CN109488029A - The construction method of the whole Pin lifting of return air passageway steel construction - Google Patents
The construction method of the whole Pin lifting of return air passageway steel construction Download PDFInfo
- Publication number
- CN109488029A CN109488029A CN201811319321.2A CN201811319321A CN109488029A CN 109488029 A CN109488029 A CN 109488029A CN 201811319321 A CN201811319321 A CN 201811319321A CN 109488029 A CN109488029 A CN 109488029A
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- China
- Prior art keywords
- steel
- whole pin
- construction
- lifting
- return air
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
- E04G21/16—Tools or apparatus
- E04G21/18—Adjusting tools; Templates
- E04G21/1841—Means for positioning building parts or elements
Abstract
The invention discloses a kind of construction methods of the whole Pin lifting of return air passageway steel construction, comprising the following steps: steel kind design is installed on fixed bracket；On the ground steel member assembly is welded to form whole Pin steel construction；It after the completion of whole Pin welding for steel structure, is lifted in place, and direction controlling is carried out to whole Pin steel construction in hoisting process；It is fixed temporarily after whole Pin steel member lifting is in place, and carries out position correction, method completes being fixed temporarily for all whole Pin steel members according to this after position correction, and connects adjacent two whole Pin steel member.The construction method of the whole Pin lifting of return air passageway proposed by the present invention steel construction, reduces amount of high-altitude operation, improves work efficiency simultaneously, shorten the duration.
Description
Technical field
The present invention relates to technical field of building construction more particularly to a kind of construction parties of the whole Pin lifting of return air passageway steel construction
Method.
Background technique
Steel construction is widely used in workshop class building in recent years, and electronic workshop return air passageway is usually steel construction shape
Formula, i.e. return air passageway are provided with steel column and intercolumniation bracing members.Steel construction return air passageway traditional construction way is that steel member high-altitude is former
The scattered welding in position gradually forms return air passageway entirety after connecing, there are the installations of worker high-altitude for this construction technology often, high-altitude steel structure
The drawbacks such as part splicing accuracy is not easy to control, assembly takes a long time.
Summary of the invention
The main purpose of the present invention is to provide a kind of construction methods of the whole Pin lifting of return air passageway steel construction, it is intended to reduce
The amount of high-altitude operation in steel construction return air passageway.
To achieve the above object, the present invention provides a kind of construction method of return air passageway steel construction whole Pin lifting, including with
Lower step:
Steel kind design is installed on fixed bracket；
On the ground steel member assembly is welded to form whole Pin steel construction；
It after the completion of whole Pin welding for steel structure, is lifted in place, and direction controlling is carried out to whole Pin steel construction in hoisting process；
It is fixed temporarily after whole Pin steel member lifting is in place, and carries out position correction, method completion is all whole according to this after position correction
Pin steel member is fixed temporarily, and connects adjacent two whole Pin steel member.
Preferably, the step that steel kind design is installed on fixed bracket specifically includes:
Steel kind design lifting is seated on the fixation bracket being assembled by angle steel, while carrying out the survey school of steel kind design and temporarily consolidating
It is fixed, and adjacent two steel kind design is connected with interim coupling beam to form stable frame.
Preferably, the support bracket fastened bottom end welding steel and it is firm place on predetermined concrete cushion, fixed bracket
Horizontal gird be equipped with slash to guarantee that it is indeformable that its continuing surface is stablized.
Preferably, steel kind design post-tensioning in place sets interim cable wind rope and is fixed temporarily to it.
Preferably, when welding steel member assembly to form whole Pin steel construction on the ground, first in ground configuration by channel steel system
The assembled moulding bed of work, the arrangement of assembled moulding bed and the arrangement shape adaptation of node, and be respectively provided in member body port corresponding position
Moulding bed, by steel member, assembled welding forms whole Pin steel construction on moulding bed.
Preferably, when welding steel member assembly to form whole Pin steel construction on the ground, steel member welding first uses four people
It is symmetrically welded crossbeam, forms systems stabilisation, then is symmetrically welded diagonal brace to avoid the deformation of member in welding process, when steel member is H
When section steel beam, lower flange is first welded, then welds web weld seam, the edge of a wing of finally burn-oning.
Preferably, in the hoisting process to whole Pin steel construction, steel ladder and catching device are set, to facilitate steel member to lift
Loop wheel machine pine hook and secondary structure installation exercise after the completion of in place.
Preferably, in the hoisting process to whole Pin steel construction, in lifting, first examination is hung, when whole Pin steel member is liftoff default
Apart from when, stop raising, check component and hoisting machine tool whether there is or not abnormal phenomenon, confirm it is without exception after lifted again.
Preferably, it is fixed temporarily after whole Pin steel member lifting is in place with installation bolt, and draws and set cable wind rope reinforcing, while root
Position correction is carried out to whole Pin steel member using total station according to control net.
Preferably, the patch reflection patch on the top of whole Pin steel member, after the completion of being fixed temporarily, according to the control laid
Net sets up total station on control point, directly sighting reflection patch center, carries out steel column correction using jack.
The construction method of the whole Pin lifting of return air passageway proposed by the present invention steel construction has the advantage that
1, reduce high-altitude and dissipate the risk spelled in situ, reduce the risk of operating personnel's falling from high altitude；
2, worker operation is convenient, and in installation on ground, its quality is easy to get guarantee, while checker and supervisor also facilitates inspection, prison
Control improves engineering first-time qualification rate, promotes the quality level of entire engineering；
3, component is marched into the arena in advance carries out assembly, and by the good rear integral hoisting of two segmented column gate-type truss installation on ground, it is full to avoid high-altitude
Hall frame is set up and high-altitude dissipates the work consuming spelled, time-consuming, feed consumption in situ, and the duration is guaranteed；
4, ground integral assembling is without setting up full hall scaffold, saving scaffold lease expenses and setting up labour cost；
5, do not restricted by component spatial geographical locations, operating personnel can in installation on ground, it is easy to operate efficiently, reduce manually and
Machinery investment, to reduce labour cost and machinery cost.
Detailed description of the invention
Fig. 1 is the flow diagram of the construction method preferred embodiment of the whole Pin lifting of return air passageway of the present invention steel construction.
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
It should be noted that in the description of the present invention, term " transverse direction ", " longitudinal direction ", "upper", "lower", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown, is merely for convenience of description of the present invention and simplification of the description, and is not the dress of indication or suggestion meaning
It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to limit of the invention
System.In addition, term " first ", " second " etc. are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
Referring to Fig.1, in this preferred embodiment, a kind of construction method of the whole Pin lifting of return air passageway steel construction, including it is following
Step:
Steel kind design is installed on fixed bracket by step S10；
Step S20 welds steel member assembly to form whole Pin steel construction on the ground；
Step S30 after the completion of whole Pin welding for steel structure, is lifted in place, and is carried out in hoisting process to whole Pin steel construction
Direction controlling；
Step S40, is fixed temporarily, and carry out position correction, method is complete according to this after position correction after whole Pin steel member lifting is in place
At being fixed temporarily for all whole Pin steel members, and connect adjacent two whole Pin steel member.
Step S10 is specifically included:
Steel kind design lifting is seated on the fixation bracket being assembled by angle steel, while carrying out the survey school of steel kind design and temporarily consolidating
It is fixed, and adjacent two steel kind design is connected with interim coupling beam to form stable frame.
Channel steel can be used temporarily to be connected as otic placode of the interim coupling beam to adjacent steel kind design.Fixed bracket is as steel column
Interim stress support.By the way that fixed bracket is arranged, to ensure that the stress transmitting of steel kind design construction.Support bracket fastened bottom end
On welding steel and the firm predetermined concrete cushion of placement, support bracket fastened horizontal gird is equipped with slash to guarantee its continuing surface
Stablize indeformable.Fixed bracket and neighbouring pile crown reinforcement welding are secured.
In order to ensure steel kind design it is in place after stabilization, after steel kind design is in place, drawing set interim cable wind rope it is carried out it is temporarily solid
It is fixed.
In step S20, for the accuracy for guaranteeing the whole Pin assembly steel member in ground, steel member assembly needs to be arranged assembled tire
Frame.When welding steel member assembly to form whole Pin steel construction on the ground, the assembled moulding bed first made in ground configuration by channel steel,
The arrangement of assembled moulding bed and the arrangement shape adaptation of node, and it is respectively provided with moulding bed in member body port corresponding position, by steel member
Assembled welding forms whole Pin steel construction on moulding bed.
When welding steel member assembly to form whole Pin steel construction on the ground, steel member welding is first symmetrically welded using four people
Crossbeam forms systems stabilisation, then is symmetrically welded diagonal brace to avoid the deformation of member in welding process, when steel member is H profile steel beam,
Lower flange is first welded, then welds web weld seam, the edge of a wing of finally burn-oning.
Construction technology as one preferred, after the completion of moulding bed location and installation, the assembled sequence of steel member is successively are as follows:
The upper and lower assembled in place → vertical web rod welding installation → diagonal web member welding installation of chord member.
In step S30, in the hoisting process to whole Pin steel construction, steel ladder and catching device are set, to facilitate steel member
Loop wheel machine pine hook and secondary structure installation exercise after the completion of lifting is in place.
In the hoisting process to whole Pin steel construction, lifting when first examination hang, when the whole liftoff pre-determined distance of Pin steel member (such as
Settable liftoff 200mm or so) when, stop raising (settable to stop 10 minutes), it is without exception to check that component and hoisting machine tool have
Phenomenon is lifted again after confirmation is without exception.
In the hoisting process to whole Pin steel construction, wirerope, shackle should be combed smooth before lifting, and must not have kink existing
As.
In the hoisting process to whole Pin steel construction, Ying Lashe slips rope, convenient for progress side in whole Pin steel member hoisting process
To adjustment.
In step S40, it is fixed temporarily after whole Pin steel member lifting is in place with installation bolt, and draw and set cable wind rope reinforcing, together
When according to control net using total station to whole Pin steel member progress position correction.
It is preferred that the patch reflection patch on the top of whole Pin steel member, after the completion of being fixed temporarily, according to the control net laid, frame
If total station carries out steel column correction using jack on control point, directly sighting reflection patch center.
After the completion of a certain whole Pin steel member correction, to adjacent whole Pin steel member using being symmetrically welded, it is to be welded after the completion of again
The height coordinate for observing same position, compares height difference twice, and make a record, if height difference is unsatisfactory for error, then to whole Pin steel structure
Part carries out subtle adjustment.
The construction method of the whole Pin lifting of the return air passageway steel construction that the present embodiment proposes has the advantage that
1, reduce high-altitude and dissipate the risk spelled in situ, reduce the risk of operating personnel's falling from high altitude；
2, worker operation is convenient, and in installation on ground, its quality is easy to get guarantee, while checker and supervisor also facilitates inspection, prison
Control improves engineering first-time qualification rate, promotes the quality level of entire engineering；
3, component is marched into the arena in advance carries out assembly, and by the good rear integral hoisting of two segmented column gate-type truss installation on ground, it is full to avoid high-altitude
Hall frame is set up and high-altitude dissipates the work consuming spelled, time-consuming, feed consumption in situ, and the duration is guaranteed；
4, ground integral assembling is without setting up full hall scaffold, saving scaffold lease expenses and setting up labour cost；
5, do not restricted by component spatial geographical locations, operating personnel can in installation on ground, it is easy to operate efficiently, reduce manually and
Machinery investment, to reduce labour cost and machinery cost.
The above is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure transformation made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant technical fields,
Similarly it is included within the scope of the present invention.
Claims (10)
1. a kind of construction method of the whole Pin lifting of return air passageway steel construction, which comprises the following steps:
Steel kind design is installed on fixed bracket；
On the ground steel member assembly is welded to form whole Pin steel construction；
It after the completion of whole Pin welding for steel structure, is lifted in place, and direction controlling is carried out to whole Pin steel construction in hoisting process；
It is fixed temporarily after whole Pin steel member lifting is in place, and carries out position correction, method completion is all whole according to this after position correction
Pin steel member is fixed temporarily, and connects adjacent two whole Pin steel member.
2. the construction method of the whole Pin lifting of return air passageway as described in claim 1 steel construction, which is characterized in that described by steel column
The step that foot is installed on fixed bracket specifically includes:
Steel kind design lifting is seated on the fixation bracket being assembled by angle steel, while carrying out the survey school of steel kind design and temporarily consolidating
It is fixed, and adjacent two steel kind design is connected with interim coupling beam to form stable frame.
3. the construction method of the whole Pin lifting of return air passageway as claimed in claim 2 steel construction, which is characterized in that the fixed branch
On the bottom end welding steel of frame and the firm predetermined concrete cushion of placement, support bracket fastened horizontal gird is equipped with slash to guarantee
Its continuing surface is stablized indeformable.
4. the construction method of the whole Pin lifting of return air passageway as described in claim 1 steel construction, which is characterized in that the steel kind design
Post-tensioning in place sets interim cable wind rope and is fixed temporarily to it.
5. the construction method of the whole Pin lifting of return air passageway as described in claim 1 steel construction, which is characterized in that on the ground will
When steel member assembly welds to form whole Pin steel construction, the assembled moulding bed first made in ground configuration by channel steel, the cloth of assembled moulding bed
The arrangement shape adaptation with node is set, and is respectively provided with moulding bed in member body port corresponding position, steel member is assembled on moulding bed
Welding forms whole Pin steel construction.
6. the construction method of the whole Pin lifting of return air passageway as described in claim 1 steel construction, which is characterized in that on the ground will
When steel member assembly welds to form whole Pin steel construction, steel member welding is first symmetrically welded crossbeam using four people, forms systems stabilisation,
It is symmetrically welded diagonal brace again and first welds lower flange, then weld when steel member is H profile steel beam to avoid the deformation of member in welding process
Web weld seam, the edge of a wing of finally burn-oning.
7. the construction method of the whole Pin lifting of return air passageway as described in claim 1 steel construction, which is characterized in that whole Pin steel
In the hoisting process of structure, steel ladder and catching device are set, with loop wheel machine pine hook after the completion of facilitating steel member lifting in place and secondary
Structure installation exercise.
8. the construction method of the whole Pin lifting of return air passageway as described in claim 1 steel construction, which is characterized in that whole Pin steel
In the hoisting process of structure, in lifting, first examination is hung, and when the liftoff pre-determined distance of whole Pin steel member, is stopped raising, is checked component
And whether there is or not abnormal phenomenon for hoisting machine tool, are lifted again after confirmation is without exception.
9. the construction method of the whole Pin lifting of return air passageway as claimed in any of claims 1 to 8 in one of claims steel construction, feature exist
In whole Pin steel member is fixed temporarily after lifting in place with installation bolt, and is drawn and set cable wind rope reinforcing, while according to control net utilization
Total station carries out position correction to whole Pin steel member.
10. the construction method of the whole Pin lifting of return air passageway as claimed in claim 9 steel construction, which is characterized in that in whole Pin steel
Patch reflection patch on the top of component, according to the control net laid, sets up total station on control point after the completion of being fixed temporarily,
Reflection patch center is directly sighted, steel column correction is carried out using jack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811319321.2A CN109488029A (en) | 2018-11-07 | 2018-11-07 | The construction method of the whole Pin lifting of return air passageway steel construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811319321.2A CN109488029A (en) | 2018-11-07 | 2018-11-07 | The construction method of the whole Pin lifting of return air passageway steel construction |
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| CN109488029A true CN109488029A (en) | 2019-03-19 |
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| CN201811319321.2A Pending CN109488029A (en) | 2018-11-07 | 2018-11-07 | The construction method of the whole Pin lifting of return air passageway steel construction |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111749474A (en) * | 2020-07-02 | 2020-10-09 | 上海建工四建集团有限公司 | Construction method of clean workshop |
| CN112431416A (en) * | 2020-12-22 | 2021-03-02 | 中建一局集团建设发展有限公司 | Workshop building method capable of effectively shortening construction period and workshop built by same |
| CN113550598A (en) * | 2021-07-13 | 2021-10-26 | 中国二十二冶集团有限公司 | Correction method for sectional installation of large-span steel truss |
| CN115929050A (en) * | 2023-02-13 | 2023-04-07 | 中国二十二冶集团有限公司 | Installation method of vertical arc-shaped steel structure |
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| CN115929050A (en) * | 2023-02-13 | 2023-04-07 | 中国二十二冶集团有限公司 | Installation method of vertical arc-shaped steel structure |
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