CN102116085A - Construction method of outpacking structure of steel pipe column with asymmetric steel hanging structure and scaffold - Google Patents
Construction method of outpacking structure of steel pipe column with asymmetric steel hanging structure and scaffold Download PDFInfo
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- CN102116085A CN102116085A CN 201110008645 CN201110008645A CN102116085A CN 102116085 A CN102116085 A CN 102116085A CN 201110008645 CN201110008645 CN 201110008645 CN 201110008645 A CN201110008645 A CN 201110008645A CN 102116085 A CN102116085 A CN 102116085A
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Abstract
The invention discloses a construction method of an outpacking structure of steel pipe column with an asymmetric steel hanging structure, and an overhanging opening type scaffold. After the construction of core tube steel pipe column with the asymmetric steel suspension structure is completed, the construction of the outerpacking structure of the steel pipe column is conducted; and the overhanging scaffold used for conducting outpacking structure construction on the steel pipe column is independently erected on each steel pipe string on the periphery of the core tube. Compared with a traditional scaffold building process, the construction method provided by the technical scheme has the advantages that as the overhanging opening type scaffolds are independently erected according to each steel pipe column and are not communicated, the scaffolds can be built and removed flexibly and conveniently, the engineering quantity is small, and the construction speed is high; and after the construction of the outerpacking structure of each section of overhanging opening type scaffold is completed, the corresponding overhanging opening type scaffold is removed immediately, which not only provides preferable technical measures and good technical guarantees for the construction of the outerpacking structure of the steel pipe column with the asymmetric steel hanging structure, but also effectively solves the problem of cross operation and the cooperation of the construction of the outerpacking structure and the hoisting of the steel hanging structure constructed later.
Description
Technical field
The present invention relates to technical field of buildings, particularly relate to a kind of job practices and scaffold of asymmetric steel suspended structure steel pipe column externally-packed structure.
Background technology
Continuous increase along with national economy, urban construction is advanced by leaps and bounds, asymmetric steel suspended structure is as a kind of novel labyrinth system, according to its structure feature, take into full account the stress deformation and steel work self strain of steel suspended structure part, it builds order the strict control of concreting of suspension floor, it is loading sequence, to guarantee that whole suspended structure is whole stressed even, so for asymmetric steel suspended structure system, its construction process requires nuclear core tube steel pipe column generally prior to hanging the section construction, after the construction of core tube steel tubing string is finished, the part floor of externally-packed structure of steel pipe column (concreting layer) and core tube needs construction simultaneously, so the steel work of core shell system and the cross-operation of civil engineering specialty, coordinative construction is frequent, its scaffold building is as adopting the closed scaffold of encorbelmenting of segmentation routinely, and suspended structure that will the construction of influence back is installed, and can not satisfy the construction requirement of asymmetric steel suspended structure.
Summary of the invention
Technical problem to be solved by this invention is to overcome the existing segmentation closed scaffold of encorbelmenting can influence the defective of follow-up construction, and the used open-type scaffold of encorbelmenting in a kind of job practices of asymmetric steel suspended structure steel pipe column externally-packed structure and the construction is provided.
In order to solve the problems of the technologies described above, the present invention adopts following technical scheme:
The job practices of asymmetric steel suspended structure steel pipe column externally-packed structure provided by the invention: after the core tube steel tubing string construction of described asymmetric steel suspended structure is finished, carry out the construction of steel pipe column externally-packed structure, every steel pipe column of core tube periphery sets up the type scaffold of encorbelmenting separately and is used for steel pipe column is carried out the externally-packed structure construction.
Overhanging scaffold described in the above-mentioned job practices adopts i iron as supporting traverse, and the spacing between two supporting traverses is smaller or equal to 600mm, makes it not influence the installation of the horizontal girder steel of suspended structure of back construction.Described supporting traverse adopts round steel U type hoop and floor girder steel to weld together.To reserve the fixing clearance of follow-up steel suspended structure girder steel, make it not influence the installation of the horizontal girder steel of suspended structure of back construction at the thick steel plate of supporting traverse underlay 5cm.
In the aforementioned job practices, described overhanging scaffold is provided with the steel pipe diagonal brace, one end of steel pipe diagonal brace is welded on steel pipe column and reserves on the steel corbel, the other end adopts fastener to be connected with vertical rod, when building steel pipe column externally-packed structure concrete, be embedded in together in the concrete, this diagonal brace can play the off-load effect to whole frame body, strengthens the stability of whole frame body.
In the aforementioned job practices, the inside and outside vertical rod array pitch of described overhanging scaffold is smaller or equal to 600mm, and interior vertical rod is 450mm from the steel pipe column back gauge, whippletree advance 600～1350mm, step pitch 1600～2000mm.
The present invention also provides used a kind of open-type scaffold of encorbelmenting in the aforementioned job practices: every steel pipe column of core tube periphery is built independent overhanging scaffold respectively, overhanging scaffold comprises vertical rod, leger and little cross bar, vertical rod is positioned on the i iron supporting traverse, be provided with close order safety net in the outside of vertical rod, the i iron supporting traverse is welded on the floor girder steel by round steel U type hoop, one end of wire rope is connected on the i iron supporting traverse by wire clips, and the other end is connected on the round steel U type embedded part of floor floor.
The array pitch of the inside and outside vertical rod of the above-mentioned open-type scaffold of encorbelmenting is smaller or equal to 600mm, and interior vertical rod is 450mm apart from the distance of steel pipe column, and the advance between the cross bar is 600～1350mm, and step pitch is 1500～1800mm, and little cross bar places on the leger.
On the aforementioned open-type scaffold of encorbelmenting the steel pipe diagonal brace is set, an end of steel pipe diagonal brace is welded on the reservation steel corbel of steel pipe column, and the other end adopts fastener to be connected with vertical rod.
The aforementioned open-type scaffold of encorbelmenting, the i iron supporting traverse is welded on the floor girder steel by round steel U type hoop, the thick steel plate of pad 5cm between i iron supporting traverse and floor girder steel.
Compare with traditional scaffold building technology, the job practices that technique scheme provides is owing to set up the open-type scaffold of encorbelmenting, can satisfy the special topology requirement of asymmetric steel suspended structure core tube steel tubing string externally-packed structure, set up separately respectively at every steel pipe column because be, be not communicated with, and take tear open flexible, engineering quantity is little, speed of application is fast, each section is encorbelmented after steel pipe column externally-packed structure construction finishes, can remove the open-type scaffold of encorbelmenting accordingly immediately, not only for the construction of asymmetric steel suspended structure steel pipe column externally-packed structure provides technical measures and good technical guarantee preferably, and can effectively solve itself and steel suspended structure lifting cross-operation of back construction, matching problem.
Description of drawings
Fig. 1 is asymmetric steel suspended structure steel pipe column external wrapping concrete structure scaffold building floor map;
Fig. 2 is the enlarged drawing of a-quadrant among Fig. 1;
Fig. 3 is the A-A sectional view of Fig. 2;
Fig. 4 is the B-B sectional view of Fig. 2;
Fig. 5 is the enlarged drawing in B zone among Fig. 4.
Reference numeral: 1-i iron support rail, 2-vertical rod, 3-leger, the little cross bar of 4-, 5-girder steel, 6-round steel U type embedded part, 7-steel pipe column externally-packed structure, 8-reserve steel corbel, the close order safety net of 9-, 10-round steel Non-slip material, 11-steel pipe column, 12-steel pipe diagonal brace, 13-round steel U type hoop, 14-5cm steel plate, 15-wire rope, 16-wire clips, 17-floor floor.
The specific embodiment
The core tube of asymmetric steel suspended structure as shown in Figure 1, have 12 steel pipe columns 11, the externally-packed structure 7 of steel pipe column adopts concreting, because be asymmetric steel suspended structure, its construction process requires nuclear core tube steel pipe column generally prior to hanging the section construction, after the construction of core tube steel tubing string is finished, the part floor of externally-packed structure of steel pipe column (concreting layer) and core tube needs construction simultaneously, and the core tube is built the open-type scaffold of encorbelmenting 8 steel pipe columns 11 of periphery are carried out 7 constructions of concrete externally-packed structure.
Encorbelment the building of open-type scaffold:
8 steel pipe columns 11 of core tube periphery are built independent overhanging scaffold respectively, each overhanging scaffold comprises vertical rod 2, leger 3 and little cross bar 4, little cross bar 4 places on the leger 3, completely spread bamboo basketry sheet scaffold floor, vertical rod 2 is positioned on the i iron supporting traverse 1, the spacing 600mm of two i iron 1, i iron supporting traverse 1 is welded on the floor girder steel 5 by round steel U type hoop 13, for reserving follow-up steel suspended structure girder steel fixing clearance, the thick steel plate 14 of pad 5cm between i iron supporting traverse 1 and floor girder steel 5, the array pitch of inside and outside vertical rod 2 is smaller or equal to 600mm, interior vertical rod 2 is 450mm apart from the distance of steel pipe column 11, advance between the cross bar 3 and 4 is 600～1350mm, step pitch is 1500～1800mm, be provided with close order safety net 9 in the outside of vertical rod 2, i iron supporting traverse 1 is welded on the floor girder steel 5 by round steel U type hoop 13, the end employing wire rope 15 of encorbelmenting carries out off-load, one end of wire rope 15 be connected on the i iron supporting traverse 1 by 3 wire clips 16 and with round steel Non-slip material 10 fixedly wire rope 15 to guarantee safety and to need reservation cushion the space, the other end is connected on the round steel U type embedded part 6 of floor floor 17, this overhanging scaffold also is provided with steel pipe diagonal brace 12, one end of steel pipe diagonal brace 12 is welded on the reservation steel corbel 8 of steel pipe column 11, the other end adopts fastener to be connected with vertical rod 2, when building steel pipe column externally-packed structure concrete, be embedded in the concrete together, this diagonal brace can play the off-load effect to whole frame body, strengthens the stability of whole frame body.
The principle of afterwards tearing open is followed from top to bottom, taken earlier to its dismantle processes flow process, and worker's flow process is opposite with setting up.
The scaffold of every steel pipe column is set up separately respectively, is not communicated with, take tear open flexible, each section encorbelmented after the externally-packed structure construction of support body finishes, and removes corresponding scaffold immediately, can effectively solve its steel with the back construction and hang segment structure lifting cross-operation, matching problem.
Claims (10)
1. the job practices of an asymmetric steel suspended structure steel pipe column externally-packed structure, it is characterized in that: after the core tube steel tubing string construction of described asymmetric steel suspended structure is finished, carry out the construction of steel pipe column externally-packed structure, every steel pipe column of core tube periphery sets up the type scaffold of encorbelmenting separately and is used for steel pipe column is carried out the externally-packed structure construction.
2. according to the job practices of the described asymmetric steel suspended structure steel pipe column externally-packed structure of claim 1, it is characterized in that: described overhanging scaffold adopts i iron as supporting traverse, and the spacing between two supporting traverses is smaller or equal to 600mm.
3. according to the job practices of the described asymmetric steel suspended structure steel pipe column externally-packed structure of claim 2, it is characterized in that: the steel plate that supporting traverse underlay 5cm is thick.
4. according to the job practices of the described asymmetric steel suspended structure steel pipe column externally-packed structure of claim 3, it is characterized in that: described supporting traverse adopts U type hoop and floor girder steel to weld together.
5. according to the job practices of the described asymmetric steel suspended structure steel pipe column externally-packed structure of claim 1, it is characterized in that: described overhanging scaffold is provided with the steel pipe diagonal brace, one end of steel pipe diagonal brace is welded on steel pipe column and reserves on the steel corbel, the other end adopts fastener to be connected with vertical rod, when building steel pipe column externally-packed structure concrete, be embedded in the concrete together.
6. according to the job practices of the described asymmetric steel suspended structure steel pipe column externally-packed structure of claim 1, it is characterized in that: the inside and outside vertical rod array pitch of described overhanging scaffold is smaller or equal to 600mm, interior vertical rod is 450mm from the steel pipe column back gauge, cross bar advance 600～1350mm, step pitch 1500～1800mm.
7. open-type scaffold of encorbelmenting, it is characterized in that: the every steel pipe column (11) of core tube periphery is built independent overhanging scaffold respectively, overhanging scaffold comprises vertical rod (2), leger (3) and little cross bar (4), vertical rod (2) is positioned on the i iron supporting traverse (1), be provided with close order safety net (9) in the outside of vertical rod (2), i iron supporting traverse (1) is welded on the floor girder steel (5) by round steel U type hoop (13), one end of wire rope (15) is connected on the i iron supporting traverse (1) by wire clips (16), and the other end is connected on the round steel U type embedded part (6) of floor floor (17).
8. according to the described open-type scaffold of encorbelmenting of claim 7, it is characterized in that: the array pitch of inside and outside vertical rod (2) is smaller or equal to 600mm, interior vertical rod (2) is 450mm apart from the distance of steel pipe column (11), advance between cross bar (3) and (4) is 600～1350mm, step pitch is 1500～1800mm, and little cross bar (3) places on the leger (4).
9. according to the described open-type scaffold of encorbelmenting of claim 8, it is characterized in that: an end of steel pipe diagonal brace (12) is welded on the reservation steel corbel (8) of steel pipe column (11), and the other end adopts fastener to be connected with vertical rod (2).
10. according to the described open-type scaffold of encorbelmenting of claim 8, it is characterized in that: i iron supporting traverse (1) is welded on the floor girder steel (5) by round steel U type hoop (13), the thick steel plate (14) of pad 5cm between i iron supporting traverse (1) and floor girder steel (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110008645 CN102116085B (en) | 2011-01-17 | 2011-01-17 | Construction method of outpacking structure of steel pipe column with asymmetric steel hanging structure and scaffold |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110008645 CN102116085B (en) | 2011-01-17 | 2011-01-17 | Construction method of outpacking structure of steel pipe column with asymmetric steel hanging structure and scaffold |
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| CN102116085A true CN102116085A (en) | 2011-07-06 |
| CN102116085B CN102116085B (en) | 2012-10-03 |
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| CN 201110008645 Expired - Fee Related CN102116085B (en) | 2011-01-17 | 2011-01-17 | Construction method of outpacking structure of steel pipe column with asymmetric steel hanging structure and scaffold |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102392532A (en) * | 2011-10-28 | 2012-03-28 | 山东万鑫建设有限公司 | Construction method for built-in hanging scaffold of high-rise building |
| CN102995889A (en) * | 2012-11-14 | 2013-03-27 | 中冶天工集团有限公司 | Method for building mould of honeycomb type reticulated shell high-altitude scaffold |
| CN107558720A (en) * | 2017-10-18 | 2018-01-09 | 中交第四公路工程局有限公司 | A kind of vertical rod fixture and scaffold |
| CN116771088A (en) * | 2023-08-17 | 2023-09-19 | 上海建工一建集团有限公司 | Cylinder frame deformable cylinder and column integrated integral climbing steel platform and construction method |
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|---|---|---|---|---|
| GB623739A (en) * | 1946-05-07 | 1949-05-23 | Wates Ltd | Improvements in or relating to erection jigs or the like |
| CN2152028Y (en) * | 1992-09-17 | 1994-01-05 | 黄侠 | Vertical pole assembling and disassembling device for building steel pipe frame |
| EP1160395A2 (en) * | 2000-05-31 | 2001-12-05 | Combisafe International Ab | Device in guard railings |
| CN202023348U (en) * | 2011-01-17 | 2011-11-02 | 中国建筑第四工程局有限公司 | Hanging-opening type scaffold |
-
2011
- 2011-01-17 CN CN 201110008645 patent/CN102116085B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB623739A (en) * | 1946-05-07 | 1949-05-23 | Wates Ltd | Improvements in or relating to erection jigs or the like |
| CN2152028Y (en) * | 1992-09-17 | 1994-01-05 | 黄侠 | Vertical pole assembling and disassembling device for building steel pipe frame |
| EP1160395A2 (en) * | 2000-05-31 | 2001-12-05 | Combisafe International Ab | Device in guard railings |
| CN202023348U (en) * | 2011-01-17 | 2011-11-02 | 中国建筑第四工程局有限公司 | Hanging-opening type scaffold |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102392532A (en) * | 2011-10-28 | 2012-03-28 | 山东万鑫建设有限公司 | Construction method for built-in hanging scaffold of high-rise building |
| CN102392532B (en) * | 2011-10-28 | 2013-05-29 | 山东万鑫建设有限公司 | Construction method for built-in hanging scaffold of high-rise building |
| CN102995889A (en) * | 2012-11-14 | 2013-03-27 | 中冶天工集团有限公司 | Method for building mould of honeycomb type reticulated shell high-altitude scaffold |
| CN102995889B (en) * | 2012-11-14 | 2015-07-01 | 中冶天工集团有限公司 | Method for building mould of honeycomb type reticulated shell high-altitude scaffold |
| CN107558720A (en) * | 2017-10-18 | 2018-01-09 | 中交第四公路工程局有限公司 | A kind of vertical rod fixture and scaffold |
| CN116771088A (en) * | 2023-08-17 | 2023-09-19 | 上海建工一建集团有限公司 | Cylinder frame deformable cylinder and column integrated integral climbing steel platform and construction method |
| CN116771088B (en) * | 2023-08-17 | 2023-10-17 | 上海建工一建集团有限公司 | Cylinder frame deformable cylinder and column integrated integral climbing steel platform and construction method |
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|---|---|
| CN102116085B (en) | 2012-10-03 |
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