CN105756356B - A kind of steel pipe column casing mounting and adjusting alignment methods - Google Patents
A kind of steel pipe column casing mounting and adjusting alignment methods Download PDFInfo
- Publication number
- CN105756356B CN105756356B CN201610169046.5A CN201610169046A CN105756356B CN 105756356 B CN105756356 B CN 105756356B CN 201610169046 A CN201610169046 A CN 201610169046A CN 105756356 B CN105756356 B CN 105756356B
- Authority
- CN
- China
- Prior art keywords
- steel pipe
- pipe column
- column casing
- steel
- hanging
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- 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
-
- 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
-
- 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
- E04G21/18—Adjusting tools; Templates
- E04G21/1841—Means for positioning building parts or elements
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention discloses a kind of steel pipe column casing mounting and adjusting alignment methods, it is characterised in that slings steel pipe column casing to be installed to face position above mounted steel pipe column casing by tower crane；Steel pipe column casing lateral surface at top and bottom each have two circumferentially on be separated by quadrant radian vertically arranged control bus, when adjusting hanging steel pipe column casing position, side-lower sets up two theodolites outside the control bus of hanging steel pipe column casing, observed by theodolite on the basis of bus and when two buses of bottom outside hanging steel pipe column casing are equal and two buses in the mounted outside upper portion of steel pipe column casing in lower section each align point-blank, judge hanging steel pipe column casing position leveling alignment.The present invention has and can preferably be beneficial to regulation and realize installation alignment, with lifting construction efficiency, the advantages of ensureing construction quality.
Description
Technical field
The invention belongs to high building project construction field, and in particular to a kind of steel pipe column casing mounting and adjusting alignment methods.
Background technology
Core wall structure, belong to high building structure.It is exactly that periphery is the frame stressing being made up of beam column for simple
System, and centre is cylinder（Such as elevator）, because cylinder is in centre, referred to as Core Walls Structure, also known as " framework-Core Walls Structure
Structure ".Such a structure is advantageous to structure stress, and has extremely excellent shock resistance.It is that high-rise building is adopted extensively in the world
Main flow structure type.Meanwhile the superiority of this structure also resides in the use space that can strive for spaciousness as far as possible, makes various auxiliary
The servant space is helped into the centralized of plane, makes the daylighting position that function of tonic chord volume exclusion is optimal, and reach sight it is good,
The convenient effect of internal transportation.In core wall structure, as the beam column construction of main load effect, typically poured with armored concrete
Build, while need to have higher intensity and load requirement.
Steel pipe column（That is steel core concrete column）Refer to, the fill concrete in steel pipe and formed and steel pipe and its core are mixed
Solidifying soil can bear the architectural support structure component of external load effect jointly, different by section form, can be divided into concrete filled steel tube
With quadrate steel pipe column etc., in steel pipe column, steel pipe makes concrete be in three dimension stress state to the effect of contraction of its inner concrete, carries
The high compression strength of concrete；The concrete of steel duct can effectively prevent steel pipe from local buckling occurs again.Study table
Bright, the high capacity of steel pipe column is in corresponding steel pipe columns bearing capacity and concrete column bearing capacity sum.Between steel pipe and concrete
Interaction the destruction of steel duct concrete is changed into plastic failure by brittle break, the ductile performance of component substantially changes
Kind, energy dissipation capacity greatly improves, and has superior anti-seismic performance.
Due to the above-mentioned advantage of steel pipe column, therefore in skyscraper especially high-rise building, the beam column construction of Core Walls Structure is usually
Obtained using steel pipe rod structure.But in skyscraper especially high-rise building, using the Core Walls Structure beam column construction of steel pipe column
Load is big, and requires high to various aspects of performance, therefore is designing and still having many difficult points in work progress.
The patent for the Application No. 201410392150.1 that applicant once applied, disclose a kind of Large-diameter Steel tubing string post
Pin construction method of installation, it is able to ensure that steel pipe column suspension column construction quality, can be used for the post of Core Walls Structure beam column construction steel pipe column
Pin is constructed.
Meanwhile construct for convenience, applicant considers that quadrate steel pipe column structure on suspension column is corresponded into every layer of architecture storey is all provided with
The section of meter one forms more piece monolayer steel pipe post, completes often to save the construction of monolayer steel pipe post successively from top to bottom, often saves monolayer steel pipe post and apply
Man-hour is using the steel pipe column casing for being externally provided with bracket basis and completes the construction of bracket on this layer of steel pipe column；Bracket basis is included up and down
It is in horizontally disposed annular steel facing that interval, which is fixedly welded on two pieces of steel pipe column tube outer surface, in addition to annular steel facing surrounding
One section of cross section that direction is horizontally outward welded and fixed is in the i shaped steel of I-shaped, in addition to is arranged on annular steel facing and I-shaped
The components such as beam steel, stirrup, waist muscle, card muscle and arched ribs on shaped steel.In such manner, it is possible to the convenient construction to each layer building, together
When the bracket basis that sets can improve the node strength that steel pipe column connects with crossbeam well.
Wherein, during the specific handling installation of every layer of steel pipe column casing, applicant is considered as tower crane and carries out handling and make
Obtain steel pipe column casing to be installed and be in vacant state, when reserving weld seam and carry out welded and installed, but installing, how could preferably be beneficial to
Installation alignment is realized in regulation, with lifting construction efficiency, ensures that construction quality turns into the problem of needing further to be considered.
The content of the invention
For above-mentioned the deficiencies in the prior art, the technical problems to be solved by the invention are：It is more preferable how a kind of energy is provided
Ground is beneficial to regulation and realizes installation alignment, with lifting construction efficiency, ensures the steel pipe column casing mounting and adjusting alignment methods of construction quality.
In order to solve the above-mentioned technical problem, present invention employs following technical scheme：
A kind of steel pipe column casing mounting and adjusting alignment methods, it is characterised in that by tower crane by steel pipe column casing to be installed sling to
Face position above mounted steel pipe column casing；Each there are two at top and bottom along week in steel pipe column casing lateral surface
It is separated by the vertically arranged control bus of the radian of quadrant upwards, when adjusting hanging steel pipe column casing position, outstanding
The outer side-lower of the control bus of empty steel pipe column casing sets up two theodolites, is observed by theodolite on the basis of bus when hanging
The outer bottom of steel pipe column casing two buses and two buses in the mounted outside upper portion of steel pipe column casing in lower section are each aligned in one
When on straight line, hanging steel pipe column casing position leveling alignment is judged.
So, it is in the bus for judging to set using theodolite observation in two mutually orthogonal directions below steel pipe column casing
It is no all point-blank to judge whether steel pipe column casing is aligned up and down, with simple and fast and accurately auxiliary it can realize that alignment is sentenced
It is disconnected, the accuracy of steel pipe column casing alignment is improved, the beam column axial line obtained after guarantee docking is consistent, ensures beam column quality.
As optimization, four blocks of water being uniformly distributed circumferentially each are welded with close to end in steel pipe column casing upper and lower ends
The flat otic placode to stretch out, in four pieces of otic placodes of steel pipe column casing upper end, otic placode outer end also has to be fixedly installed straight up
Supporting plate, supporting plate upper end forms jack horizontal supporting portion beyond steel pipe column casing upper surface position and the part that exceeds；Together
When adjusting hanging steel pipe column casing position, by two vertically arranged jack apical graftings in hanging steel pipe column casing corresponding tilt
Steel pipe column casing top has been installed each between two otic placodes of face in two otic placodes of the bottom of direction both sides and lower section, then by two
Individual horizontally disposed jack radially apical grafting installed in lower section two other otic placode of steel pipe column casing top supporting plate thousand
Between jin top horizontal supporting portion and the lower side surfaces of hanging steel pipe column casing, by the flexible of four jack of control, realize
Alignment leveling is realized in adjustment to hanging steel pipe column casing position.
So, by between two pairs of otic placodes up and down of two vertically arranged jack apical grafting incline directions, in addition two
Individual jack along back position horizontal radial apical grafting in hanging steel pipe column lower side surfaces, can be conveniently by the top of jack
Go out adjustment, the steel pipe column casing of rotation inclined upward state makes it adjust to vertical state, has simple to operate and clamping can
Lean on, adjust the characteristics of controllability is good.
As optimization, after steel pipe column casing is lifted to face position above mounted steel pipe column casing by tower crane, in lower section
Mounted steel pipe column casing lateral surface sets support meanss close to upper end position, and the support meanss include the anchor ear of two sections of arcs
Piece, anchor ear piece arc is consistent with steel pipe column casing lateral surface arc and anchor ear piece both ends stretch out to form anchor ear connecting portion, anchor ear
Bolt hole is provided with connecting portion and is docked by connecting bolt, two sections of anchor ear pieces are circumferentially relative to be closely attached on steel pipe column casing lateral surface
Afterwards, the gap less than connecting bolt length is left between relative anchor ear connecting portion, and for passing through bolt hole by connecting bolt
Anchor ear piece is held tightly and is fixed to steel pipe column casing lateral surface by docking, every section of anchor ear piece lateral surface be at least fixedly installed two levels to
The horizontal support member of outer extension.
So so that operator can carry out steel pipe column cylinder Levelling operation under safety rope protection on standing support device；
Support meanss have it is simple in construction, it is fixed reliable, it is easy to operate the characteristics of.Further, horizontal support member is welded for support angle steel
Anchor ear piece lateral surface is connected to obtain.Yet further, horizontal support member outer end face has the installation being fixedly installed straight up
Pillar.
In summary, the present invention, which has, can preferably be beneficial to regulation realization installation alignment, with lifting construction efficiency, ensure to apply
The advantages of working medium amount.
Brief description of the drawings
Fig. 1 is that use is externally provided with a kind of core tube of high-rise building beam column construction construction method for employing the present invention
The structure schematic diagram of the steel pipe column casing on bracket basis.
Fig. 2 is that pouring for use is auxiliary in a kind of core tube of high-rise building beam column construction construction method for employing the present invention
Help the structure schematic diagram of device.
Fig. 3 is Fig. 2 top view.
Fig. 4 is steel pipe column casing handling in a kind of core tube of high-rise building beam column construction construction method for employing the present invention
Alignment procedures schematic diagram.
Fig. 5 is the schematic diagram for the handling alignment adjustment supplementary structure that steel pipe column casing docking location can be shown in Fig. 4.
Fig. 6 is the support dress of use in a kind of core tube of high-rise building beam column construction construction method for employing the present invention
The structural representation put.
Fig. 7 is the structural representation of monolithic anchor ear piece in Fig. 6.
Fig. 8 is the protection dress of use in a kind of core tube of high-rise building beam column construction construction method for employing the present invention
The structural representation put.
Fig. 9 is the schematic diagram of independent top surface Rotating fields in Fig. 8.
Figure 10 is the schematic diagram of independent bottom surface Rotating fields in Fig. 8.
Figure 11 is the arc mould of use in a kind of core tube of high-rise building beam column construction construction method for employing the present invention
Structural representation.
Embodiment
With reference to a kind of core tube of high-rise building beam column construction construction method for employing the present invention and accompanying drawing to this hair
It is bright to be described in further detail.
A kind of optimal embodiment of core tube of high-rise building beam column construction construction method, this construction method include completing steel
The step of suspension column construction of tubing string, its feature is, quadrate steel pipe column structure on suspension column is corresponded into every layer of architecture storey designs one
Section forms more piece monolayer steel pipe post, completes often to save the construction of monolayer steel pipe post successively from top to bottom, when often saving the construction of monolayer steel pipe post
Using the steel pipe column casing for being externally provided with bracket basis and complete the construction of bracket on this layer of steel pipe column.
So, when core tube of high-rise building beam column construction is constructed, beam column construction is formed by the way of steel pipe column, can
Guarantee has preferable structural strength, meets skyscraper load bearing support requirement.Steel pipe column is designed as corresponding first floor design one
Section, constructs successively from top to bottom, often saves and bracket basis is provided with outside steel pipe column, in favor of realizing the crossbeam to the floor by bracket
With the construction of floor, integral construction efficiency is built beneficial to improving.
In present embodiment, the bracket is to be formed with bracket basis for core casting concrete, and bracket includes annular
Bracket body, bracket body surrounding horizontally outward extend the crossbeam of four rectangular in cross-section of connection, have in crossbeam and forward extend
The beam steel of setting.
So, bracket basis can facilitate the setting of bracket and improve intensity, and bracket uses loop configuration, it is possible to increase
Crossbeam and steel pipe column junction bonding strength.Meanwhile realize the combining structure shape of steel core concrete column and reinforced beam
Formula, shock resistance is higher, can effectively ensure that Vierendeel girder internal force transmission, reaches design requirement.
In present embodiment, bracket basis is as shown in figure 1, including between the upper and lower every being fixedly welded on outside steel pipe column casing 1
Two pieces of surface are in horizontally disposed annular steel facing 2, upper annular steel facing upper surface to lower endless steel facing lower surface
Distance is less than bracket body thickness, and the annular external diameter of steel facing 2 is less than bracket body external diameter, and the annular peripheral direction of steel facing 2 is horizontal
The i shaped steel 3 that one section of cross section is in I-shaped is outwards welded with, the thickness and width of i shaped steel 3 is respectively less than the thickness of crossbeam
And width.
So, bracket basis processes shaped steel structure into can preferably improve and subsequently pour what is obtained using doughnut-shaped steel plate
The intensity of annular bracket, key foundation of the i shaped steel as transverse end head section, drastically increases the combination of crossbeam and bracket
Intensity, improve architecture storey floor entirety weight capacity.
In the bracket basis of present embodiment, the horizontal rank in annular steel facing upper surface of the upper surface of i shaped steel 3 and top
Connect, the horizontal linking in annular steel facing lower surface of the lower surface of i shaped steel 3 and lower section, preferably improve the globality on bracket basis
To ensure final bracket intensity.Further, it is welded with i shaped steel 3 some along i shaped steel length direction to extension
The beam steel 4 stretched, so facilitate setting and the subsequent construction of beam steel.Further, beam steel 4 is fixedly welded on i shaped steel
Position on the respective uper side surface in 3 upper and lower parts to facilitate welding procedure and fixing point conveniently vibrates after subsequently pouring
Put, structural strength is high, beneficial to the final Building Structure Strength of raising.Further, the outer surface of i shaped steel 3 also covers in the width direction
Provided with some stirrups 5, stirrup 5 is intervally arranged along i shaped steel length direction；Subsequent structural intensity so can be preferably improved,
The both sides of stirrup 5 can also further weld the waist muscle 6 extended along i shaped steel length direction simultaneously, strong further to improve structure
Degree.Further, be also associated with some card muscle 7 on the annular steel facing between i shaped steel 3, the middle part of card muscle 7 it is vertically arranged and
Clamping and annular steel facing upper surface up is welded and fixed after card muscle upper end bends inwards, after the lower end of card muscle 7 bends inwards
Clamping and the annular steel facing lower surface for being weldingly fixed on lower section, card muscle 7 are set along annular steel facing outer surface arc uniform interval
Put, the middle part inner surface of card muscle 7 is also welded with some arched ribs 8 in the horizontal direction, and the middle part of arched ribs 8 is in and annular steel
The consistent arc of panel outer surface radian, the both ends of arched ribs 8 are fixedly connected on after being folded to along i shaped steel side on waist muscle 5, arc
Shape muscle 8 is uniformly distributed along short transverse.It so can preferably improve the knot of the bracket subsequently obtained position between crossbeam
Structure intensity, and the structure bonding strength between crossbeam and bracket.
In present embodiment, in the bracket basis, annular steel facing surface above and positioned at i shaped steel 3
Uper side surface is provided with the downward perforation 9 being used for for vibrating spear insertion.So, it can preferably pour and apply beneficial to bracket
Work, improve bracket pouring quality.As optimization, 9 sizes of perforation are diameter 50mm, and perforation spacing is 100-200mm, and the size will
The perforation asked, when can be preferably for subsequently pouring vibrating spear insertion vibrate to improve the pouring quality of node concrete, also can
Exhaust when enough being more conducive to vibrate, while the influence perforated to structural strength can be avoided.
In present embodiment, often save the construction of monolayer steel pipe post and specifically include following steps：
A, using foundation of the BIM technology realization to each component model of monolayer steel pipe post and to each component blanking, steel pipe is completed
The welding of annular steel facing and i shaped steel in the outer bracket basis of column casing, complete to transport to scene after construction material is examined；
B, the on-site hoisting welding of steel pipe column casing is completed；
C, set up for the support of floor crossbeam and floor slab construction where completing this layer of steel pipe column；
D, installed by the supporting that support is the bottom surface mould that platform first completes bracket mould, then complete the beam in bracket basis
Reinforcing bar, stirrup, waist muscle, card muscle and the respective welding of arched ribs or installation are fixed；Synchronously completed during this in steel pipe column casing
Concreting；
E, the supporting installation of the side mould of bracket mould is completed again, and wherein side mould is included for forming bracket this position
The arc mould of arcuate side surface between crossbeam；
F, pouring for bracket mould inner concrete is completed；
G, form removal after conserving.
In above-mentioned a steps, BIM technology refers to BIM technology, is that a kind of built applied to engineering design manages
Digitization instrument, the relevant informations of various projects is integrated by parameter model, in the full life of project planning, operation and maintenance
Shared and transmitted in periodic process, make engineers and technicians that various architecture informations are made with correct understanding and efficiently reply,
Each side's construction bodies for design team and including building unit of operation provide the basic existing maturation to cooperate
Technology.Modelling is completed using the technology, aids in steel pipe column annular bracket blanking with assembled using BIM technology, raising steel pipe
The blanking of bracket and installation accuracy, while by BIM technology to major diameter in reinforced beam and annular bracket connecting node
Reinforcing bar is pre-positioned, and determines the particular location between reinforcing bar and steel plate, and the structural strength at node is effectively ensured, can be more preferable
Ground ensures that follow-up construction quality intensity meets to require.
So, the work progress, can be synchronously to carry out, to save to each step overall arrangement the step of simultaneously operating
Time, efficiency of construction is improved, is finished in advance in ground welding wherein annular steel facing and i shaped steel belong to large-scale component, it is convenient
Welding operates and completes handling installation together beneficial to steel pipe column casing.Other beam steels, stirrup, waist muscle, card muscle and arched ribs etc.
Small members are installed using Site Welding, can better ensure that the requirement of its installation site size, to ensure obtained building knot
Structure quality.Welded again after first completing the supporting installation of bottom surface mould, bottom surface module masking pad lower position can be leaned on, improve welding
Processing safety.
Above-mentioned a steps, during construction, it can specifically include procedure below.A1, prepare construction drawing, by the BIM engineerings of specialty
Shi Jianli steel pipe column casings（Including bracket basis）Model, and according to the relation between reinforced beam and bracket basis, draw steel
Muscle model, determine reinforcement welding position.Do good material preparation simultaneously.The steel pipe column casing of steel pipe column is (calm using Q345-B steel
Steel), otic placode uses Q235-B steel (killed steel).Selection of electrodes E4315, E4316 and E5015, E5016 type series welding rods.
A2, the inspection of raw and process materials；When steel pipe column casing is processed in factory, the former material quality such as steel, welding rod is controlled, in strict accordance with design drawing
It is required that being configured, and carry out checking and accepting；After transporting to scene to the steel pipe column casing processed, size, the two of outward appearance are carried out
Secondary inspection, steel tube component appearance and size（Such as diameter, length, mouth of pipe circularity）Tolerance must not exceed code requirement, recheck
As a result meet that design and code requirement can use.A3, steel pipe column casing make and transport；Carried out using Tekla Structures
The Deepen Design of steel pipe column casing, check that design is omitted and mistake, and provide processing drawing and respectively build quantities, factory according to
The size of each component in blanking table, appoint specialty processing staff be processed and make, after the completion of again to overall progress
Assembling.After steel pipe column casing machines, transported using 20t transport vehicles, and carry out finished product protection work.A4, beam steel, hoop
The blanking of muscle, waist muscle, card muscle and arched ribs, according to the model and construction drawing of each reinforcing bar, the specification and quantity of reinforcing bar are determined, it is special
It is not beam steel and arched ribs, is then numbered and sorts out according to the installation of reinforcing bar order.
The b step, can be that field joint weldering uses artificial weldering, interface weld seam is penetration second-order weld, is welded by several times completely,
To ensure welding quality.
In the step c, when can be that support is set up, according to section of beam size, be calculated with PKPM softwares, really
Solid plate support system, ensure plank sheathing uniform force and construction safety.Steel pipe column bracket Curved beam is considered, united
One arrangement, steel pipe column bracket Curved beam is considered first using 48.3mm × 3.6mm steel tube fastener formula scaffolds, during design arrangement
Wooden model plate level fixed mount, beam-slab bracing system frame are adjusted arrangement with plank sheathing, and each vertical rod spacing, step pitch must are fulfilled for design
Requirements.
In the Step d, can be beam steel, stirrup, waist muscle, card muscle and arched ribs it is respective welding or installation before,
The reinforcing bar descended in advance should be transported to welding position by reinforcing bar welder according to the welding procedure order of beam steel and bracket base node
Put, during welding, reinforcing bar welder carries out accurate settingout at the scene according to the position relationship between reinforcing bar and bracket basic model.To protect
Reinforcing bar and the welding quality on bracket basis are demonstrate,proved, same condition test specimen can be carried out in welding procedure, and carries out system of real name registration,
Name and the weld interval of welder is indicated i.e. on test specimen.When beam steel welds, adjacent two longitudinal reinforcements will stagger cloth
Put, take welding by both sides to construct, fusion length >=5d, weld width >=0.6d, throat depth >=0.35d, respective location is using double
When face welding is relatively difficult, single-sided welding can be taken, weld length is >=10d.
In the Step d, in the welding of each reinforcement component on the basis of carrying out bracket, bracket reinforcement foundation can be set to weld
Connect masking structure to be protected, bracket reinforcement foundation welding masking structure includes a circle and covers cloth and masking cloth support meanss, institute
State steel pipe column that is identical on the support device structure used in masking cloth support meanss and b step and being fixed on above bracket position
On cylinder, masking cloth, which is hung, to be located at masking cloth support meanss surrounding and shields surrounding position at each reinforcement welding in bracket basis.So,
Welding position can be shielded, avoids welding process from also being avoided welding operation to have influence on operation around by windage, protected
Card welding quality simultaneously improves Welding Safety.
In Step d, the detailed process of the concreting in steel pipe column casing is synchronously completed, can be mixed in steel pipe column casing
Solidifying soil uses C60 plain concretes, inside mixes ZP swelling agents（It is 2 to two/10000ths point five to control expansion rate）, can use has φ
200 glue conduits pour servicing unit（Equivalent to tumbling barrel）Cast blanking is carried out, in concreting, the maximum of one-time-concreting
Highly it is 2m（Divide 3 times per floor and poured）, next layer concrete pours fully vibrated after, pour last layer coagulation
Soil, two layer concretes pour presetting period of the interval time no more than concrete.So, the water of concrete can quickly be excluded
Change heat, improve post inner concrete intensity, better ensure that the pouring quality of steel pipe column casing inner concrete, and it is poured time-consuming energy
Enough control within other synchronous process deadlines, to improve efficiency.In addition, in order to improve efficiency, when being poured in steel pipe column casing,
It can will be around staggering the time in the steel pipe column casing of the adjacent steel pipe column of building core cylinder and pour, preferably to save time manpower, carry
Rise efficiency of construction.
In addition, in Step d, the concreting blanking poured in servicing unit auxiliary steel pipe column casing can be used, it is described
Pour servicing unit as Figure 2-3, including one piece can cover and be supported on steel pipe column casing 1（Steel pipe column casing is not shown in Fig. 2）
The supporting plate 10 of upper end, the middle part of supporting plate 10 offer connecting hole of the diameter less than the diameter of steel pipe column casing 1 and matched downwards
Ground is connected with a glue conduit 11, and the top of supporting plate 10 has set up a funnel 12, and the connecting hole is located in funnel 12
Portion.So, during concreting in steel pipe column casing, supporting plate can be set aside to steel pipe column casing upper port, by what is be stirred
Concrete is poured into funnel by tower crane and suspension bucket conveying and flows downward to steel pipe column casing bottom along glue conduit, and completion pours mixed
Coagulate native blanking.Avoiding directly pouring into concrete can be excessive too high due to steel pipe column casing, causes concrete to fall rear bleeding and produces point
Layer, influences pouring quality.Using funnel and glue conduit, not only concrete is facilitated to pour into, and the guiding effect of glue conduit ensures
Concrete will not bleeding, ensure that and pour effect.Further, supporting plate 10 is more than steel pipe column casing external diameter using broadside size
Rectangle template obtain, it is so convenient to implement and cost is cheap, beneficial to manufacture.Further, glue conduit 11 is using diameter 200mm
Glue conduit, it is ensured that concrete has larger blanking efficiency, and and can is enough to have a preferably guiding effect, and when pouring
During to top position, it can easily cut short glue conduit and be poured upwards with adapting to pour progress.Further, on glue conduit 11
It is in criss-cross spacer bar 13 that end, which extends transversely through and is provided with two, and is fixed to supporting plate 10 by the support mounting of spacer bar 13
Connecting hole above.So it is due to this time to connect without sealing, therefore uses spacer bar to connect, it is simple in construction and conveniently existing
Field construction, while also beneficial to operation when subsequently needing to cut short glue conduit.Further, the horizontal direction section of funnel 12 is in
Rectangle, concatenation construction obtains after the so convenient cutting using template, is prepared beneficial to execute-in-place.
In f steps, employ in bracket basis, annular steel facing surface above and on i shaped steel
Side surface is respectively provided with the technology of perforation.During concreting, small-sized vibrating spear can enter bracket basic internal by perforation,
The concrete vibrating at node is carried out, strengthens the compactness of concrete, improves structural strength at node, while intra-node is mixed
Solidifying soil can exclude air by new hole-opening, improve concrete pouring quality.
In g steps, can take curing in the mold mode, make concrete surface not dehydration, in moisture state.Effectively keep away
The appearance of the easy dehydration in concrete early stage surface and cracking phenomena is exempted from.Before form removable, can with the conditions of test block
Pressure testing is carried out, treats that concrete strength reaches 100% side and can propose form removal application.Before form removal, running hand enters in each side that reply participates in removing work
Face safe practice is told somebody what one's real intentions are.It should be removed during dismounting in strict accordance with the principle of " that props up afterwards first tears open, first props up and tears open afterwards ".
In present embodiment, during the b step completes the on-site hoisting welding of steel pipe column casing, specifically include following
Small step：
B1, in steel pipe column casing upper and lower ends be uniformly distributed circumferentially four pieces are each welded with close to end horizontally outward
The otic placode of extension, lifting hole(eyelet) is provided with the otic placode of upper end；
B2, using four-ply steel wire rope（φ21）Cubic symmetrical binding connects four pieces of otic placodes positioned at steel pipe column casing upper end,
Face position above mounted steel pipe column casing is lifted to by tower crane；
B3, by tower crane load-bearing cause steel pipe column casing is hanging to keep welding seam distance between the mounted steel pipe column casing in lower section,
After adjusting hanging steel pipe column casing position and making the mounted steel pipe column casing alignment leveling in itself and lower section, it is welded and fixed by contiguous block
Connection tower is removed after being fixed between the upper end otic placode and hanging steel pipe column casing lower end otic placode of the mounted steel pipe column casing in lower section
The steel wire rope hung；
The butt welding of b4, completion to weld seam, the otic placode and lower section for being then cut out the steel pipe column casing lower end of construction have been pacified
The otic placode of the steel pipe column casing upper end of dress, that is, complete welding.
So, reserve weld seam using hanging setting to be welded, joint, which can weld, between guarantee steel pipe column casing does not stay completely
Gap, ensure joint quality.Wherein, steel pipe column casing can be facilitated to lift by crane for the otic placode set up and follow-up adjustment is aligned and welding
Preceding fixation etc. operates；Using four-ply steel wire rope（φ21）Cubic symmetrical binding connection can ensure lifting balance, connect beneficial to alignment
Connect；Can conveniently regulation alignment, while the mounted steel pipe column casing of steel pipe column casing and lower section that top is hanging using tower crane load-bearing
Leaned against after alignment be welded to connect between otic placode block it is fixed after the steel wire rope of dismounting tower crane welded again, can avoid welding
When rock, ensure welding quality.Finally cut off lower end otic placode to avoid influenceing subsequent construction, retain upper end otic placode and supply the follow-up steel in top
Tubing string cylinder uses when installing.
In present embodiment, in step b1, each there are two edges at top and bottom in steel pipe column casing lateral surface
It is separated by the vertically arranged control bus of the radian of quadrant in circumference, step b3 adjusts hanging steel pipe column casing position
When, side-lower sets up two theodolites outside the control bus of hanging steel pipe column casing, is seen by theodolite on the basis of bus
Examine when two buses of the outer bottom of hanging steel pipe column casing are equal and two buses in the mounted outside upper portion of steel pipe column casing in lower section are each right
When together point-blank, hanging steel pipe column casing position leveling is judged.
So, it is in the bus for judging to set using theodolite observation in two mutually orthogonal directions below steel pipe column casing
It is no all point-blank to judge whether steel pipe column casing is aligned up and down, with simple and fast and accurately auxiliary it can realize that alignment is sentenced
It is disconnected, the accuracy of steel pipe column casing alignment is improved, the beam column axial line obtained after guarantee docking is consistent, ensures beam column quality.
In present embodiment, in step b1, in four pieces of otic placodes of steel pipe column casing upper end, it is vertical that otic placode outer end also has
The supporting plate being fixedly installed upwards, the part that supporting plate upper end exceeds steel pipe column casing upper surface position and exceeded form jack water
Flat supporting part；Simultaneously when hanging steel pipe column casing position is adjusted in step b3, by two vertically arranged jack apical graftings in
Steel pipe column casing top each face has been installed in two otic placodes of the bottom of hanging steel pipe column casing corresponding tilt direction both sides and lower section
Two otic placodes between, then radially apical grafting has installed steel pipe column casing top in addition in lower section by two horizontally disposed jack
Between the lower side surfaces of the jack horizontal supporting portion of the supporting plate of two otic placodes and hanging steel pipe column casing, by control four
Individual jack stretches, and realizes that alignment leveling is realized in the adjustment to hanging steel pipe column casing position.
So, by between two pairs of otic placodes up and down of two vertically arranged jack apical grafting incline directions, in addition two
Individual jack along back position horizontal radial apical grafting in hanging steel pipe column lower side surfaces, can be conveniently by the top of jack
Go out adjustment, the steel pipe column casing of rotation inclined upward state makes it adjust to vertical state, has simple to operate and clamping can
Lean on, adjust the characteristics of controllability is good.Can be in the direction that needs are adjusted when then further, if necessary to horizontal position adjustment
It is upper that by horizontal two relative jack, each apical grafting has installed the jack horizontal supports of steel pipe column casing top both sides in lower section
Regulation is realized, it is necessary to when height and position adjusts weld seam size between portion and hanging steel pipe column casing lower side surfaces, can be leaned on again
Each set a vertical jack to distinguish apical grafting on four direction and steel pipe column casing top and hanging steel pipe have been installed in lower section
Regulation is realized between otic placode corresponding to column casing bottom.
Above-mentioned construction handling alignment procedures may refer to Fig. 4 understandings, meanwhile, in above-mentioned handling alignment procedures, i.e., in steel
Handling alignment adjustment supplementary structure as shown in Figure 5 is formd outside tubing string cylinder, the handling alignment adjustment supplementary structure includes steel
Be uniformly distributed circumferentially four pieces of otic placodes horizontally outward extended 14 that the upper and lower ends of tubing string cylinder 1 are each welded close to end,
Lifting hole(eyelet) is provided with the otic placode of upper end.Thus facilitate and handling is carried out using tower crane and can be beneficial to keep handling process to put down
Surely.Then, further in four pieces of otic placodes 14 positioned at steel pipe column cylinder upper end, otic placode outer end is also fixedly installed branch straight up
Fagging 15, the part that the upper end of supporting plate 15 exceeds steel pipe column casing upper surface position and exceeded form jack horizontal supporting portion 16.
So, tilt adjustments alignment is carried out by jack 17 with regard to convenient realize.Further in the lateral surface of steel pipe column casing 1 close to upper end
With each set at lower end two circumferentially on be separated by quadrant radian vertically extending control bus 18, then outstanding
The outer side-lower of the control bus of empty steel pipe column casing sets up two theodolites（Do not shown in figure）.Can preferably observes adjustment
To ensure that alignment is reliable.In addition, when implementing, can also further, in the inner one end upper surface of otic placode 14 positioned at upper end
Portion sets boatswain chair 19 straight up, and the lower end of boatswain chair 19 and otic placode 14 are fixed welding, fixed on the inside of boatswain chair with steel pipe column casing
Welding, the lifting hole(eyelet) is arranged on boatswain chair 19, so, is more improved handling hitch point bonding strength, is facilitated its stress to suspend in midair.
In present embodiment, in step b2, when steel pipe column casing is lifted to face above mounted steel pipe column casing by tower crane
Behind position, in lower section, mounted steel pipe column casing lateral surface sets support meanss, the support device structure close to upper end position
Referring to the anchor ear piece 20 of two sections of arcs shown in Fig. 6-7, is included, the arc of anchor ear piece 20 is consistent with steel pipe column casing lateral surface arc and embraces
Hoop pieces both ends stretch out to form anchor ear connecting portion 21, and bolt hole is provided with anchor ear connecting portion and is docked by connecting bolt 22,
After two sections of anchor ear pieces 20 are circumferentially closely attached on steel pipe column casing lateral surface relatively, left between relative anchor ear connecting portion less than connection
The gap of bolt length, and be fixed to for docking to hold tightly anchor ear piece through bolt hole by connecting bolt on the outside of steel pipe column casing
Face, every section of anchor ear piece lateral surface are at least fixedly installed two horizontal support members horizontally outward extended 23.
So so that operator can carry out steel pipe column cylinder tune under safety rope protection on standing support device during b3 steps
Flat operation.Further, horizontal support member 23 is welded to anchor ear piece lateral surface for support angle steel and obtained.Yet further, it is horizontal
The outer end face of support member 23 has the mounting column 24 being fixedly installed straight up.
In present embodiment, before carrying out butt welding in step b4, a protector, institute are first set in support meanss
Protective device structure is stated referring to Fig. 8-10, including underlying bottom surface Rotating fields 25 and top surface Rotating fields 26 above,
Bottom surface Rotating fields 25 include the outer ring of the bottom surface inner annular element set around steel pipe column casing circumferential lateral surface and bottom surface, bottom surface inner annular element with
Level is fixedly connected with some bottom surface connectors between ring outside bottom surface, and top surface Rotating fields 26 are included around steel pipe column casing outer circumferential side
The outer ring of top surface inner annular element and top surface that face is set, level is fixedly connected with some tops between top surface inner annular element and the outer ring of top surface
Face connector, be also vertically fixedly connected between the bottom surface inner annular element and top surface inner annular element it is some be uniformly distributed circumferentially it is interior
Edge-on muscle 27, be also vertically fixedly connected between ring and the outer ring of top surface outside the bottom surface it is some be uniformly distributed circumferentially it is outer
Edge-on muscle 28, outside stud outer surface, which is also surround, encloses provided with a circle protective cloth 29.
So, protector can improve the personal processing safety of welding, at the same protective cloth can windbreak function to ensure
Welding quality, shaded effect can be also played in addition, prevent that welding strong light leaks, effectively prevent light pollution and avoid welding under
The influence of the other construction workers in side.
In present embodiment, bottom surface Rotating fields 25, top surface Rotating fields 26, inner side stud 27 and the outside of above-mentioned protector
Stud 28 is that ferrous materials are made, and is weldingly connected to facilitate and ensures self-strength.Further on bottom surface Rotating fields 25 also
One layer of asbestos cloth 31 can be laid, to prevent welding spark falls to lower section from influenceing lower section operation.Further, outside bottom surface
The mounting column that the horizontal support member outer end of support meanss is corresponded in ring is provided with the mounting hole of matching, facilitates protector to exist
Installation in support meanss is located by connecting.Further, screw is offered on inner side stud 27 and is connected with carrying bolt 29, is propped up
The both ends that staybolt 29 is located at screw are each provided with a locking nut 30.So, protector can be installed to support
After on device, tightening carrying bolt makes its inner abutting arrive steel pipe column tube outer surface, is then rotated against by two locking nuts
Locking；Steel pipe column tube outer surface is tightened on can ensureing protector circumferentially, reduces shake, improves high-altitude application security
And ensure welding quality.Further protective cloth is colour bar cloth, improves work high above the ground alarming effect.Further on the stud of outside
Also circumferentially mutually enclose and be connected with safety rope 32, preferably to improve high-altitude working safety.
In present embodiment, in step e, for forming the arc mould of arcuate side surface of the bracket body between crossbeam
Structure referring to Figure 11, including the arc formwork 33 that overall radian is consistent with bracket bodies side surface radian, outside arc formwork 33
Side is fixedly connected with some vertically arranged flitch parts 34, and the outside of flitch part 34 is fixedly connected with horizontally disposed and arc formwork
The consistent curved steel tube 35 of radian, wherein arc formwork 33 are fixed on flitch part 34 after being bent by monoblock rectangle template and obtained.
So, the arc mode structure is simple, and can convert to obtain by the planar rectangular template formed, takes full advantage of useless
Old template and steel pipe, stock utilization is improved while quality requirement is reached.
In present embodiment, adopt and nail between arc formwork 33 and flitch part 34, conveniently realize arc formwork
Intensity bending forming.Curved steel tube 35 includes vertical at least two arranged side by side, and is vertically fixedly connected between curved steel tube 35
It is vertical to strengthen steel pipe 36, to improve support bulk strength to ensure the bending force to rectangle template.As preferred curved steel tube 35
Connected between vertical reinforcement steel pipe 36 using fastener 37, to facilitate attended operation.Adopted between curved steel tube 35 and flitch part 34
Bundled and connected with steel wire 38, while to ensure bonding strength, avoid connector is excessive from influenceing flitch part medial surface and arc mould
Fitting between plate 33.The outer surface of curved steel tube 35 is connected to as preferably vertical steel pipe 36 of strengthening, it is avoided interference with wood
Being fitted and connected between side and arc formwork.
Specifically, the arc mould of said structure, can be obtained by lower section method and step：
（1）The model of bracket basis segmental arc template is established using BIM technology, the technical parameter of template processing is drawn, draws
Lead worker template is processed and made.
（2）Common scaffolding steel pipe of the live specification for 48.3 × 3.6mm of Ф is used, according to the radian of bracket segmental arc,
The curved steel tube for meeting needs is processed using the bend pipe machine equipment of specialty.
（3）According to bracket height H, process length and bracket height identical and vertically strengthen that steel pipe is several and flitch number
Root.
（4）Vertical steel pipe of strengthening is vertically arranged one along curved steel tube lateral arcs length direction every 300mm, utilizes button
Part is fastened curved steel tube and vertical steel pipe of strengthening；Flitch is vertically arranged along side direction in curved steel tube every 150mm
One, while fastened flitch and curved steel tube using the steel wire with some strength and toughness, ensure fastening strength（I.e.
Do not shift）.
（5）Deploy the size of rectangle according to bracket segmental arc（The arc length of segmental arc is the length of common templates, the high H of bracket
The as width of common templates）, the rectangle template for processing needs is stand-by.
（6）One end of rectangle template is directed at curved steel tube, is placed in above flitch, using nail by rectangle template and wood
Side is fixed, and is fixed successively from one end of curved steel tube to the other end, is fixed by nail and extrudes rectangle template change by force
Shape is required radian, to ensure the perpendicularity of rectangle template in fixation procedure.Radian direction of the rectangle template along curved steel tube
Fixed, ultimately form the cylinder bracket arc construction mould with some strength.
In present embodiment, before nail fixation, 80-150 DEG C is first heated up to template and is applied to spread releasing agent, so,
Template is generally timber, and heating is beneficial to its bending and avoids rupturing in required arc after softening, while smearing release agent after heating,
Template surface is infiltrated into beneficial to releasing agent, surface flatness is improved and is beneficial to the follow-up demoulding, while releasing agent also being capable of filling template
Gap caused by bending and avoid rupturing.Releasing agent can buy existing releasing agent product or be obtained using fluid.
Therefore the above method can improve construction quality, ensure building intensity, mitigate the labor intensity of worker, improve worker's
Efficiency, compared with traditional construction, there is more convenient operation, the features such as construction quality is more reliable, cost is less expensive, have compared with
Big application value, it is particularly suitable in skyscraper popularization and application especially in high-rise building.
Claims (2)
1. a kind of steel pipe column casing mounting and adjusting alignment methods, it is characterised in that sling steel pipe column casing to be installed to by tower crane
Face position above the steel pipe column casing of installation；Each there are two at top and bottom circumferentially in steel pipe column casing lateral surface
On be separated by quadrant radian vertically arranged control bus, when adjusting hanging steel pipe column casing position, hanging
The outer side-lower of control bus of steel pipe column casing set up two theodolites, observe by theodolite on the basis of control bus when outstanding
Outer two control bus close to lower end of empty steel pipe column casing and the outer close upper end of the mounted steel pipe column casing in lower section two controls
When bus is each alignd point-blank, hanging steel pipe column casing position leveling alignment is judged；
Each it is welded with what be uniformly distributed circumferentially four pieces horizontally outward extended close to end in steel pipe column casing upper and lower ends
Otic placode, in four pieces of otic placodes of steel pipe column casing upper end, otic placode outer end also has the supporting plate being fixedly installed straight up, support
The part that plate upper end exceeds steel pipe column casing upper surface position and exceeded forms jack horizontal supporting portion；Simultaneously hanging in adjustment
During steel pipe column casing position, by two vertically arranged jack apical graftings in the lower end of hanging steel pipe column casing corresponding tilt direction both sides
Two otic placodes and lower section steel pipe column casing upper end has been installed each between two otic placodes of face, then by two horizontally disposed thousand
Jin pushes up the jack horizontal supporting portion that radially apical grafting has installed the supporting plate of two other otic placode of steel pipe column casing upper end in lower section
Between the lower side surfaces of hanging steel pipe column casing, by the flexible of four jack of control, realize to hanging steel pipe column
Alignment leveling is realized in the adjustment of cylinder position.
2. steel pipe column casing mounting and adjusting alignment methods as claimed in claim 1, it is characterised in that when steel pipe column casing rises by tower crane
It is hung to above mounted steel pipe column casing behind face position, in lower section, mounted steel pipe column casing lateral surface is set close to upper end position
Support meanss are put, the support meanss include the anchor ear piece of two sections of arcs, anchor ear piece arc and steel pipe column casing lateral surface arc one
Cause and anchor ear piece both ends stretch out to form anchor ear connecting portion, bolt hole is provided with anchor ear connecting portion and leans on connecting bolt pair
Connect, after two sections of anchor ear pieces are circumferentially closely attached on steel pipe column casing lateral surface relatively, left between relative anchor ear connecting portion less than company
The gap of connecting bolt length, and be fixed to for docking to hold tightly anchor ear piece through bolt hole by connecting bolt on the outside of steel pipe column casing
Face, every section of anchor ear piece lateral surface are at least fixedly installed two horizontal support members horizontally outward extended.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610169046.5A CN105756356B (en) | 2016-03-23 | 2016-03-23 | A kind of steel pipe column casing mounting and adjusting alignment methods |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610169046.5A CN105756356B (en) | 2016-03-23 | 2016-03-23 | A kind of steel pipe column casing mounting and adjusting alignment methods |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105756356A CN105756356A (en) | 2016-07-13 |
| CN105756356B true CN105756356B (en) | 2018-01-09 |
Family
ID=56346328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610169046.5A Active CN105756356B (en) | 2016-03-23 | 2016-03-23 | A kind of steel pipe column casing mounting and adjusting alignment methods |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105756356B (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106351400B (en) * | 2016-10-11 | 2018-08-28 | 中国建筑股份有限公司海拓工程分公司 | A kind of precast concrete octagonal column assembly device and its installation method |
| CN107740585B (en) * | 2017-09-11 | 2020-04-24 | 中国建筑第八工程局有限公司 | Hanging installation method for ultra-long inclined steel structure circular pipe |
| CN109025466B (en) * | 2018-08-15 | 2020-06-09 | 江苏省送变电有限公司 | Method for adjusting root opening of main pipe of steel pipe tower of power transmission line |
| CN110359722A (en) * | 2019-06-28 | 2019-10-22 | 五冶集团上海有限公司 | A kind of steel column correction jacking bracket and its application method |
| CN110258357B (en) * | 2019-07-09 | 2020-09-22 | 中铁二院成都勘察设计研究院有限责任公司 | Construction method for steel pipe arch rib segment air connection |
| CN111424994B (en) * | 2020-04-17 | 2021-08-17 | 北京天恒建设集团有限公司 | Steel construction interfacing apparatus for construction |
| CN111608402B (en) * | 2020-05-23 | 2021-08-06 | 成都市天柱建筑工程有限公司 | Connecting device for prefabricated house and connecting method thereof |
| CN112160608A (en) * | 2020-09-24 | 2021-01-01 | 中国五冶集团有限公司 | Lifting and mounting method for high-altitude full-transparent steel ring gallery |
| CN112282068B (en) * | 2020-11-02 | 2021-11-30 | 台州学院 | Assembled concrete building connection structure |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102900076A (en) * | 2012-10-24 | 2013-01-30 | 广东省第四建筑工程公司 | Continuous construction method for concrete pile steel pipe column |
| CN104631844A (en) * | 2014-12-31 | 2015-05-20 | 上海市机械施工集团有限公司 | Steel column mounting operation platform and mounting method thereof |
| KR20150075843A (en) * | 2013-12-26 | 2015-07-06 | 정용민 | Cargo transport box |
| CN104929375A (en) * | 2015-07-20 | 2015-09-23 | 中国二十二冶集团有限公司 | Large-span truss short-stroke hydraulic jack synchronous slide method and device |
| CN105332515A (en) * | 2015-10-29 | 2016-02-17 | 中冶建工集团有限公司 | Erection method of large-span truss structure in limited space |
-
2016
- 2016-03-23 CN CN201610169046.5A patent/CN105756356B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102900076A (en) * | 2012-10-24 | 2013-01-30 | 广东省第四建筑工程公司 | Continuous construction method for concrete pile steel pipe column |
| KR20150075843A (en) * | 2013-12-26 | 2015-07-06 | 정용민 | Cargo transport box |
| CN104631844A (en) * | 2014-12-31 | 2015-05-20 | 上海市机械施工集团有限公司 | Steel column mounting operation platform and mounting method thereof |
| CN104929375A (en) * | 2015-07-20 | 2015-09-23 | 中国二十二冶集团有限公司 | Large-span truss short-stroke hydraulic jack synchronous slide method and device |
| CN105332515A (en) * | 2015-10-29 | 2016-02-17 | 中冶建工集团有限公司 | Erection method of large-span truss structure in limited space |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105756356A (en) | 2016-07-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105756356B (en) | A kind of steel pipe column casing mounting and adjusting alignment methods | |
| CN105649348B (en) | A kind of steel pipe column casing handling installation method | |
| CN105756348B (en) | A kind of Core Walls Structure beam column steel pipe column interior concrete pouring construction method | |
| CN105735474B (en) | A kind of Core Walls Structure beam column monolayer steel pipe column construction method | |
| CN105604197B (en) | A kind of beam column steel pipe column barrel structure | |
| CN105649335B (en) | A kind of high-rise building Core Walls Structure beam column construction construction method | |
| CN105735638B (en) | A kind of bracket is poured with arcuate die processing method and its bracket casting method | |
| CN110629932B (en) | High-rise steel pipe concrete composite column construction method | |
| CN107605177A (en) | The construction method of efficient precast floor slab and its independent support frame | |
| CN105798491A (en) | Welding construction method for steel pipe column casings of steel pipe column | |
| CN209585294U (en) | A kind of tower crane attachment pre-embedded device based on aluminum dipping form construction | |
| CN206692235U (en) | A kind of steel structure dome lifts by crane erecting device | |
| CN106320704A (en) | Steel reinforced concrete structure formwork sleeve threaded rod pulling construction method | |
| CN108915153A (en) | Assembly concrete superposed column installation method and system | |
| CN108360380A (en) | A kind of bridge pier column construction operation platform and its construction method | |
| CN109457814B (en) | Construction method for top cover of high-rise and large-diameter building based on Bailey truss structure | |
| CN105756349B (en) | A kind of Core Walls Structure beam column bracket pouring construction method | |
| CN105804402B (en) | A kind of Core Walls Structure beam column steel pipe column interior concrete blanking casting method | |
| CN105604248B (en) | A kind of steel pipe column casing docking protection welding method of steel pipe column | |
| CN114717954A (en) | Ultrahigh concrete tower column construction method based on three-dimensional space coordinate positioning | |
| CN205531405U (en) | Steel pipe column casing handling alignment adjustment auxiliary structure | |
| CN205531363U (en) | Auxiliary device pours in core section of thick bamboo beam column steel -pipe column | |
| CN109869153A (en) | The whole of rapid construction vertical shaft lining cutting promotes cantilever form device and construction method | |
| CN105821977B (en) | A kind of high-rise building Core Walls Structure beam column bracket structure | |
| CN205875520U (en) | Precast beam steel reinforcement cage component and reinforced concrete roof beam |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |