CN110273417A - A kind of architectural engineering cast-in-place pile construction method - Google Patents
A kind of architectural engineering cast-in-place pile construction method Download PDFInfo
- Publication number
- CN110273417A CN110273417A CN201910607333.3A CN201910607333A CN110273417A CN 110273417 A CN110273417 A CN 110273417A CN 201910607333 A CN201910607333 A CN 201910607333A CN 110273417 A CN110273417 A CN 110273417A
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- hole
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- concrete pile
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- 238000010276 construction Methods 0.000 title claims abstract description 36
- 239000011440 grout Substances 0.000 claims abstract description 10
- 230000010412 perfusion Effects 0.000 claims abstract description 7
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 4
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 4
- 230000002787 reinforcement Effects 0.000 claims abstract description 4
- 239000010959 steel Substances 0.000 claims abstract description 4
- 239000011148 porous material Substances 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 238000005553 drilling Methods 0.000 description 12
- 238000011065 in-situ storage Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 9
- 239000011435 rock Substances 0.000 description 7
- 239000013049 sediment Substances 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000037452 priming Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B4/00—Drives for drilling, used in the borehole
- E21B4/06—Down-hole impacting means, e.g. hammers
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Structural Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Geochemistry & Mineralogy (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Piles And Underground Anchors (AREA)
Abstract
A kind of architectural engineering cast-in-place pile construction method includes the following steps: that (1) determines the depth of bored concrete pile；(2) in the region that bored concrete pile needs pore-forming, first positioning plate with multiple first through hole is set；(3) construction pore-creating is carried out in the position of first through hole by down-hole hammer；(4) the first positioning plate is removed, pore-forming is carried out by jump bit, the first positioning plate is set to the bottom of the impact opening of jump bit formation by (5), carries out construction pore-creating in the position of first through hole by down-hole hammer；(6) in the region that bored concrete pile needs pore-forming, second positioning plate with multiple second through-holes is set；(7) construction pore-creating is carried out in the position of the second through-hole by down-hole hammer；(8) steel reinforcement cage is vertically put into the hole for grout pile of completion, to hole for grout pile concrete perfusion, forms bored concrete pile.
Description
Technical field
The present invention relates to a kind of bored concrete pile boring methods, more particularly, to the drilling of architectural engineering bored concrete pile and construction party
Method.
Background technique
Bored concrete pile has many advantages, such as bearing capacity is high, resistance to deformation rigidity is big, wide adaptation range, large-diameter and rock-socketed filling piles
It is high-speed railway, highway, the main foundation form for passing through mountain area ground and mountain city industrial civil building.Embedding rock perfusion
The construction of stake has a construction technologies such as impact holing, drills for stone, rotary drilling at present, but the construction efficiency of these construction technologies
Low, cost is big, long in time limit, is difficult meet the needs of large-scale basis construction.
Impact holing method can be used in the construction of bigbore bored concrete pile, but its efficiency is lower, while stake easy to form
Bottom sediment influences a bottom bearing capacity and embedding rock effect.The Breaking Rock Mechanism of down-hole hammer is impact detritus, passes through high pressure air drives
Impactor generates axial impact movement, drives tup detritus by impactor.The rotary motion of drill bit is driven by the drilling machine on ground, together
When pressure-air will also as scouring media by rock slag conveying return to aperture.Compared to traditional pouring pile hole method, down-hole hammer
Drilling efficiency is high, hole quality is good and environment-protecting clean.Current minor diameter down-hole hammer pore-forming technique is mature, however big
Diameter down-hole hammer is because power used is huge, and energy consumption is big, and mechanical equipment is also immature, and engineer application is few.
In order to which down-hole hammer to be used for the drilling construction of large-section in-situ concrete pile, proposed in CN107143281B in the prior art
After drilling region successively carries out small-bore and medium caliber down-hole hammer drilling, interconnected large-section in-situ concrete pile hole is formed
The scheme in region.But finally formed priming concrete pile hole is only to be similar to large-section in-situ concrete pile in the invention, in the region that drills still
In the presence of not at bore region.Technical solution in the prior art further includes by down-hole hammer in the part area of large-section in-situ concrete pile bore region
After domain forms stake holes, then large-section in-situ concrete pile bore region formed by entire priming concrete pile hole region by impact holing, but the party
Method still has pile bottom sediment in impact holing.
The present invention proposes a kind of improved architectural engineering bored concrete pile drilling and construction method for the prior art, being capable of shape
At complete large-section in-situ concrete pile hole, at the same drilling construction finish in there is no pile bottom sediments.
Summary of the invention
As one aspect of the present invention, a kind of architectural engineering cast-in-place pile construction method is provided, includes the following steps: (1)
Determine the depth H of bored concrete pile；(2) in the region that bored concrete pile needs pore-forming, first positioning with multiple first through hole is set
Plate；(3) construction pore-creating is carried out in the position of first through hole by down-hole hammer, the depth of hole is about H3/4；(4) first is removed
Positioning plate carries out pore-forming in the region for bored concrete pile preexisting hole by jump bit, and depth of pore forming is about H/2；(5) by first
Positioning plate is set to the bottom of the impact opening of jump bit formation, carries out construction pore-creating in the position of first through hole by down-hole hammer,
The depth of hole is the depth H of bored concrete pile；(6) the first positioning plate is removed, in the region that bored concrete pile needs pore-forming, setting tool
There is the second positioning plate of multiple second through-holes；(7) construction pore-creating is carried out in the position of the second through-hole by down-hole hammer, hole
Depth is the depth H of bored concrete pile, completes the preparation of hole for grout pile；(8) steel reinforcement cage is vertically put into the hole for grout pile of completion,
To hole for grout pile concrete perfusion, bored concrete pile is formed.
Further, the bored concrete pile is large-section in-situ concrete pile.
Further, the diameter of the large-section in-situ concrete pile is greater than 600mm.
Further, the diameter of the first through hole is about 250mm, and second through-hole diameter is about 100mm.
Further, the gross area of first through hole is greater than the region area that bored concrete pile needs pore-forming in the step (3)
2/3。
Further, the diameter of second through-hole is less than the diameter of first through hole.
Further, second through-hole is for being connected to different first through hole.
Further, the position of first through hole and the position phase of first through hole in the step (3) in the step (5)
Together.
Further, in the step (4), sediment enters down-hole hammer in first through hole hole, the step (5),
Rock particles discharge when down-hole hammer pore-forming by sediment and pore-forming.
Detailed description of the invention
Fig. 1 is the step schematic diagram of the architectural engineering bored concrete pile drilling construction process of the embodiment of the present invention.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and for explaining only the invention, and is not considered as limiting the invention.Moreover, answering
Work as understanding, the feature not mutual exclusion of various embodiments described herein, and can be combined and transformation mistake various
Exist in journey.
The architectural engineering cast-in-place pile construction method of the embodiment of the present invention includes the following steps: (1) according to construction referring to Fig. 1
The requirement of engineering determines the construction depth H of large-section in-situ concrete pile, and wherein large-section in-situ concrete pile is the filling that diameter is more than 600mm
Stake is infused, can achieve 800mm or bigger.(2) mark large-section in-situ concrete pile at bore region, setting has multiple first through hole
The first positioning plate, be wherein mutual disconnected region between first through hole, may be uniformly distributed in the first positioning plate, diameter
For 200 ~ 300mm, preferably can with and be set as 250mm；The gross area of first through hole can be set to be greater than at the 2/ of bore region
3.(3) construction pore-creating is carried out in the position of first through hole by down-hole hammer, the depth of hole is about H3/4, down-hole hammer drilling
Both fragmented rock powder was returned out of hole simultaneously, drilling efficiency is high.(4) after down-hole hammer carries out first time pore-forming, the is removed
One positioning plate is carrying out pore-forming for entire pouring pile hole region by jump bit, and depth of pore forming is about H/2, to make
Pore-forming area top is not present not at bore region, and the sediment of impact holing process enters down-hole hammer in first through hole hole.
(5) by the first positioning plate be set to jump bit formation impact opening bottom, wherein the first through hole position of the first positioning plate with
First through hole position is identical in step (1), carries out construction pore-creating in the band of position of first through hole by down-hole hammer, hole
Depth is the depth H of bored concrete pile；Sediment and the rock particles discharge when pore-forming when down-hole hammer drills.(6) the first positioning is removed
Second positioning plate with multiple second through-holes is arranged in the region that bored concrete pile needs pore-forming in plate；Wherein the second through-hole is straight
Diameter is 80 ~ 120mm, is preferably arranged to 100mm；Second through-hole be set to position between first through hole and first through hole at
Position between the boundary of hole, for being connected to different first through hole.The gross area that first through hole and the second through-hole can be set is big
In at the 3/4 of bore region.(7) construction pore-creating is carried out in the band of position of the second through-hole by down-hole hammer, the depth of hole is
The depth H of bored concrete pile completes the preparation of hole for grout pile.(8) steel reinforcement cage is vertically put into the hole for grout pile of completion, to perfusion
Stake stake holes concrete perfusion, forms bored concrete pile.
The above is only the preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-described embodiment,
All technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.For the ordinary skill people of the art
For member, several improvements and modifications without departing from the principles of the present invention should be regarded as falling into protection scope of the present invention.
Claims (6)
1. a kind of architectural engineering cast-in-place pile construction method includes the following steps: that (1) determines the depth H of bored concrete pile；(2) it is being perfused
Stake needs in the region of pore-forming, and first positioning plate with multiple first through hole is arranged；(3) by down-hole hammer in first through hole
Position carries out construction pore-creating, and the depth of hole is about H3/4；(4) the first positioning plate is removed, by jump bit for perfusion
The region of stake preexisting hole carries out pore-forming, and depth of pore forming is about H/2；(5) the first positioning plate is set to rushing for jump bit formation
The bottom for hitting hole carries out construction pore-creating in the position of first through hole by down-hole hammer, and the depth of hole is the depth of bored concrete pile
H；(6) the first positioning plate is removed, in the region that bored concrete pile needs pore-forming, second positioning with multiple second through-holes is set
Plate；(7) construction pore-creating is carried out in the position of the second through-hole by down-hole hammer, the depth of hole is the depth H of bored concrete pile, is completed
The preparation of hole for grout pile；(8) steel reinforcement cage is vertically put into the hole for grout pile of completion, to hole for grout pile concrete perfusion,
Form bored concrete pile.
2. architectural engineering cast-in-place pile construction method according to claim 1, it is characterised in that: the diameter of second through-hole
Less than the diameter of first through hole.
3. architectural engineering cast-in-place pile construction method according to claim 2, it is characterised in that: first in the step (3)
The gross area of through-hole is greater than 2/3 that bored concrete pile needs the region area of pore-forming.
4. architectural engineering cast-in-place pile construction method according to claim 3, it is characterised in that: the diameter of the first through hole
To be about 250mm, second through-hole diameter is about 100mm.
5. architectural engineering cast-in-place pile construction method according to claim 4, it is characterised in that: second through-hole is for connecting
Lead to different first through hole.
6. architectural engineering cast-in-place pile construction method according to claim 5, it is characterised in that: first in the step (5)
The position of through-hole is identical as the position of first through hole in the step (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910607333.3A CN110273417B (en) | 2019-07-07 | 2019-07-07 | Construction method of cast-in-place pile for constructional engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910607333.3A CN110273417B (en) | 2019-07-07 | 2019-07-07 | Construction method of cast-in-place pile for constructional engineering |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110273417A true CN110273417A (en) | 2019-09-24 |
| CN110273417B CN110273417B (en) | 2021-12-28 |
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ID=67964145
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910607333.3A Active CN110273417B (en) | 2019-07-07 | 2019-07-07 | Construction method of cast-in-place pile for constructional engineering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110273417B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112796690A (en) * | 2021-01-26 | 2021-05-14 | 中铁大桥局集团第六工程有限公司 | Mud anti-splash device for punching cast-in-place pile construction and construction method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19950599A1 (en) * | 1999-09-17 | 2001-03-22 | Klemm Bohrtechnik Zweigniederl | Drill for making holes for piles has drilling screw with cutter bit at end, hammer drill being mounted in hollow central tube of drilling screw which has air cushioning system to protect it against effect of drilling screw |
| CN103277037A (en) * | 2013-07-02 | 2013-09-04 | 二十二冶集团天津建设有限公司 | Pipe pile leading-hole construction method under boulder cluster geological condition |
| CN104264662A (en) * | 2014-10-17 | 2015-01-07 | 中亿丰建设集团股份有限公司 | Construction method for deeply embedding hard rock secant pile in soil layer being rich in water |
| CN107143281A (en) * | 2017-05-18 | 2017-09-08 | 浙江省地矿建设有限公司 | The method of construction bored concrete pile |
| CN107700479A (en) * | 2017-08-25 | 2018-02-16 | 中铁上海工程局集团第五工程有限公司 | A kind of construction method of large diameter drill hole pile |
| CN208220631U (en) * | 2018-04-12 | 2018-12-11 | 深圳市基础工程有限公司 | Improve the pretreatment hole structure of rock stratum impact holing work efficiency |
-
2019
- 2019-07-07 CN CN201910607333.3A patent/CN110273417B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19950599A1 (en) * | 1999-09-17 | 2001-03-22 | Klemm Bohrtechnik Zweigniederl | Drill for making holes for piles has drilling screw with cutter bit at end, hammer drill being mounted in hollow central tube of drilling screw which has air cushioning system to protect it against effect of drilling screw |
| CN103277037A (en) * | 2013-07-02 | 2013-09-04 | 二十二冶集团天津建设有限公司 | Pipe pile leading-hole construction method under boulder cluster geological condition |
| CN104264662A (en) * | 2014-10-17 | 2015-01-07 | 中亿丰建设集团股份有限公司 | Construction method for deeply embedding hard rock secant pile in soil layer being rich in water |
| CN107143281A (en) * | 2017-05-18 | 2017-09-08 | 浙江省地矿建设有限公司 | The method of construction bored concrete pile |
| CN107700479A (en) * | 2017-08-25 | 2018-02-16 | 中铁上海工程局集团第五工程有限公司 | A kind of construction method of large diameter drill hole pile |
| CN208220631U (en) * | 2018-04-12 | 2018-12-11 | 深圳市基础工程有限公司 | Improve the pretreatment hole structure of rock stratum impact holing work efficiency |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112796690A (en) * | 2021-01-26 | 2021-05-14 | 中铁大桥局集团第六工程有限公司 | Mud anti-splash device for punching cast-in-place pile construction and construction method |
| CN112796690B (en) * | 2021-01-26 | 2024-06-11 | 中铁大桥局集团第六工程有限公司 | Mud splash-proof device for construction of punched bored pile and construction method |
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| Publication number | Publication date |
|---|---|
| CN110273417B (en) | 2021-12-28 |
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Effective date of registration: 20211209 Address after: 510670 building 438, 442 and 443, No. 8, lanyue Road, high tech Industrial Development Zone, Guangzhou, Guangdong Applicant after: Guangzhou Yuejia Engineering Technology Co.,Ltd. Address before: No. 79, Gao Zhuang Qiao Road, Xingtai, Hebei Province Applicant before: Han Shaopeng |
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