CN103572772A - Bolted prefabricated component for ring wall foundation and ring wall foundation - Google Patents
Bolted prefabricated component for ring wall foundation and ring wall foundation Download PDFInfo
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- CN103572772A CN103572772A CN201210273935.8A CN201210273935A CN103572772A CN 103572772 A CN103572772 A CN 103572772A CN 201210273935 A CN201210273935 A CN 201210273935A CN 103572772 A CN103572772 A CN 103572772A
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Abstract
The invention discloses a bolted prefabricated component for a ring wall foundation. The prefabricated component is an arc-shaped component formed by equally dividing the ring wall foundation along the circumference, the cross section of the arc-shaped component is in a rectangular shape, the two ends of the prefabricated component are made into cut openings, and the cut opening parts are provided with reserved round holes. The invention also discloses the ring wall foundation, which consists of a plurality of prefabricated components. The structure of the adopted reinforced concrete prefabricated component with the rectangular component is simple, the installation is simple and convenient during the ring wall foundation construction, and the additional arrangement of steel bars and the erection of a template are not needed, so the maintenance time is reduced, and the construction speed is greatly improved. Meanwhile, the prefabricated component can easy realize the factory standard part production.
Description
Technical field
The present invention relates to a kind of geotechnical engineering basis, particularly a kind of steel tank ringwall basis prefabricated units.
Background technology
Steel tank is a kind of use special equipment very widely, and the big or small steel tank that China builds every year and transforms is countless.Base of steel tank generally has bank protection formula and ringwall (beam) formula, and ring wall foundation is owing to adjusting tank body foundation uneven settlement successful, and takes up an area less, is suitable for all kinds of soft foundations and is widely adopted.Ring wall foundation can be divided into Cast-in-situs type and prefabricated assembled again, but at the bottom of prefabricated assembled template utilization rate, during construction assembling, easily produce alignment error, when particularly prefabricated component connects, adopt ater-casting (sleeper form) connected mode, need to set up in addition template and reinforcing bar is set, construction bothers, curing time is long, thereby in engineering, substantially adopts Cast-in-situs type ringwall basis at present.But it is that Cast-in-situs type ringwall basis is incomparable that concrete adopts the prefabricated assembled feature that is easy to the production of industrialized standard part, if take a kind of rationally prefabricated component connection efficiently make, overcome ringwall basis prefabricated component and connect intrinsic defect, the basis of this form is to have very much application value.A key in prefabricated ringwall basic engineering is: it is that a kind of full section is continuous, the tension of take is main concrete component, in the process connecting, needs the member resistance to tension that guarantees link position place to be not less than prefabricated units itself.
Those skilled in the art is devoted to study a kind of new ringwall basis, to solve the technical problem on prefabricated assembled ringwall basis in prior art.
Summary of the invention
The technical problem to be solved in the present invention is in order to overcome in prior art at the bottom of prefabricated assembled ringwall foundation construction template utilization rate, during construction assembling, easily produce alignment error, reinforcement construction trouble is set in ater-casting, the problems such as the concrete curing time is long, provide a kind of ringwall basis bolted prefabricated units and ringwall basis.
The present invention solves above-mentioned technical problem by following technical proposals:
A kind of ringwall basis prefabricated units, its feature is, described prefabricated units be shaped as ringwall basis along the arc component forming after girth decile, the cross section of described arc component is rectangle, described prefabricated units two ends are set to otch, and described incision is provided with reserved circular hole.
Preferably, the inside that described prefabricated units are positioned at incision is provided with steel frame.
Preferably, the quantity of described reserved circular hole is 3.
Preferably, the arc length length of described prefabricated units is not less than 2 meters.
Preferably, the arc length of described prefabricated units is 2 to 2.5 meters.
Preferably, described prefabricated units are made by steel concrete.
The present invention also provides a kind of ringwall basis, and its feature is, described ringwall basis is comprised of aforesaid prefabricated units.
Preferably, the otch of adjacent two prefabricated units docks mutually, leaves gap between otch, and gap is filled with and filled out with contraction-free grouting concrete.
Preferably, between the otch of adjacent two prefabricated units, with bolt, connect.
In the present invention, above-mentioned optimum condition can be combined on the basis that meets this area general knowledge, obtains each preferred embodiment of the present invention.
Positive progressive effect of the present invention is: steel concrete rectangle section arc prefabricated units of the present invention are simple in structure, simple installation during ringwall foundation construction, do not need to arrange in addition reinforcing bar and set up template, thereby minimizing curing time, greatly improved speed of application, meanwhile, prefabricated units are easy to realize the production of batch production standard component.
Accompanying drawing explanation
Fig. 1 is the ringwall basis top view under one embodiment of the invention.
Fig. 2 is the schematic perspective view of single prefabricated units.
Fig. 3 is a part of ringwall basis being comprised of prefabricated units under the embodiment of the present invention.
Fig. 4 is the enlarged diagram of the part of A shown in Fig. 3.
Fig. 5 is the steel frame position view of single prefabricated units.
Fig. 6 is another angle schematic diagram of steel frame position of single prefabricated units.
The specific embodiment
Embodiments of the invention describe with reference to the accompanying drawings.In Figure of description, element or the device with similar structures or function will represent with identical component symbol.Accompanying drawing is each embodiment of the present utility model for convenience of explanation just, is not to carry out to the utility model the explanation of exhaustive, neither limit scope of the present invention.
Fig. 1 has disclosed the schematic top plan view on Large Steel storage tank ringwall basis under one embodiment of the invention.In this embodiment, ringwall basis is by 16 equal and opposite in directions, and the single prefabricated units 1 that shape is identical form.Those skilled in the art can understand, the diameter on ringwall basis is determined by supported steel tank diameter.In general, the diameter on ringwall basis is larger, need to be more along the quantity of girth decile.The monolithic weight of aliquot-sized after with each member decile is easy to construction hoisting and is as the criterion, and can be 2.0 ~ 2.5 meters of arc length conventionally.These single prefabricated units, can carry out standard component Prefabrication in factory very easily, and structure manufacture quality can be guaranteed, and during on-the-spot installation, directly lift erection, form steel tank ringwall basis.
Fig. 2 is the schematic perspective view of single prefabricated units.These prefabricated units consist of monolithic steel concrete, the curved member of member intermediate body member 11, the cross section of arc component is rectangle, kerf is made at member two ends, otch comprises protuberance 12 and end cut 15, is vertically arranged with several reserved circular holes 13 in end cut 15, and the quantity of reserved circular hole 13 can be adjusted along with the height of prefabricated units, in the present embodiment, the quantity of reserved circular hole is 3.The diameter of reserved circular hole is depending on the diameter of supporting bolt.
Fig. 3 and Fig. 4 show the schematic diagram that single prefabricated units are combined into ringwall basis.In this embodiment, two prefabricated units splice by square notch, protuberance 12 and end cut 15 between prefabricated units 1 are agreed with each other, seam crossing after two prefabricated units connect leaves the gap of 20-30mm, and making reserved circular hole relative between two, square notch contact surface keeps rough surface when concrete prefabricated.Screw thread is processed into in round metal bars two ends, is used as bolt and uses.The circular rod iron of TBE (threaded both ends) 4 is inserted in the reserved circular hole of centering, mix nut 5, with temporary formwork 2, seal gap, then between the gap of interface, pour into slurry 3, slurry 3 can be contraction-free grouting concrete, also can be the pea gravel concreten with microdilatancy, gap is filled out slurry by filling and is sealed, and after grouting agent reaches some strength, tightens the nut 5 on circular rod iron 4, be about to prefabricated ringwall member and connected, the complete bolt that forms member connects.
Fig. 5 and Fig. 6 show the steel frame position of single prefabricated units inside.In general, the resistance to tension of single prefabricated units at protuberance 12 places is not less than the resistance to tension of prefabricated units body 11, therefore configure in prefabricated units beyond plain bars, steel frame 14 is also set separately.The structure of steel frame is determined by full section ringwall stretching resistance, can be welded with angle steel, can be welded with shaped steel, also can make with other suitable material.Steel frame is arranged on protuberance 12 inside, causes member fracture while preventing largely ringwall basis under tension.When manufacturing prefabricated units, the position that note steel frame not with reserved circular hole conflict, in order to avoid cause Steel material damage during punching.
Although described above the specific embodiment of the present invention, it will be understood by those of skill in the art that these only illustrate, protection scope of the present invention is limited by appended claims.Those skilled in the art is not deviating under the prerequisite of principle of the present invention and essence, can make various changes or modifications to these embodiments, but these changes and modification all fall into protection scope of the present invention.
Claims (10)
1. ringwall basis bolted prefabricated units, is characterized in that, described prefabricated units be shaped as ringwall basis along the arc component forming after girth decile, described prefabricated units two ends are set to otch, described incision is provided with reserved circular hole.
2. prefabricated units as claimed in claim 1, is characterized in that, the inside that described prefabricated units are positioned at incision is provided with steel frame.
3. prefabricated units as claimed in claim 1 or 2, is characterized in that, the quantity of described reserved circular hole is 3.
4. prefabricated units as claimed in claim 1 or 2, is characterized in that, the arc length length of described prefabricated units is not less than 2 meters.
5. prefabricated units as claimed in claim 4, is characterized in that, the arc length of described prefabricated units is 2 to 2.5 meters.
6. prefabricated units as claimed in claim 1 or 2, is characterized in that, the cross section of described prefabricated units is rectangle.
7. prefabricated units as claimed in claim 1 or 2, is characterized in that, described prefabricated units are made by steel concrete.
8. a ringwall basis, is characterized in that, described ringwall basis is comprised of a plurality of prefabricated units claimed in claim 1.
9. ringwall as claimed in claim 8 basis, is characterized in that, the otch of adjacent two prefabricated units docks mutually, leaves gap between otch, and gap is filled with and filled out with contraction-free grouting concrete.
10. ringwall is basic as claimed in claim 8 or 9, it is characterized in that, between the otch of adjacent two prefabricated units, with bolt, connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210273935.8A CN103572772A (en) | 2012-08-02 | 2012-08-02 | Bolted prefabricated component for ring wall foundation and ring wall foundation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210273935.8A CN103572772A (en) | 2012-08-02 | 2012-08-02 | Bolted prefabricated component for ring wall foundation and ring wall foundation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103572772A true CN103572772A (en) | 2014-02-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210273935.8A Pending CN103572772A (en) | 2012-08-02 | 2012-08-02 | Bolted prefabricated component for ring wall foundation and ring wall foundation |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4701075A (en) * | 1984-04-12 | 1987-10-20 | Novolipetsky Politekhnichersky Institut Imeni Leninskogo Komsomola Belorusii | Reinforced concrete offshore platform |
| CN201162290Y (en) * | 2007-12-25 | 2008-12-10 | 方大集团股份有限公司 | Curtain wall connection device |
| CN201554150U (en) * | 2009-10-29 | 2010-08-18 | 侯宝权 | Cambered surface injection molding plate and curved surface mobile house assembled with same |
| CN202169635U (en) * | 2011-07-13 | 2012-03-21 | 于德庆 | Double-structure-combined concrete prefabricating mould with strip-shaped frame |
-
2012
- 2012-08-02 CN CN201210273935.8A patent/CN103572772A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4701075A (en) * | 1984-04-12 | 1987-10-20 | Novolipetsky Politekhnichersky Institut Imeni Leninskogo Komsomola Belorusii | Reinforced concrete offshore platform |
| CN201162290Y (en) * | 2007-12-25 | 2008-12-10 | 方大集团股份有限公司 | Curtain wall connection device |
| CN201554150U (en) * | 2009-10-29 | 2010-08-18 | 侯宝权 | Cambered surface injection molding plate and curved surface mobile house assembled with same |
| CN202169635U (en) * | 2011-07-13 | 2012-03-21 | 于德庆 | Double-structure-combined concrete prefabricating mould with strip-shaped frame |
Non-Patent Citations (3)
| Title |
|---|
| 何永旺: "防风明洞预制构件接缝连接方式", 《中国铁路》, no. 7, 31 July 2011 (2011-07-31), pages 51 - 53 * |
| 徐至钧: "大型贮罐装配式环墙基础", 《石油工程建设》, no. 1, 17 February 1988 (1988-02-17), pages 9 - 19 * |
| 蒋树屏: "日本东京湾跨海公路工程技术", 《中国岩石力学与工程学会》, 1 June 1999 (1999-06-01), pages 2 - 6 * |
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Application publication date: 20140212 |