CN110748155A - Support device for large-diameter silo conical hopper concrete construction template and construction method thereof - Google Patents
Support device for large-diameter silo conical hopper concrete construction template and construction method thereof Download PDFInfo
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- CN110748155A CN110748155A CN201911043457.XA CN201911043457A CN110748155A CN 110748155 A CN110748155 A CN 110748155A CN 201911043457 A CN201911043457 A CN 201911043457A CN 110748155 A CN110748155 A CN 110748155A
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- 238000010276 construction Methods 0.000 title claims abstract description 43
- 239000004567 concrete Substances 0.000 title claims abstract description 28
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 34
- 239000010959 steel Substances 0.000 claims abstract description 34
- 238000009415 formwork Methods 0.000 claims description 9
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 229910052742 iron Inorganic materials 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 239000002131 composite material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000007306 turnover Effects 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
- E04G13/00—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H7/00—Construction or assembling of bulk storage containers employing civil engineering techniques in situ or off the site
- E04H7/22—Containers for fluent solids, e.g. silos, bunkers; Supports therefor
- E04H7/24—Constructions, with or without perforated walls, depending on the use of specified materials
- E04H7/26—Constructions, with or without perforated walls, depending on the use of specified materials mainly of concrete, e.g. reinforced concrete or other stone-like materials
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The invention discloses a supporting device of a large-diameter silo conical hopper concrete construction template and a construction method thereof, wherein the device comprises a conical hopper of a large-diameter silo and a steel structure supporting system at the bottom of the conical hopper; wherein: the cone hopper comprises a first cone hopper combination template arranged at the upper part and a second cone hopper combination template arranged at the lower part; the steel structure supporting system comprises a plurality of groups of standard knot frame bodies arranged around the conical hopper, and each group of standard knot frame bodies comprises a plurality of vertically built standard knots; the standard section is of a cuboid structure, four corners at the bottom of the standard section at the lowest part of the frame body of each standard section are respectively provided with an adjusting jack, and four corners at the top of the standard section at the highest part of the frame body of each standard section are respectively provided with an adjusting jacking rod; and each standard section in each adjacent group of standard section frame bodies is fixedly connected through a standard section connecting piece. The invention can ensure the stress of the template supporting system and simplify the installation of the template.
Description
Technical Field
The invention relates to the technical field of conical hopper construction, in particular to a supporting device of a large-diameter silo conical hopper concrete construction template and a construction method thereof.
Background
In modern industrial grain storage projects, a lower bottom plate of a large-diameter silo is generally provided with a plurality of grain leaking conical hoppers, the height of the bottom surface of each conical hopper is generally 3.5-5.5 m from the ground, and the conical hoppers are generally rectangular. In the traditional construction, a scaffold support frame is generally erected from the ground, a cross beam, an inclined cross beam support framework, a conical hopper inclined plane template and the like are installed after the support frame is completed, iron nails are needed to be nailed at a little by little, a large amount of manpower is spent on the installation template, the space and construction process are limited in the installation process, personnel cannot stand stably, the working efficiency is low and unsafe, the installation precision is low, the template stability is poor, the template is easy to deform and the like in the inclined plane template installation process, the conical hopper reaches a certain age after being poured and formed, when the conical hopper template is removed, the iron nails are adopted for fixing the template, all the iron nails are required to be taken out, the template can be removed, and the traditional conical hopper support mode is adopted in the large project under the condition that the conical hopper is more, a great deal of manpower and material resources are spent, and the construction period is influenced. In order to solve the problems encountered in the traditional silo formwork support construction, realize convenient construction, reduce workload, shorten construction period and improve construction precision and quality, a novel modular formwork and a novel support system for a silo cone hopper are needed.
By using the tool type support frame and the assembled combined template, the rectangular cone hopper can be better erected, the stress and the stability of a template support system are ensured, meanwhile, the template support system can be quickly installed and dismantled, the convenient and fast template removal is realized, the quality (taper) of the reinforced concrete cone hopper is ensured, and the aim of repeatedly using the template and the support system is fulfilled.
Disclosure of Invention
The invention aims to solve the technical problem of providing a supporting device of a large-diameter silo conical hopper concrete construction template and a construction method thereof aiming at the defects in the prior art.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the invention provides a supporting device for a large-diameter silo conical hopper concrete construction template, which comprises a conical hopper of a large-diameter silo and a steel structure supporting system at the bottom of the conical hopper; wherein:
the cone hopper comprises a first cone hopper combination template arranged at the upper part and a second cone hopper combination template arranged at the lower part; the steel structure supporting system comprises a plurality of groups of standard knot frame bodies arranged around the conical hopper, and each group of standard knot frame bodies comprises a plurality of vertically built standard knots;
the standard section is of a cuboid structure, four corners at the bottom of the standard section at the lowest part of the frame body of each standard section are respectively provided with an adjusting jack, and four corners at the top of the standard section at the highest part of the frame body of each standard section are respectively provided with an adjusting jacking rod; each standard section in each group of adjacent standard section frame bodies is fixedly connected through a standard section connecting piece;
the bottom of the second cone combined template is supported and the height of the second cone combined template is adjusted through an adjusting jacking rod, and the bottom of the standard joint frame body is supported and the height of the standard joint frame body is adjusted through an adjusting jack.
Furthermore, each rectangular surface of the standard knot is provided with a reinforcing and supporting steel structure connected with a rectangular diagonal line.
Furthermore, each group of standard knot frame body of the invention is provided with at least 3 standard knots in the vertical direction.
Furthermore, at least 4 groups of standard knot frame bodies are arranged below the cone hopper.
Furthermore, the standard joint connecting piece adopts a connecting bolt.
The invention provides a construction method of a supporting device of a large-diameter silo conical hopper concrete construction template, which comprises the following steps:
firstly, tamping the ground of a lower-layer concrete platform to be constructed in a bin, then pouring a layer of concrete terrace, and smearing and leveling the terrace; the axis of the positioning line of the conical hopper at the lower layer of the bin is discharged according to the positioning axis, and the position line of the standard joint support frame body is discharged;
placing adjusting jacks for jacking at the positions of four feet of each standard joint frame body;
thirdly, splicing the single parts of the standard sections transported by a factory into a section whole on site, assembling the section whole into the standard sections, and hoisting the first standard section to the top surface of the adjusting jack by using a crane after splicing;
step four, assembling the second standard knot and the third standard knot, sequentially hoisting by using a crane after assembling, and sequentially and firmly connecting by using bolts;
after each group of standard joint frame bodies are assembled, connecting and fixing the four groups of standard joint frame bodies by using connecting rod pieces to form a steel structure supporting system;
sixthly, mounting an adjusting top screw rod on the steel structure support system;
seventhly, adjusting the height of the steel structure supporting system by using an adjusting jack, and tightly jacking the supporting position of the cross beam of the cone bucket template by using a support of an adjusting jacking screw rod;
step eight, conveying the cone hopper templates which are pre-assembled into a single plate shape according to unit modules in a processing plant to the site, assembling a first cone hopper combined template through a pre-assembling platform, hoisting the assembled first cone hopper combined template to a support of a steel structure supporting system by using a crane, and propping the support on a main stress ridge outside the first cone hopper combined template;
and step nine, assembling the second cone combined template, hoisting the assembled second cone combined template to the first cone combined template by using a crane after the assembling is finished, and firmly connecting the assembled first cone combined template and the first cone combined template by using bolts.
7. The construction method of the supporting device of the large-diameter silo conical hopper concrete construction template as claimed in claim 6, wherein the concrete terrace poured in the first step is 100mm to 150mm thick.
The invention has the following beneficial effects: the support device of the large-diameter silo conical hopper concrete construction template and the construction method thereof can greatly reduce the use amount of support steel pipes and battens and shorten the construction time. The template supporting system utilizes the tool type supporting frame and the assembled combined template to support the rectangular conical hopper, better ensures the stress of the template supporting system, simplifies the template installation and ensures the requirement of the installation precision.
Drawings
The invention will be further described with reference to the accompanying drawings and examples, in which:
FIG. 1 is a schematic three-dimensional structure of an embodiment of the present invention;
FIG. 2 is an elevational view of a composite template module and support module system according to an embodiment of the invention;
FIG. 3 is a cross-sectional view of a modular template module and support module system according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1, the supporting device of the large-diameter silo conical hopper concrete construction formwork of the embodiment of the invention comprises a conical hopper of a large-diameter silo and a steel structure supporting system at the bottom of the conical hopper; wherein:
the cone hopper comprises a first cone hopper combination template 1 arranged at the upper part and a second cone hopper combination template 2 arranged at the lower part; the steel structure supporting system comprises a plurality of groups of standard knot frame bodies arranged around the conical hopper, and each group of standard knot frame bodies comprise a plurality of vertically built standard knots 4;
as shown in fig. 2-3, the standard knot 4 is a cuboid structure, four corners of the bottom of the standard knot 4 at the bottom of each standard knot frame body are respectively provided with an adjusting jack 3, and four corners of the top of the standard knot 4 at the top of each standard knot frame body can be respectively provided with an adjusting jacking screw rod 5; each standard section 4 in each group of adjacent standard section frame bodies is fixedly connected through a standard section connecting piece 6;
the bottom of the second cone combined template 2 is supported and the height of the second cone combined template is adjusted through an adjusting jacking rod 5, and the bottom of the standard section frame body is supported and the height of the standard section frame body is adjusted through an adjusting jack 3.
And a reinforcing and supporting steel structure for connecting the diagonal lines of the rectangle is arranged on each rectangular surface of the standard knot 4. Each group of standard knot frame body is provided with at least 3 standard knots 4 in the vertical direction. At least 4 groups of standard knot frame bodies are arranged below the cone hopper. The standard joint connecting piece 6 adopts a connecting bolt.
In another embodiment of the invention:
1. installing a steel structure supporting system:
before the steel structure supporting system is installed, each section of standard section in the steel structure supporting system is shaped and assembled into a standard unit section frame body in a factory. The steel structure support system is composed of standard knot frame bodies, and the standard knots are assembled and connected, so that the steel structure support system composed of four groups of single standard knot frame bodies is formed. Before each group of standard knot frame bodies are installed, the lower foundation ground is firstly tamped, hardened and leveled. And then placing the cone bucket template positioning horizontal projection line on the terrace. Firstly, the jack is placed according to the positions of four pins of the positioning axis of the supporting device, then the first section of standard section frame body device is placed on the jack by utilizing hoisting equipment and hoisting tools, then the second section of standard section frame body and the third section of standard section frame body are continuously hoisted, and the standard sections are connected by using connecting bolts to form a group of standard section frame bodies. After the second, third and fourth groups of fixed supports are formed by the standard knots, the frame bodies of each group of standard knots are connected by the connecting rod pieces, and finally, the integrally stable steel structure support system is formed. After the steel structure supporting system is finished, the elevation of the steel structure supporting system can be adjusted through a jack arranged at the lower part of the steel structure supporting system until the designed elevation of the lower surface of the cone hopper concrete (the supporting thickness of the template is considered) is reached.
2. Installing a shaping combined template:
the shaping combined template is composed of two sections of cone bucket combined templates with different sizes. Firstly, processing each section of cone bucket combined template into a single template body in a factory, and then transporting to a construction site for assembly. A group of assembling platforms are arranged on a construction site, then paying-off is carried out on the platforms according to the actual size of the appearance of the cone bucket, and the section combined template is assembled and formed according to the paying-off size. And after the assembled combined templates are subjected to size inspection and meet the requirements, the assembled combined templates of each section are placed on a steel structure support system one by one according to the installation sequence by using hoisting equipment, and then the lower cross beam of the cone bucket template is tightly jacked by using an adjusting screw rod so as to realize the pouring construction of the cone bucket concrete.
The construction method of the support device of the large-diameter silo conical hopper concrete construction template comprises the following steps:
firstly, tamping the ground of a lower-layer concrete platform of a bin to be constructed in the bin, then pouring a layer of concrete terrace with the thickness of 100-150 mm, and smearing and leveling the terrace; the axis of the positioning line of the conical hopper at the lower layer of the bin is discharged according to the positioning axis, and the position line of the standard joint support frame body is discharged;
placing adjusting jacks for jacking at the positions of four feet of each standard joint frame body;
thirdly, splicing the single parts of the standard sections transported by a factory into a section whole on site, assembling the section whole into the standard sections, and hoisting the first standard section to the top surface of the adjusting jack by using a crane after splicing;
step four, assembling the second standard knot and the third standard knot, sequentially hoisting by using a crane after assembling, and sequentially and firmly connecting by using bolts;
after each group of standard joint frame bodies are assembled, connecting and fixing the four groups of standard joint frame bodies by using connecting rod pieces to form a steel structure supporting system;
sixthly, mounting an adjusting top screw rod on the steel structure support system;
seventhly, adjusting the height of the steel structure supporting system by using an adjusting jack, and tightly jacking the supporting position of the cross beam of the cone bucket template by using a support of an adjusting jacking screw rod;
step eight, conveying the cone hopper templates which are pre-assembled into a single plate shape according to unit modules in a processing plant to the site, assembling a first cone hopper combined template through a pre-assembling platform, hoisting the assembled first cone hopper combined template to a support of a steel structure supporting system by using a crane, and propping the support on a main stress ridge outside the first cone hopper combined template;
and step nine, assembling the second cone combined template, hoisting the assembled second cone combined template to the first cone combined template by using a crane after the assembling is finished, and firmly connecting the assembled first cone combined template and the first cone combined template by using bolts.
The invention has the following beneficial effects:
1. the support system is made in a modularized mode and has the advantages of being high in precision, convenient and fast to assemble, good in support strength, good in safety and the like.
The silo cone bucket combined template module and the support module system can be recycled, the turnover frequency is higher than that of a traditional template, the cost can be saved, and the construction period can be shortened.
3. The modular supporting system can utilize a lower jack device and an upper adjusting screw rod, and dimension height control during formwork supporting is conveniently realized.
4. The modularization braced system passes through jack device and upper portion accommodate the lead screw, and the template separation that can be convenient carries out fast reaches and demolishs the effect fast, reduces the material damage and extravagant.
5. The complexity and difficulty of traditional formwork support erection can be avoided, labor is saved, and construction efficiency is high.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.
Claims (7)
1. A supporting device for a large-diameter silo conical hopper concrete construction template is characterized by comprising a conical hopper of a large-diameter silo and a steel structure supporting system at the bottom of the conical hopper; wherein:
the cone comprises a first cone combined template (1) arranged at the upper part and a second cone combined template (2) arranged at the lower part; the steel structure supporting system comprises a plurality of groups of standard knot frame bodies arranged around the conical hopper, and each group of standard knot frame bodies comprise a plurality of vertically built standard knots (4);
the standard joints (4) are of cuboid structures, four corners of the bottom of the standard joint (4) at the lowest part of each standard joint frame body are respectively provided with an adjusting jack (3), and four corners of the top of the standard joint (4) at the highest part of each standard joint frame body can be respectively provided with an adjusting jacking rod (5); each standard section (4) in each group of adjacent standard section frame bodies are fixedly connected through a standard section connecting piece (6);
the bottom of the second cone combined template (2) is supported and the height of the second cone combined template is adjusted through an adjusting jacking rod (5), and the bottom of the standard section frame body is supported and the height of the standard section frame body is adjusted through an adjusting jack (3).
2. The supporting device of the large-diameter silo conical hopper concrete construction formwork as claimed in claim 1, wherein a reinforcing supporting steel structure for connecting the diagonal lines of the rectangle is arranged on each rectangular surface of the standard knot (4).
3. A support arrangement for a large diameter silo cone hopper concrete construction formwork as claimed in claim 1 wherein each set of standard knot support is provided with at least 3 standard knots (4) in the vertical direction.
4. The support device for a large-diameter silo conical hopper concrete construction formwork as claimed in claim 1, wherein at least 4 groups of standard knot support bodies are arranged below the conical hopper.
5. The supporting device of a large-diameter silo cone hopper concrete construction formwork according to claim 1, characterized in that the standard joint connecting pieces (6) adopt connecting bolts.
6. A construction method of a supporting device of a large-diameter silo conical hopper concrete construction template is characterized by comprising the following steps:
firstly, tamping the ground of a lower-layer concrete platform to be constructed in a bin, then pouring a layer of concrete terrace, and smearing and leveling the terrace; the axis of the positioning line of the conical hopper at the lower layer of the bin is discharged according to the positioning axis, and the position line of the standard joint support frame body is discharged;
placing adjusting jacks for jacking at the positions of four feet of each standard joint frame body;
thirdly, splicing the single parts of the standard sections transported by a factory into a section whole on site, assembling the section whole into the standard sections, and hoisting the first standard section to the top surface of the adjusting jack by using a crane after splicing;
step four, assembling the second standard knot and the third standard knot, sequentially hoisting by using a crane after assembling, and sequentially and firmly connecting by using bolts;
after each group of standard joint frame bodies are assembled, connecting and fixing the four groups of standard joint frame bodies by using connecting rod pieces to form a steel structure supporting system;
sixthly, mounting an adjusting top screw rod on the steel structure support system;
seventhly, adjusting the height of the steel structure supporting system by using an adjusting jack, and tightly jacking the supporting position of the cross beam of the cone bucket template by using a support of an adjusting jacking screw rod;
step eight, conveying the cone hopper templates which are pre-assembled into a single plate shape according to unit modules in a processing plant to the site, assembling a first cone hopper combined template through a pre-assembling platform, hoisting the assembled first cone hopper combined template to a support of a steel structure supporting system by using a crane, and propping the support on a main stress ridge outside the first cone hopper combined template;
and step nine, assembling the second cone combined template, hoisting the assembled second cone combined template to the first cone combined template by using a crane after the assembling is finished, and firmly connecting the assembled first cone combined template and the first cone combined template by using bolts.
7. The construction method of the supporting device of the large-diameter silo conical hopper concrete construction template as claimed in claim 6, wherein the concrete terrace poured in the first step is 100mm to 150mm thick.
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| CN201911043457.XA CN110748155B (en) | 2019-10-30 | 2019-10-30 | Support device for large-diameter silo conical hopper concrete construction template and construction method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112356238A (en) * | 2020-10-30 | 2021-02-12 | 中国一冶集团有限公司 | Square concrete cone hopper inner side formwork manufacturing process supporting system and mounting method |
| CN118327280A (en) * | 2024-05-13 | 2024-07-12 | 广州市第四建筑工程有限公司 | Cone bucket construction device and construction method |
| CN118327279A (en) * | 2024-05-13 | 2024-07-12 | 广州市第四建筑工程有限公司 | A support for cone bucket construction |
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| JP2764894B2 (en) * | 1994-11-11 | 1998-06-11 | 三井建設株式会社 | How to build a cylinder |
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| CN103122691A (en) * | 2013-02-04 | 2013-05-29 | 中天建设集团有限公司 | Tower crane standard knot bearing upper air supporting formwork steel platform structure and construction method |
| CN104100122A (en) * | 2014-08-01 | 2014-10-15 | 中国化学工程第三建设有限公司 | Construction method of cone-shaped top structure of large silo |
| CN205577394U (en) * | 2016-03-21 | 2016-09-14 | 中交第二航务工程局有限公司 | Support system suitable for construction of silo bottom plate conical surface structure |
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2019
- 2019-10-30 CN CN201911043457.XA patent/CN110748155B/en active Active
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| JP2764894B2 (en) * | 1994-11-11 | 1998-06-11 | 三井建設株式会社 | How to build a cylinder |
| WO2004074109A2 (en) * | 2003-02-13 | 2004-09-02 | Hedrick Thomas W | Storage facility with access chases and filling structures |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112356238A (en) * | 2020-10-30 | 2021-02-12 | 中国一冶集团有限公司 | Square concrete cone hopper inner side formwork manufacturing process supporting system and mounting method |
| CN112356238B (en) * | 2020-10-30 | 2022-03-22 | 中国一冶集团有限公司 | Square concrete cone hopper inner side formwork manufacturing process supporting system and mounting method |
| CN118327280A (en) * | 2024-05-13 | 2024-07-12 | 广州市第四建筑工程有限公司 | Cone bucket construction device and construction method |
| CN118327279A (en) * | 2024-05-13 | 2024-07-12 | 广州市第四建筑工程有限公司 | A support for cone bucket construction |
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