CN216616865U - High-efficient construction system of super high-rise structure of encorbelmenting - Google Patents
High-efficient construction system of super high-rise structure of encorbelmenting Download PDFInfo
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- CN216616865U CN216616865U CN202123331457.5U CN202123331457U CN216616865U CN 216616865 U CN216616865 U CN 216616865U CN 202123331457 U CN202123331457 U CN 202123331457U CN 216616865 U CN216616865 U CN 216616865U
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Abstract
The utility model discloses a high-efficiency construction system of a super high-rise cantilever structure, which comprises cantilever beam non-dismantling steel dies, cantilever plates non-dismantling steel dies and a cantilever construction platform, wherein the cantilever beam non-dismantling steel dies are respectively hoisted and assembled to a design position in a spanning mode, a plurality of span cantilever beam non-dismantling steel dies are connected with one another to form a latticed stressed whole, the cantilever plate non-dismantling steel dies are fixedly laid above the cantilever beam non-dismantling steel dies, and the plate surface of the cantilever plate is provided with an operation opening corresponding to the opening position at the top of the cantilever beam non-dismantling steel dies in a penetrating mode; the overhanging construction platform is correspondingly arranged below the position of an inter-span abutted seam of the non-dismantling steel mould of the overhanging beam, and an operating frame is erected inside the platform. The cantilever beam disassembly-free steel mould can be flexibly installed in a complex construction environment by adopting the cantilever construction platform and the cantilever disassembly-free steel mould system, the structure is simple and firm, the adaptability is better, the cantilever construction platform is only used as an operation platform, the structural load is not required to be borne, the installation structure is greatly simplified, and the safety coefficient is improved.
Description
Technical Field
The utility model relates to the technical field of building construction, in particular to a high-efficiency construction system of a super high-rise cantilever structure.
Background
Building facades present complications as society progresses and develops. The template support body of encorbelmenting is used in the component construction of encorbelmenting to the tradition, and the template support frame of encorbelmenting is the support frame for the construction that the bearing structure that utilizes to encorbelment on the building was set up, and the template support frame work progress on the I-steel of encorbelmenting is complicated, and the factor that needs to consider among the work progress is more, and the construction degree of difficulty is great. Along with the increase of the member span of encorbelmenting and the increase of the length of encorbelmenting, the load that the template support frame of encorbelmenting needs to bear is bigger and bigger, and factor of safety constantly reduces, and construction cost constantly increases. And the form is time-consuming and labor-consuming to remove, and the overhanging component concrete form removal age needs to be waited.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an efficient construction system of a super high-rise cantilever structure, which aims to solve the technical problems in the background technology.
In order to achieve the technical purpose, the utility model adopts the following technical scheme:
a high-efficiency construction system of a super high-rise cantilever structure comprises a cantilever beam non-dismantling steel die, a cantilever plate non-dismantling steel die and a cantilever construction platform, wherein the cantilever beam non-dismantling steel die is separately hoisted and assembled to a design position in a spanning mode, one end of a main beam steel die is welded and fixed with an embedded part arranged at the outer vertical surface of the main body structure, the other end of the main beam steel die extends to the outer side of the main body structure and is connected with the main body structure above the main beam steel die in a bracing mode through a second bracing mechanism, a secondary beam steel die and an edge sealing beam steel die are respectively and vertically arranged at the inner side and the end part of the main beam steel die, the end parts of the secondary beam steel die and the edge sealing beam steel die are welded and fixed with the main beam steel die or the embedded part, a plurality of the cantilever beam non-dismantling steel dies are connected with each other to form a latticed stress whole, the cantilever plate non-dismantling steel die is fixedly laid above the cantilever beam non-dismantling steel die, and the plate surface of the cantilever beam non-dismantling steel die is communicated with an operation port corresponding to the opening position at the top of the cantilever beam non-dismantling steel die;
the cantilever construction platform is correspondingly arranged below the position of the abutted seam between the cantilever beam disassembly-free steel mould spans, the inner end of the cantilever construction platform is connected with the main structure of the lower layer of the construction floor, the outer end of the cantilever construction platform exceeds the tail end of the main beam steel mould and is connected with the main structure above the main beam steel mould through a first pulling mechanism in a pulling mode, an operation frame is arranged inside the platform, constructors stand on the operation frame to complete the welding work of the cantilever beam disassembly-free steel mould, the cantilever construction platforms are arranged in two groups, and the two groups of cantilever construction platforms are arranged below the position of the abutted seam between the cantilever beam disassembly-free steel mould spans in a cross shifting mode.
Preferably, the cantilever beam disassembly-free steel mold comprises a beam bottom mold made of channel steel, the beam bottom mold is provided with an upward opening, a plurality of studs are welded on a web plate at intervals, beam side molds made of steel plates are correspondingly welded on the inner sides of two wing plates of the cantilever beam, the cantilever beam disassembly-free steel mold is communicated at the intersection position of a main beam and a secondary beam or the main beam and a sealing edge beam in a mode of cutting off a beam bottom mold wing plate at the main beam position, a reinforcing bottom support made of steel plates is fixedly welded on the bottom surface of the beam bottom mold web plate at the intersection position of the main beam and the secondary beam or the main beam and the sealing edge beam, the beam side molds are connected through a plurality of connecting steel bar drawknots, supporting angle steel is fixedly arranged at the outer side of the plate surface and the outer flange of the beam bottom mold, connecting angle steel is fixedly welded on the top of the plate surface, the bottom end of the supporting angle steel is connected with the outer flange of the beam bottom mold in a welding way, and vertical plates of the connecting angle steel are plug-welded between the beam side molds and the supporting angle steel, the transverse plate is deviated from the beam side die and is welded and fixed with the supporting angle steel.
Preferably, the connecting steel bars are horizontally arranged, and one of the connecting steel bars is correspondingly arranged at the top of the beam side die and is respectively welded and connected with the beam side die, the connecting angle steel and the cantilever plate in a steel-removal-free mode.
Preferably, the disassembly-free steel die of the cantilever plate is formed by assembling profiled steel plates in blocks, the edge of the plate surface of the cantilever plate is erected on the transverse plate of the connecting angle steel and is fixed through a stud, and the stud penetrates through the disassembly-free steel die of the cantilever plate and is welded and fixed with the transverse plate of the connecting angle steel.
Preferably, the embedded part comprises an embedded steel plate and anchoring steel bars, the embedded steel plate is fixedly arranged on the outer vertical surface of the main structure, a plurality of anchoring steel bars penetrate through the surface of the embedded steel plate, the anchoring steel bars are fixedly connected with the embedded steel plate in a plug welding mode, and the inner ends of the anchoring steel bars extend into the main structure and are connected with the main structure into a whole.
Preferably, the connection position of the disassembly-free steel mould of the cantilever beam and the embedded part is reinforced by a positioning support plate, the end surface and the top surface of the inner side of the positioning support plate are respectively connected with the embedded part and the bottom surface of the disassembly-free steel mould of the cantilever beam in a welding mode, and a stiffening plate is fixedly welded between the bottom surface of the positioning support plate and the outer vertical surface of the embedded part.
Preferably, the construction platform of encorbelmenting includes two parallel arrangement's the girder steel of encorbelmenting, the girder steel of encorbelmenting passes and reserves the wall entrance to a cave and extends to the major structure outside, and its indoor position adopts multichannel anchor to anchor on major structure's structural floor, and its position of encorbelmenting links to each other through the major structure drawknot of first drawknot mechanism rather than top, links the roof beam fixed linking through a plurality of ways of vertical fixation between the girder steel of encorbelmenting for two, and has laid the landing slab above linking the roof beam, the handling frame has been set up at the landing slab top, and fixed being provided with guard rail on its week side links the roof beam, fully hang close mesh net on the guard rail, and guard rail and close mesh net will encorbelment construction platform both sides and outer end and seal.
Preferably, the first pulling mechanism comprises a first hanging ring anchored on the outer vertical surface of the main structure, a first lifting hook welded and fixed to the overhanging part of the overhanging steel beam, and a first steel wire rope pulled and tied between the first hanging ring and the first lifting hook.
Preferably, the second drawknot mechanism includes the second rings of anchor on the outer facade of major structure, welded fastening in cantilever beam exempts from to tear open the second lifting hook at steel mould girder steel mould position of encorbelmenting and the second wire rope of drawknot between second rings and second lifting hook, second wire rope middle part is equipped with basket bolt, and its and second rings, second lifting hook and basket bolt meet the position and all be provided with the rope clip and be provided with safe bending according to the regulation, and second rings are strict according to national and local standard preparation and installation.
Compared with the prior art, the utility model has the beneficial effects that:
1. all steel moulds are prefabricated in a steel factory, the cantilever beam disassembly-free steel moulds are welded into a whole in a spanning mode and then transported to a construction site for direct installation, steel templates are not disassembled as one part of a main structure after concrete pouring is finished, the cantilever member concrete form disassembly age is not required to be waited, the mounting and disassembly of a template support system are avoided, part of reinforcing bars can be replaced, the reinforcing bar consumption is reduced, and the construction period is shortened on the premise of ensuring the construction quality;
2. the cantilever beam disassembly-free steel mould can be flexibly installed in a complex construction environment, is simple to operate and can be adapted to an increasingly complex building construction environment, the cantilever construction platform is only used as an operation platform, and does not need to bear structural load, so that the installation structure is greatly simplified, the safety coefficient is improved, and the system saves a large amount of materials compared with a common cantilever formwork support frame, reduces the construction cost, does not have a complex support frame, enlarges the operation space of workers, and further reduces the construction difficulty;
3. the disassembly-free steel die of the cantilever beam is tightly welded with the embedded part, each main beam is respectively welded with the embedded steel plate fixed in the main body structure, the positioning support plate and the stiffening plate are welded at each welding position, the stability of the cantilever steel die is greatly improved, the cantilever steel die and the main body structure are obliquely pulled by the steel wire rope, the construction load is shared again, and the safety coefficient of workers operating on the cantilever steel die is further improved.
Drawings
The above and/or other aspects and advantages of the present invention will become more apparent and more readily appreciated from the detailed description taken in conjunction with the following drawings, which are meant to be illustrative, not limiting of the utility model, and in which:
FIG. 1 is a plan layout view of a super high-rise cantilever structure high-efficiency construction system according to the present invention;
FIG. 2 is a schematic cross-sectional structure diagram of a super high-rise cantilever structure efficient construction system according to the present invention;
FIG. 3 is a schematic view of the structure of FIG. 2 after removal of the guard rail and the fine mesh screen;
FIG. 4 is a schematic side structure view of an overhanging beam disassembly-free steel mould of a high-efficiency construction system of a super high-rise overhanging structure, which is related by the utility model;
FIG. 5 is a schematic cross-sectional structure diagram of the intersection position of a main beam steel mold and a secondary beam steel mold of the high-efficiency construction system of the super high-rise cantilever structure, which is related by the utility model;
FIG. 6 is a schematic sectional structure view of the intersection position of a main beam steel mold and a sealing edge beam steel mold of the high-efficiency construction system of the super high-rise cantilever structure, which is related by the utility model;
fig. 7 is a schematic structural diagram of an embedded part of a high-efficiency construction system of a super high-rise cantilever structure, which is disclosed by the utility model.
Reference numerals: 1-main body structure, 2-overhanging construction platform, 21-overhanging steel beam, 22-anchoring device, 23-connecting beam, 24-platform plate, 25-protective railing, 26-dense mesh net, 3-first tie mechanism, 31-first hanging ring, 32-first steel wire rope, 33-first lifting hook, 4-operating frame, 5-overhanging beam non-dismantling steel die, 51-beam bottom die, 52-beam side die, 53-reinforcing bottom die, 54-supporting angle steel, 55-connecting angle steel, 56-bolt, 57-connecting steel bar, 6-embedded part, 61-embedded steel plate, 62-anchoring steel bar, 7-second tie mechanism, 71-second hanging ring, 72-second steel wire rope, 73-second lifting hook, 74-basket bolt, 75-rope clamps, 8-positioning support plates, 9-stiffening plates and 10-cantilever plates, and steel mould disassembly is avoided.
Detailed Description
Hereinafter, an embodiment of an efficient construction system of a super high cantilever structure according to the present invention will be described with reference to the accompanying drawings. The examples described herein are specific embodiments of the present invention, are intended to be illustrative and exemplary in nature, and are not to be construed as limiting the scope of the utility model. In addition to the embodiments described herein, those skilled in the art will be able to employ other technical solutions which are obvious based on the disclosure of the claims and the specification of the present application, and these technical solutions include technical solutions which make any obvious replacement or modification for the embodiments described herein.
In the description of the present invention, it should be noted that the terms "top", "bottom", "upper", "lower", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The drawings in the present specification are schematic views to assist in explaining the concept of the present invention, and schematically show the shapes of respective portions and their mutual relationships. It is noted that the drawings are not necessarily to the same scale so as to clearly illustrate the structures of the various elements of the embodiments of the utility model. Like reference numerals are used to denote like parts.
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth to illustrate, but are not to be construed to limit the scope of the utility model. Preferred embodiments of the present invention are described in further detail below with reference to FIGS. 1-6:
as shown in figures 1-3, the utility model is a preferred high-efficiency construction system of a super high-rise cantilever structure, which comprises a cantilever beam non-dismantling steel die 5, a cantilever slab non-dismantling steel die 10 and a cantilever construction platform 2, wherein the cantilever beam non-dismantling steel die 5 is separately hoisted to a designed position in a spanning way, one end of a main beam steel die is welded and fixed with an embedded part 6 arranged at the outer vertical surface of a main body structure 1, the other end of the main beam steel die extends to the outer side of the main body structure 1 and is connected with the main body structure 1 above the main beam steel die through a second drawknot mechanism 7 in a drawknot manner, a secondary beam steel die and an edge banding beam steel die are respectively and vertically arranged at the inner side and the end position of the main beam steel die, the two end parts are welded and fixed with the main beam steel die or the embedded part 6, a plurality of the span cantilever beam non-dismantling steel dies 5 are mutually connected to form a latticed stress whole, the cantilever slab non-dismantling steel die 10 is fixedly arranged above the cantilever beam non-dismantling steel die 5, and the plate surface of the cantilever beam non-dismantling steel die is provided with an operation opening corresponding to the top of the cantilever beam non-dismantling steel die 5, the second tie mechanism 7 comprises a second hanging ring 71 anchored on the outer vertical surface of the main body structure 1, a second lifting hook 73 welded and fixed on the overhanging part of the main beam steel mould of the cantilever beam disassembly-free steel mould 5 and a second steel wire rope 72 tied between the second hanging ring 71 and the second lifting hook 73, wherein a basket bolt 74 is arranged in the middle of the second steel wire rope 72, and rope clamps 75 are arranged at the connection positions of the second hanging ring 71, the second lifting hook 73 and the basket bolt 74 and are provided with safety bends according to regulations;
as shown in fig. 4-6, the cantilever beam detachment-free steel mold 5 includes a beam bottom mold 51 made of channel steel, the beam bottom mold 51 has an upward opening, a plurality of studs 56 are welded on a web plate at intervals, the distance between the studs 56 is not less than 500mm, the inner sides of two wing plates of the cantilever beam are correspondingly welded with beam side molds 52 made of steel plates, the cantilever beam detachment-free steel mold 5 is communicated at the intersection position of a main beam and a secondary beam or the main beam and an edge sealing beam by cutting off the wing plate of the beam bottom mold 51 at the intersection position of the main beam and the secondary beam or the main beam and the edge sealing beam, a reinforcement bottom support 53 made of steel plates is welded and fixed on the bottom surface of the beam bottom mold 51 web plate at the intersection position of the main beam and the secondary beam or the main beam and the edge sealing beam, the beam side molds 52 are connected by a plurality of connecting steel bars 57 in a drawknot manner, a supporting angle steel 54 is fixedly arranged at the outer side of the beam and the outer vertical surface of the beam bottom mold 51, a connecting angle steel 55 is welded and fixed on the top of the flange, the connecting steel bars 57 are horizontally arranged, the horizontal spacing between the connecting steel bars 57 is not less than 300mm, one connecting steel bar 57 is correspondingly arranged at the top of the beam side die 52 and is respectively welded and connected with the beam side die 52, the connecting steel angle 55 and the cantilever plate non-dismantling steel die 10, the bottom end of the supporting steel angle 54 is welded and connected with the flange outer vertical surface of the beam bottom die 51, the vertical plate of the connecting steel angle 55 is plugged and welded between the beam side die 52 and the supporting steel angle 54, and the transverse plate of the connecting steel angle 55 is arranged away from the beam side die 52 and is welded and fixed with the supporting steel angle 54;
as shown in fig. 7, the embedded part 6 includes an embedded steel plate 61 and anchoring steel bars 62, the embedded steel plate 61 is fixedly arranged on the outer vertical surface of the main structure 1, a plurality of anchoring steel bars 62 are arranged on the plate surface of the embedded steel plate, the anchoring steel bars 62 are fixedly connected with the embedded steel plate 61 in a plug welding manner, the inner side ends of the anchoring steel bars extend into the main structure 1 and are connected with the main structure into a whole, the connecting position of the embedded part 6 and the cantilever beam non-dismantling steel die 5 is reinforced by a positioning support plate 8, the inner side end surface and the top surface of the positioning support plate 8 are respectively connected with the embedded part 6 and the bottom surface of the cantilever beam non-dismantling steel die 5 in a welding manner, and a triangular stiffening plate 9 is fixedly welded between the bottom surface and the outer vertical surface of the embedded part 6;
the disassembly-free steel die 10 of the cantilever plate is formed by assembling profiled steel plates in blocks, the edge of the plate surface of the disassembly-free steel die 10 is erected on a transverse plate of the connecting angle steel 55 and is fixed through a stud 56, and the stud 56 penetrates through the disassembly-free steel die 10 of the cantilever plate and is welded and fixed with the transverse plate of the connecting angle steel 55;
the cantilever construction platform 2 is correspondingly arranged below the position of a gap between cantilever beam non-dismantling steel dies 5, the inner end of the cantilever construction platform is connected with the main structure 1 at the lower layer of a construction floor, the outer end of the cantilever construction platform exceeds the tail end of the main beam steel die and is connected with the main structure 1 above the cantilever construction platform through a first pulling mechanism 3 in a pulling manner, and an operation frame 4 is erected inside the platform;
the construction platform 2 of encorbelmenting includes two parallel arrangement's girder steel 21 of encorbelmenting, girder steel 21 of encorbelmenting passes and reserves the wall entrance to a cave and extends to the major structure 1 outside, and its indoor position adopts multichannel anchor 22 anchor on the structural floor slab of major structure 1, and its position of encorbelmenting links to each other through the major structure 1 drawknot of first drawknot mechanism 3 rather than top, and two encorbelments between the girder steel 21 and link the roof beam 23 fixed linking to each other through vertical fixation's a plurality of, and link the roof beam 23 top and has laid the landing slab 24, the handling frame 4 has been set up at the landing slab 24 top, and fixedly on its week side link the roof beam 23 be provided with the protection railing 25, fully hang dense mesh net 26 on the protection railing 25, and dense mesh net 26 will encorbelment construction platform 2 both sides and outer end closure, first drawknot mechanism 3 includes that the first rings 31 of anchoring on the major structure 1 outer facade, Welded fastening is in the girder steel 21 that encorbelments the position first lifting hook 33 and the drawknot 32 between first rings 31 and first lifting hook 33 that encorbelments, and the girder steel 21 that encorbelments is the I-steel, and even roof beam 23 is the channel-section steel, and the landing slab 24 adopts the decorative pattern steel sheet preparation, and guardrail bar 25 adopts the steel pipe welding preparation, and first lifting hook 33 adopts the bending of reinforcing bar to form, and adopt full weld mode welding on the girder steel 21 that encorbelments, and first rings 31 and anchor 22 are strict according to national and local standard preparation and installation.
In addition, the utility model also provides a construction method of the high-efficiency construction system of the super high-rise cantilever structure, which comprises the following steps:
firstly, constructing and embedding an embedded part 6 in a main body structure 1;
step two, manufacturing and installing the cantilever construction platforms 2 to the lower layer position of the construction floor of the main body structure 1, erecting operation frames 4 in the cantilever construction platforms 2 after the installation is finished, wherein the cantilever construction platforms 2 are provided with two groups, and the two groups of cantilever construction platforms 2 are arranged below the position of the inter-span splicing seam of the cantilever beam non-dismantling steel mould 5 by adopting a cross displacement method;
step three, blanking and manufacturing the cantilever beam disassembly-free steel die 5 and the cantilever plate disassembly-free steel die 10;
step four, assembling the cantilever beam disassembly-free steel die 5 in a span manner, wherein the single-span cantilever beam disassembly-free steel die 5 comprises a main beam steel die, a secondary beam steel die and an edge sealing beam steel die, all welding seams of the cantilever steel die are subjected to double-sided full welding, all welding seams are inspected after the cantilever steel die is transported to a construction site, and the construction quality of the welding seams is ensured;
fifthly, integrally hoisting a primary span cantilever beam disassembly-free steel mould 5 to a designed position, welding and connecting one ends of a main beam steel mould, a secondary beam steel mould and an edge banding beam steel mould close to the main body structure 1 with an embedded part 6, after welding is completed, arranging a second tying mechanism 7 between the main beam steel mould and the upper layer main body structure 1, measuring and paying off before welding, positioning a cantilever main beam bottom mould height line, and making an obvious mark on an embedded steel plate 61;
dismantling and circularly installing the cantilever construction platform 2 far away from the position of the next span cantilever beam non-dismantling steel mould 5 to the position below the position of the inter-span splicing seam between the next span cantilever beam non-dismantling steel mould 5 and the lower span cantilever beam non-dismantling steel mould 5;
step seven, integrally hoisting the next span cantilever beam disassembly-free steel mould 5 to a design position, welding and connecting a main beam steel mould of the next span cantilever beam disassembly-free steel mould with the embedded part 6, welding and connecting a secondary beam steel mould and an edge sealing beam steel mould with a main beam steel mould of the last span cantilever beam disassembly-free steel mould 5, and after welding is finished, arranging a second tying mechanism 7 between the main beam steel mould and the upper layer main body structure 1;
step eight, repeating the step six to the step seven until all the span cantilever beams are installed without detaching the steel moulds 5;
step nine, dismantling the operating frame 4 and the cantilever construction platform 2;
step ten, paving a cantilever slab non-dismantling steel mould 10 above the cantilever beam non-dismantling steel mould 5;
step eleven, taking the cantilever slab non-dismantling steel die 10 as an operation platform to perform steel bar binding and concrete layered pouring construction procedures;
and step twelve, after the concrete reaches the design strength, removing the second tie mechanism 7, and taking the disassembly-free steel mould 5 of the cantilever beam and the disassembly-free steel mould 10 of the cantilever slab as a part of the cantilever structure without removing.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (9)
1. The utility model provides a super high-rise structure high efficiency construction system of encorbelmenting which characterized in that: comprises an cantilever beam disassembly-free steel mould (5), a cantilever plate disassembly-free steel mould (10) and a cantilever construction platform (2), wherein the cantilever beam disassembly-free steel mould (5) is respectively hoisted and assembled to a design position in a span way, one end of a main beam steel mould is welded and fixed with an embedded part (6) arranged at the outer vertical surface of a main body structure (1), the other end of the main beam steel mould extends to the outer side of the main body structure (1) and is connected with the main body structure (1) above the main beam steel mould through a second tie mechanism (7) in a tie way, the secondary beam steel die and the edge banding beam steel die are respectively and vertically arranged at the inner side and the end part of the main beam steel die, the end parts of the secondary beam steel die and the edge banding beam steel die are both welded and fixed with the main beam steel die or an embedded part (6), a plurality of span cantilever beams are connected with each other to form a latticed stressed whole body without detaching the steel die (5), the disassembly-free steel mould (10) of the cantilever slab is fixedly paved above the disassembly-free steel mould (5) of the cantilever beam, and the plate surface of the steel mould is provided with an operation opening corresponding to the position of the opening at the top of the disassembly-free steel mould (5) of the cantilever beam;
the overhanging construction platform (2) is correspondingly arranged below the inter-span splicing position of the cantilever beam detaching-free steel mould (5), the inner end of the overhanging construction platform is connected with the main body structure (1) of the lower layer of the construction floor, the outer end of the overhanging construction platform exceeds the tail end of the main beam steel mould and is connected with the main body structure (1) above the main beam steel mould through a first pulling mechanism (3), an operation frame (4) is arranged inside the platform, the overhanging construction platform (2) is arranged in two groups, and the two groups of overhanging construction platforms (2) are arranged below the inter-span splicing position of the cantilever beam detaching-free steel mould (5) by adopting a cross shifting method.
2. The efficient construction system of the super high-rise cantilever structure of claim 1, wherein: the cantilever beam disassembly-free steel die (5) comprises a beam bottom die (51) made of channel steel, the opening of the beam bottom die (51) is upward, a plurality of studs (56) are welded on a web plate at intervals, the inner sides of two wing plates of the cantilever beam disassembly-free steel die are correspondingly welded with beam side dies (52) made of steel plates, the cantilever beam disassembly-free steel die (5) is communicated with a beam bottom die (51) wing plate at the position where a main beam and a secondary beam or the main beam and a sealing edge beam intersect through a mode of cutting off the wing plate of the beam bottom die (51), a reinforcing bottom support (53) made of steel plates is fixedly welded on the bottom surface of the web plate (51) at the position where the main beam and the secondary beam or the main beam and the sealing edge beam intersect, the beam side dies (52) are connected through a plurality of connecting steel bar vertical faces (57), a supporting angle steel (54) is fixedly arranged at the outer side of the beam bottom die (51) flange, a connecting angle steel (55) is fixedly welded on the top of the supporting angle (54), and the bottom angle steel die (51) is connected with the beam bottom die (51) through outer side flange, the vertical plates of the connecting angle steel (55) are welded between the beam side die (52) and the support angle steel (54) in a plug mode, and the transverse plates of the connecting angle steel are away from the beam side die (52) and are fixedly welded with the support angle steel (54).
3. The high-efficiency construction system of the super high-rise cantilever structure as claimed in claim 2, wherein: the connecting steel bars (57) are horizontally arranged, one connecting steel bar (57) is correspondingly arranged at the top of the beam side die (52) and is respectively connected with the beam side die (52), the connecting angle steel (55) and the cantilever plate steel-disassembly-free die (10) in a welding mode.
4. The high-efficiency construction system of the super high-rise cantilever structure as claimed in claim 2, wherein: the disassembly-free steel die (10) of the cantilever plate is formed by assembling profiled steel plates in blocks, the edge of the plate surface of the disassembly-free steel die is erected on a transverse plate of a connecting angle steel (55) and is fixed through a stud (56), and the stud (56) penetrates through the disassembly-free steel die (10) of the cantilever plate and is welded and fixed with the transverse plate of the connecting angle steel (55).
5. The efficient construction system of the super high-rise cantilever structure of claim 1, wherein: the embedded part (6) comprises an embedded steel plate (61) and anchoring steel bars (62), the embedded steel plate (61) is fixedly arranged on the outer vertical surface of the main structure (1), a plurality of anchoring steel bars (62) are arranged on the surface of the embedded steel plate in a penetrating mode, the anchoring steel bars (62) are fixedly connected with the embedded steel plate (61) in a plug welding mode, and the inner side ends of the anchoring steel bars extend to the inside of the main structure (1) and are connected with the main structure into a whole.
6. The efficient construction system of the super high-rise cantilever structure of claim 1, wherein: the connecting position of the disassembly-free steel die (5) of the cantilever beam and the embedded part (6) is reinforced through a positioning support plate (8), the end face and the top face of the inner side of the positioning support plate (8) are respectively connected with the embedded part (6) and the bottom face of the disassembly-free steel die (5) of the cantilever beam in a welding mode, and a stiffening plate (9) is fixedly welded between the bottom face of the positioning support plate and the outer vertical face of the embedded part (6).
7. The efficient construction system of the super high-rise cantilever structure of claim 1, wherein: the cantilever construction platform (2) comprises two cantilever steel beams (21) which are arranged in parallel, the cantilever steel beam (21) passes through the reserved through-wall opening and extends to the outer side of the main body structure (1), the indoor part of the device is anchored on the structural floor of the main structure (1) by adopting a plurality of anchoring devices (22), the overhanging part is connected with the main structure (1) above the overhanging part through a first pulling mechanism (3) in a pulling way, two overhanging steel beams (21) are fixedly connected through a plurality of connecting beams (23) which are vertically fixed, a platform plate (24) is laid above the connecting beam (23), an operating frame (4) is erected at the top of the platform plate (24), and the coupling beams (23) on the peripheral sides are fixedly provided with guard rails (25), the guard rails (25) are fully hung with dense meshes (26), and the two sides and the outer end of the overhanging construction platform (2) are sealed by the protective railing (25) and the dense mesh net (26).
8. The high-efficiency construction system of the super high-rise cantilever structure as claimed in claim 7, wherein: the first pulling mechanism (3) comprises a first lifting ring (31) anchored on the outer vertical surface of the main body structure (1), a first lifting hook (33) welded and fixed on the overhanging part of the overhanging steel beam (21), and a first steel wire rope (32) pulled and tied between the first lifting ring (31) and the first lifting hook (33).
9. The high-efficiency construction system of the super high-rise cantilever structure as claimed in claim 2, wherein: second drawknot mechanism (7) are including second rings (71), welded fastening on major structure (1) facade second lifting hook (73) and drawknot second wire rope (72) between second rings (71) and second lifting hook (73) of anchor in the cantilever beam exempting from to tear open steel mould (5) girder steel mould position of encorbelmenting, second wire rope (72) middle part is equipped with basket of flowers bolt (74), and its meets the position with second rings (71), second lifting hook (73) and basket of flowers bolt (74) and all is provided with rope clip (75) and is provided with safe bending according to the regulation.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115748955A (en) * | 2022-11-22 | 2023-03-07 | 中建八局第三建设有限公司 | High-altitude cantilever plate stacking method construction method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115748955A (en) * | 2022-11-22 | 2023-03-07 | 中建八局第三建设有限公司 | High-altitude cantilever plate stacking method construction method |
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