CN205531405U - Steel pipe column casing handling alignment adjustment auxiliary structure - Google Patents

Abstract

The utility model discloses a steel pipe column casing handling alignment adjustment auxiliary structure, a serial communication port, both ends are close to the terminal surface and locate welded along the outside otic placode that extends of four levels of circumference evenly distributed separately including the steel pipe column casing about, lie in to be provided with the lewis hole on the otic placode of upper end. The utility model has the advantages of can do benefit to better to adjust realizes the installation alignment to promote the efficiency of construction, guarantee construction quality.

Description

A kind of steel pipe column casing handling alignment adjusts supplementary structure

Technical field

This utility model belongs to high building project construction field, is specifically related to a kind of steel pipe column casing handling alignment and adjusts supplementary structure.

Background technology

Core wall structure, belongs to high building structure.It is exactly that periphery is the frame stressing system being made up of beam column, and centre is cylinder (such as elevator), because cylinder is in centre, so referred to as Core Walls Structure, has another name called " framework core wall structure " from the point of view of simply.This kind of structure is advantageous to structure stress, and has the most excellent shock resistance.It is the main flow version that high-rise building is widely used in the world.Meanwhile, the superiority of this structure also resides in can strive for as far as possible spacious use space, makes various assistant service space in the centralized of plane, makes the daylighting position that function of tonic chord volume exclusion is optimal, and reaches that sight line is good, the convenient effect of internal transportation.In core wall structure, as the beam column construction of main load effect, typically pour with armored concrete, simultaneously need to possess higher intensity and load requirement.

Steel pipe column (i.e. steel core concrete column) refers to, fill concrete in steel pipe and formed and steel pipe and core concrete thereof can bear the architectural support structure component of external load effect jointly, different by section form, concrete filled steel tube and quadrate steel pipe column etc. can be divided into, in steel pipe column, the effect of contraction of its inner concrete is made concrete be in three dimension stress state by steel pipe, improves the comprcssive strength of concrete；The concrete of steel duct can be effectively prevented again steel pipe generation cripling.Research shows, the bearing capacity of steel pipe column is higher than corresponding steel pipe column bearing capacity and concrete column bearing capacity sum.Interaction between steel pipe and concrete makes the destruction of steel duct concrete be changed into plastic failure by brittle break, and the ductile performance of component is obviously improved, and energy dissipation capacity is greatly improved, and has superior anti-seismic performance.

Due to the above-mentioned advantage of steel pipe column, therefore the beam column construction of Core Walls Structure usually uses steel pipe column structure to obtain in skyscraper especially high-rise building.But in skyscraper especially high-rise building, the Core Walls Structure beam column construction load using steel pipe column is big, and various aspects of performance requires height, therefore yet suffers from a lot of difficult point in design and work progress.

The patent of the Application No. 201410392150.1 that applicant once applied for, discloses a kind of Large-diameter Steel tubing string suspension column construction method of installation, and it is able to ensure that steel pipe column suspension column construction quality, may be used for the suspension column construction of Core Walls Structure beam column construction steel pipe column.

Simultaneously, construct for convenience, applicant considers that corresponding for quadrate steel pipe column structure on suspension column every layer of architecture storey is all designed a joint constitutes more piece monolayer steel pipe post, complete the most from top to bottom often to save the construction of monolayer steel pipe post, often use during the construction of joint monolayer steel pipe post and be externally provided with the steel pipe column casing on bracket basis and complete the construction of bracket on this layer of steel pipe column；Bracket basis includes between the upper and lower every being fixedly welded on two pieces of steel pipe column tube outer surface in horizontally disposed annular steel facing, also include that annular one section of cross section being horizontally outward welded and fixed of steel facing peripheral direction is the i shaped steel of I-shaped, also include the components such as the beam steel, stirrup, waist muscle, card muscle and the arched ribs that are arranged on annular steel facing and i shaped steel.In such manner, it is possible to the convenient construction building each layer, the bracket simultaneously arranged basis can improve steel pipe column and the node strength of crossbeam connection well.

Wherein, during the steel pipe column casing concrete handling installation of every layer, applicant is considered as tower crane and carries out handling and make steel pipe column casing to be installed be in vacant state, reserve weld seam and carry out welded and installed, but when installing, how could preferably be beneficial to regulation realize alignment being installed, with lifting construction efficiency, it is ensured that construction quality becomes the problem needing to be considered further.

Utility model content

For above-mentioned the deficiencies in the prior art, technical problem to be solved in the utility model is: how to provide one can preferably be beneficial to regulation and realizes installing alignment, with lifting construction efficiency, it is ensured that the steel pipe column casing handling alignment of construction quality adjusts supplementary structure.

In order to solve above-mentioned technical problem, this utility model have employed following technical scheme:

A kind of steel pipe column casing handling alignment adjusts supplementary structure, it is characterised in that includes be uniformly distributed circumferentially four pieces of otic placodes horizontally outward extended that the upper and lower two ends of steel pipe column casing are each welded near end, is positioned on the otic placode of upper end and is provided with lifting hole(eyelet).

Thus convenient employing tower crane carries out handling and can beneficially keep handling process steady, and steel pipe column casing upper and lower side is provided with otic placode simultaneously, and the jack apical grafting that conveniently employing is vertical saves to carry out between steel pipe column casing being directed at upper and lower two and adjusts.

As optimization, in the four pieces of otic placodes being positioned at steel pipe column cylinder upper end, otic placode outer end is fixedly installed gripper shoe the most straight up, and gripper shoe upper end exceeds position, steel pipe column casing upper surface and the part composition jack horizontal supporting portion exceeded.

So, the most convenient jack realizing relying on horizontally disposed jack with being vertically arranged fits into line tilt and adjusts alignment.

As optimization, steel pipe column casing lateral surface be each provided with at top and bottom two circumferentially on be separated by the vertically extending control bus of radian of quadrant, the outer side-lower of control bus being additionally included in unsettled steel pipe column casing sets up two theodolites.

Just can preferably observe and be adjusted to ensure that alignment is reliable.

As optimization, arranging the fixing welding of boatswain chair straight up, described boatswain chair lower end and otic placode in the otic placode being positioned at upper end inner one end upper surface middle part, inside boatswain chair, welding fixing with steel pipe column casing, is arranged on described lifting hole(eyelet) on boatswain chair.

So, more improve handling hitch point bonding strength, facilitate its stress to suspend in midair.

In sum, this utility model have can preferably be beneficial to regulation realize install alignment, with lifting construction efficiency, it is ensured that the advantage of construction quality.

Accompanying drawing explanation

Fig. 1 is to have employed in core tube of high-rise building beam column construction construction method of the present utility model in a kind of implementation process, the structural representation sketch of the steel pipe column casing being externally provided with bracket basis of employing.

Fig. 2 is to have employed in core tube of high-rise building beam column construction construction method of the present utility model in a kind of implementation process, the structural representation sketch pouring auxiliary device of employing.

Fig. 3 is the top view of Fig. 2.

Fig. 4 is to have employed in core tube of high-rise building beam column construction construction method of the present utility model in a kind of implementation process, steel pipe column casing handling alignment procedures schematic diagram.

Fig. 5 is to show the schematic diagram that the handling alignment of steel pipe column casing docking location adjusts supplementary structure in Fig. 4.

Fig. 6 is to have employed in core tube of high-rise building beam column construction construction method of the present utility model in a kind of implementation process, the structural representation of the support means of employing.

Fig. 7 is the structural representation of monolithic anchor ear sheet in Fig. 6.

Fig. 8 is to have employed in core tube of high-rise building beam column construction construction method of the present utility model in a kind of implementation process, the structural representation of the preventer of employing.

Fig. 9 is the schematic diagram of independent top coat structure in Fig. 8.

Figure 10 is the schematic diagram of independent bottom surface layer structure in Fig. 8.

Figure 11 is to have employed in core tube of high-rise building beam column construction construction method of the present utility model in a kind of implementation process, the structural representation of the arc mould of employing.

Detailed description of the invention

The utility model is described in further detail to have employed core tube of high-rise building beam column construction construction method of the present utility model and accompanying drawing below in conjunction with one.

A kind of optimum embodiment of core tube of high-rise building beam column construction construction method, this construction method has included the step of the suspension column construction of steel pipe column, its feature is, corresponding for quadrate steel pipe column structure on suspension column every layer of architecture storey is all designed a joint and constitutes more piece monolayer steel pipe post, complete the most from top to bottom often to save the construction of monolayer steel pipe post, often use during the construction of joint monolayer steel pipe post and be externally provided with the steel pipe column casing on 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, the mode of steel pipe column is used to constitute beam column construction, it is possible to ensure have preferable structural strength, meet skyscraper load bearing support requirement.Steel pipe column is designed as corresponding first floor and designs a joint, constructs the most successively, and often joint steel pipe column is outside equipped with bracket basis, is beneficial to realize the crossbeam to this floor and the construction of floor by bracket, is beneficial to improve building integral construction efficiency.

In present embodiment, described bracket is to be constituted with bracket basis for core casting concrete, and bracket includes the bracket body of annular, and bracket body surrounding horizontally outward extends the crossbeam connecting four rectangular in cross-section, has the most extended beam steel in crossbeam.

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.Simultaneously, it is achieved that steel core concrete column and the combinative structure form of reinforced beam, shock resistance is higher, it is possible to Vierendeel girder internal force transmission is effectively ensured, and reaches to design requirement.

In present embodiment, described bracket basis is as shown in Figure 1, including between the upper and lower every being fixedly welded on two pieces of steel pipe column casing 1 outer surface in horizontally disposed annular steel facing 2, upper annular steel facing upper surface to lower endless steel facing lower surface distance less than bracket body thickness, annular steel facing 2 external diameter is less than this body diameter of bracket, annular steel facing 2 peripheral direction is horizontally outward welded with the i shaped steel 3 that one section of cross section is I-shaped, and i shaped steel 3 thickness and width are respectively less than thickness and the width of crossbeam.

So, bracket basis uses doughnut-shaped steel plate processing shaped steel to constitute, it is possible to preferably improving the intensity of the follow-up annular bracket pouring and obtaining, i shaped steel is as the key foundation of transverse end head section, drastically increase the bond strength of crossbeam and bracket, improve architecture storey floor entirety weight capacity.

In the bracket basis of present embodiment, the annular steel facing upper surface level linking of i shaped steel 3 upper surface and top, the annular steel facing lower surface level linking of i shaped steel 3 lower surface and lower section, preferably improves the globality on bracket basis to ensure final bracket intensity.Further, i shaped steel 3 is welded with some along the outward extending beam steel of i shaped steel length direction 4, so facilitates setting and the subsequent construction of beam steel.Further, beam steel 4 is fixedly welded on the respective uper side surface in i shaped steel 3 upper and lower with the position facilitating welding procedure and fixing point conveniently to vibrate after being positioned at follow-up pouring, and structural strength is high, is beneficial to improve final Building Structure Strength.Further, i shaped steel 3 outer surface is arranged with some stirrups 5 the most in the width direction, and stirrup 5 is intervally arranged along i shaped steel length direction；So can preferably improve subsequent structural intensity, stirrup 5 both sides can also weld the waist muscle 6 extended along i shaped steel length direction further simultaneously, to improve structural strength further.Further, some card muscle 7 it are also associated with on annular steel facing between i shaped steel 3, clamping be welded and fixed annular steel facing upper surface up after vertically arranged and card muscle upper end bends inwards in the middle part of card muscle 7, card muscle 7 lower end bend inwards after clamping and be weldingly fixed on lower section annular steel facing lower surface, card muscle 7 annularly steel facing outer surface arc uniform interval is arranged, card muscle 7 middle part inner surface is welded with some arched ribs 8 the most in the horizontal direction, arched ribs 8 middle part is in the arc consistent with annular steel facing outer surface radian, arched ribs 8 two ends are fixedly connected on waist muscle 5 after being folded to along i shaped steel side, arched ribs 8 is uniformly distributed along short transverse.So can preferably improve the follow-up bracket obtained structural strength of position between crossbeam, and the structure bonding strength between crossbeam and bracket.

In present embodiment, in described bracket basis, annular steel facing surface above and be positioned at i shaped steel 3 uper side surface and be provided with the downward perforation 9 for inserting for vibrating spear.As such, it is possible to be preferably beneficial to bracket pouring construction, improve bracket pouring quality.As optimization, 9 sizes of boring a hole are diameter 50mm, perforation spacings is 100-200mm, the perforation of this dimensional requirement, the pouring quality vibrating to improve node concrete preferably can be inserted for vibrating spear during follow-up pouring, it also is able to the aerofluxus being more conducive to when vibrating, simultaneously it can be avoided that the perforation impact on structural strength.

In present embodiment, often joint monolayer steel pipe post is constructed and is specifically included following steps:

A, employing BIM technology realize the foundation of component model each to monolayer steel pipe post and to each component blanking, complete the annular steel facing in the outer bracket basis of steel pipe column casing and the welding of i shaped steel, and after completing construction material inspection, transport is the most on-the-spot；

B, complete steel pipe column casing on-site hoisting welding；

C, set up for completing this layer of steel pipe column place floor crossbeam and the support of floor slab construction；

D, dependence support are the supporting installation that platform first completes the bottom surface mould of bracket mould, then complete the beam steel in bracket basis, stirrup, waist muscle, card muscle and the respective welding of arched ribs or install fixing；The concreting in steel pipe column casing is synchronously completed during this；

E, the supporting of the side mould completing bracket mould again are installed, and wherein side mould includes the arc mould for forming bracket body arcuate side surface between crossbeam；

F, complete pouring of bracket mould inner concrete；

Form removal after g, maintenance.

In above-mentioned a step, BIM technology i.e. refers to BIM technology, it it is a kind of datumization instrument being applied to engineering design construction management, the relevant information of various project is integrated by parameter model, project planning, the lifecycle process running and safeguard carry out sharing and transmitting, make engineers and technicians that various architecture informations to be made correct understanding and efficiently reply, the existing mature technology on the basis of collaborative work is provided for design team and each side's construction bodies including building unit of operation.This technology is used to complete modelling, utilize BIM technology auxiliary steel pipe column annular bracket blanking with assembled, improve blanking and the installation accuracy of steel pipe bracket, by BIM technology, reinforced beam is carried out pre-aligned with Large-size rebar in annular bracket connecting node simultaneously, determine the particular location between reinforcing bar and steel plate, structural strength node at is effectively ensured, it is possible to better ensure that follow-up construction quality intensity meets requirement.

So, described work progress, to each step overall arrangement, can synchronize to carry out with the step of simultaneously operating, with time-consuming, improve efficiency of construction, wherein annular steel facing and i shaped steel belong to large-scale component in advance ground welding complete, facilitate welding operation and be beneficial to steel pipe column casing complete together handling install.The small members such as other beam steels, stirrup, waist muscle, card muscle and arched ribs use Site Welding to install, it is possible to better ensure that its installation site dimensional requirement, the building structure quality obtained with guarantee.Weld again after first completing the supporting installation of bottom surface mould, bottom surface module masking pad lower position can be leaned on, improve welding operation safety.

Above-mentioned a step, during construction, specifically can include procedure below.A1, preparation construction drawing, set up steel pipe column casing (including bracket basis) model by the BIM engineer of specialty, and according to the relation between reinforced beam and bracket basis, draw rebar model, determine reinforcement welding position.Do good material to prepare simultaneously.The steel pipe column casing of steel pipe column uses Q345-B steel (killed steel), and otic placode uses Q235-B steel (killed steel).Selection of electrodes E4315, E4316 and E5015, E5016 type series welding rod.A2, the inspection of raw and process materials；Steel pipe column casing adds man-hour in factory, controls the original material amount such as steel, welding rod well, requires to configure in strict accordance with design drawing, and carries out checking and accepting；After the steel pipe column casing processed is transported to scene, size to be carried out, the secondary check of outward appearance, steel tube component overall dimensions (such as diameter, length, mouth of pipe circularity etc.) tolerance must not exceed code requirement, rechecks the satisfied design of result and code requirement can use.A3, steel pipe column casing make and transport；Tekla Structures is used to carry out the Deepen Design of steel pipe column casing, check that design is omitted and mistake, and processing drawing is provided out and respectively builds quantities, factory is according to the size of component each in blanking table, the processing staff appointing specialty is processed and makes, and assembles entirety after completing again.After steel pipe column casing machines, use 20t transport vehicle to transport, and carry out finished product protection work.A4, beam steel, stirrup, waist muscle, card muscle and the blanking of arched ribs, according to model and the construction drawing of each reinforcing bar, determine specification and the quantity of reinforcing bar, particularly beam steel and arched ribs, be then numbered according to the installation order of reinforcing bar and sort out.

Described b step, can be that field joint weldering uses artificial weldering, and interface weld seam is penetration second-order weld, and weldering is full by several times, to ensure welding quality.

In described step c, can be support when setting up, according to section of beam size, use PKPM software to calculate, determine form bracing system, it is ensured that plank sheathing uniform force and construction safety.Steel pipe column bracket Curved beam is considered, unified layout, all use 48.3mm × 3.6mm steel tube fastener formula scaffold, first steel pipe column bracket Curved beam plank sheathing horizontal fixed mount is considered during design arrangement, beam-slab bracing system frame is adjusted arranging with plank sheathing, and each vertical pole's span, step pitch must are fulfilled for the requirements of design.

In described Step d, can be before beam steel, stirrup, waist muscle, card muscle and the respective welding of arched ribs or installing, reinforcing bar welder should be according to the welding procedure order of beam steel with bracket base node, the reinforcing bar descended in advance is transported to welding position, during welding, reinforcing bar welder, according to the position relationship between reinforcing bar and bracket basic model, carries out accurate settingout at the scene.For ensureing the welding quality of reinforcing bar and bracket basis, same condition test specimen can be carried out when welding procedure, and carry out system of real name registration, on test specimen, i.e. indicate name and the weld interval of welder.During beam steel welding, adjacent two longitudinal reinforcements to be staggeredly arranged, and takes welding by both sides to construct, fusion length >=5d, weld width >=0.6d, throat depth >=0.35d, when respective location uses two-sided welding relatively difficult, can take single-sided welding, weld length is >=10d.

In described Step d; on the basis of carrying out bracket during the welding of each reinforcement component; bracket reinforcement foundation welding masking structure can be arranged protect; bracket reinforcement foundation welding masking structure includes that a circle covers cloth and covers cloth support means; described cloth support means of covering is identical and be fixed on the steel pipe column casing above bracket position with on the support device structure used in b step, covers cloth and hangs to be located at and cover cloth support means surrounding and shield surrounding position at each reinforcement welding in bracket basis.As such, it is possible to shield welding position, it is to avoid welding process, by windage, also avoids welding operation to have influence on operative around, it is ensured that welding quality also improves Welding Safety.

In Step d, synchronously complete the detailed process of concreting in steel pipe column casing, can be to use C60 plain concrete at steel pipe column casing inner concrete, inside mix ZP extender (controlling expansion rate is 2 to two/10000ths five), can carry out pouring into a mould blanking with the auxiliary device (being equivalent to tumbling barrel) that pours with φ 200 glue conduit, when concreting, the maximum height of one-time-concreting be the most every floor of 2m(divide 3 times pour), next layer concrete pours after fully vibrating, pour last layer concrete, the interval time that pours of two layer concretes is less than the presetting period of concrete.As such, it is possible to quickly get rid of the heat of hydration of concrete, improve post inner concrete intensity, better ensure that the pouring quality of steel pipe column casing inner concrete, and make it pour time-consumingly can to control in other synchronize the operation deadline, to improve efficiency.It addition, in order to improve efficiency, when pouring in steel pipe column casing, stagger the time in the steel pipe column casing of the adjacent steel tubing string that can will be around building core cylinder and pour, with the most time-consuming manpower, lifting construction efficiency.

Additionally, in Step d, the concreting blanking poured in auxiliary device auxiliary steel pipe column casing can be used, described pour auxiliary device as Figure 2-3, can cover including one piece to be supported in steel pipe column casing 1(Fig. 2 and not show steel pipe column casing) gripper shoe 10 of upper end, offer a diameter in the middle part of gripper shoe 10 to connect have a glue conduit 11 less than the connecting hole of steel pipe column casing 1 diameter Downward match, gripper shoe 10 is provided with a funnel 12 upward above, and described connecting hole is positioned in the middle part of funnel 12.So, during concreting in steel pipe column casing, gripper shoe can be set aside to steel pipe column casing upper port, flow downward to, bottom steel pipe column casing, complete casting concrete blanking in the concrete being stirred is poured into funnel by tower crane and suspension bucket conveying and along glue conduit.Avoiding directly pouring concrete into can be excessive too high due to steel pipe column casing, causes concrete to fall rear bleeding and produces layering, affects pouring quality.Use funnel and glue conduit, not only facilitate concrete to pour into, and the guiding effect of glue conduit ensure that concrete will not bleeding, it is ensured that pour effect.Further, gripper shoe 10 uses broadside size to obtain more than the rectangle template of steel pipe column casing external diameter, so conveniently implements and with low cost, is beneficial to manufacture.Further, glue conduit 11 uses the glue conduit of diameter 200mm, it is ensured that concrete has bigger blanking efficiency, can have again and preferably guide effect, and when being poured into top position, short glue conduit can be cut easily and upwards pour to adapt to pour be in progress.Further, glue conduit 11 upper end extend transversely through be provided with two in criss-cross spacer bar 13, and by spacer bar 13 support mounting be fixed to above the connecting hole of gripper shoe 10.It is so owing to this connects without sealing, therefore uses spacer bar to connect that simple in construction, and facilitate site operation is the most also beneficial to follow-up operation when needing to cut short glue conduit.Further, described funnel 12 horizontal direction rectangular in cross-section, after so convenient employing template cutting, concatenation construction obtains, prepared by beneficially execute-in-place.

In f step, have employed in bracket basis, annular steel facing surface above and be positioned at i shaped steel uper side surface and be respectively provided with the technology of perforation.During concreting, small-sized vibrating spear can enter into bracket basic internal by perforation, carries out the concrete vibrating at node, the degree of compaction of Concrete Structure, improving structural strength at node, the concrete of intra-node can get rid of air by new hole-opening simultaneously, improves concrete pouring quality.

In g step, concrete surface not dehydration can be made to be to take curing in the mold mode, is in moisture state.Effectively prevent the concrete in early days easy dehydration in surface and the appearance of cracking phenomena.Before form removable, can with under the conditions of test block carry out pressure testing, treat that concrete strength arrives and 100% can propose form removal application.Before form removal, each side of reply participation dismounting work carries out written safe practice and tells somebody what one's real intentions are.Should remove in strict accordance with the principle of " rear first tear open, first prop up and tear open afterwards " during dismounting.

In present embodiment, during described b step completes the on-site hoisting welding of steel pipe column casing, specifically include following little step:

B1, each it is welded with the four pieces of otic placodes horizontally outward extended being uniformly distributed circumferentially near end at the upper and lower two ends of steel pipe column casing, is positioned on the otic placode of upper end and is provided with lifting hole(eyelet)；

B2, the symmetrical binding in employing four-ply steel wire rope (φ 21) four directions connect the four pieces of otic placodes being positioned at steel pipe column casing upper end, are lifted to above mounted steel pipe column casing just to position by tower crane；

B3, make steel pipe column casing unsettled by tower crane load-bearing and between the mounted steel pipe column casing of lower section keep welding seam distance, adjust after unsettled steel pipe column casing position makes itself and the alignment leveling of lower section mounted steel pipe column casing, be weldingly fixed on by contiguous block fixing between upper end otic placode and the unsettled steel pipe column casing lower end otic placode of the mounted steel pipe column casing in lower section after remove the steel wire rope connecting tower crane；

B4, complete the butt welding of butt welded seam, be then cut out otic placode and the otic placode of mounted steel pipe column casing upper end, lower section of the steel pipe column casing lower end of construction, i.e. complete welding.

So, use unsettled setting to reserve weld seam to weld, it is ensured that between steel pipe column casing, joint can weld and completely leave no gaps, it is ensured that joint quality.Wherein, the otic placode set up before can facilitating the lifting of steel pipe column casing and follow-up adjustment alignment and welding fixing grade operate；Use the symmetrical binding connection of four-ply steel wire rope (φ 21) four directions to can ensure that lifting balance, be beneficial to be directed at connection；Tower crane load-bearing is used can conveniently to regulate alignment, steel pipe column casing unsettled above Tong Shi and lower section mounted steel pipe column casing alignment after lean against be welded to connect between otic placode block fixed after dismounting tower crane steel wire rope weld again, it can be avoided that rock during welding, it is ensured that welding quality.Finally cut off lower end otic placode and avoid affecting subsequent construction, when reservation upper end otic placode is installed for top follow-up steel pipe column casing.

In present embodiment, in step b1, steel pipe column casing lateral surface each have at top and bottom two circumferentially on be separated by the vertically arranged control bus of radian of quadrant, when step b3 adjusts unsettled steel pipe column casing position, the outer side-lower of control bus at unsettled steel pipe column casing sets up two theodolites, observe when two buses in the outside upper portion of all mounted with the lower section steel pipe column casing of two buses in the unsettled outside lower portion of steel pipe column casing each align point-blank on the basis of bus by theodolite, it is judged that unsettled steel pipe column casing position leveling.

So, use theodolite to observe the bus judging to arrange below steel pipe column casing in two mutually orthogonal directions and the most point-blank judge whether upper and lower steel pipe column casing is directed at, can be with simple and fast and accurately auxiliary realization alignment judgement, improve the degree of accuracy of steel pipe column casing alignment, the beam column axial line obtained after ensureing docking is consistent, it is ensured that beam column quality.

In present embodiment, in step b1, being positioned in four pieces of otic placodes of steel pipe column casing upper end, otic placode outer end also has the gripper shoe being fixedly installed straight up, and gripper shoe upper end exceeds position, steel pipe column casing upper surface and the part composition jack horizontal supporting portion exceeded；When adjusting unsettled steel pipe column casing position in step b3 simultaneously, two vertically arranged jack apical graftings, two otic placodes in the bottom of both sides, unsettled steel pipe column casing corresponding tilt direction and lower section have been installed steel pipe column casing top the most just to two otic placodes between, between jack horizontal supporting portion and the lower side surfaces of unsettled steel pipe column casing of the gripper shoe that two horizontally disposed jack radially apical graftings have been installed in lower section two other otic placode of steel pipe column casing top again, rely on and control the flexible of four jack, realize the adjustment to unsettled steel pipe column casing position and realize alignment leveling.

So, rely between two pairs of otic placodes up and down of two vertically arranged jack apical grafting incline directions, two jack additionally along back position horizontal radial apical grafting at unsettled steel pipe column lower side surfaces, adjustment can be ejected conveniently by jack, the steel pipe column casing rotating inclined upward state makes it adjust to vertical state, have simple to operation and clamping reliable, the feature that regulation controllability is good.The most further, if two jack each apical graftings of level of relative can be abutted up in the side needing regulation when needing horizontal position adjustment installed realization regulation between the jack horizontal supporting portion of both sides, steel pipe column casing top and unsettled steel pipe column casing lower side surfaces in lower section, when needing height and position to adjust weld seam size, can lean on again and a vertical jack apical grafting respectively is each set on four direction install in lower section and realize regulation between otic placode corresponding to steel pipe column casing top and unsettled steel pipe column casing bottom.

Above-mentioned construction handling alignment procedures may refer to Fig. 4 and understands, simultaneously, in above-mentioned handling alignment procedures, outside steel pipe column casing, i.e. form handling alignment as shown in Figure 5 adjust supplementary structure, described handling alignment adjusts supplementary structure and includes be uniformly distributed circumferentially four pieces of otic placodes horizontally outward extended 14 that steel pipe column casing about 1 two ends are each welded near end, is positioned on the otic placode of upper end and is provided with lifting hole(eyelet).Thus convenient employing tower crane carries out handling and can beneficially keep handling process steady.Then, further in the four pieces of otic placodes 14 being positioned at steel pipe column cylinder upper end, otic placode outer end is fixedly installed gripper shoe 15 the most straight up, and gripper shoe 15 upper end exceeds position, steel pipe column casing upper surface and the part composition jack horizontal supporting portion 16 exceeded.So, jack 17 is relied on to carry out tilt adjustments alignment with regard to convenient realization.Further steel pipe column casing 1 lateral surface each arrange at top and bottom two circumferentially on be separated by the vertically extending control bus 18 of radian of quadrant, then set up two theodolite (not shown) at the outer side-lower of control bus of unsettled steel pipe column casing.Just can preferably observe and be adjusted to ensure that alignment is reliable.Additionally, during enforcement, can also be further, boatswain chair 19 straight up, described boatswain chair 19 lower end and the fixing welding of otic placode 14 are set in the otic placode 14 inner one end upper surface middle part being positioned at upper end, welding fixing with steel pipe column casing inside boatswain chair, described lifting hole(eyelet) is arranged on boatswain chair 19, so, more improve handling hitch point bonding strength, facilitate its stress to suspend in midair.

nullIn present embodiment，In step b2，Postpone when steel pipe column casing is lifted to positive para-position above mounted steel pipe column casing by tower crane，In lower section, mounted steel pipe column casing lateral surface arranges support means near upper end position，Described support device structure sees shown in Fig. 6-7，Anchor ear sheet 20 including two sections of arcs，Anchor ear sheet 20 arc is consistent with steel pipe column casing lateral surface arc and anchor ear sheet two ends stretch out formation anchor ear connecting portion 21，It is provided with bolt hole on anchor ear connecting portion and docks by connecting bolt 22，After two sections of anchor ear sheets 20 are closely attached on steel pipe column casing lateral surface the most relatively，The gap less than connecting bolt length is left between relative anchor ear connecting portion，And it is fixed to steel pipe column casing lateral surface for being held tightly by anchor ear sheet through bolt hole docking by connecting bolt，Every section of anchor ear sheet lateral surface is at least fixedly installed two horizontal support member horizontally outward extended 23.

So so that during b3 step, operator can carry out steel pipe column cylinder Levelling operation on standing support device under safety rope is protected.Further, horizontal support member 23 is welded to anchor ear sheet lateral surface obtains for supporting angle steel.Yet further, horizontal support member 23 outer end face has the mounting column 24 being fixedly installed straight up.

nullIn present embodiment，Before step b4 carries out butt welding，First a preventer is set in support means，Described protective device structure sees Fig. 8-10，Including being positioned at the bottom surface layer structure 25 of lower section and top coat structure 26 above，Bottom surface layer structure 25 includes ring outside the bottom surface inner annular element and bottom surface of the setting of steel pipe column casing circumferential lateral surface，Outside bottom surface inner annular element and bottom surface, between ring, level is fixedly connected with some bottom surfaces connector，Top coat structure 26 includes end face inner annular element and the outer ring of end face arranged around steel pipe column casing circumferential lateral surface，Between end face inner annular element and the outer ring of end face, level is fixedly connected with some end face connectors，Some inner side studs 27 being uniformly distributed circumferentially the most vertically it are fixedly connected with between described bottom surface inner annular element and end face inner annular element，Some outside studs 28 being uniformly distributed circumferentially the most vertically it are fixedly connected with between ring and the outer ring of end face outside described bottom surface，Stud outer surface also cincture in outside is enclosed and is provided with a circle protective cloth 29.

So, preventer can improve welding individual processing safety, simultaneously protective cloth can windbreak function to ensure welding quality, also additionally be able to play shaded effect, prevent from welding high light to leak, effectively prevent light pollution and avoid the welding impact on other construction worker of lower section.

In present embodiment, the bottom surface layer structure 25 of above-mentioned preventer, top coat structure 26, inner side stud 27 and outside stud 28 are ferrous materials and prepare, and are weldingly connected to facilitate and ensure self-strength.One layer of asbestos cloth 31 can also be laid further, to prevent welding spark from falling to operative below the impact of lower section in bottom surface layer structure 25.Further, outside bottom surface, in ring, the mounting column of the horizontal support member outer end of corresponding support means is provided with the installing hole of coupling, facilitates preventer installation in support means to be located by connecting.Further, inner side stud 27 offering screw and is connected with carrying bolt 29, carrying bolt 29 is positioned at the two ends of screw and is each provided with a locking nut 30.As such, it is possible to after preventer is installed in support means, tightens carrying bolt and make its inner push against steel pipe column tube outer surface, then rotate against locking by two locking nuts；Can ensure that and be tightened to steel pipe column tube outer surface on preventer is circumferentially, reduce shake, improve high-altitude application safety and ensure welding quality.Protective cloth is colour bar cloth further, improves work high above the ground alarming effect.Enclose mutually on the stud of outside further and be connected with safety rope 32, preferably to improve high-altitude working safety.

In present embodiment, in step e, Figure 11 is seen for forming the structure of the arc mould of bracket body arcuate side surface between crossbeam, including the arc formwork 33 that overall radian is consistent with bracket bodies side surface radian, some vertically arranged flitch parts 34 it are fixedly connected with outside arc formwork 33, being fixedly connected with the horizontally disposed curved steel tube 35 consistent with arc formwork radian outside flitch part 34, wherein arc formwork 33 is fixed on flitch part 34 obtain after being bent by monoblock rectangle template.

So, this arc mode structure is simple, and can be obtained by the planar rectangular template conversion formed, and takes full advantage of waste and old template and steel pipe, improves stock utilization while reaching prescription.

In present embodiment, adopt between arc formwork 33 and flitch part 34 and nail, conveniently realize the intensity bending forming of arc formwork.Curved steel tube 35 includes vertically being fixedly connected with vertical reinforcement steel pipe 36 between the most arranged side by side at least two piece, and curved steel tube 35, supports bulk strength to ensure the bending force to rectangle template to improve.Fastener 37 is used to connect, to facilitate attended operation between steel pipe 36 as preferred curved steel tube 35 and vertical reinforcement.Steel wire 38 binding is used to connect, while ensureing bonding strength, it is to avoid the excessive laminating affected between flitch part medial surface and arc formwork 33 of connector between curved steel tube 35 and flitch part 34.It is connected to curved steel tube 35 outer surface so that it is avoid interference with being fitted and connected between flitch and arc formwork as the most vertical steel pipe 36 of strengthening.

Specifically, the arc mould of said structure, can be obtained by lower section method step:

(1) utilize BIM technology to set up the model of bracket basis segmental arc template, draw the technical parameter that template is processed, guide workman template is processed and makes.

(2) the common scaffolding steel pipe using on-the-spot specification to be Ф 48.3 × 3.6mm, according to the radian of bracket segmental arc, utilizes the bending machine apparatus processing of specialty to go out to meet the curved steel tube of needs.

(3) according to bracket height H, process vertical identical with bracket height of length and strengthen that steel pipe is several and flitch is several.

(4) vertical steel pipe of strengthening is vertically arranged one along curved steel tube lateral arcs length direction every 300mm, utilizes fastener to be fastened with vertical steel pipe of strengthening by curved steel tube；Flitch is vertically arranged one along direction inside curved steel tube every 150mm, utilizes the steel wire with some strength and toughness to be fastened with curved steel tube by flitch, it is ensured that fastening strength (does not offsets) simultaneously.

(5) launch the size (arc length of segmental arc is the length of common templates, and bracket height H is the width of common templates) of rectangle according to bracket segmental arc, the rectangle template processing needs is stand-by.

(6) one end of rectangle template is directed at curved steel tube, it is placed in above flitch, nail is utilized to be fixed with flitch by rectangle template, it is fixed to the other end from one end of curved steel tube successively, it is deformed into required radian, the perpendicularity of rectangle template to be ensured in fixation procedure by nail fixing extruding by force rectangle template.Rectangle template is fixed along the radian direction of curved steel tube, has ultimately formed the cylinder bracket arc construction mould with some strength.

In present embodiment, before nail is fixing, first template is heated up to 80-150 DEG C and releasing agent is spread in painting, so, template is generally timber, is beneficial to its bending and avoids rupturing in required arc after softening of heating, smearing release agent after simultaneously heating, being beneficial to releasing agent and infiltrate into template surface, improve surface flatness and be beneficial to the follow-up demoulding, releasing agent also is able to gap that filling template bending causes and avoids rupturing simultaneously.Releasing agent can be bought existing releasing agent product or use fluid to obtain.

Therefore said method can improve construction quality, ensure building intensity, alleviate the labor intensity of workman, improve the labor efficiency of workman, compared with traditional construction, there is more convenient operation, the features such as construction quality is more reliable, cost is less expensive, there is bigger application value, be particularly suitable in skyscraper especially popularization and application in high-rise building.

Claims (3)

1. a steel pipe column casing handling alignment adjusts supplementary structure, it is characterised in that includes be uniformly distributed circumferentially four pieces of otic placodes horizontally outward extended that the upper and lower two ends of steel pipe column casing are each welded near end, is positioned on the otic placode of upper end and is provided with lifting hole(eyelet)；

Steel pipe column casing lateral surface be each provided with at top and bottom two circumferentially on be separated by the vertically extending control bus of radian of quadrant, the outer side-lower of control bus being additionally included in unsettled steel pipe column casing sets up two theodolites.

2. steel pipe column casing handling alignment as claimed in claim 1 adjusts supplementary structure, it is characterized in that, in the four pieces of otic placodes being positioned at steel pipe column cylinder upper end, otic placode outer end is fixedly installed gripper shoe the most straight up, and gripper shoe upper end exceeds position, steel pipe column casing upper surface and the part composition jack horizontal supporting portion exceeded.

3. steel pipe column casing handling alignment as claimed in claim 1 adjusts supplementary structure, it is characterized in that, in the otic placode being positioned at upper end inner one end upper surface middle part, boatswain chair straight up is set, described boatswain chair lower end and the fixing welding of otic placode, fix weld with steel pipe column casing inside boatswain chair, described lifting hole(eyelet) is arranged on boatswain chair.