CN204001427U - A kind of steel pipe column suspension column is installed the pre-buried positioning supports structure with location ring flat-plate - Google Patents
A kind of steel pipe column suspension column is installed the pre-buried positioning supports structure with location ring flat-plate Download PDFInfo
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- CN204001427U CN204001427U CN201420450426.2U CN201420450426U CN204001427U CN 204001427 U CN204001427 U CN 204001427U CN 201420450426 U CN201420450426 U CN 201420450426U CN 204001427 U CN204001427 U CN 204001427U
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Abstract
The utility model discloses a kind of steel pipe column suspension column the pre-buried positioning supports structure with location ring flat-plate is installed, it is characterized in that, comprise the vertical rod support being embedded in foundation ditch, described vertical rod support comprises that the fixing reinforcing bar of four lower sides is fixed to the vertical rod of base concrete bed course, four vertical rod upper ends are provided with two 1# supporting steel pipe and 2# supporting steel pipes that level is relative, 1# supporting steel pipe and 2# supporting steel pipe upper surface directly support and are welded and fixed described location ring flat-plate, in the vertical rod of below, be provided with two levels relatively and 3# supporting steel pipe and the 4# supporting steel pipe vertical with 1# supporting steel pipe, described location ring flat-plate is welded and fixed by vertical reinforcing bar and 3# supporting steel pipe and 4# supporting steel pipe.While adopting the utility model structure that location ring flat-plate can be conveniently installed, can realize more quickly support and the Level tune of location ring flat-plate, make its constructing operation convenience and supporting and location reliable.Can guarantee the stable support effect after subsequent installation suspension column simultaneously.
Description
Technical field
The utility model relates to a kind of steel pipe column construction field, is specifically related to a kind of steel pipe column suspension column the pre-buried positioning supports structure with location ring flat-plate is installed.
Background technology
Steel pipe column (being steel core concrete column) refers to, fill concrete in steel pipe and form and steel pipe and core concrete thereof can bear the architectural support structure member of external load effect jointly, press section form difference, can be divided into concrete filled steel tube and quadrate steel pipe column etc., in steel pipe column, steel pipe makes concrete in three dimension stress state to the concrete effect of contraction in its inside, has improved concrete compressive strength; The concrete of steel duct can prevent again steel pipe generation cripling effectively.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 concrete destruction of steel duct change plastic failure into by brittle fracture, and the ductile performance of member is obviously improved, and energy dissipation capacity improves greatly, has superior anti-seismic performance.
Large-diameter Steel tubing string in the application is to refer in particular in circular steel tubing string to fill out and fill with concrete round steel tubing string, and major diameter generally refers to diameter 1200mm～1800mm scope.This Large-diameter Steel tubing string can adapt to greatly across, the condition such as towering, heavily loaded, meet the industrial requirement of Modern Construction Technology, be widely used in individual layer and multi storied industrial factory building post, large span and space structures, commercial square, multistory office and house, high level and super highrise building.
But because the diameter of steel tube of Large-diameter Steel tubing string is larger, therefore the suspension column construction method of ordinary steel tubing string is no longer applicable, have location inconvenience, the defects such as complex operation, need to redesign more convenient operation, and installation is more precisely quick, the construction method that construction quality is higher.
In order to address the above problem, applicant considers to design a kind of new large diameter steel pipe suspension column construction method, wherein in the time of construction, consider at the pre-buried location ring flat-plate that is provided with an annular in the surface of foundation ditch concreting, on the ring flat-plate of location, be provided with four crab-bolt installing holes along orthogonal two diametric(al)s, described four anchor bolt preburied being arranged in four crab-bolt installing holes be installed; Can conveniently realize like this installation and the aligning of steel pipe column by circular orientation plate; Improve construction quality.
But in the time that construction arranges location ring flat-plate, should adopt what kind of positioning supports structure, while being beneficial to construct, can conveniently locate the supporting and location of ring flat-plate self, and the follow-up weight that can bear better suspension column realizes stable support, become and need to be considered the problem that solves.
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 a kind of supporting and location that can conveniently locate ring flat-plate, and the follow-up weight that can bear better suspension column realizes the pre-buried positioning supports structure of the steel pipe column suspension column installation location ring flat-plate of stable support.
In order to solve the problems of the technologies described above, the utility model has adopted following technical scheme:
A kind of steel pipe column suspension column is installed the pre-buried positioning supports structure with location ring flat-plate, it is characterized in that, comprise the vertical rod support being embedded in foundation ditch, described vertical rod support comprises that four along the equally distributed fixing reinforcing bar of place, steel pipe column axle center circle, fixing reinforcing bar vertically arranges, described fixing reinforcing bar lower end is fixed to base concrete bed course to downward-extension, fixing reinforcing bar upper end is welded with the vertical rod of tube material straight up, four vertical rod upper ends are provided with two 1# supporting steel pipe and 2# supporting steel pipes that level is relative, 1# supporting steel pipe and 2# supporting steel pipe upper surface directly support and are welded and fixed described location ring flat-plate, between 1# supporting steel pipe and 2# supporting steel pipe and vertical rod, binding is provided with two layers of mesh sheet muscle, in the vertical rod of 1# supporting steel pipe and 2# supporting steel pipe below, be provided with two levels relatively and 3# supporting steel pipe and the 4# supporting steel pipe vertical with 1# supporting steel pipe, between 3# supporting steel pipe and 4# supporting steel pipe and vertical rod, binding is provided with one deck net sheet muscle, described location ring flat-plate is welded and fixed by vertical reinforcing bar and 3# supporting steel pipe and 4# supporting steel pipe.
In the utility model, be provided with special vertical rod supporting structure, realize the support of location ring flat-plate, adopt this structure, when location ring flat-plate can be conveniently installed, can realize more quickly support and the Level tune of location ring flat-plate, make its constructing operation convenience and supporting and location reliable.Can guarantee the stable support effect after subsequent installation suspension column simultaneously.
As optimization, the position of described vertical rod horizontal direction is positioned at the position of four crab-bolts along four crossing points of the tangent line of place circle.
After optimizing like this, the support stressed more science equilibrium of supporting steel pipe to location ring flat-plate, ensures that stability of strutting system is better.
In sum, while adopting the utility model structure that location ring flat-plate can be conveniently installed, can realize more quickly support and the Level tune of location ring flat-plate, make its constructing operation convenience and supporting and location reliable.Can guarantee the stable support effect after subsequent installation suspension column simultaneously.
Brief description of the drawings
Fig. 1 is the structural representation of overlooking direction of the present utility model.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is a kind of Large-diameter Steel tubing string suspension column structural representation that has adopted the utility model structure.
Detailed description of the invention
Below in conjunction with a kind of large diameter steel pipe suspension column construction method that has adopted the utility model structure and accompanying drawing, the utility model is described in further detail.
When concrete enforcement: a kind of Large-diameter Steel tubing string suspension column construction that has adopted the utility model structure, comprises the following steps:
A, after foundation ditch acceptance(check), in foundation ditch, pour into a mould the base concrete bed course of C30;
B, above foundation ditch bed course colligation bottom reinforcement bars net sheet and sidewall reinforced mesh;
C, four crab-bolts of installation;
Above-mentioned steps a and step b self are ripe prior art, do not describe in detail at this, and the method is made the place of improving and contributing to prior art, be:
Described crab-bolt is M36 crab-bolt, crab-bolt adopts pre-buried location ring flat-plate to position while installation, before location ring flat-plate is pre-buried, adopt structure of the present utility model to realize supporting and location, specifically, adopt the vertical rod stent support of steel tubular structure to position installation, described location ring flat-plate adopts width 100mm, and the doughnut-shaped steel plate of thickness 10mm, to guarantee crab-bolt installation accuracy; On doughnut-shaped steel plate, be provided with four crab-bolt installing holes along orthogonal two diametric(al)s.Time prepared by doughnut-shaped steel plate, first setting-out blanking, afterwards according to first unwrapping wire on steel plate strip (being doughnut-shaped steel plate) of the relative position of crab-bolt, find out the relative position (both relative positions of every post crab-bolt) of anchor hole, then be placed on platen hole (being crab-bolt installing hole), the diameter in hole, than the large 1mm of crab-bolt diameter, is beneficial to crab-bolt and installs.
Wherein, the concrete steps of pre-buried location ring flat-plate comprise: crab-bolt is installed front on foundation ditch bed course, adopt total powerstation unwrapping wire (drawing criss-cross basic axis), first determine four crab-bolt positions according to drawing, four points that then intersect along the tangent line of place circle four crab-bolts are defined as vertical rod installation site; When colligation bottom reinforcement bars net sheet, avoid vertical rod installation site, and bore the fixing hole of φ 16mm and dark 20mm downwards four vertical rod installation sites, adopt the fixing reinforcing bar of φ 16mm squeeze into straight down in fixing hole and leave the welding section protruding upward outside fixing hole, on the welding section of fixing reinforcing bar top, be welded and fixed straight up the vertical rod of tube material; After vertical rod is fixing, first penetrate three-layer network sheet muscle (reinforced mesh), then first adopt steel tube fastener to connect in vertical rod upper end two 1# supporting steel pipe and 2# supporting steel pipes that level is relative are set, adjust 1# supporting steel pipe and 2# supporting steel pipe planeness and highly make its upper surface for direct supporting and location ring flat-plate by Mobile steel tube clamps, two layers of mesh sheet muscle (top that penetrates three-layer network sheet muscle is two-layer) in colligation below 1# supporting steel pipe and 2# supporting steel pipe again, upper two layers of mesh sheet muscle is by fixed to 1# supporting steel pipe and 2# supporting steel pipe and four vertical rods; Two levels are set relatively and 3# supporting steel pipe and the 4# supporting steel pipe vertical with 1# supporting steel pipe by connecting in the vertical rod of steel tube fastener below upper two layers of mesh sheet muscle again, after then colligation three-layer network sheet muscle (orlop of the three-layer network sheet muscle penetrating) makes 3# supporting steel pipe and 4# supporting steel pipe and vertical rod fixed; Then doughnut-shaped steel plate is supported and is arranged on 1# supporting steel pipe and 2# supporting steel pipe upper surface, and make four crab-bolt installing holes on doughnut-shaped steel plate and four crab-bolt position consistency (before and after welding, carry out position measurement check guarantee crab-bolt position of mounting hole and place top surface plane positional precision accurate), to between doughnut-shaped steel plate and 1# supporting steel pipe and 2# supporting steel pipe, be welded and fixed, simultaneously by the reinforcing bar of vertical diameter 20mm, doughnut-shaped steel plate and 3# supporting steel pipe and 4# supporting steel pipe are welded and fixed; Then in the crab-bolt installing hole of doughnut-shaped steel plate, install crab-bolt, check after crab-bolt positioning precision meets code requirement and complete suspension column bottom concreting, construction that steel pipe column lifting is fixed and be in the milk in suspension column bottom.
Wherein, crab-bolt is installed when enforcement and adopts M36 crab-bolt, crab-bolt is installed and is adopted the fixing mode of upper and lower nut to install, fixing reliable and stable to guarantee; In the concreting process of suspension column bottom, note the protection of steel plate strip and opposition shaft bar, forbid producing and clash into; When erection of steel pipe column, lifting hoisting point position is the otic placode on steel pipe column top, couples together, to ensure to lift by crane safety by shackle and wire rope.Preferably adopt 25t mobile crane to lift.After steel pipe column is in place, adopt double nut to be fixed with the mounting flange of installing hole through crab-bolt and steel plate strip (locating ring flat-plate) pipe column lower end.As preferably, before steel pipe column lifting, need draw bus at the symmetrical four direction of steel pipe column crust in addition, identical with basic axis while being convenient to steel column hoisted in position, reach the control of installation site precision by axis.
Wherein, can adopt single nut to regulate Steel Pipe Column footnote high; Be specially, before head saves steel pipe column lifting, first single nut is screwed into certain position in crab-bolt, by two total powerstation control steel pipe column axial location, after the lifting of first joint steel pipe column and axial location are determined, by regulating single nut control Steel Pipe Column footnote high, in adjusting elevation process, require the symmetrical adjusting of operating personnel again, and by the mode of fine tuning after first coarse adjustment, the installation accuracy that ensures steel pipe column requires single nut to have enough intensity, to guarantee its stability simultaneously.Steel Pipe Column footnote height adopts double nut to fix steel pipe column after determining again, specifically, after first joint steel pipe column absolute altitude is determined, (bottom junction steel plate is the steel plate that is used to form mounting flange that pipe column lower end is welded and fixed first steel pipe column bottom junction steel plate to be placed in to crab-bolt, on steel plate, be preset with the installing hole corresponding with crab-bolt), by double nut centering crab-bolt, adopt special spanner to be screwed in crab-bolt subsequently, ensure that double nut is fixed to steel pipe column.Make so swift to operate, accurate positioning and fixing reliable.Finally carry out suspension column bottom grouting, be head save steel pipe column fixing after, with the space between High Strength Non-shrinking Filling Material pouring steel pipe column suspension column and suspension column concrete, specific implementation process is according to common stone bolt grouting execution.
From said process, this construction method, adopted a kind of Large-diameter Steel tubing string suspension column that pre-buried location structure is installed, specifically, this structure is the base concrete bed course that comprises foundation ditch bottom, be positioned at the concreting on foundation ditch base concrete bed course, four that are embedded in concreting crab-bolt is installed, the pre-buried location ring flat-plate that is provided with an annular in concreting surface, on the ring flat-plate of location, be provided with four crab-bolt installing holes along orthogonal two diametric(al)s, described four anchor bolt preburied being arranged in four crab-bolt installing holes be installed.Described location ring flat-plate is width 100mm, the doughnut-shaped steel plate of thickness 10mm.In the concreting of ring flat-plate below, described location, adopt braced structures of the present utility model to realize the supporting and location of location ring flat-plate, while being Embedment and installation for the vertical rod support of supporting and location ring flat-plate, described vertical rod support comprises that four along the equally distributed fixing reinforcing bar of place, steel pipe column axle center circle, fixing reinforcing bar vertically arranges, described fixing reinforcing bar lower end is fixed to base concrete bed course to downward-extension, fixing reinforcing bar upper end is welded with the vertical rod of tube material straight up, four vertical rod upper ends are provided with two 1# supporting steel pipe and 2# supporting steel pipes that level is relative, 1# supporting steel pipe and 2# supporting steel pipe upper surface directly support and are welded and fixed described location ring flat-plate, between 1# supporting steel pipe and 2# supporting steel pipe and vertical rod, binding is provided with two layers of mesh sheet muscle, in the vertical rod of 1# supporting steel pipe and 2# supporting steel pipe below, be provided with two levels relatively and 3# supporting steel pipe and the 4# supporting steel pipe vertical with 1# supporting steel pipe, between 3# supporting steel pipe and 4# supporting steel pipe and vertical rod, binding is provided with one deck net sheet muscle, described location ring flat-plate is welded and fixed by vertical reinforcing bar and 3# supporting steel pipe and 4# supporting steel pipe.The position of described vertical rod horizontal direction is positioned at the position of four crab-bolts along four crossing points of the tangent line of place circle.
Said structure sees figures.1.and.2 and understands, and number in the figure 1 represents the fixing reinforcing bar of φ 16mm; Label 2 represents vertical rod, and vertical rod is steel tubular structure; Label 1# represents 1# supporting steel pipe; Label 2# represents 2# supporting steel pipe; Label 3# represents 3# supporting steel pipe; Label 4# represents 4# supporting steel pipe; Label 5 represents pre-buried location ring flat-plate; Label 6 represents the crab-bolt installing hole on the ring flat-plate of location; Label 7 represents the reinforcing bar of diameter 20mm.
When above-mentioned engineering method is implemented, check that crab-bolt positioning precision checks according to code requirement, steel bar stress checks 10 points; cage of reinforcement checks 10 points; topping checks 10 points, and to after the application of force of checkpoint, crab-bolt being carried out the detection of plan-position, skew is within the 5mm of code requirement.Particular exam process operates according to code requirement, not at this detailed description.
When above-mentioned engineering method is implemented, steel pipe column can adopt steel plate to roll rear welding to obtain, steel plate adopts area of computer aided blanking, control steel pipe manufacturing quality, after rolling, obtain steel pipe column cylinder, then at welding bottom, steel pipe column cylinder lower end junction steel plate, bottom junction steel plate forms one and encloses the flange that protrudes from Steel Pipe Column body side surface, on flange, corresponding crab-bolt position is provided with installing hole, on flange and between Steel Pipe Column body side surface, be also circumferentially evenly provided with a circle limiting plate, between limiting plate, form grouting joint filling to facilitate grouting fixing, while welding bottom junction steel plate, ensure that its table plane is vertical with Steel Pipe Column body axis, make after steel pipe column, above-mentioned steps is installed and completes installation.The suspension column structure obtaining after installing is Large-diameter Steel tubing string suspension column structure of the present utility model, its structure comprises that above-mentioned Large-diameter Steel tubing string suspension column installs pre-buried location structure, also comprise steel pipe column, steel pipe column is installed and is fastened on the ring flat-plate of location by described crab-bolt.Wherein said steel pipe column comprises steel pipe column cylinder and the vertical fixing bottom junction steel plate of steel pipe column cylinder lower end welding, bottom junction steel plate forms one and encloses the flange that protrudes from Steel Pipe Column body side surface, on flange, corresponding crab-bolt position is provided with installing hole and is connected with crab-bolt, on flange and between Steel Pipe Column body side surface, be also circumferentially evenly provided with a circle limiting plate, between limiting plate, form grouting joint filling, in the crab-bolt of junction steel plate below, bottom, be provided with single nut, in the crab-bolt of bottom junction steel plate top, be provided with double nut.
Above-mentioned Large-diameter Steel tubing string suspension column structure specifically as shown in Figure 3.Wherein, label 1 represents the fixing reinforcing bar of φ 16mm; Label 2 represents vertical rod, and vertical rod is steel tubular structure, and label 5 represents pre-buried location ring flat-plate, and label 7 represents the reinforcing bar of diameter 20mm.Label 8 represents foundation ditch bed course, and label 9 represents crab-bolt, and label 10 represents three-layer network sheet muscle, and label 11 represents double nut, and label 12 represents single nut, and label 13 represents the bottom junction steel plate of steel pipe column, and label 14 represents grouting joint filling, and label 15 represents steel pipe column cylinder.
Install after steel pipe column, carry out steel pipe column axis, verticality, absolute altitude correction; Wherein verticality control is observed at orthogonal both direction with 2 transits, for convenience of observation, bight steel pipe column is installed in advance.When observation, transit is centered in mast axis, and cross vertical hair is aimed at suspension column place post outer edge point, and observer observes shaft bus from bottom to top by suspension column, commands installation personnel to adjust top pull bar, until capital bus overlaps with longitude and latitude vertical hair simultaneously.In addition, after butt joint ring seam welding is good, shaft verticality is proofreaied and correct.
Install after steel pipe column, be welded and fixed between ring flat-plate at steel pipe column and location, when steel pipe column welding, according to following requirement:
(1) job site butt welding adopts artificial weldering, and interface weld seam is penetration second-order weld, and gradation weldering is full, reduces welding deformation.In welding process, easily produce larger welding residual deformation, cause perpendicularity deviation.Therefore, take measures as follows: 1) every post is fixed welder from bottom to up, with clearly defining responsibilities; 2) symmetrical welding, i.e. the welding of segmentation reverse symmetry order; 3) strictly control the parameters such as welding machine of the same type and welding current; 4) docking is front according to upper segmented column installation deviation value, after calculating, carries out mechanical grinding at the mouth of pipe, keeps weld gap basically identical; 5) before steel pipe column welding, welding rod need cure, and can use after being incubated 2 hours.When welding, welding rod should be placed in electric heating thermal insulation cylinder, ready access upon use.
(2) postwelding polishing, correction and inspection; Will be by clean the polishings such as weld seam splashing around, crator; The verticality that checks steel column, if there is deviation, can adopt firer's correction method, and the perpendicularity deviation of steel column is proofreaied and correct to specification allowed band.
Above-mentioned large diameter steel pipe column construction method is on the basis of traditional construction technology, mode and flow process to steel pipe column location, installation are optimized, greatly shorten the time of the steel pipe column suspension column installation process of knowing clearly, saved the costs such as management fee, labour cost, machinery expense, remarkable in economical benefits.
Claims (2)
1. a steel pipe column suspension column is installed the pre-buried positioning supports structure with location ring flat-plate, it is characterized in that, comprise the vertical rod support being embedded in foundation ditch, described vertical rod support comprises that four along the equally distributed fixing reinforcing bar of place, steel pipe column axle center circle, fixing reinforcing bar vertically arranges, described fixing reinforcing bar lower end is fixed to base concrete bed course to downward-extension, fixing reinforcing bar upper end is welded with the vertical rod of tube material straight up, four vertical rod upper ends are provided with two 1# supporting steel pipe and 2# supporting steel pipes that level is relative, 1# supporting steel pipe and 2# supporting steel pipe upper surface directly support and are welded and fixed described location ring flat-plate, between 1# supporting steel pipe and 2# supporting steel pipe and vertical rod, binding is provided with two layers of mesh sheet muscle, in the vertical rod of 1# supporting steel pipe and 2# supporting steel pipe below, be provided with two levels relatively and 3# supporting steel pipe and the 4# supporting steel pipe vertical with 1# supporting steel pipe, between 3# supporting steel pipe and 4# supporting steel pipe and vertical rod, binding is provided with one deck net sheet muscle, described location ring flat-plate is welded and fixed by vertical reinforcing bar and 3# supporting steel pipe and 4# supporting steel pipe.
2. steel pipe column suspension column as claimed in claim 1 is installed the pre-buried positioning supports structure with location ring flat-plate, it is characterized in that, the position of described vertical rod horizontal direction is positioned at the position of four crab-bolts along four crossing points of the tangent line of place circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420450426.2U CN204001427U (en) | 2014-08-12 | 2014-08-12 | A kind of steel pipe column suspension column is installed the pre-buried positioning supports structure with location ring flat-plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420450426.2U CN204001427U (en) | 2014-08-12 | 2014-08-12 | A kind of steel pipe column suspension column is installed the pre-buried positioning supports structure with location ring flat-plate |
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| CN204001427U true CN204001427U (en) | 2014-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420450426.2U Expired - Fee Related CN204001427U (en) | 2014-08-12 | 2014-08-12 | A kind of steel pipe column suspension column is installed the pre-buried positioning supports structure with location ring flat-plate |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104929372A (en) * | 2015-06-12 | 2015-09-23 | 山西四建集团有限公司 | Construction method for accurate steel pipe column installation |
| CN107012977A (en) * | 2017-05-22 | 2017-08-04 | 西安市建筑工程总公司 | A kind of PCF plates install regulation and method of temporarily fixing |
-
2014
- 2014-08-12 CN CN201420450426.2U patent/CN204001427U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104929372A (en) * | 2015-06-12 | 2015-09-23 | 山西四建集团有限公司 | Construction method for accurate steel pipe column installation |
| CN104929372B (en) * | 2015-06-12 | 2017-05-17 | 山西四建集团有限公司 | Construction method for accurate steel pipe column installation |
| CN107012977A (en) * | 2017-05-22 | 2017-08-04 | 西安市建筑工程总公司 | A kind of PCF plates install regulation and method of temporarily fixing |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141210 Termination date: 20160812 |
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| CF01 | Termination of patent right due to non-payment of annual fee |