CN105544991A - Concrete column hoisting in situ method - Google Patents
Concrete column hoisting in situ method Download PDFInfo
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- CN105544991A CN105544991A CN201510883715.0A CN201510883715A CN105544991A CN 105544991 A CN105544991 A CN 105544991A CN 201510883715 A CN201510883715 A CN 201510883715A CN 105544991 A CN105544991 A CN 105544991A
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- concrete column
- positioning
- rim
- center
- cross hairs
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
Abstract
The invention provides a concrete column hoisting in situ method comprising the following steps: burying at least 4 positioning pipes in the root of the column in a concrete column prefabrication process; popping central lines of each positioning pipe in the root of the concrete column and marking a cylindrical surface cross hairs on at least two side face vertical axis after the concrete column is prefabricated; leveling a cup base; drilling at least four positioning holes in positions, corresponding to the concrete column positioning pipes, on the cup base bottom surface; planting steels in the positioning holes on the cup base bottom surface so as to serve as positioning steels, and using cross hairs to mark the center on the top surface; marking column centering insert control points on the cup base top surface corresponding to the concrete column side faces having cylindrical surface cross hairs; hoisting the concrete column to a same axis, vertical to the side face, of the side face cylindrical surface cross hairs cross point and the column centering control points; lowering the concrete column above the positioning steels, superposing the positioning pipe central lines with the cross hairs on the top of the positioning steels so as to insert the positioning steels into the positioning pipes, and grouting for fixation.
Description
Technical field
The present invention relates to structural steelwork technical field of building construction, more specifically, particularly a kind of concrete column hoisted in position method in structural steel industrial building.
Background technology
As shown in Figure 1, large-scale steel structure industrial premises general building surface in big industrial factory in building construction process generally adopts the concrete columns 100 such as Prefabricated Concrete I-column, lattice column or rectangular column as support column, and basis adopts single footing or rim of a cup basis 200.Because rim of a cup basis 200 allows construction error, position adjustable and firm with concrete column 100 anchoring, large-sized workshop basis is general all adopts rim of a cup basis 200, the main technique of concrete column 100 lifting construction is: by crane, concrete column 100 is hung in rim of a cup basis 200, carry on the back tightly with gad 3, then in place according to centre line aligning on post center line and rim of a cup with very heavy item 4, be finally in the milk with fine-stone concrete.The method is used till today always, and existing problems mainly contain:
The first, concrete column 100 is more basic than rim of a cup 200 little many, corrects difficulty, and timing loosens gad 3 repeatedly, and by the outer rim of top, jack 4 side concrete column 100, concrete column 100 easily topples, and the easy losing fangle of root of concrete column 100, affects stressed and attractive in appearance;
Second; concrete column 100 is just put into rim of a cup basis 200 by prior art; secondary centering, in place and improve absolute altitude all need artificial adjustment; not only the time is long; also easy clamp concrete column 100 move with jack 4 time destruction concrete column 100; that is, not only benefit is low for existing concrete column hoisted in position method, is also unfavorable for finished product protection.
Summary of the invention
The present invention is to solve the above-mentioned technical problem that exists in prior art and making, and its object is to provide a kind of and does not need side fore-set, avoids the concrete column hoisted in position method of post root modification, pop into place.
To achieve these goals, the invention provides a kind of concrete column hoisted in position method, comprising: in concrete column prefabrication process, bury at least four positioning pipes underground at post root bottom part, wherein, arbitrary neighborhood Liang Gen positioning pipe bottom center is symmetrical about concrete column bottom center line; Prefabricated complete concrete column after, bottom concrete column, eject the center line of every root positioning pipe and on the vertical axis of concrete column at least two sides except bottom surface and end face, mark cylinder cross hairs; Rim of a cup basis is levelling; The position corresponding relative to concrete column positioning pipe at rim of a cup foundation bed is drilled with at least four locating holes, and wherein, described locating hole is equal to the center to center distance of concrete column bottom center with described positioning pipe bottom center to the center to center distance of rim of a cup foundation bed; At the described locating hole reinforcement planting of rim of a cup foundation bed as positioning bar, positioning bar one end leaks outside in rim of a cup foundation bed, and the other end inserts below rim of a cup foundation bed, and the end face of positioning bar adopts the center of cross hairs mark positioning bar, wherein, the diameter of positioning bar is less than the diameter of positioning pipe; Rim of a cup corresponding to the concrete column side of cylinder cross hairs basis end face marks post centering inserts control point having with mark, that is, rim of a cup basis end face marks the mid point on the limit of side described in close above-mentioned concrete column; Sling by concrete column, transfer post centering control point to the crosspoint of its side cylinder cross hairs and rim of a cup basis end face with in same level, the crosspoint of adjustment cylinder cross hairs and post centering control point are with on the same axis of this lateral vertical; Continue to transfer concrete column, arrive above positioning bar, bottom concrete column, the center line of positioning pipe overlaps with the cross hairs at positioning bar top, is inserted by positioning bar in positioning pipe, and post is in place, and then grouting is fixing.
Above-mentioned concrete column hoisted in position method, by burying the positioning bar fixing concrete post of positioning pipe and rim of a cup foundation bed in concrete column underground in rim of a cup basis, and utilize the crosspoint of the post centering insertion point on the end face of rim of a cup basis and the cylinder cross hairs on concrete column corresponding surface, the verticality of adjustment concrete column, the cross hairs on rim of a cup foundation bed positioning bar is utilized to overlap with positioning pipe center line, the levelness of adjustment concrete column, make concrete column can complete the verticality of concrete column and the adjustment of levelness without the need to adopting jack and gad, therefore post root can not deform, and can fast by concrete column hoisted in position in rim of a cup basis.
Accompanying drawing explanation
By reference to the content below in conjunction with the description of the drawings and claims, other object of the present invention and result will more be understood and should be readily appreciated that.In the accompanying drawings:
Fig. 1 is the schematic diagram of prior art concrete column lifting;
Fig. 2 is the flow chart of concrete column hoisted in position method of the present invention;
Fig. 3 is the schematic diagram of concrete column hoisted in position of the present invention;
Fig. 4 is the schematic perspective view of concrete column hoisted in position of the present invention;
Fig. 5 is the flow chart that the present invention buries steel pipe underground in concrete column prefabrication process;
Fig. 6 a to Fig. 6 c shows the schematic diagram that concrete column buries the fixed mount of steel pipe underground.
In the accompanying drawings, identical Reference numeral indicates similar or corresponding feature or function.
Detailed description of the invention
In the following description, for purposes of illustration, in order to provide the complete understanding to one or more embodiment, many details have been set forth.But, clearly, also these embodiments can be realized when there is no these details.In other example, one or more embodiment for convenience of description, known structure and equipment illustrate in block form an.
Fig. 2 is the flow chart of concrete column hoisted in position method of the present invention, and Fig. 4 is the schematic diagram of concrete column hoisted in position of the present invention, and Fig. 4 is the schematic perspective view of concrete column hoisted in position of the present invention, and as shown in Figures 2 to 4, described concrete column hoisted in position method comprises:
First, in step S210, in concrete column 100 prefabrication process, bury at least four positioning pipes 110 underground at post root bottom part, wherein, arbitrary neighborhood Liang Gen positioning pipe bottom center is symmetrical about concrete column 100 bottom center line, preferably, the length of positioning pipe 110 is not less than 200mm.
Prefabricated complete concrete column after, in step S220, bottom concrete column 100, eject the center line 111 (Fig. 6 illustrates) of every root positioning pipe 110 and mark cylinder cross hairs 121 on the vertical axis of at least two sides 120 in four faces of concrete column 100 except bottom surface and end face, preferably, four sides of concrete column 100 except bottom surface and end face all mark cylinder cross hairs, in addition, preferably, the center of post center line 112 (Fig. 6 illustrates) mark concrete column bottom surface is launched in concrete column 100 bottom surface.
In step S230, rim of a cup basis 200 is levelling, rim of a cup foundation bed 210 lays pea gravel concreten levelling, makes the height of the levelness of rim of a cup foundation bed 210 and cup base plinth 200 reach designing requirement.
In step S240, the position corresponding relative to concrete column 100 positioning pipe at rim of a cup foundation bed 210 is drilled with at least four locating hole (not shown), wherein, described locating hole is equal to the center to center distance of concrete column 100 bottom center with described positioning pipe 110 bottom center with the center to center distance of rim of a cup foundation bed 210, the diameter of described locating hole is not more than the diameter of above-mentioned positioning pipe 110, and the degree of depth (anchorage depth) of described locating hole is not less than 200mm.
In step s 250, at the locating hole reinforcement planting of rim of a cup foundation bed 210 as positioning bar 211, positioning bar 211 one end leaks outside in rim of a cup foundation bed 210, and the other end inserts rim of a cup foundation bed less than 210, and the end face of positioning bar 211 adopts the center of cross hairs mark positioning bar.
In step S260, rim of a cup corresponding to the concrete column side 120 of cylinder cross hairs basis end face 220 marks post centering insert control point 221 having with mark, namely, rim of a cup basis end face 220 marks the mid point on the limit near side 120 described in above-mentioned concrete column, preferably, around rim of a cup four sides end face on all mark post centering control point, such as can adopt on the end face of total powerstation around rim of a cup and mark described post centering insertion control point, in addition, preferably, as shown in Figure 3, mark cross hairs 222 having on the end face 220 of rim of a cup corresponding to the concrete column side 120 of cylinder cross hairs basis with mark, the intersection point of cross hairs 222 and post centering control point 221 are in the same horizontal line, namely, cross hairs 222 can be used as post centering control line, its intersection point can as post centering control point 221.
In step S270, concrete column 100 is sling, transfer post centering control point 221 to the crosspoint of its side cylinder cross hairs 121 and rim of a cup basis end face 220 with in same level, the crosspoint of adjustment cylinder cross hairs 121 and post centering control point 221 are with on the same axis of this lateral vertical.
In step S280, continue to transfer concrete column 100, arrive the top of positioning bar 211, bottom concrete column 100, the center line 111 of positioning pipe 110 overlaps with the cross hairs at positioning bar 211 top, transfer concrete column 100 to put in place, that is, the positioning bar 211 of cup base plinth 200 inserts in the positioning pipe 110 of concrete column 100, post is in place, and then grouting is fixing.
Preferably, described concrete column hoisted in position method also comprises: prefabricated complete concrete column after, concrete column stands up rear dabbing, the degree of depth in detection and location pipe 110, prevent in precast concrete column process, positioning pipe 110 is filled up by concrete, and the position of detection and location pipe 110, that is, eject the center line of its center line and positioning pipe 110 bottom surface in concrete column 110 bottom surface, whether symmetrically about concrete column 100 bottom center line detect arbitrary neighborhood Liang Gen positioning pipe bottom center.
Preferably, the method for described multiple locating hole reinforcement plantings at rim of a cup foundation bed 210 comprises:
In multiple locating holes of rim of a cup foundation bed 210, insert the reinforcing bar (not shown) being less than locating hole diameter, then adopt epoxy resin anchoring adhesive at locating hole reinforcement planting.
In addition, preferably, the diameter of locating hole is φ 30mm, and the diameter of above-mentioned reinforcing bar is φ 25mm.
Preferably, the positioning pipe 110 buried underground in concrete column 100 is steel pipe, and in addition, preferably, the positioning pipe 110 buried underground in concrete column 100 is DN30 wall thickness 3mm steel pipe.
Above-mentioned concrete column hoisted in position method is by arranging corresponding positioning pipe 110 and positioning bar 211 at concrete column 100 and rim of a cup foundation bed 210, control verticality and the levelness of concrete column 100 lifting, achieve accurate location, greatly improve concrete column 100 and correct benefit, and positioning bar 211 inserts positioning pipe 110, and concrete column root is semifixed afterwards, improves safety.In addition, repeatedly need not loosen iron wedge very heavy top side fore-set edge, prevent post from toppling, improve working security; Avoid jack repeatedly fore-set root cause post losing fangle, affect attractive in appearance.
As shown in Figure 3, preferably, the length that positioning bar 211 exposes rim of a cup foundation bottom is less than the length of positioning pipe 110, and concrete column 100 can be contacted with rim of a cup foundation bottom.
Preferably, the diameter difference of positioning pipe 110 diameter and positioning bar 211 is determined according to concrete column positioning accuracy request, and concrete column positioning accuracy request is higher, and described diameter difference is less.
In addition, preferably, the diameter difference of insertion positioning pipe 110 section diameter of positioning pipe 110 diameter and positioning bar 211 is not more than 0.5 times of concrete column positioning precision, such as, concrete column positioning precision is 20mm, positioning pipe 110 diameter is Φ 30mm, the diameter that described positioning bar 211 inserts positioning pipe 110 part is Φ 25mm, when all positioning pipes 110 insert sideslip with positioning bar 211, maximum concrete column position error is 10mm, therefore, it is possible to ensure that concrete column position error is within the scope of 10mm.
In concrete column hoisted in position method of the present invention, by controlling the diameter difference of positioning pipe 110 and rim of a cup foundation bottom positioning bar, concrete column positioning precision can be improved further.
Concrete column hoisted in position method of the present invention is passed through at the pre-buried positioning pipe of concrete column with in the bar planting of rim of a cup foundation bottom, by in place for former extensive style change into precisely in place, save time, increase the benefit, repeatedly need not loosen iron wedge very heavy top side fore-set edge, prevent post from toppling, improve working security, avoid jack repeatedly fore-set root cause post losing fangle, affect attractive in appearance.
In addition, post correction rate is enhanced about more than once by concrete column hoisted in position method of the present invention, shortens the duration, saves labour cost, and improve post and install and whole speed of application, finished product protection is good simultaneously, and post installs beautiful and clean.
Fig. 5 is the flow chart that the present invention buries steel pipe underground in concrete column prefabrication process, and as shown in Figure 5, the described method burying steel pipe in concrete column prefabrication process underground comprises:
First, in step S510, at least four positioning pipes 110 are inserted on four angles of fixed mount 300, wherein, the shape of fixed mount 300 and the bottom shape identical (being generally I-shaped or rectangle) of concrete column 100 that will be prefabricated, size is less than the bed-plate dimension of described concrete column 100, and concentric with the bottom surface of concrete column 100, preferably, many positioning pipes 110 are welded on fixed mount 300;
After many positioning pipes insert fixed mount 300, in step S520, fixed mount 300 is positioned over bottom concrete column template, sealing positioning pipe 1110 top, concrete perfusion in concrete column template, forms concrete column, wherein, solidifying by concreting, described positioning pipe 110 is fixed in concrete column 100, and described fixed mount 300 is fixed on the bottom of concrete column 100.
Fig. 6 a to Fig. 6 c shows the schematic diagram that concrete column buries the fixed mount of steel pipe underground, as shown in figure 6 a and 6b,
Fixed mount 300 comprises:
Gusset plate 310, rectangular or I-shaped tabular;
At least four through holes 320, be arranged on four angles of gusset plate 310, for inserting positioning pipe 110, as shown in Figure 6 a, four angles of rectangular reinforcing panels 310 are respectively arranged with a through hole 320, as shown in Figure 6 b, four Ge Jiaohe centers of I-shaped gusset plate 310 are respectively provided with through hole 320, a Fig. 6 a and Fig. 6 b and give two embodiments gusset plate 310 being arranged through hole, but the present invention is not limited to this, except above-mentioned position, the optional position of gusset plate 310 all can arrange through hole 320.
As Fig. 6 c shows another embodiment of fixed mount of the present invention, as fig. 6 c, described fixed mount 300 comprises:
Multiple gusset plate 310, is provided with the through hole 320 for inserting steel pipe 110;
Many fixing muscle 330, arrange on the upper surface of any two fixed heads 310, the intersection point of any two fixing muscle 330 is the center of through hole 320 or the center of fixed mount 300, as fig. 6 c, the center of four gusset plates 310 is provided with four through holes 320, gusset plate 320 upper surface is welded with fixing reinforcing bar 330, the four fixing reinforcing bars 330 connecting adjacent two gusset plates 310 form rectangle, two between two gusset plates 310 being in rectangle diagonal positions fixing reinforcing bars 330 intersect, intersection point 331 is centers of fixed mount 300, when after prefabricated complete concrete column 100, by detect intersection point 331 be whether concrete column 100 bottom surface center can the position of detection and location pipe 110 whether accurate.
Fig. 6 c shows another embodiment of fixed mount of the present invention, but the present invention is not limited to this, such as, before precast concrete column, gusset plate 310, fixing muscle 330 can be point body components, after each gusset plate 310 is placed into position shown in Fig. 6 c, inserts positioning pipe 110, between two positioning pipes 110, be welded and fixed muscle 330.
Although disclosed content shows exemplary embodiment of the present invention above, it should be noted that under the prerequisite not deviating from the scope of the invention that claim limits, can multiple change and amendment be carried out.The function of the claim to a method described in inventive embodiments described herein, step and/or action need not perform with any particular order.In addition, although element of the present invention can describe or requirement with individual form, also it is contemplated that multiple, is odd number unless explicitly limited.
Claims (10)
1. a concrete column hoisted in position method, comprising:
In concrete column prefabrication process, bury at least four positioning pipes underground at post root bottom part, wherein, arbitrary neighborhood Liang Gen positioning pipe bottom center is symmetrical about concrete column bottom center line;
Prefabricated complete concrete column after, bottom concrete column, eject the center line of every root positioning pipe and on the vertical axis of concrete column at least two sides except bottom surface and end face, mark cylinder cross hairs;
Rim of a cup basis is levelling;
Be drilled with at least four locating holes in the position that rim of a cup foundation bed is corresponding with concrete column positioning pipe, wherein, described locating hole is equal to the center to center distance of concrete column bottom center with described positioning pipe bottom center to the center to center distance of rim of a cup foundation bed;
At the described locating hole reinforcement planting of rim of a cup foundation bed as positioning bar, positioning bar one end leaks outside in rim of a cup foundation bed, and the other end inserts below rim of a cup foundation bed, and the end face of positioning bar adopts the center of cross hairs mark positioning bar, wherein, the diameter of positioning bar is less than the diameter of positioning pipe;
Rim of a cup corresponding to the concrete column side of cylinder cross hairs basis end face marks post centering inserts control point having with mark, that is, rim of a cup basis end face marks the mid point on the limit of side described in close above-mentioned concrete column;
Sling by concrete column, transfer post centering control point to the crosspoint of its side cylinder cross hairs and rim of a cup basis end face with in same level, the crosspoint of adjustment cylinder cross hairs and post centering control point are with on the same axis of this lateral vertical;
Continue to transfer concrete column, arrive above positioning bar, bottom concrete column, the center line of positioning pipe overlaps with the cross hairs at positioning bar top, is inserted by positioning bar in positioning pipe, and post is in place, and then grouting is fixing.
2. concrete column hoisted in position method according to claim 1, wherein, also comprises:
Prefabricated complete concrete column after, concrete column stands up rear dabbing, the degree of depth in detection and location pipe and position thereof, that is, whether symmetrically about concrete column bottom center line detect arbitrary neighborhood Liang Gen positioning pipe bottom center.
3. concrete column hoisted in position method according to claim 1, wherein, the described method burying four positioning pipes underground at post root bottom part comprises:
Be inserted into by least four positioning pipes on four angles of fixed mount, wherein, the shape of described fixed mount is identical with the bottom shape of concrete column that will be prefabricated, and size is less than the bed-plate dimension of described concrete column, and concentric with the bottom surface of concrete column;
Fixed mount is positioned over bottom concrete column template, sealing positioning pipe top, concrete perfusion in concrete column template, form concrete column, wherein, solidifying by concreting, described positioning pipe is fixed in concrete column, and described fixed mount is fixed on the bottom of concrete column.
4. concrete column hoisted in position method according to claim 3, wherein, described fixed mount comprises:
Gusset plate, rectangular or I-shaped tabular;
At least four through holes, are arranged on four angles of gusset plate.
5. concrete column hoisted in position method according to claim 3, wherein, described fixed mount comprises:
Multiple gusset plate, is provided with the through hole for inserting steel pipe;
Many fixing muscle, arrange on the upper surface of any two fixed heads, and the intersection point of any two fixing muscle is the center of through hole or the center of fixed mount.
6. concrete column hoisted in position method according to claim 3, wherein, the center of four described gusset plates is provided with four through holes, gusset plate upper surface is welded with fixing reinforcing bar, the four fixing reinforcing bars connecting adjacent two gusset plates form rectangle, two fixing reinforcing bars between two gusset plates being in rectangle diagonal positions intersect, and intersection point is the center of fixed mount.
7. the concrete column hoisted in position method according to claim 2 or 6, wherein, described prefabricated complete concrete column after, by detect be in rectangle diagonal positions two gusset plates between the intersection point of two fixing reinforcing bars be whether the center of concrete column bottom surface, whether the position of detection and location pipe accurate.
8. concrete column hoisted in position method according to claim 1, wherein, the diameter difference of described positioning pipe diameter and positioning bar is determined according to concrete column positioning accuracy request, and concrete column positioning accuracy request is higher, and described diameter difference is less.
9. concrete column hoisted in position method according to claim 1, wherein, describedly rim of a cup corresponding to the concrete column side of cylinder cross hairs basis end face marks the method that post centering inserts control point and comprise having with mark: mark cross hairs having on the basic end face of rim of a cup corresponding to the concrete column side of cylinder cross hairs with mark, the intersection point of cross hairs and post centering control point are in the same horizontal line, namely, cross hairs is as post centering control line, and its intersection point can as post centering control point.
10. concrete column hoisted in position method according to claim 1, wherein, the method of described multiple locating hole reinforcement plantings at rim of a cup foundation bed comprises: in multiple locating holes of rim of a cup foundation bed, insert the reinforcing bar being less than locating hole diameter, then adopts epoxy resin anchoring adhesive at locating hole reinforcement planting.
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| CN201510883715.0A CN105544991B (en) | 2015-12-04 | 2015-12-04 | Concrete column lifts installation method |
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| CN201510883715.0A CN105544991B (en) | 2015-12-04 | 2015-12-04 | Concrete column lifts installation method |
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| CN107724419A (en) * | 2017-11-30 | 2018-02-23 | 国网湖北省电力公司咸宁供电公司 | A kind of equipment prefabricated foundation locator and its application method |
| CN108457520A (en) * | 2018-03-01 | 2018-08-28 | 中国二十二冶集团有限公司 | Precast concrete bridge structure installation method |
| CN110158767A (en) * | 2019-05-13 | 2019-08-23 | 浙江大东吴集团建设有限公司 | The vertical concrete component construction method of thin type |
| CN115012663A (en) * | 2022-06-29 | 2022-09-06 | 中冶天工集团有限公司 | Grouting plugging piece and plugging device for prefabricated column root and construction method of grouting plugging piece and plugging device |
| CN115030603A (en) * | 2022-07-28 | 2022-09-09 | 万特福建筑构件有限公司 | Prefabricated wall structure, rapid construction method and construction equipment |
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| CN115012663A (en) * | 2022-06-29 | 2022-09-06 | 中冶天工集团有限公司 | Grouting plugging piece and plugging device for prefabricated column root and construction method of grouting plugging piece and plugging device |
| CN115030603A (en) * | 2022-07-28 | 2022-09-09 | 万特福建筑构件有限公司 | Prefabricated wall structure, rapid construction method and construction equipment |
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|---|---|
| CN105544991B (en) | 2017-08-25 |
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