CN105604197B - A kind of beam column steel pipe column barrel structure - Google Patents

A kind of beam column steel pipe column barrel structure Download PDF

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Publication number
CN105604197B
CN105604197B CN201610169048.4A CN201610169048A CN105604197B CN 105604197 B CN105604197 B CN 105604197B CN 201610169048 A CN201610169048 A CN 201610169048A CN 105604197 B CN105604197 B CN 105604197B
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steel
steel pipe
pipe column
annular
bracket
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CN105604197A (en
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刘义权
张建东
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China Metallurgical Construction Engineering Group Co Ltd
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China Metallurgical Construction Engineering Group Co Ltd
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/38Connections for building structures in general
    • E04B1/58Connections for building structures in general of bar-shaped building elements

Abstract

The invention discloses a kind of beam column steel pipe column barrel structure, including steel pipe column casing, it is characterized in that, bracket basis is provided with the middle part of steel pipe column casing in peripheral surface, steel pipe column casing upper and lower ends are each welded with four pieces of otic placodes horizontally outward extended being uniformly distributed circumferentially close to end, and lifting hole(eyelet) is provided with the otic placode of upper end.The present invention have can preferably improve steel pipe column and crossbeam bonding strength, facilitate steel pipe column casing installation alignment adjustment, improve installation effectiveness the advantages that.

Description

A kind of beam column steel pipe column barrel structure
Technical field
The invention belongs to high building project construction field, and in particular to a kind of beam column steel pipe column barrel structure.
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.In such manner, it is possible to convenient pair The construction of each layer building.
But wherein, it is also necessary to give consideration to how the structure that bracket basis on steel pipe column casing is set with raising steel pipe column and horizontal stroke as far as possible The node strength of beam connection;And how steel pipe column barrel structure is improved, to facilitate its installation alignment adjustment etc., turning into has It is considered to solve the problems, such as.
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 improves steel pipe column and crossbeam bonding strength, facilitates the installation alignment adjustment of steel pipe column casing, improves the beam column steel pipe column of installation effectiveness Barrel structure.
In order to solve the above-mentioned technical problem, present invention employs following technical scheme:
A kind of beam column steel pipe column barrel structure, including steel pipe column casing, it is characterised in that set in the middle part of steel pipe column casing in peripheral surface Bracket basis is equipped with, steel pipe column casing upper and lower ends are each welded with four pieces be uniformly distributed circumferentially close to end horizontally outward The otic placode of extension, lifting hole(eyelet) is provided with the otic placode of upper end.
So, bracket basis can preferably improve steel pipe column and crossbeam connecting node intensity, the otic placode and lifting hole(eyelet) of setting, Handling conveniently can be carried out using tower crane and can be beneficial to keep handling process steady.
As optimization, bracket basis is included between the upper and lower every being fixedly welded on two pieces of steel pipe column tube outer surface in level The annular steel facing of setting, it is thick that upper annular steel facing upper surface to lower endless steel facing lower surface distance is less than bracket body Degree, annular steel facing external diameter are less than bracket body external diameter, and annular steel facing peripheral direction is horizontally outward welded with one section of horizontal stroke Section is in the i shaped steel of I-shaped, and i shaped steel thickness and width is respectively less than the thickness and width of crossbeam.
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, and then improve the bonding strength of Core Walls Structure beam column and crossbeam;I shaped steel is as transverse end head section Key foundation, the bond strength of crossbeam and bracket is drastically increased, improve architecture storey floor entirety weight capacity.
Further, the horizontal linking in the annular steel facing upper surface of i shaped steel upper surface and top, i shaped steel following table The horizontal linking in the annular steel facing lower surface of face and lower section, the basic globality of bracket is preferably improved to ensure that final bracket is strong Degree.Further, some beam steels to stretch out along i shaped steel length direction, this sample prescription are welded with i shaped steel Just the setting of beam steel and subsequent construction.Further, beam steel be fixedly welded on i shaped steel upper and lower part it is respective on Position on side surface conveniently to vibrate after facilitating welding procedure and fixing point to be located at subsequently to pour, structural strength is high, beneficial to carrying High final Building Structure Strength.Further, i shaped steel outer surface is also arranged with some stirrups in the width direction, and stirrup is along work Shaped steel length direction is intervally arranged;Subsequent structural intensity so can be preferably improved, while stirrup both sides can also enter one The waist muscle that step welding extends along i shaped steel length direction, further to improve structural strength.Further, between i shaped steel Annular steel facing on be also associated with some card muscle, clamping and welded after vertically arranged and card muscle upper end bends inwards in the middle part of card muscle Be fixed on top annular steel facing upper surface, after card muscle lower end bends inwards clamping and be weldingly fixed on lower section annular steel face Plate lower surface, card muscle are arranged at intervals along annular steel facing outer surface arc uniform, and card muscle middle part inner surface is also in the horizontal direction It is welded with some arched ribs, arched ribs middle part is in the arc consistent with annular steel facing outer surface radian, arched ribs two End is fixedly connected on waist muscle after being folded to along i shaped steel side, and arched ribs are uniformly distributed along short transverse.So can be more preferable The structural strength for bracket position between crossbeam that ground raising subsequently obtains, and the structure connection between crossbeam and bracket are strong Degree.
As optimization, in the bracket basis, annular steel facing surface above and on the upside of the i shaped steel Surface is provided with the downward perforation being used for for vibrating spear insertion.So, it can preferably be beneficial to bracket pouring construction, improve Bracket pouring quality.As optimization, perforation size is diameter 50mm, and perforation spacing is 100-200mm, and size requirement is worn Hole, when can be preferably for follow-up pour vibrating spear insertion vibrate, exhaust when also can be more conducive to vibrate, while can avoid The influence perforated to structural strength.
As optimization, in four pieces of otic placodes positioned at steel pipe column cylinder upper end, otic placode outer end is also fixedly installed straight up Supporting plate, the part that supporting plate upper end exceeds steel pipe column casing upper surface position and exceeded form jack horizontal supporting portion.So, Tilt adjustments alignment is carried out by jack with regard to convenient realize.
Further each it is separated by four points in setting two circumferentially at top and bottom in steel pipe column casing lateral surface One of circle radian vertically extending control bus, then outside the control bus of hanging steel pipe column casing side-lower set up two Theodolite.Can, which is preferably observed, is adjusted to ensure that alignment is reliable.In addition, when implementing, can also further, positioned at upper The inner one end upper surface middle part of otic placode at end sets boatswain chair straight up, and the boatswain chair lower end and otic placode fix welding, boatswain chair Inner side and steel pipe column casing fix welding, and the lifting hole(eyelet) is arranged on boatswain chair, so, it is strong more to improve the connection of handling hitch point Degree, its stress is facilitated to suspend in midair.
In summary, the present invention, which has, can preferably improve steel pipe column and crossbeam bonding strength, facilitate steel pipe column casing to install Alignment adjustment, improve installation effectiveness the advantages that.
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 (7)

1. a kind of beam column steel pipe column barrel structure, including steel pipe column casing, it is characterised in that set in the middle part of steel pipe column casing in peripheral surface There is bracket basic, steel pipe column casing upper and lower ends are each welded with four pieces be uniformly distributed circumferentially close to end and horizontally outward prolonged The otic placode stretched, lifting hole(eyelet) is provided with the otic placode of upper end;
Bracket basis includes being between the upper and lower horizontally disposed annular steel every being fixedly welded on two pieces of steel pipe column tube outer surface Panel, upper annular steel facing upper surface are less than bracket body thickness, annular steel face to lower endless steel facing lower surface distance Plate external diameter is less than bracket body external diameter, and annular steel facing peripheral direction is horizontally outward welded with one section of cross section in I-shaped I shaped steel, i shaped steel thickness and width are respectively less than the thickness and width of crossbeam;
I shaped steel outer surface is also arranged with some stirrups in the width direction, and stirrup is intervally arranged along i shaped steel length direction;
Some card muscle are also associated with annular steel facing between i shaped steel, vertically arranged and card muscle upper end is inside in the middle part of card muscle Clamping and annular steel facing upper surface up is welded and fixed after bending, clamping and is welded and fixed after card muscle lower end bends inwards In the annular steel facing lower surface of lower section, card muscle is arranged at intervals along annular steel facing outer surface arc uniform, in card muscle middle part Surface is also welded with some arched ribs in the horizontal direction, and arched ribs middle part is in consistent with annular steel facing outer surface radian Arc, arched ribs both ends are fixedly connected on after being folded to along i shaped steel side on waist muscle, and arched ribs uniformly divide along short transverse Cloth.
2. beam column steel pipe column barrel structure as claimed in claim 1, it is characterised in that the annular of i shaped steel upper surface and top The horizontal linking in steel facing upper surface, the horizontal linking in annular steel facing lower surface of i shaped steel lower surface and lower section.
3. beam column steel pipe column barrel structure as claimed in claim 1, it is characterised in that some edges are welded with i shaped steel The beam steel that i shaped steel length direction stretches out, beam steel are fixedly welded on the respective upside in i shaped steel upper and lower part Surface.
4. beam column steel pipe column barrel structure as claimed in claim 1, it is characterised in that stirrup both sides are also further welded with along work The waist muscle of shaped steel length direction extension.
5. beam column steel pipe column barrel structure as claimed in claim 1, it is characterised in that above in the bracket basis Annular steel facing surface and it is provided with the downward perforation being used for for vibrating spear insertion positioned at i shaped steel uper side surface.
6. beam column steel pipe column barrel structure as claimed in claim 1, it is characterised in that in four pieces of ears positioned at steel pipe column cylinder upper end In plate, otic placode outer end is also fixedly installed supporting plate straight up, and supporting plate upper end is beyond steel pipe column casing upper surface position and surpasses The part gone out forms jack horizontal supporting portion.
7. beam column steel pipe column barrel structure as claimed in claim 1, it is characterised in that steel pipe column casing lateral surface close to upper end and Each it is separated by the vertically extending control bus of the radian of quadrant at lower end in setting two circumferentially.
CN201610169048.4A 2016-03-23 2016-03-23 A kind of beam column steel pipe column barrel structure Active CN105604197B (en)

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CN111502029A (en) * 2020-04-24 2020-08-07 上海核工程研究设计院有限公司 Steel plate concrete structure splicing node with adjustable precision and construction method thereof
CN111648479A (en) * 2020-05-13 2020-09-11 上海城建职业学院 Assembled building beam column connecting device

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CN204326255U (en) * 2014-11-24 2015-05-13 湖北弘顺钢结构制造有限公司 A kind of Reinforced Concrete Composite Beams and steel pipe column connected node
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Publication number Priority date Publication date Assignee Title
CN201850777U (en) * 2010-11-16 2011-06-01 中国建筑一局(集团)有限公司 Special hoisting tool for heavy box-shaped section component
CN103046751A (en) * 2012-12-04 2013-04-17 中建三局建设工程股份有限公司 Binding construction method of steel pipe column ring beam reinforcing bars
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