CN102518122B - Leading-in method of bridge foundation reinforced concrete hole pile reinforcing cage - Google Patents
Leading-in method of bridge foundation reinforced concrete hole pile reinforcing cage Download PDFInfo
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- CN102518122B CN102518122B CN201110365621.6A CN201110365621A CN102518122B CN 102518122 B CN102518122 B CN 102518122B CN 201110365621 A CN201110365621 A CN 201110365621A CN 102518122 B CN102518122 B CN 102518122B
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Abstract
The invention provides a leading-in method of a bridge foundation reinforced concrete hole pile reinforcing cage and relates to a leading-in method of a reinforced concrete pile. The method comprises a drilling step, a reinforcing cage manufacturing step, a rope preparation step and a reinforcing cage intra-hole leading-in step, wherein the outer edge of the lower end part of a columnar reinforcing cage is provided with three brackets (6) of at least three cement guide wheels (4) at equal intervals; wheel shafts (5) of the cement wheels are fixed on the brackets; and the outer edge surfaces of the cement wheels are provided with surrounding grooves (7) or are arc-shaped surfaces (8). According to the method, a guide rope or a pull rope is in contact with the wall of a hollow round pile hole, so that soil falling into the hollow round pile hole is as little as possible; and a guide rope or pull rope leading-in mode is adopted, so that during a lowering process, the guide rope or the pull rope cannot scratch the wall of the hollow round pile hole and also can compact the wall of the hollow round pile hole, and the cement wheels left in the wall of the hollow round pile hole ensure that the reinforcing cage automatically maintains the distance between the reinforcing cage and the wall of the hollow round pile hole.
Description
[technical field]
The present invention relates to a kind of introduction method of reinforced concrete pile, especially relate to a kind of introduction method of bridge foundation reinforced concrete hole pile cages.
[background technology]
Known, in bridge, the effect of bridge pier is to bear the whole load that top crossstructure transmits, and the heeling-in bridge pier pile load of they and bottom is passed to ground.Therefore, for safety and normal use of full-bridge, require bridge pier and bridge pier stake will have enough intensity, rigidity and resistance to overturning, make it not produce excessive horizontal displacement or differential settlement.
Because bridge pier is compared with buildings in general basis, bridge foundation is embedding darker, main cause is: owing to acting on Load concentration on basis and powerful, in addition shallow soil is generally softer, be difficult to sustain this load, therefore be necessary that a stake basis, hole, to downward-extension, makes to be placed on the ground that bearing capacity is higher; Given this when the stake hole descending reinforcing cage before joints cement, often there is a reinforcing cage scratch stake hole wall, make earth bulk deposition in stake hole, cause lower rebar cage among earth, due to the impact of moisture in earth, reinforcing cage bottom there will be corrosion " be commonly called as rotten ", and reinforcing cage is not in the situation that guiding, also there will be bottom deviation, make reinforcing cage one side directly contact with earth and occur corrosion, affect pile body firmness and load supporting capacity.
[summary of the invention]
In order to overcome the deficiency in background technology, the present invention discloses a kind of introduction method of reinforced concrete drilling pile cages, the introduction method of described reinforced concrete drilling pile cages contacts with hollow circular stake hole wall by strop or stay cord, prevent from directly putting into caused earth landing, make earth the least possible fall into hollow circular stake hole, effectively overcome the reinforcing cage of prior art in the drawback that occurs bottom deviation.
For achieving the above object, the present invention adopts following technical scheme:
An introduction method for bridge foundation reinforced concrete hole pile cages, comprises and in the hole of boring, fabrication of reinforcing cage, preparation rope and reinforcing cage, imports step;
One, boring:
Utilize rig to carry out hammering method, lash method or implantation according to design drawing and get required hollow circular stake hole " because described hammering method, lash method or implantation are this area conventional construction method, therefore the present invention will not describe in detail at this ";
Two, fabrication of reinforcing cage:
Reinforcing bar is made into spring shape reinforcing bar by angle bender, utilize in the many rounded annular wall that are arranged in spring shape reinforcing bar of perpendicular reinforcing bar, utilization is tied up silk and is fixed or utilize reinforcing bar cage seam welding roll welding to fix, make the perpendicular reinforcing bar of spring shape reinforcing bar and Duo Gen be column reinforcing cage, at at least three guiding cement wheel supports of the equidistant setting of the bottom of column reinforcing cage outer rim, the wheel shaft of cement wheel is fixed on support, the outer edge surface of described cement wheel is to have the cement wheel of circumferential groove or the outer edge surface of described cement wheel is arc surface, the column reinforcing cage of making is stacked after the assay was approved on request supervisor,
Three, prepare rope:
When the outer edge surface of A, previous step cement wheel has circumferential groove, at least the stay cord of twice is for subsequent use higher than column reinforcing cage height to prepare equal number and length according to the cement wheel quantity arranging on column reinforcing cage;
When the outer edge surface of B, previous step cement wheel is arc surface, making width is the cloth bag of one to one. 5 times of width of cement wheel width, two ropes are placed in respectively to the both sides of cloth bag and fix by sewing, form " Β " font or figure of eight structure, the strop of described " Β " font or the figure of eight is for subsequent use;
Four, in the hole of reinforcing cage, import:
Sling in the upper end that is column reinforcing cage, utilize the stay cord that matches with cement wheel outer edge surface or strop are through in the circumferential groove of cement wheel or are wrapped on the arc surface of cement wheel, in hollow circular stake hole, put into column reinforcing cage slowly, one end of close column reinforcing cage one side of at least three hand-held stay cords of constructor or strop, stay cord or the strop that now should prevent outside contact with hollow circular stake hole wall as far as possible, only allow and be wrapped in cement and take turns outside stay cord or strop and contact with a hollow circular stake hole wall, until described in be column reinforcing cage and put into hollow circular stake hole completely, described in adjustment, be the hollow circular stake pitch of holes of column reinforcing cage and surrounding, reclaim stay cord or strop,
Then just can according to construction requirement concrete perfusion.
The introduction method of described bridge foundation reinforced concrete hole pile cages, described stay cord material is comparatively wear-resisting nylon withdrawal line, cotton thread stay cord or rope made of hemp stay cord.
The introduction method of described bridge foundation reinforced concrete hole pile cages, described support is " U " shape structure, " V " shape structure or " (" shape structure, described support is two one group, described " U " shape structure, " V " shape structure or the " support of (" shape structure, the two ends up and down of each group are separately fixed on column reinforcing cage, and the wheel shaft two ends of cement wheel are respectively with described " U " shape structure, " V " shape structure or " support of (" shape structure is fixedly connected with.
Owing to adopting technical scheme as above, the present invention has following beneficial effect:
The introduction method of reinforced concrete drilling pile cages of the present invention, contact with a hollow circular stake hole wall by strop or stay cord, has prevented from directly putting into caused earth landing, make earth the least possible fall into a hollow circular hole; The present invention is owing to having adopted the lead-in mode of strop or stay cord, described strop or the stay cord decentralization process hollow circular stake hole wall that not only can not scratch, but also the hollow circular stake hole wall of meeting compacting, the cement wheel of staying in hollow circular stake hole wall also can make reinforcing cage automatically keep the spacing of reinforcing cage and hollow circular stake hole wall, and reinforcing cage middle part also can keep the distance with hollow circular stake hole wall.
[accompanying drawing explanation]
Fig. 1 is structural representation of the present invention;
Fig. 2 is that guide wheel of the present invention and stay cord are installed and used schematic diagram;
Fig. 3 is that another embodiment and the strop of guide wheel of the present invention uses structural representation;
In figure: 1, perpendicular reinforcing bar; 2, spring shape reinforcing bar; 3, stay cord; 4, cement wheel; 5, wheel shaft; 6, support; 7, groove; 8, arc surface; 9, cloth bag; 10, rope.
[specific embodiment]
Can explain in more detail the present invention by the following examples, the present invention is not limited to the following examples;
The introduction method of the bridge foundation reinforced concrete hole pile cages described in 1 or 2 or 3 by reference to the accompanying drawings, comprises and in the hole of boring, fabrication of reinforcing cage, preparation rope and reinforcing cage, imports step;
One, boring:
Utilize rig to carry out hammering method, lash method or implantation according to design drawing and get required hollow circular stake hole " because described hammering method, lash method or implantation are this area conventional construction method, therefore the present invention will not describe in detail at this ";
Two, fabrication of reinforcing cage:
Reinforcing bar is made into spring shape reinforcing bar 2 by angle bender, utilize in the many rounded annular wall that are arranged in spring shape reinforcing bar 2 of perpendicular reinforcing bar 1, utilization is tied up silk and is fixed or utilize reinforcing bar cage seam welding roll welding to fix, make the perpendicular reinforcing bar 1 of spring shape reinforcing bar 2 and Duo Gen be column reinforcing cage, take turns 4 supports 6 at least three guiding cement of the equidistant setting of the bottom of column reinforcing cage outer rim, the wheel shaft 5 of cement wheel 4 is fixed on support 6, the outer edge surface of described cement wheel 4 is to have the cement wheel 4 of circumferential groove 7 or the outer edge surface of described cement wheel 4 is arc surface 8, the column reinforcing cage of making is stacked after the assay was approved on request supervisor,
Three, prepare rope:
When the outer edge surface of A, previous step cement wheel 4 has circumferential groove 7, take turns 4 quantity according to the cement arranging on column reinforcing cage and prepare equal numbers and length at least the stay cord 3 of twice is for subsequent use higher than column reinforcing cage height;
When the outer edge surface of B, previous step cement wheel 4 is arc surface 8, making width is the cloth bag 9 that cement is taken turns one to one. 5 times of width of 4 width, two ropes 10 are placed in respectively to the both sides of cloth bag 9 and fix by sewing, form " Β " font or figure of eight structure, the strop of described " Β " font or the figure of eight is for subsequent use;
Four, in the hole of reinforcing cage, import:
Sling in the upper end that is column reinforcing cage, utilize and take turns stay cord 3 that 4 outer edge surfaces match or strop with cement and be through in the circumferential groove 7 of cement wheel 4 or be wrapped on the arc surface 8 of cement wheel 4, in hollow circular stake hole, put into column reinforcing cage slowly, one end of close column reinforcing cage one side of at least three hand-held stay cords 3 of constructor or strop, stay cord 3 or the strop that now should prevent outside contact with hollow circular stake hole wall as far as possible, only allow and be wrapped in that cement is taken turns the stay cord 3 of 4 outsides or strop contacts with a hollow circular stake hole wall, until described in be column reinforcing cage and put into hollow circular stake hole completely, described in adjustment, be the hollow circular stake pitch of holes of column reinforcing cage and surrounding, reclaim stay cord 3 or strop,
Then just can according to construction requirement concrete perfusion.
The introduction method of described bridge foundation reinforced concrete hole pile cages, described stay cord 3 materials are comparatively wear-resisting nylon withdrawal line 3, cotton thread stay cord 3 or rope made of hemp stay cord 3.
The introduction method of described bridge foundation reinforced concrete hole pile cages, described support 6 is " U " shape structure, " V " shape structure or " (" shape structure, described support 6 is two one group, described " U " shape structure, " V " shape structure or the " support 6 of (" shape structure, the two ends up and down of each group are separately fixed on column reinforcing cage, and wheel shaft 5 two ends of cement wheel 4 are respectively with described " U " shape structure, " V " shape structure or " support 6 of (" shape structure is fixedly connected with.
Part not in the detailed description of the invention is prior art.
Claims (3)
1. an introduction method for bridge foundation reinforced concrete hole pile cages, is characterized in that: comprise and in the hole of boring, fabrication of reinforcing cage, preparation rope and reinforcing cage, import step:
One, boring:
Utilize rig to carry out hammering method, lash method or implantation according to design drawing and get required hollow circular stake hole;
Two, fabrication of reinforcing cage:
Reinforcing bar is made into spring shape reinforcing bar (2) by angle bender, utilize in the rounded annular wall being arranged in spring shape reinforcing bar (2) of many perpendicular reinforcing bars (1), utilization is tied up silk and is fixed or utilize reinforcing bar cage seam welding roll welding to fix, make spring shape reinforcing bar (2) and many perpendicular reinforcing bars (1) be column reinforcing cage, at at least three guiding cement wheel (4) supports of the equidistant setting of the bottom of column reinforcing cage outer rim (6), the wheel shaft (5) of cement wheel (4) is fixed on support (6), the outer edge surface that the outer edge surface of described cement wheel (4) is provided with circumferential groove (7) or described cement wheel (4) is arc surface (8), the column reinforcing cage of making is stacked after the assay was approved on request supervisor,
Three, prepare rope:
When the outer edge surface of A, previous step cement wheel (4) has circumferential groove (7), at least the stay cord of twice (3) is for subsequent use higher than column reinforcing cage height to prepare equal number and length according to cement wheel (4) quantity arranging on column reinforcing cage;
When the outer edge surface of B, previous step cement wheel (4) is arc surface (8), making width is the cloth bag (9) of one to one. 5 times of width of cement wheel (4) width, two ropes (10) are placed in respectively to the both sides of cloth bag (9) and fix by sewing, form " Β " font or figure of eight structure, the strop of described " Β " font or the figure of eight is for subsequent use;
Four, in the hole of reinforcing cage, import:
Sling in the upper end that is column reinforcing cage, the stay cord (3) that utilization and cement wheel (4) outer edge surface match or strop are through cement and take turns in the circumferential groove (7) of (4) or be wrapped on the arc surface (8) of cement wheel (4), in hollow circular stake hole, put into column reinforcing cage slowly, one end of close column reinforcing cage one side of at least three hand-held stay cords of constructor (3) or strop, stay cord (3) or the strop that now should prevent outside contact with hollow circular stake hole wall as far as possible, only allow the stay cord (3) or the strop that are wrapped in cement wheel (4) outside contact with a hollow circular stake hole wall, until described in be column reinforcing cage and put into hollow circular stake hole completely, described in adjustment, be the hollow circular stake pitch of holes of column reinforcing cage and surrounding,
Then just can according to construction requirement concrete perfusion.
2. the introduction method of bridge foundation reinforced concrete hole pile cages according to claim 1, is characterized in that: described stay cord (3) material is comparatively wear-resisting nylon withdrawal line (3), cotton thread stay cord (3) or rope made of hemp stay cord (3).
3. the introduction method of bridge foundation reinforced concrete hole pile cages according to claim 1, it is characterized in that: described support (6) is " U " shape structure, " V " shape structure or " (" shape structure, described support (6) is two one group, described " U " shape structure, " V " shape structure or the " support (6) of (" shape structure, the two ends up and down of each group are separately fixed on column reinforcing cage, and wheel shaft (5) two ends of cement wheel (4) are respectively with described " U " shape structure, " V " shape structure or " support (6) of (" shape structure is fixedly connected with.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110365621.6A CN102518122B (en) | 2011-11-17 | 2011-11-17 | Leading-in method of bridge foundation reinforced concrete hole pile reinforcing cage |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110365621.6A CN102518122B (en) | 2011-11-17 | 2011-11-17 | Leading-in method of bridge foundation reinforced concrete hole pile reinforcing cage |
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| CN102518122B true CN102518122B (en) | 2014-07-09 |
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| CN104790405B (en) * | 2015-04-24 | 2016-05-25 | 山河建设集团有限公司 | A kind of method that steel reinforcement cage manually transfers that caisson is overweight |
| CN112814392B (en) * | 2021-01-07 | 2021-10-29 | 中国地质大学（北京） | Recyclable bored concrete pile steel reinforcement cage elevation positioning device |
| CN115784014B (en) * | 2023-01-06 | 2023-04-28 | 山西冶金岩土工程勘察有限公司 | Quick-mounting steel reinforcement cage lifting device |
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| JPH01136292A (en) * | 1987-11-24 | 1989-05-29 | Toshiba Corp | Sheet paper withdrawer |
| JP2944025B2 (en) * | 1995-02-21 | 1999-08-30 | 鹿島建設株式会社 | Cast-in-place pile reinforced cage construction equipment |
| JP3656225B2 (en) * | 1997-07-16 | 2005-06-08 | 東日本旅客鉄道株式会社 | Spiral muscle winding device and spiral muscle winding method |
| CN200996147Y (en) * | 2006-08-31 | 2007-12-26 | 杨修霞 | Directional reinforcing-bar cage |
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