CN1995553A - Pile forming method for filling pile of compact-making hole and its drill rod - Google Patents
Pile forming method for filling pile of compact-making hole and its drill rod Download PDFInfo
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- CN1995553A CN1995553A CN 200610166449 CN200610166449A CN1995553A CN 1995553 A CN1995553 A CN 1995553A CN 200610166449 CN200610166449 CN 200610166449 CN 200610166449 A CN200610166449 A CN 200610166449A CN 1995553 A CN1995553 A CN 1995553A
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- drilling rod
- drill bit
- soil compaction
- drill rod
- pile
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Abstract
The invention discloses a pile construction for soil compaction pore-forming pouring pile, comprising following procedures that (1) hollow extrusion pore-forming drill rod rotates, feeds and extrudes to the setting depth at the same time; (2) the drill rod rotates and arises at the same time, and pile formation material is jetted into the hollow drill rod; (3) the drill rod is lifted to the port; (4) steel reinforcement cage is set into the jetted pile formation material to the level. The drill rod in pile formation method comprises drill bit connected with inner drill rod; outer drill rod mated out of the inner drill rod, which is connected with drill bit reelingly; slurry discharge hole is set on outer wall of drill bit; non-return valve plate is set on the outer cover of slurry discharge hole, of which the upper end is fixed with drill bit by pin connection on the radial direction. The invention extrudes the soil to form hole and it can not be out of soil. Not only there is no pollution but also large transporting cost for soil can be saved.
Description
Technical field
The present invention relates to a kind of piling method and drilling rod thereof of soil compaction pore-creating filling pile.
Background technology
The construction type of stake commonly used can be divided into non-soil compaction stake, the stake of part soil compaction and soil compaction stake three major types both at home and abroad at present.These pile foundation constructions worker method cuts both ways, and pluses and minuses are obvious.Non-soil compaction stake significant disadvantages is: casting, mud contamination, single pile resist the power of carrying lower; Its advantage is: vibrate little, noise is low, equipment is simple, easy construction, duration short.The distinct disadvantage of soil compaction stake is: vibration is big, noise is high, in the sand bed of N＞30 the pile difficulty, main equipment, cost height; Advantage is: construction quality is easy to control, the bearing capacity of single pile height, and the duration is short.
Summary of the invention
The present invention seeks to: a kind of piling method of soil compaction pore-creating filling pile is provided, and this piling method is the soil compaction pore-forming, is not unearthed, and not only makes environment neatly pollution-free, and has saved a large amount of earthwork freights, has reduced engineering cost.
The object of the invention also is: a kind of two moving drilling rod of soil compaction pore-creating filling pile is provided, and the interior drilling rod of this drilling rod can adopt different drill bits and rotating speed to drill layer of sand or broken rock at different soil, has enlarged the scope of application.
Technical scheme of the present invention is: a kind of piling method of soil compaction pore-creating filling pile comprises the following steps:
(1) rotation of compact making hole drilling rod limit, limit feeding, the limit with hollow is squeezed to prescribed depth;
(2) limit rotation, limit promote drilling rod, and the drilling rod by hollow pours into into pile material simultaneously;
(3) aperture is proposed drilling rod;
(4) go into reinforcing cage to absolute altitude in that the good one-tenth pile material of perfusion is mid-.
Above-mentioned one-tenth pile material is divided into two kinds, and a kind of is flexible materials such as flyash, lime; A kind of is hard materials such as concrete.
A kind of drilling rod of soil compaction pore-creating filling pile, comprise drill bit, be connected with the interior drilling rod of hollow on the drill bit, interior drilling rod is with outer drilling rod outward, the lower end of outer drilling rod is connected rotationally with drill bit, the drill bit outer wall is provided with the plasma discharge hole that is communicated with interior drilling rod, and plasma discharge is covered with check valve plate outside the hole, and the upper end of check valve plate and drill bit radially pin joint are fixed.
Described outer drilling rod is provided with the conical pressure ram that radially diminishes downwards near an end of drill bit, and the outer wall of pressure ram is provided with external screw thread; The below of described pressure ram is connected with clamping ring, clamping ring is to having a circle flange, drill bit is provided with groove corresponding to the position of flange, flange is embedded in the groove, drill bit is provided with sealing ring near the position of groove, clamping ring is provided with one and tops bar, and drill bit is provided with corresponding to the position of topping bar and gets out of a predicament or an embarrassing situation, and between topping bar and getting out of a predicament or an embarrassing situation bearing is installed; Described plasma discharge hole is two, and two plasma discharge holes are arranged on the relative both sides of drill bit.
The surface of above-mentioned pressure ram studs with carbide alloy.
Advantage of the present invention is:
1. the present invention is the soil compaction pore-forming, is not unearthed, and not only makes environment neatly pollution-free, and has saved a large amount of earthwork freights, has reduced engineering cost.
2. because drilling rod outwards pushes, make soil obtain compact substance, pour into into the sidewall frictional resistance that has increased stake behind the pile material, thereby improved bearing capacity of single pile, also improved the condition that stake is subjected to horizontal shear simultaneously.
3. drilling rod can adopt different drill bits and rotating speed to drill layer of sand or broken rock at different soil in of the present invention, has enlarged the scope of application.
4. the pressure ram of the outer drilling rod of the present invention is provided with external screw thread, therefore can be while rotate impacting soil, make drill bit can cut soil easily, and dispersion acts on extruding force on the drilling rod when drilling rod feeds extruding.
5. the present invention is similar to the construction of the long spiral underwater cast-in-place pile technology of nation-building portion " 10 new technologies of builing industry (2005) are applied ", but the present invention is not unearthed, it is a quantum jump to long spiral underwater cast-in-place pile technology, it is a kind of wound novel construction method of alternative long screw pouring piles, it is a kind of high efficiency, low cost, the wound novel construction method that environment is clean and tidy has great realistic meaning.
Below in conjunction with drawings and Examples the present invention is further described:
Description of drawings
Fig. 1 is following casing schematic diagram;
Schematic diagram when Fig. 2 reaches prescribed depth for drilling rod;
Fig. 3 is the schematic diagram that pours into into pile material;
Fig. 4 is for having poured into the schematic diagram that the back drilling rod proposes the aperture;
Fig. 5 is the descending reinforcing cage schematic diagram;
Fig. 6 is the structural representation of drilling rod.
Wherein: 1 casing; 2 drilling rods; 3 reinforcing cages;
21 drill bits; Drilling rod in 22; 23 outer drilling rods; 24 plasma discharge holes; 25 check valve plates; 26 pressure rams; 27 external screw threads; 28 clamping rings; 29 flanges; 210 grooves; 211 sealing rings; 212 top bar; 213 get out of a predicament or an embarrassing situation; 214 bearings.
The specific embodiment
Embodiment: the piling method of the soil compaction pore-creating filling pile that present embodiment provides comprises the following steps:
(2) rotation of compact making hole drilling rod limit, limit feeding, the limit with hollow is squeezed to prescribed depth, and sky takes two turns under non-pressurized situation, with a small amount of loosened soil in bottom compacted (as shown in Figure 2);
(3) limit rotation, limit promote drilling rod 2, and the drilling rod 2 by hollow pours into into pile material (as shown in Figure 3) simultaneously, and space that the speed of rotary lifting and bottom are reserved and the quantity that pumps into material control by the metering loading amount, until design elevation.
(4) aperture (as shown in Figure 4) is proposed drilling rod 2;
(5) go into reinforcing cage 3 to absolute altitude (as shown in Figure 5) in that the good one-tenth pile material of perfusion is mid-;
(6) utilizing the conduit secondary to press irritates to the above 50cm of stake top design elevation.
Above-mentioned one-tenth pile material is divided into two kinds, and a kind of is flexible materials such as flyash, lime; A kind of is hard materials such as concrete.
The empty denser of type that under northwest collapsible loess, the reasonable situation of compact making hole moulding, also pushes owing to process, be difficult for caving in, also can promote drilling rod 2 back telephone-moving to another aperture, by another work team, elder generation's descending reinforcing cage 3, back perfusion concrete (can use vibrator or vibrating hammer tension and compression to go into) can be saved the activity duration like this, and the parallel operation of carrying out is intersected in two work teams, can shorten construction period.
The employed drilling rod 2 of the piling method that present embodiment provides (as shown in Figure 6), comprise drill bit 21, drill bit 21 upper ends are connected with the interior drilling rod 22 of hollow, be with outer drilling rod 23 outside the interior drilling rod 22, the lower end of outer drilling rod 23 is connected rotationally with drill bit 21, drill bit 21 outer walls are provided with two plasma discharge holes 24 relative, that be communicated with interior drilling rod 22, are covered with check valve plate 25 outside the plasma discharge hole 24, and the upper end of check valve plate 25 and drill bit 21 radially pin joint are fixed;
When pouring into into pile material, become pile material to be delivered to the bottom, and pump, to realize perfusion from the plasma discharge hole 24 of drill bit 21 both sides by the interior drilling rod 22 of hollow.
The present invention is the soil compaction pore-forming, is not unearthed, and not only makes environment neatly pollution-free, and has saved a large amount of earthwork freights, has reduced engineering cost.
The present invention is a kind of shockproof, and the gradual soil compaction of low noise becomes pile work method.Minimum to surrounding soil extruding influence, be a kind of wound novel construction method of the alternative long spiral underwater cast-in-place pile that is widely adopted at present.
Claims (8)
1. the piling method of a soil compaction pore-creating filling pile comprises the following steps:
(1) rotation of compact making hole drilling rod limit, limit feeding, the limit with hollow is squeezed to prescribed depth;
(2) limit rotation, limit promote drilling rod, and the drilling rod by hollow pours into into pile material simultaneously;
(3) aperture is proposed drilling rod;
(4) go into reinforcing cage to absolute altitude in that the good one-tenth pile material of perfusion is mid-.
2. the piling method of soil compaction pore-creating filling pile according to claim 1 is characterized in that: described step (1) is preceding, in the aperture casing is set, and the casing internal diameter is greater than the stake footpath.
3. the piling method of soil compaction pore-creating filling pile according to claim 1 is characterized in that: after the described step (1), sky takes two turns under non-pressurized situation.
4. the piling method of soil compaction pore-creating filling pile according to claim 1 is characterized in that: after the described step (4), utilize the conduit secondary to press and irritate to the above 50cm of stake top design elevation.
5. the drilling rod of a soil compaction pore-creating filling pile, it is characterized in that: comprise drill bit (21), be connected with the interior drilling rod (22) of hollow on the drill bit (21), the outer outer drilling rod (23) that is with of interior drilling rod (22), the lower end of outer drilling rod (23) is connected rotationally with drill bit (21), drill bit (21) outer wall is provided with the plasma discharge hole (24) that is communicated with interior drilling rod (22), and plasma discharge hole (24) are outer to be covered with check valve plate (25), and the upper end of check valve plate (25) and drill bit (21) radially pin joint are fixed.
6. the drilling rod of soil compaction pore-creating filling pile according to claim 5, it is characterized in that: described outer drilling rod (23) is provided with the conical pressure ram (26) that radially diminishes downwards near an end of drill bit (21), and the outer wall of pressure ram (26) is provided with external screw thread (27).
7. the drilling rod of soil compaction pore-creating filling pile according to claim 6, it is characterized in that: the below of described pressure ram (26) is connected with clamping ring (28), clamping ring (28) is to having a circle flange (29), drill bit (21) is provided with groove (210) corresponding to the position of flange (29), flange (29) is embedded in the groove (210), drill bit (21) is provided with sealing ring (211) near the position of groove (210), clamping ring (28) is provided with one top bar (212), drill bit (21) is provided with get out of a predicament or an embarrassing situation (213) corresponding to the position of top bar (212), tops bar (212) and get out of a predicament or an embarrassing situation bearing (214) is installed between (213).
8. the drilling rod of soil compaction pore-creating filling pile according to claim 5 is characterized in that: described plasma discharge hole (24) is two, and two plasma discharge holes (24) are arranged on the relative both sides of drill bit (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610166449 CN1995553A (en) | 2006-12-21 | 2006-12-21 | Pile forming method for filling pile of compact-making hole and its drill rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610166449 CN1995553A (en) | 2006-12-21 | 2006-12-21 | Pile forming method for filling pile of compact-making hole and its drill rod |
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| Publication Number | Publication Date |
|---|---|
| CN1995553A true CN1995553A (en) | 2007-07-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200610166449 Pending CN1995553A (en) | 2006-12-21 | 2006-12-21 | Pile forming method for filling pile of compact-making hole and its drill rod |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106677171A (en) * | 2016-11-24 | 2017-05-17 | 刘泽华 | Soil-squeezing under-reamed pile forming device and construction method thereof |
| CN108265724A (en) * | 2018-03-30 | 2018-07-10 | 中铁北京工程局集团第工程有限公司 | A kind of brill stake holes concrete secondary back cover device for casting |
| CN114438997A (en) * | 2022-01-30 | 2022-05-06 | 广东巨源工程技术有限公司 | Hard stratum dry drilling soil-squeezing pore-forming post-grouting bored concrete pile construction method |
-
2006
- 2006-12-21 CN CN 200610166449 patent/CN1995553A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106677171A (en) * | 2016-11-24 | 2017-05-17 | 刘泽华 | Soil-squeezing under-reamed pile forming device and construction method thereof |
| CN108265724A (en) * | 2018-03-30 | 2018-07-10 | 中铁北京工程局集团第工程有限公司 | A kind of brill stake holes concrete secondary back cover device for casting |
| CN108265724B (en) * | 2018-03-30 | 2023-09-15 | 中铁北京工程局集团第一工程有限公司 | Bored pile hole concrete secondary back cover pouring device |
| CN114438997A (en) * | 2022-01-30 | 2022-05-06 | 广东巨源工程技术有限公司 | Hard stratum dry drilling soil-squeezing pore-forming post-grouting bored concrete pile construction method |
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