CN108716289A - A kind of installation method of the enlargement of the factory buildings steel column at existing pipeline - Google Patents
A kind of installation method of the enlargement of the factory buildings steel column at existing pipeline Download PDFInfo
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- CN108716289A CN108716289A CN201810529876.3A CN201810529876A CN108716289A CN 108716289 A CN108716289 A CN 108716289A CN 201810529876 A CN201810529876 A CN 201810529876A CN 108716289 A CN108716289 A CN 108716289A
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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
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
- E04G23/0266—Enlarging
Abstract
The present invention is a kind of installation method of the enlargement of the factory buildings steel column at existing pipeline, belong to the Steel Structure Installation method of the enlargement of the factory buildings, it is characterized in that the steel column extended a factory building is divided into upper steel column and lower steel column, column inner support below at energy medium pipeline collision will be located in lower steel column, it is changed to be bolted by being welded to connect, the hypomere of lower steel column is set to carry Π shape direct through groove, under installation when steel column, first remove column inner support, lower steel column is inserted downwards from the top of energy medium pipeline again, using the form ridden, make lower steel column across being inserted into rim of a cup basis after energy medium pipeline, after lower steel column installs, the installation of steel column is carried out again, its construction procedure is：One, the screening of the enlargement of the factory buildings steel column installation shock point；Two, at the enlargement of the factory buildings point of impingement steel column structure design；Three, at the enlargement of the factory buildings point of impingement steel column installation, the method solves the problems, such as production energy medium pipeline and extends a factory building steel column installation shock, reduces cost.
Description
Technical field
The invention belongs to the Steel Structure Installation methods of the enlargement of the factory buildings, more particularly, to a kind of installation side of the enlargement of the factory buildings steel column
Method.
Background technology
It is frequently encountered in metallurgical engineering：The reason of workshop established scale or capital fund limitation originally originally because of owner,
When the transformation of subsequent production Wiring technology or production scale are promoted, the problem of often will appear original workshop lack of space, mesh
The preceding major way for solving the problems, such as this is extended to original workshop.But original workshop produced energy to meet originally
The demand of source medium is energy medium pipeline outside workshop through the medium tube in workshop according to conventional design production energy medium
Net is delivered to each production user point；And when majority the enlargement of the factory buildings, general original production line does not arrange to stop production, the pipe in workshop
Net cannot stop because of production for energy medium, and the installation for steel column of extending a factory building, and be frequently encountered workshop outer energy medium pipeline
Gear the problem of hindering, it is common practice that move and change gear and hinder the original pipeline in place, concede the installation site for steel column of extending a factory building, the method is applied
Working hour, which moves the pipeline changed, must stop for medium, and original production line must stop production because stopping for medium, and pipeline, which moves, to be changed and certainly will delay
The normal production in workshop, influences the production task index of owner's whole year, and the steel column extended a factory building and outside line energy medium pipeline
The problem of colliding cannot such as solve in time, directly affect the installment work of follow-up steel column of extending a factory building, restrict engineering
Construction speed.
Invention content
The installation method for the enlargement of the factory buildings steel column that the purpose of the present invention is to propose to a kind of at the existing pipeline, not only structure
Rationally, easy for installation, it is safe and reliable, it solves the problems, such as that energy medium pipeline gear hinders the enlargement of the factory buildings steel column to be installed, reduces energy
The risk of source medium cut-off ensures effective progress of the normal production and the enlargement of the factory buildings engineering in original workshop, improves construction efficiency
And quality.
The object of the present invention is achieved like this：A kind of installation side of the enlargement of the factory buildings steel column at existing pipeline
Method, it is characterized in that：For ease of installation, the lattice column (hereinafter referred to as steel column) extended a factory building is using the bracket plane of steel column as line of demarcation
Steel column is divided into upper steel column and lower steel column, the upper steel column is H profile steel structure, and the lower steel column is using column center as axis pair
Claim, the lattice column of double limb girdle column inner supports.According to energy medium pipeline and extend a factory building steel column two axial lines (vertical and horizontal
Central axis) point of impingement position dimension, at the height 100mm more than energy medium pipeline upper surface in lower steel column inner cavity
And column inner support below, it is changed to bolt by being welded to connect for original connecting plate on lower steel column inner wall and is fastenedly connected, in institute
When the lower steel column installation stated, first temporarily removes and be changed to bolted column inner support, at this point, lower steel column has removed column inner support
Hypomere forms the Π shape direct through groove with gap, and the width of the opening of the Π shape direct through groove is more than the overall diameter of energy medium pipeline,
And the height of the Π shape direct through groove on lower steel column is more than the height of the top surface of energy medium pipeline, it, will with the installation form ridden
The opening of the Π shape direct through groove of lower steel column inserts downwards from the top of energy medium pipeline, after being inserted through energy medium pipeline, will under
The lower end section of steel column is corresponding to be inserted into the rim of a cup basis of the enlargement of the factory buildings steel column, then installs the column inner support originally removed piece by piece, is made
Lower steel column forms firm structure, then, carries out the verticality of lower steel column and the centering of central axis, after centering, uses C30
Pea gravel concreten tamps the lower end section of lower steel column with the gap in rim of a cup basis, waits for that the intensity of pea gravel concreten reaches 2Mpa
Afterwards, the installation mating operation of the upper steel column of steel column is carried out, to complete and the steel column of extending a factory building at energy medium pipeline collision
Installment work.
A kind of installation method of the enlargement of the factory buildings steel column at existing pipeline proposed by the invention, construction procedure
For：One, the screening of the enlargement of the factory buildings steel column installation shock point；Two, at the enlargement of the factory buildings point of impingement steel column structure design；Three, workshop
Extend the installation of steel column at the point of impingement.
Wherein：
One, the screening of the enlargement of the factory buildings steel column installation shock point：
1), the central axis according to the vertical and horizontal of original factory building steel column extends according to the design document of the enlargement of the factory buildings
And indicate the vertical and horizontal axial centerline for steel column of extending a factory building.
2), the intersection point according to the vertical and horizontal central axis of the steel column of extending a factory building indicated is point of impingement test zone
Domain, the intersection point be extend a factory building steel column installation central point, centered on the central point, by the shape ruler for steel column of extending a factory building
It is very little, the appearance profile line for steel column of extending a factory building is indicated on the ground of installation site with pulverized limestone.
3), check energy medium pipeline axis ground projection line with extend a factory building what steel column appearance profile line intersected
Position quantity, and count the lower steel column column inner support of energy medium pipeline and steel column of the extending a factory building point of impingement in the height direction
Dimension data, to complete the screening of the enlargement of the factory buildings steel column installation shock point.
Two, at the enlargement of the factory buildings point of impingement steel column structure design：
1), for ease of installation, using the bracket plane of steel column as line of demarcation, steel column is divided into upper steel column and lower steel column, with system
The lower steel column of the energy medium pipeline of meter and steel column of extending a factory building will extend a factory building on the basis of the collision spot size of short transverse
Lower steel column in be higher by 100mm and with the column inner support of lower part, by original positioned at energy medium pipeline upper surface absolute altitude
It with being welded to connect for lower steel column inner wall, is designed to bolt and is fastenedly connected, at this point, the hypomere for having removed column inner support of lower steel column
The Π shape direct through groove with gap is formed, the width of the opening of the Π shape direct through groove on the lower steel column is more than the outer of energy medium pipeline
Diameter, and the height of the Π shape direct through groove on lower steel column is more than the absolute altitude 100mm of the top surface of energy medium pipeline.
2), extend a factory building be located at at energy medium pipeline collision upper steel column and lower steel column according to design and produce complete
Afterwards, it is fastenedly connected using connection bolt by the column inner support of lower steel column is all corresponding with the connecting plate on lower steel column inner wall, in order to avoid
Lower steel column deforms in transportational process, under the influence of steel column subsequent installation precision.
Three, at the enlargement of the factory buildings point of impingement steel column installation：
1) after, the lower steel column at the enlargement of the factory buildings and the energy medium pipeline point of impingement transports construction location, in a pre-installation first
Dismounting descends being higher by 100mm positioned at energy medium pipeline upper surface absolute altitude in steel column and with the column inner support of lower part, under making
The hypomere of steel column forms Π shape direct through groove, then with hoisting machinery by lower steel column from the top of the energy medium pipeline, using riding
The opening of the Π shape direct through groove of lower steel column is inserted downwards from the top of energy medium pipeline, is inserted through the energy by the installation form of formula
After medium pipeline, be inserted into the lower end of lower steel column section is corresponding in the rim of a cup basis of the enlargement of the factory buildings steel column, then using connection bolt by
Part installs the column inner support originally removed, and lower steel column is made to form firm structure.
2), the centering of lower steel column height mark：Hanging down for the control and lower steel column for carrying out absolute altitude is starched using rim of a cup foundation bottom seat
Straight degree and control, the centering of center carry out the verticality of lower steel column in using the theodolite of two 900 settings each other
The control of mandrel line and centering, after lower steel column centering, with C30 pea gravel concretens by the gap in lower steel column and rim of a cup basis
It tamps, after the intensity of pea gravel concreten reaches 2Mpa, then carries out the abutting joint work of steel column.
And so on complete the installment work of other energy medium pipelines and the steel column extended a factory building at the steel column point of impingement.
A kind of installation method of the enlargement of the factory buildings steel column at existing pipeline proposed by the invention, is that will extend a factory building
Steel column at the point of impingement is divided into steel column and lower steel column, by the absolute altitude for being located at upper surface at energy medium pipeline collision of lower steel column
At high 100mm and column inner support below, bolt is changed to by original being welded to connect and is fastenedly connected, the lower steel column when mounted,
First remove in lower steel column be located at at the absolute altitude 100mm of energy medium pipeline upper surface and with the column inner support of lower part, under making
The hypomere of steel column forms the structure with Π shape direct through groove, then by the lower steel column with Π shape direct through groove from the top of energy medium pipeline
Inserting downwards makes lower steel column across being inserted into the rim of a cup basis of steel column after energy medium pipeline using the installation form ridden,
After lower steel column installs, then the installation of steel column is carried out, the method solves production energy medium pipeline and extends a factory building
The problem of steel column installation shock, reduces energy medium pipeline because mutually keeping off the production energy that the due to of hindering is likely to occur with the enlargement of the factory buildings steel column
The risk of source medium cut-off ensure that engineering construction effective progress synchronous with Workshop Production.
With reference to the accompanying drawings and examples to a kind of the enlargement of the factory buildings steel column at existing pipeline proposed by the invention
Installation method be further described.
Description of the drawings
Fig. 1 be a kind of the enlargement of the factory buildings steel column at existing pipeline proposed by the invention installation method in workshop expand
The arrangement schematic diagram of existing energy medium pipeline 1 and original workshop before building.
Fig. 2 be a kind of the enlargement of the factory buildings steel column at existing pipeline proposed by the invention installation method in extend factory
The schematic front view of the lower steel column 2 of room steel column.
Fig. 3 be a kind of the enlargement of the factory buildings steel column at existing pipeline proposed by the invention installation method in extend factory
The installation schematic diagram in place of the lower steel column 2 of room steel column.
Fig. 4 be a kind of the enlargement of the factory buildings steel column at existing pipeline proposed by the invention installation method in extend factory
The installation schematic diagram in place of the upper steel column 3 of room steel column.
Fig. 5 be a kind of the enlargement of the factory buildings steel column at existing pipeline proposed by the invention installation method in workshop expand
Schematic front view after the completion of building
Fig. 1 -- in Fig. 5：
1, energy medium pipeline 2, lower steel column 3, upper steel column 4, column inner support 5, bolt
Embodiment
The expansion project of Shandong 120t steelmaking converter workshops, using proposed by the present invention a kind of at existing pipeline
The installation method of the enlargement of the factory buildings steel column completes the installment work of the enlargement of the factory buildings steel column.
(1)：Project overview：
The relevant parameter for structure of extending a factory building is：The highest absolute altitude of lattice steel column of extending a factory building is 38.900m, under steel column
The weight of steel column 2 is 44t, length 27.400m；The weight of upper steel column 3 is 14t, length 12.500m；Energy medium pipeline
Upper surface elevation dimension：Highest point absolute altitude is 10.000m, and the overall diameter of energy medium pipeline is 273mm.
(2), construction procedure is：
Step 1, the screening of the enlargement of the factory buildings steel column installation shock point：(as shown in Figure 1)：
1), the central axis according to the vertical and horizontal of original factory building steel column extends simultaneously according to the enlargement of the factory buildings design document
Indicate the vertical and horizontal axial centerline of the lower steel column 2 for steel column of extending a factory building.
2), the intersection point according to the 2 vertical and horizontal central axis of lower steel column of the steel column of extending a factory building indicated is the point of impingement
Inspection area, which is the central point that the lower steel column 2 of steel column installs of extending a factory building, with the center point center, by enlarging
2 appearance and size of lower steel column of factory building steel column, the lower steel column 2 for steel column of extending a factory building is indicated with pulverized limestone at installation site ground
Appearance profile line.
3) the outer of the lower steel column 2 of the axis of energy medium pipeline 1 projection line on the ground and steel column of extending a factory building, is checked
The position quantity that shape contour line intersects, and the column inner support for counting the lower steel column 2 of energy medium pipeline 1 and steel column of extending a factory building exists
Dimension data in short transverse at collision, to complete the screening of the enlargement of the factory buildings steel column installation shock point.
Step 2: at the enlargement of the factory buildings point of impingement steel column structure design：(as shown in Figure 2),
1), for ease of installation, steel column is divided into upper steel column 3 and lower steel column 2 using the bracket plane of steel column as line of demarcation, with system
The lower steel column 2 of the energy medium pipeline 1 of meter and steel column of extending a factory building will extend factory on the basis of the collision spot size of short transverse
Being located in the lower steel column 2 in room is higher by 100mm with 1 upper surface absolute altitude of energy medium pipeline and with the column inner support 4 of lower part,
By being welded to connect for original connecting plate in lower steel column 2, it is designed to being fastenedly connected for bolt 5, at this point, lower steel column 2 is removed
The hypomere of column inner support 4 forms Π shape direct through groove with gap, and the width of the opening of the Π shape direct through groove on lower steel column 2 is more than
The overall diameter of energy medium pipeline 1, and the height of the Π shape direct through groove on lower steel column 2 is more than the top surface of energy medium pipeline 1
Absolute altitude 100mm.
2) it, extends a factory building after the upper steel column 3 of steel column, lower steel column 2 complete, will be propped up in the column of lower steel column 2 using bolt 5
Support 4 is all fastened and connected with the connecting plate in lower steel column 2, so that lower steel column 2 is not deformed in transportational process, after not influencing
The installation accuracy of continuous lower steel column 2.
Step 3, the installation of steel column at the enlargement of the factory buildings point of impingement：(as shown in Fig. 3, Fig. 4, Fig. 5)
1) it after the lower steel column 2, extended a factory building transports construction location, in a pre-installation, first removes in lower steel column 2 and is located at energy
Medium pipeline 1 upper surface absolute altitude in source is higher by 100mm and with the column inner support 4 of lower part, then will be straight with Π shapes with hoisting machinery
The lower steel column 2 of straight slot is installed downwards from the top of the energy medium pipeline 1 of the steel column installed position of extending a factory building, using riding
The installation form of formula, lower steel column 2 are inserted into the rim of a cup basis for steel column of extending a factory building after energy medium pipeline 1, then, then use
Bolt 5 installs the column inner support 4 removed in advance piece by piece, and after each column inner support 4 is connected with, the both ends of each column inner support 4 are again
It is mutually welded with the connecting plate in lower steel column 2, lower steel column 2 is made to form firm structure.
2), the absolute altitude centering of lower steel column 2：Starched using base part seat and carry out absolute altitude control, centering, the verticality of lower steel column 2 and
Center controls：Using the theodolite of two 900 settings each other, carries out 2 verticality of lower steel column and central axis control, looks for
It just,, will be in lower steel column 2 and rim of a cup basis with C30 pea gravel concretens after lower 2 centering of steel column until meeting design requirement
Gap is tamped, and after the intensity of pea gravel concreten reaches 2Mpa, carries out installation, the mating operation of the upper steel column 3 of steel column.
And so on complete other positions energy medium pipeline and extend a factory building the steel column point of impingement steel column erector
Make.
(3), construction effect：
The expansion project of Shandong 120t steelmaking converter workshops completes lattice steel column 30 of extending a factory building using the method,
Steel column gear hinders the energy medium pipeline at place to exempt to move and change 270m, and production line normally produces when workshop enlarging steel column installation, this construction
Method obtains owner's favorable comment consistent with supervisor and affirmative.
Claims (1)
1. a kind of installation method of the enlargement of the factory buildings steel column at existing pipeline, it is characterized in that：The lattice column that will be extended a factory building
Steel column is divided into upper steel column (3) and lower steel column (2) using the bracket plane of steel column as line of demarcation, the upper steel column (3) is H profile steel
Structure, the lower steel column (2) are using column center as the lattice column of axial symmetry, double limb girdle column inner supports, according to energy medium pipe
The position dimension of the central axis point of impingement of the i.e. vertical and horizontal of two axial lines of road (1) and steel column of extending a factory building, by lower steel column (2)
At the height 100mm more than energy medium pipeline (1) upper surface in inner cavity and column inner support below (4), by originally under
Being welded to connect for connecting plate on steel column (2) inner wall is changed to being fastenedly connected for bolt (5), in lower steel column (2) installation,
It first temporarily removes and is changed to bolted column inner support (4), at this point, the hypomere that lower steel column (2) has removed column inner support (4) is formed
Π shape direct through groove with gap, the width of the opening of the Π shape direct through groove are more than the overall diameter of energy medium pipeline (1), and lower steel
The height of Π shape direct through groove on column (2) is more than the height of the top surface of energy medium pipeline (1), will with the installation form ridden
The opening of Π shape direct through groove on lower steel column (2) inserts downwards from the top of energy medium pipeline (1), is inserted through energy medium pipeline
(1) after, the lower end section of lower steel column (2) is corresponded to and is inserted into the rim of a cup basis of the enlargement of the factory buildings steel column, then installation was originally removed piece by piece
Column inner support (4), so that lower steel column (2) is formed firm structure and then carry out the verticality and central axis of lower steel column (2)
Centering, after centering, the lower end section of lower steel column (2) is tamped with the gap in rim of a cup basis with C30 pea gravel concretens, is waited for
After the intensity of pea gravel concreten reaches 2Mpa, the installation mating operation of the upper steel column (3) of steel column is carried out, to complete to be situated between with the energy
The installment work of steel column of extending a factory building at matter pipeline (1) collision；
A kind of installation method of the enlargement of the factory buildings steel column at existing pipeline proposed by the invention, construction procedure are：One,
The screening of the enlargement of the factory buildings steel column installation shock point；Two, at the enlargement of the factory buildings point of impingement steel column structure design；Three, the enlargement of the factory buildings is touched
An installation for steel column at hitting；
Wherein：
One, the screening of the enlargement of the factory buildings steel column installation shock point：
1), the central axis according to the vertical and horizontal of original factory building steel column extends and marks according to the design document of the enlargement of the factory buildings
Show to extend a factory building the vertical and horizontal axial centerline of steel column；
2), the intersection point according to the vertical and horizontal central axis of the steel column of extending a factory building indicated is point of impingement inspection area, should
Intersection point is that the extend a factory building central point of steel column installation by the appearance and size for steel column of extending a factory building, is used centered on the central point
Pulverized limestone indicates the appearance profile line for steel column of extending a factory building on the ground of installation site；
3), check energy medium pipeline (1) axis ground projection line with extend a factory building what steel column appearance profile line intersected
Position quantity, and count energy medium pipeline (1) and extend a factory building steel column lower steel column (2) column inner support (4) in height side
The dimension data of the upward point of impingement, to complete the screening of the enlargement of the factory buildings steel column installation shock point；
Two, at the enlargement of the factory buildings point of impingement steel column structure design：
1), for ease of installation, using the bracket plane of steel column as line of demarcation, steel column is divided into upper steel column (3) and lower steel column (2), with
The lower steel column (2) of the energy medium pipeline (1) of statistics and steel column of extending a factory building is incited somebody to action on the basis of the collision spot size of short transverse
Being located in the lower steel column (2) extended a factory building is higher by the upper surface absolute altitude 100mm of energy medium pipeline (1) and with lower part
Column inner support (4) makes being fastenedly connected for bolt (5) by being welded to connect for original connecting plate in lower steel column (2), this
When, the hypomere for having removed column inner support (4) of lower steel column (2) forms the Π shape direct through groove with gap, the Π on the lower steel column (2)
The width of the opening of shape direct through groove is more than the overall diameter of energy medium pipeline (1), and the height of the Π shape direct through groove on lower steel column (2)
Absolute altitude 100mm of the degree more than the top surface of energy medium pipeline (1)；
2), extend a factory building be located at at energy medium pipeline (1) collision upper steel column (3) and lower steel column (2) according to design system
It is using bolt (5) that the column inner support (4) of lower steel column (2) is all corresponding with the connecting plate on lower steel column (2) inner wall after the completion of work
Be fastenedly connected, in order to avoid lower steel column (2) deforms in transportational process, under the influence of steel column (2) subsequent installation precision；
Three, at the enlargement of the factory buildings point of impingement steel column installation：
1) after the lower steel column (2) at the enlargement of the factory buildings and the energy medium pipeline point of impingement, is transported construction location, in a pre-installation,
Being located in steel column (2) is higher by energy medium pipeline (1) upper surface absolute altitude 100mm and to be propped up in the column of lower part under first removing
Support (4), the hypomere of lower steel column (2) made to form Π shape direct through groove, then with hoisting machinery by lower steel column (2) from the energy medium pipeline
(1) top, using the installation form of straddle-type, by the opening of the Π shape direct through groove of lower steel column (2) from energy medium pipeline (1)
Top insert downwards, after being inserted through energy medium pipeline (1), be inserted into the enlargement of the factory buildings steel column by the lower end of lower steel column (2) section is corresponding
Rim of a cup basis in, then the column inner support (4) originally removed installed using bolt (5) piece by piece, so that lower steel column (2) is formed firm
Structure；
2), the centering of lower steel column height mark：The vertical of the control and lower steel column (2) for carrying out absolute altitude is starched using rim of a cup foundation bottom seat
Degree and control, the centering of center carry out the verticality of lower steel column (2) in using the theodolite of two 90 ° of settings each other
The control of mandrel line and centering, after lower steel column (2) centering, with C30 pea gravel concretens will lower steel column (2) in rim of a cup basis
Gap tamp, after the intensity of pea gravel concreten reaches 2Mpa, then carry out steel column (3) abutting joint work；
And so on complete the installment work of other energy medium pipelines (1) and the steel column extended a factory building at the steel column point of impingement.
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| CN201810529876.3A CN108716289B (en) | 2018-05-29 | 2018-05-29 | Installation method of factory building extension steel column located at existing pipeline |
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| CN201810529876.3A CN108716289B (en) | 2018-05-29 | 2018-05-29 | Installation method of factory building extension steel column located at existing pipeline |
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| CN109356398A (en) * | 2018-11-22 | 2019-02-19 | 中国十七冶集团有限公司 | It is a kind of to keep off the remodeling method for hindering steel column install medium pipeline of extending a factory building |
| CN109610867A (en) * | 2018-12-06 | 2019-04-12 | 中国十七冶集团有限公司 | A kind of construction method for breast-wall of extending a factory building |
| CN112227751A (en) * | 2020-09-14 | 2021-01-15 | 中国二十冶集团有限公司 | Restoration method of old concrete column |
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| CN103967284A (en) * | 2014-04-03 | 2014-08-06 | 中国十七冶集团有限公司 | Method for installing steel column in butt joint with reserved column head |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109610867A (en) * | 2018-12-06 | 2019-04-12 | 中国十七冶集团有限公司 | A kind of construction method for breast-wall of extending a factory building |
| CN109610867B (en) * | 2018-12-06 | 2021-03-19 | 中国十七冶集团有限公司 | Construction method for enlarging gable structure of factory building |
| CN112227751A (en) * | 2020-09-14 | 2021-01-15 | 中国二十冶集团有限公司 | Restoration method of old concrete column |
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| CN108716289B (en) | 2020-04-17 |
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