CN111550052A - Exposed buried type steel bar reservation and chiseling-free construction method for floor slab outside super high-rise core tube - Google Patents
Exposed buried type steel bar reservation and chiseling-free construction method for floor slab outside super high-rise core tube Download PDFInfo
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- CN111550052A CN111550052A CN202010480874.7A CN202010480874A CN111550052A CN 111550052 A CN111550052 A CN 111550052A CN 202010480874 A CN202010480874 A CN 202010480874A CN 111550052 A CN111550052 A CN 111550052A
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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
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
- E04B5/32—Floor structures wholly cast in situ with or without form units or reinforcements
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Abstract
The invention relates to the technical field of building construction, and discloses a method for reserving exposed buried steel bars and constructing a floor slab outside a super high-rise core tube without chiseling, which comprises the following steps: s10, installing a combined K plate on the outer aluminum mold, wherein the combined K plate is provided with a concrete contact surface in contact with concrete, and the concrete contact surface of the combined K plate is provided with a first iron wire net; s20, tightening and fixing the combined K plate with the inner side aluminum die through a split screw; s30, arranging a reserved steel bar in the combined K plate in a penetrating manner, wherein two ends of the reserved steel bar extend out of the inner side and the outer side of the combined K plate; s40, pouring concrete, and forming a wall body and a floor slab in the core tube; and S50, after the template is removed, reserving a rough surface and reserved steel bars on the wall, and constructing the outer frame floor slab according to the rough surface and the reserved steel bars. The construction method for reserving the exposed buried reinforcing steel bars and avoiding chiseling the floor slab outside the super high-rise core tube, which is provided by the technical scheme of the invention, saves the construction cost and has high construction efficiency.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a construction method for reserving and chiseling-free exposed buried reinforcing steel bars of a floor slab outside a super high-rise core tube.
Background
With the rapid development of society, more and more high-rise buildings are pulled out, the buildings provide more space for people to live or produce, the demands of people are met, and with the improvement of scientific technology, a plurality of super high-rise buildings also appear.
At present, a structural system of a reinforced concrete core tube-steel structure frame is common in super high-rise buildings, and the super high-rise buildings with the structural type adopt a staggered-floor construction method, namely the construction of a reinforced concrete core tube leading to a steel structure outer frame structure.
Aiming at the construction of the super high-rise building, the common embedding method of the reinforcing steel bars of the peripheral floor slab of the core cylinder comprises the following steps: bending the floor slab embedded steel bars by 90 degrees, carrying out buried installation along with the core cylinder template, chiseling the positions of the floor slabs at the later stage, and straightening the floor slab embedded steel bars; in addition, the method of re-planting bars is directly adopted, and obviously, the construction method has very high cost, and the concrete surface needs to be roughened and repaired perfectly.
Disclosure of Invention
The invention aims to provide a construction method for reserving exposed buried reinforcing steel bars and avoiding chiseling of a floor slab outside a super high-rise core tube, and aims to solve the problem of high construction cost in the prior art.
The invention is realized in this way, a construction method for reserving and chiseling-free buried steel bars of a floor slab outside a super high-rise core tube comprises the following steps:
s10, installing a combined K plate on the outer aluminum mold, wherein the combined K plate is provided with a concrete contact surface in contact with concrete, and the concrete contact surface of the combined K plate is provided with a first iron wire net;
s20, tightening and fixing the combined K plate with the inner side aluminum die through a split screw;
s30, arranging a reserved steel bar in the combined K plate in a penetrating manner, wherein two ends of the reserved steel bar extend out of the inner side and the outer side of the combined K plate;
s40, pouring concrete, and forming a wall body and a floor slab in the core tube;
and S50, after the template is removed, reserving a rough surface and reserved steel bars on the wall, and constructing the outer frame floor slab according to the rough surface and the reserved steel bars.
Optionally, the combination K board includes K board and lower K board, go up the K board dock in the upper portion of lower K board, the lower part of going up the K board is equipped with first wire netting.
Optionally, the lower portion of the upper K plate is provided with a plurality of tooth sockets arranged at intervals according to the design of floor slab reinforcing steel bars, a toothed K plate is formed between adjacent tooth sockets, the first wire mesh is arranged on the toothed K plate, and the reserved reinforcing steel bars penetrate through the K plate from the tooth sockets.
Optionally, two reserved steel bars are pre-buried in each tooth socket, and the two reserved steel bars penetrate through the upper end and the lower end of the tooth socket respectively.
Optionally, after step S30:
and covering the leakage-proof cover plate on the lower part of the upper K plate, and plugging the leakage-proof cover plate in the tooth grooves.
Optionally, the leak protection thick liquid apron includes aluminum plate and caulking aluminum plate, the aluminum plate lid is located the lower part of K board, caulking aluminum plate inlays to be located in the tooth's socket.
Optionally, the caulking aluminum plate surface that deviates from aluminum plate is equipped with the second wire netting.
Optionally, the reserved steel bar has a reserved section and an embedded section, the embedded section is located on the inner side of the combined K plate, the reserved section is located on the outer side of the combined K plate, and the reserved section is transversely bent and extends towards the combined K plate to form a bent section.
Optionally, a bolt hole is formed in the combined K plate, and after step S10:
and screws are arranged in the bolt holes of the combined K plate.
Optionally, before step S40:
and a groove-shaped reinforcing member is arranged on the outer side of the combined K plate, two ends of the groove-shaped reinforcing member are respectively abutted to the upper part of the combined K plate and the outer side aluminum die, and the combined K plate is tensioned and fixed through the opposite-pulling screw rod.
Compared with the prior art, the exposed embedded type steel bar reserving and chiseling-free construction method for the floor outside the super high-rise core tube, provided by the invention, has the advantages that through the construction steps, a rough surface is formed on a wall body through the first wire netting, the reserved steel bars extend out of the wall body through the pre-embedded reserved steel bars, and the outer frame plate can be directly constructed through the rough surface and the reserved steel bars. The problem of among the prior art, construction cost is high is solved.
Drawings
FIG. 1 is a schematic step diagram of a construction method for reserving exposed buried reinforcing steel bars and avoiding chiseling of a floor slab outside a super high-rise core tube, provided by the invention;
FIG. 2 is a main schematic diagram of construction of the exposed buried steel bar reservation and chiseling-free construction method for the outer floor slab of the core tube of the super high-rise building provided by the invention;
fig. 3 is a schematic construction side view of an exposed buried reinforcement reservation and chiseling-free construction method for an outer floor slab of a core tube of a super high-rise building according to an embodiment of the present invention;
FIG. 4 is an enlarged schematic view at A in FIG. 3;
fig. 5 is a schematic structural view of a combined K plate according to the exposed-buried steel bar reservation and chiseling-free construction method for the floor slab outside the super high-rise core tube provided in the embodiment of the present invention;
FIG. 6 is a schematic structural diagram of a slurry leakage preventing cover plate of the exposed buried steel bar reservation and chiseling-free construction method for the outer floor slab of the core tube of the super high-rise building provided by the invention;
FIG. 7 is a schematic cross-sectional view of an aluminum caulking plate of an anti-slurry leakage cover plate according to the exposed buried steel bar reservation and chiseling-free construction method for the outer floor slab of the super high-rise core tube;
FIG. 8 is a schematic structural diagram of a reserved steel bar of the exposed-buried steel bar reservation and chiseling-free construction method for the outer floor slab of the core tube of the super high-rise building provided by the invention;
fig. 9 is a schematic construction side view of an exposed buried steel bar reserving and chiseling-free construction method for an external floor slab of a core tube of a super high-rise building according to still another embodiment of the present invention;
FIG. 10 is an enlarged schematic view at B of FIG. 9;
fig. 11 is a schematic structural view of a combined K-plate according to a method for exposed-buried reinforcement reservation and chiseling-free construction of a floor slab outside a core tube of a super high-rise building according to yet another embodiment of the present invention;
FIG. 12 is a side schematic view of a groove-shaped reinforcing member of the exposed buried reinforcing steel bar reservation and chiseling-free construction method for the outer floor slab of the super high-rise core tube provided by the invention;
fig. 13 is a main schematic view of a groove-shaped reinforcing member of the exposed buried reinforcing steel bar reservation and chiseling-free construction method for the outer floor slab of the super high-rise core tube provided by the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The following describes the implementation of the present invention in detail with reference to specific embodiments.
The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, but it is not intended to indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms may be understood by those skilled in the art according to specific circumstances.
The construction method for reserving the exposed buried reinforcing steel bars and avoiding chiseling of the floor slab outside the super high-rise core tube, which is provided by the technical scheme of the invention, saves the construction cost and has high construction efficiency.
Referring to fig. 1 to 13, a preferred embodiment of the present invention is shown.
A construction method for reserving and chiseling-free exposed buried steel bars of a floor slab outside a super high-rise core tube comprises the following steps:
s10, installing the combined K plate 11 on the outer aluminum mold 121, wherein the combined K plate 11 is provided with a concrete contact surface in contact with concrete, and the concrete contact surface of the combined K plate 11 is provided with a first iron wire net; the lower part of the combined K plate 11 is connected with the outer aluminum mould 121 through a K plate screw, the adjacent combined K plate 11 is also connected through the K plate screw, the position of the combined K plate is positioned at the position of a core tube inner floor 22 obtained by subsequent pouring and can be used as an aluminum mould supporting leg of a subsequent upper layer, and the first wire netting arranged at this time is positioned at the position of an outer frame floor 23.
S20, tightening and fixing the combined K plate 11 and the inner side aluminum die 122 through the counter-pulling screw 115; the inner aluminum mold 122 is higher than the outer aluminum mold 121 and generally extends to a core tube inner floor 22 obtained by subsequent pouring, the inner aluminum mold 122 and the outer aluminum mold 121 are fixedly connected through the opposite-pulling screw 115, the wall column reinforcing steel bars 211 are arranged between the outer aluminum mold 121 and the inner aluminum mold 122, the combined K plate 11 is tightened to the wall column reinforcing steel bars 211 through the opposite-pulling screw 115, and the position stability of the combined K plate 11 is ensured; in this embodiment, the tie screw 115 may be provided with a plurality of to tighten the combination K plate 11 and fix, the tie screw 115 both sides are provided with the stagnant water cushion, realize fixing through bolt gasket, nut.
S30, the reserved steel bars 114 penetrate through the combined K plate 11, and two ends of the reserved steel bars 114 extend out of the inner side and the outer side of the combined K plate 11; in this embodiment, the inner side of the combined K plate 11 refers to a side of the combined K plate 11 facing the inner aluminum mold 122, the outer side is the opposite side, the reserved steel bars 114 extend out of the inner side of the combined K plate 11 and are fixed in the core tube inner floor 22 or the wall body 21 obtained by subsequent casting, and the reserved steel bars 114 extend out of the outer side of the combined K plate 11 and are used for fixing the subsequent outer frame floor 23;
s40, pouring concrete, and forming the wall body 21 and the floor slab 22 in the core cylinder; after the structure is installed, concrete can be poured to obtain the wall body 21 and the core tube inner floor 22.
S50, after the template is removed, reserving a rough surface and reserved steel bars 114 on the wall body 21, and constructing the outer frame floor 23 according to the rough surface and the reserved steel bars 114; the formwork includes the outer aluminum formwork 121, the inner aluminum formwork 122 and the combined K-plate 11, after the formwork is removed, the surface of the wall 21 has rough surfaces and reserved steel bars 114, and then the outer frame floor 23 can be obtained through construction.
In this embodiment, through the above-mentioned construction steps, a rough matte surface is formed on the wall body 21 through the first wire mesh, the reserved steel bars 114 are embedded in advance, the reserved steel bars 114 extend out of the wall body 21, and the outer frame plate can be directly constructed through the rough matte surface and the reserved steel bars 114.
Referring to fig. 5 and 11, in an embodiment of the invention, the combined K plate 11 includes an upper K plate 111 and a lower K plate 112, the upper K plate 111 is butted to an upper portion of the lower K plate 112, and a first wire mesh is disposed at a lower portion of the upper K plate 111.
Go up and connect fixedly through the K board screw between K board 111 and the lower K board 112, like this, above-mentioned first wire netting is located the middle part of combination K board 11, therefore does not influence the effect that combination K board 11 is as the stabilizer blade. In this embodiment, when the inner and outer floors of the core barrel have a large height difference, the upper K plate 111 has a length of 800mm and a width of 285mm, and the lower K plate 112 has a length of 800mm and a width of 300mm, and when the inner and outer floors of the core barrel have a small height difference, the upper K plate 111 has a length of 800mm and a width of 185mm, and the lower K plate 112 has a length of 800mm and a width of 300 mm. In other embodiments, the combined K plate 11 may be separately designed as an integrally formed combined K plate as needed, and will not be described in detail.
In this embodiment, the lower portion of the upper K plate 111 is provided with a plurality of tooth sockets arranged at intervals according to the design of the floor slab reinforcing steel bars, a toothed K plate 1111 is formed between adjacent tooth sockets, the first wire mesh is arranged on the toothed K plate 1111, and the reserved reinforcing steel bars 114 penetrate through the K plate from the tooth sockets.
In this embodiment, upper K plate 111 adopts aluminum plate processing, and the diameter and the interval according to reserve reinforcing bar 114 are processed into the tooth socket form to reserve reinforcing bar 114 wears to establish, and in this embodiment, the width of tooth socket is 12mm, and long 125mm, and adjacent tooth socket interval is 152mm, and a plurality of tooth sockets uniform interval set up in upper K plate 111's lower part. The lower portion of the toothed K plate 1111 is fixedly connected to the lower K plate 112 by a K plate screw, and a first wire mesh is disposed on the surface of the toothed K plate 1111 facing the inner aluminum mold 122. Of course, in other embodiments, the tooth grooves may also be disposed on the upper portion of the lower K plate 112, and are not described again.
Thus, when the combined K plate 11 is disassembled, the upper K plate 111 can be drawn out upwards, the reserved steel bars 114 can be threaded out along the tooth grooves, and the quick disassembly of the combined K plate 11 can be guaranteed no matter what the shape of the reserved steel bars 114 is.
In this embodiment, two reserved steel bars 114 are embedded in each tooth socket, and the two reserved steel bars 114 are respectively inserted into the upper and lower ends of the tooth socket.
That is, two rows of the reserved steel bars 114 are provided, so that the structural stability of the outer frame floor 23 is ensured when the subsequent outer frame floor 23 is constructed. Of course, in other embodiments, more reserved steel bars 114 can be provided in each tooth slot, and the plurality of reserved steel bars 114 are arranged at intervals, so that the outer frame floor 23 with higher strength can be obtained.
Referring to fig. 6 and 7, after step S30:
the slurry leakage preventing cover plate 113 is covered on the lower part of the upper K plate 111, and the slurry leakage preventing cover plate 113 is plugged in the tooth grooves.
Because the tooth socket is formed by the processing, in order to avoid the seepage of concrete from the tooth socket in the process of pouring concrete, the tooth socket is sealed by arranging the slurry leakage prevention cover plate 113, so that the concrete seepage can be avoided. Meanwhile, in one embodiment, in order to fix the leakage preventing cover plate 113, both ends of the leakage preventing cover plate 113 are fixed to both sides of the upper K plate 111 by K plate screws.
In addition, leak protection thick liquid apron 113 includes aluminum plate and caulking aluminum plate 1131, and the lower part of K board is located to the aluminum plate lid, and caulking aluminum plate 1131 inlays and locates in the tooth's socket.
The caulking aluminum plate 1131 is used for being embedded in the tooth groove, so that concrete seepage is further avoided, and the position of the leakage-proof cover plate 113 can be ensured to be unchanged. In this embodiment, the thickness of the caulking aluminum plate 1131 is the same as that of the toothed K plate 1111, so that after the caulking aluminum plate 1131 is embedded in the tooth groove, it is ensured that the wall 21 formed by subsequent casting is not too abrupt.
In this embodiment, above-mentioned leak protection thick liquid apron 113 forms through aluminum plate processing, caulking aluminum plate 1131 is with the internal surface welded connection of leak protection thick liquid apron 113's plate body, the plate body is thick 5mm, length 800mm, wide 96mm, caulking aluminum plate 1131 is wide 12mm, thick 15mm, furthermore, the surface at this leak protection thick liquid apron 113's plate body still welds diaphragm 1132 perpendicularly, diaphragm 1132 is high 30mm, through this diaphragm 1132 so that the construction installation and dismantlement, and the both ends of plate body still weld has the connecting plate 1132, be used for being connected with last K board 111.
In addition, the surface of caulk aluminum plate 1131 facing away from the aluminum plate is provided with a second wire mesh.
This second wire netting is with caulking aluminum plate 1131 welded connection, when inlaying caulking aluminum plate 1131 and locating the tooth's socket in, this second wire netting is the same with the position of first wire netting, like this, makes this part of wall body 21 whole be formed with coarse matte to the construction of being connected of follow-up outer frame floor 23 is convenient for. In this embodiment, the second iron wire mesh is a diamond-shaped aluminum strip, and of course, other shapes may be adopted as needed.
In this embodiment, only the slurry leakage preventing cover plates 113 required for constructing a single floor may be prepared, that is, after the wall 21 and the core tube inner floor 22 are formed by pouring concrete, and after the concrete is solidified, the combined K plate 11 serves as a support leg of the subsequent outer aluminum mold 121, and the slurry leakage preventing cover plates 113 may be removed to be installed with the combined K plate 11 of the previous floor, and then continuously installed and used as a slurry leakage preventing function.
Referring to fig. 8, in an embodiment of the present invention, the reserved steel bar 114 has a reserved section 1142 and an embedded section 1141, the embedded section 1141 is located at an inner side of the assembled K plate 11, the reserved section 1142 is located at an outer side of the assembled K plate 11, and the reserved section 1142 is bent horizontally and extends toward the assembled K plate 11 to form a bent section 1143.
The embedded section 1141 is left in the wall 21 or the core tube inner floor 22, the reserved section 1142 is used for connecting the outer frame floor 23, the end part of the reserved section 1142 is bent to obtain a bent section 1143, collision between the exposed embedded steel bars and the climbing formwork in the climbing process can be avoided, and meanwhile, the safety risk is also reduced. In this embodiment, the diameter of the reserved steel bar 114 is phi 10mm, the length of the embedded section 1141 is the steel bar anchoring length of the anti-seismic member, the reserved section 1142 extends out of the structure by 150mm to be bent, and the transverse bending length is the steel bar anchoring length minus 150mm of the anti-seismic member. The bending section 1143 formed by bending in this embodiment can also ensure stable connection between the subsequent outer frame floor 23 and the wall 21. Of course, in other embodiments, more sections may be bent, and are not described again.
In this embodiment, after the lower wall 21 and the floor 22 in the core tube are condensed, the reserved steel bars 114 are bent according to the above structure after the grout leakage preventing cover plate 113 is removed, and of course, in other embodiments, the reserved steel bars 114 with bent sections may be preset and installed in a penetrating manner, which is not described in detail.
Referring to fig. 5 and 11, in an embodiment of the present invention, the hole 111a is formed on the combined K plate 11, and after step S10:
screws are installed in the holes of the bolt holes 111a of the combination K-plate 11.
Specifically, in an embodiment, a row of bolt holes 111a is formed in the upper portion of the upper K plate 111, and two rows of bolt holes are formed in the lower K plate 112, so that after the bolt holes 111a of the combined K plate 11 are screwed, the wall body 21 and the core tube inner floor 22 are formed subsequently, and after the counter-pulling screws 115 and the outer aluminum mold 121 below are removed, the combined K plate 11 can be stably connected with the wall body 21 to serve as support legs of the subsequent outer aluminum mold 121. In addition, the lower K plate 112 has screw holes for the opposite pulling screws 115 to pass through, so as to pull the combination K plate 11 closer.
Referring to fig. 12 and 13, before step S40:
a groove-shaped reinforcing member 116 is arranged on the outer side of the combined K plate 11, two ends of the groove-shaped reinforcing member 116 are respectively abutted against the upper part and the outer side aluminum die 121 of the combined K plate 11, and the combined K plate 11 is tightened and fixed through a counter-pulling screw 115.
This cell type reinforcement 116 extends along vertical direction and arranges, and the upper end of cell type reinforcement 116 extends towards combination K board 11 has first butt piece 1161, and the lower extreme of cell type reinforcement 116 extends towards outside aluminium mould 121 has second butt piece 1162, first butt piece 1161 butt in combination K board 11, second butt piece 1162 butt in outside aluminium mould 121, and, screw hole 116a has been seted up at the middle part of cell type reinforcement 116, and this screw hole 116a supplies the above-mentioned tip to the lag screw 115 to pass, and it is taut fixed through nut and nut gasket, and then further fixed with combination K board 11. The channel type reinforcing member 116 is formed by a 50-square-tube welding process, and a plurality of the channel type reinforcing members are provided according to the number of the tie screws 115, so that the K plate 11 is stably fixed.
In addition, referring to fig. 3 and 4, when the height difference between the inner floor and the outer floor of the core barrel is large, for example, the height difference between the inner floor and the outer floor is not less than 50mm, the groove-shaped reinforcing member 116 is not used, and only the bolt hole 111a is arranged on the upper K plate 111, referring to fig. 9 and 10, when the height difference between the inner floor and the outer floor of the core barrel is small, for example, the height difference between the inner floor and the outer floor is less than 50mm, the groove-shaped reinforcing member 116 is used for supporting and fixing. In this embodiment, when the height difference between the inner floor and the outer floor of the core barrel is 100mm, the upper K plate 111 of the combined K plate 11 can be directly fixed on the wall 21 by screws, so that the combined K plate can be stably used as a support leg for a subsequent aluminum mold, and when the height difference between the inner floor and the outer floor of the core barrel is level, the upper reserved space of the upper K plate 111 is small and cannot be connected to the wall 21 by screws, so that the groove-shaped reinforcing member 116 is provided, and the combined K plate 11 is stably fixed.
Further, when the assembled K-plate 11 is fixed by using the channel-shaped stiffener 116, after the outer aluminum mold 121 and the inner aluminum mold 122 are removed, the channel-shaped stiffener 116 is continuously fixed to the opposing screw 115 without removing the opposing screw 115 of the assembled K-plate 11, the opposing screw 115 is respectively fastened to the inner side of the wall 21, the assembled K-plate 11, and the channel-shaped stiffener 116, the upper end of the channel-shaped stiffener 116 abuts against the upper portion of the assembled K-plate 11, and the lower end of the channel-shaped stiffener 116 abuts against the outer wall 21.
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 invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A construction method for reserving and chiseling-free exposed buried steel bars of a floor slab outside a super high-rise core tube is characterized by comprising the following steps:
s10, installing a combined K plate on the outer aluminum mold, wherein the combined K plate is provided with a concrete contact surface in contact with concrete, and the concrete contact surface of the combined K plate is provided with a first iron wire net;
s20, tightening and fixing the combined K plate with the inner side aluminum die through a split screw;
s30, arranging a reserved steel bar in the combined K plate in a penetrating manner, wherein two ends of the reserved steel bar extend out of the inner side and the outer side of the combined K plate;
s40, pouring concrete, and forming a wall body and a floor slab in the core tube;
and S50, after the template is removed, reserving a rough surface and reserved steel bars on the wall, and constructing the outer frame floor slab according to the rough surface and the reserved steel bars.
2. The method of claim 1, wherein the combined K plate comprises an upper K plate and a lower K plate, the upper K plate is butted with the upper portion of the lower K plate, and the first wire mesh is arranged on the lower portion of the upper K plate.
3. The method for reserved steel bars and chiseling-free construction of the exposed-buried floor slab outside the super high-rise core tube as claimed in claim 2, wherein the lower portion of the upper K plate is provided with a plurality of tooth grooves arranged at intervals according to the design of the floor slab steel bars, a tooth-shaped K plate is formed between adjacent tooth grooves, the first wire netting is arranged on the tooth-shaped K plate, and the reserved steel bars are arranged on the K plate through the tooth grooves.
4. The method for open-buried reinforcement reservation and chiseling-free construction of an outer floor slab of a super high-rise core tube as claimed in claim 3, wherein two reserved reinforcements are pre-buried in each tooth socket, and the two reserved reinforcements are respectively inserted into the upper and lower ends of the tooth socket.
5. The method for reserved exposed buried steel bars and burr-free construction of the external floor slab of the super high-rise core tube as claimed in claim 3, wherein after the step S30:
and covering the leakage-proof cover plate on the lower part of the upper K plate, and plugging the leakage-proof cover plate in the tooth grooves.
6. The method for open-buried reinforcement reservation and chiseling-free construction of the outer floor slab of the super high-rise core tube as claimed in claim 5, wherein the grout leakage prevention cover plate comprises an aluminum plate and a caulking aluminum plate, the aluminum plate is covered on the lower portion of the K plate, and the caulking aluminum plate is embedded in the tooth grooves.
7. The method for open-buried reinforcement reservation and chiseling-free construction of the outer floor slab of the super high-rise core tube as claimed in claim 6, wherein a second wire mesh is arranged on the surface of the caulked aluminum plate facing away from the aluminum plate.
8. The method for constructing an open-buried steel bar of an external floor slab of a super high-rise core tube as claimed in any one of claims 1 to 4, wherein the reserved steel bar has a reserved section and an embedded section, the embedded section is located at the inner side of the combined K plate, the reserved section is located at the outer side of the combined K plate, and the reserved section is transversely bent and extends towards the combined K plate to form a bent section.
9. The method for open-air embedded steel bar reservation and chiseling-free construction of the outer floor slab of the super high-rise core tube as claimed in any one of claims 1 to 4, wherein the combined K plate is provided with bolt holes, and after the step S10:
and screws are arranged in the bolt holes of the combined K plate.
10. The method for open-air embedded steel bar reservation and chiseling-free construction of the outer floor slab of the super high-rise core tube as claimed in any one of claims 1 to 4, wherein before the step S40:
and a groove-shaped reinforcing member is arranged on the outer side of the combined K plate, two ends of the groove-shaped reinforcing member are respectively abutted to the upper part of the combined K plate and the outer side aluminum die, and the combined K plate is tensioned and fixed through the opposite-pulling screw rod.
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| CN202010480874.7A CN111550052B (en) | 2020-05-30 | 2020-05-30 | Exposed buried type steel bar reservation and chiseling-free construction method for floor slab outside super high-rise core tube |
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| CN202010480874.7A CN111550052B (en) | 2020-05-30 | 2020-05-30 | Exposed buried type steel bar reservation and chiseling-free construction method for floor slab outside super high-rise core tube |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113216486A (en) * | 2021-02-05 | 2021-08-06 | 中建科工集团有限公司 | Steel bar truss floor support plate and aluminum alloy cross joint structure and construction method |
| CN114232990A (en) * | 2021-12-09 | 2022-03-25 | 中国一冶集团有限公司 | Stair step chiseling-free assembled aluminum template structure and construction method |
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| CN103485537A (en) * | 2013-07-16 | 2014-01-01 | 中国建筑第八工程局有限公司 | Construction method and structure of embedded reinforcement of super high-rise horizontal secondary structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113216486A (en) * | 2021-02-05 | 2021-08-06 | 中建科工集团有限公司 | Steel bar truss floor support plate and aluminum alloy cross joint structure and construction method |
| CN113216486B (en) * | 2021-02-05 | 2022-11-25 | 中建科工集团有限公司 | Steel bar truss floor support plate and aluminum alloy cross joint structure and construction method |
| CN114232990A (en) * | 2021-12-09 | 2022-03-25 | 中国一冶集团有限公司 | Stair step chiseling-free assembled aluminum template structure and construction method |
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| CN111550052B (en) | 2021-07-06 |
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