CN110306562A - A kind of soft construction method of interlocking pile of foundation pit - Google Patents
A kind of soft construction method of interlocking pile of foundation pit Download PDFInfo
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- CN110306562A CN110306562A CN201910605740.0A CN201910605740A CN110306562A CN 110306562 A CN110306562 A CN 110306562A CN 201910605740 A CN201910605740 A CN 201910605740A CN 110306562 A CN110306562 A CN 110306562A
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- casing
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
- E02D17/04—Bordering surfacing or stiffening the sides of foundation pits
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
- E02D5/38—Concrete or concrete-like piles cast in position ; Apparatus for making same making by use of mould-pipes or other moulds
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention discloses a kind of soft construction method of interlocking pile of foundation pit, it will be in first sleeve indentation soil by drill machine with casing, soil is taken to then proceed to indentation first sleeve by grab bucket during in first sleeve indentation soil, after in first sleeve all indentation soil, the depth further to drill as needed takes over, multiple first sleeves are repeated in aforesaid operations indentation soil, the present invention relates to construction method of interlocking pile technical fields.The soft construction method of interlocking pile of the foundation pit, after step 1 pressure pipe is buried, pass through drill hole of drilling machine, and more reinforcing bars are placed in the hole of turn hole machine drill, make to form connecting key between first sleeve, the second casing and ground after the completion of pouring, the hole that third casing two sides are reserved is drilled using drilling equipment simultaneously, and cooperate more reinforcing bars, so that forming shear key between third casing and first sleeve, the second casing, the occlusion performance of interlocking pile effectively is enhanced, obtains bigger maintenance rigidity.
Description
Technical field
The present invention relates to construction method of interlocking pile technical field, specially a kind of soft construction method of interlocking pile of foundation pit.
Background technique
Interlocking pile is that part circumference is mutually embedding between adjacent concrete campshed, and affixes one's name in the stake of the alternate construction of rear order into reinforcing bar
Cage is allowed to be formed whole continuous waterproof, earth-retaining building enclosure with good barrier effect.Interlocking pile is the shape between stake and stake
At a kind of foundation pit enclosure structure for being mutually twisted arrangement.The arrangement mode of stake is not arrangement of reinforcement and a use extra retarded set plain concrete
Stake (A) and reinforced concrete pile (B) arranged for interval.When construction, first construct A, rear construction B, in A pile concrete
B constructions are completed before initial set.A, B are all made of all casing drill construction, cut away the coagulation of adjacent A intersection
Soil, to realize occlusion, construction point is as follows: making concrete guide wall, guarantees that interlocking pile is accurately positioned, it is ensured that drilling machine is steady, holds
By construction loads.It spuds in, hangs Section 1 casing, control the verticality of casing, sleeve outer wall is affixed on using inclinometer and is hung down
Straight degree detection, finds deviation timely correction.Pore-forming rear sleeve pulls up paragraph by paragraph with filling concrete.Filling concrete, in B pile driving construction
In since A must be cut, in the state that A pile concrete is not up to certain intensity, the mill of drill machine with casing is dynamic and incision is to A
Concrete can generate damage.For this purpose, being in the state of end initial set in A pile concrete using the presetting period for delaying A pile concrete
Under apply B arrangement and method for construction.
The existing soft occlusion pile driving construction of foundation pit, it is most of using mutual between full plain concrete pile and reinforced concrete pile
Occlusion arrangement pouring molding, the time, which has grown full plain concrete pile and the junction of reinforced concrete pile, can generate crack, stability
It is poor, while the bonding strength between full plain concrete pile and reinforced concrete pile and ground is low, reduces interlocking pile entirety
It is engaged performance.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, it the present invention provides a kind of soft construction method of interlocking pile of foundation pit, solves existing
The soft occlusion pile driving construction of foundation pit, the junction of full plain concrete pile and reinforced concrete pile can generate crack, and between ground
Bonding strength it is low, interlocking pile is integrally engaged the low problem of performance.
(2) technical solution
In order to achieve the above object, the present invention is achieved by the following technical programs: a kind of soft occlusion pile driving construction of foundation pit
Method, specifically includes the following steps:
Step 1: pressure pipe is buried: by drill machine with casing by first sleeve indentation soil, being pressed into the mistake in soil in first sleeve
Soil is taken to then proceed to indentation first sleeve by grab bucket in journey, after in first sleeve all indentation soil, further as needed
The depth of drilling takes over, and multiple first sleeves is repeated in aforesaid operations indentation soil, in indentation final section first sleeve
When, according to the hole depth of requirement of engineering, hole depth is measured by measuring device during drilling；
Step 2: pouring pile: the bull stick of turn hole being put into first sleeve, is drilled by drilling machine, is then taken out
Drilling rod, and then more reinforcing bars are placed in the hole of turn hole machine drill by clamp device, it is then placed in concrete pouring conduit, Jin Ertong
Concrete pouring tremie placing concrete is crossed, concrete pouring conduit is lifted further up, and continue concreting process, works as concrete
After the completion of pouring, first sleeve is taken out, forms A1；
Step 3: pouring pile: stake machine being shifted, by drill machine with casing by the second casing indentation soil, repeats to walk
A rapid process takes soil using grab bucket and is taken over according to the depth of drilling, and multiple second casings are pressed into soil, and utilizes and turn
More reinforcing bars are placed in the hole of turn hole machine drill by clamp device, are led according in step 2 by concrete pouring by hole machine drill hole
Pipe carries out concreting, after the completion of concreting, takes out the second casing, forms A2；
Step 4: cutting pile: and then stake machine drill hole site is displaced between first sleeve and the second casing, then will
Third casing along A1 and A2 progress cutting drillings, and according to step 1 using grab bucket take soil and according to the depth of drilling into
Row adapter tube, when being pressed into final section third casing, according to the hole depth of requirement of engineering, passes through measuring device during drilling
Measure hole depth；
Step 5: occlusion pile: the hole that third casing two sides are reserved being drilled by drilling equipment, and then will be more
Root reinforcing bar is placed in hole, and then steel reinforcement cage is placed in third casing, this is put into concrete pouring conduit, is led using concrete pouring
Slow casting concrete is managed, while slowly lifting third casing upwards, by concrete and first sleeve, the second casing and third set
Gap between pipe comes into full contact with, until concreting is completed, forms B；
Step 6: pouring molding: by the A1 stake in above-mentioned steps, the occlusive state that is formed between A2 and B repeat into
Row operation makes to form the state for being mutually twisted arrangement between it, last whole carry out pouring molding.
Preferably, guarantee accurately positioned when pressure pipe is buried in the step 1, monitor verticality, guarantee to hang down
Straight precision.
Preferably, the number of steel bars in the step 2 determines particular number, reinforcing bar and first sleeve according to requirement of engineering
Between overlap distance be 10cm.
Preferably, the drilling depth of drilling machine is 20cm in the step 3.
Preferably, the third casing two sides in the step 4 offer reserving hole, and the quantity of reserving hole is according to work
Journey, which needs to calculate, to be determined.
Preferably, the number of steel bars in the step 5 determines particular number according to requirement of engineering, and the shape of reinforcing bar is L
Shape.
Preferably, the occlusal contact area in the step 5 is obtained according to engineering calculation.
Preferably, retarder is added in the A1 stake in the step 2 and the A2 stake in step 3 in casting process.
(3) beneficial effect
The present invention provides a kind of soft construction method of interlocking pile of foundation pit.Compared with prior art, have following beneficial to effect
Fruit:
(1), the soft construction method of interlocking pile of the foundation pit, by Step 1: pressure pipe is buried: by drill machine with casing by first
In casing indentation soil, soil is taken to then proceed to indentation first sleeve by grab bucket during in first sleeve indentation soil, when the
After sleeve is all pressed into soil, the depth further to drill as needed is taken over, and multiple first sleeves is repeated above-mentioned
In operation indentation soil, when being pressed into final section first sleeve, according to the hole depth of requirement of engineering, pass through survey during drilling
It measures device and measures hole depth；Step 2: pouring pile: the bull stick of turn hole being put into first sleeve, is drilled by drilling machine, so
After take out drilling rod, and then more reinforcing bars are placed in the hole of turn hole machine drill by clamp device, are then placed in concrete pouring conduit,
And then by concrete pouring tremie placing concrete, concrete pouring conduit is lifted further up, and continue concreting process, when
After the completion of concreting, first sleeve is taken out, forms A1；Step 3: pouring pile: stake machine being shifted, set is passed through
Pipe drilling machine repeats in the second casing indentation soil step 1 process and takes soil using grab bucket and taken over according to the depth of drilling,
Multiple second casings are pressed into soil, and are drilled using drilling machine, more reinforcing bars are placed on by turn hole machine drill by clamp device
Hole in, according in step 2 by concrete pouring conduit carry out concreting, after the completion of concreting, take out second set
Pipe forms A2；Step 4: cutting pile: and then stake machine drill hole site is displaced between first sleeve and the second casing, so
Afterwards by third casing along A1 and A2 progress cutting drillings, and soil is taken and according to the depth of drilling using grab bucket according to step 1
Degree takes over, and when being pressed into final section third casing, according to the hole depth of requirement of engineering, passes through measurement during drilling
Device measures hole depth；Step 5: occlusion pile: the hole that third casing two sides are reserved is drilled by drilling equipment, into
And more reinforcing bars are placed in hole, then steel reinforcement cage is placed in third casing, this is put into concrete pouring conduit, utilizes concrete
The slow casting concrete of conduit is perfused, while slow lifting third casing upwards, by concrete and first sleeve, the second casing and
Gap between third casing comes into full contact with, until concreting is completed, forms B；Step 6: pouring molding: will be above-mentioned
The occlusive state formed between A1 stake in step, A2 and B repeats to operate, and makes to be formed between it and is mutually twisted arrangement
State, last whole carry out pouring molding, after step 1 pressure pipe is buried, by drill hole of drilling machine, and by more steel
Muscle is placed in the hole of turn hole machine drill, makes to form connecting key between first sleeve, the second casing and ground after the completion of pouring,
The hole that third casing two sides are reserved is drilled using drilling equipment simultaneously, and cooperates more reinforcing bars, so that third casing
Shear key is formed between first sleeve, the second casing, effectively enhances the occlusion performance of interlocking pile, to obtain bigger
Maintenance rigidity.
(2), the soft construction method of interlocking pile of the foundation pit, by guarantee in step 1 carry out pressure pipe bury when accurately into
Row positioning, monitors verticality, guarantees vertical precision, and the number of steel bars in step 2 determines particular number, steel according to requirement of engineering
Overlap distance between muscle and first sleeve is 10cm, and the drilling depth of drilling machine is 20cm in step 3, quasi- when pressure pipe is buried
It is really positioned, monitors verticality, the occlusion performance of interlocking pile, the weight between reinforcing bar and first sleeve can be effectively guaranteed
Folded distance is 10cm, can form connecting key, the stability of interlocking pile is strong.
(3), the soft construction method of interlocking pile of the foundation pit offers preformed hole by the third casing two sides in step 4
Hole, the quantity of reserving hole is calculated according to requirement of engineering to be determined, the number of steel bars in step 5 determines specific according to requirement of engineering
Quantity, and the shape of reinforcing bar is that L shape can drill to A1 and A2, by the way that reserving hole is arranged by the shape of reinforcing bar
It is set as L shape, it is ensured that steel reinforcement cage may be mounted in third casing, facilitate subsequent construction.
Specific embodiment
The following is a clear and complete description of the technical scheme in the embodiments of the invention, it is clear that described embodiment
Only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, the common skill in this field
Art personnel every other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
The embodiment of the present invention provides a kind of technical solution: a kind of soft construction method of interlocking pile of foundation pit specifically includes following
Step:
Step 1: pressure pipe is buried: by drill machine with casing by first sleeve indentation soil, being pressed into the mistake in soil in first sleeve
Soil is taken to then proceed to indentation first sleeve by grab bucket in journey, after in first sleeve all indentation soil, further as needed
The depth of drilling takes over, and multiple first sleeves is repeated in aforesaid operations indentation soil, in indentation final section first sleeve
When, according to the hole depth of requirement of engineering, hole depth is measured by measuring device during drilling, guarantees pressed in step 1
It is accurately positioned when pipe buries, monitors verticality, guarantee vertical precision；
Step 2: pouring pile: the bull stick of turn hole being put into first sleeve, is drilled by drilling machine, is then taken out
Drilling rod, and then more reinforcing bars are placed in the hole of turn hole machine drill by clamp device, it is then placed in concrete pouring conduit, Jin Ertong
Concrete pouring tremie placing concrete is crossed, concrete pouring conduit is lifted further up, and continue concreting process, works as concrete
After the completion of pouring, first sleeve to be taken out, forms A1, the number of steel bars in step 2 determines particular number according to requirement of engineering,
Overlap distance between reinforcing bar and first sleeve is 10cm；
Step 3: pouring pile: stake machine being shifted, by drill machine with casing by the second casing indentation soil, repeats to walk
A rapid process takes soil using grab bucket and is taken over according to the depth of drilling, and multiple second casings are pressed into soil, and utilizes and turn
More reinforcing bars are placed in the hole of turn hole machine drill by clamp device, are led according in step 2 by concrete pouring by hole machine drill hole
Pipe carries out concreting, after the completion of concreting, takes out the second casing, forms A2, the brill of drilling machine in step 3
Hole depth is 20cm, and retarder is added in the A1 stake in step 2 and the A2 stake in step 3 in casting process；
Step 4: cutting pile: and then stake machine drill hole site is displaced between first sleeve and the second casing, then will
Third casing along A1 and A2 progress cutting drillings, and according to step 1 using grab bucket take soil and according to the depth of drilling into
Row adapter tube, when being pressed into final section third casing, according to the hole depth of requirement of engineering, passes through measuring device during drilling
Hole depth is measured, the third casing two sides in step 4 offer reserving hole, and the quantity of reserving hole is calculated according to requirement of engineering
It determines；
Step 5: occlusion pile: the hole that third casing two sides are reserved being drilled by drilling equipment, and then will be more
Root reinforcing bar is placed in hole, and then steel reinforcement cage is placed in third casing, this is put into concrete pouring conduit, is led using concrete pouring
Slow casting concrete is managed, while slowly lifting third casing upwards, by concrete and first sleeve, the second casing and third set
Gap between pipe comes into full contact with, until concreting is completed, forms B, the number of steel bars in step 5 is according to engineering need
Determine particular number, and the shape of reinforcing bar is L shape, the occlusal contact area in step 5 is obtained according to engineering calculation；
Step 6: pouring molding: by the A1 stake in above-mentioned steps, the occlusive state that is formed between A2 and B repeat into
Row operation makes to form the state for being mutually twisted arrangement between it, last whole carry out pouring molding.
In conclusion being placed on turn hole machine drill by drill hole of drilling machine, and by more reinforcing bars after step 1 pressure pipe is buried
In hole, make to form connecting key between first sleeve, the second casing and ground after the completion of pouring, while utilizing drilling equipment will
The reserved hole in third casing two sides drills, and cooperates more reinforcing bars, so that third casing and first sleeve, the second casing
Between form shear key, the occlusion performance of interlocking pile is effectively enhanced, to obtain bigger maintenance rigidity.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (8)
1. a kind of soft construction method of interlocking pile of foundation pit, including, it is characterised in that: specifically includes the following steps:
Step 1: pressure pipe is buried: first sleeve being pressed into soil by drill machine with casing, during in first sleeve indentation soil
Soil is taken to then proceed to indentation first sleeve by grab bucket, after in first sleeve all indentation soil, further drilling as needed
Depth take over, by multiple first sleeves repeat aforesaid operations indentation soil in, when being pressed into final section first sleeve, root
According to the hole depth of requirement of engineering, hole depth is measured by measuring device during drilling；
Step 2: pouring pile: the bull stick of turn hole is put into first sleeve, is drilled by drilling machine, drilling rod is then taken out,
And then more reinforcing bars are placed in the hole of turn hole machine drill by clamp device, it is then placed in concrete pouring conduit, and then pass through concrete
Tremie placing concrete is perfused, lifts concrete pouring conduit further up, and continue concreting process, works as concreting
After the completion, first sleeve is taken out, forms A1；
Step 3: pouring pile: stake machine being shifted, by drill machine with casing by the second casing indentation soil, repeats step 1
Process takes soil using grab bucket and is taken over according to the depth of drilling, and multiple second casings are pressed into soil, and utilizes drilling machine
Drilling, more reinforcing bars are placed in the hole of turn hole machine drill by clamp device, according in step 2 pass through concrete pouring conduit into
Row concreting takes out the second casing after the completion of concreting, forms A2；
Step 4: cutting pile: and then stake machine drill hole site is displaced between first sleeve and the second casing, then by third
Casing takes soil using grab bucket according to step 1 and is connect according to the depth of drilling along A1 and A2 progress cutting drillings
Pipe, according to the hole depth of requirement of engineering, is measured during drilling by measuring device when being pressed into final section third casing
Hole depth；
Step 5: occlusion pile: the hole that third casing two sides are reserved being drilled by drilling equipment, and then by more steel
Muscle is placed in hole, and then steel reinforcement cage is placed in third casing, this is put into concrete pouring conduit, slow using concrete pouring conduit
Slow casting concrete, while slow lifting third casing upwards, by concrete and first sleeve, the second casing and third casing it
Between gap come into full contact with, until concreting complete, formed B；
Step 6: pouring molding: the A1 stake in above-mentioned steps, the occlusive state that is formed between A2 and B are repeated to grasp
Make, makes to form the state for being mutually twisted arrangement between it, last whole carry out pouring molding.
2. the soft construction method of interlocking pile of a kind of foundation pit according to claim 1, it is characterised in that: protected in the step 1
Card accurately positioned when pressure pipe is buried, and monitors verticality, guarantees vertical precision.
3. the soft construction method of interlocking pile of a kind of foundation pit according to claim 1, it is characterised in that: in the step 2
Number of steel bars determines particular number according to requirement of engineering, and the overlap distance between reinforcing bar and first sleeve is 10cm.
4. the soft construction method of interlocking pile of a kind of foundation pit according to claim 1, it is characterised in that: bored in the step 3
The drilling depth of hole machine is 20cm.
5. the soft construction method of interlocking pile of a kind of foundation pit according to claim 1, it is characterised in that: in the step 4
Third casing two sides offer reserving hole, and the quantity of reserving hole is calculated according to requirement of engineering to be determined.
6. the soft construction method of interlocking pile of a kind of foundation pit according to claim 1, it is characterised in that: in the step 5
Number of steel bars determines particular number according to requirement of engineering, and the shape of reinforcing bar is L shape.
7. the soft construction method of interlocking pile of a kind of foundation pit according to claim 1, it is characterised in that: in the step 5
Occlusal contact area is obtained according to engineering calculation.
8. the soft construction method of interlocking pile of a kind of foundation pit according to claim 1, it is characterised in that: in the step 2
A1 are added retarder with the A2 stake in step 3 in casting process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910605740.0A CN110306562A (en) | 2019-07-05 | 2019-07-05 | A kind of soft construction method of interlocking pile of foundation pit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910605740.0A CN110306562A (en) | 2019-07-05 | 2019-07-05 | A kind of soft construction method of interlocking pile of foundation pit |
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| CN110306562A true CN110306562A (en) | 2019-10-08 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103266600A (en) * | 2013-05-17 | 2013-08-28 | 浙江省地质矿产工程公司 | Occlusion pile of full reinforcement pile and construction method thereof |
| CN105970920A (en) * | 2016-05-27 | 2016-09-28 | 东通岩土科技（杭州）有限公司 | Occlusive pile construction process |
| CN106703011A (en) * | 2015-11-12 | 2017-05-24 | 甘肃建研岩土工程有限公司 | Construction method of occlusive piles of water-containing pebble bed and saturated sandstone stratum |
| JP2018062745A (en) * | 2016-10-11 | 2018-04-19 | 清水建設株式会社 | Structure with composite underground wall |
| CN108625369A (en) * | 2018-06-22 | 2018-10-09 | 中铁二局第工程有限公司 | The hard patterning method construction method of interlocking pile in karst area |
-
2019
- 2019-07-05 CN CN201910605740.0A patent/CN110306562A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103266600A (en) * | 2013-05-17 | 2013-08-28 | 浙江省地质矿产工程公司 | Occlusion pile of full reinforcement pile and construction method thereof |
| CN106703011A (en) * | 2015-11-12 | 2017-05-24 | 甘肃建研岩土工程有限公司 | Construction method of occlusive piles of water-containing pebble bed and saturated sandstone stratum |
| CN105970920A (en) * | 2016-05-27 | 2016-09-28 | 东通岩土科技（杭州）有限公司 | Occlusive pile construction process |
| JP2018062745A (en) * | 2016-10-11 | 2018-04-19 | 清水建設株式会社 | Structure with composite underground wall |
| CN108625369A (en) * | 2018-06-22 | 2018-10-09 | 中铁二局第工程有限公司 | The hard patterning method construction method of interlocking pile in karst area |
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Application publication date: 20191008 |