CN113931430B - High-altitude overhanging structure curtain wall installation and construction method - Google Patents
High-altitude overhanging structure curtain wall installation and construction method Download PDFInfo
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- 238000010276 construction Methods 0.000 title claims abstract description 83
- 238000009434 installation Methods 0.000 title claims description 8
- 238000000034 method Methods 0.000 claims abstract description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 46
- 239000010959 steel Substances 0.000 claims description 46
- 238000004364 calculation method Methods 0.000 claims description 5
- 238000004873 anchoring Methods 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims 1
- 239000000565 sealant Substances 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
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- 208000002173 dizziness Diseases 0.000 description 1
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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
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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
- E04B1/38—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
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/66—Sealings
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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
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/88—Curtain walls
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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
- E04G21/14—Conveying or assembling building elements
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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
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
- E04G23/0203—Arrangements for filling cracks or cavities in building constructions
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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
- E04G3/30—Mobile scaffolds; Scaffolds with mobile platforms suspended by flexible supporting elements, e.g. cables
- E04G3/32—Hoisting devices; Safety 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
- E04G5/00—Component parts or accessories for scaffolds
-
- 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
- E04G5/00—Component parts or accessories for scaffolds
- E04G5/001—Safety or protective measures against falling down relating to scaffoldings
-
- 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
- E04G5/00—Component parts or accessories for scaffolds
- E04G5/007—Devices and methods for erecting scaffolds, e.g. automatic scaffold erectors
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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
- E04G5/00—Component parts or accessories for scaffolds
- E04G5/04—Means for fastening, supporting, or bracing scaffolds on or against building constructions
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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
- E04G5/00—Component parts or accessories for scaffolds
- E04G5/04—Means for fastening, supporting, or bracing scaffolds on or against building constructions
- E04G5/045—Means for fastening, supporting, or bracing scaffolds on or against building constructions for fastening scaffoldings on profiles, e.g. I or H profiles
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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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Abstract
The invention discloses a high-altitude overhanging structure curtain wall mounting construction method, which comprises the following steps of: s1, setting various pre-buried facilities during concrete construction of a building main body floor; s2, constructing curtain walls below two layers of the bottom of the cantilever structure; s3, constructing a curtain wall of the cantilever structure; s4, constructing the curtain wall of the floor above the cantilever structure; s5, constructing two layers of curtain walls at the bottom of the cantilever structure; s6, the overhanging structure floor slab and the reserved perforation plugging are carried out. The method for installing and constructing the curtain wall of the high-altitude cantilever structure can effectively solve the difficult problem of constructing the curtain wall of the part of the floor below the bottom of the high-altitude cantilever structure, ensures the construction safety of operating personnel, is economical, reasonable, rapid and efficient, and has strong practicability and good application prospect.
Description
Technical Field
The invention belongs to the field of buildings, relates to curtain wall engineering installation and construction, and particularly relates to a high-altitude overhanging structure curtain wall installation and construction method.
Background
In order to meet the requirements of building functions and make the appearance of a building more distinctive and show architectural culture elements and product marketing concepts in a high-rise building, a high-altitude cantilever scheme is often adopted in structural design, and in order to meet the use functions of a cantilever structure and beautify the decorative effect, the cantilever structure is a building method which is combined with glass or an aluminum plate curtain wall and adopts a steel frame structure system.
Building curtain construction adopts to set up operation scaffold frame or uses the high altitude construction hanging flower basket to carry out the operation mostly, because operation scaffold frame uses the height to be restricted, and sets up the time longer, and ann tears the expense open higher, and has a great deal of potential safety hazard, consequently often adopts the high altitude construction hanging flower basket mode in high-rise building curtain construction, need promptly at structure floor or roofing installation hanging flower basket, carries out the outer facade curtain installation construction of building with the help of the hanging flower basket. Because the structure self characteristics of encorbelmenting makes the floor facade of encorbelmenting protrusion standard layer more, leads to encorbelmenting structure bottom and below partial floor curtain engineering can't be under construction with the help of the hanging flower basket, no matter be construction organization or safety in production all bring huge challenge.
Disclosure of Invention
Aiming at the problem of inconvenient construction of curtain walls with overhanging structures in the background technology, the invention provides a mounting and construction method of curtain walls with high-altitude overhanging structures, and the technical scheme of the construction method is as follows:
the invention relates to a high-altitude overhanging structure curtain wall mounting construction method, which comprises the following steps: s1, setting various pre-buried facilities during concrete construction of a building main body floor; s2, constructing curtain walls below two layers of the bottom of the cantilever structure; s3, constructing a curtain wall of the cantilever structure; s4, constructing a curtain wall of a floor above the cantilever structure; s5, constructing two layers of curtain walls at the bottom of the cantilever structure; s6, overhanging the structural floor slab and plugging the reserved through holes.
Further, in step S1, when concrete construction of each floor of the pre-buried facility needs to be performed in the building main body, according to design drawings, actual data measured in a construction site and construction requirements of a curtain wall, a construction scheme of various pre-buried facilities is obtained through calculation, and specifically, the method comprises the following steps: when a floor of a structure below the bottom of the cantilever structure is constructed, a plurality of U-shaped embedded bolts are arranged in a concrete structure of the floor according to the requirement of a construction scheme and are used for erecting a scaffold in the subsequent steps; when the construction of the overhanging floor structure floor is carried out, a reserved through hole is arranged in the floor concrete structure according to the requirements of a construction scheme and is used for vertically putting a hanging basket steel wire rope in the subsequent steps; and arranging an embedded hanging ring at the side of the cantilever structure beam according to the requirements of a construction scheme, and using the embedded hanging ring for unloading the steel wire rope for hanging in the subsequent steps.
Further, in step S2, when the main structure is constructed to the floor where the cantilever structure is located, hanging baskets are installed on the floor of the two-layer structure below the bottom of the cantilever structure, and curtain wall construction of the floor below the two layers of the bottom of the cantilever structure is carried out.
Further, in the step S3, cantilever I-shaped steel is installed on a structural floor below the bottom of the cantilever structure, the cantilever I-shaped steel is installed between the pre-embedded U-shaped bolts, the cantilever end of the cantilever I-shaped steel is connected with the pre-embedded hanging ring through an unloading steel wire rope, and the specification, the distance, the cantilever length and the floor anchoring length of the cantilever I-shaped steel are determined through calculation; erecting an operation scaffold on the upper part of the overhanging I-shaped steel, calculating and determining the distance between vertical rods of the operation scaffold, the step pitch and the like, and totally sealing the bottom and the outer side of the operation scaffold by adopting steel plates; after the overhanging scaffold is erected and the lattice is folded empirically, curtain wall construction at the bottom of the overhanging structure is carried out, the curtain wall at the part is typesetted and deepened in advance, reserved holes of a floor slab vertically correspond to splicing glue joints of curtain wall plates, so that hanging basket steel wire ropes can vertically penetrate the reserved holes in the subsequent step, and the operation scaffold and the overhanging I-steel are dismantled after the construction is finished; and (4) erecting a hanging basket on the roof of the top of the overhanging structure, constructing the curtain wall of the outer vertical surface of the overhanging structure, and dismantling the hanging basket after the construction is finished.
Further, in the step S4, when the main floor structure above the overhanging structure is capped, a hanging basket is erected on the roof, curtain wall construction of the floor above the overhanging structure is carried out, and the hanging basket is detached after the construction is finished.
Further, in the step S4, when the number of floors above the cantilever structure is large, in order to guarantee the construction progress, the part of the curtain wall engineering adopts a segmented construction mode.
Further, in the step S5, a hanging basket is installed on the floor of the overhanging structure, the hanging basket steel wire rope vertically penetrates through the reserved through hole of the floor and is placed on the ground, the hanging basket is installed, after the hanging basket is installed and qualified through inspection, construction of two layers of curtain walls at the bottom of the overhanging structure is carried out, the hanging basket is detached after construction is finished, and the hanging basket steel wire rope is pulled out.
Further, in step S6, after the hanging basket steel wire rope is drawn out, the reserved perforation plugging work is performed.
Compared with the prior art, the method for installing and constructing the curtain wall of the high-altitude overhanging structure can effectively solve the difficult problem of constructing the curtain wall of the part of the floor at the bottom of the high-altitude overhanging structure and below the bottom of the high-altitude overhanging structure, and meanwhile, ensures the construction safety of operators, is economical, reasonable, rapid and efficient, and has strong practicability and good application prospect.
Drawings
FIG. 1 is a schematic view of construction of curtain walls below two layers at the bottom of an overhanging structure in the invention;
FIG. 2 is a schematic view of the construction of a curtain wall of the overhanging structure of the invention;
FIG. 3 is a schematic construction view of a curtain wall of a floor above an overhanging structure in the invention;
FIG. 4 is a schematic construction view of two curtain walls at the bottom of the cantilever structure in the invention;
fig. 5 is a schematic diagram of plugging of the overhanging structural floor slab and the suspended bottom through hole in the invention.
In the figure: 1. curtain wall; 2. a hanging basket; 3. u-shaped embedded bolts; 4. reserving a perforation; 5. embedding a hanging ring; 6. a cantilever structure; 7. overhanging I-shaped steel; 8. operating the scaffold; 9. and (5) unloading the steel wire rope.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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 invention. Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. The terms "upper", "lower", "left", "right", "front", "rear", and the like used in the specification and claims of the present disclosure are used only to indicate relative positional relationships, and when the absolute position of the object to be described is changed, the relative positional relationships are changed accordingly; the terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. The present invention is not described in detail, but is known to those skilled in the art.
Referring to fig. 1 to 5, the method for installing and constructing the curtain wall of the high-altitude cantilever structure of the present invention includes the following steps: s1, setting various pre-buried facilities during concrete construction of a building main body floor; s2, constructing curtain walls below two layers of the bottom of the cantilever structure; s3, constructing a curtain wall of the cantilever structure; s4, constructing the curtain wall of the floor above the cantilever structure; s5, constructing two layers of curtain walls at the bottom of the cantilever structure; s6, the overhanging structure floor slab and the reserved perforation plugging are carried out.
In step S1, when concrete construction of each floor of the pre-buried facility needs to be performed in the building main body, according to the design drawing, actual data measured in the construction site, and construction requirements of the curtain wall 1, the construction schemes of various pre-buried facilities are obtained through calculation, and specifically: when a floor of a structure below the bottom of the cantilever structure 6 is constructed, a plurality of U-shaped embedded bolts 3 are arranged in a concrete structure of the floor according to the requirement of a construction scheme and are used for erecting an operation scaffold 8 in the subsequent step S3; when the construction of the overhanging floor structure floor is carried out, a reserved through hole 4 is arranged in the floor concrete structure according to the requirements of the construction scheme and is used for vertically releasing the steel wire rope of the hanging basket in the subsequent step S5; and arranging an embedded lifting ring 5 at the side of the cantilever structure beam according to the requirements of the construction scheme, and using the suspended lifting ring for unloading the steel wire rope in the subsequent step S3.
In step S2, when the main structure is constructed to the floor where the overhanging structure is located, the hanging basket 2 is installed on the floor of the two-layer structure below the bottom of the overhanging structure, and curtain wall construction of the floor below the two layers of the bottom of the overhanging structure is carried out.
In the step S3, mounting overhanging I-shaped steel 7 on a structural floor below the bottom of the overhanging structure, mounting the overhanging I-shaped steel between the pre-embedded U-shaped bolts, connecting the overhanging end of the overhanging I-shaped steel with the pre-embedded hanging ring by adopting an unloading steel wire rope 9, and calculating and determining the specification, the interval, the overhanging length and the floor anchoring length of the overhanging I-shaped steel; an operation scaffold is erected on the upper part of the overhanging I-shaped steel, the distance between the vertical rods of the operation scaffold, the step pitch and the like are determined through calculation, and the bottom and the outer side of the operation scaffold are totally closed by adopting steel plates and the like so as to prevent objects from being hit caused by dizziness and falling of operating personnel or falling of objects at high positions and ensure the operation safety; after the overhanging scaffold is erected and the lattice is folded empirically, curtain wall construction at the bottom of the overhanging structure is carried out, the curtain wall at the part is typeset and deepened in advance, reserved holes of a floor slab vertically correspond to splicing glue joints of curtain wall plates, so that a steel wire rope of a hanging basket can vertically penetrate the reserved holes in the subsequent step S5, and the operation scaffold and the overhanging I-shaped steel are dismantled after the construction is finished; and (4) erecting a hanging basket on the roof at the top of the cantilever structure, constructing the curtain wall of the outer vertical surface of the cantilever structure, and dismantling the hanging basket after the construction is finished.
In step S4, when the main floor structure above the overhanging structure is capped, a hanging basket is erected on the roof, curtain wall construction of the floor above the overhanging structure is carried out, and the hanging basket is dismantled after the construction is finished.
In step S4, when there are more floors above the overhanging structure, in order to ensure the construction progress, the part of the curtain wall engineering can also adopt a segmental construction mode, and the hanging basket is removed after the construction is finished.
In the step S5, a hanging basket is installed on the floor of the overhanging structure, a hanging basket steel wire rope vertically penetrates through a reserved through hole of the floor and is placed to the ground, a hanging basket is installed, after the hanging basket installation is finished and qualified through inspection, construction of two layers of curtain walls at the bottom of the overhanging structure is carried out, the hanging basket is detached after the construction is finished, and the hanging basket steel wire rope is drawn out.
In the step S6, after the hanging basket steel wire rope is drawn out, the reserved perforation plugging work is carried out, the reserved perforation of the curtain wall at the bottom of the overhanging structure is plugged by adopting weather-resistant sealant, and the reserved perforation of the structural floor is plugged by adopting structural sealant, so that the curtain wall at the bottom of the overhanging structure at the later stage is maintained and cleaned.
Claims (6)
1. A high-altitude overhanging structure curtain wall installation and construction method is characterized by comprising the following steps: the method comprises the following steps: s1, setting various pre-buried facilities during concrete construction of a building main body floor; s2, constructing curtain walls below two layers of the bottom of the cantilever structure; s3, constructing a curtain wall of the cantilever structure; s4, constructing a curtain wall of a floor above the cantilever structure; s5, constructing two layers of curtain walls at the bottom of the cantilever structure; s6, plugging the overhanging structural floor slab and the reserved through holes;
in the step S1, when concrete construction of each floor of the pre-buried facilities needs to be arranged in a building main body, according to design drawings, actual data measured on a construction site and construction requirements of curtain walls, construction schemes of various pre-buried facilities are obtained through calculation, and the concrete method specifically comprises the following steps: when a floor of a structure below the bottom of the cantilever structure is constructed, a plurality of U-shaped embedded bolts are arranged in a concrete structure of the floor according to the requirement of a construction scheme and used for erecting and using a scaffold in the subsequent steps; when the construction of the overhanging floor structure floor is carried out, a reserved through hole is arranged in the floor concrete structure according to the requirements of a construction scheme and is used for vertically putting a hanging basket steel wire rope in the subsequent steps; arranging an embedded hanging ring at the side of the cantilever structure beam according to the requirements of a construction scheme, and unloading the steel wire rope for hanging in the subsequent steps;
step S3, mounting overhanging I-shaped steel on a floor of a layer of structure below the bottom of the overhanging structure, mounting the overhanging I-shaped steel between the pre-embedded U-shaped bolts, connecting an overhanging end of the overhanging I-shaped steel with the pre-embedded hanging ring by adopting an unloading steel wire rope, and calculating and determining the specification, the interval, the overhanging length and the floor anchoring length of the overhanging I-shaped steel; erecting an operation scaffold on the upper part of the overhanging I-steel, calculating and determining the distance and the step pitch of upright rods of the operation scaffold, and totally sealing the bottom and the outer side of the operation scaffold by adopting steel plates; after the overhanging scaffold is erected and the lattice is folded by experience, constructing the curtain wall at the bottom of the overhanging structure, and typesetting and deepening the curtain wall at the part in advance to ensure that the reserved punched hole of the floor slab vertically corresponds to the splicing glue joint of the curtain wall plate so that a steel wire rope of a hanging basket can vertically penetrate through the reserved punched hole in the subsequent step, and dismantling the operating scaffold and the overhanging I-shaped steel after the construction is finished; and (4) erecting a hanging basket on the roof at the top of the cantilever structure, constructing the curtain wall of the outer vertical surface of the cantilever structure, and dismantling the hanging basket after the construction is finished.
2. The high-altitude overhanging structure curtain wall mounting construction method according to claim 1, characterized in that: in the step S2, when the main structure is constructed to the floor where the cantilever structure is located, hanging baskets are installed on the floor of the two-layer structure below the bottom of the cantilever structure, and curtain wall construction of the floor below the two layers of the bottom of the cantilever structure is carried out.
3. The high-altitude overhanging structure curtain wall mounting construction method according to claim 1, characterized in that: and S4, when the main floor structure above the cantilever structure is capped, erecting a hanging basket on the roof, constructing the curtain wall of the floor above the cantilever structure, and dismantling the hanging basket after construction is finished.
4. The high-altitude overhanging structure curtain wall mounting and constructing method according to claim 3, characterized in that: in the step S4, when the number of floors above the cantilever structure is large, in order to guarantee the construction progress, the part of curtain wall engineering adopts a segmented construction mode.
5. The high-altitude overhanging structure curtain wall mounting construction method according to claim 1, characterized in that: and S5, mounting a hanging basket on the floor of the overhanging structure, vertically penetrating a steel wire rope of the hanging basket through a reserved perforation of the floor and placing the steel wire rope to the ground, mounting a basket of the hanging basket, carrying out two-layer curtain wall construction at the bottom of the overhanging structure after the hanging basket is mounted and qualified through inspection, removing the basket of the hanging basket after the construction is finished, and drawing out the steel wire rope of the hanging basket.
6. The high-altitude overhanging structure curtain wall mounting and constructing method according to claim 1, characterized in that: and in the step S6, after the hanging basket steel wire rope is drawn out, the reserved perforation plugging work is carried out.
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