CN111926998A - Super high-rise structure outer frame steel pipe column construction method - Google Patents
Super high-rise structure outer frame steel pipe column construction method Download PDFInfo
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- CN111926998A CN111926998A CN202010998175.1A CN202010998175A CN111926998A CN 111926998 A CN111926998 A CN 111926998A CN 202010998175 A CN202010998175 A CN 202010998175A CN 111926998 A CN111926998 A CN 111926998A
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/30—Columns; Pillars; Struts
- E04C3/34—Columns; Pillars; Struts of concrete other stone-like material, with or without permanent form elements, with or without internal or external reinforcement, e.g. metal coverings
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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
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
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Abstract
The invention provides a construction method of an outer frame steel pipe column of a super high-rise structure, which is characterized in that a material distributor is arranged; installing a hydraulic self-climbing type construction platform with the steel pipe column on each installed steel pipe column segment, wherein the installed steel pipe column segments are wound on the outer side of the core barrel at intervals; operating the material distributing machine, and finishing pouring of all the installed steel pipe column sections; hoisting each later steel pipe column segment, and welding and fixing the later steel pipe column segment above the corresponding installed steel pipe column segment; the distributing machine climbs to the next construction section; the hydraulic self-climbing type steel pipe column construction platform automatically climbs a steel pipe column section; and (4) until the construction of all the steel pipe column sections in the steel pipe column is completed. The invention has good economy, less material consumption, no need of auxiliary support and other materials, less labor consumption, high safety and time and labor saving; after a steel pipe column segment is poured by the distributing machine, the next steel pipe column segment is poured by directly rotating the large arm, the pump pipe does not need to be installed and disassembled, and the efficiency is high.
Description
Technical Field
The invention relates to the field of building construction, in particular to a construction method of a concrete climbing distributing machine with an ultrahigh structure outer frame steel structure.
Background
In a super high-rise building, one structural form is a combined structure of a reinforced concrete core tube and a steel tube concrete outer frame column, concrete is poured in the steel tube concrete to form a mixed structure of a steel tube and the concrete, the steel tube concrete column is connected with the concrete core tube through a steel beam, and a profiled steel sheet is constructed on the steel beam to recheck a floor slab.
In the construction, the reinforced concrete core barrel is firstly constructed, then the steel pipe concrete column is constructed, then the steel beam is used for connecting the concrete column and the reinforced concrete core barrel, and finally the profiled steel plate is laid on the steel beam and the floor concrete is poured. The construction of the steel pipe column is divided into two steps, the first step is to install the steel pipe column, and the second step is to pour concrete into the steel pipe column, so as to form a mixed structure. After the steel pipe concrete column is installed, concrete is poured into the steel pipe concrete column as soon as possible to achieve the design strength, when the concrete of the steel pipe concrete column is poured, a surrounding floor is not formed, the steel pipe column is in a suspended state without the floor around, the steel pipe column needs to be connected with an operation platform, and concrete conveying and concrete pouring are difficult.
Currently available methods include:
(1) the method is directly from pipe arrangement in the core tube to the steel pipe column, but the method needs to set up a temporary steel beam, has high setting difficulty and serious material consumption, and has a plurality of potential safety hazards in the setting and using processes.
(2) The tower crane is used for hoisting concrete, the tower crane works very busy in the super high-rise construction process, and hoisting the concrete by the tower crane inevitably causes other hoisting items to delay the construction period.
Therefore, it is necessary to design a construction method capable of efficiently and safely constructing the outer frame steel pipe column of the super high-rise structure.
Disclosure of Invention
The invention aims to provide a construction method of an outer frame steel pipe column of a super high-rise structure, which can be used for efficiently and safely constructing the outer frame steel pipe column of the super high-rise structure.
In order to solve the technical problems, the invention provides the following technical scheme:
a construction method of an outer frame steel pipe column of a super high-rise structure comprises the following steps:
step 1, arranging a distributing machine on a core barrel or on a core barrel construction formwork assembly platform system or on an outer frame beam outside the core barrel, wherein the distributing machine is connected with a concrete pump pipe positioned in the core barrel;
step 2, mounting a hydraulic self-climbing steel pipe column-attached construction platform on each mounted steel pipe column segment, enabling the hydraulic self-climbing steel pipe column-attached construction platform to be located at the top opening position of the mounted steel pipe column segment, and enabling the mounted steel pipe column segment to be wound on the outer side of the core barrel at intervals;
step 4, pouring concrete of adjacent installed steel pipe column sections by the large arm of the rotary distributor until all the installed steel pipe column sections are poured;
step 6, the distributing machine is disconnected from the concrete pump pipe, climbs to the next construction section, and is reconnected with the concrete pump pipe;
step 7, the hydraulic self-climbing steel pipe column-attached construction platform automatically climbs a steel pipe column section to enable the hydraulic self-climbing steel pipe column-attached construction platform to be located at the top opening of the next steel pipe column section;
and 8, repeating the steps 3 to 7 until the construction of all the steel pipe column sections in the steel pipe column is completed.
Preferably, in the construction method of the steel pipe column with the external frame of the super high-rise structure, the material distributor is a climbing material distributor, and the climbing material distributor can be attached to the outer wall of the core tube and can automatically climb along the core tube.
Preferably, in the construction method of the steel pipe column with the outer frame of the super high-rise structure, the material distributor and the core tube construction formwork assembly platform system are integrated, the material distributor ascends integrally along with the core tube construction formwork assembly platform system, and an independent power system is not needed.
Preferably, in the construction method of the outer frame steel pipe column of the super high-rise structure, two wall attaching brackets are arranged on the steel pipe column segment near the top, and the two wall attaching brackets are arranged oppositely.
Preferably, in the construction method of the steel pipe column of the external frame of the super high-rise structure, the hydraulic self-climbing construction platform with the steel pipe column includes an upper platform, a lower platform and two climbing systems, the lower platform is fixedly connected below the upper platform, the upper platform includes two transverse steel beams and a first annular platform, the first annular platform is provided with through holes for all sections of the steel pipe column to pass through, the two transverse steel beams are oppositely arranged below the first annular platform, the lower platform includes a second annular platform, the middle of the second annular platform is provided with through holes for the sections of the steel pipe column to pass through, the outer ring of the second annular platform is connected with the upper platform through a connecting rod, and the two climbing systems can drive the upper platform to climb along the steel pipe column.
Preferably, in the construction method of the steel pipe column with the outer frame of the super high-rise structure, the climbing system comprises a guide rail, a bearing hook, a vertical support rod, an inclined telescopic rod, a hydraulic cylinder, an upper climbing boot and a lower climbing boot, wherein the bearing hook can be hung on a bracket attached to a wall through the hook, the guide rail can be fixed on the bracket attached to the wall, the inner side part of a transverse steel beam is hinged with the bearing hook, the outer side part of the transverse steel beam is hinged with the upper end of the inclined telescopic rod, the upper end and the lower end of the hydraulic cylinder are respectively connected with the upper climbing boot and the lower climbing boot, the upper climbing boot is connected with the bearing hook, the upper end of the vertical support rod is connected with the bearing hook, the lower end of the inclined telescopic rod is hinged with the lower part of the vertical support rod, and the upper platform and the guide rail are lifted, the climbing of the hydraulic self-climbing type steel pipe column-attached construction platform on the steel pipe column is realized.
Preferably, in the method for constructing an outer frame steel pipe column of a very high-rise structure, the step 7 includes:
step 71, respectively adjusting reversing switches on an upper climbing boot and a lower climbing boot to enable the upper climbing boot and the lower climbing boot to only climb downwards along a guide rail, wherein at the moment, a bearing hook is fixed on a bracket attached to a wall;
step 72, repeatedly extending and retracting the hydraulic oil cylinder until the guide rail reaches the position of the wall-attached bracket of the next steel pipe column section; when the hydraulic oil cylinder extends the cylinder, the hydraulic oil cylinder provides an upward force for the upper climbing boot and provides a downward force for the lower climbing boot, the upper climbing boot is clamped with the guide rail, the bearing hook fixed on the wall-attached bracket prevents the upper climbing boot from moving upwards, and the lower climbing boot moves downwards relative to the guide rail; when the hydraulic oil cylinder retracts, the hydraulic oil cylinder gives a downward force to the upper climbing boot and an upward force to the lower climbing boot, the bearing hook fixed on the wall-attached bracket prevents the upper climbing boot from moving downwards, and when the lower climbing boot moves upwards, the bearing hook and the guide rail are clamped together to drive the guide rail to move upwards;
step 73, mounting the top of the guide rail on the wall-attached bracket of the next steel pipe column segment;
step 74, separating the bearing hook from the wall-attached bracket;
step 75, respectively adjusting reversing switches on the upper climbing boot and the lower climbing boot, so that the upper climbing boot and the lower climbing boot can only climb upwards along the guide rail;
76, repeatedly extending and retracting the hydraulic oil cylinder until the bearing hook reaches the position of the wall-attached bracket of the next steel pipe column segment, wherein when the hydraulic oil cylinder retracts, the hydraulic oil cylinder applies an upward force to the upper climbing boot and applies a downward force to the lower climbing boot, the lower climbing boot is clamped with the guide rail, and the upper climbing boot can climb along the guide rail; when the hydraulic oil cylinder retracts, the upper climbing boot can be clamped with the guide rail, and the lower climbing boot can climb along the guide rail;
and 77, hanging the bearing hook on the wall attaching bracket of the next steel pipe column section through the self hook, so that the hydraulic self-climbing type steel pipe column attaching construction platform is positioned at the top opening position of the next steel pipe column section.
Preferably, in the construction method of the outer frame steel pipe column of the super high-rise structure, the lower ends of the vertical support rods are supported on the outer wall of the steel pipe column section through support legs.
Preferably, in the method for constructing an outer frame steel pipe column of a very high-rise structure, the wall-attached corbel is integrally processed during the steel pipe column segment processing.
Preferably, in the construction method of the steel pipe column with the outer frame of the super high-rise structure, the material distributor comprises a vertical frame body, a cantilever arranged on the vertical frame body and a pumping pipeline arranged on the cantilever, the vertical frame body is supported on three outer frame beams outside the core barrel through three support frames, the support frames are provided with vertical through holes for the vertical frame body to pass through and transverse through holes for the outer frame beams to pass through, the support frames can be fixed at the intersection of the vertical frame body and the outer frame beams through locking mechanisms, the support frames comprise two half-frame structures, the two half-frame structures are connected through bolts, when the material distributor needs to climb, the locking mechanisms on the support frame at the lowest part are loosened, then the support frame at the lowest part is decomposed and moved to the upper part to be used as the support frame at the highest part, and then the locking mechanisms on the other two support frames are loosened, and lifting the vertical frame body to a specified position, and finally, respectively locking each supporting frame at the intersection of the vertical frame body and the corresponding outer frame cross beam through a locking mechanism.
According to the technical scheme disclosed above, compared with the prior art, the invention has the following beneficial effects:
the invention provides a construction method of an outer frame steel pipe column with a super high-rise structure, which is characterized in that a material distributing machine is arranged on a core barrel or a core barrel construction formwork assembly platform system or an outer frame beam on the outer side of the core barrel, and the material distributing machine is connected with a concrete pump pipe positioned in the core barrel; installing a hydraulic self-climbing steel pipe column-attached construction platform on each installed steel pipe column segment, and enabling the hydraulic self-climbing steel pipe column-attached construction platform to be located at the top opening of the installed steel pipe column segment, wherein the installed steel pipe column segment is wound on the outer side of the core barrel at intervals; operating a distributing machine to pour the concrete of one of the installed steel pipe column sections; pouring concrete of adjacent installed steel pipe column sections by the aid of the large arm of the rotary distributing machine until all installed steel pipe column sections are poured; hoisting each later steel pipe column segment, positioning constructors on the corresponding hydraulic self-climbing type steel pipe column-attached construction platform, and welding and fixing the later steel pipe column segment above the corresponding installed steel pipe column segment; the distributing machine is disconnected from the concrete pump pipe, climbs to the next construction section, and is reconnected with the concrete pump pipe; the hydraulic self-climbing type steel pipe column attached construction platform automatically climbs one steel pipe column section to enable the hydraulic self-climbing type steel pipe column attached construction platform to be located at the top opening position of the next steel pipe column section; and repeating the steps until the construction of all the steel pipe column sections in the steel pipe column is completed. The hydraulic self-climbing type steel pipe column construction platform has the advantages of good economy, low material consumption, no need of auxiliary support and other materials, low labor consumption, and capability of avoiding repeated dismantling and erecting operation of the steel pipe column construction platform by adopting the hydraulic self-climbing type steel pipe column construction platform; the hydraulic self-climbing construction platform with the steel pipe column is high in climbing safety and time-saving and labor-saving; after a steel pipe column segment is poured by the distributing machine, the next steel pipe column segment is poured by directly rotating the large arm, the pump pipe does not need to be installed and disassembled, and the efficiency is high.
Drawings
Fig. 1 is a structural schematic diagram of the method for constructing the outer frame steel pipe column of the super high-rise structure in step 1.
Fig. 2 is a plan view of the steel pipe column.
Fig. 3 is a structural schematic diagram of the construction method of the outer frame steel pipe column of the super high-rise structure in step 3.
Fig. 4 is a schematic structural diagram of a hydraulic self-climbing construction platform with a steel pipe column.
In the figure: 1-core cylinder, 2-outer frame beam, 3-distributing machine, 31-vertical frame body, 32-cantilever, 33-supporting frame, 4-steel pipe column, 41-steel pipe column segment, 411-wall-attached bracket, 5-hydraulic self-climbing type steel pipe column-attached construction platform, 51-upper platform, 511-transverse steel beam, 52-lower platform, 53-climbing system, 531-guide rail, 532-bearing hook, 533-vertical supporting rod, 534-oblique telescopic rod, 535-hydraulic oil cylinder, 536-upper climbing boot, 537-lower climbing boot, 54-connecting rod and 55-supporting leg.
Detailed Description
The invention is described in further detail below with reference to the figures and specific examples. The technical contents and features of the present invention will be described in detail below with reference to the embodiments illustrated in the accompanying drawings. It is further noted that the drawings are in greatly simplified form and are not to precise scale, merely for the purpose of facilitating and distinctly claiming the embodiments of the present invention. For convenience of description, the directions of "up" and "down" described below are the same as the directions of "up" and "down" in the drawings, but this is not a limitation of the technical solution of the present invention.
Referring to fig. 1 to 4, the embodiment discloses a method for constructing an outer frame steel pipe column of a super high-rise structure, which includes the following steps:
step 1, referring to fig. 1, a material distributor 3 is arranged on a core barrel 1 or a core barrel construction formwork assembly platform system or an outer frame beam 2 outside the core barrel 1, and the material distributor 3 is connected with a concrete pump pipe (not shown) located in the core barrel 1.
Step 2, referring to fig. 1 and 2, installing a hydraulic self-climbing steel pipe column-attached construction platform 5 on each installed steel pipe column segment 411, enabling the hydraulic self-climbing steel pipe column-attached construction platform 5 to be located at the top opening position of the installed steel pipe column segment 411, and enabling the installed steel pipe column segment 411 to be wound on the outer side of the core barrel 1 at intervals.
And 3, operating the distributing machine 3 to pour the concrete of one of the installed steel pipe column sections 411.
And 4, pouring concrete of the adjacent installed steel pipe column segments 411 by the large arm of the rotary distributor 3 until all the installed steel pipe column segments 411 are poured.
And 5, please refer to fig. 3, hoisting each subsequent steel pipe column segment 411, positioning the constructor on the corresponding hydraulic self-climbing type steel pipe column-attached construction platform 5, and welding and fixing the subsequent steel pipe column segment 411 above the corresponding installed steel pipe column segment 411.
And 6, disconnecting the distributing machine 3 from the concrete pump pipe, climbing to the next construction section, and reconnecting the distributing machine with the concrete pump pipe. In step 6, the material distributor 3 automatically climbs along the outer wall of the core barrel 1 or climbs upwards to the next construction section by using the transverse steel beam 511, or the material distributor 3 integrally climbs to the next construction section along with the core barrel construction formwork assembly platform system.
Step 7, the hydraulic self-climbing steel pipe column-attached construction platform 5 automatically climbs one steel pipe column section 411, so that the hydraulic self-climbing steel pipe column-attached construction platform 5 is located at the top opening position of the next steel pipe column section 411;
and 8, repeating the steps 3 to 7 until the construction of all the steel pipe column sections 411 in the steel pipe column 4 is completed.
The invention provides a construction method of an outer frame steel pipe column of a super high-rise structure, which is characterized in that a material distributing machine 3 is arranged on a core barrel 1 or on an outer frame cross beam 2 outside a core barrel construction formwork assembly platform system or the core barrel 1, and the material distributing machine 3 is connected with a concrete pump pipe positioned in the core barrel 1; installing a hydraulic self-climbing type steel pipe column-attached construction platform 5 on each installed steel pipe column segment 411, enabling the hydraulic self-climbing type steel pipe column-attached construction platform 5 to be located at the top opening position of the installed steel pipe column segment 411, and enabling the installed steel pipe column segments 411 to be wound on the outer side of the core barrel 1 at intervals; operating the distributing machine 3 to pour the concrete of one of the installed steel pipe column segments 411; pouring concrete of the adjacent installed steel pipe column segments 411 by the large arm of the rotary distributor 3 until all the installed steel pipe column segments 411 are poured; hoisting each later steel pipe column segment 411, positioning constructors on the corresponding hydraulic self-climbing type steel pipe column-attached construction platform 5, and welding and fixing the later steel pipe column segment 411 above the corresponding installed steel pipe column segment 411; the distributing machine 3 is disconnected from the concrete pump pipe, climbs to the next construction section and is reconnected with the concrete pump pipe; the hydraulic self-climbing type steel pipe column-attached construction platform 5 automatically climbs one steel pipe column section 411, so that the hydraulic self-climbing type steel pipe column-attached construction platform 5 is positioned at the top opening position of the next steel pipe column section 411; and repeating the steps until the construction of all the steel pipe column sections in the steel pipe column is completed. The invention has good economy, less material consumption, no need of auxiliary support and other materials, less labor consumption, and the adoption of the hydraulic self-climbing construction platform 5 with the steel pipe column can avoid repeated dismantling and overlapping operation of the construction platform for steel pipe column connection construction; the hydraulic self-climbing construction platform 5 with the steel pipe column is high in climbing safety and time-saving and labor-saving; after the distributing machine 3 pours one steel pipe column segment 411, the big arm is directly rotated to pour the next steel pipe column segment 411, the pump pipe does not need to be installed and removed, and the efficiency is high.
Preferably, in the construction method of the steel pipe column with the external frame of the super high-rise structure, the material distributor 3 is a climbing material distributor 3, and the climbing material distributor 3 can be attached to the outer wall of the core barrel 1 and can automatically climb along the core barrel 1. Of course, the material distributor 3 can also be integrated with the core tube construction formwork assembly platform system, and the material distributor 3 climbs integrally along with the core tube construction formwork assembly platform system without independently arranging a power system. In addition, the material distributor 3 can also be arranged on the outer frame beam 2 outside the core barrel 1 and climbs along the outer frame beam 2.
In this embodiment, please refer to fig. 4, the material distributor 3 is disposed on the outer frame beam 2 outside the core barrel 1, and climbs along the outer frame beam 2. The distributing machine 3 comprises a vertical frame body 31, a cantilever 32 arranged on the vertical frame body 31 and a pumping pipeline arranged on the cantilever 32, wherein the vertical frame body 31 is supported on three outer frame beams outside the core barrel 1 through three supporting frames 33, the supporting frames 33 are provided with vertical through holes for the vertical frame body 31 to pass through and transverse through holes for the outer frame beams 2 to pass through, the supporting frames 33 can be fixed at the intersection of the vertical frame body 31 and the outer frame beams through locking mechanisms (not shown), the supporting frames 33 comprise two half-frame structures, the locking mechanisms are not provided with bolt assemblies, the two half-frame structures are connected through bolts, when the distributing machine 3 needs to climb, the locking mechanism on the lowest supporting frame 33 is loosened, then the lowest supporting frame 33 is decomposed and transferred to the upper side as the uppermost supporting frame 33, and then the locking mechanisms on the other two supporting frames 33 are loosened, the vertical frame body 31 is lifted to a designated position, and finally, each support frame 33 is locked at the intersection of the vertical frame body 31 and the corresponding outer frame beam 2 through a locking mechanism.
Preferably, in the construction method of the outer frame steel pipe column of the super high-rise structure, two wall attaching brackets 411 are arranged on the steel pipe column segment 411 near the top, and the two wall attaching brackets 411 are arranged oppositely. In order to improve the construction efficiency and ensure the overall quality of the wall attaching corbel 411 and the steel pipe column section 411 and thus ensure the safety of the entire hydraulic self-climbing type steel pipe column construction platform 5, it is preferable that in the construction method of the super high-rise structure outer frame steel pipe column, the wall attaching corbel 411 is integrally processed when the steel pipe column section 411 is machined.
Preferably, in the construction method of the outer frame steel pipe column of the super high-rise structure, the hydraulic self-climbing construction platform 5 with the steel pipe column includes an upper platform 51, a lower platform 52 and two climbing systems 53, the lower platform 52 is fixedly connected below the upper platform 51, the upper platform 51 includes two transverse steel beams 511 and a first annular platform, the first annular platform is provided with through holes for all steel pipe column sections 411 to pass through, the two transverse steel beams 511 are oppositely arranged below the first annular platform, the lower platform 52 includes a second annular platform, the middle of the second annular platform is provided with through holes for the steel pipe column sections 411 to pass through, the outer ring of the second annular platform is connected with the upper platform 51 through a connecting rod 54, and the two climbing systems 53 can drive the upper platform 51 to climb along the steel pipe column. The upper platform 51 is mainly used for connecting and distributing the steel pipe column sections 411, and the lower platform 52 is used for climbing the whole hydraulic self-climbing steel pipe column-attached construction platform 5. Adopt hydraulic pressure from climbing formula to attach steel-pipe column construction platform 5, compare the artifical construction platform that successive layer installed additional on the steel-pipe column and be used for the steel-pipe column to extend, not only can practice thrift a large amount of man-hours, labour saving and time saving, reduced a large amount of high-speed worker work load of constructor moreover, improved the security of construction.
In order to ensure high climbing safety and stability of the hydraulic self-climbing steel pipe column-attached construction platform 5, preferably, in the construction method of the steel pipe column of the super high-rise structure outer frame, the climbing system 53 includes a guide rail 531, a bearing hook 532, a vertical support rod 533, an oblique telescopic rod 534, a hydraulic cylinder 535, an upper climbing shoe 536 and a lower climbing shoe 537, the bearing hook 532 can be hung on the wall-attached corbel 411 through its own hook, the guide rail 531 can be fixed on the wall-attached corbel 411, the inner side part of the transverse steel beam 511 is hinged to the bearing hook 532, the outer side part of the transverse steel beam 511 is hinged to the upper end of the oblique telescopic rod 534, the upper and lower ends of the hydraulic cylinder 535 are respectively connected to the upper climbing shoe 536 and the lower climbing shoe 537, the upper climbing shoe 536 is connected to the bearing hook 532, and the upper end of the vertical support rod 533 is connected, the lower end of the inclined telescopic rod 534 is hinged to the lower portion of the vertical support rod 533, the upper platform 51 and the guide rail 531 are lifted in an interactive mode through the upper climbing shoe 536 and the lower climbing shoe 537 under the action of the hydraulic oil cylinder 535, and climbing of the hydraulic self-climbing steel pipe column-attached construction platform 5 on the steel pipe column is achieved.
In order to achieve high climbing safety, stability and efficiency of the hydraulic self-climbing steel pipe column-attached construction platform 5, preferably, in the method for constructing an outer frame steel pipe column of a super high-rise structure, the step 7 includes:
step 71, respectively adjusting reversing switches on an upper climbing shoe 536 and a lower climbing shoe 537, so that the upper climbing shoe 536 and the lower climbing shoe 537 can only climb downwards along a guide rail 531, and at this time, a bearing hook 532 is fixed on the wall-attached corbel 411;
step 72, repeatedly extending and retracting the hydraulic oil cylinder 535 until the guide rail 531 reaches the wall-attached bracket 411 of the next steel pipe column segment 411; when the hydraulic oil cylinder 535 extends, the hydraulic oil cylinder 535 gives an upward force to the upper climbing shoe 536 and gives a downward force to the lower climbing shoe, the upper climbing shoe 536 is clamped with the guide rail 531, the bearing hook 532 fixed on the wall-attached bracket 411 prevents the upper climbing shoe 536 from moving upwards, and the lower climbing shoe 537 moves downwards relative to the guide rail 531; when the hydraulic oil cylinder 535 retracts, the hydraulic oil cylinder 535 gives a downward force to the upper climbing shoe 536 and gives an upward force to the lower climbing shoe 537, the bearing hook 532 fixed on the wall-attached bracket 411 prevents the upper climbing shoe 536 from moving downward, and when the lower climbing shoe 537 moves upward, the upper climbing shoe is clamped with the guide rail 531 to drive the guide rail 531 to move upward;
step 73, mounting the top of the guide rail 531 on the wall-attached bracket 411 of the next steel pipe column segment 411;
step 74, separating the bearing hook 532 from the wall-attached bracket 411;
step 75, adjusting reversing switches on the upper climbing shoe 536 and the lower climbing shoe 537, respectively, so that the upper climbing shoe 536 and the lower climbing shoe 537 can only climb up along the guide rail 531;
76, repeatedly extending and retracting the hydraulic oil cylinder 535 until the bearing hook 532 reaches the wall-attached corbel of the subsequent steel pipe column segment 411, when the hydraulic oil cylinder 535 contracts, the hydraulic oil cylinder 535 gives an upward force to the upper climbing shoe 536 and a downward force to the lower climbing shoe 537, the lower climbing shoe 537 is clamped with the guide rail 531, and the upper climbing shoe 536 can climb along the guide rail 531; when the hydraulic oil cylinder 535 contracts, the upper climbing shoe 536 can be clamped with the guide rail 531, and the lower climbing shoe 537 can climb along the guide rail 531;
and 77, hanging the bearing hook 532 on the wall attaching bracket 411 of the next steel pipe column section 411 through the self hook, so that the hydraulic self-climbing type steel pipe column attaching construction platform 5 is positioned at the top opening position of the next steel pipe column section 411.
Preferably, in the method for constructing an outer frame steel pipe column of a super high-rise structure, the lower end of the vertical support rod 533 is supported on the outer wall of the steel pipe column segment 411 by a support leg 55.
Preferably, in the method for constructing an outer frame steel pipe column of a very high-rise structure, the wall-attached corbel 411 is integrally processed when the steel pipe column segment 411 is processed.
The above description is only for the purpose of describing the preferred embodiments of the present invention, and is not intended to limit the scope of the present invention, and any variations and modifications made by those skilled in the art based on the above disclosure are within the scope of the appended claims.
Claims (10)
1. A construction method of an outer frame steel pipe column of a super high-rise structure is characterized by comprising the following steps:
step 1, arranging a distributing machine on a core barrel or on a core barrel construction formwork assembly platform system or on an outer frame beam outside the core barrel, wherein the distributing machine is connected with a concrete pump pipe positioned in the core barrel;
step 2, mounting a hydraulic self-climbing steel pipe column-attached construction platform on each mounted steel pipe column segment, enabling the hydraulic self-climbing steel pipe column-attached construction platform to be located at the top opening position of the mounted steel pipe column segment, and enabling the mounted steel pipe column segment to be wound on the outer side of the core barrel at intervals;
step 3, operating a material distributor to pour concrete of one of the installed steel pipe column sections;
step 4, pouring concrete of adjacent installed steel pipe column sections by the large arm of the rotary distributor until all the installed steel pipe column sections are poured;
step 5, hoisting each later steel pipe column segment, positioning constructors on the corresponding hydraulic self-climbing type steel pipe column-attached construction platform, and welding and fixing the later steel pipe column segment above the corresponding installed steel pipe column segment;
step 6, the distributing machine is disconnected from the concrete pump pipe, climbs to the next construction section, and is reconnected with the concrete pump pipe;
step 7, the hydraulic self-climbing steel pipe column-attached construction platform automatically climbs a steel pipe column section to enable the hydraulic self-climbing steel pipe column-attached construction platform to be located at the top opening of the next steel pipe column section;
and 8, repeating the steps 3 to 7 until the construction of all the steel pipe column sections in the steel pipe column is completed.
2. The method for constructing an external frame steel pipe column of a super high-rise structure as claimed in claim 1, wherein the material distributor is a climbing material distributor capable of attaching to an outer wall of the core tube and climbing along the core tube.
3. The method for constructing the steel pipe column of the external frame of the super high-rise structure as claimed in claim 1, wherein the material distributor is integrated with the core tube construction formwork assembly platform system, and the material distributor ascends integrally with the core tube construction formwork assembly platform system without an independent power system.
4. The construction method of the outer frame steel pipe column of the super high-rise structure as claimed in claim 1, wherein two wall attaching brackets are provided on the steel pipe column segment near the top, and the two wall attaching brackets are oppositely provided.
5. The method for constructing the steel pipe column with the external frame of the super high-rise structure according to claim 4, wherein the hydraulic self-climbing construction platform with the steel pipe column comprises an upper platform, a lower platform and two climbing systems, the lower platform is fixedly connected below the upper platform, the upper platform comprises two transverse steel beams and a first annular platform, the first annular platform is provided with through holes for all steel pipe column sections to pass through, the two transverse steel beams are oppositely arranged below the first annular platform, the lower platform comprises a second annular platform, the middle part of the second annular platform is provided with through holes for the steel pipe column sections to pass through, the outer ring of the second annular platform is connected with the upper platform through a connecting rod, and the two climbing systems can drive the upper platform to climb along the steel pipe column.
6. The method for constructing the steel pipe column of the external frame of the super high-rise structure according to claim 5, wherein the climbing system comprises a guide rail, a bearing hook, a vertical support rod, an oblique telescopic rod, a hydraulic cylinder, an upper climbing shoe and a lower climbing shoe, the bearing hook can be hung on the wall attaching bracket through the hook, the guide rail can be fixed on the wall attaching bracket, the inner side part of the transverse steel beam is hinged with the bearing hook, the outer side part of the transverse steel beam is hinged with the upper end of the oblique telescopic rod, the upper end and the lower end of the hydraulic cylinder are respectively connected with the upper climbing shoe and the lower climbing shoe, the upper climbing shoe is connected with the bearing hook, the upper end of the vertical support rod is connected with the bearing hook, the lower end of the oblique telescopic rod is hinged with the lower part of the vertical support rod, the upper platform and the guide rail are lifted through the upper climbing shoe and the lower, the climbing of the hydraulic self-climbing type steel pipe column-attached construction platform on the steel pipe column is realized.
7. The method for constructing an outer frame steel pipe column of a super high-rise structure according to claim 6, wherein the step 7 comprises:
step 71, respectively adjusting reversing switches on an upper climbing boot and a lower climbing boot to enable the upper climbing boot and the lower climbing boot to only climb downwards along a guide rail, wherein at the moment, a bearing hook is fixed on a bracket attached to a wall;
step 72, repeatedly extending and retracting the hydraulic oil cylinder until the guide rail reaches the position of the wall-attached bracket of the next steel pipe column section; when the hydraulic oil cylinder extends the cylinder, the hydraulic oil cylinder provides an upward force for the upper climbing boot and provides a downward force for the lower climbing boot, the upper climbing boot is clamped with the guide rail, the bearing hook fixed on the wall-attached bracket prevents the upper climbing boot from moving upwards, and the lower climbing boot moves downwards relative to the guide rail; when the hydraulic oil cylinder retracts, the hydraulic oil cylinder gives a downward force to the upper climbing boot and an upward force to the lower climbing boot, the bearing hook fixed on the wall-attached bracket prevents the upper climbing boot from moving downwards, and when the lower climbing boot moves upwards, the bearing hook and the guide rail are clamped together to drive the guide rail to move upwards;
step 73, mounting the top of the guide rail on the wall-attached bracket of the next steel pipe column segment;
step 74, separating the bearing hook from the wall-attached bracket;
step 75, respectively adjusting reversing switches on the upper climbing boot and the lower climbing boot, so that the upper climbing boot and the lower climbing boot can only climb upwards along the guide rail;
76, repeatedly extending and retracting the hydraulic oil cylinder until the bearing hook reaches the position of the wall-attached bracket of the next steel pipe column segment, wherein when the hydraulic oil cylinder retracts, the hydraulic oil cylinder applies an upward force to the upper climbing boot and applies a downward force to the lower climbing boot, the lower climbing boot is clamped with the guide rail, and the upper climbing boot can climb along the guide rail; when the hydraulic oil cylinder retracts, the upper climbing boot can be clamped with the guide rail, and the lower climbing boot can climb along the guide rail;
and 77, hanging the bearing hook on the wall attaching bracket of the next steel pipe column section through the self hook, so that the hydraulic self-climbing type steel pipe column attaching construction platform is positioned at the top opening position of the next steel pipe column section.
8. The method for constructing an outer frame steel pipe column of a super high-rise structure according to claim 6, wherein the lower ends of the vertical support rods are supported on the outer wall of the steel pipe column section through support legs.
9. The construction method of the external frame steel pipe column of the super high-rise structure as claimed in claim 4, wherein the wall attaching corbel is integrally processed when the steel pipe column is processed into the segment.
10. The method for constructing a steel pipe column with an outer frame of a super high-rise structure according to claim 1, wherein the material distributor comprises a vertical frame body, a cantilever arranged on the vertical frame body and a pumping pipeline arranged on the cantilever, the vertical frame body is supported on three outer frame beams outside the core barrel through three support frames, the support frames are provided with vertical through holes for the vertical frame body to pass through and transverse through holes for the outer frame beams to pass through, the support frames can be fixed at the intersection of the vertical frame body and the outer frame beams through locking mechanisms, the support frames comprise two half-frame structures, the two half-frame structures are connected through bolts, when the material distributor needs to climb, the locking mechanism on the support frame at the lowest part is released, then the support frame at the lowest part is decomposed and moved to the upper part to serve as the support frame at the highest part, and then the locking mechanisms on the other two support frames are released, and lifting the vertical frame body to a specified position, and finally, respectively locking each supporting frame at the intersection of the vertical frame body and the corresponding outer frame cross beam through a locking mechanism.
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