CN112127620A - Silo conical shell formwork support platform and erection method thereof - Google Patents
Silo conical shell formwork support platform and erection method thereof Download PDFInfo
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- CN112127620A CN112127620A CN202011108456.1A CN202011108456A CN112127620A CN 112127620 A CN112127620 A CN 112127620A CN 202011108456 A CN202011108456 A CN 202011108456A CN 112127620 A CN112127620 A CN 112127620A
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- silo
- lattice column
- cylindrical lattice
- formwork support
- support platform
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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
- E04G11/02—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for rooms as a whole by which walls and floors are cast simultaneously, whole storeys, or whole buildings
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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
- E04G11/04—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for structures of spherical, spheroid or similar shape, or for cupola structures of circular or polygonal horizontal or vertical section; Inflatable forms
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- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Abstract
The invention discloses a silo conical shell formwork support platform and an erection method thereof, and belongs to the field of platform erection. The device comprises a formwork support platform and a silo, wherein the formwork support platform is stretched on the inner wall of the silo; the formwork platform comprises a cylindrical lattice column and a cylindrical lattice column connecting beam, the cylindrical lattice column comprises an upper cylindrical lattice column ring beam and a lower cylindrical lattice column ring beam and a plurality of cylindrical section steel for connecting the two cylindrical lattice column ring beams, the cylindrical lattice column connecting beam is fixed in the cylindrical lattice column ring beam in a crossed manner, the cylindrical lattice column ring beam above the cylindrical lattice column ring beam is connected with the top of the silo in a welded manner through a plurality of uniformly distributed section steel, and the cylindrical lattice column ring beam below the cylindrical lattice column ring beam is fixedly connected with the tensioning assembly through a steel bar. A formwork support platform can be erected at any position of the silo, and the influence of wind load is avoided. Meanwhile, the cost and the construction period can be saved, the working efficiency is effectively improved, and a new mode is provided for the construction of the conical shell at the top of the silo.
Description
Technical Field
The invention relates to a silo conical shell formwork support platform and an erection method thereof, and belongs to the field of platform erection.
Background
The stability of the formwork support is a necessary condition for ensuring normal pouring of the silo conical shell concrete. The height of a common silo is 30-50 m, and some auxiliary structures need to be erected at the top of the silo, so that the construction of a conical shell at the top of the silo is a great difficulty in the construction process of silo engineering. Under normal conditions, the silo of silo uses the mode of creeping formwork to pour, when the awl shell construction in the top, sets up the support body on the creeping formwork, or sets up the scaffold frame from ground, extends to the position of top creeping formwork all the time. However, most silos are located in a relatively open position, the formwork support frame in the conical shell construction process can bear large wind load, and the formwork support frame is very dangerous to erect on the creeping formwork; and the formwork is supported through the ground, so that other structures exist in the silo on one hand, a horizontal supporting platform cannot be guaranteed, and in addition, the height of the frame body is too high, so that the construction period is wasted, and the construction of a scaffold worker is very dangerous. Therefore, more innovations are still needed for building the stable formwork support in the construction process of the silo conical shell.
Disclosure of Invention
The invention provides a silo conical shell formwork support platform and a building method thereof, which can save construction period and cost and facilitate building of the conical shell formwork support platform. By utilizing the structure, the formwork support platform can be erected at any position of the silo, the influence of wind load is avoided, and the erection height of the formwork support is reduced. Meanwhile, the use of steel pipes can be reduced, the cost and the construction period are saved, the working efficiency is effectively improved, and a new mode is provided for the construction of the conical shell at the top of the silo.
The technical scheme adopted by the invention is as follows:
a silo conical shell formwork support platform comprises a formwork support platform and a silo, wherein the formwork support platform is stretched on the inner wall of the silo; the formwork platform comprises a cylindrical lattice column and a cylindrical lattice column connecting beam, the cylindrical lattice column comprises an upper cylindrical lattice column ring beam and a lower cylindrical lattice column ring beam and a plurality of cylindrical section steel for connecting the two cylindrical lattice column ring beams, the cylindrical lattice column connecting beam is fixed in the cylindrical lattice column ring beam in a crossed manner, the cylindrical lattice column ring beam above the cylindrical lattice column ring beam is connected with the top of the silo in a welded manner through a plurality of uniformly distributed section steel, and the cylindrical lattice column ring beam below the cylindrical lattice column ring beam is fixedly connected with the tensioning assembly through a steel bar.
Further, the reinforcing steel bar tensioning assembly is specifically an adjustable telescopic component and reinforcing steel bars on two sides of the adjustable telescopic component, one end of the reinforcing steel bar tensioning assembly is fixed on the cylindrical lattice column ring beam located below through a bolt, and the other end of the reinforcing steel bar tensioning assembly is anchored on the inner wall of the silo through a reinforcing steel bar anchoring part.
Furthermore, reserved holes are formed in the inner wall of the silo corresponding to the steel bar anchoring parts, and steel bar tensioning assemblies can be anchored conveniently.
Furthermore, a reserved hole is formed in the joint of the top of the silo and the section steel, so that the section steel can be conveniently anchored on the inner wall of the silo.
Furthermore, the height of the formwork support platform stretched on the inner wall of the silo is adjusted according to the requirement.
Furthermore, the upper surface of the cylindrical lattice column and the section steel form a supporting system of the platform, and square timbers are laid on the supporting system, so that the upper structure can be erected.
Furthermore, the upper surface of the cylindrical lattice column and the section steel form a horizontal supporting system of the supporting platform.
A method for erecting a silo conical shell formwork support platform comprises the steps of reserving a steel bar anchoring piece (11) on the inner wall of a silo (3), lifting a cylindrical lattice column (4) to a designated position by using a tower crane, fixing a cylindrical lattice column ring beam (6) positioned below the cylindrical lattice column (4) on the inner wall of the silo (3) by using a steel bar tensioning assembly (2), fixing one end of the steel bar tensioning assembly (2) on the cylindrical lattice column ring beam (6) positioned below through a bolt, fixing the other end of the steel bar tensioning assembly on the reserved steel bar anchoring piece (11) on the inner wall of the silo (3), and adjusting the tensioning strength by adjusting the steel bar tensioning assembly (2); the method comprises the steps of erecting section steel (1) on the upper portion of a cylindrical lattice column (4), welding one end of the section steel (1) on a cylindrical lattice column ring beam (6) located above the cylindrical lattice column (4), anchoring the other end of the section steel (1) on the top end of the inner wall of a silo (3), and finally adjusting a steel bar tensioning assembly (2) again to further fix the cylindrical lattice column (4) so as to complete erection of a silo formwork support platform.
The invention has the beneficial effects that: utilize silo wall sufficient intensity itself, provide middle holding surface through cylinder type lattice column, for upper portion formwork support provides supporting platform, can rule out the influence of wind load promptly, also can reduce the cost that rises the support frame from ground and the waste of time limit for a project, can also satisfy the needs of upper portion formwork support, provide the novel technique of setting up of saving cost and time limit for a project to the construction of silo upper portion cone shell structure, can improve the security of support body simultaneously.
The structure makes full use of the wall of the silo cylinder as the structure attachment position, and increases the stability and the safety of the platform through the stretching of the bottom steel bars and the connection of the upper section steel.
The structure utilizes the silo wall as the structure attachment position, and effectively avoids the influence of wind load.
Drawings
FIG. 1 is a schematic illustration of a platform of the present invention;
FIG. 2 is a top view of the support mounting platform of the present invention;
FIG. 3 is a schematic view of a cylindrical lattice column of the present invention;
FIG. 4 is a schematic view of a reinforcement tension assembly of the present invention;
FIG. 5 is a schematic view of the construction of the present invention;
FIG. 6 is a schematic illustration of the lap joint of the present invention;
FIG. 7 is a drawing of a steel bar tension construction;
FIG. 8 is a labeled view of FIG. 7.
In the figure: 1. section steel; 2. a reinforcement tensioning assembly; 3. a silo; 4. a cylindrical lattice column; 5. a cylindrical lattice column coupling beam; 6. a cylindrical lattice column ring beam; 7. cylindrical section steel; 8. a bolt; 9. an adjustable telescoping member; 10. reinforcing steel bars; 11. and (6) anchoring the steel bars.
Detailed Description
The materials, methods and apparatus used in the following examples, which are not specifically illustrated, are conventional in the art and are commercially available to those of ordinary skill in the art.
In the following description of the present invention, it is to be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "top", "bottom", "inner", "outer" and "upright", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the following description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; the connection may be direct or indirect via an intermediate medium, or the connection may be internal to both components. To those of ordinary skill in the art, the specific meaning of the above-described terms in the present invention can be understood as a specific case.
In addition, in the following description of the present invention, the meaning of "plurality", and "plural" is two or more unless otherwise specified.
The present invention will be described in further detail with reference to the attached drawings, but the following detailed description is not to be construed as limiting the invention.
As shown in fig. 1-4, the silo conical shell formwork support platform comprises a cylindrical lattice column 4 and a silo 3, wherein the top of the cylindrical lattice column 4 is welded and fixed on the top of the inner wall of the silo 3 through section steel 1, and the bottom of the cylindrical lattice column 4 is fixed on the inner wall of the silo 3 through a steel bar tension assembly 2. Cylindrical lattice column 4 includes two upper and lower cylindrical lattice column ring beams 6, is used for connecting cylindrical shaped steel 7 and the cylindrical lattice column even distribution's of two cylindrical lattice column ring beams 6 cylindrical shaped steel 5 that links, cylindrical lattice column links roof beam 5 and is the cross shape, and tip fixed connection is to cylindrical lattice column ring beam 6 on.
The joint of the inner wall of the silo 3 and the section steel 1 is provided with a reserved hole, so that the section steel 1 can be conveniently anchored on the inner wall of the silo 3, and after the section steel 1 is anchored in the reserved hole, the reserved hole and concrete are grouted and sealed tightly, and the section steel 1 is prevented from sliding. One end of the section steel 1 is anchored to the inner wall of the silo 3, and the other end of the section steel is welded to the cylindrical lattice column ring beam 6 positioned above the silo.
The joint of the inner wall of the silo 3 and the reinforcing steel bar tensioning assembly 2 is provided with a reserved hole, a reinforcing steel bar 10 can conveniently penetrate through and be tensioned, and a reinforcing steel bar anchoring member 11 is preset in the position of the reserved hole. The main body of the steel bar tensioning assembly 2 is an adjustable telescopic component 9, the two ends of the steel bar tensioning assembly are connected with steel bars 10, one end of the steel bar tensioning assembly 2 is fixed on the cylindrical lattice column ring beam 6 below the steel bar tensioning assembly through bolts 8, and the other end of the steel bar tensioning assembly 10 is anchored on a reserved steel bar anchoring part 11.
The upper surface of the cylindrical lattice column and the section steel form a supporting system of the platform, and square wood is paved on the supporting system, so that the erection of an upper structure is facilitated. The upper surface of the cylindrical lattice column and the section steel form a horizontal supporting system of the supporting platform.
The section steel 1 can be I-shaped steel, channel steel and the like, and the requirement on the structural bearing capacity is met.
A method for erecting a silo conical shell formwork support platform comprises the following specific steps: reserving a steel bar anchoring part on the inner wall of the silo, lifting the cylindrical lattice column to a specified position by using a tower crane, fixing a cylindrical lattice column ring beam positioned below the cylindrical lattice column in the inner wall of the silo by using a steel bar tensioning assembly, fixing one end of the steel bar tensioning assembly on the cylindrical lattice column ring beam positioned below the cylindrical lattice column ring beam by using a bolt, fixing the other end of the steel bar tensioning assembly on the reserved steel bar anchoring part on the inner wall of the silo, and adjusting the tensioning strength by adjusting the steel bar tensioning assembly; and (3) erecting profile steel on the upper part of the cylindrical lattice column, welding one end of the profile steel on the cylindrical lattice column ring beam positioned above the cylindrical lattice column, anchoring the other end of the profile steel on the top end of the inner wall of the silo, and finally adjusting the steel bar tensioning assembly again to further fix the cylindrical lattice column to complete the erection of the silo formwork support platform.
The principle of the invention is to create a supporting platform in the silo, and the biggest difficulty is that the diameter of the silo is large and an acting point needs to be created in the middle. The conical lattice column is fixed at the central position of the silo by utilizing the sufficient strength of the silo wall and the reinforcing steel bar tension member and the section steel, so that an acting point at the central position of the silo is created, and a stable supporting platform is further obtained.
The structure is arranged inside the silo wall, so that the strength of the silo wall can be effectively utilized, the effect of wind load on the silo wall is avoided, and the influence of the wind load on the platform is effectively reduced.
Although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes and modifications can be made therein by those skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (8)
1. The utility model provides a silo conical shell formwork support platform which characterized in that: the silo conical shell formwork support platform comprises a formwork support platform and a silo (3), and the formwork support platform is stretched on the inner wall of the silo (3); the formwork support platform comprises a cylindrical lattice column (4) and a cylindrical lattice column connecting beam (5), the cylindrical lattice column (4) comprises an upper cylindrical lattice column ring beam (6) and a lower cylindrical lattice column ring beam (6) and a plurality of cylindrical section steel (7) connected with the two cylindrical lattice column ring beams (6), the cylindrical lattice column connecting beam (5) is fixed in the cylindrical lattice column ring beam (6) in a cross-shaped mode, the cylindrical lattice column ring beam (6) positioned on the upper side is connected with the top of a silo (3) through a plurality of uniformly distributed section steel (1) in a welded mode, and the cylindrical lattice column ring beam (6) positioned on the lower side is fixedly connected with a steel bar tensioning assembly (2).
2. The silo conical shell formwork support platform of claim 1, wherein: the steel bar tensioning assembly (2) is specifically an adjustable telescopic component (9) and steel bars (10) on two sides of the adjustable telescopic component, one end of the steel bar tensioning assembly (2) is fixed on a cylindrical lattice column ring beam (6) located below through a bolt, and the other end of the steel bar tensioning assembly is anchored on the inner wall of the silo (3) through a steel bar anchoring piece (11).
3. The silo conical shell formwork support platform of claim 2, wherein: the inner wall of the silo (3) is provided with a reserved hole corresponding to the steel bar anchoring piece (11), so that the steel bar tensioning assembly (2) can be conveniently anchored.
4. The silo conical shell formwork support platform of claim 1, wherein: the joint of the top of the silo (3) and the section steel (1) is provided with a reserved hole, so that the section steel (1) can be conveniently anchored on the inner wall of the silo (3).
5. The silo conical shell formwork support platform of claim 1, wherein: the height of the formwork support platform stretched on the inner wall of the silo (3) is adjusted according to the requirement.
6. The silo conical shell formwork support platform of claim 1, wherein: the upper surface of the cylindrical lattice column (4) and the section steel (1) form a supporting system of the platform, and square wood is paved on the supporting system, so that the erection of an upper structure is facilitated.
7. The silo conical shell formwork support platform of claim 1, wherein: the upper surface of the cylindrical lattice column (4) and the section steel (1) form a horizontal supporting system of the supporting platform.
8. A method for erecting a platform of a silo conical shell formwork support as claimed in claim 1, wherein the method comprises the following steps: reserving a steel bar anchoring part (11) on the inner wall of the silo (3), lifting the cylindrical lattice column (4) to a specified position by using a tower crane, fixing a cylindrical lattice column ring beam (6) positioned below the cylindrical lattice column (4) on the inner wall of the silo (3) by using a steel bar tensioning component (2), fixing one end of the steel bar tensioning component (2) on the cylindrical lattice column ring beam (6) positioned below through a bolt, fixing the other end of the steel bar tensioning component (2) on the steel bar anchoring part (11) reserved on the inner wall of the silo (3), and adjusting the tensioning strength by adjusting the steel bar tensioning component (2); the method comprises the steps of erecting section steel (1) on the upper portion of a cylindrical lattice column (4), welding one end of the section steel (1) on a cylindrical lattice column ring beam (6) located above the cylindrical lattice column (4), anchoring the other end of the section steel (1) on the top end of the inner wall of a silo (3), and finally adjusting a steel bar tensioning assembly (2) again to further fix the cylindrical lattice column (4) so as to complete erection of a silo formwork support platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011108456.1A CN112127620A (en) | 2020-10-16 | 2020-10-16 | Silo conical shell formwork support platform and erection method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011108456.1A CN112127620A (en) | 2020-10-16 | 2020-10-16 | Silo conical shell formwork support platform and erection method thereof |
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| CN112127620A true CN112127620A (en) | 2020-12-25 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113700360A (en) * | 2021-09-10 | 2021-11-26 | 河南实荣筒仓工程有限公司 | Novel airtight assembled steel sheet square bin |
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2020
- 2020-10-16 CN CN202011108456.1A patent/CN112127620A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113700360A (en) * | 2021-09-10 | 2021-11-26 | 河南实荣筒仓工程有限公司 | Novel airtight assembled steel sheet square bin |
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