CN108442362A - One kind passing through riprap layer drilled pile construction method for coastal - Google Patents
One kind passing through riprap layer drilled pile construction method for coastal Download PDFInfo
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- CN108442362A CN108442362A CN201810194480.8A CN201810194480A CN108442362A CN 108442362 A CN108442362 A CN 108442362A CN 201810194480 A CN201810194480 A CN 201810194480A CN 108442362 A CN108442362 A CN 108442362A
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- steel pile
- pile casting
- casing
- interior
- coastal
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
- E02D5/38—Concrete or concrete-like piles cast in position ; Apparatus for making same making by use of mould-pipes or other moulds
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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
- E02D5/66—Mould-pipes or other moulds
- E02D5/665—Mould-pipes or other moulds for making piles
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Earth Drilling (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention discloses one kind passing through riprap layer drilled pile construction method for coastal, it replaces pulping pore-forming in breakwater fill block stone throwing region by the sea using a kind of double steel pile casting respective outer side edges drilled pile equipment that can pass through riprap layer alternately operating, when drilling, the outer steel pile casting of double steel pile casting structures and the alternating pulping follow-up of interior steel pile casting.It is the configuration of the present invention is simple, easy to install and use, it constitutes double casing structures by designing an interior casing in casing outside tradition, double casing structures can realize bored piles diameter subsection hole-drilling molding, so as to avoid single casing structure sinking be obstructed, can not sink again steel pile casting the case where.
Description
Technical field
The present invention relates to a kind of coastal riprap layer is thicker, riprap layer drilled pile construction method is passed through, bridge method skill is belonged to
Art field, and in particular to one kind being used for seashore hydraulic reclamation region, breakwater fill block stone throwing region drilled pile construction method.
Background technology
The development of reclaiming fields from the sea of southeastern coast is very fast at present, and the exploitation to reclaiming fields from the sea, all planning have bridge or water conservancy project code
Head access bridge is connected with the breakwater for flood control of reclaiming fields from the sea, and for bridge foundation based on cast-in-situ bored pile, breakwater is all fill block stone throwing
Basis, boulder manage slope mask, turn round king's block bank protection face.Big, the region influenced by sea wave as well as tide in this boulder, jackstone thickness
Construction drill stake, since there are a large amount of holes between jackstone, and the tide type at the peninsulas Qi Sha of Port of Fangcheng belongs to regular full-time tide, when
When whole medicine is notable, tidal range is big (extreme tide range >=4.5m), and drilled pile construction region is only than being higher by 1.5m, water when highest water level
Flat distance is about 10m, and when being constructed using conventional bored pile construction method, greatly due to tidal level variation, seawater gushes at the incoming tide
Into in hole, mud is lost in along hole with seawater in hole at ebb tide, can not both ensure head in hole, can not also ensure drilling slurry
Performance leads to not creep into, and enrockment area is since stone is larger more, disposable injection casing can not be transferred to enrockment area and
Neap is hereinafter, casing can not seriously use full casing to construct because of bottom wiredrawn edge or upper deformation.
Invention content
In view of the above-mentioned drawbacks of the prior art, present invention aim to solve the deficiency of above-mentioned background technology,
One kind is provided and is used for coastal jackstone region drilled pile forming hole method, can instruct to bore on the breakwater pierre-perdue reclaimed fields from the sea
Hole stake drilling construction.
In order to solve the above technical problems, present invention employs one kind riprap layer drilled pile drilling construction work is passed through for coastal
Skill utilizes a kind of double steel pile casting respective outer side edges drilled pile equipment breakwater throwing by the sea that can pass through riprap layer alternately operating
Alternately pulping pore-forming in block stone region, when drilling, the outer steel pile casting of double steel pile casting structures and the alternating pulping follow-up of interior steel pile casting.
In a kind of preferred embodiment of the present invention, specific steps include：(1) seashore breakwater is excavated using excavator
The jackstone in fill block stone throwing region is until flood slack position；(2) it utilizes loop wheel machine that steel pile casting structure is installed, and is bored in high tide level
Into after about 3m, the outer steel pile casting of steel pile casting structure is transferred, continues to creep into after ensureing its verticality；(3) in the outer of steel pile casting structure
Mud is made in steel pile casting and is followed up outer steel pile casting using vibration hammer or drill hammer, when outer steel pile casting cannot follow up, using hanging
Steel pile casting in below vehicle；(4) after interior steel pile casting decentralization in place, steel pile casting while side in vibration hammer or drill hammer follow-up are utilized
Follow up side pulping, when interior steel pile casting cannot follow up, recycles vibration hammer or the outer steel pile casting of drill hammer follow-up, utilizes crane
Interior casing is above carried into certain distance, interior casing is suspended on outer casing inner wall using hook, transfers drill hammer operation, impact
After operation certain depth, release in casing and outer casing link up with, interior casing transfers to hole bottom, drill hammer job execution again,
Alternately pulping follow-up is achieved；(5) enter the cylinder bottom absolute altitude of fine sand layer, interior steel pile casting low when outer casing penetrates riprap layer
When can stablize pulping in position below tidal level and interior steel pile casting, stop double steel pile casting structure follow-ups, the stage crept into conventional,
Outer steel pile casting is pulled out after the completion of to be onstructed and cuts off deformed part recycling, and interior steel pile casting is embedded in stake top area as permanent casing
Domain.
In a kind of preferred embodiment of the present invention, outer steel pile casting follows up depth more than 5m every time, and interior steel pile casting is each
Follow-up bottom end depth is 1-2m.
In a kind of preferred embodiment of the present invention, using loop wheel machine installation steel pile casting structure and in climax in step (2)
The outer steel pile casting of decentralization after drilling 3m when position.
The invention also discloses such a double steel pile casting structures that can pass through riprap layer alternately operating simultaneously comprising outer
Steel pile casting is provided with the first reinforcement sleeve and first basil on the outer steel pile casting, is provided with along its diameter on the outer steel pile casting
To the first limit hole of arrangement, be coaxially arranged with interior steel pile casting in the outer steel pile casting, the outer diameter of the interior steel pile casting with it is described
The internal diameter of first reinforcement sleeve is corresponding, and the second reinforcement sleeve and second basil, the interior steel are provided on the interior steel pile casting
The second limit hole radially arranged is provided on casing, the internal diameter of first limit hole is interior with second limit hole
Diameter is corresponding.
In a kind of preferred embodiment of the present invention, the basil is provided on the end inner ring of the first reinforcement sleeve.
In a kind of preferred embodiment of the present invention, the basil is provided on the end inner ring of the second reinforcement sleeve.
In a kind of preferred embodiment of the present invention, the other end of the outer steel pile casting has been removably installed impact
Frame.
In a kind of preferred embodiment of the present invention, the shaped steel welding of the impact frame two groups of level crossings arrangement and
At.
In a kind of preferred embodiment of the present invention, it is provided on the outer steel pile casting for installing the impact frame
Mounting groove.
In a kind of preferred embodiment of the present invention, the first suspension hook is provided on the inner wall of the outer steel pile casting, it is described
The second suspension hook is provided on the outer wall of interior steel pile casting, first suspension hook is connected with second suspension hook by suspension cable.
The beneficial effects of the invention are as follows：The configuration of the present invention is simple, easy to install and use, the present invention is by devising a kind of profit
With the technique for replacing pulping pore-forming in double steel pile casting structures by the sea breakwater fill block stone throwing region, has effectively achieved and enclose sea and make
Drilled pile drilling construction on the breakwater pierre-perdue on ground, by designed in casing outside tradition an interior casing constitute it is double
Casing structure, which can realize the subsection hole-drilling molding of bored piles diameter, so as to avoid under single casing structure
It is heavy to be obstructed, can not sink again steel pile casting the case where；The present invention by separately designing limit hole on outer casing and interior casing, to
Realize the positioning and installation when double casing off working states, the present invention between double casings by being arranged suspension cable and suspension hook is effective
Ground improves efficiency when double casings work alternatively.
Description of the drawings
Fig. 1 is that one kind of the embodiment of the present invention passing through riprap layer drilled pile pore-forming for coastal
The structural schematic diagram of double casing structures of construction；
Fig. 2 is that one kind of the embodiment of the present invention passing through riprap layer drilled pile pore-forming for coastal
The sectional view of double casing structures of construction；
Fig. 3 is that the embodiment of the present invention is a kind of for the outer of coastal double casing structures across riprap layer drilled pile drilling construction
Casing front view；
Fig. 4 is that the embodiment of the present invention is a kind of for the outer of coastal double casing structures across riprap layer drilled pile drilling construction
Casing front view sectional view A-A；
Fig. 5 is that the embodiment of the present invention is a kind of for the outer of coastal double casing structures across riprap layer drilled pile drilling construction
Casing axis surveys view；
Fig. 6 is that the embodiment of the present invention is a kind of for the interior of coastal double casing structures across riprap layer drilled pile drilling construction
Casing front view；
Fig. 7 is that the embodiment of the present invention is a kind of for the interior of coastal double casing structures across riprap layer drilled pile drilling construction
Casing sectional view B-B；
Fig. 8 is that the embodiment of the present invention is a kind of for the interior of coastal double casing structures across riprap layer drilled pile drilling construction
Casing front view axis surveys view；
Fig. 9 is that the embodiment of the present invention is a kind of for the outstanding of coastal double casing structures across riprap layer drilled pile drilling construction
Rope, suspension hook cooperation schematic diagram；
Figure 10, which is that the embodiment of the present invention is a kind of, being used for coastal double casing structures across riprap layer drilled pile drilling construction
Impact frame schematic diagram；
Figure 11, which is that the embodiment of the present invention is a kind of, being used for coastal double casing structures across riprap layer drilled pile drilling construction
Work flow diagram；
In figure：The outer steel pile castings of 1-, first basils of 2-, 3- first reinforce sleeve, and steel pile casting in 4-, 5- second reinforces sleeve,
Second basils of 6-, the first limit holes of 7-, the second limit holes of 8-, the 9- basils, 10- impact framves, 11- suspension cables, the first suspension hooks of 1.1-,
The second suspension hooks of 4.1-.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that described herein, specific examples are only used to explain the present invention, not
For limiting the present invention.
Shown in description of the invention attached drawing, the invention discloses one kind to apply for coastal across riprap layer drilled pile pore-forming
Work technique utilizes a kind of double steel pile casting respective outer side edges drilled pile equipment breakwater by the sea that can pass through riprap layer alternately operating
Alternately pulping pore-forming in fill block stone throwing region, when drilling, the outer steel pile casting of double steel pile casting structures and interior steel pile casting alternating pulping with
Into.
The present invention specific steps include：(1) jackstone that seashore breakwater fill block stone throwing region is excavated using excavator is straight
Until flood slack position；(2) it utilizes loop wheel machine installation steel pile casting structure and is crept into high tide level, outside decentralization steel pile casting structure
Steel pile casting continues to creep into after ensureing its verticality；(3) mud is made in the outer steel pile casting of steel pile casting structure and using vibration hammer or
The outer steel pile casting of drill hammer follow-up utilizes steel pile casting in below crane when outer steel pile casting cannot follow up；(4) under interior steel pile casting
After being put into position, using vibration hammer or drill hammer follow up in the steel pile casting pulping in follow-up simultaneously, when interior steel pile casting cannot be with
Into when, recycle vibration hammer or drill hammer to follow up outer steel pile casting, or interior casing is above carried certain distance using crane, utilization
Interior casing is suspended on outer casing inner wall by hook, transfers drill hammer operation, after impacting operation certain depth, releases interior casing
It is linked up with outer casing, interior casing transfers to hole bottom, and alternately pulping follow-up is achieved in drill hammer job execution again；(5) when
Outer casing penetrates riprap layer and enters the cylinder bottom absolute altitude of fine sand layer, the interior steel pile casting energy in position and interior steel pile casting below low tide
When enough stablizing pulping, stops double steel pile casting structure follow-ups, crept into the stage into conventional, pull out outer steel pile casting after the completion of to be onstructed and cut
Except deformed part reuses, interior steel pile casting is embedded in stake top region as permanent casing.The outer steel pile casting depth that follows up every time is more than
5m, interior steel pile casting follow up bottom end depth as 1-2m every time.Using loop wheel machine installation steel pile casting structure and in high tide level in step (2)
Outer steel pile casting is transferred after creeping into 3m.
The a kind of of the present invention can pass through double steel pile casting structures of riprap layer alternately operating it is found that the utility model one kind is used for
Coastal double casing structures across riprap layer drilled pile drilling construction, a kind of double steel pile castings that can pass through riprap layer alternately operating
Structure, including outer steel pile casting 1 are provided with the first reinforcement sleeve 3 and first basil 2 on outer steel pile casting 1, are arranged on outer steel pile casting 1
Have the first limit hole 7 radially arranged, be coaxially arranged with interior steel pile casting 4 in outer steel pile casting 1, the outer diameter of interior steel pile casting 4 with
The internal diameter of first reinforcement sleeve 3 is corresponding, and the second reinforcement sleeve 5 and second basil 6, interior steel pile casting 4 are provided on interior steel pile casting 4
On be provided with the second limit hole 8 radially arranged, the internal diameter of the first limit hole 7 is corresponding with the internal diameter of the second limit hole 8.
It is provided with the basil 9 on the end inner ring of first reinforcement sleeve 3.It is provided with the basil 9 on the end inner ring of second reinforcement sleeve 5.Outside
The other end of steel pile casting 1 has been removably installed impact frame 10.The shaped steel of impact 5 two groups of level crossings of frame arrangement is welded.
The mounting groove for installing impact frame 5 is provided on outer steel pile casting 1.The first suspension hook 1.1 is provided on the inner wall of outer steel pile casting 1,
The second suspension hook 4.1 is provided on the outer wall of interior steel pile casting 4, the first suspension hook 1.1 and the second suspension hook 4.1 are connected by suspension cable 11.
When novel using the present invention, after surveying setting-out, drilling machine, which is located in, to be put well at stake position, is crept into about in high tide level
After 3m, outer casing is transferred, ensures its verticality, continued drilling and (there is the case where spillage in the process, clay need to be launched, mended
Water pulping) at the same the casing that follows up (by pile monkey promoted be higher than casing mouth 1-2m, utilize the gravity of pile monkey itself, realize casing follow-up
Or realize follow-up using DZ60 vibration hammers, and then weld spreading), when the follow-up of outer casing, which is obstructed, to follow up, then the interior shield that follows up
Cylinder, interior casing, which is subject to, is no more than outer casing, and method follows up with outer casing (because casing inevitably occurs in decentralization process in outer casing
The case where deformation, wiredrawn edge, ensures aperture etc. using interior casing), when interior casing can not follow up, utilize the outer shield of impact frame follow-up
Cylinder recycles crane to carry and climbs interior casing height about 1m, interior casing is fixed temporarily using interim padlock in outer casing until stopping
On, the percussive drill on interior casing makes drilling mud practice, and about 1m is crept into operation, releases the interim padlock of interior casing, and steel protects in lower section
Cylinder, drilling 1-2m follow up outer casing again, and drilling (because mud can not recycle during this, to use fishing inder pot borehole cleaning) is so anti-
Multiple, construction technology such as Fig. 1 shows, enters after fine sand layer that (casing bottom absolute altitude is less than most at this time until interior casing penetrates riprap layer
Low tide about 2-3m) spillage no longer occurs in the case of, then enter the conventional drilling stage, pull out outer casing after the completion of to be onstructed and cut
Except deformed part reuses, interior casing is embedded in stake top region as permanent casing.
More than it should be understood that, novel specific implementation mode only of the invention, but protection scope of the present invention is not
It is confined to this, any technical person familiar with the field can readily occur in the technical scope disclosed by the utility model
Change or replacement should be covered by the protection scope of the present invention.
Claims (10)
1. one kind passing through riprap layer drilled pile construction method for coastal, it is characterised in that：Jackstone can be passed through using a kind of
Double steel pile casting respective outer side edges drilled pile equipment of layer alternately operating replace pulping pore-forming in breakwater fill block stone throwing region by the sea,
When drilling, the outer steel pile casting of double steel pile casting structures and the alternating pulping follow-up of interior steel pile casting.
2. one kind according to claim 1 passes through riprap layer drilled pile construction method for coastal, it is characterised in that：
Specific steps include：
(1) jackstone in seashore breakwater fill block stone throwing region is excavated until flood slack position using excavator；
(2) it utilizes loop wheel machine installation steel pile casting structure and is crept into high tide level, transfer the outer steel pile casting of steel pile casting structure, ensure it
Continue to creep into after verticality；
(3) mud is made in the outer steel pile casting of steel pile casting structure and utilizes vibration hammer or the outer steel pile casting of drill hammer follow-up, when outer
When steel pile casting cannot follow up, steel pile casting in crane lower section is utilized；
(4) after the decentralization in place of interior steel pile casting, using vibration hammer or drill hammer follow up in the steel pile casting pulping in follow-up simultaneously,
When interior steel pile casting cannot follow up, vibration hammer or the outer steel pile casting of drill hammer follow-up are recycled, is above carried interior casing using crane
Interior casing is suspended on outer casing inner wall using hook, transfers drill hammer operation, impact operation certain depth by certain distance
Afterwards, casing is linked up with outer casing in releasing, and interior casing transfers to hole bottom, and alternating is achieved in drill hammer job execution again
Pulping follows up；
(5) enter the cylinder bottom absolute altitude of fine sand layer, the interior steel pile casting position and interior below low tide when outer casing penetrates riprap layer
When can stablize pulping in steel pile casting, stops double steel pile casting structure follow-ups, creep into the stage into conventional, pulled out after the completion of to be onstructed
Outer steel pile casting cuts off deformed part recycling, and interior steel pile casting is embedded in stake top region as permanent casing.
3. one kind according to claim 2 passes through riprap layer drilled pile construction method for coastal, it is characterised in that：
Outer steel pile casting follows up depth more than 5m every time, and interior steel pile casting follows up bottom end depth as 1-2m every time.
4. one kind according to claim 2 passes through riprap layer drilled pile construction method for coastal, it is characterised in that：
Outer steel pile casting is transferred after creeping into 3m using loop wheel machine installation steel pile casting structure in step (2) and in high tide level.
5. one kind according to claim 1 passes through riprap layer drilled pile construction method for coastal, it is characterised in that：
A kind of can include outer steel pile casting (1) across double steel pile casting structures of riprap layer alternately operating, be provided on the outer steel pile casting (1)
First reinforces sleeve (3) and first basil (2), it is characterised in that：It is provided on the outer steel pile casting (1) and radially to arrange
First limit hole (7), is coaxially arranged with interior steel pile casting (4) in the outer steel pile casting (1), the outer diameter of the interior steel pile casting (4) with
The internal diameter of the first reinforcement sleeve (3) is corresponding, and the second reinforcement sleeve (5) and second are provided on the interior steel pile casting (4)
The basil (6) is provided with the second limit hole (8) radially arranged, first limit hole (7) on the interior steel pile casting (4)
Internal diameter it is corresponding with the internal diameter of the second limit hole (8).
6. one kind according to claim 5 passes through riprap layer drilled pile construction method for coastal, it is characterised in that：
It is provided with the basil (9) on the end inner ring of the first reinforcement sleeve (3).
7. one kind according to claim 5 passes through riprap layer drilled pile construction method for coastal, it is characterised in that：
It is provided with the basil (9) on the end inner ring of the second reinforcement sleeve (5).
8. one kind according to claim 5 passes through riprap layer drilled pile construction method for coastal, it is characterised in that：
The other end of the outer steel pile casting (1) has been removably installed impact frame (10).
9. one kind according to claim 8 passes through riprap layer drilled pile construction method for coastal, it is characterised in that：
The shaped steel of impact (10) two groups of level crossings of frame arrangement is welded；It is provided on the outer steel pile casting (1) for installing
The mounting groove of the impact frame (10).
10. one kind according to claim 5 passes through riprap layer drilled pile construction method, feature to exist for coastal
In：It is provided with the first suspension hook (1.1) on the inner wall of the outer steel pile casting (1), is provided on the outer wall of the interior steel pile casting (4)
Two suspension hooks (4.1), first suspension hook (1.1) and second suspension hook (4.1) are connected by suspension cable (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810194480.8A CN108442362B (en) | 2018-03-09 | 2018-03-09 | Hole forming construction process for coastal drilled pile penetrating riprap layer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810194480.8A CN108442362B (en) | 2018-03-09 | 2018-03-09 | Hole forming construction process for coastal drilled pile penetrating riprap layer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108442362A true CN108442362A (en) | 2018-08-24 |
| CN108442362B CN108442362B (en) | 2020-07-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810194480.8A Active CN108442362B (en) | 2018-03-09 | 2018-03-09 | Hole forming construction process for coastal drilled pile penetrating riprap layer |
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| Country | Link |
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| CN (1) | CN108442362B (en) |
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| CN109208594A (en) * | 2018-08-29 | 2019-01-15 | 中铁大桥局集团有限公司 | Processing method, steel pile casting structure and the drilled pile of sinking steel protecting canister chance boulder |
| CN109723059A (en) * | 2018-11-16 | 2019-05-07 | 上海建工二建集团有限公司 | A kind of improved full casing and its application method for sand-gravel foundation construction |
| CN111926808A (en) * | 2020-07-31 | 2020-11-13 | 中国建筑土木建设有限公司 | Detachable casing structure of deepwater pile foundation and construction method thereof |
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| CN111926808A (en) * | 2020-07-31 | 2020-11-13 | 中国建筑土木建设有限公司 | Detachable casing structure of deepwater pile foundation and construction method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108442362B (en) | 2020-07-07 |
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