CN105696549A - Novel steel reinforcement cage interior supporting structure and application thereof - Google Patents
Novel steel reinforcement cage interior supporting structure and application thereof Download PDFInfo
- Publication number
- CN105696549A CN105696549A CN201610057244.2A CN201610057244A CN105696549A CN 105696549 A CN105696549 A CN 105696549A CN 201610057244 A CN201610057244 A CN 201610057244A CN 105696549 A CN105696549 A CN 105696549A
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- Prior art keywords
- reinforcement cage
- steel reinforcement
- supporting structure
- sleeve
- steel bar
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 80
- 239000010959 steel Substances 0.000 title claims abstract description 80
- 230000002787 reinforcement Effects 0.000 title claims abstract description 74
- 238000000034 method Methods 0.000 claims abstract description 15
- 230000008569 process Effects 0.000 claims abstract description 9
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 27
- 125000006850 spacer group Chemical group 0.000 claims description 13
- 238000013461 design Methods 0.000 claims description 12
- 230000003014 reinforcing effect Effects 0.000 claims description 12
- 210000003205 muscle Anatomy 0.000 claims description 8
- 238000011065 in-situ storage Methods 0.000 claims description 5
- 235000008331 Pinus X rigitaeda Nutrition 0.000 claims description 3
- 235000011613 Pinus brutia Nutrition 0.000 claims description 3
- 241000018646 Pinus brutia Species 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims description 3
- 239000000284 extract Substances 0.000 claims description 3
- 238000011900 installation process Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 abstract description 13
- 238000005520 cutting process Methods 0.000 abstract description 3
- 230000006378 damage Effects 0.000 abstract description 3
- 238000005728 strengthening Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Reinforcement Elements For Buildings (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention discloses a novel steel reinforcement cage interior supporting structure and application thereof. The novel steel reinforcement cage interior supporting structure comprises supporting parts. One end of each supporting part is provided with a bent hook used for being hooked on a main reinforcement of a steel reinforcement cage, and the other end of each supporting part is a thread end. The thread ends penetrate through positioning plates used for being clamped on the main reinforcements of the steel reinforcement cage and are provided with sleeves in a screwed mode. The sleeves are located on the outer sides of the positioning plates. The application of the novel steel reinforcement cage interior supporting structure comprises a mounting process, a using process and a dismounting process. The novel steel reinforcement cage interior supporting structure is fastened and positioned through the sleeves in a threaded mode and is convenient to dismount when the steel reinforcement cage is laid down; adopted cross inner supports are high in reusability, welding cutting operation is not needed, and damage to inner supporting steel bars is avoided.
Description
Technical field
The present invention relates to a kind of cast-in-situ bored pile new reinforcing steel bar cage inner supporting structure and application thereof, belong to building field bored pile foundation engineering, be mainly used in highway, railroad bridge large diameter bored pile engineering。
Background technology
Cast-in-situ bored pile carries out steel reinforcement cage after pore-forming and transfers, and steel reinforcement cage is transferred employing merogenesis and lifted, connects, transfers to stake holes design attitude。Poor for large diameter pile foundation steel reinforcement cage cross section integral rigidity, lifting easily causes steel reinforcement cage deformation, bar connecting point to loosen。Though increasing in the design and strengthening stirrup 4, but still can not meeting lifting requirements, in engineering, Normal practice is to strengthen stirrup 4 place welding cross inner support reinforcing bar 1, the method cut off one by one in reinforcing bar cage hoisting decentralization process。
Conventional steel reinforcement cage inner supporting structure as Figure 1-3, welds together in the middle part of its cross inner support reinforcing bar 1, and two ends are respectively welded at the locations of contours original paper on reinforcement stirrup 4 as vertical main muscle, and steel reinforcement cage itself also has lengthways main steel bar 2 and lateral tie 3。After welding, steel reinforcement cage diameter is no longer easily dimmable, and when there is circular shaft degree deviation, namely steel reinforcement cage cross section is become oval by circle, should not reprocess。This kind of method welding workload is big, reducing the working performance that steel reinforcement cage is transferred, and to be taken off by welding when inner support reinforcing bar is removed, recycling cross inner support needs REPAIR WELDING spreading, repeatable usability is poor, and does not have the drawback accurately adjusting steel reinforcement cage diameter。
Chinese Patent Application No. 201410136902.8 discloses a kind of extension type reinforcement cage skeleton cross rigidity support system device, there is CO type turnbuckle, described CO type turnbuckle by pull bar, be arranged on the nut at the upper and lower two ends of pull bar and be separately positioned on the upper threaded adjusting bar in upper and lower two nuts and lower threaded adjusting bar is constituted, the head of described upper threaded adjusting bar is welded with arc end, the end of lower threaded adjusting bar is welded with crotch, and described arc end is semicircular structure；Being welded with the reinforcing bar coaxial with upper threaded adjusting bar and lower threaded adjusting bar on described crotch, the end of described reinforcing bar is welded with semi arch round steel。This extension type reinforcement cage skeleton cross rigidity support system device can reuse, use procedure does not need gas cutting, thus saving the time, save manpower, it has four fulcrums, supports more firm, prevents steel reinforcement cage deformation effect better during lifting, reinforcement cage skeleton decentralization process can provide lateral confinement power, transfer the saving time for steel reinforcement cage。
Chinese Patent Application No. 201520070560.4 discloses a kind of extra-high voltage bored concrete pile foundation steel reinforcement cage internal support, relate to fabrication of reinforcing cage technical field, mode for solving employing welding support bar supports the problem of support bar not reproducible utilization during stirrup, and improves the working (machining) efficiency of steel reinforcement cage。Extra-high voltage bored concrete pile foundation steel reinforcement cage internal support, drives the linear slide of sliding bar by motor and drive assembly, to realize the flexible of sliding bar；The supporting plate of the sliding bar free end of elongation and stirrup interior side contacts, it was provided with spring before sliding bar free end with supporting plate, the setting of spring can make up the error that stirrup manufacture is measured, it is ensured that is in close contact between supporting plate and stirrup, plays good guarantee with the support to stirrup。After this support arrangement has used, can drive motor counteragent so that sliding bar shrinks, with recycling。And then avoid the amount of labour existing being first welded and fixed, rear gas cutting is removed, it is to avoid the unnecessary wasting of resources。
Above-mentioned extension type reinforcement cage skeleton cross rigidity support system device of the prior art can reuse, and still has room for improvement accurately adjusting steel reinforcement cage diametrically。
Summary of the invention
The various drawbacks of inner support, change structure form of the present invention is welded, it is proposed to a kind of steel reinforcement cage inner supporting structure for borehole filling pile cage of reinforcement。
The technical solution adopted for the present invention to solve the technical problems is:
One aspect of the present invention provides a kind of new reinforcing steel bar cage inner supporting structure, including support member, one end of described support member is provided with for being hooked on the crotch on the main muscle of steel reinforcement cage, the other end is the end of thread, the described end of thread is through for blocking the location-plate on the main muscle of steel reinforcement cage, and the end of thread is rotary with sleeve, described sleeve is positioned at the outside of described location-plate。
Preferably, described support member is spacer bar。
Preferably, described reinforcing bar is Φ 20 or Φ 25 screw-thread steel。
Preferably, described steel reinforcement cage is cast-in-situ bored pile。
Another aspect of the present invention provides the application as steel reinforcement cage inner support of the above-mentioned new reinforcing steel bar cage inner supporting structure, including:
Installation process: on steel reinforcement cage, everywhere adopts two new reinforcing steel bar cage inner supporting structures, each other in cross, middle part is separate, respectively the crotch of support member one end is hooked on the first lengthways main steel bar on steel reinforcement cage, other end traverse steel reinforcement cage, block second lengthways main steel bar corresponding with the first lengthways main steel bar with location-plate, and fasten with sleeve；
Use procedure: when super regulation deviation occur in steel reinforcement cage diameter or circular shaft degree, can adjust by twisting the mode of sleeve, namely, if steel reinforcement cage diameter becomes oval more than design load or transverse section circle, fasten the sleeve of the new reinforcing steel bar cage inner supporting structure of side, oval long limit, pine diameter is less than the sleeve of the new reinforcing steel bar cage inner supporting structure of design load side if desired, until steel reinforcement cage diameter and cross section circular shaft degree meet design requirement；
Demolishing process: rotate the sleeve of two new reinforcing steel bar cage inner supporting structures, sleeve and location-plate are taken off, extracts out support member from crotch side。
The new reinforcing steel bar cage inner supporting structure of the present invention, by bush whorl fastening location, not only has and removes convenient when transferring steel reinforcement cage, and used cross inner support reusability is strong, it is not necessary to welding operation, it is to avoid the injury of pair of interior support reinforcing bar。
Different from normal welding cross operation principle, novel cross inner support is only adjusted by two spacer bar pulling force sizes, conventional type is to strengthen on stirrup by two reinforcement welding of cross inner support, inner support is welded as fixing connection with strengthening stirrup, improving the globality strengthening stirrup, spacer bar tension and compression stress is indefinite；Novel inner support is tension stress only, and stress is clearer and more definite。
The additional aspect of the present invention and advantage will part provide in the following description, and part will become apparent from the description below, or is recognized by the practice of the present invention。
Accompanying drawing explanation
Above-mentioned and/or the additional aspect of the present invention and advantage are from conjunction with will be apparent from easy to understand the accompanying drawings below description to embodiment, wherein:
Fig. 1 is cross inner supporting structure figure of the prior art；
Fig. 2 is A point enlarged drawing in Fig. 1；
Fig. 3 is D point enlarged drawing in Fig. 1；
Fig. 4 is the structure chart of the new reinforcing steel bar cage inner supporting structure of the present invention；
Fig. 5 is B point enlarged drawing in Fig. 4；
Fig. 6 is C point enlarged drawing in Fig. 4。
Description of reference numerals:
Cross inner support reinforcing bar 1；Lengthways main steel bar 2；Lateral tie 3；Strengthen stirrup 4；Spacer bar 5；Crotch 6；Location-plate 7；Sleeve 8。
Detailed description of the invention
Being described below in detail embodiments of the invention, wherein same or similar label represents same or similar element or has the element of same or like function from start to finish。The embodiment described below with reference to accompanying drawing is illustrative of, it is intended to is used for explaining the present invention, and is not considered as limiting the invention。
In describing the invention, it will be appreciated that, term " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, it is for only for ease of the description present invention and simplifies description, rather than the device of instruction or hint indication or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not considered as limiting the invention。
New reinforcing steel bar cage inner supporting structure according to embodiments of the present invention and application thereof are described with reference to the accompanying drawings。As Figure 4-Figure 6, the cast-in-situ bored pile new reinforcing steel bar cage inner supporting structure of the present invention is applicable to bored pile foundation engineering。
It includes spacer bar 5, and spacer bar 5 can be Φ 20 or Φ 25 screw-thread steel。One end of spacer bar 5 is provided with crotch 6, for being hooked on the main muscle of steel reinforcement cage。It is principle that the opening of crotch 6 should conveniently be removed on the main muscle of steel reinforcement cage, and length is determined according to design stake footpath。The other end processing screw thread of spacer bar 5, for the end of thread。The end of thread is through location-plate 7(or is deck), location-plate 7 is for blocking the main muscle of steel reinforcement cage, and prevents this end from moving。The end of thread is rotary with sleeve 8, and sleeve 8 is positioned at the outside of location-plate 7。
As Figure 4-Figure 6, above-mentioned new reinforcing steel bar cage inner supporting structure as the application of steel reinforcement cage inner support, including:
Installation process: on steel reinforcement cage, everywhere adopts two new reinforcing steel bar cage inner supporting structures, each other in cross, middle part separate (being namely not welded to together in the middle part of two inner supports), respectively the crotch 6 of spacer bar 5 one end is hooked on first lengthways main steel bar 2 on steel reinforcement cage, other end traverse steel reinforcement cage, block second lengthways main steel bar 2 corresponding with first lengthways main steel bar 2 with location-plate 7, and fasten with sleeve 8；
Use procedure: when super regulation deviation occur in steel reinforcement cage diameter or circular shaft degree, can adjust by twisting the mode of sleeve 8, namely, if steel reinforcement cage diameter becomes oval more than design load or transverse section circle, fasten the sleeve 8 of the new reinforcing steel bar cage inner supporting structure of side, oval long limit, pine diameter is less than the sleeve 8 of the new reinforcing steel bar cage inner supporting structure of design load side if desired, until steel reinforcement cage diameter and cross section circular shaft degree meet design requirement；
Demolishing process: rotate the sleeve 8 of two new reinforcing steel bar cage inner supporting structures, sleeve 8 and location-plate 7 are taken off, extracts out spacer bar 5 from crotch 6 side。
The new reinforcing steel bar cage inner supporting structure of the present invention, by sleeve 8 screw threads for fastening location, not only has and removes convenient when transferring steel reinforcement cage, and used cross inner support reusability is strong, it is not necessary to welding operation, it is to avoid the injury of pair of interior support reinforcing bar 5。
Different from normal welding cross operation principle, novel cross inner support is only adjusted by two spacer bar 5 pulling force sizes, conventional type is to strengthen on stirrup 4 by two reinforcement welding of cross inner support, inner support is welded as fixing connection with strengthening stirrup 4, improving the globality strengthening stirrup 4, spacer bar 5 tension and compression stress is indefinite。The novel inner support structure only tension stress of the present embodiment, stress is clearer and more definite。
The present embodiment, compared with the contrast patent in background technology, also has the advantage that
(1) adjustment structure contrasting patent is positioned at inside steel reinforcement cage, needs workman inwardly to stretch out one's hand adjustment from steel reinforcement cage hole, inconvenient operation during adjustment；The present embodiment only needs at steel reinforcement cage outside side regulating sleeve 8, and operation is very easy；
(2) contrast patent is all outwards apply outside support force from steel reinforcement cage is internal, and in the processes such as lifting, if steel reinforcement cage cross section generation moderate finite deformation, then inner support easily comes off, and loses supporting role；The inner support two ends of the present embodiment all act on outside steel reinforcement cage, even if there is moderate finite deformation, without coming off；
(3) contrast the inner support of patent as being subject to bigger pressure, then inner support becomes meeting bending, it is necessary to be replaced becoming bent inner support；And in the present embodiment, inner support is due to only tension stress, is not stressed, thus there is no need to weld together in the middle part of two inner supports。When steel reinforcement cage deforms, its crotch 6 can be protruding, therefore the inner support of the present embodiment is not pressurised bending。
Although an embodiment of the present invention has been shown and described；It will be understood by those skilled in the art that: when without departing from principles of the invention and objective, these embodiments can be carried out multiple change, amendment, replacement and modification；The scope of the present invention is limited by claim and equivalent thereof。
Claims (5)
1. a new reinforcing steel bar cage inner supporting structure, it is characterized in that, including support member, one end of described support member is provided with for being hooked on the crotch on the main muscle of steel reinforcement cage, the other end is the end of thread, the traverse of the described end of thread is for blocking the location-plate on the main muscle of steel reinforcement cage, and the end of thread is rotary with sleeve, and described sleeve is positioned at the outside of described location-plate。
2. new reinforcing steel bar cage inner supporting structure according to claim 1, it is characterised in that described support member is spacer bar。
3. new reinforcing steel bar cage inner supporting structure according to claim 2, it is characterised in that described reinforcing bar is Φ 20 or Φ 25 screw-thread steel。
4. new reinforcing steel bar cage inner supporting structure according to claim 1, it is characterised in that described steel reinforcement cage is cast-in-situ bored pile。
5. the new reinforcing steel bar cage inner supporting structure described in any one of claim 1-4 is as the application of steel reinforcement cage inner support, it is characterised in that including:
Installation process: on steel reinforcement cage, everywhere adopts two new reinforcing steel bar cage inner supporting structures, each other in cross, middle part is separate, respectively the crotch of support member one end is hooked on the first lengthways main steel bar on steel reinforcement cage, other end traverse steel reinforcement cage, block second lengthways main steel bar corresponding with the first lengthways main steel bar with location-plate, and fasten with sleeve；
Use procedure: when super regulation deviation occur in steel reinforcement cage diameter or circular shaft degree, can adjust by twisting the mode of sleeve, namely, if steel reinforcement cage diameter becomes oval more than design load or transverse section circle, fasten the sleeve of the new reinforcing steel bar cage inner supporting structure of side, oval long limit, pine diameter is less than the sleeve of the new reinforcing steel bar cage inner supporting structure of design load side if desired, until steel reinforcement cage diameter and cross section circular shaft degree meet design requirement；
Demolishing process: rotate the sleeve of two new reinforcing steel bar cage inner supporting structures, sleeve and location-plate are taken off, extracts out support member from crotch side。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610057244.2A CN105696549A (en) | 2016-01-28 | 2016-01-28 | Novel steel reinforcement cage interior supporting structure and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610057244.2A CN105696549A (en) | 2016-01-28 | 2016-01-28 | Novel steel reinforcement cage interior supporting structure and application thereof |
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| Publication Number | Publication Date |
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| CN105696549A true CN105696549A (en) | 2016-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610057244.2A Pending CN105696549A (en) | 2016-01-28 | 2016-01-28 | Novel steel reinforcement cage interior supporting structure and application thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109505296A (en) * | 2019-01-07 | 2019-03-22 | 中铁七局集团有限公司 | A kind of reusable steel reinforcement cage anti-deformation bracket |
| CN110029658A (en) * | 2019-04-19 | 2019-07-19 | 荆州市荆力工程设计咨询有限责任公司 | A kind of steel reinforcement cage supporting member for overhead transmission line bored concrete pile |
| CN113585625A (en) * | 2021-07-26 | 2021-11-02 | 中铁一局集团(广州)建设工程有限公司 | Triangle-shaped steel reinforcement cage owner muscle installation stand pipe |
| CN117905233A (en) * | 2024-03-19 | 2024-04-19 | 福建兴夷交通科技有限公司 | Mechanical connection group for highway bridge engineering pile foundation steel bars |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2033506C1 (en) * | 1993-04-21 | 1995-04-20 | Научно-Исследовательский Проектно-Конструкторский И Технологический Институт Бетона И Железобетона | Reinforcing cage of reinforced concrete floor slabs |
| CN202849949U (en) * | 2012-10-30 | 2013-04-03 | 中建海峡建设发展有限公司 | Auxiliary frame adopting sleeve to connect straight thread reinforcing steel bar |
| CN103924583A (en) * | 2014-04-08 | 2014-07-16 | 中交第一公路工程局有限公司 | Telescoping cross rigid supporting system device for reinforcement cage framework |
| CN104018491A (en) * | 2014-05-30 | 2014-09-03 | 江苏固丰管桩集团有限公司 | Enhanced prefabricated reinforced concrete square pile |
| CN204456078U (en) * | 2015-01-30 | 2015-07-08 | 国家电网公司 | Extra-high voltage bored concrete pile foundation reinforcing cage internal support |
-
2016
- 2016-01-28 CN CN201610057244.2A patent/CN105696549A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2033506C1 (en) * | 1993-04-21 | 1995-04-20 | Научно-Исследовательский Проектно-Конструкторский И Технологический Институт Бетона И Железобетона | Reinforcing cage of reinforced concrete floor slabs |
| CN202849949U (en) * | 2012-10-30 | 2013-04-03 | 中建海峡建设发展有限公司 | Auxiliary frame adopting sleeve to connect straight thread reinforcing steel bar |
| CN103924583A (en) * | 2014-04-08 | 2014-07-16 | 中交第一公路工程局有限公司 | Telescoping cross rigid supporting system device for reinforcement cage framework |
| CN104018491A (en) * | 2014-05-30 | 2014-09-03 | 江苏固丰管桩集团有限公司 | Enhanced prefabricated reinforced concrete square pile |
| CN204456078U (en) * | 2015-01-30 | 2015-07-08 | 国家电网公司 | Extra-high voltage bored concrete pile foundation reinforcing cage internal support |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109505296A (en) * | 2019-01-07 | 2019-03-22 | 中铁七局集团有限公司 | A kind of reusable steel reinforcement cage anti-deformation bracket |
| CN110029658A (en) * | 2019-04-19 | 2019-07-19 | 荆州市荆力工程设计咨询有限责任公司 | A kind of steel reinforcement cage supporting member for overhead transmission line bored concrete pile |
| CN113585625A (en) * | 2021-07-26 | 2021-11-02 | 中铁一局集团(广州)建设工程有限公司 | Triangle-shaped steel reinforcement cage owner muscle installation stand pipe |
| CN117905233A (en) * | 2024-03-19 | 2024-04-19 | 福建兴夷交通科技有限公司 | Mechanical connection group for highway bridge engineering pile foundation steel bars |
| CN117905233B (en) * | 2024-03-19 | 2024-06-04 | 福建兴夷交通科技有限公司 | Mechanical connection group for highway bridge engineering pile foundation steel bars |
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Application publication date: 20160622 |