CN110080238A - Deep one meat or fish dyadic combined type pile forming method of loose Backfilled Stone Layer interlocking pile - Google Patents
Deep one meat or fish dyadic combined type pile forming method of loose Backfilled Stone Layer interlocking pile Download PDFInfo
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- CN110080238A CN110080238A CN201811497187.5A CN201811497187A CN110080238A CN 110080238 A CN110080238 A CN 110080238A CN 201811497187 A CN201811497187 A CN 201811497187A CN 110080238 A CN110080238 A CN 110080238A
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
- E02D17/04—Bordering surfacing or stiffening the sides of foundation pits
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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
- E02D5/18—Bulkheads or similar walls made solely of concrete in situ
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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
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0004—Synthetics
- E02D2300/0018—Cement used as binder
- E02D2300/002—Concrete
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Abstract
The present invention relates to the technical fields of occlusion pile driving construction, disclose deep one meat or fish dyadic combined type pile forming method of loose Backfilled Stone Layer interlocking pile, it is combined the following steps are included: interlocking pile structure is distinguished into multiple constructions by (1), construction combination includes not arrangement of reinforcement plain concrete pile, another not arrangement of reinforcement plain concrete pile being engaged with the reinforced concrete pile that arrangement of reinforcement plain concrete pile is not engaged and with reinforced concrete pile；(2) guide wall of occlusive pile makes；(3) pore-forming is carried out to the reinforced concrete pile of reinforced concrete pile and two two sides occlusions combined respectively with the construction in construction combination and backfilled；(4) spiral-digging pore is combined to the construction；(5) construct combined fabrication of reinforcing cage, decentralization conduit, perfusion pile are completed；(6) (3)-(5) are repeated, completes the combined construction of next construction；(7) between the rotary digging pile operation of the reinforced concrete pile two construction combinations；(8) (6)-(7) are recycled, completes all construction combination constructions.
Description
Technical field
The present invention relates to the technical field of occlusion pile driving construction, especially deep one meat or fish dyadic of loose Backfilled Stone Layer interlocking pile combination
Formula pile making method.
Background technique
Interlocking pile is that a kind of foundation pit enclosure structure for being mutually twisted arrangement is formed between stake and stake, and the arrangement mode of stake is
One not arrangement of reinforcement plain concrete pile (A) He Yigen reinforced concrete pile (B) consecutive intervals arrange, A, B diameters can
It, can also be using special-shaped arrangement of the B diameters greater than A with identical.When being usually engaged pile driving construction, generally first construct A, then
Mutually embedding occlusion is constructed B between two A, forms the supporting construction with good integral waterproofing, earth-retaining performance, in complicated week
It is widely used when the deep foundation pit support of surrounding environment condition.
For interlocking pile drilling construction, usually there are three types of processes, first is that crept into using all casing drill, second is that using
Rotary drilling rig is engaged construction firmly, third is that combining technique using full-sleeve, rotary digging, impact etc..When the place of engineering, distribution is thicker
Backfilled Stone Layer, full-sleeve drilling is difficult, therefore designs and be engaged construction firmly using rotary digging, but during practice of construction, due to
Backfill stone thickness is deep, lumpiness is big and loosely organized, and rotary digging rate of penetration is slow, bit wear is serious；Simultaneously as deep rockfill
When layer drilling, drill bit is influenced to be easy to produce deflection by block stone, bifurcated leak is occurred in bottom after interlocking pile pile, will be given foundation pit
Safety belt carrys out hidden trouble；In addition, Backfilled Stone Layer bottom surface boundary position underground water has mobility in hole, occurs serious leakage in hole
Slurry causes in hole head to decline, and causes top section of banketing collapse hole occur, so that it cannot normal pore-forming.
Selection for deep loose Backfilled Stone Layer pattern foundation pit supporting structure interlocking pile drilling engineering method, need to comprehensively consider various influences
Factor, first is that Backfilled Stone Layer uses single rotary digging drilling process, it is difficult to the serious spillage of scall and Backfilled Stone Layer be overcome to pass through
Difficulty should take brill, rush, fill out aggregate measures, accomplish not only to pass through and rockfill, but also can effectively prevent the spillage of Backfilled Stone Layer；Second is that B are stung
When closing A, since B diameters are much larger than A, occlusion insertion interface is relatively small, is easy to appear deflection when being engaged drilling, especially
Rockfilling, interval occlusion drilling block stone layer is easier to cause inclined hole, and it is to close that should adopt an effective measure, which ensures to be engaged quality and water-stagnating effect,
Key.Therefore, it is very necessary to search out a kind of pile making method that can effectively solve the above problem.
Summary of the invention
The purpose of the present invention is to provide deep loose one meat or fish dyadic combined type pile forming methods of Backfilled Stone Layer interlocking pile, it is intended to solve
Certainly in pattern foundation pit supporting structure interlocking pile work progress, lead to bore forming low efficiency, occlusion because stratum deep loose Backfilled Stone Layer occurs
Quality is difficult to ensure, the high problem of overall cost.
The invention is realized in this way deep one meat or fish dyadic combined type pile forming method of loose Backfilled Stone Layer interlocking pile, interlocking pile
Structure includes the not arrangement of reinforcement plain concrete pile and reinforced concrete pile of multiple snap-fit arrangements of sequentially interlocking；The pile making method includes
Following steps:
(1) the interlocking pile structure is distinguished into multiple constructions to combine, the construction combination includes not arrangement of reinforcement plain concrete
Stake, another not arrangement of reinforcement element being engaged with the reinforced concrete pile that arrangement of reinforcement plain concrete pile is not engaged and with reinforced concrete pile are mixed
Solidifying soil stake；Reinforced concrete pile is occluding between two adjacent construction combinations；
(2) guide wall of occlusive pile makes；
(3) to the reinforcing bar of reinforced concrete pile and two two sides occlusions combined respectively with the construction in construction combination
Concrete-pile carries out pore-forming and backfills；
(4) to the construction combination in two sides not arrangement of reinforcement plain concrete pile and centre reinforced concrete pile rotary digging at
Hole；
(5) the combined fabrication of reinforcing cage of construction, decentralization conduit, perfusion pile are completed；
(6) step (3)-(5) are repeated, the combined construction of next construction is completed；
(7) the rotary digging pile operation to the reinforced concrete pile between two construction combinations is completed；
(8) circulation step (6)-(7), until completing combined construction of all constructing.
Further, the stake diameter of the reinforced concrete pile is bigger than the stake diameter of the not arrangement of reinforcement plain concrete pile.
Further, in the step (3), to construction combination in reinforced concrete pile and two applied respectively with this
The method that the reinforced concrete pile of the two sides occlusion of work combination carries out pore-forming are as follows: first the soil layer on reinforced concrete pile top is carried out
Spiral-digging pore, then impact holing is carried out to the section of rockfilling of reinforced concrete pile.
Further, in the step (3), to construction combination in reinforced concrete pile and two applied respectively with this
The reinforced concrete pile of the two sides occlusion of work combination carries out pore-forming and the sequence of construction backfilled is, first completes first reinforced concrete
The pore-forming of native stake is backfilled after pore-forming；Then the pore-forming of second reinforced concrete pile is completed, is backfilled after pore-forming；It is last complete
At the pore-forming of third reinforced concrete pile, backfilled after pore-forming.
Further, in step (4), first to the construction combination two sides not arrangement of reinforcement plain concrete pile carry out rotary digging at
Hole finally carries out spiral-digging pore to the reinforced concrete pile among construction combination again.
Further, in step (4), after spiral-digging pore, the fishing clear bottom of slag is carried out using rotary drilling digger, after the completion of borehole cleaning under
Lining rope measurement hole depth and verticality are put, carries out down one of working procedure again after inspection is errorless.
Further, in step (5), inspection hole bottom sediment thickness before concrete perfusion is adopted when being more than design requirement
Secondary pile hole cleaning is carried out with normal circulation technology, it is ensured that bottom hole sediment thickness is met the requirements.
Compared with prior art, deep loose one meat or fish dyadic combined type pile forming side of Backfilled Stone Layer interlocking pile provided by the invention
Method has the advantages that
One, the sequence Combination Design in interlocking pile plane
In interlocking pile plane sequence of construction, take the successive sequence of construction of adjustment stake, formed a meat or fish dyadic totally three it is same
When pile combination, greatly reduce the occlusion number between interlocking pile, complete three and calculate interlocking pile to reduce about by primary
1/3 occlusion number, reduces the probability of occlusion pile deflection and jag, improves the water-stagnating effect of interlocking pile supporting construction.
Two, interlocking pile pore-forming drilling process process optimization
In stake drilling and forming hole process aspect, the optimizing drilling work technique in a point hole, multi-process combination is taken:
1, top fill stratum is crept into using rotary digging, accelerates speed of application；
2, B sections of rockfilling using percussion drilling, both rockfilled, while carrying out effectively when impact is rockfilled to hole wall by convenient pass through
Compacted filling effectively prevent collapse hole to reduce stratum spillage amount；After Backfilled Stone Layer passes through, hole section is backfilled in time, completes phase
Soil layer is crept into using rotary drilling rig again after adjacent stake process.
3, A due to stake holes diameter be less than B, and A B sections of rockfilling pass through it is subsequent construct again, A sections are smaller,
Its section quantity of rockfilling is relatively fewer, therefore using the direct aperture drilling of rotary drilling rig.
Detailed description of the invention
Fig. 1 is meat or fish dyadic combined type interlocking pile working procedure flow chart provided in an embodiment of the present invention；
Fig. 2 is interlocking pile floor plan；
Fig. 3 is 4-4,5-5 interlocking pile plane, sectional view；
Fig. 4 is the box-like sequence of construction plan view of interlocking pile set of planes；
Fig. 5 is the box-like sequence of construction schematic diagram of interlocking pile set of planes；
Fig. 6 is one meat or fish dyadic combined type process of interlocking pile, process flow operation chart；
Fig. 7 is one meat or fish dyadic combined type process of interlocking pile, process flow operation chart；
Fig. 8 is one meat or fish dyadic combined type process of interlocking pile, process flow operation chart；
Fig. 9 is one meat or fish dyadic combined type process of interlocking pile, process flow operation chart；
Figure 10 is one meat or fish dyadic combined type process of interlocking pile, process flow operation chart；
Figure 11 is one meat or fish dyadic combined type process of interlocking pile, process flow operation chart；
Figure 12 is one meat or fish dyadic combined type process of interlocking pile, process flow operation chart.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention 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 same or similar label correspond to the same or similar components in the attached drawing of the present embodiment；In description of the invention
In, it is to be understood that if there is the orientation or positional relationship of the instructions such as term " on ", "lower", "left", "right" for based on attached drawing institute
The orientation or positional relationship shown, is merely for convenience of description of the present invention and simplification of the description, rather than the dress of indication or suggestion meaning
It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore describe the use of positional relationship in attached drawing
Language only for illustration, should not be understood as the limitation to this patent, for the ordinary skill in the art, can be with
The concrete meaning of above-mentioned term is understood as the case may be.
Realization of the invention is described in detail below in conjunction with specific embodiment.
Referring to Fig.1 shown in -12, preferred embodiment is provided for the present invention.
Deep one meat or fish dyadic combined type pile forming method of loose Backfilled Stone Layer interlocking pile, occlusion pilework includes multiple sequentially interlocking
The not arrangement of reinforcement plain concrete pile and reinforced concrete pile of snap-fit arrangement；The pile making method the following steps are included:
(1) the interlocking pile structure is distinguished into multiple constructions to combine, the construction combination includes not arrangement of reinforcement plain concrete
Stake, another not arrangement of reinforcement element being engaged with the reinforced concrete pile that arrangement of reinforcement plain concrete pile is not engaged and with reinforced concrete pile are mixed
Solidifying soil stake；Reinforced concrete pile is occluding between two adjacent construction combinations；
(2) guide wall of occlusive pile makes；
(3) to the reinforcing bar of reinforced concrete pile and two two sides occlusions combined respectively with the construction in construction combination
Concrete-pile carries out pore-forming and backfills；
(4) to the construction combination in two sides not arrangement of reinforcement plain concrete pile and centre reinforced concrete pile rotary digging at
Hole；
(5) the combined fabrication of reinforcing cage of construction, decentralization conduit, perfusion pile are completed；
(6) step (3)-(5) are repeated, the combined construction of next construction is completed；
(7) the rotary digging pile operation to the reinforced concrete pile between two construction combinations is completed；
(8) circulation step (6)-(7), until completing combined construction of all constructing.
The deep loose one meat or fish dyadic combined type pile forming method of Backfilled Stone Layer interlocking pile of above-mentioned offer has below beneficial to effect
Fruit:
One, the sequence Combination Design in interlocking pile plane
In interlocking pile plane sequence of construction, take the successive sequence of construction of adjustment stake, formed a meat or fish dyadic totally three it is same
When pile combination, greatly reduce the occlusion number between interlocking pile, complete three and calculate interlocking pile to reduce about by primary
1/3 occlusion number, reduces the probability of occlusion pile deflection and jag, improves the water-stagnating effect of interlocking pile supporting construction.
Two, interlocking pile pore-forming drilling process process optimization
In stake drilling and forming hole process aspect, the optimizing drilling work technique in a point hole, multi-process combination is taken:
1, top fill stratum is crept into using rotary digging, accelerates speed of application；
2, B sections of rockfilling using percussion drilling, both rockfilled, while carrying out effectively when impact is rockfilled to hole wall by convenient pass through
Compacted filling effectively prevent collapse hole to reduce stratum spillage amount；After Backfilled Stone Layer passes through, hole section is backfilled in time, completes phase
Soil layer is crept into using rotary drilling rig again after adjacent stake process.
3, A due to stake holes diameter be less than B, and A B sections of rockfilling pass through it is subsequent construct again, A sections are smaller,
Its section quantity of rockfilling is relatively fewer, therefore using the direct aperture drilling of rotary drilling rig.
Specifically, the stake diameter of the reinforced concrete pile is bigger than the stake diameter of the not arrangement of reinforcement plain concrete pile.
Specifically, in the step (3), to construction combination in reinforced concrete pile and two respectively with the construction
The method that the reinforced concrete pile of combined two sides occlusion carries out pore-forming are as follows: first the soil layer on reinforced concrete pile top is revolved
Hole is scraped out, then impact holing is carried out to the section of rockfilling of reinforced concrete pile.
Specifically, in the step (3), to construction combination in reinforced concrete pile and two respectively with the construction
The reinforced concrete pile of combined two sides occlusion carries out pore-forming and the sequence of construction backfilled is, first completes first armored concrete
The pore-forming of stake is backfilled after pore-forming；Then the pore-forming of second reinforced concrete pile is completed, is backfilled after pore-forming；It finally completes
The pore-forming of third reinforced concrete pile backfills after pore-forming.
In the present embodiment, in step (4), rotary digging first is carried out to the not arrangement of reinforcement plain concrete pile to construction combination two sides
Pore-forming finally carries out spiral-digging pore to the reinforced concrete pile among construction combination again.
Furthermore in step (4), after spiral-digging pore, carry out the fishing clear bottom of slag, transferring survey after the completion of borehole cleaning using rotary drilling digger
Fathom metering-orifice depth and verticality carry out down one of working procedure after inspection is errorless again.
In step (5), inspection hole bottom sediment thickness before concrete perfusion uses direct circulation work when being more than design requirement
Skill carries out secondary pile hole cleaning, it is ensured that bottom hole sediment thickness is met the requirements.
Below in conjunction with Shenzhen Qian Hai Wei Zhong bank foundation pit project, the present invention is described in detail:
Shenzhen Qian Hai Wei Zhong bank foundation pit project design of its support uses interlocking pile, and foundation pit west side 4-4,5-5 section is (as follows
Fig. 2 shows) design is engaged using the B stake of φ 1400 with the A of φ 1000 stake, and A, B are mutually twisted 350mm, the A long 22~26m of stake,
The B long 30~35m of stake.Present position master stratum be banket, rockfill, mud, silty clay, remaining gravelly clay, it is complete~
Strong weathered granite, in which: top fill stratum is landfill after marching into the arena, thickness about 6.18~9.65m；Lower part Backfilled Stone Layer is to fill out when filling out sea
The block stone built, 30~80cm of lumpiness, soap-free emulsion polymeization, thickness about 9.1~11.6m.Pattern foundation pit supporting structure plane, section are shown in that Fig. 2, Fig. 3 show.
The Specific construction process of the design of its support of this project are as follows:
One, guide wall of occlusive pile makes
In order to improve the positioning accuracy in hole-drilling interlocking pile aperture and improve hole-drilling interlocking pile verticality, construct on stake top top
Armored concrete leads wall, specific steps are as follows:
1, smooth location
Earth's surface sundries is removed, fills and leads up and rolls and place steel plate, Spiral digging machine load-bearing is used for, prevents in work progress because of fuselage weight
Amount or vibration cause fuselage to tilt, it is ensured that the verticality of pile.
2, measurement is put a little
Pile center's line coordinates is calculated according to the coordinate that design drawing provides, is clicked through using total station according to ground polygon control survey
Row setting-out on the spot, and fender pile is carried out, as the control middle line of construction of guide wall, and guarantee the precision of its position.
3, it leads wall and hand excavation is aided with using machinery, immediately introduce middle line under groove after excavation, to control bed die
And template construction, it is ensured that lead the accurate of center line of wall.
4, design requirement assembling reinforcement is pressed, wall rebar design C16 screw-thread steel is led, is arranged using double-layer double-direction, between reinforcing bar
Away from by 200*200mm arrangement.
5, using the steel form formwork specially made and fixation, with C30 concreting.
Two, B1, B2, B3 distinguish pore-forming and backfill
1, after leading wall and having sufficient intensity, campshed center is put in form removal, repositioning in a suitable place to breed, it is ensured that rotary digging position and is set
It is consistent to count hole location center, pile position deviation is not more than 10mm.
2, Spiral digging machine is in place, sequentially constructs respectively to B1, B2, B3, on the main construction stake position Backfilled Stone Layer of Spiral digging machine
Portion's soil layer shortens the construction time with this, and scene is crept into using SR365 type Spiral digging machine.
3, rotary digging is to level drilling machine displacement of rockfilling, using punching pile machine relay in place to lower part Backfilled Stone Layer impact holing.Punching
Using hitting slowly when hitting, mud balance is increased.
4, after punching brill breaks through Backfilled Stone Layer, hole section backfill is carried out in such a way that plain soil mixes cement, is backfilled to and leads wall bottom
Absolute altitude.
5, using rotary digging identical as B1, impact, backfilling process, construction operation is carried out to B2, B3 meat or fish stake respectively.
Three, 1 spiral-digging pore in order of A1, A2, B2 construction combination
1, since construction built pile middle part B2 meat or fish stake stake diameter is big, there is collapse hole phenomenon during rotary digging in order to prevent, arrange
First rotary digging A1, A2 element stake, then construct B2.
2, since the deep loose Backfilled Stone Layer of meat or fish stake has passed through, remaining Backfilled Stone Layer sectional dimension is smaller in plain stake, sectional dimension
It is original 1/3, therefore the contained amount of rockfilling is smaller, therefore using the direct aperture construction of Spiral digging machine.
3, when drilling machine is in place, smooth, firm, not run-off the straight is kept, it is deep for accurate control hole, in the construction process often
Check that drilling rod is vertical, it is ensured that hole wall is vertical.
4, during drilling and forming hole, drilling parameter is reasonably selected according to stratum, hole depth variation, modulates proposed, guarantor in time
Hole quality is demonstrate,proved, the pulp noodle elevation of mud in control hole, it is ensured that hole wall is stablized.
3, construction built pile 1 the fishing clear bottom of slag, transfer after the completion of borehole cleaning using rotary drilling digger after the completion of totally three pore-formings
Lining rope measures hole depth and verticality, carries out down one of working procedure again after inspection is errorless.
Four, 1 steel reinforcement cage system of construction combination peace, decentralization perfusion conduit, perfusion pile
1, B2 pile cages complete processing and fabricating according to design requirement, and carry out acceptance of concealed work, hang in hole after qualified
It is interior.
2, meat or fish pile cages length longest 35m or so is designed, 9.5t is weighed about, main reinforcement is connected using straight screw machine, is used
Disposable entirety hoisting, reinforcement cage hoisting are risen during helping directly using two 75t crawler cranes " six point types " hanging method
It hangs.After reinforcement cage hoisting is vertically put, extra wirerope is removed, a crawler crane is used instead and is hung into hole.
3, it should hang and directly be helped surely after steel reinforcement cage aperture is in place, alignment hole location is slowly sunk, and is forbidden raised pelter, must not be rocked and touch
It hits hole wall and enters hole by force, its decentralization depth is determined by control steel reinforcement cage top mark height, after installing, it is necessary at once
Steel reinforcement cage is fixed in hole using reinforcing rod.
Five, 1 decentralization perfusion conduit of construction combination, perfusion pile
1, after the confirmation of cage top absolute altitude, conduit is placed, is put in meat or fish pile cages under conduit, in conduit whole tripping in hole
After put to bottom hole, to check catheter length and hole depth, then lift 30-50mm.
2, inspection hole bottom sediment thickness before perfusion concrete, if it exceeds design requirement then uses normal circulation technology progress secondary clear
Hole, it is ensured that bottom hole sediment thickness is not more than 200mm；When borehole cleaning, using mud property in premium mud adjusting hole, mud ratio is kept
Weigh about 1.05 or so；After borehole cleaning, the hopper of installation perfusion in time.
3, underwater grouting concrete using Commercial Concrete in order to facilitate later period B3 construction, need in concrete super-retarder；Perfusion is mixed
When solidifying soil, 0.8m is no less than below Transducers Embedded in Concrete perfusion face of first watering conduit, conduit Transducers Embedded in Concrete is deep in filling process
Degree keeps 2~6m.
Six, 2~4 process construction construction combination 2 is repeated
After 1 three pile driving constructions of combination to be onstructed, using the engineering method for being identical to construction combination 1, one is carried out to construction combination 2
Meat or fish dyadic interlocking pile carries out construction combined type construction operation.
Seven, B3 rotary digging pile operation
Remaining middle part B3 meat or fish stake after being constructed due to region 1 and region 2, rock layers sectional dimension is smaller is for backfill
700mm carries out hard spiral-digging pore using Spiral digging machine.
The technique using a meat or fish dyadic totally three combined type constructions, first using bore, to rush technique first laggard to B1, B2, B3
After below row construction to Backfilled Stone Layer, then it is backfilled to and leads wall bottom absolute altitude；Spiral digging machine is in place later, according to the sequence of construction of A1, A2, B2
Construction pile is carried out to combination 1.Operation is carried out to combination 2 using above-mentioned identical sequence of construction, finally using Spiral digging machine to B3
Carry out the operations such as cutting pore-forming, borehole cleaning, decentralization steel reinforcement cage, perfusion concrete.The box-like arrangement of interlocking pile set of planes is shown in that Fig. 4 shows, plane
Sequence of construction is shown in that Fig. 5 shows, combined type interlocking pile process, technical operation flow are shown in that Fig. 6-12 shows.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (7)
1. deep one meat or fish dyadic combined type pile forming method of loose Backfilled Stone Layer interlocking pile, which is characterized in that occlusion pilework includes more
The not arrangement of reinforcement plain concrete pile and reinforced concrete pile of a snap-fit arrangement of sequentially interlocking；The pile making method the following steps are included:
(1) the interlocking pile structure multiple constructions are distinguished into combine, the construction combination include not arrangement of reinforcement plain concrete pile and
The not reinforced concrete pile of arrangement of reinforcement plain concrete pile occlusion and another not arrangement of reinforcement plain concrete being engaged with reinforced concrete pile
Stake；Reinforced concrete pile is occluding between two adjacent construction combinations；
(2) guide wall of occlusive pile makes；
(3) to the reinforced concrete of reinforced concrete pile and two two sides occlusions combined respectively with the construction in construction combination
Native stake carries out pore-forming and backfills；
(4) the not arrangement of reinforcement plain concrete pile to the two sides in construction combination and the reinforced concrete pile spiral-digging pore of centre；
(5) the combined fabrication of reinforcing cage of construction, decentralization conduit, perfusion pile are completed；
(6) step (3)-(5) are repeated, the combined construction of next construction is completed；
(7) the rotary digging pile operation to the reinforced concrete pile between two construction combinations is completed；
(8) circulation step (6)-(7), until completing combined construction of all constructing.
2. deep loose one meat or fish dyadic combined type pile forming method of Backfilled Stone Layer interlocking pile as described in claim 1, which is characterized in that
The stake diameter of the reinforced concrete pile is bigger than the stake diameter of the not arrangement of reinforcement plain concrete pile.
3. deep loose one meat or fish dyadic combined type pile forming method of Backfilled Stone Layer interlocking pile as described in claim 1, which is characterized in that
In the step (3), to the reinforced concrete pile in combining and the two two sides occlusions combined respectively with the construction of constructing
The reinforced concrete pile method that carries out pore-forming are as follows: spiral-digging pore first is carried out to the soil layer on reinforced concrete pile top, then to steel
The section of rockfilling of rib concrete pile carries out impact holing.
4. deep loose one meat or fish dyadic combined type pile forming method of Backfilled Stone Layer interlocking pile as described in claim 1, which is characterized in that
In the step (3), to the reinforced concrete pile in combining and the two two sides occlusions combined respectively with the construction of constructing
Reinforced concrete pile carry out pore-forming and backfill sequence of construction be, first complete first reinforced concrete pile pore-forming, pore-forming
After backfilled；Then the pore-forming of second reinforced concrete pile is completed, is backfilled after pore-forming；Finally complete third reinforced concrete
The pore-forming of native stake backfills after pore-forming.
5. deep loose one meat or fish dyadic combined type pile forming method of Backfilled Stone Layer interlocking pile as described in claim 1, which is characterized in that
In step (4), spiral-digging pore first is carried out to the not arrangement of reinforcement plain concrete pile to construction combination two sides, finally again to the construction
The intermediate reinforced concrete pile of combination carries out spiral-digging pore.
6. deep loose one meat or fish dyadic combined type pile forming method of Backfilled Stone Layer interlocking pile as described in claim 1, which is characterized in that
In step (4), after spiral-digging pore, the fishing clear bottom of slag is carried out using rotary drilling digger, transfer after the completion of borehole cleaning lining rope measurement hole depth and
Verticality carries out down one of working procedure after inspection is errorless again.
7. deep loose one meat or fish dyadic combined type pile forming method of Backfilled Stone Layer interlocking pile as claimed in any one of claims 1 to 6,
It is characterized in that, in step (5), inspection hole bottom sediment thickness before concrete perfusion is used when being more than design requirement and is just being followed
Ring technique carries out secondary pile hole cleaning, it is ensured that bottom hole sediment thickness is met the requirements.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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