lifting device IV；
Described sliding and lifting device I is fixed on the structural column of A high building, is provided with overhanging proposing on described sliding and lifting device I
Rising sliding beam I, described sliding and lifting beam I vertical with the end facade of A high building, on described sliding and lifting beam I from outside to inside successively
Being provided with bearing the Ith, load push-pull I and sliding push rod I, described bearing I is slidably connected with described sliding and lifting beam I, described load push-pull I
Telescopic end is hinged with described bearing I, and the inner and described sliding push rod I of described load push-pull I is hinged, on described sliding push rod I
Being provided with axially disposed multiple clamps I, being fixed with postive stop baffle I on described sliding and lifting beam I, described clamp I top is pressed in
On the outer face of described postive stop baffle I；Described bearing I is fixed with lifter I；
Described sliding and lifting device II is provided with overhanging sliding and lifting beam II, the end of described sliding and lifting beam II and A high building
Facade is vertical, is sequentially provided with bearing the IIth, load push-pull II and sliding push rod II on described sliding and lifting beam II from outside to inside, described
Bearing II is slidably connected with described sliding and lifting beam II, and the telescopic end of described load push-pull II is hinged with described bearing II, described pushes away
Inner and the described sliding push rod II drawing device II is hinged, is provided with axially disposed multiple clamps on described sliding push rod II
II, described sliding and lifting beam II is fixed with postive stop baffle II, described clamp II top is pressed in the outer end of described postive stop baffle II
On face；Described bearing II is fixed with lifter II；
Described sliding and lifting device III is positioned at B high building roof edge zone line, outside being provided with on described sliding and lifting device III
The sliding and lifting beam III stretched, described sliding and lifting beam III is vertical with the end facade of A high building, from outward on described sliding and lifting beam III
Being sequentially provided with bearing the IIIth, load push-pull III and sliding pull bar III to interior, described bearing III is slidably connected with described sliding and lifting beam III,
The telescopic end of described load push-pull III is hinged with described bearing III, and the inner and described sliding pull bar III of described load push-pull III is hinged,
Described sliding pull bar III is provided with axially disposed multiple clamps III, described sliding and lifting beam III is fixed with limiting block
Plate III, the tension and compression of described clamp III are on the inner face of described postive stop baffle III；Described bearing III is fixed with lifter III；
Described sliding and lifting device IV is positioned at the corner region of B high building roof, and described sliding and lifting device IV includes and roof
The affixed lifting beam of plate I and lifting beam II, described lifting beam I stretches out along the direction vertical with B high building side elevation, described lifting beam
The side elevation of II deflection B high building stretches out, and is fixed with sliding beam on the overhanging end of described lifting beam I and described lifting beam II,
Described sliding beam is positioned at outside the side of B high building, and described sliding beam is parallel with the side elevation of B high building, in described lifting beam I and institute
Stating the diagonal brace that is respectively arranged below with of lifting beam II, the lower end of described diagonal brace is affixed with B high building；
Described sliding beam is sequentially provided with bearing the IVth, load push-pull IV and sliding pull bar IV, described bearing IV and institute from outside to inside
Stating sliding beam to be slidably connected, the telescopic end of described load push-pull IV is hinged with described bearing IV, the inner of described load push-pull IV and institute
State sliding pull bar IV hinged, described sliding pull bar IV is provided with axially disposed multiple clamps IV, on described sliding beam
Being fixed with a postive stop baffle IV, the tension and compression of described clamp IV are on the inner face of described postive stop baffle IV；On described bearing IV
It is fixed with lifter IV；
The roof boarding of annex completes the steel superstructure operations for forming of described unsettled steel vestibule；
2) described lifter the Ith, described lifter the IIth, described lifter III and described lifter IV are started, described in after shaping
The steel superstructure of unsettled steel vestibule is promoted to the first setting height；
3) on the roof boarding of annex, complete the operations for forming of first time extension layer steel construction of described unsettled steel vestibule, then will become
The lower section of first time extension steel superstructure at described unsettled steel vestibule for the layer steel structure connection of the described unsettled steel vestibule after type,
Start described lifter the Ith, described lifter the IIth, described lifter III and described lifter IV, by described vestibule overhanging portion
Steel superstructure is promoted to the second setting height；
4) step 3 is repeated), until completing the connection of all lower extension layer steel construction of described unsettled steel vestibule；
5) described lifter the Ith, described lifter the IIth, described lifter III and described lifter IV are started, by whole described unsettled
Steel vestibule Integral synchronous is promoted to mounting design height；
6) described load push-pull the Ith, described load push-pull the IIth, described load push-pull III and described load push-pull IV are started, in the air by whole institute
State unsettled steel vestibule integral level to the right progressively sliding in place, make the right-hand member of described unsettled steel vestibule be bearing on slip support abutment,
Described slip support abutment is fixed on bracket, and described bracket is arranged on the structural column of B high building；Then by described unsettled steel vestibule
Left end links together with the permanent structure on A high building.
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| CN106437178A (en) * | 2016-10-21 | 2017-02-22 | 中建八局第三建设有限公司 | Integral lifting construction method and integral lifting construction device of veranda of multi-layer steel structure |
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| CN109779272A (en) * | 2019-03-18 | 2019-05-21 | 济南四建（集团）有限责任公司 | A kind of high-altitude steel structure corridor construction method |
| CN110778127A (en) * | 2019-11-12 | 2020-02-11 | 上海宝冶集团有限公司 | In-situ assembling and lifting construction aligning method for multilayer steel truss |
| CN110777938A (en) * | 2019-11-21 | 2020-02-11 | 香港华艺设计顾问(深圳)有限公司 | Suspension structure for additionally arranging prestressed steel stay cable in steel truss |
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| CN112523357A (en) * | 2020-09-04 | 2021-03-19 | 浙大城市学院 | Steel supporting cylinder-lower hanging type truss system with arc-shaped vertical face and large open hole and application |
| CN112523357B (en) * | 2020-09-04 | 2022-06-17 | 浙大城市学院 | Steel supporting cylinder-lower hanging type truss system with arc-shaped vertical face and large open hole and application |
| 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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