CN104762967B - The envelope stake device of the anchor jacked pile of a kind of improvement and construction method - Google Patents
The envelope stake device of the anchor jacked pile of a kind of improvement and construction method Download PDFInfo
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- CN104762967B CN104762967B CN201510173864.8A CN201510173864A CN104762967B CN 104762967 B CN104762967 B CN 104762967B CN 201510173864 A CN201510173864 A CN 201510173864A CN 104762967 B CN104762967 B CN 104762967B
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D7/00—Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
- E02D7/20—Placing by pressure or pulling power
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Abstract
The present invention relates to the envelope stake device of the anchor jacked pile of a kind of improvement, the stake holes of reserved tetragonous cone table structure in the middle part of basis, to should above stake holes on the basis of pile driving frame is installed, on the basis of these pile driving frame both ends are packed in by vertical anchor pole, it is transversely mounted section steel beam on described pile driving frame, jack is installed in this section steel beam lower surface, prefabricated pile below this jack and described stake holes is coaxially disposed, it is characterized in that: installing anchoring skeleton component between described jack and prefabricated pile, this anchoring skeleton component includes vertical power transmission shaped steel and laterally anchors shaped steel.Apparatus of the present invention are by the combination of anchoring skeleton component with rectangle anchoring ironware so that directly can be cemented out with jack by pile driving frame after piling, effectively shorten construction period, and improve construction machinery turnover rate.Present configuration is simple, easy construction, improves the turnover rate of construction machinery, has saved project machine cost.
Description
Technical field
The invention belongs to the realm of building construction, relate to static pressed pile, the envelope stake device of the anchor jacked pile of a kind of improvement and executing
Work method.
Background technology
Anchor jacked pile is because of its easy construction and can quickly provide higher carrying to be widely used in structure foundation reinforcing, correction
With engineerings such as foundation underpinnings.Sealing stake in the case of anchor jacked pile unloads, the spring-back effect of pile body easilys lead to build produce
Raw additional settlement.Traditional does not unloads envelope stake technology, reaches to be enough to bear the envelope pile concrete intensity of pre-counterforce at work progress
Require at least to need seven days, overlong time, extend the use time of equipment to a certain extent.Additionally there are envelope stake to complete
Top, rear basis need to arrange epirelief pile cover to be affected clear height and uses the shortcomings such as function.
Through retrieval, find a patent document relevant to present patent application: anchor jacked pile precharge pressure seals stake device,
Notification number (CN102605785A), this patent disclosure is: left side pre embedded bolt (8.1) and right side pre embedded bolt (8.2)
Bottom be embedded in piling basis (7), top is corresponding by left side attaching nut (6.1), right side attaching nut (6.2)
It is connected with the bottom of left side high tensile reinforcement (4.1), right side high tensile reinforcement (4.2), left side high tensile reinforcement (4.1), right side height
The top of strong reinforcing bar (4.2) through secondary beam (2.1) on the left of piling hole by the first high tensile reinforcement anchored end (1.1), second high-strength
Bar Anchorage end (1.2) is fixed on the left of piling hole on secondary beam (2.1)；It is provided with piling jack on the top of static pressed pile (9)
(10), piling jack (10) is provided with girder (3), secondary beam on the right side of secondary beam (2.1) and piling hole on the left of piling hole
(2.2) it is pressed on girder (3).
Being contrasted by technical characteristic, there is envelope stake cycle length in document disclosed above, operation rate of machinery is low, seal stake somewhat expensive and envelope
The shortcomings such as stake is inconvenient.
Summary of the invention
It is an object of the invention to overcome the deficiencies in the prior art, it is provided that the envelope stake device that the anchor jacked pile of a kind of improvement does not unloads
And construction method, the method not only makes sedimentation be effectively controlled, and solves tradition and does not unload in envelope stake that pile cover is prominent affects clear height
A structure difficult problem, and be greatly improved the turnover rate of construction machinery, save project cost.
The solution of the present invention is achieved in that
The envelope stake device of the anchor jacked pile of a kind of improvement, the stake holes of reserved tetragonous cone table structure in the middle part of basis, to should stake holes
Pile driving frame is installed, on the basis of Shang Fang on the basis of these pile driving frame both ends are packed in by vertical anchor pole, on described pile driving frame laterally
Mount type girder steel, the prefabricated pile that this section steel beam lower surface is installed below jack, this jack and described stake holes is coaxially disposed, its
It is characterised by: installing anchoring skeleton component between described jack and prefabricated pile, this anchoring skeleton component includes vertical power transmission shaped steel
Laterally anchor shaped steel；
A vertically arranged vertical power transmission shaped steel, the upper end horizontally set of this vertical power transmission shaped steel are installed in the top of described prefabricated pile
One laterally anchors shaped steel；
The left and right hole wall of described stake holes is vertically symmetrical is shaped with the shaped steel detent corresponding with described horizontal anchoring shaped steel, this shaped steel
Longitudinally asymmetric in the middle part of the stake holes hole wall at detent place it is shaped with two Anchoring recess, rectangle anchoring ironware is installed in this Anchoring recess,
These two Anchoring recess are perpendicular with all shaped steel detents and connect, and described shaped steel detent, Anchoring recess are all and stake
Hole connects.
And, lower steel plate is installed between described vertical power transmission shaped steel and prefabricated pile, this laterally anchors and installs between shaped steel and jack
Upper steel plate.
And, described horizontal anchoring shaped steel and vertical power transmission shaped steel are I-steel or H profile steel.
And, described horizontal anchoring shaped steel is solidly installed with vertical power transmission shaped steel.
The construction method of the envelope stake device of the anchor jacked pile of a kind of improvement, comprises the steps:
Before step one, piling during casting concrete basis, reserve shaped steel detent and Anchoring recess at stake holes hole wall；
Step 2, starting piling, piling is until during final section, arranging anchoring skeleton component
The i.e. top vertical at prefabricated pile installs vertical power transmission shaped steel, then at vertical power transmission shaped steel upper surface and the shaped steel along stake holes
Detent is placed and is laterally anchored shaped steel, presses under then being continued by jack, until the top of anchoring skeleton component is positioned at stake holes
Anchoring recess below position；
Step 3, rectangle anchored in ironware is arranged on the Anchoring recess of stake holes and fix, then remove jack, pile driving frame and
Section steel beam, carries out the envelope stake operation of lower road.
And, also include step 4, when carrying out sealing stake, in stake holes hole wall surrounding bar planting, and bar planting reinforcement welding is reticulated.
And, the described bar planting degree of depth is more than or equal to 15 times of reinforcing bar, and bar planting uses III grade of steel, bar planting diameter 18-25mm, single wall
Bar planting 1-2 layer, every layer of 1-3 root.
Advantages of the present invention and good effect be:
1, apparatus of the present invention are by the combination of anchoring skeleton component with rectangle anchoring ironware so that can be directly by piling after piling
Frame cements out with jack, effectively shortens construction period, and improves construction machinery turnover rate.
2, the laterally anchoring shaped steel in apparatus of the present invention is together with overlapping full weld between vertical power transmission shaped steel, is effectively increased construction
Stability.
3, the inventive method uses and does not unload envelope pile constructing process, solves the clear height that produces because of the use of epirelief pile cover not enough
A difficult problem.
4, the inventive method makes additional settlement obtain effective control in construction period, and prefabricated pile is timely and effective in the very first time
Bearing capacity effect must have been played.
Carry out bar planting in stake holes wall surrounding when 5, the inventive method seals stake, and bar planting reinforcement welding is reticulated, to strengthen coagulation
Stress effect can be more preferably played with bar planting after soil hardening.
6, present configuration is simple, easy construction, improves the turnover rate of construction machinery, has saved project machine cost.
Accompanying drawing explanation
Fig. 1 is the Construction State figure of the present invention；
Fig. 2 is the sectional view of stake holes in the present invention；
Fig. 3 is the top view of Fig. 2；
Fig. 4 is that the A-A of Fig. 3 is to sectional view；
Fig. 5 is the perspective view of stake holes of the present invention；
Fig. 6 is the bar planting structural representation of the present invention.
In accompanying drawing: 1-pile driving frame, 2-section steel beam, 3-jack, 4-basis, the anchoring of the vertical anchor pole of 5-, 6-upper steel plate, 7-rectangle
Ironware, 8-laterally anchor shaped steel, 9-vertical power transmission shaped steel, 10-lower steel plate, 11-prefabricated pile, 12-stake holes, 13-shaped steel location recessed
Groove, 14-Anchoring recess, 15-bar planting.
Detailed description of the invention
The invention will be further described below in conjunction with the accompanying drawings and by specific embodiment.
A kind of envelope stake device of the anchor jacked pile of improvement, as it is shown in figure 1, the stake of reserved tetragonous cone table structure in the middle part of basis 4
Hole 12, to should above stake holes on the basis of pile driving frame 1 is installed, these pile driving frame both ends are packed in basis by vertical anchor pole 5
On, described pile driving frame is transversely mounted section steel beam 2, this section steel beam lower surface is installed under jack 3, this jack and described stake holes
The prefabricated pile 11 of side is coaxially disposed.
The innovative point of the present invention is:
Installing anchoring skeleton component between described jack and prefabricated pile, this anchoring skeleton component includes vertical power transmission shaped steel 9 and horizontal stroke
To anchoring shaped steel 8.
During piling, when piling is depressed into final section, a vertical power transmission being vertically arranged is installed at the top of prefabricated pile
Shaped steel, installs lower steel plate 10, the upper surface horizontally set one of described vertical power transmission shaped steel between vertical power transmission shaped steel and prefabricated pile
Laterally anchoring shaped steel, described horizontal anchoring shaped steel and vertical power transmission shaped steel are I-steel or H profile steel, this laterally anchor shaped steel with
Steel plate 6 is installed between jack.
As shown in Figures 2 to 4, the left and right hole wall of this stake holes is vertically symmetrical to be shaped with and described horizontal anchoring type the structure of described stake holes
The shaped steel detent 13 that steel is corresponding, longitudinally asymmetric in the middle part of the stake holes hole wall at this shaped steel detent place is shaped with two Anchoring recess
14, rectangle anchoring ironware 7 is installed in this Anchoring recess, these two Anchoring recess are perpendicular with described shaped steel detent and connect
Logical, described shaped steel detent, Anchoring recess all connect with stake holes.
The construction method of the envelope stake device of the anchor jacked pile of a kind of improvement, comprises the steps:
Before step one, piling during casting concrete basis, reserve shaped steel detent and Anchoring recess at stake holes hole wall；
Step 2, starting piling, piling is until during final section, arranging anchoring skeleton component；
The i.e. top vertical at prefabricated pile installs vertical power transmission shaped steel, then at vertical power transmission shaped steel upper surface and the shaped steel along stake holes
Detent is placed and is laterally anchored shaped steel, presses under then being continued by jack, until the top of anchoring skeleton component is positioned at stake holes
Anchoring recess below position；
Step 3, rectangle anchored in ironware is arranged on the Anchoring recess of stake holes and fix, then remove jack, pile driving frame and
Section steel beam, carries out the envelope stake operation of lower road.
Carry out bar planting 15 in stake holes wall surrounding during envelope stake, as shown in Figure 6, and bar planting reinforcement welding is reticulated, to strengthen
Can more preferably play stress effect with bar planting after concrete hardening.
The principle of the present invention is:
In the not unloading port of this improvement, anchorage technology needs to arrange shaped steel detent and Anchoring recess at stake holes hole wall, when piling pressure
During to final section, place anchoring skeleton component at prefabricated pile top, utilize the anchoring skeleton group that Pile feeder will be connected with prefabricated pile
Part is depressed into below the Anchoring recess of stake holes hole wall, by placing rectangle anchoring ironware in Anchoring recess, thus will anchoring skeleton group
Part blocks, it is thus achieved that can remove the purpose of jack and pile driving frame after Da Zhuan.
Construction precautions:
1. anchor jacked pile needs strictly to control the welding quality of stake, pile body perpendicularity, idle hours etc. in work progress.And need
The good rational single stake of configuration in advance is long, to avoid because cutting stake increase extra work；
2. when construction is to final section stake, need to use Pile feeder that prefabricated pile is suppressed Anchoring recess top, general control absolute altitude is
Anchoring recess absolute altitude+2cm to+5cm；Need to cut stake for delivering to the stake of designed elevation, stake face of cutting needs smooth solid, in order to anchor
Gu skeleton component is laid steadily；
3. shaped steel, the specification of vertical power transmission shaped steel are laterally anchored by Cross section calculation gained, and by vertical power transmission shaped steel and horizontal anchor
Curable type steel is welded into anchoring skeleton component.Welding preferably uses J422 welding rod, and vertical power transmission shaped steel is full with laterally anchoring shaped steel contact position
Weldering is uniformly.Engineering is had the carried out weld seam detection of particular/special requirement and does corresponding preservative treatment；
4. take out Pile feeder, and qualified anchoring skeleton component welding completed is put into pre-by realizing reserved shaped steel detent
In staying stake holes.Need foreign material garbage-cleaning in hole clean before placement, in order to avoid impact envelope quality of pile；
5. use jack that anchoring skeleton component is delivered to Anchoring recess position, after voltage stabilizing 1-2min, use rectangle anchor ironware to be anchored at
In Anchoring recess.When reserved anchor groove, Anchoring recess height can suitably amplify, in order to anchorage point is by increase and decrease anchoring piece size
Mode make the appropriate adjustments；
6. when reserved stake holes form removal, stake holes is done dabbing cleaning treatment, after piled anchor is solid, stake holes is carried out secondary cleaning, check
Whether hole wall exists loosening concrete and with iron brush outwash hole wall；
7. hole wall surrounding carries out bar planting, and bar planting degree of depth 15D (D is bar diameter), bar planting easily uses III grade of steel, and bar planting is straight
Footpath 18-25mm；General single wall bar planting 1-2 layer, every layer of 1-3 root, concrete bar planting quantity regards bearing capacity of single pile and preformed hole size
Depending on, the stress weak parts such as shaped steel detent are preferably arranged multistory reinforced and to be welded into bar-mat reinforcement whole to strengthen with surrounding bar planting
Body；
8. envelope stake operation is preferably constructed after above-mentioned operation completes immediately, permits of no delay.Envelope pile concrete uses high-grade early-strength impervious
Slightly expanded concrete or high intensity early-strength grouting material.Stake is sealed for there is appropriate to the occasion the carrying out several times of percolating water situation during envelope stake,
Sealing carry out the process of construction joint layer by layer；
9. construction site is cleared up after completing by envelope stake in time.Special messenger's Continuous Observation 4-6 month hole wall surrounding is specified after cleaning out
Whether there is percolating water phenomenon, find that percolating water phenomenon processes in time.
For above-mentioned operation need to point out following some:
1. can be not provided with vertical power transmission shaped steel time relatively thin when basis or base plate thickness, directly use laterally anchoring shaped steel anchoring；
2. can arrange Two bors d's oeuveres vertical power transmission shaped steel when designing pre-counterforce and being bigger, laterally anchoring shaped steel can arrange bidirectional anchoring, double
When anchoring, shaped steel detent needs the two-way setting of forethought；
3. preferably can play a role in basis for static pressed pile in ensureing stake holes, respectively increase with bottom on reserved Anchoring recess top
If 4 additional bars.
It is emphasized that embodiment of the present invention is illustrative rather than determinate, therefore the present invention includes also
It is not limited to the embodiment described in detailed description of the invention, every is drawn according to technical scheme by those skilled in the art
Other embodiments, also belong to the scope of protection of the invention.
Claims (7)
1. the envelope stake device of anchor jacked pile improved, the stake holes of reserved tetragonous cone table structure in the middle part of basis, to should stake
Pile driving frame is installed on the basis of above hole, on the basis of these pile driving frame both ends are packed in by vertical anchor pole, horizontal on described pile driving frame
To mount type girder steel, the prefabricated pile that this section steel beam lower surface is installed below jack, this jack and described stake holes is coaxially disposed,
It is characterized in that: installing anchoring skeleton component between described jack and prefabricated pile, this anchoring skeleton component includes vertical power transmission type
Steel and laterally anchor shaped steel；
A vertically arranged vertical power transmission shaped steel, the upper end horizontally set of this vertical power transmission shaped steel are installed in the top of described prefabricated pile
One laterally anchors shaped steel；
The left and right hole wall of described stake holes is vertically symmetrical is shaped with the shaped steel detent corresponding with described horizontal anchoring shaped steel, this shaped steel
Longitudinally asymmetric in the middle part of the stake holes hole wall at detent place it is shaped with two Anchoring recess, rectangle anchoring ironware is installed in this Anchoring recess,
These two Anchoring recess are perpendicular with all shaped steel detents and connect, and described shaped steel detent, Anchoring recess are all and stake
Hole connects.
The envelope stake device of the anchor jacked pile of improvement the most according to claim 1, it is characterised in that: described vertical power transmission type
Installing lower steel plate between steel and prefabricated pile, this laterally anchors installs steel plate between shaped steel and jack.
The envelope stake device of the anchor jacked pile of improvement the most according to claim 1 and 2, it is characterised in that: described horizontal anchor
Curable type steel and vertical power transmission shaped steel are I-steel or H profile steel.
The envelope stake device of the anchor jacked pile of improvement the most according to claim 1 and 2, it is characterised in that: described horizontal anchor
Curable type steel is solidly installed with vertical power transmission shaped steel.
5. use a construction method for the envelope stake device of the anchor jacked pile of improvement described in any one of Claims 1-4, its
It is characterised by: comprise the steps:
Before step one, piling during casting concrete basis, reserve shaped steel detent and Anchoring recess at stake holes hole wall；
Step 2, starting piling, piling is until during final section, arranging anchoring skeleton component
The i.e. top vertical at prefabricated pile installs vertical power transmission shaped steel, then at vertical power transmission shaped steel upper surface and the shaped steel along stake holes
Detent is placed and is laterally anchored shaped steel, presses under then being continued by jack, until the top of anchoring skeleton component is positioned at stake holes
Anchoring recess below position；
Step 3, rectangle anchored in ironware is arranged on the Anchoring recess of stake holes and fix, then remove jack, pile driving frame and
Section steel beam, carries out the envelope stake operation of lower road.
The construction method of the envelope stake device of the anchor jacked pile of described improvement the most according to claim 5, its feature exists
In: also include step 4, when carrying out sealing stake, in stake holes hole wall surrounding bar planting, and bar planting reinforcement welding is reticulated.
The construction method of the envelope stake device of the anchor jacked pile of described improvement the most according to claim 6, its feature exists
In: the described bar planting degree of depth is more than or equal to 15 times of bar diameter, and bar planting uses III grade of steel, and bar planting diameter 18-25mm, single wall is planted
Muscle 1-2 layer, every layer of 1-3 root.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510173864.8A CN104762967B (en) | 2015-04-14 | 2015-04-14 | The envelope stake device of the anchor jacked pile of a kind of improvement and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510173864.8A CN104762967B (en) | 2015-04-14 | 2015-04-14 | The envelope stake device of the anchor jacked pile of a kind of improvement and construction method |
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| Publication Number | Publication Date |
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| CN104762967A CN104762967A (en) | 2015-07-08 |
| CN104762967B true CN104762967B (en) | 2016-08-24 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105442604B (en) * | 2015-12-23 | 2017-08-08 | 江苏鼎达建筑新技术有限公司 | Static pressed pile counterforce device and its construction method |
| CN109837898A (en) * | 2019-03-13 | 2019-06-04 | 中电建建筑集团有限公司 | A kind of anchor jacked pile precharge pressure envelope piling method |
| CN112323798B (en) * | 2020-09-24 | 2022-02-18 | 安徽省建筑科学研究设计院 | Prefabricated pipe pile static pressure construction device and method integrating positioning and pile sealing |
| CN112302000B (en) * | 2020-11-09 | 2021-05-25 | 中交四航局港湾工程设计院有限公司 | Precast pile foundation structure and intelligent auxiliary construction method |
| CN114561949B (en) * | 2022-03-18 | 2024-05-24 | 四川华远建设工程有限公司 | Pile sealing device of improved anchor rod static pressure pile |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4191495B2 (en) * | 2003-01-08 | 2008-12-03 | 鹿島建設株式会社 | Steel pipe pile method |
| CN101240533A (en) * | 2007-12-28 | 2008-08-13 | 吴如军 | Pile foundation reinforcement prestressing pile locking method |
| CN101397796A (en) * | 2008-09-12 | 2009-04-01 | 葛培中 | Construction method of prestressed anchor rod static pressure pile |
| CN202644531U (en) * | 2012-04-01 | 2013-01-02 | 江苏东南特种技术工程有限公司 | Pressure-preloading pile sealing device for static pressure pile of anchor rod |
| CN202559355U (en) * | 2012-05-09 | 2012-11-28 | 云南省建筑科学研究院 | Pre-pressing pile sealing device for anchor rod static pile |
| CN104358260A (en) * | 2014-11-29 | 2015-02-18 | 宋双阳 | Preloaded pressure pile sealing working device of anchor rod static pressure pile |
| CN204551470U (en) * | 2015-04-14 | 2015-08-12 | 中天建设集团有限公司 | A kind of envelope stake device of anchor jacked pile of improvement |
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