CN108560545A - The construction method of the anti-collapse hole of rotary digging stake and anti-collapse aperture apparatus - Google Patents
The construction method of the anti-collapse hole of rotary digging stake and anti-collapse aperture apparatus Download PDFInfo
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- CN108560545A CN108560545A CN201810505147.4A CN201810505147A CN108560545A CN 108560545 A CN108560545 A CN 108560545A CN 201810505147 A CN201810505147 A CN 201810505147A CN 108560545 A CN108560545 A CN 108560545A
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- Prior art keywords
- rotary digging
- cylinder
- digging stake
- collapse hole
- stake
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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
- E02D5/66—Mould-pipes or other moulds
- E02D5/68—Mould-pipes or other moulds for making bulkheads or elements thereof
-
- 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
- E02D17/06—Foundation trenches ditches or narrow shafts
- E02D17/08—Bordering or stiffening the sides of ditches trenches or narrow shafts for foundations
-
- 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
- E02D5/74—Means for anchoring structural elements or bulkheads
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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)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The present invention relates to a kind of construction method of anti-collapse hole of rotary digging stake and anti-collapse aperture apparatus, include the following steps in setting position construction rotary digging stake;When rotary digging pile driving construction to the easy region that collapse hole occurs, a setpoint distance is excavated to the easy region that collapse hole occurs;The cylinder that one outer diameter is less than rotary digging stake bore is provided;Cylinder is put into rotary digging stake, and the bottom of cylinder is placed in the region that collapse hole easily occurs, and an annular gap is formed between the periphery and the side wall of rotary digging stake of cylinder;Into annular gap, casting concrete is in one section of dado structure of formation on the side wall of rotary digging stake;Cylinder is taken out out of rotary digging stake, continues to excavate downwards rotary digging stake to a setpoint distance, cylinder is reentered into rotary digging stake, and pour and to form one section of new dado structure, repeat the step until rotary digging stake by the easy region that collapse hole occurs;And rotary digging stake is excavated until rotary digging pile driving construction is completed.
Description
Technical field
The present invention relates to the realm of building construction, the construction method of espespecially a kind of anti-collapse hole of rotary digging stake and anti-collapse aperture apparatus.
Background technology
Rotary digging stake generally refers to the pile-type constructed by rotary drilling rig, full name rotary digging drilling hole bored concrete pile, abbreviation rotary digging in engineering
Stake.It is of less demanding to worker's number due to the use of mechanical work, prodigious labour cost can be saved.After Spiral digging machine pore-forming, in height
Under water level water-rich sand layer geological conditions, it is low to be easy to cause one-tenth porosity, the problems such as undergauge, slag inclusion, pile bottom sediment is blocked up.Water-rich sand layer
For sand grain content up to 30% or more, void ratio is big, and water content is big, has the characteristics that mobility is big, bearing capacity is small, self-stability is poor.It is rich
Water sand layer is easy to settle due to generating land movement because excavating.
When rotary digging stake collapse hole, traditional way is such way waste for completely backfilling concrete backfill to collapse hole position
Concrete and construction efficiency is low.
Invention content
It is an object of the invention to overcome the deficiencies of existing technologies, the construction method of a kind of anti-collapse hole of rotary digging stake and anti-is provided
Collapse hole device solves the problems, such as to waste concrete in the prior art and construction efficiency is low.
Realizing the technical solution of above-mentioned purpose is:
The present invention provides a kind of construction method of the anti-collapse hole of rotary digging stake, includes the following steps:
In setting position construction rotary digging stake;
When the rotary digging pile driving construction to the easy region that collapse hole occurs, a setting is excavated to the easy region that collapse hole occurs
Distance;
The cylinder that one outer diameter is less than the rotary digging stake bore is provided;
The cylinder is put into the rotary digging stake, and the bottom of the cylinder is placed in the easy region that collapse hole occurs
It is interior, it is formed with an annular gap between the periphery of the cylinder and the side wall of the rotary digging stake;
Into the annular gap, casting concrete is in one section of dado structure of formation on the side wall of the rotary digging stake;
The cylinder is taken out out of described rotary digging stake, continuation excavates downwards the rotary digging stake to a setpoint distance, by institute
It states cylinder to be reentered into the rotary digging stake, and pours and to form one section of new dado structure, repeat the step until the rotary digging
Stake passes through the easy region that collapse hole occurs;And
The rotary digging stake is excavated until the rotary digging pile driving construction is completed.
The construction method of the anti-collapse hole of rotary digging stake of the present invention further improvement lies in that, the cylinder is inserted in the rotary digging
During in stake, by the center overlapping of axles of the central shaft of the cylinder and the rotary digging stake.
The construction method of the anti-collapse hole of rotary digging stake of the present invention further improvement lies in that, the cross of top to the bottom of the cylinder
It is gradually reduced to sectional area.
The construction method of the anti-collapse hole of rotary digging stake of the present invention further improvement lies in that, poured in an annular gap mixed
During solidifying soil, casting concrete to the top of the cylinder.
The construction method of the anti-collapse hole of rotary digging stake of the present invention further improvement lies in that, the top of the cylinder is equipped with sealing
Lid.
The construction method of the anti-collapse hole of rotary digging stake of the present invention further improvement lies in that, the sealing cover be pyramid type lid.
The construction method of the anti-collapse hole of rotary digging stake of the present invention further improvement lies in that, the top of the cylinder is equipped with connection
Ring.
The present invention also provides a kind of anti-collapse aperture apparatus of the construction method for the anti-collapse hole of rotary digging stake, including:
Outer diameter is less than rotary digging stake bore and for being inserted in the rotary digging stake and positioned at the cylinder in the region that collapse hole easily occurs
Body stays between the cylinder and the side wall of the rotary digging stake and sets an annular gap;And
Pour one section of dado structure in an annular gap.
The present invention for the anti-collapse hole of rotary digging stake construction method anti-collapse aperture apparatus further improvement lies in that, the cylinder
Top be equipped with sealing cover.
The present invention for the anti-collapse hole of rotary digging stake construction method anti-collapse aperture apparatus further improvement lies in that, the cylinder
Top be equipped with connection ring.
The construction method of the anti-collapse hole of rotary digging stake of the present invention and the advantageous effect of anti-collapse aperture apparatus:
Cylinder by being positioned in rotary digging stake and being placed in the region that collapse hole easily occurs by the present invention, using concreting
Stayed between rotary digging stake and cylinder in the annular gap set, formed one section of dado structure to prevent collapse hole, i.e., in rotary digging stake four
Monday encloses a small range and forms concrete guard wall structure, prevents collapse hole, cylinder from being occupied during casting concrete certain
It has saved resource the problem of avoiding entire anti-collapse hole all casting concretes and form waste and has improved construction efficiency in space.
Dado structure can be taken off cylinder after being formed, continue to excavate rotary digging stake downwards, cylinder can reuse, easy for installation.
Description of the drawings
Fig. 1 is the sectional view of the Construction State of the construction method of the anti-collapse hole of rotary digging stake of the present invention.
Fig. 2 is the vertical view of Fig. 1.
Fig. 3 is the schematic diagram of the anti-collapse aperture apparatus of the present invention.
Specific implementation mode
The invention will be further described in the following with reference to the drawings and specific embodiments.
Refering to fig. 1, it is shown that the sectional view of the Construction State of the construction method of the anti-collapse hole of rotary digging stake of the present invention.Fig. 2 is Fig. 1
Vertical view.As depicted in figs. 1 and 2, the construction method of the anti-collapse hole of rotary digging stake of the present invention includes the following steps:
In setting position construction rotary digging stake 10;
When the construction of rotary digging stake 10 to the easy region that collapse hole occurs, a setpoint distance is excavated to the easy region that collapse hole occurs;
The cylinder 20 that one outer diameter is less than 10 bore of rotary digging stake is provided;
Cylinder 20 is put into rotary digging stake 10, and the bottom of cylinder 20 is placed in the region that collapse hole easily occurs, cylinder 20
An annular gap is formed between periphery and the side wall of rotary digging stake 10;
Into annular gap, casting concrete is in one section of dado structure of formation on the side wall of rotary digging stake 10;
Cylinder 20 is taken out out of rotary digging stake 10, continues to excavate 10 to one setpoint distance of rotary digging stake downwards, by 20 weight of cylinder
Newly be put into rotary digging stake 10, and pour and to form one section of new dado structure, repeat the step until rotary digging stake 10 by easy hair
The region of raw collapse hole;
Rotary digging stake 10 is excavated until the construction of rotary digging stake 10 is completed.
The present invention is poured by cylinder being positioned in rotary digging stake and is placed in the region that collapse hole easily occurs using concrete
It builds in the annular gap stayed and set between rotary digging stake and cylinder, forms one section of dado structure to prevent collapse hole, i.e., in rotary digging stake
Four Mondays enclosed a small range and form concrete guard wall structure, prevented collapse hole, cylinder from being occupied during casting concrete centainly
Space saved resource the problem of avoiding entire anti-collapse hole all casting concretes and form waste and improved construction effect
Rate.Dado structure can be taken off cylinder after being formed, continue to excavate rotary digging stake downwards, cylinder can reuse, easy for installation.
One better embodiment of the construction method as the anti-collapse hole of rotary digging stake of the present invention easily occurs in the present embodiment
Mainly there are water-rich sand layer geologic province and backfill region in the region of collapse hole.The sand grain content of water-rich sand layer is up to 30% or more, hole
For gap than big, water content is big, has the characteristics that mobility is big, bearing capacity is small, self-stability is poor.Water-rich sand layer is easy to generate soil because excavating
Position is moved and is settled.Backfill refers in engineering construction, after completing the below grounds engineerings such as basis, then returns the soil tamped,
Therefore equally also has the characteristics that the problems such as bearing capacity is small, self-stability is poor, is easy to happen collapse hole.Easily occur collapse hole region not with
This is limited, and further includes the soil layer of other self-stabilities difference.
One better embodiment of the construction method as the anti-collapse hole of rotary digging stake of the present invention, rotary digging stake is inserted in by cylinder 20
During in 10, by the center overlapping of axles of the central shaft of cylinder 20 and rotary digging stake 10, the side of such cylinder 20 and rotary digging stake 10
The even width set everywhere in an annular gap is stayed between wall, prevent the uneven thickness for subsequently pouring the dado structure 30 to be formed and
Cause the effect of anti-collapse hole bad.
Specifically, cylinder 20 is steadily hung to the surface of rotary digging stake 10, cylinder 20 is slowly put into the need of rotary digging stake 10
The position to be backfilled, and the distance between the side wall of cylinder 20 and rotary digging stake 10 is strictly controlled, avoid the decline in cylinder 20
The problem of cylinder 20 collides the side wall of rotary digging stake 10 and damages rotary digging stake 10 occurs in journey.
One better embodiment of the construction method as the anti-collapse hole of rotary digging stake of the present invention, top to the bottom of cylinder 20
Lateral cross-sectional area is gradually reduced, and cylinder is subsequently lifted to taking-up upwards to facilitate.Cylinder 20 is inserted in the mistake in rotary digging stake 10
Cheng Zhong, the top of cylinder 20 are less than the top of rotary digging stake 10.The length of cylinder 20 is less than the depth of rotary digging stake 10, makes cylinder in this way
The material cost of body 20 is few, is moved easily and installs cylinder 20.
One better embodiment of the construction method as the anti-collapse hole of rotary digging stake of the present invention, pours mixed in an annular gap
During solidifying soil, casting concrete to the top of cylinder 20.Pour to form one section of dado structure in the bottom of rotary digging stake 10
30, it is supported with being reinforced to the bottom of rotary digging stake 10, prevents collapse hole.The depth of the length and dado structure 30 of certain specific cylinder 20
Degree is depending on the needs of practical rotary digging stake 10.
One better embodiment of the construction method as the anti-collapse hole of rotary digging stake of the present invention, refering to Fig. 3, it is shown that the present invention
The schematic diagram of anti-collapse aperture apparatus.In conjunction with shown in Fig. 1 to Fig. 3, the top of cylinder 20 is equipped with sealing cover 21.In the present embodiment, close
Capping 21 is pyramid type lid.
The top of cylinder 20 is equipped with connection ring 22, for being connected with tower crane, for lifting and moving cylinder 20.In this implementation
In example, connection ring 22 has 4, and 4 connection rings 22 are symmetrical arranged, and ensures the balance of cylinder 20 during facilitating lifting cylinder 20
Property.
Specifically, it is using steel wire rope, tower crane that cylinder 20 is steady after manufactured cylinder 20 is transported to scene by lorry
It slings, when wire rope handling should determine that the center of gravity of cylinder 20, lifting rope are hitched securely, then by 20 slow raising of cylinder, it is necessary to keep cylinder 20
Balance.Recycle tower crane that cylinder 20 is steadily hung to the surface of rotary digging stake 10, cylinder 20, which is slowly put into rotary digging stake 10, needs
Position is backfilled, and strictly control cylinder 20 avoids the generation cylinder 20 during declining from touching at a distance from the side wall of rotary digging stake 10
The problem of hitting rotary digging stake 10.
After the completion of cylinder 20 is placed, the casting concrete between cylinder 20 and rotary digging stake 10 waits for concrete initial set, reaches shape
After effect at anti-collapse hole, cylinder 20 is slowly sling, then puts to designated position and waits reusing.
The present invention also provides a kind of anti-collapse aperture apparatus of the construction method for the anti-collapse hole of rotary digging stake, including outer diameter to be less than
10 bore of rotary digging stake and the cylinder 20 for being inserted in rotary digging stake 10 and being located at the region that collapse hole easily occurs, cylinder 20 and rotary digging
It is stayed between the side wall of stake 10 and sets an annular gap;And pour one section of dado structure 30 in an annular gap.
Cylinder 20 is made using steel plate, steel plate thickness 3.6mm.Top surrounding draw ring is processed into 20mm thickness radiuses 100mm
Semicircle shape connection ring 22, the link as steel wire rope.According to the size of live rotary digging stake, process in advance various sizes of
Cylinder 20.
The top of one better embodiment of the construction method as the anti-collapse hole of rotary digging stake of the present invention, cylinder 20 is equipped with sealing
Lid 21.The top of cylinder 20 is equipped with connection ring 22.
The construction method of the anti-collapse hole of rotary digging stake of the present invention and having the beneficial effect that for anti-collapse aperture apparatus:
The present invention is poured by cylinder being positioned in rotary digging stake and is placed in the region that collapse hole easily occurs using concrete
It builds in the annular gap stayed and set between rotary digging stake and cylinder, forms one section of dado structure to prevent collapse hole, i.e., in rotary digging stake
Four Mondays enclosed a small range and form concrete guard wall structure, prevented collapse hole, cylinder from being occupied during casting concrete centainly
Space saved resource the problem of avoiding entire anti-collapse hole all casting concretes and form waste and improved construction effect
Rate.Dado structure can be taken off cylinder after being formed, continue to excavate rotary digging stake downwards, cylinder can reuse, easy for installation.
The present invention has been described in detail with reference to the accompanying drawings, those skilled in the art can be according to upper
It states and bright many variations example is made to the present invention.Thus, certain details in embodiment should not constitute limitation of the invention, this
Invention will be using the range that the appended claims define as protection scope of the present invention.
Claims (10)
1. a kind of construction method of the anti-collapse hole of rotary digging stake, which is characterized in that include the following steps:
In setting position construction rotary digging stake;
When the rotary digging pile driving construction to the easy region that collapse hole occurs, to the easy region that collapse hole occurs excavate a setting away from
From;
The cylinder that one outer diameter is less than the rotary digging stake bore is provided;
The cylinder is put into the rotary digging stake, and the bottom of the cylinder is placed in the easy region that collapse hole occurs, institute
It states and is formed with an annular gap between the periphery of cylinder and the side wall of the rotary digging stake;
Into the annular gap, casting concrete is in one section of dado structure of formation on the side wall of the rotary digging stake;
The cylinder is taken out out of described rotary digging stake, continuation excavates downwards the rotary digging stake to a setpoint distance, by the cylinder
Body is reentered into the rotary digging stake, and is poured and to be formed one section of new dado structure, repeats the step until the rotary digging stake is logical
Cross the easy region that collapse hole occurs;And
The rotary digging stake is excavated until the rotary digging pile driving construction is completed.
2. the construction method of the anti-collapse hole of rotary digging stake as described in claim 1, which is characterized in that be inserted in the cylinder described
During in rotary digging stake, by the center overlapping of axles of the central shaft of the cylinder and the rotary digging stake.
3. the construction method of the anti-collapse hole of rotary digging stake as described in claim 1, which is characterized in that the top of the cylinder to bottom
Lateral cross-sectional area be gradually reduced.
4. the construction method of the anti-collapse hole of rotary digging stake as described in claim 1, which is characterized in that poured in an annular gap
During building concrete, casting concrete to the top of the cylinder.
5. the construction method of the anti-collapse hole of rotary digging stake as described in claim 1, which is characterized in that the top of the cylinder is equipped with close
Capping.
6. the construction method of the anti-collapse hole of rotary digging stake as claimed in claim 5, which is characterized in that the sealing cover is pyramid type
Lid.
7. the construction method of the anti-collapse hole of rotary digging stake as described in claim 1, which is characterized in that the top of the cylinder, which is equipped with, to be connected
Connect ring.
8. a kind of anti-collapse aperture apparatus of construction method for the anti-collapse hole of rotary digging stake as described in claim 1, which is characterized in that
Including:
Outer diameter is less than rotary digging stake bore and for being inserted in the rotary digging stake and positioned at the cylinder in the region that collapse hole easily occurs, institute
It states to stay between cylinder and the side wall of the rotary digging stake and sets an annular gap;And
Pour one section of dado structure in an annular gap.
9. the anti-collapse aperture apparatus for the construction method of the anti-collapse hole of rotary digging stake as claimed in claim 8, which is characterized in that described
The top of cylinder is equipped with sealing cover.
10. the anti-collapse aperture apparatus for the construction method of the anti-collapse hole of rotary digging stake as claimed in claim 8, which is characterized in that institute
The top for stating cylinder is equipped with connection ring.
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CN201810505147.4A CN108560545B (en) | 2018-05-24 | 2018-05-24 | Construction method for preventing hole collapse of rotary digging pile and hole collapse preventing device |
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CN201810505147.4A CN108560545B (en) | 2018-05-24 | 2018-05-24 | Construction method for preventing hole collapse of rotary digging pile and hole collapse preventing device |
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CN108560545B CN108560545B (en) | 2020-10-27 |
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Cited By (4)
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CN109914415A (en) * | 2019-03-31 | 2019-06-21 | 吴凤明 | A kind of embedded slurry spreading device of the electric pole based on the multidirectional expansion of spiral |
CN110700247A (en) * | 2019-09-27 | 2020-01-17 | 中冶交通建设集团有限公司 | Construction method for cast-in-place pile to penetrate through quicksand layer |
CN111395332A (en) * | 2020-03-30 | 2020-07-10 | 胡美玲 | Rotary excavating and anchor cable construction method for hard rock stratum |
CN115341533A (en) * | 2022-08-30 | 2022-11-15 | 中铁九桥工程有限公司 | Drilling construction method for cast-in-place pile in easily collapsed stratum |
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109914415A (en) * | 2019-03-31 | 2019-06-21 | 吴凤明 | A kind of embedded slurry spreading device of the electric pole based on the multidirectional expansion of spiral |
CN109914415B (en) * | 2019-03-31 | 2020-11-13 | 莆田城厢振达宸贸易有限公司 | Telegraph pole burying and slurry spreading device based on spiral multidirectional expansion |
CN110700247A (en) * | 2019-09-27 | 2020-01-17 | 中冶交通建设集团有限公司 | Construction method for cast-in-place pile to penetrate through quicksand layer |
CN111395332A (en) * | 2020-03-30 | 2020-07-10 | 胡美玲 | Rotary excavating and anchor cable construction method for hard rock stratum |
CN115341533A (en) * | 2022-08-30 | 2022-11-15 | 中铁九桥工程有限公司 | Drilling construction method for cast-in-place pile in easily collapsed stratum |
CN115341533B (en) * | 2022-08-30 | 2023-08-11 | 中铁九桥工程有限公司 | Drilling construction method for easy-collapse stratum cast-in-situ pile |
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