CN115233980A - Overhanging incremental structure arrangement construction method - Google Patents
Overhanging incremental structure arrangement construction method Download PDFInfo
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- CN115233980A CN115233980A CN202211007742.8A CN202211007742A CN115233980A CN 115233980 A CN115233980 A CN 115233980A CN 202211007742 A CN202211007742 A CN 202211007742A CN 115233980 A CN115233980 A CN 115233980A
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- stepping
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- lattice
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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
- E04G13/00—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills
- E04G13/06—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills for stairs, steps, cornices, balconies, or other parts corbelled out of the wall
- E04G13/066—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills for stairs, steps, cornices, balconies, or other parts corbelled out of the wall for overhangs
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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
- E04G11/36—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for floors, ceilings, or roofs of plane or curved surfaces end formpanels for floor shutterings
- E04G11/48—Supporting structures for shutterings or frames for floors or roofs
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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Abstract
The invention discloses a construction method for arranging an overhanging incremental structure, which belongs to the field of fastener type scaffold engineering and comprises a first-layer stepping high-support formwork, a second-layer stepping high-support formwork, a third-layer stepping high-support formwork, a vertical cross brace, a horizontal cross brace, a zigzag brace and the like, wherein the construction method comprises the following steps: combining the structural form of the scaffold with the structure, arranging the bridging components in an increasing structure high formwork to form an independent stepping lattice supporting body, arranging the planes of the independent stepping lattice supporting bodies according to the interval not more than 10000mm, taking a scaffold upright rod at the edge of an increasing overhanging plate as a boundary between the two independent stepping lattice supporting bodies, longitudinally connecting by adopting a zigzag support, arranging vertical bridging components on the periphery of each independent stepping lattice supporting body, taking the scaffold upright rod at the outer edge of the increasing overhanging plate as a boundary in the middle, and longitudinally arranging vertical bridging from top to bottom on the independent stepping lattice supporting bodies; the invention forms an effective lattice body and enhances the stability of the frame body.
Description
Technical Field
The invention belongs to the field of fastener type scaffold engineering, and particularly relates to an arrangement construction method of an overhanging incremental structure.
Background
At present, in order to reach appearance facade effect among the building engineering, public building very much, for example administrative service center, culture library, library etc, the designer designs the unique sanction of molding, a large amount of back taper structures are highlighted, the board of choosing of upper story all chooses the board width than the one deck down, form the visual sense, the aesthetic feeling, win the recognition in market, the structure support frame who chooses the board position at every layer of this kind of structure work progress main performance is high formwork, at the scaffold frame bridging subassembly formation lattice column reinforcement stability in-process of arranging, arrange more in a jumble, effectual lattice body has not been formed, support body stability is relatively poor, the incident that arouses is more, construction experience is in the past: the arrangement of the high-support formwork bridging components is only according to the standard requirements, the reinforcement quantity reaches the level of the reinforcement quantity, the structural form is not combined, the stability is poor, the arrangement effect is poor, a large amount of manpower, material resources and financial resources are wasted, and the safety accidents are caused to bring huge social influence and economic loss.
Disclosure of Invention
In order to solve the technical problems, the inventor obtains the technical scheme of the invention through practice and summary, and the invention discloses a construction method for arranging an overhanging incremental structure, which is characterized by comprising the following steps of:
the method comprises the following steps: after the incremental structure high formwork support is erected, a stepping lattice support body needs to be formed, the stepping lattice support body needs to be arranged from the end part of a frame body, if the incremental structure high formwork support is in a continuous ring shape, the incremental structure high formwork support body is arranged in two directions of the corner part of the incremental structure high formwork support body simultaneously and serves as the first stepping lattice support body, the two stepping lattice support bodies at the corner part form 90 degrees, and then the incremental structure high formwork support body is distributed and arranged towards the middle at intervals of distances not more than 10000 mm;
step two: the zigzag support or the cross support assembly is arranged between the two stepping lattice supports and is vertically arranged according to a connecting line which is in correspondence with the stepping end of the stepping lattice support as a boundary, so that the incremental structure high-support mold frame forms a stable structure longitudinally and transversely;
when each layer of stepping high-support die frame exceeds 8m, two adjacent stepping lattice support bodies are connected by a cross bracing assembly;
step three: the cross brace assembly comprises vertical cross braces and horizontal cross braces, and the periphery of the plane of the stepping lattice support body is arranged by the vertical cross braces;
the middle part is divided into upright rods of the first row of scaffolds outside each layer of the gradually-increased overhanging edge, and a cross brace component is longitudinally arranged at the periphery of the stepping lattice support body;
arranging vertical cross braces within the range, and then arranging continuous horizontal cross braces on the floor sweeping rod layer of the scaffold according to grids formed by the vertical cross braces; finally, arranging horizontal cross braces at the top ends of the stepping high-support die frames corresponding to the horizontal cross braces;
when each layer of stepping high-support formwork exceeds 8m, a horizontal cross brace is added in the middle of the framework corresponding to the horizontal cross brace at the bottom layer or the top layer in the middle of the stepping high-support formwork, and the intersection points or lines of the vertical cross braces and the horizontal cross braces must fall on the same scaffold upright post, so that the staggered connection is strictly forbidden;
step four: the bridging should be connected with the pole setting, and the overlap joint needs 3 to turn to the fastener and connects, and 100mm is reserved to the end, and the bridging contained angle should be between 45 ~ 60, and the root of vertical bridging should be tight with ground top.
The incremental structure high-support formwork formed by the method is a fastener type steel pipe and comprises a one-layer stepping high-support formwork, a two-layer stepping high-support formwork, a three-layer stepping high-support formwork, vertical cross braces, horizontal cross braces, Z-shaped braces and the like, and a construction method for arranging the cross braces of the structure is mainly proposed; then every lattice support independently marks time, vertical bridging is arranged to the border, the centre is according to increasing progressively the board outward flange scaffold frame pole setting of encorbelmenting and is the boundary, vertical bridging is vertically arranged from the top down at the lattice support independently marks time, the high formwork lower part of marking time structure sets up continuous horizontal bridging according to vertical bridging at the division of the lattice support of marking time, the high formwork top of marking time corresponds the setting at every layer, it is clear to have guaranteed like this to set up the thinking, the operating personnel sets up the accuracy, and can guarantee that every lattice support independently marks time forms independent stability. When the erection height of one or more layers of stepping high-support die frames exceeds 8m or 20m, each layer of stepping high-support die frame is separated out in the scissor support arrangement system according to the specification, and a horizontal scissor support and a part of zigzag supports are additionally arranged in the middle to form the scissor supports.
In a further technical scheme, the incremental structure high formwork support at least comprises a one-layer stepping high formwork support, a two-layer stepping high formwork support and a three-layer stepping high formwork support, wherein the one-layer stepping high formwork support, the two-layer stepping high formwork support and the three-layer stepping high formwork support are sequentially and highly incrementally increased.
In a further technical scheme, the top of one deck height formwork frame of marking time sets up and installs the one deck and increases progressively the board of encorbelmenting, the top of two layers height formwork frame of marking time sets up and installs two layers and increases progressively the board of encorbelmenting, the top of three layers height formwork frame of marking time sets up and installs the three-layer and increases progressively the board of encorbelmenting.
Compared with the prior art, the invention can obtain the following technical effects:
the invention changes the traditional integral mode that square lattice columns are formed in a scaffold body through scissor support arrangement according to the specification, each lattice column is connected into a whole body by adopting a zigzag support or a scissor support, when the top end of each independent square lattice column meets the height difference, a closed whole body cannot be formed, so that the height difference section of the top end of each independent square lattice column is easy to be unstable, when the independent square lattice column is connected with the independent square lattice column by adopting the zigzag support or the scissor support, the sub-character support or the scissor support between the independent square lattice columns cannot reach the top of the highest independent square lattice column, so that the free end of part of the independent square lattice column is generated, the stress is not uniform, and the integral scaffold body is unstable.
Compared with the prior construction process, the invention has the following advantages:
(1) Arrange into the lattice support body of marking time through the bridging, transversely run through whole increase gradually board tangent plane of encorbelmenting, whole closed forms the structure of marking time, and the perpendicular to encorbelments and increases gradually the structure, can effectively resist the minor face power of toppling that increases gradually structure high formwork 1, plays the stabilizing effect.
(2) The step lattice support body transversely selects different widths according to the incremental cantilever structure to adjust the step surface width of each layer of step high formwork support, the longitudinal width is 4000 mm-6000 mm, the cross bracing arrangement is clear and clear, the setting process is simple and easy to understand, the setting process is not easy to make mistakes, the checking and acceptance rework are avoided, the labor cost is saved, and the quality and the safety of the support body are ensured.
The invention has good stability of the whole structure, reduces the occurrence of safety accidents, is particularly important and has certain social effect and economic effect.
Drawings
In order to more clearly illustrate the embodiments or prior art solutions of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic plan view of the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention.
In the figure: 1. a high formwork support with an incremental structure; 2. a layer of stepping high formwork support; 3. a two-layer step high formwork support; 4. three-layer step high formwork support; 5. a layer of incremental cantilever plate; 6. a second layer of incremental cantilever plates; 7. three layers of increasing cantilever plates; 8. a zigzag support; 9. a vertical scissor brace; 10. horizontal cross bracing; 11. a step lattice support.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the invention.
The application of the principles of the present invention will be further described with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 and 2:
a construction method for arranging an overhanging incremental structure comprises the following steps:
the method comprises the following steps: after the incremental structure high formwork support 1 is erected, a stepping lattice support body 11 needs to be formed, the stepping lattice support body 11 needs to be arranged from the end part of a frame body, if the incremental structure high formwork support 1 is in a continuous ring shape, the incremental structure high formwork support body is arranged in two directions of a corner part of the incremental structure high formwork support body at the same time and is used as the first stepping lattice support body 11, the two stepping lattice support bodies 11 in the corner part form 90 degrees, and then the incremental structure high formwork support body is distributed and arranged towards the middle at intervals of not more than 10000 mm; the space modulus of the vertical rod longitudinal distance of the frame body is met; the vertical rod is a vertical upward rod as shown in figure 2;
step two: a zigzag support 8 or a cross support assembly is arranged between the two stepping lattice supports 11, the zigzag support 8 or the cross support is vertically arranged according to a corresponding connecting line with the stepping end of the stepping lattice support 11 as a boundary, namely, a scaffold upright rod outside the edge of the incremental cantilever plate is used as a boundary, so that the incremental structure high-support formwork 1 forms a stable structure longitudinally and transversely;
when each layer of stepping high-support formwork exceeds 8m, two adjacent stepping lattice supports 11 are connected by a cross bracing assembly;
step three: the cross brace assembly comprises vertical cross braces 9 and horizontal cross braces 10, and the periphery of the plane of the stepping lattice support body 11 is arranged by the vertical cross braces 9;
the middle part is divided into upright rods of the first row of scaffolds outside each layer of the gradually-increased overhanging edge, and a cross brace component is longitudinally arranged on the periphery of the stepping lattice support body 11;
arranging vertical cross braces 9 in the range, and then arranging continuous horizontal cross braces 10 on the floor sweeping rod layer of the scaffold according to grids formed by the vertical cross braces 9; finally, arranging the horizontal cross braces 10 at the top ends of the stepping high-support mould frames corresponding to the horizontal cross braces 10;
when each layer of stepping high-support formwork exceeds 8m, a horizontal bridging 10 is added in the middle of the frame body corresponding to the bottom layer or top layer horizontal bridging 10 in the middle of the layer of stepping high-support formwork, and the intersection point or line of the vertical bridging 9 and the horizontal bridging 10 must fall on the same scaffold upright rod, so that the staggered connection is forbidden;
step four: the bridging subassembly should be connected with the pole setting, and the overlap joint needs 3 to turn to the fastener and connect, and 100mm is reserved to the end, and bridging subassembly contained angle should be between 45 ~ 60, and the root of vertical bridging 9 should be tight with ground top.
The incremental structure high-support die frame 1 formed by the method is a fastener type steel pipe and comprises a first-layer step high-support die frame 2, a second-layer step high-support die frame 3, a third-layer step high-support die 4, vertical cross braces 9, horizontal cross braces 10, Z-shaped braces 8 and the like, and the arrangement construction method is mainly provided for the arrangement of the cross brace components of the structure; then every lattice supporter 11 independently marks time, vertical bridging 9 is arranged to the periphery, the centre is according to increasing progressively the board outward flange scaffold frame pole setting of encorbelmenting and is the boundary, vertical bridging 9 is arranged from top to bottom in lattice supporter 11 independently marks time, 1 lower part sets up continuous horizontal bridging 10 according to vertical bridging 9 in the division of lattice supporter 11 of marking time in the lattice supporter 11 of increasing progressively structure, the top of the high-branch die body 11 of marking time at every layer corresponds the setting, it is clear to have guaranteed like this to set up the thinking, the operation personnel set up the accuracy, and can guarantee that every lattice supporter 11 of independently marking time forms independent stability. When the building height of one or more layers of stepping high-support die frames exceeds 8m or 20m, each layer of stepping lattice support 11 is separated in the above cross brace component arrangement system according to the specification, and a horizontal cross brace 10 and a zigzag brace 8 are added in the middle to form a cross brace component.
The gradually-increased-structure high-support die carrier 1 at least comprises a one-layer stepping high-support die carrier 2, a two-layer stepping high-support die carrier 3 and a three-layer stepping high-support die carrier 4, wherein the one-layer stepping high-support die carrier 2, the two-layer stepping high-support die carrier 3 and the three-layer stepping high-support die carrier 4 are sequentially and highly gradually increased.
The top setting of one deck height formwork support 2 is installed one deck and is increased progressively board 5 of encorbelmenting, the top setting of two layers height formwork support 3 is installed two layers and is increased progressively board 6 of encorbelmenting, the top setting of three-layer height formwork support 4 is installed the three-layer and is increased progressively board 7 of encorbelmenting.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present specification describes embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and it is to be understood that all embodiments may be combined as appropriate by one of ordinary skill in the art to form other embodiments as will be apparent to those of skill in the art from the description herein.
Claims (3)
1. A construction method for arranging an overhanging incremental structure is characterized by comprising the following steps:
the method comprises the following steps: after the incremental structure high-formwork support frame is erected, a stepping lattice support body needs to be formed, the stepping lattice support body needs to be arranged from the end part of a frame body, if the incremental structure high-formwork support frame is in a continuous ring shape, the incremental structure high-formwork support frame is arranged in two directions of a corner part of the incremental structure high-formwork support frame at the same time and serves as the first stepping lattice support body, the two stepping lattice support bodies in the corner part form 90 degrees, and then the incremental structure high-formwork support frame is distributed and arranged towards the middle part at intervals of distances not more than 10000 mm;
step two: the zigzag or cross brace assembly is arranged between the two stepping lattice support bodies, and the zigzag or cross brace is vertically arranged according to the stepping end of the stepping lattice support body as a boundary corresponding to a connecting line, so that the high formwork support of the incremental structure forms a stable structure in the longitudinal and transverse directions;
when each layer of stepping high-support mold frame exceeds 8m, two adjacent stepping lattice supports are connected by a cross-brace assembly;
step three: the cross brace assembly comprises vertical cross braces and horizontal cross braces, and the periphery of the plane of the stepping lattice support body is arranged by the vertical cross braces;
the middle part is divided into upright rods of the first row of scaffolds outside each layer of the gradually-increased overhanging edge, and a cross brace component is longitudinally arranged at the periphery of the stepping lattice support body;
arranging vertical cross braces within the range, and then arranging continuous horizontal cross braces on the floor sweeping rod layer of the scaffold according to grids formed by the vertical cross braces; finally, arranging horizontal cross braces at the top ends of the stepping high-support die frames corresponding to the horizontal cross braces;
when each layer of stepping high-support formwork exceeds 8m, a horizontal cross brace is added in the middle of the framework corresponding to the horizontal cross brace at the bottom layer or the top layer in the middle of the stepping high-support formwork, and the intersection points or lines of the vertical cross braces and the horizontal cross braces must fall on the same scaffold upright post, so that the staggered connection is strictly forbidden;
step four: the bridging subassembly should be connected with the pole setting, and the overlap joint needs 3 to turn to the fastener and connect, and 100mm is reserved to the end, and the bridging subassembly contained angle should be between 45 ~ 60, and the root of vertical bridging should be tight with ground top.
2. The cantilever incremental structure arrangement construction method according to claim 1, wherein: the step-up structure high formwork support at least comprises a one-layer step high formwork support, a two-layer step high formwork support and a three-layer step high formwork support, wherein the one-layer step high formwork support, the two-layer step high formwork support and the three-layer step high formwork support are sequentially and gradually increased in height.
3. The cantilever incremental structure arrangement construction method according to claim 1, wherein: the top of the first-layer stepping high-support die frame is provided with a first-layer incremental cantilever plate, the top of the second-layer stepping high-support die frame is provided with a second-layer incremental cantilever plate, and the top of the third-layer stepping high-support die frame is provided with a third-layer incremental cantilever plate.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211007742.8A CN115233980B (en) | 2022-08-22 | 2022-08-22 | Cantilever incremental structure arrangement construction method |
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| CN202211007742.8A CN115233980B (en) | 2022-08-22 | 2022-08-22 | Cantilever incremental structure arrangement construction method |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6848221B1 (en) * | 2002-11-01 | 2005-02-01 | The Ruhlin Company | Overhang falsework |
| CN110424733A (en) * | 2019-06-28 | 2019-11-08 | 中国十七冶集团有限公司 | A kind of high-altitude long-span overhung exempts from floor-type support structure and its construction method |
| CN211257756U (en) * | 2019-10-16 | 2020-08-14 | 上海建工一建集团有限公司 | Progressive overhanging structure aiming at complex outer vertical surface modeling |
| CN113550578A (en) * | 2021-06-18 | 2021-10-26 | 中国五冶集团有限公司 | High-altitude overhanging structure formwork support and upper protection system construction method |
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2022
- 2022-08-22 CN CN202211007742.8A patent/CN115233980B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6848221B1 (en) * | 2002-11-01 | 2005-02-01 | The Ruhlin Company | Overhang falsework |
| CN110424733A (en) * | 2019-06-28 | 2019-11-08 | 中国十七冶集团有限公司 | A kind of high-altitude long-span overhung exempts from floor-type support structure and its construction method |
| CN211257756U (en) * | 2019-10-16 | 2020-08-14 | 上海建工一建集团有限公司 | Progressive overhanging structure aiming at complex outer vertical surface modeling |
| CN113550578A (en) * | 2021-06-18 | 2021-10-26 | 中国五冶集团有限公司 | High-altitude overhanging structure formwork support and upper protection system construction method |
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