CN102400559A - Steel column correction method in assembly of main body frame steel structure in benzene hydrogenation engineering - Google Patents
Steel column correction method in assembly of main body frame steel structure in benzene hydrogenation engineering Download PDFInfo
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- CN102400559A CN102400559A CN2010102798840A CN201010279884A CN102400559A CN 102400559 A CN102400559 A CN 102400559A CN 2010102798840 A CN2010102798840 A CN 2010102798840A CN 201010279884 A CN201010279884 A CN 201010279884A CN 102400559 A CN102400559 A CN 102400559A
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Abstract
The invention relates to a steel column correction method in assembly of a main body frame steel structure in benzene hydrogenation engineering. The steel column correction method is characterized by comprising the following steps of: a, adjusting the elevation of a column base of a steel column: adjusting the elevation of the column base of the steel column by using a nut or a shim plate; b, adjusting the axis of the column base: adjusting the axis of a first section of steel column, correcting the verticality of the first section of column body, adjusting the elevation of a column top, controlling the elevation of other sections of frame steel columns, adjusting the axis of a second section of column, correcting the verticality of the second section of steel column, and forming a frame structure which consists of frame columns and beams and has higher stiffness; and c, correcting the verticality of column bodies, observing the steel columns and the steel beams by using two theodolites which are radially arranged, and correcting the verticality of the columns. The steel column correction method in the assembly of the main body frame steel structure in the benzene hydrogenation engineering has the advantages of reasonable design and simple operation of steel column correction steps, safe and reliable engineering quality and low engineering cost.
Description
Technical field
The present invention relates to a kind of main body frame Steel Structure Installation method, specifically, is steel column bearing calibration in kind of the benzene hydrogenation project subject framework Steel Structure Installation.
Background technology
The technology of benzene hydrogenation device is more special, its system complex, and equipment is many, and the pressure of system own, temperature are higher, and pump unit does not allow idle running.The benzene hydrogenation engineering mainly is divided into the ancillary facility of central control room and electric substation, refining plant, water supply and sewage work, air compression station, storage and handling facility (tank field and pump house), the power supply of full factory and the illumination of full factory, torch and engineering; Lightning protection, fire prevention, explosion-proof specific (special) requirements are arranged in the electric installation of these facilities, and wherein the main body frame Steel Structure Installation is the important step in the whole electrical system.At present domestic built or in building benzene hydrogenation project subject framework Steel Structure Installation the steel column bearing calibration still be in the stage lack of standardization, exist much not science, irrational place, manufacturing process is numerous and diverse, manufacturing cost is high.
Therefore the steel column bearing calibration exists above-mentioned all inconvenience and problem in the known benzene hydrogenation project subject framework Steel Structure Installation.
Summary of the invention
The object of the invention is to propose steel column bearing calibration in a kind of safe and reliable benzene hydrogenation project subject framework Steel Structure Installation.
For realizing above-mentioned purpose, technical solution of the present invention is:
Steel column bearing calibration in a kind of benzene hydrogenation project subject framework Steel Structure Installation is characterized in that may further comprise the steps:
A, the adjustment of steel column base for post absolute altitude are with nut adjustment or parallels adjustment steel column base for post absolute altitude;
B, the adjustment of base for post axis are provided with the adjustment of the first segmented column lower shaft line, first segment shaft rectify perpendicular and the adjustment of capital absolute altitude and other joint framework steel column absolute altitude control; Second segmented column axis adjustment, the second joint steel column rectify perpendicular with frame column is set and beam is reached the bigger frame construction of rigidity;
C, shaft rectify perpendicular are observed steel column and girder steel with two transits radially placing, proofread and correct the verticality of post.
The steel column bearing calibration can also adopt following technical measures further to realize in the benzene hydrogenation project subject framework Steel Structure Installation of the present invention.
Aforesaid method; Wherein said step a steel column base for post absolute altitude adjustment is with the nut adjustment, according to the physical length of steel column; On the stone bolt under the steel column column base plate, add an adjustment nut, the absolute altitude on adjustment nut surface is adjusted to absolute altitude at the bottom of the steel column base plate flushed.
Aforesaid method, the adjustment of wherein said step a steel column base for post absolute altitude with the parallels adjustment, adds absolute altitude steel plate adjustment piece adjustment base for post absolute altitude under the steel column column base plate, its precision can reach ± 1mm in.
Aforesaid method, the adjustment of wherein said step b base for post axis, the adjustment of the first segmented column lower shaft line, not under the situation of loose hook, the control axial alignment with center line on the column base plate and patten slowly drop to the design elevation position at crane.
Aforesaid method, wherein said step b base for post axis adjustment, first segment shaft rectify perpendicular, with cable wind rope or jack, the steel column adjuster is proofreaied and correct, and with two transit surveys of radially placing that are 90 °.
Aforesaid method, wherein said step b base for post axis adjustment, the adjustment of capital absolute altitude and other joint framework steel column absolute altitude control; Press relative elevation and install, behind the steel column hoisted in position, with the temporary fixed connection of big turret head high-strength bolt; Through gap between crane and crowbar fine setting frame; The absolute altitude value that capital is demarcated in advance about measuring is squeezed into the temporary fixed jail of gad after meeting the requirements, the absolute altitude deviation is adjusted in the 4mm; After steel column installs, settle level gauge at capital, the measurement column top mark is high.
Aforesaid method, wherein said step b base for post axis adjustment, the adjustment of the second segmented column axis; The lower prop connection is set reaches the post central lines; If any deviation, adding thickness at post with the not ipsilateral that is connected otic placode of post is 0.5～1.0mm backing plate, tightens big hexagon head bolt; The steel column centerline deviation is adjusted in each 3mm, like 2～3 adjustment of the excessive branch of deviation.
Aforesaid method, wherein said step b base for post axis adjustment, the second joint steel column rectify perpendicular is taked to reserve the perpendicularity deviation value and is eliminated fractional error; When reserved value accumulates deviate greater than following segmented column, only reserve the Accumulated deviation value, otherwise but reserving reserved value, its direction and deviation side are opposite.
Aforesaid method; Wherein said step b base for post axis adjustment is provided with frame column and beam and reaches the bigger frame construction of rigidity, in building core or symmetrical centre; Form the bigger frame construction of rigidity as elementary cell is installed by frame column and beam support, expand other unit according to this.
Aforesaid method, wherein said step c shaft rectify perpendicular, further comprising the steps of:
First step: proofread and correct: squeeze into gad or jacking jack in a side of steel column skew direction, the capital skew is controlled to zero, tighten the big hexagon head bolt of interim connection otic placode at last with no cable wind rope (gad or jacking jack);
Second step: the beam of installation code frame body, the upper strata beam is installed earlier, lower floor's beam in installing is again adjusted other frame columns with wire rope cable, jack, gad and Chain block, and the secundum legem frame body is to expansion all around.
After adopting technique scheme, the steel column bearing calibration has the following advantages in the benzene hydrogenation project subject framework Steel Structure Installation of the present invention:
1, the steel column aligning step is reasonable in design, simple to operate;
2, workmanship is safe and reliable;
3, reduce engineering cost.
Description of drawings
Fig. 1 is the base for post absolute altitude adjustment sketch map of steel column bearing calibration embodiment in the benzene hydrogenation project subject framework Steel Structure Installation of the present invention;
Among the figure: 1 stone bolt, 2 stopping nuts, 3 clamp nuts, 1 nut backing plate, 5 suspension column base plates, 6 adjustment nuts, 7 reinforced concrete foundations.
The specific embodiment
Below in conjunction with embodiment and accompanying drawing thereof the present invention is illustrated further.
Steel column bearing calibration in the benzene hydrogenation project subject framework Steel Structure Installation of the present invention is characterized in that may further comprise the steps;
A, the adjustment of steel column base for post absolute altitude are with nut adjustment or parallels adjustment steel column base for post absolute altitude.
See also Fig. 1, Fig. 1 is the base for post absolute altitude adjustment sketch map of steel column bearing calibration embodiment in the benzene hydrogenation project subject framework Steel Structure Installation of the present invention at present.As shown in the figure, said with nut adjustment, according to the physical length of steel column, on the stone bolt under the steel column column base plate 51, add an adjustment nut 6, the absolute altitudes on adjustment nut 6 surfaces are adjusted to 5 end of steel column base plate absolute altitude flushed.
Also available parallels adjustment among other embodiment of steel column bearing calibration in benzene hydrogenation project subject framework Steel Structure Installation of the present invention adds absolute altitude steel plate adjustment piece adjustment base for post absolute altitude under the steel column column base plate, its precision can reach ± 1mm in.
B, the adjustment of base for post axis are provided with the adjustment of the first segmented column lower shaft line, first segment shaft rectify perpendicular and the adjustment of capital absolute altitude and other joint framework steel column absolute altitude control; Second segmented column axis adjustment, the second joint steel column rectify perpendicular with frame column is set and beam is reached the bigger frame construction of rigidity.
In base for post axis adjustment, the adjustment of the first segmented column lower shaft line, not under the situation of loose hook, the control axial alignment with center line on the column base plate and patten slowly drop to the design elevation position at crane;
First segment shaft rectify perpendicular, with cable wind rope or jack, the steel column adjuster is proofreaied and correct, and with two transit surveys of radially placing that are 90 °;
The adjustment of capital absolute altitude and other joint framework steel column absolute altitude control; Press relative elevation and install, behind the steel column hoisted in position, with the temporary fixed connection of big turret head high-strength bolt; Through gap between crane and crowbar fine setting frame; The absolute altitude value that capital is demarcated in advance about measuring is squeezed into the temporary fixed jail of gad after meeting the requirements, the absolute altitude deviation is adjusted in the 4mm; After steel column installs, settle level gauge at capital, the measurement column top mark is high;
The adjustment of the second segmented column axis; The lower prop connection is set reaches the post central lines; If any deviation, adding thickness at post with the not ipsilateral that is connected otic placode of post is 0.5～1.0mm backing plate, tightens big hexagon head bolt; The steel column centerline deviation is adjusted in each 3mm, like 2～3 adjustment of the excessive branch of deviation;
The second joint steel column rectify perpendicular is taked to reserve the perpendicularity deviation value and is eliminated fractional error; When reserved value accumulates deviate greater than following segmented column, only reserve the Accumulated deviation value, otherwise but reserving reserved value, its direction and deviation side are opposite; Empirical value is measured: the general weld seam shrinkage value of Liang Yuzhu is less than 2mm; Post and post weld seam shrinkage value are generally at 3.5mm, and the transverse contraction value of steel plate weld seam can be calculated by following formula:
S＝K·A/T
In the formula: the transverse contraction value of S-weld seam, mm;
The A-weld area, mm
2
The T-throat depth comprises fusion penetration, mm;
The K-constant generally gets 0.1;
Frame column and beam are set reach the bigger frame construction of rigidity,, form the bigger frame construction of rigidity as elementary cell is installed, expand other unit according to this by frame column and beam support in building core or symmetrical centre.
C, shaft rectify perpendicular are observed steel column and girder steel with two transits radially placing, proofread and correct the verticality of post, and be further comprising the steps of:
First step: proofread and correct with no cable wind rope (gad or jacking jack); Squeeze into gad or jacking jack in a side of steel column skew direction, the capital skew is controlled to zero, tighten the big hexagon head bolt that temporarily connects by otic placode at last;
Second step: the beam of installation code frame body, the upper strata beam is installed earlier, lower floor's beam in installing is again adjusted other frame columns with wire rope cable, jack, gad and Chain block, and the secundum legem frame body is to expansion all around.
Above embodiment only supplies to explain the present invention's usefulness, but not limitation of the present invention, the technician in relevant technologies field under the situation that does not break away from the spirit and scope of the present invention, can also make various conversion or variation.Therefore, all technical schemes that are equal to also should belong to category of the present invention, should be limited each claim.
Claims (10)
1. steel column bearing calibration in the benzene hydrogenation project subject framework Steel Structure Installation is characterized in that may further comprise the steps:
A, the adjustment of steel column base for post absolute altitude are with nut adjustment or parallels adjustment steel column base for post absolute altitude;
B, the adjustment of base for post axis are provided with the adjustment of the first segmented column lower shaft line, first segment shaft rectify perpendicular and the adjustment of capital absolute altitude and other joint framework steel column absolute altitude control; Second segmented column axis adjustment, the second joint steel column rectify perpendicular with frame column is set and beam is reached the bigger frame construction of rigidity;
C, shaft rectify perpendicular are observed steel column and girder steel with two transits radially placing, proofread and correct the verticality of post.
2. steel column bearing calibration in the benzene hydrogenation project subject framework Steel Structure Installation as claimed in claim 1; It is characterized in that; Said step a steel column base for post absolute altitude adjustment is with the nut adjustment, according to the physical length of steel column; On the stone bolt under the steel column column base plate, add an adjustment nut, the absolute altitude on adjustment nut surface is adjusted to absolute altitude at the bottom of the steel column base plate flushed.
3. steel column bearing calibration in the benzene hydrogenation project subject framework Steel Structure Installation as claimed in claim 1; It is characterized in that said step a steel column base for post absolute altitude adjustment is adjusted with parallels; Under the steel column column base plate, add absolute altitude steel plate adjustment piece adjustment base for post absolute altitude, its precision can reach ± 1mm in.
4. steel column bearing calibration in the benzene hydrogenation project subject framework Steel Structure Installation as claimed in claim 1; It is characterized in that; The adjustment of said step b base for post axis, the adjustment of the first segmented column lower shaft line is at crane not under the situation of loose hook; Control axial alignment with center line on the column base plate and patten slowly drop to the design elevation position.
5. steel column bearing calibration in the benzene hydrogenation project subject framework Steel Structure Installation as claimed in claim 1; It is characterized in that; Said step b base for post axis adjustment, first segment shaft rectify perpendicular is with cable wind rope or jack; The steel column adjuster is proofreaied and correct, and with two transit surveys of radially placing that are 90 °.
6. steel column bearing calibration in the benzene hydrogenation project subject framework Steel Structure Installation as claimed in claim 1 is characterized in that, said step b base for post axis adjustment; The adjustment of capital absolute altitude and other joint framework steel column absolute altitude control; Press relative elevation and install, behind the steel column hoisted in position, with the temporary fixed connection of big turret head high-strength bolt; Through gap between crane and crowbar fine setting frame; The absolute altitude value that capital is demarcated in advance about measuring is squeezed into the temporary fixed jail of gad after meeting the requirements, the absolute altitude deviation is adjusted in the 4mm; After steel column installs, settle level gauge at capital, the measurement column top mark is high.
7. steel column bearing calibration in the benzene hydrogenation project subject framework Steel Structure Installation as claimed in claim 1 is characterized in that, said step b base for post axis adjustment; The adjustment of the second segmented column axis is provided with the lower prop connection and reaches the post central lines, if any deviation; Adding thickness at post with the not ipsilateral that is connected otic placode of post is 0.5～1.0mm backing plate; Tighten big hexagon head bolt, the steel column centerline deviation is adjusted in each 3mm, like 2～3 adjustment of the excessive branch of deviation.
8. steel column bearing calibration in the benzene hydrogenation project subject framework Steel Structure Installation as claimed in claim 1 is characterized in that, said step b base for post axis adjustment, and the second joint steel column rectify perpendicular is taked to reserve the perpendicularity deviation value and is eliminated fractional error; When reserved value accumulates deviate greater than following segmented column, only reserve the Accumulated deviation value, otherwise but reserving reserved value, its direction and deviation side are opposite.
9. steel column bearing calibration in the benzene hydrogenation project subject framework Steel Structure Installation as claimed in claim 1; It is characterized in that; Said step b base for post axis adjustment is provided with frame column and beam and reaches the bigger frame construction of rigidity, in building core or symmetrical centre; Form the bigger frame construction of rigidity as elementary cell is installed by frame column and beam support, expand other unit according to this.
10. steel column bearing calibration in the benzene hydrogenation project subject framework Steel Structure Installation as claimed in claim 1 is characterized in that, said step c shaft rectify perpendicular is further comprising the steps of:
First step: with no cable wind rope, gad or jacking jack are proofreaied and correct: squeeze into gad or jacking jack in a side of steel column skew direction, the capital skew is controlled to zero, tighten the big hexagon head bolt of interim connection otic placode at last;
Second step: the beam of installation code frame body, the upper strata beam is installed earlier, lower floor's beam in installing is again adjusted other frame columns with wire rope cable, jack, gad and Chain block, and the secundum legem frame body is to expansion all around.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010102798840A CN102400559A (en) | 2010-09-13 | 2010-09-13 | Steel column correction method in assembly of main body frame steel structure in benzene hydrogenation engineering |
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| CN2010102798840A CN102400559A (en) | 2010-09-13 | 2010-09-13 | Steel column correction method in assembly of main body frame steel structure in benzene hydrogenation engineering |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102966244A (en) * | 2012-12-07 | 2013-03-13 | 马钢(集团)控股有限公司 | Process for connection among steel structure workshop roof truss, brackets and columns |
| CN103061249A (en) * | 2012-12-29 | 2013-04-24 | 青岛海德路桥工程股份有限公司 | Quick positioning construction device and construction method for steel-pipe column of bridge |
| CN103487040A (en) * | 2013-08-30 | 2014-01-01 | 中冶天工上海十三冶建设有限公司 | Mounting measuring method of steel column |
| CN104232113A (en) * | 2013-06-06 | 2014-12-24 | 五冶集团上海有限公司 | Coke dry quenching high-rise steel structure column verticality adjustment bracket and use method thereof |
| CN104453255A (en) * | 2014-10-24 | 2015-03-25 | 中国一冶集团有限公司 | Heating furnace stand column perpendicularity alignment device and method |
| CN105599463A (en) * | 2014-11-13 | 2016-05-25 | 精工爱普生株式会社 | Transportation apparatus and recording apparatus |
| CN107447990A (en) * | 2016-05-30 | 2017-12-08 | 五冶集团上海有限公司 | A kind of steel beam lifting method of two theodolites Synchronization Control girder steel both ends discrepancy in elevation |
| CN107587610A (en) * | 2017-10-26 | 2018-01-16 | 晋城市美虹彩板钢结构有限公司 | A kind of H profile steel post splicing apparatus and its construction method |
| CN108999414A (en) * | 2018-09-28 | 2018-12-14 | 北京首钢建设集团有限公司 | A method of steel column height mark being installed using nut centering |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102966244B (en) * | 2012-12-07 | 2015-07-22 | 马钢(集团)控股有限公司 | Process for connection among steel structure workshop roof truss, brackets and columns |
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| CN103061249A (en) * | 2012-12-29 | 2013-04-24 | 青岛海德路桥工程股份有限公司 | Quick positioning construction device and construction method for steel-pipe column of bridge |
| CN104232113B (en) * | 2013-06-06 | 2016-06-01 | 五冶集团上海有限公司 | Dry coke quenching high-rise steel structure verticality of stand column adjusting pole and using method thereof |
| CN104232113A (en) * | 2013-06-06 | 2014-12-24 | 五冶集团上海有限公司 | Coke dry quenching high-rise steel structure column verticality adjustment bracket and use method thereof |
| CN103487040B (en) * | 2013-08-30 | 2015-10-28 | 中冶天工上海十三冶建设有限公司 | The measuring method that a kind of steel column is installed |
| CN103487040A (en) * | 2013-08-30 | 2014-01-01 | 中冶天工上海十三冶建设有限公司 | Mounting measuring method of steel column |
| CN104453255A (en) * | 2014-10-24 | 2015-03-25 | 中国一冶集团有限公司 | Heating furnace stand column perpendicularity alignment device and method |
| CN104453255B (en) * | 2014-10-24 | 2016-09-21 | 中国一冶集团有限公司 | The aligning method of heating furnace verticality of stand column alignment device |
| CN105599463A (en) * | 2014-11-13 | 2016-05-25 | 精工爱普生株式会社 | Transportation apparatus and recording apparatus |
| CN107447990A (en) * | 2016-05-30 | 2017-12-08 | 五冶集团上海有限公司 | A kind of steel beam lifting method of two theodolites Synchronization Control girder steel both ends discrepancy in elevation |
| CN107447990B (en) * | 2016-05-30 | 2019-06-14 | 五冶集团上海有限公司 | A kind of steel beam lifting method of two theodolites synchronously control girder steel both ends height difference |
| CN107587610A (en) * | 2017-10-26 | 2018-01-16 | 晋城市美虹彩板钢结构有限公司 | A kind of H profile steel post splicing apparatus and its construction method |
| CN108999414A (en) * | 2018-09-28 | 2018-12-14 | 北京首钢建设集团有限公司 | A method of steel column height mark being installed using nut centering |
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Application publication date: 20120404 |