CN103397780B - Air cooling tower X-type column construction method - Google Patents
Air cooling tower X-type column construction method Download PDFInfo
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- CN103397780B CN103397780B CN201310345388.4A CN201310345388A CN103397780B CN 103397780 B CN103397780 B CN 103397780B CN 201310345388 A CN201310345388 A CN 201310345388A CN 103397780 B CN103397780 B CN 103397780B
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Abstract
The invention discloses air cooling tower X-type column construction method, belong to the realm of building construction.Utilize computer software to draw air cooling tower X-type post stereogram in proportion, from air cooling tower X-type post top, center control point and control point, air cooling tower X-type post bight are projected to ring foundation, calculate data; Utilize total powerstation carry out the actual measurement at each control point at the scene and paint sign, joint bar is adjusted angle of inclination according to paint sign and is inserted also fixation in buttress; Hair terrace in air cooling tower indicates again other subsequent control points; Carry out the cage of reinforcement bind of air cooling tower X-type post according to the control point indicated and template is fixed, set up scaffold simultaneously; Again check the physical location at each control point, concreting.The present invention carries out projection to air cooling tower X-type post determine control point owing to have employed computer software, compared with according to drawing one by one control point mapping more quick and precisely, and to the school inspection of reinforcing bar and template in constructability process, shorten construction period.
Description
Technical field
The present invention relates to construction techniques, especially a kind of air cooling tower X-type column construction method of short construction period.
Background technology
In recent years, Xinjiang region construction of fire and electricity is like a raging fire.This area's geographical conditions are special: rich coal resources, but water resource plaque is weary.The circulating cooling system of conventional thermoelectricity wet type cooling unit loses excessive because of recirculated water, is no longer suitable for local condition.And Air-cooled Unit uses the condensing plant of Air flow turbine discharge.No matter recirculated cooling water is the indirect air cooling mode of sealing and circulating, or without the Direct Air-Cooled mode of recirculated cooling water, recirculated water is not all almost had to lose, boiler replenishing water is only needed to use water with other, the water consumption in air cooling power station obviously reduces, and builds Air-cooled Unit and has very important strategic importance to Xinjiang Thermal Power Industry.Tradition water-cooling tower adopts circular herringbone column, but air cooling tower adopts X square column, and construction technology and construction method are completely different.
Summary of the invention
Technical problem to be solved by this invention is: the air cooling tower X-type column construction method providing a kind of short construction period.
The present invention solves technical scheme that its technical problem adopts: air cooling tower X-type column construction method, comprises the following steps:
A, the working load calculated according to air cooling tower X-type post construction drawing in air cooling tower X-type post work progress, and calculate scaffold according to this working load set up density;
B, employing computer software draw air cooling tower X-type post stereogram in proportion, air cooling tower X-type post upper/lower terminal center control point and control point, post bight are all projected on ring foundation, and utilize software to indicate data;
C, the data drawn according to step b, total powerstation is adopted to carry out the actual measurement at each center control point and control point, bight at the scene and paint sign, the joint bar of air cooling tower X-type post is adjusted angle of inclination according to paint sign and inserts in the buttress cage of reinforcement on ring foundation, and fixation, to buttress cage of reinforcement concreting, form buttress main body;
D, backfill ring foundation and buttress main body, and build a mao terrace, the hair terrace of building indicates the subsequent control point of air cooling tower X-type post again;
E, carry out air cooling tower X-type post cage of reinforcement bind according to the control point indicated in steps d and template is fixed, set up scaffold according to the density of setting up of the scaffold calculated in step a simultaneously;
F, according to right-angled triangle principle, again check the physical location at each control point by elevation and distance, checked after-pouring concrete.
For ensureing that data are accurate, the computer software adopted in step b is 3DMax.
For meeting the construction of large-scale air cooling tower X-type post, concreting described in step f adopts segmentation to build mode, after having built first paragraph, again measured by total powerstation, check air cooling tower X-type post subsequent control point, and colligation second segment air cooling tower X-type post cage of reinforcement, then fixed form, after template is checked, concreting; The construction of each section is completed below according to identical method.
For saving time, accelerating construction progress, reserves the Support Position of next section of air cooling tower X-type post when setting up scaffold.
For ensureing construction quality, described scaffold building has bearing diagonal.
The invention has the beneficial effects as follows: projection is carried out to air cooling tower X-type post determine control point owing to have employed computer software, survey and draw more quick and precisely at control point one by one compared with according to drawing, and in constructability process, the school of reinforcing bar and template is examined, shorten construction period; Because the computer software adopted in step b is that the stereoeffect of 3DMax, 3DMax is better, so projection to obtain data comparatively accurate, namely control point is more accurate; Because the concreting described in step f adopts segmentation to build mode, reduce the difficulty of construction of large-scale air cooling tower X-type post, improve the quality of construction; Owing to reserving the Support Position of next section of air cooling tower X-type post when setting up scaffold, avoid scaffold repeat to set up or redundancy is set up, saved the time, accelerated construction speed, shortened the duration; Because described scaffold building has bearing diagonal, support air cooling tower X-type post, the even collapse accident that deforms to avoid the oblique pressure of work progress hollow cold tower X-type post excessive.
Accompanying drawing explanation
Fig. 1 is the structural representation of air cooling tower X-type column construction method hollow cold tower X-type post of the present invention;
Fig. 2 is the structural representation of scaffold building in air cooling tower X-type column construction method of the present invention;
Fig. 3 is the schematic diagram at center control point and control point, bight in air cooling tower X-type column construction method of the present invention;
Fig. 4 is the position relationship schematic diagram of ring foundation and air cooling tower X-type post in air cooling tower X-type column construction method of the present invention;
Fig. 5 is the structural representation of buttress cage of reinforcement in air cooling tower X-type column construction method of the present invention;
Fig. 6 is the structural representation of hair terrace in air cooling tower X-type column construction method of the present invention;
Fig. 7 be air cooling tower X-type column construction method hollow cold tower X-type post of the present invention with buttress coordinate schematic diagram;
In figure, 1-first paragraph, 2-second segment, 3-the three section, 4-the four section, 5-bearing diagonal, 6-scaffold, 7-center control point, control point, 8-bight, 9-ring foundation, 10-buttress cage of reinforcement, 11-joint bar, 12-buttress main body, 13-hair terrace, 14-air cooling tower X-type post cage of reinforcement.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described, but protection scope of the present invention is not limited to the following stated.
Air cooling tower X-type column construction method of the present invention, comprises the following steps:
A, the working load calculated according to air cooling tower X-type post construction drawing in air cooling tower X-type post work progress, and calculate scaffold 6 according to this working load set up density;
B, employing computer software draw air cooling tower X-type post stereogram in proportion, air cooling tower X-type post upper/lower terminal center control point 7 and control point, post bight 8 are all projected on ring foundation 9, and utilize software to indicate data;
C, the data drawn according to step b, total powerstation is adopted to carry out the actual measurement at each center control point 7 and control point, bight 8 at the scene and paint sign, the joint bar 11 of air cooling tower X-type post is adjusted angle of inclination according to paint sign and inserts in the buttress cage of reinforcement 10 on ring foundation 9, and fixation, to buttress cage of reinforcement 10 concreting, form buttress main body 12;
D, backfill ring foundation 9 and buttress main body 12, and build mao terrace 13, the hair terrace 13 of building indicates the subsequent control point of air cooling tower X-type post again;
E, carry out air cooling tower X-type post cage of reinforcement 14 bind according to the control point indicated in steps d and template is fixed, set up scaffold 6 according to the density of setting up of the scaffold 6 calculated in step a simultaneously;
F, according to right-angled triangle principle, again check the physical location at each control point by elevation and distance, checked after-pouring concrete.
It should be noted that in above-mentioned air cooling tower X-type column construction method, described working load refers to total temporary load(ing) of structure gravity, construction equipment, wind-force etc. that the construction stage is considered for checking computations air cooling tower X-type rod structure or component degree of safety.During construction, temporary load(ing) is shared primarily of scaffold 6, scaffold 6 to set up density larger, the temporary load(ing) shared is larger.Centered by elevation described in step f, control point 7 or control point, bight 8 are apart from the height on ground, are a leg-of-mutton right-angle side; A ray is extended earthward from this control point along cage of reinforcement, an intersection point is had with ground, this intersection point and control point connect into another right-angle side leg-of-mutton at the subpoint on ground, be the distance described in step f, according to right-angled triangle principle, the length of hypotenuse can be calculated, namely can determine the physical location at control point, can compared with the position originally indicated, check, checked after-pouring concrete.Data described in step b are the data such as the coordinate position at each center control point 7 and each control point, bight 8.After engineering starts, foundation ditch excavated by ground, ring foundation 9 described in step b refers to the concrete foundation for supporting buttress and air cooling tower X-type post of building bottom foundation ditch, be positioned at less than zero meter, buttress cage of reinforcement 10 lays binding on this ring foundation 9, then each center control point 7 recorded according to total powerstation and the physical location at control point, bight 8 fix joint bar 11, then concreting, form buttress main body 12.Backfill ring foundation 9, covers buttress main body 12, exposes joint bar 11, and build mao terrace 13.The hair terrace 13 of building indicates subsequent control point again, and this subsequent control point is air cooling tower X-type post and is again projected in each center control point 7 on mao terrace and control point, bight 8.Bind air cooling tower X-type post cage of reinforcement 14 on hair terrace 13, the bind of this air cooling tower X-type post cage of reinforcement 14 carries out bind based on the joint bar 11 exposing buttress main body 12, and strictly according to air cooling tower X-type post subsequent control point location.After air cooling tower X-type post cage of reinforcement 14 bind completes, fix by template, wooden model can be adopted also can to adopt punching block, fixedly complete and carry out concreting after checking, completing the construction of air cooling tower X-type post.
For ensureing that data are accurate, the computer software adopted in step b is 3DMax.Existing mapping software has a lot, the Software on Drawing air cooling tower X-type posts such as 3DMax, UG, CATIA, ProE, solidworks, solidedge, solid3000, CAXA can be adopted, but because the stereoeffect of 3DMax is better, and then projection obtains data comparatively accurately, therefore as preferred embodiment.
For meeting the construction of large-scale air cooling tower X-type post, concreting described in step f adopts segmentation to build mode, after having built first paragraph 1, again measured by total powerstation, check air cooling tower X-type post subsequent control point, this subsequent control point is again be projected in each center control point 7 on first paragraph 1 upper surface and hair terrace and control point, bight 8, has checked the air cooling tower X-type post cage of reinforcement 14 of rear colligation second segment 2, then fixed form, after template is checked, concreting; The construction of each section is completed below according to identical method.As shown in Figure 1, in the present embodiment, air cooling tower X-type post height 27.2m, due to highly larger, divide four sections to build, first paragraph 1 and second segment 2 are positioned at the below of air cooling tower X-type post intersection region, are 7m high, 3rd section 3 is intersection region, high 8m, the 4th section of 4 high 5.2m.
For saving time, accelerating construction progress, reserves the Support Position of next section of air cooling tower X-type post when setting up scaffold 6.Just reserve the Support Position of next section of air cooling tower X-type post when setting up scaffold 6, avoid scaffold 6 repeat to set up or redundancy is set up, saved the time, accelerated construction speed.
For ensureing construction quality, described scaffold 6 is erected with bearing diagonal 5.As shown in Figure 2, because air cooling tower X-type post is heeling condition, horizontal thrust is produced to scaffold 6, easily cause air cooling tower X-type post to be out of shape, even collapse, therefore bearing diagonal 5 is set and supports air cooling tower X-type post, to avoid the generation of this situation.
Claims (4)
1. air cooling tower X-type column construction method, is characterized in that: comprise the following steps:
A, the working load calculated according to air cooling tower X-type post construction drawing in air cooling tower X-type post work progress, and calculate scaffold (6) according to this working load set up density;
B, employing computer software draw air cooling tower X-type post stereogram in proportion, air cooling tower X-type post upper/lower terminal center control point (7) and control point, post bight (8) are all projected on ring foundation (9), and utilize software to indicate data;
C, the data drawn according to step b, total powerstation is adopted to carry out the actual measurement of each center control point (7) and control point, bight (8) at the scene and paint sign, the joint bar (11) of air cooling tower X-type post is adjusted angle of inclination according to paint sign and inserts in the buttress cage of reinforcement (10) on ring foundation (9), and fixation, to buttress cage of reinforcement (10) concreting, form buttress main body (12);
D, backfill ring foundation (9) and buttress main body (12), and build a mao terrace (13), the hair terrace (13) of building indicates the subsequent control point of air cooling tower X-type post again;
E, carry out air cooling tower X-type post cage of reinforcement (14) bind according to the control point indicated in steps d and template is fixed, set up scaffold (6) according to the density of setting up of the scaffold calculated in step a (6) simultaneously;
F, according to right-angled triangle principle, again check the physical location at each control point by elevation and distance, checked after-pouring concrete; Described concreting adopts segmentation to build mode, after having built first paragraph (1), again measured by total powerstation, check air cooling tower X-type post subsequent control point, and air cooling tower X-type post cage of reinforcement (14) of colligation second segment (2), then fixed form, after template is checked, concreting; The construction of each section is completed below according to identical method.
2. air cooling tower X-type column construction method according to claim 1, is characterized in that: the computer software adopted in step b is 3DMax.
3. air cooling tower X-type column construction method according to claim 2, is characterized in that: the Support Position reserving next section of air cooling tower X-type post when setting up scaffold (6).
4. air cooling tower X-type column construction method according to claim 3, is characterized in that: described scaffold (6) is erected with bearing diagonal (5).
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| CN201310345388.4A CN103397780B (en) | 2013-08-09 | 2013-08-09 | Air cooling tower X-type column construction method |
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| CN201310345388.4A CN103397780B (en) | 2013-08-09 | 2013-08-09 | Air cooling tower X-type column construction method |
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| CN103397780B true CN103397780B (en) | 2016-01-20 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103726654B (en) * | 2014-01-10 | 2015-12-02 | 北京城建十建设工程有限公司 | The construction method of the special-shaped shell of concrete structure |
| CN106481109B (en) * | 2016-11-17 | 2018-10-02 | 郑州大学 | A kind of cooling tower X inclined struts segmentation self-balancing construction method |
| CN107761549B (en) * | 2017-09-27 | 2019-03-22 | 中铁十局集团第三建设有限公司 | Triangular support bracket is used in a kind of construction of battered leg pier stud |
| CN108411786B (en) * | 2018-03-30 | 2020-07-10 | 中建三局第一建设工程有限责任公司 | Three-dimensional space steel tower segmental hoisting accurate positioning method based on two-dimensional line shape |
| CN109469366A (en) * | 2018-10-20 | 2019-03-15 | 山西太行建设开发有限公司 | Dual crossing space inclined strut surveying setting-out construction |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5299445A (en) * | 1991-05-31 | 1994-04-05 | Yee Alfred A | Method of post-tensioning steel/concrete truss before installation |
| CN102839819A (en) * | 2012-08-21 | 2012-12-26 | 中国能源建设集团广东省电力设计研究院 | Flexible attachment arranging and selecting method of ultra-large type cooling tower construction tower crane based on tower barrel safety |
| CN103150460A (en) * | 2013-04-03 | 2013-06-12 | 大唐(北京)能源管理有限公司 | System and method for structural analysis of indirect dry cooling tower |
| CN103603494A (en) * | 2013-08-09 | 2014-02-26 | 中建四局第六建筑工程有限公司 | Ultra-thin steel truss inclined wall construction method and formwork structure |
-
2013
- 2013-08-09 CN CN201310345388.4A patent/CN103397780B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5299445A (en) * | 1991-05-31 | 1994-04-05 | Yee Alfred A | Method of post-tensioning steel/concrete truss before installation |
| CN102839819A (en) * | 2012-08-21 | 2012-12-26 | 中国能源建设集团广东省电力设计研究院 | Flexible attachment arranging and selecting method of ultra-large type cooling tower construction tower crane based on tower barrel safety |
| CN103150460A (en) * | 2013-04-03 | 2013-06-12 | 大唐(北京)能源管理有限公司 | System and method for structural analysis of indirect dry cooling tower |
| CN103603494A (en) * | 2013-08-09 | 2014-02-26 | 中建四局第六建筑工程有限公司 | Ultra-thin steel truss inclined wall construction method and formwork structure |
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