CN105297714B - Bored concrete pile pile cover and stake integrative construction device and method - Google Patents
Bored concrete pile pile cover and stake integrative construction device and method Download PDFInfo
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- CN105297714B CN105297714B CN201510795964.4A CN201510795964A CN105297714B CN 105297714 B CN105297714 B CN 105297714B CN 201510795964 A CN201510795964 A CN 201510795964A CN 105297714 B CN105297714 B CN 105297714B
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Abstract
The present invention relates to a kind of bored concrete pile pile cover and stake integrative construction device, including spirit level, total powerstation and cross section are annular backing plate, annular backing plate is laid on around stake holes upper port, and it is socketed on whole reinforcement cage, whole reinforcement cage is arranged in stake holes, stake holes is axially coincident with whole reinforcement cage, whole reinforcement cage is divided into ground pile cover reinforcing bar and pile foundation under ground portion reinforcing bar two parts, whole reinforcement cage includes the tie hoop of the cage bar and a rhizosphere beam of one group of longitudinal arrangement in this group of cage bar, one group of slotted eye is formed with annular backing plate, coordinate with slotted eye and be provided with bolt, bolt is connected with the bolt hole in template, template and backing plate, whole reinforcement cage center superposition.Difficulty of construction of the present invention is small, has higher economic benefit and social environment benefit.
Description
Technical field
The present invention relates to a kind of improvement of LNG tank pile cover construction technology, especially a kind of bored concrete pile pile cover with
Stake integrative construction device and method, belong to technical field of building construction.
Background technology
Large-scale low-temperature storage tank outer tank is designed as post-stress reinforced concrete structure, is typically maked somebody a mere figurehead by pore-creating filling pile
Support, Pile Diameter are 1~1.5m, and quantity is 169~556, and overhead height is 0.76~1.75m.In pile foundation construction process
In, delay because the uncertainty of underground situation frequently can lead to pile foundation construction progress, reasonable arrangement pile cover and storage tank cushion cap
Smooth construction just turns into the key for ensureing project duration.In conventional liquefied natural gas（LNG）In project, such as Zhuhai, Ningbo
Etc. ground LNG projects, construction technology is separated using stake and pile cover, i.e., pile driving construction complete after carry out earth excavation, broken pile
Head and colligation pile cover reinforcing bar, then pile cover concreting is carried out, backfilling of earthwork is finally carried out, completes pile cover construction, this skill
Art tedious process, manpower, material and plant equipment input are larger, cause construction cost high, project progress is slow, also add and raises
Dirt, noise etc. pollute.
The content of the invention
It is an object of the invention to：In view of the above-mentioned problems of the prior art, propose a kind of bored concrete pile pile cover and stake one
Body constructing device, while its construction method is given, pile cover working procedure can be reduced, improves operating efficiency, control construction
Cost.
In order to reach object above, bored concrete pile pile cover of the invention is with stake integrative construction device basic technical scheme：
Backing plate including spirit level, total powerstation and cross section for annular, the annular backing plate is laid on around stake holes upper port, and is covered
It is connected on whole reinforcement cage, the whole reinforcement cage is arranged in stake holes, and the stake holes and whole reinforcement cage are axially coincident, by institute
State whole reinforcement cage and be divided into ground pile cover reinforcing bar and pile foundation under ground portion reinforcing bar two parts, the whole reinforcement cage is indulged including one group
The tie hoop of cage bar and a rhizosphere beam in this group of cage bar to arrangement；One group of slotted eye is formed with the annular backing plate, with institute
State slotted eye cooperation and be provided with bolt, the bolt is connected with the bolt hole in template again, the template and backing plate, overall reinforcing bar
Cage center superposition.
Preferably, the template includes the cylinder surrounded by side template, and interior casing, the interior casing are cased with outside the cylinder
Upper and lower ends mouth there is the chimb that stretches out, and outer casing, inside and outside shield are provided between the chimb up and down of the interior casing
Several ribs are provided between cylinder, one group of bolt hole being engaged with bolt is formed with the lower chimb of the interior casing.
Preferably, there is the breach being engaged with backing plate on the lower end periphery of the cylinder below interior casing.
Preferably, the upper chimb of the interior casing is formed with one group of lacing hole for supplying steel wire penetrating, and the lacing hole is with burying
The bar connecting being located on stake holes surrounding ground.
Preferably, casing is buried in the stake holes, casting platform is installed on the ground around the stake holes, it is described
Casting platform is mainly made up of several layers of support, is easy to concreting in lifts.
Bored concrete pile pile cover and the stake integral construction method of the present invention, successively including pile foundation under ground portion concrete construction,
Concrete is superfilled, and conduit and casing are extracted, model sheetinstallat, pile cover concreting, form removable and concrete curing.
Wherein, the first step, pile foundation under ground portion concrete construction comprise the following steps：
（11）According to conventional pouring pile hole construction technology, ground construction obtains stake holes at the scene, and shield is buried in stake holes
Cylinder；
（12）Stirrup is spirally wound in the cage bar of one group of longitudinal arrangement, and company is tied up in stirrup and cage bar intersection
Connect, whole reinforcement cage is made, whole reinforcement cage is lifted and is fixed in stake holes, the whole reinforcement cage is axially heavy with stake holes
Close, and whole reinforcement cage is divided into ground pile cover reinforcing bar and pile foundation under ground portion reinforcing bar；
（13）By the conduit that is arranged in stake holes into stake holes continuous pouring concrete, control filling during filling concrete
The coefficient that is full of is more than 1.05；
Second step, concrete are superfilled：Continue to be irrigated after continuous pouring concrete to the upper port of casing into stake holes,
Until concrete reaches estimated superfilled height, the estimated superfilled height is influx height and the conversion amount in stake footpath；Concrete reaches
To after estimated superfilled height, remove superfilled concrete and recycled, to ensure that the concrete quality of stake holes top surface is qualified
Free from admixture；It is expected that superfilled height be generally 0.8~1.0m, i.e., as a diameter of 1.2m of stake, superfilled side amount be equal to π × 0.62 ×
（0.8~1.0）㎡；
3rd step, conduit and casing are extracted：Onsite acceptance is carried out, meets to require in superfilled amount and stake top concrete is whole
After fresh concrete, i.e. acceptance(check), conduit and casing are extracted, and clear up stake top concrete and top pile cover reinforcing bar；Test
In the time receiving, stake top concrete for making test block is taken, test block meets that layout design intensity requirement is as qualified；
4th step, model sheetinstallat is carried out before stake top portion concrete initial set, comprised the following steps：
（41）Inside and outside casing is made, the upper and lower ends mouth of interior casing, which stretches out, is made chimb, in the lower chimb of interior casing
On open one group of bolt hole, by inside and outside casing connect rear enclosure on the cylinder that side template surrounds, form template；
（42）By stake holes surrounding ground it is smooth it is closely knit after, annular backing plate is socketed in whole reinforcement cage and is laid on ground
On, spirit level leveling backing plate and ground are used during laying, annular backing plate is used for the horizontal and vertical degree of Control architecture；
（43）By on the formwork hoisting assembled to the annular backing plate laid, and make template center and backing plate center, whole
Body steel reinforcement cage center alignment, the bolt hole of template and the bolt being arranged in annular backing plate slotted eye are connected, by template and ring
Shape backing plate connects as one；
(44) the orthogonal erection of total powerstation, the perpendicularity of measurement module are used, and the vertical of template is adjusted by bolt, backing plate
Degree；
5th step, pile cover concreting：After installation form, ensure that stake top concrete is not yet pre-hardening, carry out pile cover and mix
Solidifying soil pours；When pouring, casting platform is lifted into job site, and the continuous stratification casting concrete into template, layering is poured
The concrete that two layers of contact surface need to be pointed to when building concrete carries out vibration compacting operation, makes upper and lower two layer concretes fully mixed
Close.
Second step, concrete are superfilled, and pile foundation under ground portion continues casting concrete after completing concreting, by traditional work
Need the concrete laitance of dabbing to overflow in advance in skill to clean out, save process, avoid top concrete because of slag inclusion clod, water
The problems such as intensity can not meet caused by mud etc., while superfilled concrete out is ejected stake holes top surface, it is interior containing miscellaneous
Matter, clean spade can be used by the wagon box of superfilled spade to small handcart, and be transported to need place progress again nearby
Utilize, such as need facing for hardening to build place etc., avoid waste of resource, while protect site environment.Concrete is superfilled to be kept away
Exempt from stake top and laitance occur, ensure the concrete quality of pile crown, effectively improve the bearing capacity of bored concrete pile, and can prevent conduit from pulling out
When going out, whole reinforcement cage floats.In addition, superfilled is the concrete compaction for pile cover and stake junction, without impurity such as mud,
Avoid pile cover from pouring rear junction and " broken pile " phenomenon, the transmission of influence power occur.In addition, it is directed to bored concrete pile, traditional thinking
Exactly complete to carry out earth excavation, broken pile head, colligation pile cover reinforcing bar, formwork supporting plate, pour the processes such as pile cover concrete pouring, and
The present invention is by reinforcing bar global formation, originally the pile crown abolished will be needed not solidify it also after concreting to ground
Before clean out, then quick template supporting plate complete pile cover pour, it is therefore necessary to avoid concrete setting, prevent between pile body and pile cover
Produce construction joint.
Four, the 5th step, the presetting period of concrete is made full use of, cleaning correction whole reinforcement cage, lays annular backing plate,
The fixed prefabricated template of installation, and pile cover concreting is carried out before stake top portion concrete initial set.Must be under ground portion pile foundation
Before the concrete initial set at top, complete backing plate laying, model sheetinstallat, pile cover concreting, the reinforcing of pile cover model sheetinstallat etc. and apply
Work, otherwise after pile foundation concrete initial set, it is then not possible to which continuous concrete, pile cover cannot realize integrated construction with stake.
The main function of backing plate is support shuttering, because bed die concrete does not solidify also, it is necessary to which a support platform ensures template
Perpendicularity.Determined when the concrete initial set time can be by doing concrete mix early stage, ensureing that concrete is each
On the premise of item performance, the proper extension concrete initial set time；Simultaneously on the premise of quality is ensured, model sheetinstallat is rapidly completed
Deng work, so as to the covert extension concrete initial set time.If however, not yet before concrete initial set complete template installation,
Dabbing need to be carried out to stake top concrete, as treatment of construction joints, then carry out follow-up pile cover construction.
Preferably, step（13）The concrete being pointed in filling process in the range of stake holes upper port depth below
Carry out vibration compacting operation；In second step, when filling concrete to design stake top absolute altitude after, and stake top top have it is fresh
During concrete, it is pointed to the concrete in the range of stake holes upper port depth below and carries out the closely knit operation of secondary vibration.Necessarily
Depth value is 5 ± 1m.
Preferably, step（44）In, steel wire penetrating is first arranged on to the lacing hole of template surrounding, then with being embedded in stake holes
Bar connecting on surrounding ground, it is easy to reinforcing template, then using the perpendicularity of total station survey template, and by turning spiral shell
The perpendicularity of bolt and mobile backing plate fine-tuning template, while coordinate perpendicularity to adjust by the steel wire rope of elastic layback, finally reach
To the purpose of the perpendicularity of adjustment template.
The bored concrete pile pile cover of the present invention with stake integral construction method is continued after pile foundation concreting to casing mouth
Pour up to exposing fresh qualified concrete surface, then focus on the concrete of superfilled part, with making full use of pile foundation
In the presetting period of lower part concrete, installation form is adjusted by annular backing plate, and carry out pile cover concreting, be rapidly completed
Pile cover construction operation.The present invention has advantages below：
1. pile cover reinforcing bar is linked as whole reinforcement cage with pile foundation under ground portion reinforcing bar, and is lifted, traditional handicraft is eliminated
In separately installed pile cover reinforcing bar process, improve operating efficiency；
2. it is capable of the horizontal and vertical degree of Control architecture well by annular backing plate, because storage tank load is larger, to stake
Base requirement for bearing capacity is higher, pile cover perpendicularity and levelness control it is good, storage tank cushion cap load can is efficiently transferred to stake
End；
3. earth excavation, broken pile head and the earthwork in traditional pile cover construction are eliminated using the cast-in-place pile construction method of the present invention
The processes such as backfill, control construction cost, reduce the pollution such as noise, airborne dust；
4. the concrete of pair superfilled spilling is collected and recycled, the wasting of resources is avoided.In a word, present invention construction is difficult
Spend small, there is higher economic benefit and social environment benefit.
Brief description of the drawings
The present invention is further illustrated below in conjunction with the accompanying drawings.
Fig. 1 is grout pile cap schematic diagram in the present invention.
Fig. 2 is the superfilled schematic diagram of concrete.
Fig. 3 is the structural representation of annular backing plate in the present invention.
Fig. 4 is the structural representation of template in the present invention.
Fig. 5 is model sheetinstallat schematic diagram.
Fig. 6 is pile cover concreting schematic diagram.
Fig. 7 is the filling pile structure schematic diagram that construction is completed.
Fig. 8 is Fig. 5 A to enlarged drawing.
In figure：1. pile foundation under ground portion reinforcing bar, 2. ground pile cover reinforcing bars, 3. cage bars, 4. cushion caps, 5. tie hoops, 6. apply
Work is stitched, 7. whole reinforcement cages, 8. fresh concrete faces, 9. slotted eyes, 10. billets, chimb on 11., 12. times chimbs, in 13.
Casing, 14. outer casings, 15. cylinders, 16. ribs, 17. steel wire ropes, 18. bolts, 19. casting platforms.
Embodiment
Embodiment one
The bored concrete pile pile cover of the present embodiment and stake integrative construction device, including spirit level, total powerstation and cross section are ring
The billet 10 of shape, annular billet 10 is laid on around stake holes upper port, and is socketed on whole reinforcement cage 7, overall steel
Muscle cage 7 is arranged in stake holes, and stake holes and whole reinforcement cage 7 are axially coincident, and whole reinforcement cage 7 is divided for the He of ground pile cover reinforcing bar 2
The two parts of pile foundation under ground portion reinforcing bar 1, whole reinforcement cage 7 include the rhizosphere beam of cage bar 3 and one of one group of parallel longitudinal arrangement at this
Tie hoop 5 in group cage bar 3；The annular internal diameter of billet 10 is 1.2m, external diameter 1.5m, thickness 2cm, annular billet 10
On be formed with four slotted eyes 9（See Fig. 3）, coordinate with slotted eye 9 and be provided with bolt 18, bolt 18 coordinates with the bolt hole on steel form and connected
Connect, steel form and billet 10, the center superposition of whole reinforcement cage 7.Wherein steel form includes the cylinder 15 surrounded by side plate, cylinder
Interior casing 13 is cased with outside 15, the upper and lower ends mouth of interior casing 13 has the chimb to stretch out, upper chimb 11 in interior casing, under
Outer casing 14 is provided between chimb 12, several ribs 16 are provided between interior casing 13, outer casing 14, and under interior casing 13
Be formed with four bolts hole being engaged with bolt on chimb 12, cylinder 15, interior casing 13, the cross section of outer casing 14 to be circular or
It is square, there is the breach being engaged with billet 10 on the lower end periphery of cylinder 15 positioned at the interior lower section of casing 13（See Fig. 4）, separately
The upper chimb 11 of casing 13 is formed with one group of lacing hole passed through for steel wire rope 17 in outer, and lacing hole is with being embedded in stake holes surrounding ground
On bar connecting, the long 1m of reinforcing bar, top is welded with annulus.Casing is buried in stake holes, is provided with the ground around stake holes
Casting platform 19, casting platform 19 are mainly made up of several layers of support, are easy to concreting in lifts.
Bored concrete pile pile cover and the stake integral construction method of the present invention, successively including pile foundation under ground portion concrete construction,
Concrete is superfilled, and conduit and casing are extracted, and steel form installation, pile cover concreting, steel form is removed and concrete curing.
Wherein, the first step, pile foundation under ground portion concrete construction comprise the following steps：
（11）According to conventional pouring pile hole construction technology, ground construction obtains stake holes at the scene, and shield is buried in stake holes
Cylinder；
（12）Tie hoop 5 is spirally wound in the cage bar 3 of one group of parallel longitudinal arrangement, and in tie hoop 5 and master
Connection is tied up in the intersection of muscle 3, and whole reinforcement cage 7 is made, and whole reinforcement cage 7 is lifted and is fixed in stake holes, whole reinforcement cage 7
It is axially coincident with stake holes, and whole reinforcement cage 7 is divided into ground pile cover reinforcing bar 2 and pile foundation under ground portion reinforcing bar 1；
（13）By the conduit that is arranged in stake holes into stake holes continuous pouring concrete, and when controlling filling concrete
Fullness coefficient is more than 1.05, and the concrete in the range of 5m is pointed to below stake holes upper port in filling process and carries out vibration compacting
Operation.
Second step, as shown in Fig. 2 concrete is superfilled：Into stake holes after continuous pouring concrete to the upper port of casing not
Conduit is extracted, continues perfusion until concrete reaches estimated superfilled height or exposes fresh qualified concrete surface 8, it is contemplated that
Superfilled height is influx height（Generally 0.8~1.0m）With the conversion amount in stake footpath；After concrete reaches estimated superfilled height, clearly
Except superfilled concrete and recycled, to ensure the qualified free from admixture of the concrete quality of stake holes top surface；Work as filling concrete
To the stake top absolute altitude of design, and when stake top top has fresh concrete eight, stake holes upper port depth below is pointed to
（5±1m）In the range of concrete carry out the closely knit operation of secondary vibration.
3rd step, conduit and casing are extracted：After onsite acceptance is qualified, conduit and casing are extracted, and clear up stake top coagulation
Soil and top pile cover reinforcing bar.
4th step, steel shutterings dress is carried out before stake top portion concrete initial set, comprised the following steps：
（41）Casing 13, outer casing 14 in making, the upper and lower ends mouth of interior casing 13, which stretches out, is made chimb, protects inside
One group of bolt hole is opened on the lower chimb 12 of cylinder 13, interior casing 13 is connected to the cylinder 15 that rear enclosure surrounds in side plate with outer casing 14
On, steel form is formed, the steel form that preassembling is completed is polished using polishing machine, removes surface rusty stain, and use finished product releasing agent
Uniformly brush its surface；
（42）By the surrounding ground of stake holes upper port it is smooth it is closely knit after, annular billet 10 is socketed in whole reinforcement cage 7
And lay on the ground, use spirit level leveling billet 10 and ground during laying, annular billet 10 is for controlling steel form
Horizontal and vertical degree；
（43）The steel form assembled is lifted to the annular billet 10 laid using truck crane, and makes steel form
Center and the center of billet 10, the center alignment of whole reinforcement cage 7, the bolt hole of steel form is with being arranged on the annular slotted eye of billet 10
Bolt 18 in 9 is connected, and steel form and annular billet 10 are connected as one, while steel wire rope 17 is passed through and is arranged on
The lacing hole of steel form surrounding, then the bar connecting with being embedded on stake holes surrounding ground, it is easy to reinforce steel form（See Fig. 5, figure
8）；
(44) use the orthogonal erection of total powerstation, and by regulating bolt 18, the double-direction control steel form of billet 10 it is vertical
Degree, i.e., detected using total powerstation, and the perpendicularity of steel form is adjusted by bottom bolts 18.
5th step, as shown in figures 1 to 6, pile cover concreting：After steel form is installed, ensure stake top concrete still
It is not pre-hardening, carry out pile cover concreting；When pouring, casting platform 19 is lifted into by job site using truck crane, and to steel
Continuous stratification casting concrete in template, need to be pointed to during concreting in lifts two layers of contact surface concrete vibrate it is close
Practical operation is made, and is sufficiently mixed upper and lower two layer concretes.Vibrated concrete uses poker vibrator, and its vibrating spear is to upper and lower two
Divide the contact surface of concrete fully to be vibrated, ensure that two parts concrete is sufficiently mixed up and down, in order to avoid forming layering, was vibrated
Fast insert is pulled out slowly in journey, and vibrator keeps 10~20cm distance, collision free steel form with side form.Special messenger should be sent when pouring in addition
Lower-layer concrete surface state is monitored, and records the time.
6th step, steel form are removed：According to the temperature condition after pile, punching block is removed between 36~72 hours after pile
Plate；When steel form is removed, first the bolt 18 of fixed steel form and steel wire rope 17 are unclamped, then uniformly applied in the both sides of steel form
Power, steel form is set to depart from pile body naturally, billet 10 and steel form are removed in finally cleaning.
7th step, concrete curing：After removing steel form, exposed pile body is carried out to pour water process, to keep its humidity,
Exposed pile body is wrapped up after watering using plastic sheeting.Need to inspect periodically the humidity in plastic sheeting during maintenance.
Finally the top of cage bar 3 of whole reinforcement cage is bent（See Fig. 7）.
In addition to the implementation, the present invention can also have other embodiment.It is all to be formed using equivalent substitution or equivalent transformation
Technical scheme, fall the protection domain in application claims.
Claims (8)
1. a kind of bored concrete pile pile cover and stake integral construction method, it is characterized in that, successively including pile foundation under ground portion coagulation soil application
Work, concrete is superfilled, and conduit and casing are extracted, model sheetinstallat, pile cover concreting, form removable and concrete curing,
Wherein, the first step, pile foundation under ground portion concrete construction comprise the following steps：
(11) ground construction obtains stake holes at the scene, and casing is buried in stake holes；
(12) stirrup is spirally wound in the cage bar of one group of longitudinal arrangement, and ties up and be connected with cage bar intersection in stirrup, made
Whole reinforcement cage to be made, whole reinforcement cage is lifted and is fixed in stake holes, the whole reinforcement cage and stake holes are axially coincident, and
Whole reinforcement cage is divided into ground pile cover reinforcing bar and pile foundation under ground portion reinforcing bar；
(13) by the conduit that is arranged in stake holes into stake holes continuous pouring concrete, it is and full when controlling filling concrete
Coefficient is more than 1.05；
Second step, concrete are superfilled：Continue to be irrigated after continuous pouring concrete to the upper port of casing into stake holes, until
Concrete reaches estimated superfilled height, and the estimated superfilled height is influx height and the conversion amount in stake footpath；Concrete reaches pre-
After counting superfilled height, superfilled concrete is removed；
3rd step, conduit and casing are extracted：Onsite acceptance is carried out, meets to require in superfilled amount and stake top concrete is all new
After fresh concrete, conduit and casing are extracted, and clear up stake top concrete and top pile cover reinforcing bar；
4th step, model sheetinstallat is carried out before stake top portion concrete initial set, comprised the following steps：
(41) inside and outside casing is made, the upper and lower ends mouth of interior casing, which stretches out, is made chimb, is opened on the lower chimb of interior casing
One group of bolt hole, inside and outside casing is connected into rear enclosure on the cylinder that side template surrounds, forms template；
(42) by stake holes surrounding ground it is smooth it is closely knit after, by annular backing plate be socketed in whole reinforcement cage and lay on the ground, paving
If when use spirit level leveling backing plate and ground；
(43) by the formwork hoisting assembled to the annular backing plate laid, and template center and backing plate center, overall steel are made
Muscle cage center alignment, the bolt hole of template and the bolt being arranged in annular backing plate slotted eye are connected, by template and air ring
Plate connects as one；
(44) the orthogonal erection of total powerstation, the perpendicularity of measurement module are used, and passes through bolt, the perpendicularity of backing plate adjustment template；
5th step, pile cover concreting：After installation form, ensure that stake top concrete is not yet pre-hardening, carry out pile cover concrete
Pour；When pouring, casting platform is lifted into job site, and the continuous stratification casting concrete into template, placement layer by layer mixes
The concrete that two layers of contact surface need to be pointed to when solidifying native carries out vibration compacting operation, is sufficiently mixed upper and lower two layer concretes.
2. bored concrete pile pile cover and stake integral construction method according to claim 1, it is characterized in that, step (13), irrigating
During be pointed to concrete in the range of stake holes upper port depth below and carry out vibration compacting operation；In second step, when
After filling concrete to the stake top absolute altitude designed, and when stake top top has fresh concrete, it is pointed under stake holes upper port
Concrete in the range of square certain depth carries out the closely knit operation of secondary vibration.
3. bored concrete pile pile cover and stake integral construction method according to claim 1, it is characterized in that, in step (44), first will
Steel wire penetrating is arranged on the lacing hole of template surrounding, then the bar connecting with being embedded on stake holes surrounding ground, is easy to reinforce
Template, then using the perpendicularity of total station survey template, and by turning the perpendicularity of bolt and mobile backing plate fine-tuning template,
Perpendicularity is coordinated to adjust by the steel wire rope of elastic layback simultaneously.
4. according to the bored concrete pile pile cover that any one of claims 1 to 3 methods described uses and stake integrative construction device, its feature
It is, including spirit level, total powerstation and cross section are the backing plate of annular, the annular backing plate is laid on around stake holes upper port,
And be socketed on whole reinforcement cage, the whole reinforcement cage is arranged in stake holes, and the stake holes and whole reinforcement cage are axially coincident,
The whole reinforcement cage is divided into ground pile cover reinforcing bar and pile foundation under ground portion reinforcing bar two parts, the whole reinforcement cage includes one
Tie hoop of the cage bar and a rhizosphere beam of group longitudinal arrangement in this group of cage bar；One group of slotted eye is formed with the annular backing plate,
Coordinate with the slotted eye and be provided with bolt, the bolt is connected with the bolt hole in template, the template and backing plate, overall steel
Muscle cage center superposition.
5. bored concrete pile pile cover and stake integrative construction device according to claim 4, it is characterized in that, the template is included by side
The cylinder that template surrounds, the cylinder are cased with interior casing outside, and the upper and lower ends mouth of the interior casing has the chimb to stretch out,
And outer casing is provided between the chimb up and down of the interior casing, several ribs, the interior casing are provided between inside and outside casing
Lower chimb on be formed with one group of bolt hole being engaged with bolt.
6. bored concrete pile pile cover and stake integrative construction device according to claim 5, it is characterized in that, in the lower end of the cylinder
There is the breach being engaged with backing plate on periphery below interior casing.
7. bored concrete pile pile cover and stake integrative construction device according to claim 5, it is characterized in that, the interior casing it is convex
While it is formed with one group of lacing hole for supplying steel wire penetrating, the lacing hole and the bar connecting being embedded on stake holes surrounding ground.
8. bored concrete pile pile cover and stake integrative construction device according to claim 4, it is characterized in that, shield is buried in the stake holes
Cylinder, is provided with casting platform, the casting platform is mainly made up of several layers of support, is easy on the ground around the stake holes
Concreting in lifts.
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| CN201510795964.4A CN105297714B (en) | 2015-11-18 | 2015-11-18 | Bored concrete pile pile cover and stake integrative construction device and method |
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| CN201510795964.4A CN105297714B (en) | 2015-11-18 | 2015-11-18 | Bored concrete pile pile cover and stake integrative construction device and method |
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| CN114922132B (en) * | 2022-05-19 | 2023-07-14 | 中交第二航务工程局有限公司 | Construction method for upper structure of high pile wharf based on combined inclined piles |
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| JP3564669B2 (en) * | 1994-07-20 | 2004-09-15 | 東急建設株式会社 | Reinforcement spacer and foundation pile method |
| CN100494581C (en) * | 2006-09-26 | 2009-06-03 | 华北建设集团有限公司 | Pipe pile hole maker with concrete bottom sealing, pipe cover and wings and construction process thereof |
| CN202430753U (en) * | 2011-11-30 | 2012-09-12 | 中国核工业华兴建设有限公司 | Prefabricated steel pipe column for static load detection of cast-in-place pile |
| CN202672172U (en) * | 2012-06-29 | 2013-01-16 | 上海建工二建集团有限公司 | Pile cap node of embedded ground-source heat pump tube of filling pile |
| CN203514315U (en) * | 2013-08-06 | 2014-04-02 | 江苏翔森建设工程有限公司 | Reinforced connecting structure between pile and pile cap |
| CN204676886U (en) * | 2015-05-05 | 2015-09-30 | 杨华 | House column apparatus for pouring |
| CN205188950U (en) * | 2015-11-18 | 2016-04-27 | 中国核工业华兴建设有限公司 | Bored concrete pile pile cover and stake integrated construction device |
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