CN103397780A - Air cooling tower X-shaped pillar construction method - Google Patents
Air cooling tower X-shaped pillar construction method Download PDFInfo
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- CN103397780A CN103397780A CN2013103453884A CN201310345388A CN103397780A CN 103397780 A CN103397780 A CN 103397780A CN 2013103453884 A CN2013103453884 A CN 2013103453884A CN 201310345388 A CN201310345388 A CN 201310345388A CN 103397780 A CN103397780 A CN 103397780A
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Abstract
The invention discloses an air cooling tower X-shaped pillar construction method and belongs to the field of construction. An air cooling tower X-shaped pillar graphic model is drawn by computer software according to a proportion, the center control point and the corner control point of an air cooling tower X-shaped pillar are projected to an annular foundation from the upper portion of the air cooling tower X-shaped pillar to work out data. Practical measurement on control points in the field are carried out by utilizing a total station, oil paint is used for marking, the inclined angle of a joint bar is well adjusted according to the oil paint mark, and the joint bar is inserted into a buttress and is firmly fixed. Other subsequent control points are marked again on a rough terrace inside an air cooling tower. Steel bar frames of the air cooling tower X-shaped pillar are bound and connected and a formwork is fixed according to the marked control points, and meanwhile a scaffold is built. The actual positions of all control points are verified again, and concrete is poured. Due to the fact that the computer software is utilized for projecting the air cooling tower X-shaped pillar and determining the control points, compared with the method that the control points are mapped according to graph paper one by one, the method is faster and more accurate, steel bars and the formwork can be verified conveniently in the process of construction, and the period of construction is shortened.
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, the Xinjiang region construction of fire and electricity is like a raging fire.This area's geographical conditions are special: rich coal resources, but the water resource plaque is weary.The circulating cooling system of the clammy unit of conventional thermoelectricity is excessive because of the recirculated water loss, no longer suitable local condition.And Air-cooled Unit is used the condensing plant of the cooling turbine discharge of air.No matter recirculated cooling water is the indirect air cooling mode of sealing and circulating, or the Direct Air-Cooled mode without recirculated cooling water, all almost there is no the recirculated water loss, only need boiler replenishing water and other waters, the water consumption in air cooling power station obviously reduces, and builds Air-cooled Unit Xinjiang Thermal Power Industry is had very important strategic importance.The tradition water-cooling tower adopts circular herringbone column, yet air cooling tower adopts the X square column, and construction technology and job practices are fully different.
Summary of the invention
Technical problem to be solved by this invention is: the air cooling tower X-type column construction method that a kind of short construction period is provided.
The present invention solves technical scheme that its technical problem adopts: air cooling tower X-type column construction method comprises the following steps:
A, according to air cooling tower X-type post construction drawing, calculate working load in air cooling tower X-type post work progress, and calculate the density of setting up of scaffold according to this working load;
B, employing computer software draw air cooling tower X-type post stereogram in proportion, air cooling tower X-type control point, post upper/lower terminal center and control point, post bight all are projected on ring foundation, and utilize software to indicate data;
C, the data that draw according to step b, adopt total powerstation carry out at the scene the actual measurement at each control point, center and control point, bight and paint sign, the joint bar of air cooling tower X-type post indicates in the buttress cage of reinforcement of adjusting on angle of inclination and insertion ring foundation according to paint, and fixation,, to buttress cage of reinforcement concreting, form the buttress main body;
D, backfill ring foundation and buttress main body, and build a mao terrace, again indicate the subsequent control point of air cooling tower X-type post on the hair terrace of building;
E, according to carrying out air cooling tower X-type post cage of reinforcement bind and template is fixed in the control point that indicates in steps d, set up scaffold according to the density of setting up of the scaffold that calculates in step a simultaneously;
F, according to the right-angled triangle principle, again check the physical location at each control point by elevation and distance, check and complete the after-pouring concrete.
For guaranteeing that data are accurate, the computer software that adopts 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 measure, check air cooling tower X-type post subsequent control point by total powerstation, and colligation second segment air cooling tower X-type post cage of reinforcement, then fixed form, after template is checked, concreting; Complete the construction of each section of back according to identical method.
For saving time, accelerating construction progress, reserve the Support Position of next section air cooling tower X-type post when setting up scaffold.
For guaranteeing construction quality, described scaffold building has bearing diagonal.
The invention has the beneficial effects as follows: owing to having adopted computer software to carry out projection to air cooling tower X-type post, determine control point, compared with according to drawing, surveying and drawing more quick and precisely at control point one by one, and in the constructability process, the school to reinforcing bar and template is examined, and has shortened construction period; Because the computer software that adopts in step b is 3DMax, the stereoeffect of 3DMax is better, so projection to obtain data comparatively accurate, namely control point is more accurate; Build mode because the concreting described in step f adopts segmentation, reduced the difficulty of construction of large-scale air cooling tower X-type post, improved the quality of construction; Reserve the Support Position of next section air cooling tower X-type post when setting up scaffold, avoided scaffold repeat 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, with the excessive and even collapse accident that deforms of the oblique pressure of avoiding work progress hollow cold tower X-type post.
Description of drawings
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 control point, center 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 is air cooling tower X-type column construction method hollow cold tower X-type post of the present invention and the schematic diagram that coordinates of buttress;
In figure, 1-first paragraph, 2-second segment, 3-the three section, 4-the four section, 5-bearing diagonal, 6-scaffold, control point, 7-center, 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.
The specific embodiment
The invention will be further described below in conjunction with accompanying drawing, 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, according to air cooling tower X-type post construction drawing, calculate working load in air cooling tower X-type post work progress, and calculate the density of setting up of scaffold 6 according to this working load;
B, employing computer software draw air cooling tower X-type post stereogram in proportion, control point, air cooling tower X-type post upper/lower terminal center 7 and control point, post bight 8 all are projected on ring foundation 9, and utilize software to indicate data;
C, the data that draw according to step b, adopt total powerstation carry out at the scene the actual measurement at each control point, center 7 and control point, bight 8 and paint sign, the joint bar 11 of air cooling tower X-type post indicates in the buttress cage of reinforcement 10 of adjusting on angle of inclination and insertion ring foundation 9 according to paint, and fixation,, to buttress cage of reinforcement 10 concretings, form buttress main body 12;
D, backfill ring foundation 9 and buttress main body 12, and build mao terrace 13, again indicate the subsequent control point of air cooling tower X-type post on the hair terrace 13 of building;
E, according to carrying out air cooling tower X-type post cage of reinforcement 14 binds and template is fixed in the control point that indicates in steps d, set up scaffold 6 according to the density of setting up of the scaffold 6 that calculates in step a simultaneously;
F, according to the right-angled triangle principle, again check the physical location at each control point by elevation and distance, check and complete the after-pouring concrete.
It should be noted that in above-mentioned air cooling tower X-type column construction method, described working load refers to that the construction stage is total temporary load(ing) of the structure gravity considered of checking computations air cooling tower X-type rod structure or member degree of safety, construction equipment, wind-force etc.During construction, temporary load(ing) is mainly shared by scaffold 6, scaffold 6 to set up density larger, the temporary load(ing) of sharing is just larger.Centered by elevation described in step f, control point 7 or control point, bight 8, apart from the height on ground, are a leg-of-mutton right-angle side; Extend earthward a ray from this control point along cage of reinforcement, with ground, one intersection point is arranged, this intersection point and the control point subpoint on ground connects into leg-of-mutton another right-angle side, be the distance described in step f, according to the right-angled triangle principle, can calculate the length of hypotenuse, namely can determine the physical location at control point, can compare, check with the position of original sign, check and complete the after-pouring concrete.Data described in step b are the data such as coordinate position at each control point, center 7 and each control point, bight 8.After engineering starts, excavate foundation ditch on ground, ring foundation 9 described in step b refers to the concrete foundation that is used for supporting buttress and air cooling tower X-type post of in the foundation ditch bottom, building, be positioned at below zero rice, buttress cage of reinforcement 10 is laid binding on this ring foundation 9, then each control point, center 7 that records according to total powerstation and the physical location at control point, bight 8 be joint bar 11 fixedly, and then concreting, form buttress main body 12.Backfill ring foundation 9, cover buttress main body 12, exposes joint bar 11, and build mao terrace 13.Again indicate the subsequent control point at the hair of building on terrace 13, this subsequent control point is air cooling tower X-type post and again is projected in each control point, center 7 and control point, bight 8 on mao terrace.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 take the joint bar 11 that exposes buttress main body 12 as basis, 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 binds are completed, with template, fix, can adopt wooden model also can adopt punching block, carry out concreting after fixedly completing and checking, complete the construction of air cooling tower X-type post.
For guaranteeing that data are accurate, the computer software that adopts in step b is 3DMax.Existing mapping software has a lot, can adopt the Software on Drawing air cooling tower X-type posts such as 3DMax, UG, CATIA, ProE, solidworks, solidedge, solid3000, CAXA, but because the stereoeffect of 3DMax is better, and then projection to obtain data comparatively accurate, therefore as optimal way.
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 measure, check air cooling tower X-type post subsequent control point by total powerstation, this subsequent control point, for again being projected in each control point, center 7 and the control point, bight 8 on first paragraph 1 upper surface and hair terrace, is checked the air cooling tower X-type post cage of reinforcement 14 of colligation second segment 2 after completing, then fixed form, after template is checked, concreting; Complete the construction of each section of back 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 and 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, the 3rd section 3 is intersection region, high 8m, the 4th section 4 high 5.2m.
For saving time, accelerating construction progress, reserve the Support Position of next section air cooling tower X-type post when setting up scaffold 6.Just reserve the Support Position of next section air cooling tower X-type post when setting up scaffold 6, avoided scaffold 6 repeat set up or redundancy is set up, saved the time, accelerated construction speed.
For guaranteeing 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, scaffold 6 is produced horizontal thrust, easily cause the distortion of air cooling tower X-type post, even collapse, therefore bearing diagonal 5 is set supports air cooling tower X-type post, to avoid the generation of this situation.
Claims (5)
1. air cooling tower X-type column construction method is characterized in that: comprise the following steps:
A, according to air cooling tower X-type post construction drawing, calculate working load in air cooling tower X-type post work progress, and calculate the density of setting up of scaffold (6) according to this working load;
B, employing computer software draw air cooling tower X-type post stereogram in proportion, control point, air cooling tower X-type post upper/lower terminal center (7) and control point, post bight (8) all are projected on ring foundation (9), and utilize software to indicate data;
C, the data that draw according to step b, adopt total powerstation carry out at the scene the actual measurement of each control point, center (7) and control point, bight (8) and paint sign, the joint bar (11) of air cooling tower X-type post indicates in the buttress cage of reinforcement (10) of adjusting on angle of inclination and insertion ring foundation (9) according to paint, 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), again indicate the subsequent control point of air cooling tower X-type post on the hair terrace (13) of building;
E, according to carrying out air cooling tower X-type post cage of reinforcement (14) bind and template is fixed in the control point that indicates in steps d, set up scaffold (6) according to the density of setting up of the scaffold that calculates in step a (6) simultaneously;
F, according to the right-angled triangle principle, again check the physical location at each control point by elevation and distance, check and complete the after-pouring concrete.
2. air cooling tower X-type column construction method according to claim 1, it is characterized in that: the computer software that adopts in step b is 3DMax.
3. air cooling tower X-type column construction method according to claim 1 and 2, it is characterized in that: the concreting described in step f adopts segmentation to build mode, after having built first paragraph (1), again measure, check air cooling tower X-type post subsequent control point by total powerstation, and the air cooling tower X-type post cage of reinforcement (14) of colligation second segment (2), then fixed form, after template is checked, concreting; Complete the construction of each section of back according to identical method.
4. air cooling tower X-type column construction method according to claim 3, is characterized in that: the Support Position that reserves next section air cooling tower X-type post when setting up scaffold (6).
5. air cooling tower X-type column construction method according to claim 4, it 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 CN103397780B (en) | 2016-01-20 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103726654A (en) * | 2014-01-10 | 2014-04-16 | 北京城建十建设工程有限公司 | Method for constructing special-shaped thin shell of concrete structure |
| CN106481109A (en) * | 2016-11-17 | 2017-03-08 | 郑州大学 | A kind of cooling tower X inclined strut segmentation self-balancing construction method |
| CN107761549A (en) * | 2017-09-27 | 2018-03-06 | 中铁十局集团第三建设有限公司 | A kind of battered leg pier stud construction triangular support bracket |
| CN108411786A (en) * | 2018-03-30 | 2018-08-17 | 中建三局第建设工程有限责任公司 | Based on the linear segmented lifting accurate positioning method of three dimensions head tower of two dimension |
| 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 |
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| 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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Patent Citations (4)
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| US5299445A (en) * | 1991-05-31 | 1994-04-05 | Yee Alfred A | Method of post-tensioning steel/concrete truss before installation |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103726654A (en) * | 2014-01-10 | 2014-04-16 | 北京城建十建设工程有限公司 | Method for constructing special-shaped thin shell of concrete structure |
| 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 |
| CN106481109A (en) * | 2016-11-17 | 2017-03-08 | 郑州大学 | A kind of cooling tower X inclined strut segmentation self-balancing construction method |
| CN107761549A (en) * | 2017-09-27 | 2018-03-06 | 中铁十局集团第三建设有限公司 | A kind of battered leg pier stud construction triangular support bracket |
| CN108411786A (en) * | 2018-03-30 | 2018-08-17 | 中建三局第建设工程有限责任公司 | Based on the linear segmented lifting accurate positioning method of three dimensions head tower of two dimension |
| 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 |
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| CN103397780B (en) | 2016-01-20 |
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Granted publication date: 20160120 Termination date: 20180809 |