CN110094168B - Treatment device for rock blocks of cast-in-situ bored pile and application method of treatment device - Google Patents
Treatment device for rock blocks of cast-in-situ bored pile and application method of treatment device Download PDFInfo
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- CN110094168B CN110094168B CN201910320813.1A CN201910320813A CN110094168B CN 110094168 B CN110094168 B CN 110094168B CN 201910320813 A CN201910320813 A CN 201910320813A CN 110094168 B CN110094168 B CN 110094168B
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- rod
- rotary rod
- drill
- rotary
- pile hole
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- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000011065 in-situ storage Methods 0.000 title claims abstract description 11
- 239000011435 rock Substances 0.000 title description 2
- 238000005553 drilling Methods 0.000 claims abstract description 28
- 239000004575 stone Substances 0.000 claims abstract description 28
- 239000002689 soil Substances 0.000 claims abstract description 10
- 230000006835 compression Effects 0.000 claims abstract description 9
- 238000007906 compression Methods 0.000 claims abstract description 9
- 230000002093 peripheral effect Effects 0.000 claims abstract description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 17
- 239000010959 steel Substances 0.000 claims description 17
- 238000005452 bending Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 description 5
- 239000002002 slurry Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D13/00—Accessories for placing or removing piles or bulkheads, e.g. noise attenuating chambers
- E02D13/08—Removing obstacles
-
- 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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/22—Rods or pipes with helical structure
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Structural Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- General Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Paleontology (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention relates to the field of piles special for foundation engineering, in particular to a treatment device for stones in a cast-in-situ bored pile and a using method thereof. The utility model provides a processing apparatus of bored concrete pile stone, includes drilling rod (1), characterized by: the drill rod fixing device is characterized by further comprising a rotary rod (2) and compression rods (3), wherein the rotary rod (2) is attached to the outer side face of the bottom of the drill rod (1) through a central shaft, and the compression rods (3) are sequentially attached to the central shaft line of the rotary rod (2) to fix the rotary rod (2) on the outer side face of the drill rod (1). The use method of the device for treating the cast-in-situ bored pile stone is characterized by comprising the following steps of: the method is implemented in sequence according to the following steps: the drill rod (1) drives the rotary rod (2) to drill a bored concrete pile hole, and when the drill rod (1) drills the soil into the bored concrete pile hole, stones leaked from the drill rod (1) are directly extruded to the soil body on the peripheral side wall of the bored concrete pile hole by the rotary rod (2) through rotation. The invention has simple operation, strong adaptability, safety and reliability.
Description
Technical Field
The invention relates to the field of piles special for foundation engineering, in particular to a treatment device for stones in a cast-in-situ bored pile and a using method thereof.
Background
In the construction of the bored pile in the pile foundation engineering, the construction method is characterized in that a drilling machine is adopted to drill to form a hole, a drill bit rotates to cut soil, friction water is added, the ground is stirred into slurry, and the slurry is pumped out of the pile hole by a slurry pump so that the drill bit can continuously drill. However, in some places with complicated geology, soil and stones are mixed and mixed with more broken stones and impurities, so that the drilling of the drill bit is influenced, the stones cannot be broken by the drill bit and can only go deeper along with the drill bit, and finally the stones are completely deposited at the bottom of the pile until the drill bit cannot drill, the designed pile length is insufficient, and the quality of the pile bottom is influenced. Therefore, when drilling construction, the stone blocks in the pile positions need to be treated. Because the traditional rotary drilling rig is used for drilling and taking out soil, stones and water in the pile position as a whole, no muddy water in the pile hole can support and protect the wall of the pile hole, and the method is not beneficial to the construction of the cast-in-situ bored pile in soft soil.
Disclosure of Invention
In order to overcome the defects of the prior art and provide a foundation structure member which is simple and convenient to operate, strong in adaptability, safe and reliable, the invention discloses a device for treating a cast-in-situ bored pile stone block and a using method thereof.
The invention achieves the purpose by the following technical scheme:
the utility model provides a processing apparatus of drilling bored concrete pile stone, includes the drilling rod, characterized by: the rotary rod is formed by sequentially connecting all strands of rotary rod units end to end and is wavy, the rotary rod is attached to the outer side face of the bottom of the drill rod through a central shaft, the wave crests and the wave troughs of the rotary rod are respectively arranged on two sides of the drill rod, and the rotary rod is fixed on the outer side face of the drill rod through sequentially attaching all the compression rods on the central shaft line of the rotary rod.
The processing device of the cast-in-situ bored pile stone is characterized in that:
selecting a steel wire rope as a rotary rod, bending the steel wire rope strand by strand when the outer diameter of the steel wire rope is 20-40 mm, and forming a rotary rod unit once bending;
the press rods are made of steel bars, the number of the rotary rod unit strands attached to each press rod is not less than ten strands, and the outer diameter of each press rod is 6-8 mm.
The using method of the device for treating the cast-in-situ bored pile stone is characterized in that: the method is implemented in sequence according to the following steps: the drill rod with the rotary rod is used as the last drill rod of the drilling machine and is arranged at the drilling position of the cast-in-place pile, the drilling machine is started, the drill rod drives the rotary rod to drill the cast-in-place pile hole, when the drill rod drills the soil into the cast-in-place pile hole, leaked stones in the drill rod are directly extruded to the soil body on the peripheral side wall of the cast-in-place pile hole by the rotary rod through rotation, the stones cannot descend synchronously along with the advancing of the drill rod, and the phenomenon that the cast-in-place pile hole is drilled deeper and the stones in the hole are gradually accumulated is avoided.
The using method of the device for treating the cast-in-situ bored pile stone is characterized in that: the height of the rotating rod, namely the distance between the connecting lines of the points at the tops of the peaks and the tops of the valleys and the bottoms of the valleys, is 1.2-1.5 times of the aperture of the bored concrete pile hole.
The invention has the following beneficial effects:
1. the problem that drilling concrete blocks and stones in the bored pile hole influences pile foundation construction and quality is solved;
2. the material is easy to obtain, the steel wire rope can be a waste steel wire rope, and the steel wire rope has certain rigidity and strength so as to be capable of pushing the stone blocks;
3. convenient manufacture, convenient use and strong adaptability.
Drawings
FIG. 1 is a front view of the present invention;
fig. 2 is a sectional view taken along line a-a in fig. 1.
Detailed Description
The invention is further illustrated by the following specific examples.
Example 1
A processing apparatus of drilling bored concrete pile stone, includes drilling rod 1, swing arm 2 and depression bar 3, as shown in fig. 1 and fig. 2, the concrete structure is:
the swing rod 2 is formed by sequentially connecting all strands of swing rod units 21 end to end and is wavy, the swing rod 2 is attached to the outer side surface of the bottom of the drill rod 1 through a central shaft, the wave crests and the wave troughs of the swing rod 2 are respectively arranged on two sides of the drill rod 1, and the swing rod 2 is welded and fixed on the outer side surface of the drill rod 1 by sequentially attaching all the compression rods 3 to the central shaft line of the swing rod 2.
In this embodiment:
the steel wire rope is selected as the rotary rod 2, the outer diameter of the steel wire rope is 20 mm-40 mm, the steel wire rope is bent strand by strand, a rotary rod unit 21 is formed when the steel wire rope is bent once, and the height of the rotary rod 2, namely the distance between each point connecting line of the peak top of a wave crest and each point connecting line of the bottom of the wave trough and the valley as shown in a in figure 1, is 1.2-1.5 times of the aperture of the cast-in-place pile hole. (ii) a
The press rods 3 are made of steel bars, 21 strands of the rotary rod units attached to each press rod 3 are not less than ten strands, and the outer diameter of each press rod 3 is 6-8 mm.
When the method is used, the steps are implemented in sequence as follows: the drilling rod 1 with the rotary rod 2 serves as the last drilling rod of the drilling machine and is arranged at the drilling position of the cast-in-place pile, the drilling machine is started, the drilling rod 1 drives the rotary rod 2 to drill out a cast-in-place pile hole, when the drilling rod 1 drills into the cast-in-place pile hole, leaked stones in the drilling rod 1 are directly extruded into soil bodies on the peripheral side wall of the cast-in-place pile hole by the rotary rod 2 through rotation, the stones cannot descend synchronously along with the pushing of the drilling rod 1, and the phenomenon that the cast-in-place pile hole is drilled deeper and the stones in the hole are gradually accumulated is avoided.
Claims (1)
1. The using method of the treatment device for the cast-in-situ bored pile stone comprises a drill rod (1), a rotary rod (2) and compression rods (3), wherein the rotary rod (2) is formed by sequentially connecting all strands of rotary rod units (21) end to end and is wavy, the rotary rod (2) is attached to the outer side surface of the bottom of the drill rod (1) through a central shaft, the wave crests and the wave troughs of the rotary rod (2) are respectively arranged on two sides of the drill rod (1), and the compression rods (3) are sequentially attached to the central shaft line of the rotary rod (2) to fix the rotary rod (2) on the outer side surface of the drill rod (1);
selecting a steel wire rope as the rotary rod (2), bending the steel wire rope strand by strand when the outer diameter of the steel wire rope is 20-40 mm, and forming a rotary rod unit (21) once when the steel wire rope is bent;
the compression bars (3) are made of steel bars, the number of strands of the rotary bar unit (21) attached to each compression bar (3) is not less than ten strands, and the outer diameter of each compression bar (3) is 6-8 mm;
the method is characterized in that: the method is implemented in sequence according to the following steps: the drilling machine is started, the drilling rod (1) drives the rotary rod (2) to drill a bored pile hole, when the drilling rod (1) drills the bored pile hole, stones leaked from the drilling rod (1) are directly extruded to soil bodies on the peripheral side wall of the bored pile hole by the rotary rod (2) through rotation, and cannot descend synchronously along with the advance of the drilling rod (1), so that the bored pile hole is prevented from being drilled deeper and the stones in the hole are prevented from being gradually accumulated;
the height of the rotating rod (2), namely the distance between the connecting line of each point at the top of the peak and the connecting line of each point at the bottom of the valley is 1.2-1.5 times of the aperture of the bored concrete pile hole.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201910320813.1A CN110094168B (en) | 2019-04-20 | 2019-04-20 | Treatment device for rock blocks of cast-in-situ bored pile and application method of treatment device |
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CN201910320813.1A CN110094168B (en) | 2019-04-20 | 2019-04-20 | Treatment device for rock blocks of cast-in-situ bored pile and application method of treatment device |
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CN110094168A CN110094168A (en) | 2019-08-06 |
CN110094168B true CN110094168B (en) | 2021-08-13 |
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CN208309574U (en) * | 2018-05-17 | 2019-01-01 | 航天建筑设计研究院有限公司 | A kind of cast-in-situ bored pile multistage drilling rod |
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2019
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