CN114892811A - Construction method for connecting node of core tube and outer frame steel bar truss floor bearing plate - Google Patents
Construction method for connecting node of core tube and outer frame steel bar truss floor bearing plate Download PDFInfo
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- CN114892811A CN114892811A CN202210598682.5A CN202210598682A CN114892811A CN 114892811 A CN114892811 A CN 114892811A CN 202210598682 A CN202210598682 A CN 202210598682A CN 114892811 A CN114892811 A CN 114892811A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 65
- 239000010959 steel Substances 0.000 title claims abstract description 65
- 238000010276 construction Methods 0.000 title claims abstract description 29
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 76
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 76
- 239000004567 concrete Substances 0.000 claims abstract description 16
- 238000004873 anchoring Methods 0.000 claims abstract description 6
- 239000006260 foam Substances 0.000 claims description 13
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 8
- 230000002441 reversible effect Effects 0.000 claims description 7
- 230000007306 turnover Effects 0.000 claims description 5
- 238000009435 building construction Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 4
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 3
- 235000017491 Bambusa tulda Nutrition 0.000 description 3
- 241001330002 Bambuseae Species 0.000 description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 3
- 239000011425 bamboo Substances 0.000 description 3
- 230000009194 climbing Effects 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 239000011440 grout Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
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Classifications
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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
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/34—Extraordinary structures, e.g. with suspended or cantilever parts supported by masts or tower-like structures enclosing elevators or stairs; Features relating to the elastic stability
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
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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
- E04B5/17—Floor structures partly formed in situ
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/01—Reinforcing elements of metal, e.g. with non-structural coatings
- E04C5/06—Reinforcing elements of metal, e.g. with non-structural coatings of high bending resistance, i.e. of essentially three-dimensional extent, e.g. lattice girders
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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
- E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
- E04G11/06—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for walls, e.g. curved end panels for wall shutterings; filler elements for wall shutterings; shutterings for vertical ducts
- E04G11/08—Forms, which are completely dismantled after setting of the concrete and re-built for next pouring
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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
- E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
-
- 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
- E04G19/00—Auxiliary treatment of forms, e.g. dismantling; Cleaning devices
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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
-
- 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
- E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
- E04G3/28—Mobile scaffolds; Scaffolds with mobile platforms
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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
- E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
- E04G3/28—Mobile scaffolds; Scaffolds with mobile platforms
- E04G2003/286—Mobile scaffolds; Scaffolds with mobile platforms mobile vertically
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Abstract
A construction method for a connection node of a core tube and an outer frame steel bar truss floor support plate relates to the field of building construction. The construction method of the connection node of the core tube and the outer frame steel bar truss floor bearing plate comprises the steps of installing a wall body aluminum mold and an aluminum mold K plate with a slotted hole on a floor of a core tube shear wall to be poured, inserting an L-shaped connecting rib into the inner side of the aluminum mold K plate through the slotted hole, carrying out concrete pouring on the core tube shear wall to be poured, dismantling the wall body aluminum mold and a lower aluminum mold K plate and reserving an upper aluminum mold K plate, repeating the steps until the core tube shear wall is poured, dismantling and demolding the aluminum mold K plate, installing an outer frame steel beam and paving a steel bar truss, aligning the L-shaped connecting rib and anchoring the L-shaped connecting rib into the paved steel bar truss, and pouring to obtain the steel bar truss floor bearing plate. The construction method of the connecting node of the core tube and the outer frame steel bar truss floor bearing plate can reduce the demolding difficulty, improve the engagement degree and shear-resistant bearing capacity of the floor slab and the wall body at the connecting node, and avoid the influence on scaffold construction caused by the staggering of the L-shaped connecting ribs and the attached lifting scaffold.
Description
Technical Field
The application relates to the field of building construction, in particular to a construction method for a connection node of a core cylinder and an outer frame steel bar truss floor bearing plate.
Background
When a steel frame-reinforced concrete cylinder mixed structure system is adopted in a common super high-rise building, an attached lifting scaffold with high construction efficiency and an aluminum mould combined process are adopted in a core cylinder part of the super high-rise building to construct before a steel frame outside the core cylinder, and a floor outside the core cylinder is connected with a shear wall of the core cylinder in a reserved connecting rib mode. However, the anchoring length of the reserved connecting ribs on the outer floor of the cylinder is greater than the distance between the attached lifting scaffold and the cylinder, so that the climbing of the outer frame is influenced; in order to avoid the problem, the currently adopted method is to horizontally bend the reserved connecting bars along the wall surface and pour the reserved connecting bars into concrete, and when the strength of the concrete reaches the design requirement after the attached lifting scaffold is climbed, the connecting bars are stripped from the surface of the wall body one by one and straightened.
The defect of the solution is that the reinforcing steel bars are peeled off to damage the core tube wall to a certain degree, the reinforcing steel bars are peeled off with great difficulty, the work efficiency is low, a large amount of concrete fragments can be generated, meanwhile, the shear wall surface of the core tube body after the reinforcing steel bars are peeled off is uneven, when the concrete of the outer floor slab of the core tube is poured, slurry is easily leaked from the joint of the outer floor slab of the core tube, and the construction efficiency, the construction quality and the labor cost are all adversely affected.
Disclosure of Invention
An object of the application is to provide a construction method of a core section of thick bamboo and frame steel bar truss floor carrier plate connected node, can reduce the drawing of patterns degree of difficulty and improve the interlock degree and the anti-shear bearing capacity of connected node department floor and wall body to avoid L type splice bar and inserted lift scaffold to crisscross and influence scaffold climbing construction.
The embodiment of the application is realized as follows:
the embodiment of the application provides a construction method of a core tube and outer frame steel bar truss floor support plate connecting node, which comprises the following steps:
s1, attaching the attached lifting scaffold to the outer surface of the poured core tube shear wall;
s2, binding reinforcing steel bars of the core tube shear wall to be poured, installing the wall body aluminum mold and the aluminum mold K plate with the outer wall slotted hole at the floor of the core tube shear wall to be poured, and inserting one end of the L-shaped connecting bar into the inner side of the aluminum mold K plate from the outer side through the slotted hole;
s3, performing concrete pouring on the core tube shear wall to be poured, and then removing the wall body aluminum mould and the lower aluminum mould K plate and reserving the upper aluminum mould K plate;
s4, rotating and lifting the reversible baffle of the attached lifting scaffold upwards, and then rotating and unfolding the reversible baffle of the attached lifting scaffold to be attached to the outer surface of the cast core tube shear wall;
s5, repeating the steps S2-S4 until all the core tube shear walls are poured, vertically moving the aluminum mould K plate downwards, detaching and demoulding;
s6, folding and lifting the turnover baffle of the attached lifting scaffold upwards, installing an outer frame steel beam along the floor and paving a steel bar truss;
s7, straightening the L-shaped connecting bars one by one and anchoring the L-shaped connecting bars into the laid steel bar truss;
and S8, pouring concrete into the steel bar trusses between the core tube shear walls and the outer frame steel beams to obtain the steel bar truss floor bearing plates.
In some optional embodiments, when the wall body aluminum mold and the aluminum mold K plate with the outer wall grooved profile hole are installed at the floor of the core tube shear wall to be poured, the flat steel longitudinal rib is arranged on the outer wall of the aluminum mold K plate, and the flat steel longitudinal rib is fixedly connected with the corresponding aluminum mold K plate and the wall body aluminum mold by using the connecting bolt.
In some alternative embodiments, when the wall body aluminum mold and the aluminum mold K plate of the outer wall slotted hole are installed at the floor of the core tube shear wall to be cast, a foam plate for closing the slotted hole is arranged on the inner side of the aluminum mold K plate.
In some alternative embodiments, the lengths of the L-shaped connecting ribs inserted into and extended out of the aluminum die K plate are respectively 500-600mm and 100-200 mm.
In some alternative embodiments, the residual foam slab on the core barrel shear wall is removed when the aluminum die K-plate is removed for demolding.
The beneficial effect of this application is: the application provides a construction method of a core tube and outer frame steel bar truss floor support plate connecting node, which comprises the following steps: s1, attaching the attached lifting scaffold to the outer surface of the poured core tube shear wall; s2, binding reinforcing steel bars of the core tube shear wall to be poured, installing the wall body aluminum mould and the aluminum mould K plate of the outer wall slotted hole at the floor of the core tube shear wall to be poured, and inserting one end of the L-shaped connecting bar into the inner side of the aluminum mould K plate from the outer side through the hole; s3, performing concrete pouring on the core tube shear wall to be poured, and then removing the wall body aluminum mould and the lower aluminum mould K plate and reserving the upper aluminum mould K plate; s4, rotating and lifting the reversible baffle of the attached lifting scaffold upwards, and then rotating and unfolding the reversible baffle of the attached lifting scaffold to be attached to the outer surface of the cast core tube shear wall; s5, repeating the steps S2-S4 until all the core tube shear walls are poured, and detaching the aluminum die K plate for demolding; s6, folding and lifting the turnover baffle of the attached lifting scaffold upwards, installing an outer frame steel beam along the floor and paving a steel bar truss; s7, straightening the L-shaped connecting bars one by one and anchoring the L-shaped connecting bars into the laid steel bar truss; s8, pouring the steel bar trusses between the core tube shear walls and the outer frame steel beams to obtain the steel bar truss floor bearing plates. The application provides a core section of thick bamboo and frame steel bar truss building carrier plate connected node's construction method is through the type hole of slotting on aluminium mould K board, adopt the mode of vertical downward movement drawing of patterns, avoid receiving the influence of L type splice bar, thereby can reduce the drawing of patterns degree of difficulty and improve node junction floor and wall body's interlock degree and anti shear capacity, and can avoid reinforcing bar and adhesion formula lift scaffold frame operation platform space to crisscross and influence the scaffold frame and climb through prefabricated L type splice bar, the process of peeling off of reinforcing bar after having saved wall body concrete placement, show and promoted the efficiency of construction, save a large amount of human costs, and improved wall body surface and levelly and smoothly pleasing to the eye and quality, the production of a large amount of concrete disintegrating slag has still been avoided simultaneously, realize green construction.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.
Fig. 1 is a schematic view of a construction method of a connection node of a core tube and an outer frame steel bar truss floor support plate according to an embodiment of the present application;
fig. 2 is a schematic structural diagram of connection of adjacent aluminum mold K plates in the construction method of the connection node of the core tube and the outer frame steel bar truss floor support plate according to the embodiment of the present application.
In the figure: 100. a core barrel shear wall; 110. wall aluminum mould; 120. an aluminum die K plate; 121. a slot-shaped hole; 130. l-shaped connecting ribs; 140. an outer frame steel beam; 150. a steel bar truss; 160. a steel bar truss floor support plate; 170. flat steel longitudinal ribs; 180. a connecting bolt; 190. a foam board; 200. an attached lifting scaffold; 210. a baffle plate; 220. and (5) operating the platform.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the application usually place when in use, and are used only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the devices or elements being referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present application.
In the description of the present application, it is further noted that, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
The characteristics and performance of the construction method of the connection node of the core tube and the outer frame steel bar truss floor support plate according to the present application will be further described in detail with reference to the following embodiments.
As shown in fig. 1 and 2, an embodiment of the present application provides a construction method for a connection node between a core tube and an outer frame steel bar truss floor deck, which includes the following steps:
s1, attaching the attached lifting scaffold 200 to the outer surface of the cast core tube shear wall 100;
s2, binding reinforcing steel bars of the core tube shear wall 100 to be poured, installing the wall body aluminum mold 110 and the aluminum mold K plate 120 of the outer wall slotted hole 121 at the floor of the core tube shear wall 100 to be poured, and inserting one end of the L-shaped connecting rib 130 into the inner side of the aluminum mold K plate 120 from the outer side through the hole; the height of each aluminum die K plate 120 is 400mm, each aluminum die K plate 120 is provided with three groove-shaped holes 121 which are arranged at intervals along the length direction, the height of each groove-shaped hole 121 is 150mm, the width of each groove-shaped hole 121 is 20mm, when the wall body aluminum die 110 and the aluminum die K plate 120 with the outer wall provided with holes are installed at the floor 100 of the core tube shear wall to be poured, flat steel longitudinal ribs 170 which extend along the length direction are arranged on the outer wall of each aluminum die K plate 120, the inner side of each aluminum die K plate 120 is connected with a foam plate 190 which is used for closing the groove-shaped holes 121 to prevent slurry leakage, the flat steel longitudinal ribs 170 are fixedly connected with the corresponding aluminum die K plates 120 and the wall body aluminum die 110 by using connecting bolts 180 which are arranged at intervals along the length direction of the aluminum die K plates 120, the thickness of each flat steel longitudinal rib 170 is 10mm, the thickness of each foam plate 190 is 15mm, the width of each foam plate 190 is 200mm, and the bottom edge of each foam plate 190 is 50mm lower than the bottom wall 121 of each groove-shaped hole; the L-shaped connecting ribs 130 are HPB300 steel bars, the diameter of each L-shaped connecting rib is 10mm, the length of each long side is 700mm, the length of each short side is 400mm, and the lengths of the L-shaped connecting ribs 130 inserted into and extending out of the aluminum die K plate 120 are 600mm and 100mm respectively.
S3, performing concrete pouring on the core tube shear wall 100 to be poured, then dismantling the wall body aluminum mold 110 and the lower aluminum mold K plate 120 after the form removal condition is achieved, and reserving the upper aluminum mold K plate 120;
s4, rotating and folding the turnover baffle 210 hinged with the operation platform 220 of the attached lifting scaffold 200, lifting upwards, and then rotating and unfolding the turnover baffle 210 hinged with the operation platform 220 of the attached lifting scaffold 200 to be attached to the outer surface of the poured core tube shear wall 100;
s5, repeating the steps S2-S4 until all the core tube shear walls 100 are poured, detaching the aluminum mould K plate 120, demoulding, and removing the residual foam plates 190 on the core tube shear walls 100;
s6, folding and lifting the reversible baffle 210 hinged with the operation platform 220 of the attached lifting scaffold 200 upwards, installing an outer frame steel beam 140 along the floor and paving a steel bar truss 150;
s7, straightening one end of the L-shaped connecting rib 130 extending out of the core barrel shear wall 100 one by one and anchoring the L-shaped connecting rib into the corresponding laid steel bar truss 150;
and S8, pouring the steel bar trusses 150 between the core tube shear wall 100 and the outer frame steel beams to obtain the steel bar truss floor bearing plates 160.
According to the construction method of the connection node of the core tube and the outer frame steel bar truss floor support plate, the groove-shaped hole 121 is formed in the aluminum mold K plate 120, so that the aluminum mold K plate 120 can be vertically demolded downwards along the wall surface, the operation difficulty of demolding in a narrow space is reduced, meanwhile, the prefabricated L-shaped connecting rib 130 is inserted into the groove-shaped hole 121 in the aluminum mold K plate 120, the L-shaped connecting rib 130 extends out of the bending part of one end of the aluminum mold K plate 120, the L-shaped connecting rib 130 is prevented from being spatially staggered with the baffle 210 of the operation platform of the attached lifting scaffold 200 to influence the climbing of the attached lifting scaffold 200, and one end of the L-shaped connecting rib 130 extending out of the shear wall 100 of the core tube is aligned one by one and anchored into the corresponding laid steel bar truss 150 before the steel bar truss floor support plate 160 is poured; meanwhile, the foam board 190 is arranged on the inner wall of the aluminum mould K board 120 to seal the groove-shaped hole 121, concrete grout is prevented from leaking out of the groove-shaped hole 121 during pouring, the arranged foam board 190 is convenient to reserve the L-shaped connecting rib 130 and insert into the aluminum mould K board 120, and after demoulding, the foam board 190 is removed, so that the core tube shear wall 100 can form a shear groove of a post-pouring reinforcing steel bar floor bearing plate at the groove-shaped hole 121, the engagement degree of a floor and a wall at a joint is improved, and the shear bearing capacity of the joint position is improved. The construction method of core section of thick bamboo and frame steel bar truss building carrier plate connected node that this application embodiment provided is through reserving L type splice bar 130 fixed length and buckling, has saved the process of peeling off of wall body concrete placement back reinforcing bar, and the efficiency of construction is showing and is promoting, and it is obvious to save a large amount of human costs economic benefits advantages, and the wall body surfacing is pleasing to the eye, and the quality is more reliable, has still avoided the production of a large amount of concrete disintegrating slag simultaneously, realizes green building.
The embodiments described above are some, but not all embodiments of the present application. The detailed description of the embodiments of the present application is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Claims (5)
1. A construction method for a connection node of a core tube and an outer frame steel bar truss floor support plate is characterized by comprising the following steps:
s1, attaching the attached lifting scaffold to the outer surface of the poured core tube shear wall;
s2, binding reinforcing steel bars of the core tube shear wall to be poured, installing the wall body aluminum mold and the aluminum mold K plate with the outer wall slotted hole at the floor of the core tube shear wall to be poured, and inserting one end of the L-shaped connecting bar into the inner side of the aluminum mold K plate from the outer side through the slotted hole;
s3, performing concrete pouring on the core tube shear wall to be poured, and then removing the wall body aluminum mould and the lower aluminum mould K plate and reserving the upper aluminum mould K plate;
s4, rotating and lifting the reversible baffle of the attached lifting scaffold upwards, and then rotating and unfolding the reversible baffle of the attached lifting scaffold to be attached to the outer surface of the cast core tube shear wall;
s5, repeating the steps S2-S4 until all the core tube shear walls are poured, and vertically moving the aluminum die K plate downwards, detaching and demoulding;
s6, folding and lifting the turnover baffle of the attached lifting scaffold upwards, installing an outer frame steel beam along the floor and paving a steel bar truss;
s7, straightening the L-shaped connecting bars one by one and anchoring the L-shaped connecting bars into the laid steel bar truss;
and S8, pouring concrete into the steel bar trusses between the core tube shear walls and the outer frame steel beams to obtain the steel bar truss floor bearing plates.
2. The construction method of the connection node of the core tube and the outer frame steel bar truss floor bearing plate, as claimed in claim 1, is characterized in that when a wall body aluminum mold and an aluminum mold K plate with a grooved outer wall shaped hole are installed at a floor of a core tube shear wall to be poured, a flat steel longitudinal rib is arranged on the outer wall of the aluminum mold K plate, and the flat steel longitudinal rib is connected and fixed with the corresponding aluminum mold K plate and the wall body aluminum mold by using a connection bolt.
3. The construction method of the connection node of the core tube and the outer frame steel bar truss floor bearing plate as claimed in claim 1, wherein when the wall body aluminum mold and the aluminum mold K plate with the outer wall slotted holes are installed at the floor of the core tube shear wall to be poured, a foam plate for closing the slotted holes is arranged on the inner side of the aluminum mold K plate.
4. The construction method of the connection node of the core barrel and the outer frame steel bar truss floor bearing plate as claimed in claim 1, wherein the lengths of the L-shaped connection rib inserted into and extended out of the aluminum mould K plate are respectively 500-600mm and 100-200 mm.
5. The construction method of the connection node of the core tube and the outer frame steel bar truss floor support plate as claimed in claim 1, wherein when the aluminum mould K plate is dismounted and demoulded, the residual foam plate on the shear wall of the core tube is removed.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210598682.5A CN114892811A (en) | 2022-05-30 | 2022-05-30 | Construction method for connecting node of core tube and outer frame steel bar truss floor bearing plate |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210598682.5A CN114892811A (en) | 2022-05-30 | 2022-05-30 | Construction method for connecting node of core tube and outer frame steel bar truss floor bearing plate |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117703063A (en) * | 2024-02-05 | 2024-03-15 | 上海建工一建集团有限公司 | Ultra-high giant column integral steel platform formwork structure and construction method |
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2022
- 2022-05-30 CN CN202210598682.5A patent/CN114892811A/en active Pending
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|---|---|---|---|---|
| JPH0932175A (en) * | 1995-07-24 | 1997-02-04 | Shimizu Corp | Construction method of composite floor slab of reinforced truss and concrete |
| US20130341813A1 (en) * | 2012-06-13 | 2013-12-26 | Norton Baum | Self-Lifting Concrete Form Adapted To Accommodate Horizontal Reinforcing Steel |
| CN213806180U (en) * | 2020-09-11 | 2021-07-27 | 上海泾东建筑发展有限公司 | Cast-in-place shear force wall position reinforcement construction structures of assembled house |
Non-Patent Citations (1)
| Title |
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| 曾进伦、王聿、赖允瑾: "地下工程施工技术", vol. 1, 高等教育出版社, pages: 120 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117703063A (en) * | 2024-02-05 | 2024-03-15 | 上海建工一建集团有限公司 | Ultra-high giant column integral steel platform formwork structure and construction method |
| CN117703063B (en) * | 2024-02-05 | 2024-04-30 | 上海建工一建集团有限公司 | Ultra-high giant column integral steel platform formwork structure and construction method |
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Application publication date: 20220812 |