CN114922467A - Adjustable steel pipe column supporting structure and construction method - Google Patents
Adjustable steel pipe column supporting structure and construction method Download PDFInfo
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- CN114922467A CN114922467A CN202210591467.2A CN202210591467A CN114922467A CN 114922467 A CN114922467 A CN 114922467A CN 202210591467 A CN202210591467 A CN 202210591467A CN 114922467 A CN114922467 A CN 114922467A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 217
- 239000010959 steel Substances 0.000 title claims abstract description 217
- 238000010276 construction Methods 0.000 title claims abstract description 44
- 230000008093 supporting effect Effects 0.000 title claims abstract description 43
- 238000009415 formwork Methods 0.000 claims abstract description 19
- 238000003466 welding Methods 0.000 claims description 15
- 238000005520 cutting process Methods 0.000 claims description 14
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 239000002390 adhesive tape Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 7
- 239000000463 material Substances 0.000 description 6
- 238000004140 cleaning Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 239000002893 slag Substances 0.000 description 3
- 125000006850 spacer group Chemical group 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 229910000746 Structural steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
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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
- E04G25/00—Shores or struts; Chocks
- E04G25/04—Shores or struts; Chocks telescopic
- E04G25/06—Shores or struts; Chocks telescopic with parts held together by positive means
- E04G25/065—Shores or struts; Chocks telescopic with parts held together by positive means by a threaded nut
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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
- E04G5/00—Component parts or accessories for scaffolds
- E04G5/02—Scaffold feet, e.g. with arrangements for adjustment
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Abstract
The invention discloses an adjustable steel pipe column supporting structure and a construction method. The supporting structure comprises a steel pipe column, and the steel pipe column has a preset size so as to provide a bearing capacity with a preset size; the first steel plate is fixed at the top of the steel pipe column, and the central line of the first steel plate is superposed with the central axis of the steel pipe column so as to be used for supporting the template to be supported; the second steel plate is fixed at the bottom of the steel pipe column, and the center line of the second steel plate is superposed with the center axis of the steel pipe column; and the adjusting part is arranged on the second steel plate and can reciprocate along the vertical direction to drive the steel pipe column to vertically ascend or descend so as to adjust the supporting height. The supporting structure can effectively solve the independent supporting problem of overhanging parts such as post-cast strips and construction joints, prevent the phenomenon that traditional formwork support bodies are not independently erected in the prior actual construction process, but the back-jacking support bodies are dismantled to forge the false appearance of the independently supported post-cast strips, and avoid the quality accident caused by the sinking of components on two sides of the post-cast strips.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to an adjustable steel pipe column supporting structure and a construction method.
Background
Along with the development of building level and the demand of people on building space, the building form of a high-rise building and a super high-rise building with a low-rise skirt house and an underground garage is more and more common, in order to avoid the settlement difference of adjacent high-rise buildings and low-rise buildings caused by different loads, a settlement post-pouring belt is usually arranged on the low-rise buildings and the underground garage around the high-rise buildings, the settlement post-pouring belt is generally kept about 45 days after the main structure of the high-rise building is sealed, pouring is carried out after the settlement is stable, during the period, the structural steel bars at the settlement post-pouring belt are connected, the concrete is not connected, and the structures at two sides of the settlement post-pouring belt are in a state similar to a cantilever structure and are different from the stress state of an original designed simply-supported or continuous beam structure.
At present, for a settlement post-cast strip, a steel pipe fastener type scaffold is mostly adopted for carrying out back jacking before concrete of the post-cast strip is not poured, and a template at the post-cast strip is manufactured by adopting a wooden template and a batten and forms a settlement post-cast strip template system with the steel pipe fastener type scaffold. The support time of the formwork and the support of the post-cast strip is determined according to the height of the building and the construction progress, and the support time of the formwork of the post-cast strip of the peripheral garage of a general 30-storey residential building is as long as 1 year. During the period, the engineering of electromechanical installation, decoration and fitment and the like at the position of the post-cast strip support frame cannot be carried out.
Therefore, when the formwork support at the post-cast strip is settled, a high-efficiency, reliable and convenient formwork support system is sought to replace the traditional steel pipe fastener support system, and the important way that the retention time of the formwork support at the post-cast strip is too long, the subsequent process construction is influenced and the overall construction progress is influenced is solved.
Disclosure of Invention
The invention provides an adjustable steel pipe column supporting structure and a construction method, which are used for effectively solving the problem of independent support of overhanging parts such as a post-cast strip, a construction joint and the like, preventing the false appearance that a traditional formwork support body is not independently erected but a post-roof support body is dismantled to forge the independently supported post-cast strip in the prior actual construction, and avoiding the occurrence of quality accidents caused by sinking of components at two sides of the post-cast strip.
In order to achieve the technical purpose, the invention adopts the following technical scheme:
in a first aspect of the present invention, an adjustable steel pipe column support structure is provided, including:
the steel pipe column has preset dimensions so as to provide bearing capacity with preset size;
the first steel plate is fixed to the top of the steel pipe column, and the center line of the first steel plate is overlapped with the central axis of the steel pipe column so as to be used for supporting a template to be supported;
the second steel plate is fixed at the bottom of the steel pipe column, and the center line of the second steel plate is superposed with the central axis of the steel pipe column;
and the adjusting part is arranged on the second steel plate and can reciprocate along the vertical direction to drive the steel pipe column to vertically ascend or descend so as to adjust the supporting height.
Further, the adjusting portion includes:
the sleeve is fixed at the bottom of the second steel plate and is provided with a threaded hole; a through hole is formed in the position, corresponding to the sleeve, of the second steel plate, so that the through hole is aligned with the threaded hole of the sleeve;
the jacking support penetrates through the sleeve and is in threaded connection with the sleeve so as to drive the sleeve to vertically ascend or vertically descend by screwing the spiral clamp on the jacking support;
and the cushion block is arranged below the jacking to support the jacking.
Further, the second steel plate is a rectangular steel plate, the through holes are formed in four corners of the rectangular steel plate, and one adjusting portion is arranged below each through hole.
Further, the cushion block is made of wood.
Further, the first steel sheet with the second steel sheet is square plate, just the second steel sheet size is greater than the size of first steel sheet.
In a second aspect of the technical solution of the present invention, a construction method of an adjustable steel pipe column support structure is provided, which includes the following steps:
prefabricating a steel pipe column, a first steel plate, a second steel plate, a jacking and a sleeve with set dimensions according to construction requirements;
welding the first steel plate on the top of the steel pipe column;
machining a through hole with a preset diameter on the second steel plate so as to weld a sleeve below the through hole and align a threaded hole of the sleeve with the through hole;
supporting and positioning are carried out according to the layout of a construction site;
placing the sleeve based on the supporting and positioning result, installing the jacking in the sleeve, and filling a cushion block in the jacking;
cutting a top template at the overhanging position to form a cutting hole for hoisting the steel pipe column;
hoisting the steel pipe column from the cut hole to the second steel plate through a tower crane, and welding the bottom of the steel pipe column with the second steel plate;
and covering the cut top plate template back to the cutting hole, sealing the cut top plate template by using an adhesive tape, and adjusting the screw clamp supported by the bottom of the cut top plate template until the cut top plate template is restored to be horizontal.
Furthermore, the supporting and positioning positions are located right below the upper beam of the floor, and the supporting and positioning positions of the upper floor and the lower floor are the same.
Further, the steel pipe column supporting structure is connected with the peripheral formwork support frame through frame pipes, so that the stability of the steel pipe column supporting structure is maintained during concrete pouring, and the steel pipe column supporting structure is reserved after the concrete reaches a form removal condition.
Further, the first steel plate and the second steel plate are both formed by cutting flat waste steel plates.
Further, the size of the steel tube column is not less than DN150 x 3 mm.
Compared with the prior art, the invention has the following beneficial effects:
the adjustable steel pipe column supporting structure and the construction method provided by the embodiment of the invention have the advantages of simple operation, advanced process, safety and reliability, and can improve the working efficiency; the quality accidents caused by the sinking of the components on the two sides of the post-cast strip, the construction joint and the like are avoided. Moreover, the supporting structure is convenient for shaving and cleaning concrete surfaces on two sides of the post-cast strip, the construction joint and the like, and the condition that a large amount of garbage exists in the bottom die does not exist when the part is finally closed, so that the condition that the traditional independent formwork support body is dismounted and then jacked back due to shaving and cleaning of the post-cast strip and the construction joint is avoided. In addition, the traditional formwork system materials are not overstocked, the using amount and the using period of the surrounding materials are greatly saved, the smooth traffic in the building is ensured, the construction civilization is improved, the construction image is improved, and the popularization and the application in the construction are convenient.
Drawings
Fig. 1 is a schematic structural diagram of an adjustable steel pipe column support structure according to a first embodiment of the present invention;
FIG. 2 is an enlarged view of a portion A of FIG. 1;
FIG. 3 is an enlarged view of a portion B of FIG. 1;
FIG. 4 is a schematic structural view of a second steel plate according to the first embodiment of the present invention;
fig. 5 is a flowchart of a construction method of an adjustable steel pipe column support structure according to a second embodiment of the present invention.
In the drawings, each reference numeral denotes:
100. a support structure; 1. steel pipe columns; 2. a first steel plate; 3. a second steel plate; 31. a through hole; 4. an adjustment section; 41. a sleeve; 42. jacking; 43. cushion blocks; 421. a spiral card; 422. a threaded rod.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
< first embodiment >
As shown in fig. 1 and 2, an adjustable steel pipe column support structure 100 according to a first embodiment of the present invention includes a steel pipe column 1, a first steel plate 2, a second steel plate 3, and an adjusting portion 4.
The steel pipe column 1 has a preset size so as to provide a bearing capacity with a preset size; the first steel plate 2 is fixed to the top of the steel pipe column 1, and the central line of the first steel plate 2 is overlapped with the central axis of the steel pipe column 1 and used for supporting a template to be supported; the second steel plate 3 is fixed at the bottom of the steel pipe column 1, and the central line of the second steel plate 3 is superposed with the central axis of the steel pipe column 1; the adjusting part 4 is arranged on the second steel plate 3 and can reciprocate along the vertical direction to drive the steel pipe column 1 to vertically ascend or descend so as to adjust the supporting height.
In the embodiment, the steel pipe column 1 serves as a main supporting structure, bearing capacity with a preset size is provided, and the contact area between the top of the steel pipe column 1 and a template to be supported is increased through the first steel plate 2, so that the supporting effect is ensured; in addition, the second steel plate 3 is matched with the adjusting part 4 to adjust the position of the steel pipe column 1 in the vertical direction so as to adjust the supporting height of the steel pipe column 1, so that the steel pipe column is suitable for floors with different heights, and the applicability of the supporting structure is ensured.
In the above embodiment, the steel pipe column 1 is a large diameter steel pipe, the size of the large diameter steel pipe is at least DN150 × 3.0 mm, and the length is determined according to the floor height. The steel pipe column 1 is strictly prohibited from being perforated, cracked and deformed, so that bearing capacity with a preset size can be provided, and stable support is guaranteed.
In the above described embodiment, the first steel plate 2 is a square steel plate with a dimension of 200 × 10 mm. During concrete welding, the first steel plate 2 is placed at the top of the steel pipe column 1, the center of the first steel plate 2 is coincided with the central axis of the steel pipe column 1, the first steel plate 2 is fixedly welded along the outer edge of the top of the steel pipe column 1, a welding seam is full and is smooth, and welding slag is polished smoothly.
In the above embodiment, the second steel plate 3 is a square steel plate having a size of 350 × 20 mm. During specific welding, the second steel plate 3 is placed at the bottom of the steel pipe column 1, the center of the second steel plate 3 is overlapped with the central axis of the steel pipe column 1, the second steel plate 2 is welded and fixed along the outer edge of the bottom of the steel pipe column 1, the welding seam is full and seamless, and welding slag is polished smoothly. In this embodiment, 4 circular holes having a diameter of 40mm are cut in the vicinity of 60mm of the four corners of the second steel plate 2 so as to be connected and fixed to the adjustment part 4 (described in detail below). It can be understood that in this embodiment, the size of the second steel plate 3 is larger than that of the first steel plate 2, so as to form a structure with a large bottom and a small top, so as to support the formwork, but the size of the second steel plate 3 is not limited to the specific size of the first steel plate 2, and in other embodiments, the size of the two steel plates can be adjusted according to the requirement.
In addition, the first steel plate 2 and the second steel plate 3 in the above embodiments are each cut from a flat scrap steel plate, thereby enabling waste utilization to save production costs.
As shown in fig. 3, in the above embodiment, the adjusting portion 4 includes the sleeve 41, the jacking 42, and the spacer 43. Wherein the sleeve 41 is fixed to the bottom of the second steel plate 3 and has a threaded hole. The second steel plate 3 is provided with a through hole 31 at a position corresponding to the sleeve 41, so that the through hole 31 is aligned with the threaded hole of the sleeve 41. The top holder 42 is inserted into the sleeve 41 and is in threaded connection with the sleeve 41, so that the sleeve 41 is driven to vertically ascend or descend by screwing the screw clamp 421 on the top holder 42. The cushion block 43 is disposed below the top bracket 42 to support the top bracket 42. Specifically, as shown in fig. 4, in the present embodiment, four through holes 31 are formed in the second steel plate 3, and correspondingly, one adjusting portion 4 is installed below each through hole 31, and the installation of one adjusting portion 4 is taken as an example for description. Before the second steel plate 3 is welded on the steel pipe column 1, the sleeve 41 is welded below the through hole 31 in advance, so that the through hole 31 corresponds to the threaded hole of the sleeve 41, then the threaded rod 422 of the top support 42 is in threaded connection with the sleeve 41, and the sleeve 41 can be driven to vertically ascend or descend by rotating the spiral clamp 421 on the top support 42. Therefore, after the second steel plate 3 and the steel pipe column 1 are welded and fixed, the sleeve 41 can be rotated to drive the steel pipe column 1 to move vertically by rotating the spiral clamp 421, so that the height of the steel pipe column 1 can be adjusted. Therefore, the first steel plate 3 can be ensured to be in a horizontal state by utilizing the four adjusting parts 4 at the four corners of the second steel plate 4 while the height of the steel pipe column 1 is adjusted, so that stable support is realized.
In the above embodiment, the spacer 43 is made of wood, but other structural members may be substituted in other embodiments. Utilize the flitch can play stable supporting role to top support 42, avoid the condition that top support 42 the skew appears.
< second embodiment >
As shown in fig. 5, the construction method for an adjustable steel pipe column supporting structure provided in the second embodiment of the present invention specifically includes steps S1-S9:
s1: the steel pipe column 1, the first steel plate 2, the second steel plate 3, the jacking 42 and the sleeve 41 with set dimensions are prefabricated according to construction requirements.
Specifically, in this embodiment, the steel pipe column 1 is a finished large-diameter steel pipe that meets load bearing requirements according to construction specifications, design drawings and structural requirements. The size of the large-diameter steel pipe is DN150 x 3.0 mm, the length is determined according to the layer height, and the steel pipe column 1 is strictly prohibited from being punched, cracked and deformed. The national standard jacking and 4 of 48 x 3.0 mm steel frame pipe sleeves are purchased respectively.
The first steel plate 2 is a steel plate with the thickness of 200 x 200 mm and the thickness of 10mm, the second steel plate is a steel plate with the thickness of 350 x 350 mm and the thickness of 20mm, and the first steel plate 2 and the second steel plate 3 can be cut from scrap steel plates with good flatness.
S2: and welding the first steel plate 2 on the top of the steel pipe column 1.
Specifically, a first steel plate 2 of 200 × 10mm is placed on the top of the steel pipe column 1 such that the center of the first steel plate 2 coincides with the central axis of the steel pipe column 1. And then, welding and fixing the first steel plate 2 along the outer edge of the top of the steel pipe column 1, enabling a welding seam to be full and seamless, and polishing welding slag to be smooth.
S3: a through hole 31 of a predetermined diameter is machined in the second steel plate 3 to weld the sleeve 41 below the through hole 31 and align the screw hole of the sleeve 41 with the through hole 31.
Specifically, 4 circular holes with a diameter of 40mm are cut at 6 cm positions of four corner edges of the second steel plate 3 with a length of 350 × 20mm, and then the prepared finished sleeve 41 with a length of 100 mm and a length of 48 × 3.0 mm is welded below the circular holes of the second steel plate 3 in sequence, so that the threaded holes of the sleeve 41 are aligned with the through holes 31.
S4: and carrying out supporting and positioning according to the layout of the construction site.
Specifically, before the formwork support is erected, the position of the support is marked by ink lines according to the control axis. The independent supports are preferably located right below the beams, and the independent supports of the upper floor and the lower floor need to be located at the same position.
S5: the sleeve 41 is placed based on the result of the support positioning, and the top bracket 42 is installed in the sleeve 41, and the cushion block 43 is padded in the top bracket 42.
Specifically, according to the position of the ink line mark, the bottom steel plate support (i.e. the second steel plate 2) is placed according to the design scheme, the top support 42 is placed into the sleeve 41, and the cushion block 43 (i.e. the batten) is padded.
S6: and cutting the top template at the overhanging part to form a cutting hole for hoisting the steel pipe column.
Specifically, after the top formwork is supported, 250 × 250 mm square cut holes need to be formed in the upper formwork of the first steel plate 2, wherein the size of the cut holes is larger than that of the first steel plate 2, so that the steel pipe column 1 can be hoisted. In addition, the cutting process must be completed before the slab reinforcement is laid, and the cut upper form must be retained for recovery after installation.
S7: and hoisting the steel pipe column to the second steel plate from the hole cutting position through a tower crane, and welding the bottom of the steel pipe column with the second steel plate.
Specifically, the large-diameter steel pipe column 1 is hoisted to the second steel plate 3 from the hole cutting position of the upper template by adopting a tower crane and is welded with the second steel plate 3. After the steel pipe column 1 and the second steel plate 3 are welded, frame pipes are required to be connected with the peripheral formwork support frames to ensure that the independent support is stable when the concrete is poured, and the independent support is reserved after the concrete reaches a form removal condition.
S8: and covering the cut top plate template with the back cutting hole, sealing the back cutting hole by using an adhesive tape, and adjusting the spiral clamp supported at the bottom until the cut top plate template is restored to be horizontal.
Therefore, the construction process of the whole adjustable steel pipe column supporting structure is completed, and the whole construction process is simple and reliable to operate, labor-saving, time-saving, economical, applicable and environment-friendly. Compared with the traditional constructional column and formwork support, the process is remarkably improved in the aspects of civilized construction, open source throttling and the like.
In conclusion, the adjustable steel pipe column supporting structure and the construction method provided by the embodiment of the invention have the advantages of simple operation, advanced process, safety and reliability, and can improve the working efficiency; the quality accident caused by the sinking of the components at the two sides of the post-cast strip, the construction joint and the like is avoided. Moreover, the supporting structure is convenient for shaving and cleaning concrete surfaces on two sides of the post-cast strip, the construction joint and the like, and the condition that a large amount of garbage exists in the bottom die does not exist when the part is finally closed, so that the condition that the traditional independent formwork support body is dismounted and then jacked back due to shaving and cleaning of the post-cast strip and the construction joint is avoided. In addition, the traditional formwork system material is not overstocked, the using amount and the using period of the surrounding material are greatly saved, the smooth traffic in the building is ensured, the construction civilization is improved, the construction image is improved, and the popularization and the application in the construction are convenient.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Moreover, various embodiments or examples and features of various embodiments or examples described in this specification can be combined and combined by one skilled in the art without being mutually inconsistent.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (10)
1. The utility model provides a steel-pipe column bearing structure with adjustable which characterized in that includes:
the steel pipe column has a preset size so as to provide bearing capacity with a preset size;
the first steel plate is fixed to the top of the steel pipe column, and the central line of the first steel plate is overlapped with the central axis of the steel pipe column so as to be used for supporting the template to be supported;
the second steel plate is fixed at the bottom of the steel pipe column, and the center line of the second steel plate is superposed with the central axis of the steel pipe column;
and the adjusting part is arranged on the second steel plate and can reciprocate along the vertical direction to drive the steel pipe column to vertically ascend or descend so as to adjust the supporting height.
2. The adjustable steel pipe column support structure according to claim 1, wherein the adjusting part comprises:
the sleeve is fixed at the bottom of the second steel plate and is provided with a threaded hole; a through hole is formed in the position, corresponding to the sleeve, of the second steel plate, so that the through hole is aligned with the threaded hole of the sleeve;
the jacking support penetrates through the sleeve and is in threaded connection with the sleeve so as to drive the sleeve to vertically ascend or vertically descend by screwing the spiral clamp on the jacking support;
and the cushion block is arranged below the jacking to support the jacking.
3. The adjustable steel pipe column support structure according to claim 2, wherein the second steel plate is a rectangular steel plate, the through holes are formed at four corners of the rectangular steel plate, and one adjusting portion is arranged below each through hole.
4. The adjustable steel pipe column support structure according to claim 2,
the cushion blocks are battens.
5. The adjustable steel pipe column support structure of claim 1,
the first steel sheet with the second steel sheet is square plate, just the second steel sheet size is greater than the first steel sheet size.
6. A construction method of an adjustable steel pipe column supporting structure is characterized by comprising the following steps:
prefabricating a steel pipe column, a first steel plate, a second steel plate, a jacking bracket and a sleeve with set dimensions according to construction requirements;
welding the first steel plate on the top of the steel pipe column;
processing a through hole with a preset diameter on the second steel plate so as to weld a sleeve below the through hole and align a threaded hole of the sleeve with the through hole;
supporting and positioning are carried out according to the layout of a construction site;
placing the sleeve based on the supporting and positioning result, installing the jacking in the sleeve, and filling a cushion block in the jacking;
cutting a top template at the overhanging position to form a cutting hole for hoisting the steel pipe column;
hoisting the steel pipe column from the cut hole to the second steel plate through a tower crane, and welding the bottom of the steel pipe column with the second steel plate;
and covering the cut top plate template back to the cutting hole, sealing the cut top plate template by using an adhesive tape, and adjusting the screw clamp supported at the bottom until the cut top plate template is restored to be horizontal.
7. The construction method according to claim 6,
the supporting and positioning positions are located right below the upper beam of the floor, and the supporting and positioning positions of the upper floor and the lower floor are the same.
8. The construction method according to claim 6, further comprising:
and connecting the steel pipe column supporting structure with a peripheral formwork support by using a frame pipe so as to maintain the stability of the steel pipe column supporting structure during concrete pouring, and reserving the steel pipe column supporting structure after the concrete reaches a form removal condition.
9. The construction method according to claim 6, wherein the first steel plate and the second steel plate are each cut from a flat scrap steel plate.
10. The construction method according to claim 6, wherein the steel pipe column has a size of not less than DN150 x 3 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202210591467.2A CN114922467A (en) | 2022-05-27 | 2022-05-27 | Adjustable steel pipe column supporting structure and construction method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210591467.2A CN114922467A (en) | 2022-05-27 | 2022-05-27 | Adjustable steel pipe column supporting structure and construction method |
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| CN215631604U (en) * | 2021-09-14 | 2022-01-25 | 河北建设集团股份有限公司 | Independent support system for post-cast strip |
| CN215717187U (en) * | 2021-05-25 | 2022-02-01 | 中国建筑第五工程局有限公司 | Adjustable independent steel pipe in post-cast strip supports construction tool |
| CN215926746U (en) * | 2021-09-30 | 2022-03-01 | 杨毅 | Independent steel pipe lattice column for supporting post-cast strip |
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| CN215717187U (en) * | 2021-05-25 | 2022-02-01 | 中国建筑第五工程局有限公司 | Adjustable independent steel pipe in post-cast strip supports construction tool |
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