CN116220191A - Super high-rise residential refuge layer overhanging construction structure and construction method thereof - Google Patents

Super high-rise residential refuge layer overhanging construction structure and construction method thereof Download PDF

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Publication number
CN116220191A
CN116220191A CN202211446113.5A CN202211446113A CN116220191A CN 116220191 A CN116220191 A CN 116220191A CN 202211446113 A CN202211446113 A CN 202211446113A CN 116220191 A CN116220191 A CN 116220191A
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CN
China
Prior art keywords
construction
layer
refuge
scaffold
overhanging
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CN202211446113.5A
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Chinese (zh)
Inventor
黄旭栋
张文
周贤通
王琪
柯峻
骆雄军
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China Construction Fourth Engineering Division Corp Ltd
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China Construction Fourth Engineering Division Corp Ltd
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Priority to CN202211446113.5A priority Critical patent/CN116220191A/en
Publication of CN116220191A publication Critical patent/CN116220191A/en
Pending legal-status Critical Current

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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
    • 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
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
    • 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
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
    • E04B1/2403—Connection details of the elongated load-supporting parts
    • 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
    • E04G3/18—Scaffolds essentially supported by building constructions, e.g. adjustable in height supported by cantilevers or other provisions mounted in openings in the building, e.g. window openings
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mechanical Engineering (AREA)
  • Buildings Adapted To Withstand Abnormal External Influences (AREA)

Abstract

The invention provides a construction structure and a construction method for overhanging an refuge layer of an ultra-high-rise building, wherein the construction structure comprises the following steps: the cantilever structure comprises a plurality of main structure beams which at least penetrate through concrete structure walls in two-sided refuge layers and are horizontally arranged, wherein the upper ends of the main structure beams are in cross-lapping with at least one long-span secondary structure beam, and the main structure beams are also lapped with cantilever beams with single ends buried in the concrete structure walls in the refuge layers; the operation platform comprises a plurality of construction cross bars which are lapped on the main structural beam or attached to/penetrated through the secondary structural beam, a support vertical rod which is vertically arranged is detachably connected on the construction cross bar, a platform cross bar is horizontally buckled on the support vertical rod, the platform cross bar stretches into a room of the lower layer of the refuge layer, a plurality of scaffold vertical rods are arranged in the room of the lower layer of the refuge layer, the scaffold vertical rods are mutually buckled with the platform cross bar, and scaffold cross bars which are buckled with the lower ends of the support vertical rods and stretch into the room of the lower layer of the refuge layer and the scaffold vertical rods are buckled with the scaffold vertical rods are further arranged below the platform cross bar.

Description

Super high-rise residential refuge layer overhanging construction structure and construction method thereof
Technical Field
The invention relates to the technical field of super high-rise building refuge layer construction structures and construction processes, in particular to a super high-rise residential refuge layer overhanging construction structure and a construction method thereof.
Background
With the continuous promotion of the current city development level, the super high-rise building has gradually become the key engineering of construction field, and in order to further promote the safety in utilization and the stability of super high-rise building, need rationally set up the refuge layer. The refuge layer is a floor for temporarily avoiding fire and smoke hazard of people in the building, and can be used as a place for temporarily refuge and waiting for rescue for people with movement disorder. The shelter layer is mainly an overhanging structure and has a large-area overhanging layer floor.
The construction of the overhanging structure is troublesome in the high altitude of the super high-rise building, the overhanging size of the refuge layer is large, and when the climbing frame ascends to the refuge layer, the overhanging structure can prevent the climbing frame from continuing to lift, and the external attachment of the climbing frame needs to be changed in the high altitude. The patent No. CN114908960A provides a support system for construction of a refuge layer structure and a construction method thereof, wherein the support system mainly depends on a lower layer and a lower two-layer lap joint cantilever construction platform of the refuge layer, and further the refuge layer is constructed on the cantilever construction platform.
However, the middle construction structure is inconvenient in the process of lapping and dismantling, auxiliary construction is required to be carried out on multiple layers, and meanwhile, the working plane is located at the lower layer of the refuge layer, and the working plane is far away from the vertical distance of the region to be constructed of the refuge layer, so that a construction scaffold is required to be additionally erected on the working plane. After the construction of the structure is completed, the construction platform and the scaffold are removed, so that more barriers exist for the completion of the construction of the overhanging layer, and the construction period is correspondingly prolonged. Furthermore, the extension length of the cantilever beam in the refuge layer of the super high-rise residence is correspondingly longer, so that the requirements of the construction platform erected on the lower layer of the refuge layer and the lower layer of the refuge layer are correspondingly higher in order to meet the processing requirements, and the materials required for building the construction platform are correspondingly increased.
Disclosure of Invention
In order to solve the problems, the invention provides an overhanging construction structure of an ultra-high-rise residential refuge layer, comprising:
the cantilever structure comprises a plurality of main structure beams which at least penetrate through concrete structure walls in two refuge layers and are horizontally arranged, wherein the upper ends of the main structure beams are in cross staggered lap joint with at least one long-span secondary structure beam, and the main structure beams are also in lap joint with cantilever beams with single ends buried in the concrete structure walls in the refuge layers;
the operation platform comprises a plurality of construction cross bars which are lapped on the main structural beam or attached to/penetrated through the secondary structural beam, a support vertical rod which is arranged vertically is detachably connected on the construction cross bar, a platform cross bar is horizontally buckled on the support vertical rod, the platform cross bar stretches into a room of the lower layer of the refuge layer, a plurality of scaffold vertical rods are arranged in the room of the lower layer of the refuge layer, the scaffold vertical rods are mutually buckled with the platform cross bar, and scaffold cross bars which are buckled with the lower ends of the support vertical rods and stretch into the room of the lower layer of the refuge layer and are buckled with the scaffold vertical rods are also arranged below the platform cross bar.
As a further improvement, the cantilever structure is formed by overlapping I-steel, and the main structure beam, the secondary structure beam and the cantilever beam are locked through U-shaped anchoring pieces.
As a further improvement, the construction cross bars, the support upright bars, the platform cross bars, the scaffold cross bars and the scaffold upright bars are locked by fasteners.
As a further improvement, the supporting upright comprises a supporting rod body and a connecting rod body which are arranged in a split mode, an embedded sleeve is sleeved on the periphery of the supporting rod body and the periphery of the connecting rod body, through mounting holes are respectively formed in the upper end and the lower end of the embedded sleeve, through holes corresponding to the mounting holes are formed in the supporting rod body and the connecting rod body, and the supporting rod body and the connecting rod body are detachably connected through fastening bolts and nuts penetrating through the through holes and the mounting holes;
the construction cross rod and the connecting rod body are locked through a fastener.
As a further improvement, the scaffold cross bars and the platform cross bars are paved with pavement steel plates, and the platform cross bars are close to one side in the lower chamber of the refuge layer and are not paved with pavement steel plates.
As a further improvement, a protective rod is wound around the periphery of the supporting upright rod.
As a further improvement, the projection of the cantilever beam along the vertical direction completely falls into the area surrounded by the construction cross rod.
The invention also provides a construction method of the overhanging construction structure of the refuge layer of the super high-rise building, which is applied to the overhanging construction structure of the refuge layer of the super high-rise building, and comprises the following steps:
s1, sequentially installing the main structure beam, the secondary structure beam and the cantilever beam;
s2, sequentially installing the scaffold upright posts and the scaffold cross bars;
s3, sequentially installing the supporting vertical rod, the platform cross rod and the construction cross rod;
s4, performing cantilever structure construction;
s5, separating the support upright rod and the embedded sleeve after the construction of the cantilever structure is completed, and then sequentially disassembling the platform cross rod, the support upright rod, the scaffold cross rod and the scaffold upright rod to complete the construction.
As a further improvement, the step S1 further includes the steps of:
s101, a structural hole through which the main structural beam passes is formed in the structural wall of the refuge layer, and an overhanging hole through which the overhanging beam passes is formed in the structural wall of the refuge layer, wherein the overhanging hole is higher than the structural hole;
s102, installing a main structural beam and locking the main structural beam on the ground of a refuge layer through a U-shaped anchoring piece;
the cantilever beam is installed and locked on the main structural beam through the U-shaped anchoring piece, the part of the cantilever beam extending into the structural hole is fixedly provided with the bottom plate, and the bottom plate is attached to the inner wall surface of the structural wall and is locked through the fastening bolt;
s103, if at least two main structural beams exist, and the minimum distance between the two main structural beams is not smaller than 4-6 m, erecting a secondary structural beam between the two main structural beams through a U-shaped anchoring piece.
As a further improvement, the step S2 further includes the steps of:
s201, a wall hole through which a scaffold upright rod passes is formed in a floor layer of the refuge layer, and a wood backing plate is paved on the surface of the floor layer of the lower layer of the refuge layer;
s202, installing a scaffold upright rod, fastening the part of the scaffold upright rod extending out of the wall opening through a wall connecting piece, and installing a scaffold cross rod, wherein the part of the scaffold cross rod extending out of the periphery of the lower layer of the refuge layer is provided with a frame column by bypassing a wall attaching column.
The invention has the beneficial effects that:
1. the cantilever beam in the refuge layer of the super high-rise residential building is longer in extension length generally, and the cantilever beam is lapped on the main structural beam by arranging a plurality of I-beams which at least penetrate through the concrete structural wall in the two-sided refuge layer and are horizontally arranged to be used as the main structural beam, so that the cantilever beam is supported by the main structural beam, and compared with the cantilever beam which is only arranged on the single-end fixed re-structural wall surface in the traditional cantilever structure, the cantilever beam has stronger bearing effect. The main structural beam can become the structural beam part inside the cantilever structure after construction molding, and the installation is simpler and more convenient than the cantilever beam, and the bearing effect after the cantilever structure molding is also stronger.
2. Through setting up a plurality of overlap joints on the primary structure roof beam or attach to/run through the construction horizontal pole on the secondary structure roof beam, can dismantle vertical connection support pole setting on the construction horizontal pole to cooperation platform horizontal pole, scaffold frame vertical pole constitute "hang" the operation platform of primary structure roof beam below, constitute the bearing hoist and mount roof beam by the primary structure roof beam is direct, no longer need set up construction platform in the lower floor of refuge layer, set up the bracing that supports construction platform in the lower floor of refuge layer, set up complex construction structures such as the cable of tensioning cantilever beam in the upper strata of refuge layer, simplified construction platform's setting, shortened construction period and the building materials that consume.
3. Through set up the scaffold frame and with platform horizontal pole, support interconnect such as pole setting in the lower floor room of refuge layer, improved construction platform's steadiness and security, guaranteed constructor when the layer construction of encorbelmenting, reduced construction platform and encorbelment the distance between the layer simultaneously, more make things convenient for constructor to operate.
Drawings
Fig. 1 is a plan view of an overhanging construction structure of an ultra-high-rise residential refuge layer.
Fig. 2 is a sectional engineering drawing of an overhanging construction structure of an ultra-high-rise residential refuge layer.
Fig. 3 is a side view engineering drawing of an overhanging construction structure of an ultra-high-rise residential refuge layer.
Fig. 4 is a schematic diagram of the overall structure of the embedded sleeve of the present invention.
Fig. 5 is a schematic cross-sectional view of the embedding sleeve of the present invention.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, based on the embodiments of the invention, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the invention. Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.
In the description of the present invention, 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 or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature.
The invention provides an overhanging construction structure of an ultra-high-rise residential refuge layer, which comprises the following components:
the cantilever structure comprises a plurality of main structure beams 1 which at least penetrate through concrete structure walls in two-sided refuge layers and are horizontally arranged, wherein the upper ends of the main structure beams 1 are in cross staggered lap joint with at least one long-span secondary structure beam 2, and the main structure beams 1 are also in lap joint with cantilever beams 3 of which single ends are buried in the concrete structure walls in the refuge layers;
the operation platform comprises a plurality of construction cross bars 4 which are lapped on the main structural beam 1 or attached to/penetrated through the secondary structural beam 2, support vertical rods 5 which are vertically arranged are detachably connected on the construction cross bars 4, platform cross bars 6 are horizontally buckled on the support vertical rods 5, the platform cross bars 6 extend into the chambers of the lower layers of the refuge layers, a plurality of scaffold vertical rods 8 are arranged in the chambers of the lower layers of the refuge layers, the scaffold vertical rods 8 are mutually buckled with the platform cross bars 6, and scaffold cross bars 7 which are buckled with the chambers of the lower layers of the refuge layers and the scaffold vertical rods 8 are also arranged below the platform cross bars 6 and are buckled with the lower ends of the support vertical rods 5.
The construction crossbars 4 are crossed and staggered with each other and are positioned on the same horizontal plane, the platform crossbars 6 are crossed and staggered with each other and are positioned on the same horizontal plane, and the scaffold crossbars 7 are crossed and staggered with each other and are positioned on the same horizontal plane.
Specifically, as shown in fig. 1, the following requirements should be satisfied between the plurality of main structural beams 1: one is parallel to each other and positioned in the same horizontal plane; the maximum length of the non-fixed section of the main structural beam 1 with single end fixed is not more than 3 times of that of the fixed section.
Further, when the cantilever beams 3 to be processed are parallel to the main structural beams 1, the upper ends of at least two main structural beams 1 are lapped with the secondary structural beams 2, and the cantilever beams 3 are locked at the lower ends of the secondary structural beams 2 through U-shaped anchoring pieces.
As a further improvement, the cantilever structure is formed by overlapping I-steel, and the main structure beam 1, the secondary structure beam 2 and the cantilever beam 3 are locked by a U-shaped anchoring piece.
As a further improvement, the construction cross bar 4, the support upright 5, the platform cross bar 6, the scaffold cross bar 7 and the scaffold upright 8 are locked by fasteners.
As a further improvement, the supporting upright 5 comprises a supporting rod body and a connecting rod body which are arranged in a split manner, the periphery of the supporting rod body and the periphery of the connecting rod body are sleeved with a pre-buried sleeve 51, the upper end and the lower end of the pre-buried sleeve 51 are respectively provided with a through mounting hole 516, the supporting rod body and the connecting rod body are provided with through holes corresponding to the mounting holes 516, and the supporting rod body and the connecting rod body are detachably connected through fastening bolts and nuts penetrating through the through holes and the mounting holes 516;
specifically, the pre-buried sleeve 51 includes a bamboo-shaped connection portion with two open ends, a separation portion 513 is integrally formed on an inner wall of the connection portion, the separation portion 513 separates an inner portion of the connection portion into a support portion 512 and an embedded portion 511, the connection rod body is inserted and adapted to the embedded portion 511, and the support rod body is inserted and adapted to the support portion 512.
Further, the inner wall of the embedded portion 511 is provided with an internal thread, the outer periphery of the connecting portion is further integrally provided with a guiding portion 514 in a shape of a truncated cone, and the outer periphery of the guiding portion 514 extends outwards and then is folded upwards to form a receiving portion 515.
Because the cantilever construction structure provided by the invention is characterized in that the components such as the main structural beam 1, the secondary structural beam 2, the cantilever beam 3 and the construction cross rod 4 at the uppermost layer are finally reserved in the cantilever plate in the form of a cantilever plate framework, if a structure convenient for separating the support upright rod 5 from the cantilever plate is not arranged, the support upright rod 5 is cut and separated by a cutting tool after the construction is finished, the reuse of building materials is not facilitated, the working procedure is increased, the construction period is prolonged, and the original design requirement is contradicted. And through setting up pre-buried cover 51 and cutting apart support pole setting 5 and be supporting the body of rod and connecting the body of rod, realized that pre-buried cover 51 and connecting the body of rod remain in the board of encorbelmenting after the final construction is accomplished, only need dismantle fastening bolt and nut can with support pole setting 5 and encorbelment the board whole and separate.
Further, the guide portion 514 and the receiving portion 515 mainly prevent the concrete from condensing on the outer periphery of the support portion 512 when the concrete flows downward during the construction, and thus the separation is difficult.
The construction cross rod 4 and the connecting rod body are locked through a fastener.
As a further improvement, the scaffold cross bars 7 and the platform cross bars 6 are paved with pavement steel ballet pieces 9, and the side of the platform cross bars 6, which is close to the lower chamber of the refuge layer, is not paved with pavement steel ballet pieces 9.
As a further improvement, a protective rod is wound around the periphery of the supporting upright 5.
As a further improvement, the projection of the cantilever beam 3 along the vertical direction completely falls into the area surrounded by the construction cross bar 4.
The invention also provides a construction method of the overhanging construction structure of the refuge layer of the super high-rise building, which is applied to the overhanging construction structure of the refuge layer of the super high-rise building, and comprises the following steps:
s1, sequentially installing the main structural beam 1, the secondary structural beam 2 and the cantilever beam 3;
s2, sequentially installing the scaffold upright posts 8 and the scaffold cross bars 7;
s3, sequentially installing the supporting vertical rod 5, the platform cross rod 6 and the construction cross rod 4;
s4, performing cantilever structure construction;
s5, separating the supporting upright 5 from the embedded sleeve 51 after the construction of the cantilever structure is completed, and then sequentially disassembling the platform cross bar 6, the supporting upright 5, the scaffold cross bar 7 and the scaffold upright 8 to complete the construction.
As a further improvement, the step S1 further includes the steps of:
s101, a structural hole through which the main structural beam 1 passes is formed in the structural wall of the refuge layer, and an overhanging hole through which the overhanging beam 3 passes is formed in the structural wall of the refuge layer, wherein the overhanging hole is higher than the structural hole;
s102, installing a main structural beam 1, and locking the main structural beam on the ground of a refuge layer through a U-shaped anchoring piece;
the cantilever beam 3 is installed and locked on the main structural beam 1 through a U-shaped anchoring piece, a bottom plate is fixedly arranged at the part of the cantilever beam 3 extending into the structural hole, and the bottom plate is attached to the inner wall surface of the structural wall and locked through a fastening bolt;
s103, if at least two main structural beams 1 exist, and the minimum distance between the two main structural beams 1 is not smaller than 4-6 m, erecting a secondary structural beam 2 between the two main structural beams 1 through a U-shaped anchoring piece.
As a further improvement, the step S2 further includes the steps of:
s201, a wall hole through which a scaffold upright rod 8 passes is formed in a floor layer of the refuge layer, and a wood backing plate is paved on the surface of the floor layer of the lower layer of the refuge layer;
s202, installing a scaffold upright rod 8, fastening the part of the scaffold upright rod 8 extending out of a wall hole through a wall connecting piece, installing a scaffold cross rod 7, and arranging a frame column by winding the part of the scaffold cross rod 7 extending out of the periphery of the lower layer of the refuge layer around the wall attaching column.
As a further improvement, the step S3 further includes the steps of:
s301, erecting a supporting upright 5 and a platform cross bar 6 at the part of the scaffold cross bar 7 extending out of the lower outer wall of the shelter layer in a mode of overlapping the scaffold, erecting a construction cross bar 4 at the part of the supporting upright 5 extending out of the embedded sleeve 51 in a mode of overlapping the scaffold, and locking the construction cross bar 4 on the main structural beam 1 or the secondary structural beam 2;
s302, overlapping the platform cross bar 6 on a support rod body of the support vertical rod 5 in a mode of overlapping the scaffold.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, and various modifications and variations may be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The utility model provides a construction structure encorbelments in super high-rise house refuge layer which characterized in that includes:
the cantilever structure comprises a plurality of main structure beams which at least penetrate through concrete structure walls in two refuge layers and are horizontally arranged, wherein the upper ends of the main structure beams are in cross staggered lap joint with at least one long-span secondary structure beam, and the main structure beams are also in lap joint with cantilever beams with single ends buried in the concrete structure walls in the refuge layers;
the operation platform comprises a plurality of construction cross bars which are lapped on the main structural beam or attached to/penetrated through the secondary structural beam, a support vertical rod which is arranged vertically is detachably connected on the construction cross bar, a platform cross bar is horizontally buckled on the support vertical rod, the platform cross bar stretches into a room of the lower layer of the refuge layer, a plurality of scaffold vertical rods are arranged in the room of the lower layer of the refuge layer, the scaffold vertical rods are mutually buckled with the platform cross bar, and scaffold cross bars which are buckled with the lower ends of the support vertical rods and stretch into the room of the lower layer of the refuge layer and are buckled with the scaffold vertical rods are also arranged below the platform cross bar.
2. The construction structure of overhanging construction of refuge layer of super high-rise building according to claim 1, wherein the overhanging structure is formed by overlapping I-steel, and the main structural beam, the secondary structural beam and the overhanging beam are locked by U-shaped anchoring members.
3. The construction structure of the shelter layer of the super high-rise building according to claim 1, wherein the construction cross bars, the support upright bars, the platform cross bars, the scaffold cross bars and the scaffold upright bars are locked by fasteners.
4. The construction mechanism of overhanging shelter layer of super high-rise building as claimed in claim 3, wherein the supporting upright comprises a supporting rod body and a connecting rod body which are arranged in a split manner, the peripheries of the supporting rod body and the connecting rod body are sleeved with embedded sleeves, the upper end and the lower end of each embedded sleeve are respectively provided with a through mounting hole, the supporting rod body and the connecting rod body are provided with through holes corresponding to the mounting holes, and the supporting rod body and the connecting rod body are detachably connected through fastening bolts and nuts penetrating through the through holes and the mounting holes;
the construction cross rod and the connecting rod body are locked through a fastener.
5. The construction structure of the shelter layer of the super high-rise building according to claim 1, wherein the scaffold cross bars and the platform cross bars are paved with pavement steel plates, and the side, close to the lower chamber of the shelter layer, of the platform cross bars is not paved with pavement steel plates.
6. The construction structure of the shelter layer of the super high-rise building according to claim 1, wherein the periphery of the supporting upright rod is wound with a protective rod.
7. The construction structure of the super high-rise residential shelter layer overhanging construction structure of claim 1, wherein the projection of the overhanging beam along the vertical direction completely falls into the area surrounded by the construction cross bars.
8. The construction method of the overhanging construction structure of the refuge layer of the super high-rise building is characterized by being applied to the overhanging construction structure of the refuge layer of the super high-rise building according to any of claims 1-7, and comprises the following steps:
s1, sequentially installing the main structure beam, the secondary structure beam and the cantilever beam;
s2, sequentially installing the scaffold upright posts and the scaffold cross bars;
s3, sequentially installing the supporting vertical rod, the platform cross rod and the construction cross rod;
s4, performing cantilever structure construction;
s5, separating the support upright rod and the embedded sleeve after the construction of the cantilever structure is completed, and then sequentially disassembling the platform cross rod, the support upright rod, the scaffold cross rod and the scaffold upright rod to complete the construction.
9. The construction method of the overhanging construction structure of the refuge layer of the super high-rise building according to claim 8, wherein the step S1 further comprises the steps of:
s101, a structural hole through which the main structural beam passes is formed in the structural wall of the refuge layer, and an overhanging hole through which the overhanging beam passes is formed in the structural wall of the refuge layer, wherein the overhanging hole is higher than the structural hole;
s102, installing a main structural beam and locking the main structural beam on the ground of a refuge layer through a U-shaped anchoring piece;
the cantilever beam is installed and locked on the main structural beam through the U-shaped anchoring piece, the part of the cantilever beam extending into the structural hole is fixedly provided with the bottom plate, and the bottom plate is attached to the inner wall surface of the structural wall and is locked through the fastening bolt;
s103, if at least two main structural beams exist, and the minimum distance between the two main structural beams is not smaller than 4-6 m, erecting a secondary structural beam between the two main structural beams through a U-shaped anchoring piece.
10. The construction method of the overhanging construction structure of the refuge layer of the super high-rise building according to claim 8, wherein the step S2 further comprises the steps of:
s201, a wall hole through which a scaffold upright rod passes is formed in a floor layer of the refuge layer, and a wood backing plate is paved on the surface of the floor layer of the lower layer of the refuge layer;
s202, installing a scaffold upright rod, fastening the part of the scaffold upright rod extending out of the wall opening through a wall connecting piece, and installing a scaffold cross rod, wherein the part of the scaffold cross rod extending out of the periphery of the lower layer of the refuge layer is provided with a frame column by bypassing a wall attaching column.
CN202211446113.5A 2022-11-18 2022-11-18 Super high-rise residential refuge layer overhanging construction structure and construction method thereof Pending CN116220191A (en)

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CN202211446113.5A CN116220191A (en) 2022-11-18 2022-11-18 Super high-rise residential refuge layer overhanging construction structure and construction method thereof

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Application Number Priority Date Filing Date Title
CN202211446113.5A CN116220191A (en) 2022-11-18 2022-11-18 Super high-rise residential refuge layer overhanging construction structure and construction method thereof

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CN116220191A true CN116220191A (en) 2023-06-06

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