CN105672255B - Control the construction method for double pile casings of verticality - Google Patents
Control the construction method for double pile casings of verticality Download PDFInfo
- Publication number
- CN105672255B CN105672255B CN201610096644.4A CN201610096644A CN105672255B CN 105672255 B CN105672255 B CN 105672255B CN 201610096644 A CN201610096644 A CN 201610096644A CN 105672255 B CN105672255 B CN 105672255B
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- China
- Prior art keywords
- casing
- outer casing
- construction method
- interior
- interior casing
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Classifications
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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
- E02D5/38—Concrete or concrete-like piles cast in position ; Apparatus for making same making by use of mould-pipes or other moulds
- E02D5/385—Concrete or concrete-like piles cast in position ; Apparatus for making same making by use of mould-pipes or other moulds with removal of the outer mould-pipes
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D13/00—Accessories for placing or removing piles or bulkheads, e.g. noise attenuating chambers
- E02D13/04—Guide devices; Guide frames
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D13/00—Accessories for placing or removing piles or bulkheads, e.g. noise attenuating chambers
- E02D13/06—Accessories for placing or removing piles or bulkheads, e.g. noise attenuating chambers for observation while placing
Abstract
The present invention relates to the technical fields of filling pile construction, disclose the construction method for double pile casings of control verticality, including following construction procedure：1) measure of pile position positioning, is carried out at the scene, and the anchor point of four right-angled intersections is set；2), the casing outside vertical subsidence in the ring of encirclement of four anchor points；3), projection positioning plate is distinguished in the position of the anchor point described in the aligning inner of outer casing；The casing in vertical subsidence in outer casing, the outer end of four positioning plates are connected to the outer surface of interior casing respectively.Outer casing and interior casing act on simultaneously, reduce the frictional resistance of outer casing and interior casing during decentralization and withdrawal, and interior casing and outer casing can be utilized repeatedly, reduce construction cost；Limitation positioning is carried out using four internal casings of positioning plate so that the interior casing central point of interior casing is overlapped with stake holes central point, is realized the accurate positionin of interior casing, is effectively ensured pile quality.
Description
Technical field
The present invention relates to the technical fields of filling pile construction, more particularly to the construction method for double pile casings of control verticality.
Background technology
With the propulsion of Urbanization in China, coastal area harbour, highway bridge construction demand increasingly increase.It is this kind of
Engineering foundation generally use major diameter, ultra-deep (being more than 40m) cast-in-situ bored pile, and for coastal area, such engineering is logical
The poor stratas such as loose fill, (soft) the modeling shape muck soil of stream, sand, boulder bed can be often encountered, to avoid in drilling and forming hole
Generate hole wall collapse hole, undergauge phenomena such as, ensure pile quality, in the prior art, large diameter bored pile construction pore-forming side
The profound cylinder-wall protecting construction of method generally use vibration hammer tripping in, however, profound casing, in sinking watching, the bottom of casing is not by
With the influence of formation lithology, the phenomenon that easy ting produce position offset, therefore, in the construction process, generally requires to have repeated to pull out, sink
Enter the embedded requirement that cannot be satisfied specification to casing verticality of casing or even casing.
In addition, casing, in sinking watching, casing is deeper, suffered by frictional resistance it is bigger, sinking then can be more difficult, and
And profound casing, during sinking to, verticality is difficult to ensure, is susceptible to deviation.
Invention content
The purpose of the present invention is to provide the construction method for double pile casings of control verticality, it is intended to solve shield in the prior art
Cylinder has that tripping in is difficult and deviation occurs in tripping in verticality in sinking watching.
The invention is realized in this way the construction method for double pile casings of verticality are controlled, including following construction procedure：
1) measure of pile position positioning, is carried out at the scene, and the anchor point of four right-angled intersections, four anchor points ten are set
The central point that word intersects is stake position central point；
2), the casing outside vertical subsidence in the ring of encirclement of four anchor points；
3), projection positioning plate is distinguished in the position of the anchor point described in the aligning inner of the outer casing, the positioning plate
Inner end is connected on the inner wall of the outer casing, and the outer end of the positioning plate extends along the radial inward of the outer casing；Institute
State in outer casing that casing, the outer end of four positioning plates are connected to the outer surface of the interior casing respectively in vertical subsidence.
Further, in the step 3), the interior casing central point of the interior casing is overlapped with stake position central point
Arrangement.
Further, the length of the interior casing is more than the length of the outer casing.
Further, the length of the outer casing is not more than the 1/3 of the length of the interior casing.
Further, the internal diameter of the outer casing is bigger 20cm or more than the internal diameter of the interior casing.
Further, in the step 2), in the outer casing central point of the outer casing after sinking and the stake position
There are deviations between heart point.
Further, in the step 2), sunk the outer casing using vibration hammer, and the outer casing after sinking
Upper end extend in outside ground.
Further, the height of the outer casing part above ground level after sinking is not less than 30cm.
Further, after the outer casing sinks, the part soil body in casing except as noted is drawn using rotary drilling rig.
Further, the positioning plate is tabular.
Compared with prior art, construction method for double pile casings provided by the invention, wherein outer casing and interior casing are made simultaneously
With the frictional resistance of outer casing and interior casing during decentralization and withdrawal can be effectively reduced so that interior casing and outer
Casing can be utilized repeatedly, greatly reduce construction cost；Limitation positioning is carried out using four internal casings of positioning plate so that
The interior casing central point of interior casing is overlapped with stake holes central point, realizes the accurate positionin of internal casing；The sinking of outer casing so that
Fashionable frictional resistance smaller under interior casing, easily facilitates the sinking of interior casing, while can also be relatively easy to control interior casing
Verticality effectively ensures pile quality.
Description of the drawings
Fig. 1 is the cut-away illustration of double casing constructing structures provided in an embodiment of the present invention；
Fig. 2 is the schematic top plan view of outer casing provided in an embodiment of the present invention and interior casing position relationship；
Fig. 3 is the schematic top plan view coordinated between outer casing provided in an embodiment of the present invention, interior casing and positioning plate.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
The realization of the present invention is described in detail below in conjunction with specific embodiment.
It is a preferred embodiment provided by the invention shown in referring to Fig.1~Fig. 3.
The construction method for double pile casings of control verticality provided by the invention, can be used for sinking profound casing so that profound
For casing during sinking, frictional resistance is small and is not in deviation.
Control the construction method for double pile casings of verticality comprising following construction procedure：
1) measure of pile position positioning, is carried out at the scene, and the anchor point that four right-angled intersections are arranged, four anchor points ten are set
The central point that word intersects is stake position central point, and as shown in Fig. 2 and Fig. 3, four anchor points are A, B, C, D respectively, wherein AC connects
Line, BD lines, and mutual right-angled intersection, the central point intersected between two lines are O, then are stake position central points；
2), the casing 12 outside vertical tripping in the ring of encirclement of aforementioned four anchor point；
3), in the position of the aligning inner anchor point of outer casing 12 difference projection positioning plate 13, in this way, being then correspondingly formed
Four positioning plates 13, also, the inner end of positioning plate 13 is connected on the inner wall of outer casing 12, and outer end is along 12 radial inward of outer casing
Extend；The casing 11 in vertical subsidence in outer casing 12 keeps the interior casing central point of interior casing 11 to be overlapped with stake position central point,
Also, the outer end of four positioning plates 13 is connected to respectively on the outer surface of interior casing 11.
In the construction method of above-mentioned offer, outer casing 12 as auxiliary casing, make by the positioning sunk as interior casing 11
With；Interior casing 11 plays the role of obstructing the poor stratas such as soft stratum and sandy soils, avoids occurring when later stage filling pile construction
Phenomena such as collapse hole, contracting strength and pile foundation shift.Outer casing 12 and interior casing 11 act on simultaneously, can effectively reduce outer casing 12
And frictional resistance of the interior casing 11 during decentralization and withdrawal so that interior casing 11 and outer casing 12 can be repeatedly sharp
With greatly reducing construction cost.
The construction method for double pile casings of control verticality have further the advantage that：
1), accurate positioning；It uses outside for the structure that 12 connecting inner of outer casing is interior casing 11, before construction, first puts down
Then stake holes central point is accurately positioned using four anchor points according to the tripping in physical location of outer casing 12 in outer casing 12, then
11 position of interior casing is positioned using four positioning plates 13 of 12 inner wall of outer casing so that the interior casing central point of interior casing 11 and stake
Central point of hole overlaps, and realizes the accurate positionin of internal casing 11；
2), interior casing 11 sinks to being easy, and degree control is convenient；The sinking of outer casing 12 so that fashionable under interior casing 11
Frictional resistance smaller, easily facilitate the sinking of interior casing 11, also can preferably be accurately positioned, while can also be relatively easy to control
The verticality of interior casing 11.
3), effectively ensure pile quality；Interior casing 11 is used in combination with outer casing 12, can effectively ensure interior casing
11 verticalities, and then ensure pile body verticality, ensure pile quality.
In the present embodiment, outer casing 12 is short casing, and interior casing 11 is long casing, that is to say, that the length of interior casing 11
More than the length of outer casing 12, under normal circumstances, the length of outer casing 12 is not more than the one third of the length of interior casing 11.
In addition, the interior big 20cm or more of internal diameter through than interior casing 11 of outer casing 12, certainly, according to actual needs, as long as
The diameter that the internal diameter of outer casing 12 is more than interior casing 11 then may be used.
In above-mentioned steps 2), the outer casing central point (o in such as Fig. 2 and Fig. 3 ") of the outer casing 12 after sinking in stake holes
There are deviations between heart point, allow in some a degree of deviations.
In step 2), using the outer casing 12 of vibration hammer sinking, also, the upper end of the outer casing 12 after sinking extends in ground
Outside face, the height for the part being higher by is not less than 30cm or so.
After outer casing 12 sinks to completing, the part soil body except being drawn using rotary drilling rig in casing 12, ordinary circumstance
Under, except can drawing in casing 12 1.5m high the soil body.
In the present embodiment, positioning plate 13 is tabular, in this way, convenient for the molding of positioning plate 13, and be conducive to positioning plate 13
The positioning action of internal casing 11.In addition, positioning plate 13 is disposed to extend along the radial direction of outer casing 12.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement etc., should all be included in the protection scope of the present invention made by within refreshing and principle.
Claims (9)
1. controlling the construction method for double pile casings of verticality, which is characterized in that including following construction procedure：
1) measure of pile position positioning, is carried out at the scene, and the anchor point of four right-angled intersections is set, and four anchor point crosses are handed over
The central point of fork is stake position central point；
2), the casing outside vertical subsidence in the ring of encirclement of four anchor points, in the outer casing of the outer casing after sinking
There are deviations between heart point and stake position central point；
3), projection positioning plate, the inner end of the positioning plate are distinguished in the position of the anchor point described in the aligning inner of the outer casing
It is connected on the inner wall of the outer casing, the outer end of the positioning plate extends along the radial inward of the outer casing；Described outer
Casing in vertical subsidence in casing, the outer end of four positioning plates are connected to the outer surface of the interior casing respectively；It is described outer
Casing is short casing, and the interior casing is long casing.
2. the construction method for double pile casings of control verticality as described in claim 1, which is characterized in that in the step 3),
The interior casing central point of the interior casing overlaps arrangement with stake position central point.
3. the construction method for double pile casings of control verticality as claimed in claim 1 or 2, which is characterized in that the interior casing
Length is more than the length of the outer casing.
4. the construction method for double pile casings of control verticality as claimed in claim 3, which is characterized in that the length of the outer casing
No more than the 1/3 of the length of the interior casing.
5. the construction method for double pile casings of control verticality as claimed in claim 1 or 2, which is characterized in that the outer casing
Internal diameter is bigger 20cm or more than the internal diameter of the interior casing.
6. the construction method for double pile casings of control verticality as claimed in claim 1 or 2, which is characterized in that in the step 2)
In, using the vibration hammer sinking outer casing, and the upper end of the outer casing after sinking extends in outside ground.
7. the construction method for double pile casings of control verticality as claimed in claim 6, which is characterized in that the outer shield after sinking
The height of cylinder part above ground level is not less than 30cm.
8. the construction method for double pile casings of control verticality as claimed in claim 1 or 2, which is characterized in that when the outer casing
After sinking, the part soil body in casing except as noted is drawn using rotary drilling rig.
9. the construction method for double pile casings of control verticality as claimed in claim 1 or 2, which is characterized in that the positioning plate is
Tabular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610096644.4A CN105672255B (en) | 2016-02-22 | 2016-02-22 | Control the construction method for double pile casings of verticality |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610096644.4A CN105672255B (en) | 2016-02-22 | 2016-02-22 | Control the construction method for double pile casings of verticality |
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| Publication Number | Publication Date |
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| CN105672255A CN105672255A (en) | 2016-06-15 |
| CN105672255B true CN105672255B (en) | 2018-07-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610096644.4A Active CN105672255B (en) | 2016-02-22 | 2016-02-22 | Control the construction method for double pile casings of verticality |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106088087B (en) * | 2016-08-15 | 2018-07-03 | 中国电建集团华东勘测设计研究院有限公司 | A kind of embedding rock single pile bitubular construction auxiliary device and its construction method |
| CN108775036A (en) * | 2018-06-12 | 2018-11-09 | 深圳市工勘基础工程有限公司 | A kind of construction method for replacing bored concrete pile |
| CN109403953B (en) * | 2018-11-16 | 2022-10-14 | 中铁三局集团有限公司 | Device and method for quickly and accurately measuring perpendicularity of drilled pile body |
| CN109706921B (en) * | 2019-01-29 | 2020-08-25 | 中国港湾工程有限责任公司 | Construction process for double pile casings of cast-in-place pile |
| CN112227357A (en) * | 2020-08-31 | 2021-01-15 | 重庆建工第九建设有限公司 | Construction method for double steel pile casings of rotary excavation pile foundation |
| CN113136877A (en) * | 2021-03-25 | 2021-07-20 | 中国建筑第八工程局有限公司 | Combined type cast-in-situ bored pile double pile casing and construction method thereof |
Citations (5)
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|---|---|---|---|---|
| JP2002021096A (en) * | 2000-07-04 | 2002-01-23 | Shimizu Corp | Building and constructing method therefor |
| JP5095719B2 (en) * | 2009-12-28 | 2012-12-12 | 大豊建設株式会社 | Cast-in-place pile construction method |
| CN102966096A (en) * | 2012-11-30 | 2013-03-13 | 天津第三市政公路工程有限公司 | Construction method for double pile casings of large-diameter cast-in-situ bored pile |
| CN204000861U (en) * | 2014-08-13 | 2014-12-10 | 浙江天一交通建设有限公司 | Bored pile casing in a kind of water |
| CN204200093U (en) * | 2014-09-24 | 2015-03-11 | 中国建筑第八工程局有限公司 | Bored piles machine is to middle auxiliary device |
-
2016
- 2016-02-22 CN CN201610096644.4A patent/CN105672255B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002021096A (en) * | 2000-07-04 | 2002-01-23 | Shimizu Corp | Building and constructing method therefor |
| JP5095719B2 (en) * | 2009-12-28 | 2012-12-12 | 大豊建設株式会社 | Cast-in-place pile construction method |
| CN102966096A (en) * | 2012-11-30 | 2013-03-13 | 天津第三市政公路工程有限公司 | Construction method for double pile casings of large-diameter cast-in-situ bored pile |
| CN204000861U (en) * | 2014-08-13 | 2014-12-10 | 浙江天一交通建设有限公司 | Bored pile casing in a kind of water |
| CN204200093U (en) * | 2014-09-24 | 2015-03-11 | 中国建筑第八工程局有限公司 | Bored piles machine is to middle auxiliary device |
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| CN105672255A (en) | 2016-06-15 |
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