CN109252590A - A kind of huge diagonal brace of overlength superelevation and its seek connections with formula construction method - Google Patents
A kind of huge diagonal brace of overlength superelevation and its seek connections with formula construction method Download PDFInfo
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- CN109252590A CN109252590A CN201811269214.3A CN201811269214A CN109252590A CN 109252590 A CN109252590 A CN 109252590A CN 201811269214 A CN201811269214 A CN 201811269214A CN 109252590 A CN109252590 A CN 109252590A
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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
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
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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
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/30—Columns; Pillars; Struts
- E04C3/32—Columns; Pillars; Struts of metal
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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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- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Mechanical Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention discloses a kind of huge diagonal brace of overlength superelevation and its seek connections with formula construction method, diagonal brace is arranged between adjacent huge column in X-shaped, 4 endpoints of X-shaped diagonal brace are welded to each other integral structure between huge column respectively, several end to end X-shaped diagonal braces are equipped between adjacent huge column.The formula construction method of seeking connections with includes carrying out equitable subsection merogenesis to diagonal supporting member, according to segmentation situation, diagonal supporting member is used into support free construction method, utilize Midas's overall calculation, it determines the i.e. reinforcing pull rod or steel strut arrangement in integrated tooling arrangement, makes to form self-stabilization stress system between reinforcing pull rod or steel strut and diagonal brace, huge column；With finite element software modeling analysis, steel rod elements detail treatment is determined；It is simulated according to Midas's overall calculation result, finite element analysis software, establishes construction model and reinforcing pull rod or steel strut and analyzed with set of model, reinforcing pull rod, steel strut, crosshead tooling are designed using model, processed, are made according to detail drawing scene.
Description
Technical field
The present invention relates to super high steel structure outline border incline structures without support mounting technique field, and in particular to a kind of overlength
It the huge diagonal brace of superelevation and its seeks connections with formula and seeks connections with formula construction method without support.
Background technique
Recently as the continuous improvement of design level and construction technology, super high steel structure has obtained development at full speed.
The huge intercolumniation of outline border adds huge diagonal brace to increase the globality of structure, and the huge diagonal supporting member section of such steel construction is very big.
Just start after outer frame system and core cartridge system to several layers in the design phase sufficiently to increase head room in first floor hall
There is the connection of floor beam, causes huge diagonal brace jib-length too long, and huge diagonal brace tilt angle is big, brings to installation huge
Difficulty.
Summary of the invention
It is an object of the invention to overcome defect existing in the prior art, provide a kind of structure is simple, construction cost is low,
Structure is safe and reliable, convenient for constructing operation the huge diagonal brace of overlength superelevation and its seek connections with formula construction method.
To achieve the above object, the technical scheme is to design a kind of huge diagonal brace of overlength superelevation, the diagonal brace is in X
Shape is arranged between adjacent huge column, and 4 endpoints of X-shaped diagonal brace are welded to each other integral structure between huge column respectively, adjacent
Several end to end X-shaped diagonal braces are equipped between huge column.
Preferred technical solution is that the huge column is in y-type structure, and both the bottom of huge column was single huge column, and top is double joint
Huge column is in 20 °~30 ° angles between the huge column of double joint, and one end of the huge column of double joint is mutually passed through with single huge column, and the length of the huge column of double joint is
N times of single huge column length, wherein two bottom ends of the nethermost X-shaped diagonal brace of several end to end X-shaped diagonal braces are distinguished
It is welded to each other integral structure between single huge column, the 4 of two upper ends of nethermost X-shaped diagonal brace and remaining X-shaped diagonal brace
A endpoint is welded to each other integral structure between the huge column of double joint respectively.
Preferred technical solution is in addition, the single huge column, the huge column of double joint and X-shaped diagonal brace are mutually welded by several segments tube body
It is connected into overall structure, each of these section is respectively diagonal supporting member or is huge column component.
Further preferred technical solution is installation lifting lug to be equipped on every section of diagonal supporting member and lifting lug of unloading,
On every section of diagonal supporting member install lifting lug at least provided with 4, installation lifting lug setting position should meet ensure diagonal supporting member lifting when
Inclination angle it is 3~5 ° bigger than theoretical value.
Further preferred technical solution is in addition, be equipped with Core Walls Structure between the single huge column and the huge column branch of double joint, in list
Reinforcing pull rod, the steel strut for constructing operation are equipped between the huge column of root, the huge column of double joint, Core Walls Structure and diagonal supporting member, in diagonal brace structure
Part has the crosshead and operating platform for constructing operation.
A kind of huge diagonal brace of overlength superelevation seeks connections with formula construction method, and the formula construction method of seeking connections with includes following technique step
It is rapid:
The first step carries out equitable subsection merogenesis to diagonal supporting member, according to transport road conditions, site operation and tower crane operating condition, really
Determine that first segment diagonal supporting member length is 8m, the second~tetra- section diagonal supporting member length is that 9m, Section of five diagonal supporting member length are
4.5m, Section of six diagonal length are 5.1m, intermediate closing node is emerging font node；
Diagonal supporting member is used support free construction method according to segmentation situation by second step, using Midas's overall calculation,
It determines the i.e. reinforcing pull rod arrangement in integrated tooling arrangement, with Abaqus finite element software modeling analysis, determines steel rod elements thin portion
Node；
Third step is simulated according to Midas's overall calculation result, Abaqus finite element analysis software, is established with Tekla
Construction model and reinforcing pull rod are analyzed with set of model, so that analyze that installation diagonal supporting member at the scene can encounter various asks
Topic is predicted in advance and takes counter-measure in time；
Reinforcing pull rod, steel strut, crosshead tooling are designed by the 4th step using Tekla model, according to detail drawing scene into
Row processing, production.
Preferred technical solution is the wherein installation of first segment diagonal supporting member, will be positioned using welding on huge column in advance
Plate finds out suitable hoisting point position according to the dip member center of gravity of X-shaped diagonal brace, and principle is after first segment diagonal supporting member is sling than it
Mounting inclination angle degree is small.
Preferred technical solution will use in addition, the wherein installation of the second~tetra- section diagonal supporting member to first segment diagonal brace structure
Part finishes and after qualification of detecting a flaw with the welding of huge column intersecting mouth, then huge column is installed to the huge pillar height degree of setting reinforcing pull rod, suspension centre
Principle is 3~5 ° bigger than its mounting inclination angle degree after slinging；
When in the installation of the second~tetra- section diagonal supporting member, since inclination angle is bigger than theoretical value, top contacts first, in off the hook
In the process, the movement tendency of upper section diagonal supporting member is using contact point as axis rotation always until inclination angle reaches design value, entire right
Interface coincide, and saves connecting plate up and down and is connected firmly, installs reinforcing pull rod later, and reinforcing pull rod both ends weld seam is full penetration weld, to
It, can decoupling device after the completion of the welding of reinforcing pull rod both ends weld seam.
Further preferred technical solution is, wherein Section of four huge diagonal brace installation, huge column is installed to setting reinforcing pull rod
Huge pillar height degree, when the installation of Section of four diagonal supporting member, steel strut is set between two diagonal supporting members, in advance places reinforcing pull rod just
Position, while a diagonal supporting member is respectively lifted with two movable arm towers.After position reaches theoretical coordinate, connecting plate connection will be saved up and down
It securely, at this time can decoupling device then by steel rod elements firm welding.
Further preferred technical solution installs huge column to super in addition, when wherein the five~six section diagonal supporting member is installed
The height of diagonal supporting member to be installed is crossed, the five, the six section diagonal supporting members are connect with F7, F8 floor beam respectively, in order to guarantee
It realizes emerging font node structure, the relative coordinate of emerging font node need to be measured, the five, the six section diagonal supporting members were being installed
The relative coordinate sat in journey according to its Theoretical Design, determines its suitable coordinate；Emerging font node installation, by emerging font node installation
After in place, the counterpart of two trouser legs and the lower huge support of section is adjusted, after adjustment reaches code requirement, connected floor is installed and is reinforced
Welding.
The advantages and beneficial effects of the present invention are: the huge diagonal brace of overlength superelevation and its seek connections with formula construction method have knot
Structure is simple, construction cost is low, structure is safe and reliable, is convenient for the features such as constructing operation.It is sought connections with by using more piece multilayer without support
Formula construction method, reduce a large amount of backing material and production, installation, remove support needed for personnel, machinery, saved at
This, shortens preliminary preparation and ending time in later period, greatly increases construction efficiency, achieve splendid effect,
Reference, guidance are provided for the construction of similar engineering.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the huge diagonal brace of overlength superelevation of the present invention；
Fig. 2 is the diagonal supporting member structural schematic diagram in Fig. 1；
Fig. 3 is the constructing structure schematic diagram in the huge diagonal brace of overlength superelevation of the present invention.
In figure: 1, diagonal brace；1.1, diagonal supporting member；1.11, first segment diagonal supporting member；1.12, the second section diagonal supporting member；
1.13, third section diagonal supporting member；1.14, Section of four diagonal supporting member；1.15, Section of five diagonal supporting member；1.16, Section of six diagonal brace structure
Part；1.17, emerging font node；2, huge column；2.1, single huge column；2.2, the huge column of double joint；3, lifting lug is installed；4, it unloads lifting lug；5,
Core Walls Structure；6, reinforcing pull rod；7, steel strut；8, crosshead；9, operating platform.
Specific embodiment
With reference to the accompanying drawings and examples, further description of the specific embodiments of the present invention.Following embodiment is only
For clearly illustrating technical solution of the present invention, and not intended to limit the protection scope of the present invention.
As shown in Figures 1 to 3, the present invention is a kind of huge diagonal brace of overlength superelevation, and the diagonal brace 1 is arranged in X-shaped adjacent huge
Between column 1,4 endpoints of X-shaped diagonal brace 1 are welded to each other integral structure between huge column 2 respectively, set between adjacent huge column 2
There are several end to end X-shaped diagonal braces 1.
The preferred embodiment of the invention is that the huge column 2 is in y-type structure, and both the bottom of huge column 2 was single huge column 2.1,
Top is the huge column 2.2 of double joint, and the huge column 2.2 of double joint is in 25 ° of angles, and one end of the huge column 2.2 of double joint is passed through with single huge 2.1 phase of column, double
The length of root huge 2.2 is N times of single 2.1 length of huge column, wherein the nethermost X-shaped of several end to end X-shaped diagonal braces 1
Two bottom ends of diagonal brace 1 are welded to each other integral structure, two upper ends of nethermost X-shaped diagonal brace 1 with single huge column 2.1 respectively
And 4 endpoints of remaining X-shaped diagonal brace 1 are welded to each other integral structure between the huge column 2.2 of double joint respectively.
If the preferred embodiment of the invention in addition, the single huge column 2.1, the huge column 2.2 of double joint and X-shaped diagonal brace 1 by
Dry section tube body is welded to each other integral structure, and each of these section is respectively diagonal supporting member 1.1 or is huge column component.
Further preferred embodiment of the present invention is that installation 3 He of lifting lug is equipped on every section of diagonal supporting member 1.1
It unloads lifting lug 4, at least provided with 4, the position that installation lifting lug 3 is arranged should meet and ensure installation lifting lug 3 on every section of diagonal supporting member 1.1
Inclination angle when diagonal supporting member 1.1 lifts is 3~5 ° bigger than theoretical value.
Further preferred embodiment of the present invention between the single huge column 2.1 and 2.2, the huge column of double joint in addition, be equipped with
Core Walls Structure 5 is equipped between single huge column 2.1, the huge column 2.2 of double joint, Core Walls Structure 5 and diagonal supporting member 1.1 for constructing operation
Reinforcing pull rod 6, steel strut 7 have the crosshead 8 and operating platform 9 for constructing operation in diagonal supporting member 1.1.
A kind of huge diagonal brace of overlength superelevation seeks connections with formula construction method, and the formula construction method of seeking connections with includes following technique step
It is rapid:
The first step carries out equitable subsection merogenesis to diagonal supporting member 1.1, according to transport road conditions, site operation and tower crane operating condition,
Determine that 1.11 length of first segment diagonal supporting member is 8m, 1.12~1.14 length of the second~tetra- section diagonal supporting member is 9m, Section five
1.15 length of diagonal supporting member is 4.5m, Section of six 1.16 length of diagonal is 5.1m, intermediate closing node is emerging font node
1.17；
Diagonal supporting member 1.1 is used support free construction method, is integrally counted using Midas by second step according to segmentation situation
It calculates, determines that the reinforcing pull rod 6 in integrated tooling arrangement is arranged, with Abaqus finite element software modeling analysis, determine that steel rod elements 6 are thin
Portion's node；
Third step is simulated according to Midas's overall calculation result, Abaqus finite element analysis software, is established with Tekla
Construction model and reinforcing pull rod 6 are analyzed with set of model, thus analyze installation diagonal supporting member 1.1 at the scene can encounter it is various
Problem is predicted in advance and takes counter-measure in time；
Reinforcing pull rod 6, steel strut 7,8 tooling of crosshead are designed by the 4th step using Tekla model, existing according to detail drawing
Field is processed, is made.
The preferred embodiment of the invention is the wherein installation of first segment diagonal supporting member 1.11, will be using in advance in huge column 2
Upper welding location-plate finds out suitable hoisting point position according to the dip member center of gravity of X-shaped diagonal brace, and principle is first segment diagonal supporting member
1.11 sling after it is smaller than its mounting inclination angle degree.
The preferred embodiment of the invention will adopt in addition, the wherein installation of the second~tetra- section diagonal supporting member 1.12~1.14
With being finished after first segment diagonal supporting member 1.11 with the welding of huge 2 intersecting mouth of column and after qualification of detecting a flaw, then by the installation of huge column 2 to being arranged
2 height of huge column of reinforcing pull rod 6, suspension centre principle are 3~5 ° bigger than its mounting inclination angle degree after slinging；
When in the installation of the second~tetra- section diagonal supporting member 1.12~1.14, since inclination angle is bigger than theoretical value, top is first
Contact, during off the hook, it is axis rotation until inclination angle reaches that the movement tendency of upper section diagonal supporting member 1.1, which is using contact point always,
Design value, entire tone of docking close, save connecting plate up and down and be connected firmly, install reinforcing pull rod 6 later, 6 both ends weld seam of reinforcing pull rod is equal
It can decoupling device after the completion of the welding of 6 both ends weld seam of reinforcing pull rod for full penetration weld.
Further preferred embodiment of the present invention is, wherein Section of four diagonal supporting member installation 1.14, extremely by the installation of huge column 2
Steel strut is arranged when Section of four diagonal supporting member 1.14 is installed in 2 height of huge column that reinforcing pull rod 6 is arranged between two diagonal supporting members 1.1
7, reinforcing pull rod 6 is placed in position in advance, while respectively lifting a diagonal supporting member 1.1 with two movable arm towers.Position reaches theoretical
After coordinate, upper and lower section connecting plate is connected firmly, then by 6 firm welding of steel rod elements, it at this time can decoupling device.
Further preferred embodiment of the present invention is in addition, wherein the five~six section diagonal supporting member 1.15~1.16 is installed
When, by the installation of huge column 2 to being more than to install the height of diagonal supporting member 1.1, the five, the six section diagonal supporting members 1.15,1.16 respectively with
The connection of F7, F8 floor beam, need to be by the opposite of emerging font node 1.17 in order to guarantee to realize emerging 1.17 structure of font node
Measurement of coordinates comes out, the opposite seat that the five, the six section diagonal supporting members 1.15,1.16 are sat according to its Theoretical Design during the installation process
Mark, determines its suitable coordinate；Emerging font node 1.17 is installed, by emerging font node 1.17 install it is in place after, adjust two trouser legs with
The counterpart of the lower huge support of section after adjustment reaches code requirement, installs connected floor and carries out reinforcing welding.
Embodiment 1
As shown in Figure 1, for 94 floor of super high steel structure engineering high building ground, 4 layers of underground, building height 428m.Tower
Building plane quadrangle is respectively disposed with huge frame column, mega-frame column section Φ 4200*80.High building integrally resists to improve structure
Lateral force arranges huge X-shaped diagonal brace 1 in four facades between huge column 2, and each facade respectively has 7 huge X-shapeds oblique 1, wherein
Bottom one layer huge X-shaped diagonal brace 1 (- 7.95m~35.33m) member section maximum Φ 2800*80, outer frame system and core
First of floor beam is arranged in cylinder 5 at F7 layers (26.85m).
Construction Difficulties
It is the whole world by the huge column 2 of double inclinations that huge frame column Φ 4200*80 and huge X-shaped diagonal brace 1 are made of Φ 2800*80
Maximum phase passes through docking in super high-rise building, and the two huge column angles of inclination are 25 °.This intersection welding seam welding difficulty is high.
Since huge diagonal brace mutually passes through on huge frame column, on downward projection, center line is not overlapped the two huge columns 2 of inclination.
It is irregular when installing positioning to follow, therefore be accurately positioned to measurement and bring huge challenge.
It is closed from passing through with huge 2 phase of column to F9 layers, 1 length of X-shaped diagonal brace reaches 50m, weight about 268.3t.It need to rationally plan to be segmented
Merogenesis requires technique preparation high.
It which kind of installation method to be the most important thing of this huge diagonal brace mount scheme using.Not only safe and reliable, but also save the cost.
It needs to select suitable suspension centre, it is ensured that angle is consistent with theoretical value after lifting.
Huge diagonal brace installs performance analysis.
Huge diagonal brace merogenesis and suspension centre analysis.
As shown in Fig. 2, entire huge 1 length of diagonal brace reaches 50m, according to live tower crane arrangement and performance, every section diagonal brace weight
No more than 60t.The method installed using more piece multilayer, diagonal supporting member 1.1 is using 4 points of liftings, by designing suspension centre position in advance
It sets and rope capacity, it is ensured that inclination angle when diagonal supporting member 1.1 lifts is 3~5 ° bigger than theoretical value, in this way when upper section diagonal brace
When component 1.1 is docked with lower section diagonal supporting member 1.1, upper section diagonal supporting member 1.1 only needs off the hook to can be completed in place, improves construction
Efficiency.
Huge diagonal brace mount scheme analysis.
Diagonal supporting member 1.1 sets reinforcing pull rod 6 in huge column 2 pull-up using no Construction of Supporting process Installation.Pass through technology point
X-shaped diagonal brace is divided into 6 sections after analysis, and diagonal supporting member 1.1 is using installation method construction from bottom to top section by section.
It is compared without support installation with traditional measures
As shown in figure 3, since 1.1 weight of this engineering diagonal supporting member is big, according to on-site actual situations and concrete floor
Bearing capacity, therefore using no method for supporting install.Specifically: it is huge with outline border that second and third is saved into huge diagonal supporting member 1.12,1.13
2 drawknot of column, to reduce vertical load；Third and fourth section diagonal supporting member 1.13,1.14 needs and 5 drawknot of core shell, that is, guarantees
Planar stability；Section four, steel strut 7 is set between diagonal supporting member, and offset each other horizontal force；Five, the six section diagonal supporting members and building
(F7 layers, F8 layers) of beam connection of layer.All reinforcing pull rods 6, steel strut 7 it is unwelded securely before, tower crane can not decoupling device.Diagonal supporting member
1.1 divide into crosshead 8, and crosshead 8 is not subject to huge support load, only personnel's lower channel.
Huge diagonal brace seeks connections with formula construction method
Technical preparation
Equitable subsection merogenesis is carried out to diagonal supporting member 1.1.According to transport road conditions, site operation and tower crane operating condition etc., determine
1.11 length of first segment diagonal supporting member is 8m, 1.12~1.14 length of the second~tetra- section diagonal supporting member is 9m, Section of five diagonal brace
1.15 length of component is 4.5m, Section of six 1.16 length of diagonal supporting member is 5.1m, intermediate closing node is emerging font node 1.17.
According to segmentation actual conditions, diagonal supporting member is relatively high to technical requirements using no Construction of Supporting process.It utilizes
Midas's overall calculation determines that integrated tooling arrangement i.e. reinforcing pull rod 6 is arranged.With Abaqus finite element software modeling analysis, really
Determine 6 detail treatment of reinforcing pull rod.
According to analysis modes such as Midas, Abaqus finite element softwares.Construction model and reinforcing pull rod 6 are established with Tekla
It is analyzed with set of model, the various problems that huge diagonal brace can encounter is installed at the scene to analyze, predicted in advance and timely
Take counter-measure.
The toolings such as reinforcing pull rod 6, crosshead 8 are subjected to Deepen Design using Tekla model, are carried out according to in-depth detail drawing scene
Processing, production.
Hoisting
First segment diagonal supporting member 1.11 is installed；
Since diagonal supporting member mutually passes through on huge frame column, on downward projection, center line is not overlapped the two huge columns 2 of inclination.
The installation positioning of first segment diagonal supporting member 1.11 moves towards problem concerning to entire huge X-shaped diagonal brace 1.It need to shift to an earlier date and be welded on huge column 2
Connect positioning plate, suitable hoisting point position found out according to dip member center of gravity, principle be after first segment diagonal supporting member 1.11 is sling than
Its mounting inclination angle degree is small.
The installation of the second~tri- section diagonal supporting member 1.12,1.13；
It is finished and after qualification of detecting a flaw after first segment diagonal supporting member 1.11 and the welding of huge 2 intersecting mouth of column, then extremely by the installation of huge column 2
2 height of huge column of reinforcing pull rod 6 is set.Suspension centre principle is 3~5 ° bigger than its mounting inclination angle degree after slinging.
When installing diagonal supporting member 1.1, since inclination angle is bigger than theoretical value, top contacts first, during off the hook, upper section
The movement tendency of diagonal supporting member 1.1 is using contact point as axis rotation until inclination angle reaches design value always, and entire tone of docking is closed.
Section connecting plate is connected firmly up and down, installs reinforcing pull rod 6 later, 6 both ends weld seam of reinforcing pull rod is full penetration weld, to reinforcing pull rod two
It, can decoupling device after the completion of holding weld seam welding.
Section four, the installation of diagonal supporting member 1.14；
By huge column 2 installation to huge 2 height of column of setting reinforcing pull rod 6, when Section of four diagonal supporting member 1.14 is installed, it is contemplated that intermediate
Spacing is smaller, therefore steel strut 7 is arranged between two huge supports.Reinforcing pull rod 6, steel strut 7 are placed in position in advance, while with two movable arm towers
Respectively one diagonal supporting member 1.1 of lifting.After position reaches theoretical coordinate, connecting plate is saved up and down and is connected firmly, then reinforcing pull rod 6 is welded
It connects securely, it at this time can decoupling device.
The installation of five~six section diagonal supporting member 1.15,1.16；
By the installation of huge column 2 to more than the height that install diagonal supporting member 1.1.Five, the six section diagonal supporting members respectively with F7, F8
Floor beam connection, in order to guarantee to realize the perfect closure of emerging font node 1.17.It need to be by " trouser legs " of emerging font node 6
Relative coordinate is measured.Five, the six section diagonal supporting members 1.15,1.16 are during the installation process according to its Theoretical Design coordinate, " trousers
The relative coordinate of leg " determines its suitable coordinate.Other methods principle is the same as above-mentioned.
The installation of emerging font node 1.17；
Emerging font node 1.17 can perfect closure be entire diagonal supporting member 1.1 the most important thing.By emerging font node
After 1.17 installations are in place, the counterpart of two " trouser legs " and the lower huge support of section is adjusted.After adjustment reaches code requirement, connected floor is installed
And carry out reinforcing welding.
Huge diagonal brace surveillance and control measure
Measurement control
Three-dimensional coordinate at intersecting mouth is found out in BIM model, using total station setting-out, is released and is fixed temporarily on huge column 2
The position of plate, and weld.Wherein 5 pieces of lower section is fixed temporarily the lateral profile that plate is intersecting mouth.
First segment diagonal supporting member 1.11 is lifted, 5 pieces of lower section is fixed temporarily plate and fixes diagonal supporting member bottom, at this time first segment
Diagonal supporting member 1.11 is interim in place.
(highest suitable for reading is selected by the three-dimensional coordinate that BIM model finds out diagonal supporting member required 4 control points suitable for reading
Point, minimum point and its left and right two o'clock).
Measurement of coordinates and correction are carried out to each control point in periphery with total station cooperation prism, checks and accepts after passing through and starts before welding
Welding.
Pilot measurement control point after the completion of welding measures capital three-dimensional coordinate again, provides survey for the installation of upper section diagonal supporting member 1.1
The foundation of correction is measured, is so recycled.Diagonal supporting member is installed to Section four according to above-mentioned steps.
Need to do following preparation before installing the installation of the five, the six section diagonal supporting members: 1, Section of four diagonal supporting member of has been completed
Finish.2, the relative dimensional coordinate of the emerging font node 1.17 of measure field.3, emerging font node 1.17 is simulated to interface by BIM
Physical location.4, Section of four diagonal supporting member three-dimensional coordinate suitable for reading of repetition measurement simulates big node by BIM and current Section four huge
The goodness of fit of support, and find best docking location and its three-dimensional coordinate.
Five, the six section diagonal supporting members measuring control point suitable for reading is installed and is subject to most advantageous three-dimensional coordinate.Complete emerging font node
Installation measurement.
By using more piece multilayer without support installation technology, reduces a large amount of backing material and production, installation, removes branch
Personnel, machinery needed for support, have saved cost, shorten preliminary preparation and ending time in later period, greatly increase and apply
Work efficiency rate achieves splendid effect, also provides reference, guidance for the construction of similar engineering.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvements and modifications can also be made, these improvements and modifications
Also it should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of huge diagonal brace of overlength superelevation, which is characterized in that the diagonal brace is arranged between adjacent huge column in X-shaped, X-shaped diagonal brace
4 endpoints integral structure is welded to each other between huge column respectively, between adjacent huge column be equipped with several end to end X
Shape diagonal brace.
2. the huge diagonal brace of overlength superelevation according to claim 1, which is characterized in that the huge column is in y-type structure, both huge column
Bottom be single huge column, it is in 20 °~30 ° angles, one end of the huge column of double joint and list between the huge column of double joint that top, which is double joint huge column,
The huge column of root mutually passes through, and the length of the huge column of double joint is N times of single huge column length, and wherein several end to end X-shaped diagonal braces are most
Two bottom ends of following X-shaped diagonal brace are welded to each other integral structure between single huge column respectively, nethermost X-shaped diagonal brace
4 endpoints of two upper ends and remaining X-shaped diagonal brace are welded to each other integral structure between the huge column of double joint respectively.
3. the huge diagonal brace of overlength superelevation according to claim 2, which is characterized in that the single huge column, the huge column of double joint and X
Shape diagonal brace is welded to each other integral structure by several segments tube body, and each of these section is respectively diagonal supporting member or is huge column structure
Part.
4. the huge diagonal brace of overlength superelevation according to claim 3, which is characterized in that be all provided on every section of diagonal supporting member
There is installation lifting lug and lifting lug of unloading, at least provided with 4, the position of installation lifting lug setting should expire installation lifting lug on every section of diagonal supporting member
Foot ensures that inclination angle when diagonal supporting member lifts is 3~5 ° bigger than theoretical value.
5. the huge diagonal brace of overlength superelevation according to claim 4, which is characterized in that the single huge column, the huge column of double joint,
It is equipped with reinforcing pull rod, the steel strut for constructing operation between Core Walls Structure and diagonal supporting member, has in diagonal supporting member for constructing
The crosshead and operating platform of operation.
6. a kind of huge diagonal brace of overlength superelevation as described in any one of Claims 1 to 5 seeks connections with formula construction method, feature
It is, the formula construction method of seeking connections with comprises the technical steps that:
The first step carries out equitable subsection merogenesis to diagonal supporting member, according to transport road conditions, site operation and tower crane operating condition, determines the
One section diagonal supporting member length is 8m, the second~tetra- section diagonal supporting member length be 9m, Section of five diagonal supporting member length is 4.5m,
Six section diagonal length are 5.1m, intermediate closing node is emerging font node；
Second step is integrally counted by diagonal supporting member using formula support free construction method is sought connections with using Midas according to segmentation situation
It calculates, determines the i.e. reinforcing pull rod or steel strut arrangement in integrated tooling arrangement, make shape between reinforcing pull rod or steel strut and diagonal brace, huge column
At self-stabilization stress system；With Abaqus finite element software modeling analysis, steel rod elements detail treatment is determined；
Third step is simulated according to Midas's overall calculation result, Abaqus finite element analysis software, establishes and construct with Tekla
Model and reinforcing pull rod are analyzed with set of model, to analyze the various problems that installation diagonal supporting member can encounter at the scene, are mentioned
Preceding precognition simultaneously takes counter-measure in time；
Reinforcing pull rod, steel strut, crosshead tooling are designed using Tekla model, are added according to detail drawing scene by the 4th step
Work, production.
7. the huge diagonal brace of overlength superelevation according to claim 6 seeks connections with formula construction method, which is characterized in that wherein first
The installation of diagonal supporting member is saved, conjunction will be found out according to the dip member center of gravity of X-shaped diagonal brace using the welding location-plate on huge column in advance
Suitable hoisting point position, principle are bigger than its mounting inclination angle degree after first segment diagonal supporting member is sling.
8. the huge diagonal brace of overlength superelevation according to claim 7 seeks connections with formula construction method, which is characterized in that wherein second
The installation of~tetra- section diagonal supporting members, will be using finishing to first segment diagonal supporting member with the welding of huge column intersecting mouth and qualification of detecting a flaw
Afterwards, then by huge column install to setting reinforcing pull rod huge pillar height degree, suspension centre principle be sling after it is bigger by 3 than its mounting inclination angle degree~
5°；
When in the installation of the second~tetra- section diagonal supporting member, since inclination angle is bigger than theoretical value, top contacts first, in off the hook process
In, it is axis rotation until inclination angle reaches design value, entirely to interface that the movement tendency of upper section diagonal supporting member, which is using contact point always,
It coincide, saves connecting plate up and down and be connected firmly, reinforcing pull rod is installed later, reinforcing pull rod both ends weld seam is full penetration weld, is drawn to steel
It, can decoupling device after the completion of the welding of bar both ends weld seam.
9. the huge diagonal brace of overlength superelevation according to claim 8 seeks connections with formula construction method, which is characterized in that wherein the 4th
Huge diagonal brace installation is saved, huge column is installed to the huge pillar height degree of setting reinforcing pull rod, when Section of four diagonal supporting member is installed, in two diagonal braces
Steel strut is set between component, is in advance placed in position steel strut, while respectively lifting a diagonal supporting member with two movable arm towers,
After position reaches theoretical coordinate, upper and lower section connecting plate is connected firmly, then by steel strut both ends and diagonal brace firm welding, at this time just
It can decoupling device.
10. the huge diagonal brace of overlength superelevation according to claim 9 seeks connections with formula construction method, which is characterized in that wherein
When five~six section diagonal supporting members are installed, huge column is installed to more than the height that install diagonal supporting member, the five, the six section diagonal supporting members
It connect with F7, F8 floor beam, in order to guarantee to realize emerging font node structure, the opposite of emerging font node need to be sat respectively
Mark is measured, the relative coordinate that the five, the six section diagonal supporting members are sat according to its Theoretical Design during the installation process, determines that it is suitable
Coordinate；Emerging font node installation, by emerging font node installation it is in place after, adjust two trouser legs and the lower huge support of section counterpart, be adjusted to
Up to after code requirement, connected floor beam is installed and carries out reinforcing welding.
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