CN105544510A - Pile forming method of cast-in-situ bored pile - Google Patents
Pile forming method of cast-in-situ bored pile Download PDFInfo
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- CN105544510A CN105544510A CN201510993668.5A CN201510993668A CN105544510A CN 105544510 A CN105544510 A CN 105544510A CN 201510993668 A CN201510993668 A CN 201510993668A CN 105544510 A CN105544510 A CN 105544510A
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- reinforcing cage
- boring
- bored pile
- pile
- spliced
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- 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
- E02D5/36—Concrete or concrete-like piles cast in position ; Apparatus for making same making without use of mouldpipes or other moulds
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/08—Sinking workpieces into water or soil inasmuch as not provided for elsewhere
Abstract
The invention discloses a pile forming method of a cast-in-situ bored pile and relates to the technical field of pile foundations. By the adoption of the pile forming method, the technical problems that according to an existing pile forming method of the cast-in-situ bored pile, the machine investment and labor investment are large, and the pile forming speed is low are solved. According to the main technical scheme, the pile forming method of the cast-in-situ bored pile comprises the following steps that pore forming is conducted, a full-hydraulic submersible drill machine is adopted for pore forming operation, and a drill hole is obtained; a reinforcement cage is placed, and the reinforcement cage is integrally placed into the drill hole in a hung mode; and concrete is poured, the concrete is poured into the drill hole, and the cast-in-situ bored pile is obtained. When pore forming is conducted and the reinforcement cage is placed, slurry in the drill hole is pumped continuously while the slurry is continuously injected into the drill hole through a slurry circulating system,; when the concrete is poured, the overflowed slurry is pumped out through the slurry circulating system. The fast pile forming method of the cast-in-situ bored pile is economical and efficient.
Description
Technical field
The present invention relates to pile foundation technical field, particularly relate to a kind of piling method of bored pile.
Background technology
Bored pile refers to and in foundation soil, forms stake holes by machine drilling means at engineering site, places reinforcing cage, concrete perfusion and the stake of making after pore-forming in hole.Owing to having, drilling hole bored concrete pile technology can make that bearing capacity is large, the stake of larger diameter and various length and be suitable for various soil property, and obtains in urban architecture and generally apply.
Existing construction technology of cast-in-place bored mainly adopts GPS type rig to carry out pore-forming operation on ground, forms stake holes.Meanwhile, when laying reinforcing cage in stake holes, reinforcing cage of being holed by single-unit is transferred one by one, and while reinforcing cage transfers in single-unit boring, need by after the reinforcing cage sections of transferring be connected at stake mouth place with the reinforcing cage sections of front transferring.
When performing above-mentioned construction technology of cast-in-place bored, the present inventor finds that in prior art, at least there are the following problems:
(1) in existing drilled pile construction, the splicing step of reinforcing cage is carried out after pore-forming, need take stake holes, not only makes bored pile construction efficiency low, also occupies the plenty of time, the problem such as cause collapse hole, sediment blocked up, affects pile foundation construction quality.
(2) machinery that GPS type rig not only drops in work progress is measured greatly with artificial, and pile-forming speed is slow, pile efficiency is low.
Summary of the invention
In view of this, the embodiment of the present invention provides a kind of piling method of bored pile, and main purpose improves the pile efficiency of bored pile.
For achieving the above object, the present invention mainly provides following technical scheme:
Embodiments provide a kind of piling method of bored pile, described piling method comprises the steps:
Pore formation step, adopts rig to carry out pore-forming operation, is holed;
Reinforcing cage lays step, and reinforcing cage entirety is hung onto described bore inner;
Filling concrete step, concrete perfusion in described boring, obtains bored pile;
Wherein, carrying out described pore formation step, reinforcing cage is when laying step, utilizes mud circulating system by while in continuous for mud injection hole, constantly extracts the mud in boring;
When carrying out filling concrete step, mud circulating system is utilized to be extracted out by the mud overflowed.
Preferably, described rig is all-hydraulic diving drill machine.
Preferably, before described reinforcing cage lays step, also comprise:
Reinforcing cage splicing step, is spliced into reinforcing cage by reinforcing cage sections; Preferably, reinforcing cage hanging device is adopted to coordinate crane gear that reinforcing cage sections is spliced into reinforcing cage.
Preferably, described reinforcing cage splicing step and described pore formation step carry out simultaneously.
Preferably, described reinforcing cage hanging device comprises braced structures and platform; Described platform is arranged in described braced structures, and described platform is provided with at least one suspended structure, vertically hangs up for making reinforcing cage sections.
Preferably, described reinforcing cage splicing step specifically comprises:
The first crane gear is utilized vertically to be hung up on the platform by reinforcing cage sections to be spliced;
Utilize the second crane gear by the top of reinforcement cage hoisting to described reinforcing cage sections to be spliced; Wherein, the reinforcing cage that the reinforcing cage that described second crane gear lifts by crane is a reinforcing cage sections or is spliced by multiple reinforcing cage sections;
The reinforcing cage lower end that described reinforcing cage sections to be spliced and described second crane gear lift by crane is spliced by operating personnel or operating equipment.
Preferably, described platform is provided with at least one and hangs up mouth, wherein, each hangs up in mouth and is provided with suspended structure, for hanging the upper end of reinforcing cage; Or
Described platform comprises platform body and hanging rack; Wherein, described platform body is provided with at least one and hangs up mouth, hang up mouth described in each and be provided with suspended structure; Described hanging rack comprises to be fixed with platform body and from the outward extending rod of described platform body; Wherein, forming the suspension mouth of a uncovered setting between arbitrary neighborhood two rods, being provided with described suspended structure in each described suspension mouth, for hanging the upper end of reinforcing cage sections;
Preferably, described at least one hang up the splicing mouth that mouth is arranged for splice bar cage sections;
In reinforcing cage splicing step, the first crane gear is utilized vertically to hang up at described splicing mouth by reinforcing cage sections to be spliced; The reinforcing cage lower end that reinforcing cage sections in described splicing mouth and described second crane gear lift by crane is spliced by operating personnel or operating equipment.
Preferably, described all-hydraulic diving drill machine selects the all-hydraulic diving drill machine of SQ10.
Preferably, when described pore formation step carries out, mud circulation mode is direct circulation.
Preferably, before described pore formation step, also comprise preparation process before holing, wherein, before described boring, preparation process comprises:
Cure process is carried out to pile foundation construction place, after being slotted in stake site, squeezes into reinforcing bar as boring anchor point, and bury casing underground.
Preferably, in described pore formation step, after the drill bit of described all-hydraulic diving drill machine arrives design elevation, first time clear hole process is carried out to described boring.
Preferably, after first time clear hole process is carried out in boring, the thickness that the hole depth of measurement boring and brill inner hole deposition become silted up;
Wherein, if described hole depth and the heavy thickness become silted up meet setting requirement, then pore formation step is terminated;
If the hole depth of boring and the heavy thickness become silted up do not meet setting requirement, then continue boring or carry out hole place clearly
Reason.Preferably, described filling concrete step is specially:
Conduit is transferred in described boring;
Second time clear hole process is carried out to boring;
Test the hole depth of described boring and the heavy thickness become silted up;
If the hole depth of boring and the heavy thickness become silted up all meet setting requirement, then to concrete perfusion in boring, obtain bored pile.
Preferably, if the hole depth of boring or the heavy thickness become silted up do not meet setting requirement, then continue to carry out hole process clearly to boring.
Compared with prior art, the piling method of the bored pile of embodiment of the present invention proposition at least has following beneficial effect:
(1) piling method of bored pile that provides of the embodiment of the present invention, while rig carries out pore-forming, by reinforcing cage hanging device, reinforcing cage sections is spliced into reinforcing cage, compare conventional borehole pile driving construction must take stake holes carry out reinforcing cage splicing compare, deduct the time shared by traditional reinforcing cage splicing, greatly shorten pile foundation construction required time, and avoid stake holes and pass in time and produce quality problems, the piling method of the bored pile that the embodiment of the present invention provides, improves pile quality and the speed of bored pile.
(2) piling method of bored pile that provides of the embodiment of the present invention, the all-hydraulic diving drill machine of preferred employing replaces traditional GPS type rig to carry out perforate operation, because all-hydraulic diving drill machine (especially the all-hydraulic diving drill machine of SQ10) has high speed submerged unit head and Telescopic sealed drilling rod, thus while the artificial amount of reduction machinery, significantly improve speed of fulfiling hole and pile efficiency.The all-hydraulic diving drill machine of SQ10 has the feature mobile convenient, pile-forming speed is fast, can carry out the operation of jump pore-forming between multiple construction point, improves pile speed.
(3) piling method of bored pile that the embodiment of the present invention provides adopts reinforcing cage hanging device to splice reinforcing cage sections, improves the quick splicing speed of reinforcing cage sections, also saves labour.In addition, this reinforcing cage hanging device can also deposit reinforcing cage sections, thus makes depositing of reinforcing cage sections take less place, can not bring impact to traffic.
(4) reinforcing cage is being laid in step by the piling method of bored pile that the embodiment of the present invention provides, directly the reinforcing cage entirety of having been spliced by reinforcing cage sections is hung in boring, make the speed of laying of reinforcing cage fast like this, and the splicing effect of energy precheck reinforcing cage sections, improve pile quality and speed.
To sum up, the piling method of bored pile that the embodiment of the present invention proposes also makes full use of the advantages such as the speed of application of all-hydraulic diving drill machine is fast, movement is convenient, noise is little, reasonable arrangement each road working procedure, make SQ10 fast pore-creating and reinforcing cage entirety splice operation simultaneously, form a kind of piling method rapidly and efficiently.
Accompanying drawing explanation
The schematic flow sheet of the piling method of a kind of hole pouring pile that Fig. 1 provides for the embodiment of the present invention;
The schematic flow sheet of the piling method of the another kind of hole pouring pile that Fig. 2 provides for the embodiment of the present invention;
The lateral view of the reinforcing cage hanging device that Fig. 3 provides for the embodiment of the present invention;
The structural representation of the platform of a kind of reinforcing cage hanging device that Fig. 4 provides for the embodiment of the present invention;
A kind of Another Application schematic diagram of reinforcing cage hanging device of Fig. 5 for providing for the embodiment of the present invention.
Detailed description of the invention
For further setting forth the present invention for the technological means reaching predetermined goal of the invention and take and effect, below in conjunction with accompanying drawing and preferred embodiment, to according to the detailed description of the invention of the present patent application, structure, feature and effect thereof, be described in detail as follows.In the following description, the not necessarily same embodiment that different " embodiment " or " embodiment " refers to.In addition, special characteristic, structure or feature in one or more embodiment can be combined by any suitable form.
Below in conjunction with embodiment, the present invention is described in further detail.
Embodiment 1
As shown in Figure 1, the present embodiment provides a kind of piling method of bored pile, and wherein, this piling method comprises the steps:
Pore formation step: adopt rig to carry out pore-forming operation, holed;
Reinforcing cage lays step: reinforcing cage entirety is hung onto described bore inner;
Filling concrete step: concrete perfusion in described boring, obtains bored pile.
Wherein, carrying out described pore formation step, reinforcing cage is when laying step, utilizes mud circulating system by while in continuous for mud injection hole, constantly extracts the mud in boring, mud is constantly circulated in boring.When carrying out filling concrete step, mud circulating system is utilized to be extracted out in time by the mud of spilling.
Preferably, all-hydraulic diving drill machine selected by the rig in the present embodiment.Preferably, all-hydraulic diving drill machine selects the all-hydraulic diving drill machine of SQ10.Because the all-hydraulic diving drill machine of SQ10 has mobile advantage easily, jump construction can be carried out between multiple construction point, as after first construction point pore-forming terminates, the all-hydraulic diving drill machine of SQ10 immediately moves to second construction point and carries out pore-forming operation, the work of the first construction point is handed to ensuing reinforcing cage and lays and filling concrete operation.Therefore, when becoming multiple bored pile, adopt the all-hydraulic diving drill machine of SQ10 to improve the pile speed of multiple bored pile.Preferably, the all-hydraulic diving drill machine of the SQ10 in the present embodiment comes from Shanghai Shangtan Engineering Machinery Co., Ltd..
Preferably, when carrying out described pore formation step, the mud circulation mode in described mud circulation step is direct circulation.
The piling method of the bored pile that the present embodiment provides, all-hydraulic diving drill machine is adopted to replace traditional GPS type rig to carry out perforate operation on the one hand, because all-hydraulic diving drill machine (especially the all-hydraulic diving drill machine of SQ10) has high speed submerged unit head and Telescopic sealed drilling rod, thus while the artificial amount of reduction machinery, significantly improve speed of fulfiling hole and pile-forming speed.On the other hand, when being laid by reinforcing cage, the reinforcing cage entirety of having been spliced by reinforcing cage sections directly hangs in boring by the present embodiment, makes the speed of laying of reinforcing cage fast like this, and the splicing effect of energy precheck reinforcing cage sections, improve pile quality and speed.To sum up, the piling method of the bored pile in the present embodiment is a kind of piling method of economical and efficient.
Embodiment 2
The present embodiment provides a kind of piling method of bored pile, compared with a upper embodiment, the piling method of the bored pile in the present embodiment, before described reinforcing cage lays step, also comprises: reinforcing cage splicing step, is spliced into reinforcing cage by reinforcing cage sections.Preferably, while carrying out described pore formation step, reinforcing cage sections is spliced into reinforcing cage.
Reinforcing cage sections, by while pore formation step, is spliced into reinforcing cage entirety, like this at the end of pore formation step, just can directly reinforcing cage entirety be transferred in boring by the piling method of the bored pile that the present embodiment provides.In terms of existing technologies, save the time of reinforcing cage splicing needed for step, thus improve pile quality and the speed of bored pile further.
Embodiment 3
The present embodiment provides a kind of piling method of bored pile, compared with embodiment 2, in reinforcing cage splicing step, adopts reinforcing cage hanging device that reinforcing cage sections is spliced into reinforcing cage.
Particularly, as shown in Figure 3, reinforcing cage hanging device comprises braced structures 1 and platform 2; Platform 2 is arranged in described braced structures 1, and platform 2 is provided with at least one suspended structure, and this suspended structure is used for hanging up reinforcing cage sections, and reinforcing cage sections is vertically hung up on platform 2.
As shown in Figure 5, utilize reinforcing cage hanging device to coordinate crane gear reinforcing cage sections to be spliced into the step of reinforcing cage, specifically comprise: utilize the first crane gear 5 vertically to be hung up on platform 2 by reinforcing cage sections 32 to be spliced.The second crane gear 4 is utilized reinforcing cage 31 to be lifted to the top of reinforcing cage sections 32 to be spliced.Wherein, the reinforcing cage that the reinforcing cage 32 that the second crane gear 4 lifts by crane is a reinforcing cage sections or is spliced by multiple reinforcing cage sections.The lower end of the reinforcing cage 31 that reinforcing cage sections 32 to be spliced and the second crane gear 5 lift by crane by operating personnel or operating equipment is spliced.
In the present embodiment, by adopting above-mentioned reinforcing cage hanging device, the quick splicing of reinforcing cage sections can not only be realized, the time of carrying out reinforcing cage splicing step can also be selected according to actual needs, splicing step and pore formation step as made reinforcing cage synchronously to carry out, achieving the raising pile quality of bored pile and the object of speed
Embodiment 4
The present embodiment provides a kind of piling method of bored pile, compared with embodiment 3, has the following two kinds form in the present embodiment about the structure of platform in reinforcing cage hanging device:
Wherein a kind of form of structure is: as described in Figure 4, and the structure of platform 2 is specific as follows: platform 2 is provided with at least one and hangs up mouth 22, and wherein, each hangs up in mouth 22 and is provided with suspended structure, for hanging the upper end of reinforcing cage.
Another form of structure is: as shown in Figure 4, and platform comprises platform body and hanging rack; Wherein, platform body is provided with at least one and hangs up mouth 22, each mouth 22 that hangs up is provided with suspended structure; Hanging rack comprises to be fixed with platform body and from the outward extending rod 21 of described platform body; Wherein, forming the suspension mouth of a uncovered setting between arbitrary neighborhood two rods, being provided with described suspended structure 221 in each suspension mouth, for hanging the upper end of reinforcing cage sections.
By the Platform Designing of reinforcing cage hanging device is become as above structure, reinforcing cage hanging device can not only be made to splice reinforcing cage sections, can also be used for depositing reinforcing cage sections, to reduce the space that reinforcing cage sections takies job site.
Preferably, at least one on platform is hung up the splicing mouth 23 that mouth 22 is arranged for splice bar cage sections.Like this in reinforcing cage splicing step, the first crane gear is utilized vertically to be hung up by reinforcing cage sections to be spliced in splicing mouth 23; The reinforcing cage lower end that reinforcing cage sections in splicing mouth 23 and the second crane gear lift by crane is spliced by operating personnel or operating equipment.Preferably, be positioned at and be convenient to hang up reinforcing cage to be spliced, the uncovered setting of splicing mouth 23.Preferably, platform is also provided with operating desk 24, so that operating personnel or operating equipment carry out concatenation in the position near splicing mouth 23.
Embodiment 5
As shown in Figure 2, the present embodiment provides a kind of piling method of bored pile, and compared with above-described embodiment, in the present embodiment, the piling method of bored pile also comprised before described pore formation step: preparation process before boring.Wherein, before boring, preparation process comprises: carry out cure process to pile foundation construction place, after being slotted in stake site, squeezes into reinforcing bar as boring anchor point, and buries casing underground according to standard-required.
Preferably, the piling method of the bored pile in the present embodiment, in pore formation step, after the drill bit of all-hydraulic diving drill machine arrives design elevation, carries out first time clear hole process to boring.And after first time clear hole process is carried out in boring, measure the hole depth of boring and the heavy thickness become silted up;
Wherein, if the hole depth of boring and the heavy thickness become silted up meet setting and require (preferably, this setting requires when carrying out bored pile construction operation, to the hole depth of stake holes and the standard-required of the heavy thickness become silted up, below in like manner), then all-hydraulic diving drill machine is displaced to next construction point, terminates the pore formation step of this construction point.If the hole depth of boring and the heavy thickness become silted up do not meet setting requirement, then continue boring or carry out hole process clearly, require until hole depth and the heavy thickness become silted up meet setting.
In addition, as shown in Figure 2, in the present embodiment, the filling concrete step of the piling method of bored pile specifically comprises:
1, conduit is put into boring.
2, second time clear hole process is carried out to boring.
3, the hole depth of testing bore holes and the thickness of heavy silt; If the hole depth of boring and the heavy thickness become silted up meet setting requirement, then to concrete perfusion in boring, obtain bored pile.If the hole depth of boring or the heavy thickness become silted up do not meet setting requirement, then continue to continue second time clear hole process to boring, require until the hole depth of boring and the heavy thickness become silted up meet setting.
Embodiment 6
As shown in Figure 2, the course of work of carrying out pile at the piling method of the bored pile adopting above-described embodiment to propose is specific as follows, first, hardens to the place of construction point, squeeze into reinforcing bar after the fluting of stake site as boring anchor point, and bury casing underground by standard-required.Secondly, all-hydraulic for SQ10 diving drill machine is moved to this construction point place, and drill bit align piles is goed deep in casing behind site.3rd, open mud circulating system, SQ10 starts lower brill, after drill bit arrives design elevation, carry out first time clear hole, and measure drilling depth and heavy silt thickness, if meet standard-required, then carry brill, carry the all-hydraulic diving drill machine of the SQ10 after brill and move to another construction point and proceed pore-forming operation.4th, after drilled pile reinforcing cage being completed on hanging frame device overall splicing, under disposable integral, put into the stake holes become, after reinforcing cage is laid, carry out second time clear hole process, until the stake holes degree of depth and heavy silt thickness meet standard-required.5th, transfer conduit, carry out the concrete perfusion of drilled pile by standard-required.Finally, bored pile is obtained.
To sum up, the piling method of bored pile that the embodiment of the present invention proposes also makes full use of the advantages such as the speed of application of the all-hydraulic diving drill machine of SQ10 is fast, movement is convenient, noise is little, reasonable arrangement each road working procedure, make SQ10 fast pore-creating, reinforcing cage entirety is laid, filling concrete carries out operation with running water mode, form a kind of piling method rapidly and efficiently.
Those skilled in the art are it is easily understood that under the prerequisite of not conflicting, and above-mentioned each advantageous manner freely can combine, superpose.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; change can be expected easily or replace, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of described claim.
Claims (10)
1. a piling method for bored pile, is characterized in that, described piling method comprises the steps:
Pore formation step, adopts rig to carry out pore-forming operation, is holed;
Reinforcing cage lays step, and reinforcing cage entirety is hung onto described bore inner;
Filling concrete step, concrete perfusion in described boring, obtains bored pile;
Wherein, carrying out described pore formation step, reinforcing cage is when laying step, utilizes mud circulating system by while in continuous for mud injection hole, constantly extracts the mud in boring;
When carrying out filling concrete step, mud circulating system is utilized to be extracted out by the mud overflowed.
Preferably, described rig is all-hydraulic diving drill machine.
2. the piling method of bored pile according to claim 1, is characterized in that, before described reinforcing cage lays step, also comprises:
Reinforcing cage splicing step, is spliced into reinforcing cage by reinforcing cage sections; Preferably, reinforcing cage hanging device is adopted to coordinate crane gear that reinforcing cage sections is spliced into reinforcing cage.
3. the piling method of bored pile according to claim 1 and 2, is characterized in that, described reinforcing cage splicing step and described pore formation step carry out simultaneously.
4. the piling method of the bored pile according to Claims 2 or 3, is characterized in that, described reinforcing cage hanging device comprises braced structures and platform; Described platform is arranged in described braced structures, and described platform is provided with at least one suspended structure, vertically hangs up for making reinforcing cage sections.
5. the piling method of bored pile according to claim 4, is characterized in that, described reinforcing cage splicing step specifically comprises:
The first crane gear is utilized vertically to be hung up on the platform by reinforcing cage sections to be spliced;
Utilize the second crane gear by the top of reinforcement cage hoisting to described reinforcing cage sections to be spliced; Wherein, the reinforcing cage that the reinforcing cage that described second crane gear lifts by crane is a reinforcing cage sections or is spliced by multiple reinforcing cage sections;
The reinforcing cage lower end that described reinforcing cage sections to be spliced and described second crane gear lift by crane is spliced by operating personnel or operating equipment.
6. the piling method of bored pile according to claim 5, is characterized in that, described platform is provided with at least one and hangs up mouth, and wherein, each hangs up in mouth and is provided with suspended structure, for hanging the upper end of reinforcing cage; Or
Described platform comprises platform body and hanging rack; Wherein, described platform body is provided with at least one and hangs up mouth, hang up mouth described in each and be provided with suspended structure; Described hanging rack comprises to be fixed with platform body and from the outward extending rod of described platform body; Wherein, forming the suspension mouth of a uncovered setting between arbitrary neighborhood two rods, being provided with described suspended structure in each described suspension mouth, for hanging the upper end of reinforcing cage sections;
Preferably, described at least one hang up the splicing mouth that mouth is arranged for splice bar cage sections;
In reinforcing cage splicing step, the first crane gear is utilized vertically to hang up at described splicing mouth by reinforcing cage sections to be spliced; The reinforcing cage lower end that reinforcing cage sections in described splicing mouth and the second crane gear lift by crane is spliced by operating personnel or operating equipment.
7. the piling method of the bored pile according to any one of claim 1-6, is characterized in that, described all-hydraulic diving drill machine selects the all-hydraulic diving drill machine of SQ10.
8. the piling method of the bored pile according to any one of claim 1-7, is characterized in that, when carrying out described pore formation step, the mode of mud circulation is direct circulation;
Further, before described pore formation step, also comprise preparation process before holing, wherein, before described boring, preparation process comprises: carry out cure process to pile foundation construction place, after being slotted in stake site, squeezes into reinforcing bar as boring anchor point, and buries casing underground.
9. the piling method of the bored pile according to any one of claim 1-8, is characterized in that, in described pore formation step, after the drill bit of described all-hydraulic diving drill machine arrives design elevation, carries out first time clear hole process to described boring;
Preferably, after first time clear hole process is carried out in boring, measure the hole depth of boring and the heavy thickness become silted up;
Wherein, if described hole depth and the heavy thickness become silted up meet setting requirement, then pore formation step is terminated;
If the hole depth of boring and the heavy thickness become silted up do not meet setting requirement, then continue boring or carry out hole process clearly.
10. according to the piling method of the bored pile of any one of claim 1-9, it is characterized in that, described filling concrete step is specially:
Conduit is transferred in described boring;
Second time clear hole process is carried out to boring;
Test the hole depth of described boring and the heavy thickness become silted up;
If described hole depth and the heavy thickness become silted up all meet setting requirement, then to concrete perfusion in boring, obtain bored pile;
If described hole depth or the heavy thickness become silted up do not meet setting requirement, then continue to carry out hole process clearly to boring.
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| CN201510993668.5A CN105544510B (en) | 2015-12-25 | 2015-12-25 | A kind of pile making method of cast-in-situ bored pile |
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| CN201510993668.5A CN105544510B (en) | 2015-12-25 | 2015-12-25 | A kind of pile making method of cast-in-situ bored pile |
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| CN105544510B CN105544510B (en) | 2017-12-12 |
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| CN109914393A (en) * | 2019-02-28 | 2019-06-21 | 温州国宁建设有限公司 | A kind of bored concrete pile being readily transported and its construction technology |
| CN111119169A (en) * | 2019-12-23 | 2020-05-08 | 诚通凯胜生态建设有限公司 | Construction method of drilled pile |
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| CN104947654A (en) * | 2015-07-01 | 2015-09-30 | 杭州江润科技有限公司 | Complicated water area inclined rock face large-diameter cast-in-place pile and construction method |
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| KR20100129020A (en) * | 2009-05-29 | 2010-12-08 | 김선영 | Concrete filled steel tube construction method capable of tension |
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| CN111119169A (en) * | 2019-12-23 | 2020-05-08 | 诚通凯胜生态建设有限公司 | Construction method of drilled pile |
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| CN105544510B (en) | 2017-12-12 |
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