CN103161156A - Threaded grouting pile enabling pipeline sinking and rotary excavating earth borrowing to be synchronous - Google Patents
Threaded grouting pile enabling pipeline sinking and rotary excavating earth borrowing to be synchronous Download PDFInfo
- Publication number
- CN103161156A CN103161156A CN2013101160624A CN201310116062A CN103161156A CN 103161156 A CN103161156 A CN 103161156A CN 2013101160624 A CN2013101160624 A CN 2013101160624A CN 201310116062 A CN201310116062 A CN 201310116062A CN 103161156 A CN103161156 A CN 103161156A
- Authority
- CN
- China
- Prior art keywords
- steel pipe
- power head
- rotary power
- spiral steel
- pile
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Abstract
A threaded grouting pile enabling pipeline sinking and rotary excavating earth borrowing to be synchronous comprises an upper rotary power head connected with a tubular spiral drill stem. The spiral drill stem penetrates through a lower rotary power head. A tube connector is arranged at the bottom of the lower rotary power head and is connected with the upper end of a spiral steel tube in a sleeved mode. An outer helix is arranged on the lower portion of the spiral steel tube. An earth outlet is arranged on the lower rotary power head and is communicated with a tube hole of the spiral steel tube. A connecting flange plate and a T-shaped groove are arranged on the tube connector. A rectangular protruding block is arranged at the upper end of the spiral steel tube. The width and the height of the rectangular protruding block are respectively matched with the width of a vertical groove of the T-shaped groove and the height of a transverse groove of the T-shaped groove. The threaded grouting pile fundamentally eliminates pollution of wall protection slurry to the surroundings in the drilling process through adoption of a dry-type earth borrowing method. Secondly, through adoption of a total pile length steel tube wall protection non-soil-squeezing construction method, a pile body is provided with rotary threads and is evenly embedded into soil layers around the pile. Therefore, the threaded grouting pile has high bearing capacity performance and is capable of remarkably improving construction efficiency of the pile.
Description
Technical field
The present invention relates to a kind of pile foundation of civil construction project, especially relate to a kind of adopt that synchronous spinning sinking pipe and spiral fetch earth in pipe synchronize immersed tube with revolve the screw cast-in-place pile that takes soil.
Background technology
Belonging to the most frequently used stake type of non-extruding earth performance in existing pile foundation engineering is the holing with slurry wall protection castinplace pile, this holing with slurry wall protection castinplace pile can be according to the requirement of design bearing capacity value, conveniently choose a footpath long with stake, affect without soil compaction, since pile foundation adopts Commercial Concrete, this concrete reliability increases substantially, thereby this bored pile type is widely used in engineering, is the bored pile type that adopts mud off as the stake more than 80% is arranged in Pile Foundation.
Yet the drilling slurry that this bored pile is discarded for generation at municipal construction causes the severe contamination to urban environment; This mud flows into again sewer and causes the obstruction drainage pipe; Perhaps enter the rivers in city, make to rise on the riverbed of rivers and cause that the cross-section of river dwindles, affect thus the safety of drainning off floodwaters in city; For example the construct concrete of bored pile of 1 cubic metre need 7 cubic metres of clean waters, produce 4 cubic metres of discarded drilling slurries; If annual 300000 of the bored piles of using, 800 millimeters of average stake footpath Φ, average stake is long is 50 meters, produces thus the discarded drilling slurry of 3000 ten thousand steres, this is equivalent to the volume of thirty West Lake, 3 Hangzhoupro; So a large amount of discarded drilling slurries can not find storable place at peri-urban at all.
Secondly, existing its process of holing with slurry wall protection castinplace pile and efficiency of construction are lower.
Summary of the invention
Technical problem to be solved by this invention be provide for above-mentioned prior art present situation a kind of have than high-bearing capacity and efficiency of construction synchronize immersed tube with revolve the screw cast-in-place pile that takes soil
The present invention solves the problems of the technologies described above the technical scheme that adopts: a kind of synchronous immersed tube with revolve take soil screw cast-in-place pile, it is characterized in that, comprise the top rotary power head that is connected with auger stem, this auger stem in a tubular form, this auger stem passes again the bottom rotary power head, the bottom of this bottom rotary power head is provided with union, this union and spiral steel pipe upper end socket, and described auger stem enters in described threaded steel pipe; The bottom of this spiral steel pipe is provided with external spiral.
Due to the screw cast-in-place pile that adopts above-mentioned pile body band external spiral, and evenly embed soil layer, there is no frictional resistance between stake and soil, and there is native shearing force in the screw thread that embeds soil layer with soil, this native shearing force is much larger than the frictional resistance between stake and soil, thereby screw cast-in-place pile of the present invention has the performance of high-bearing capacity.
Described external spiral is arranged on the bottom of described spiral steel pipe; The external spiral effect makes spiral steel pipe effectively embed soil layer.
The soil body that enters spiral steel pipe when sinking to soil layer for spiral steel pipe spinning is expelled to ground by lower rotary power head, and described bottom rotary power head is provided with soil outlet, and this soil outlet is communicated with the pore of described spiral steel pipe.
Described spiral steel pipe top is provided with a plurality of rectangle projections along garden Zhou Fangxiang, and its effect is that the soil body enters in this steel pipe by the gap that forms between this rectangle projection and spiral steel pipe inwall, and the soil outlet that this soil body can be brought to lower rotary power head is discharged.Described rectangle projection arranges 4, and along the circumference uniform distribution setting of described spiral steel pipe.
For realize described bottom rotary power head, described union and described threaded steel pipe three accurately the location with firm be connected in aggregates, described union upper end is provided with mounting flange and reinforcing rib, and the periphery of this union bottom is provided with the T-slot that is comprised of vertical slot and translot; Described mounting flange and described bottom rotary power head are affixed with screw; The width of described rectangle projection matches with the width of described vertical slot, and the height of this rectangle projection matches with the height of described translot; Like this, after the rectangle projection on described spiral steel pipe top injected the vertical slot of described union, along with the rotation of this spiral steel pipe, the rectangle projection namely entered the translot of described T-slot, thereby realizes the purpose that spiral steel pipe is connected with the bottom rotary power head; Make the bottom rotary power head pass through described union transmitting torque to spiral steel pipe.
Described T-slot top is provided with central small hole, and the vertical center line of this central small hole vertical center line and described vertical slot coincides.
Described rectangle projection below is provided with the location small salient point, and this location small salient point and described rectangle projection are on same vertical center line.The effect of this location small salient point is need separate with the bottom rotary power head when extracting when spiral steel pipe, central small hole that need only the alignment tube joint and the small salient point of spiral steel pipe are on a vertical line, at this moment, the rectangle projection can be extracted spiral steel pipe in the center of vertical slot from the union of bottom rotary power head.
The concrete pile step of the present invention is: the first step, and described bottom rotary power head is connected with described union, and this union is socketed the suitable for reading of described spiral steel pipe; Described top rotary power head connects described auger stem and enters the suitable for reading of spiral steel pipe, then passes the bottom rotary power head and enter in spiral steel pipe, and is in place in design stake position; Second step, bottom rotary power head drive spiral steel pipe rotates clockwise and sinks to soil layer, simultaneously, the auger stem that is connected with the top rotary power head passes the bottom rotary power head and enters in spiral steel pipe, synchronously rotating clockwise the soil body that will enter in spiral steel pipe is upwards raised or is interrupted and pulls out by the rotation of the spiral shell leaf of auger stem, when the soil body in spiral steel pipe arrived the soil outlet position of bottom rotary power head, the soil body was discharged from soil outlet; The upper and lower part rotary power head continues forward spinning and the soil body is discharged, until till reaching the desired castinplace pile degree of depth; In the 3rd step, the auger stem that the top rotary power head connects is extracted the suitable for reading of threaded steel pipe, and the union of bottom rotary power head bottom breaks away from the suitable for reading of spiral steel pipe, then, inserts reinforcing cage and fill concrete in spiral steel pipe; The lower tube adaptor cup jointing spiral steel pipe of bottom rotary power head suitable for reading, and drive spiral steel pipe along being rotated counterclockwise, spiral steel pipe is revolved pull out rising, under the concrete gravity pressure effect in spiral steel pipe, concrete filling external spiral rotation is risen the space that reserves to going out ground, screw cast-in-place pile.
Compared with prior art, the invention has the advantages that: at first, adopt dried soil extracting process, fundamentally eliminate borehole wall-protection mud to the pollution of surrounding environment; Secondly, adopt the job practices of the non-extruding earth performance of the long steel pipe retaining wall of full stake, be again because the pile body band rotates screw thread and evenly embeds the stake soil layer in week, thereby have than the high-bearing capacity performance and can significantly improve pile construction efficient.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the present invention.
Fig. 2 is the union schematic diagram of the embodiment of the present invention.
Fig. 3 is embodiment of the present invention spiral steel pipe structural representation.
Fig. 4 is embodiment of the present invention pile program schematic diagram.
The specific embodiment
Embodiment is described in further detail the present invention below in conjunction with accompanying drawing.
As Fig. 1～shown in Figure 4, the present embodiment adopts following structure particularly: it comprises the top rotary power head 2 that is connected with auger stem 6, and this auger stem 6 in a tubular form and the clockwise direction rotation; This auger stem 6 passes again in the pipe that bottom rotary power head 3 enters spiral steel pipe 1, the bottom of this spiral steel pipe 1 is provided with external spiral 10, the top of this spiral steel pipe 1 is provided with a plurality of tangs 8 along garden Zhou Fangxiang, the soil body enters in spiral steel pipe 1 by the gap 11 that forms between this tang and steel pipe walls, by the clockwise rotation of auger stem 6, the soil outlet 9 that this soil body is brought to lower rotary power head 3 is discharged again;
The bottom of bottom rotary power head is provided with union 7, this union 7 and spiral steel pipe 1 upper end socket, and the bottom that is fixed by bolts to the bottom rotary power head is with transmitting torque; This spiral steel pipe is by bottom rotary power head driven rotary; This bottom rotary power head drives spiral steel pipe and cuts soil along being threaded into direction, clockwise direction rotation immersed tube, as shown in Figure 1;
The upper end of spiral steel pipe 1 is provided with rectangle projection 8, and these rectangle projection 8 width match with the width of vertical slot 13, and these rectangle projection 8 height match with the height of translot 14;
With the vertical slot 13 of the rectangle projection 8 Inserting Tube joints 7 of spiral steel pipe 1 upper end, then, along with the rotation of spiral steel pipe, rectangle projection 8 namely rotates into translot 14, thereby realizes the purpose that spiral steel pipe 1 is connected with bottom rotary power head 3; Make bottom rotary power head 3 pass through steel pipe 1 transmitting torque to spiral steel pipe.
Be provided with location small salient point 5 below rectangle projection 8 center lines, the effect of this location small salient point 5 is the centers that show rectangle projection 8, when spiral steel pipe need to separate with the bottom rotary power head when extracting, central small hole 4 that need only the alignment tube joint with the small salient point 5 of spiral steel pipe on a vertical line, at this moment, rectangle projection 8 can be extracted spiral steel pipe in the center of vertical slot 13 from the union of bottom rotary power head.
Turn clockwise by auger stem 6, the soil outlet 9 that the soil body in spiral steel pipe is brought to lower rotary power head 3 is discharged;
Synchronous immersed tube with revolve that to take native process be such: bottom rotary power head 3 drives spiral steel pipe 1 spinning and sinks to soil layer, enter the soil body of spiral steel pipe 1, by upper rotary power head 2 connect auger stems 6 turn clockwise with push away on the soil body or on pull out, soil outlet 9 places that the soil body brings to bottom rotary power head 3 are expelled to ground, until till arriving the desired castinplace pile degree of depth; Top rotary power head 2 connects auger stem 6 and extracts the suitable for reading of spiral steel pipe 1, bottom rotary power head 3 also breaks away from the suitable for reading of spiral steel pipe 1, then clear up a hole, insert reinforcing cage 21, pour into concrete 22, the bottom rotary power head is connected with the upper end of spiral steel pipe 1 by union 7, and the bottom rotary power head counterclockwise rotates, spiral steel pipe 1 is extracted ground, the steel bar concrete screw cast-in-place pile.
The concrete pile step of the present embodiment is:
The first step, the bottom of bottom rotary power head 3 is connected with union 7, and this union is socketed the suitable for reading of spiral steel pipe 1; Top rotary power head 2 connects auger stems 6 and enters the suitable for reading of spiral steel pipe 1, then passes bottom rotary power head 3 and enter in spiral steel pipe 1, and is in place in design stake position;
Second step, rotary power head 3 drive spiral steel pipes 1 in bottom rotate clockwise and sink to soil layer, simultaneously, the auger stem 6 that is connected with top rotary power head 2 passes bottom rotary power head 3 and enters in spiral steel pipe 1, synchronously rotate clockwise, the soil body that enters in spiral steel pipe 1 is upwards raised by auger stem 6 or is interrupted and pulls out, and the soil body in spiral steel pipe 1 arrives the soil outlet 9 positions discharges of bottom rotary power head 3; The upper and lower part rotary power head continues forward spinning and the soil body is discharged, until till reaching the desired castinplace pile degree of depth.
In the 3rd step, the auger stem 6 that top rotary power head 2 connects is extracted the suitable for reading of spiral steel pipe 1, and the union 7 of bottom rotary power head 3 bottoms breaks away from the suitable for reading of spiral steel pipes 1, inserts reinforcing cage 21 and fill concrete 22 in spiral steel pipe 1; Then, the suitable for reading and drive spiral steel pipe of the lower tube adaptor cup jointing spiral steel pipe of bottom rotary power head pulls out along being rotated counterclockwise, and under the concrete gravity pressure effect in spiral steel pipe, the space that concrete filling external spiral rotation rising reserves is to going out ground;
In the 4th step, namely complete steel bar concrete screw cast-in-place pile of the present invention.
Claims (7)
- A synchronous immersed tube with revolve the screw cast-in-place pile that takes soil, it is characterized in that, comprise the top rotary power head (2) that is connected with auger stem (6), this auger stem in a tubular form, this auger stem passes again bottom rotary power head (3), the bottom of this bottom rotary power head is provided with union (7), this union and spiral steel pipe (1) upper end socket; The bottom of this spiral steel pipe is provided with external spiral (10).
- According to claim 1 synchronous immersed tube with revolve the screw cast-in-place pile that takes soil, it is characterized in that, it is characterized in that, described bottom rotary power head (3) is provided with soil outlet (9), and this soil outlet (9) is communicated with the pore of described spiral steel pipe (1).
- According to claim 1 synchronous immersed tube with revolve the screw cast-in-place pile that takes soil, it is characterized in that, described union (7) upper end is provided with mounting flange (15) and reinforcing rib (16), and the periphery of this union bottom is provided with the T-slot that is comprised of vertical slot (13) and translot (14); Described mounting flange and described bottom rotary power head (3) are affixed.
- According to claim 3 synchronous immersed tube with revolve the screw cast-in-place pile that takes soil, it is characterized in that, the upper end of described spiral steel pipe (1) is provided with rectangle projection (8), the width of this rectangle projection matches with the width of described vertical slot (13), and the height of this rectangle projection matches with the height of described translot (14).
- According to claim 3 synchronous immersed tube with revolve the screw cast-in-place pile that takes soil, it is characterized in that, described T-slot top is provided with central small hole (4), the vertical center line of this central small hole vertical center line and described vertical slot (13) coincides.
- According to claim 4 the synchronous immersed tube of the long steel pipe retaining wall of full stake with revolve the castinplace pile that takes soil, it is characterized in that, described rectangle projection (8) arranges 4, and along the circumference uniform distribution setting of described spiral steel pipe (1).
- According to claim 6 the synchronous immersed tube of the long steel pipe retaining wall of full stake with revolve the castinplace pile that takes soil, it is characterized in that, described rectangle projection (8) below is provided with location small salient point (5), and this location small salient point vertical center line and described rectangle projection (8) vertical center line coincide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101160624A CN103161156A (en) | 2013-03-27 | 2013-03-27 | Threaded grouting pile enabling pipeline sinking and rotary excavating earth borrowing to be synchronous |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101160624A CN103161156A (en) | 2013-03-27 | 2013-03-27 | Threaded grouting pile enabling pipeline sinking and rotary excavating earth borrowing to be synchronous |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103161156A true CN103161156A (en) | 2013-06-19 |
Family
ID=48584665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013101160624A Pending CN103161156A (en) | 2013-03-27 | 2013-03-27 | Threaded grouting pile enabling pipeline sinking and rotary excavating earth borrowing to be synchronous |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103161156A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109113566A (en) * | 2017-06-23 | 2019-01-01 | 刘淼 | The structure-improved and full-sleeve screw cast-in-place pile construction method of full-sleeve twist bit |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07127055A (en) * | 1993-10-29 | 1995-05-16 | Chiyoda Koei Kk | Embedding construction method for thin wall steel pipe pile and thin wall steel pipe pile used for the same |
| CN2839542Y (en) * | 2005-06-15 | 2006-11-22 | 山东铁荣地基工程有限公司 | Foundation drilling pile driving construction auger |
| CN200975217Y (en) * | 2006-11-09 | 2007-11-14 | 北京东方泰晟基础机械技术有限公司 | Canula drilling machine |
| CN101245597A (en) * | 2007-02-16 | 2008-08-20 | 夏传清 | Breast wall type cast-in-situ bored pile construction method and pile machine |
| CN101831906A (en) * | 2009-03-09 | 2010-09-15 | 钱圣德 | Dry type pneumatic rock drilling pile-driving machine and working method thereof |
| CN102828692A (en) * | 2012-09-10 | 2012-12-19 | 大连大金马基础建设有限公司 | Pneumatic drilling method for casing pipe type spiral drilling machine |
-
2013
- 2013-03-27 CN CN2013101160624A patent/CN103161156A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07127055A (en) * | 1993-10-29 | 1995-05-16 | Chiyoda Koei Kk | Embedding construction method for thin wall steel pipe pile and thin wall steel pipe pile used for the same |
| CN2839542Y (en) * | 2005-06-15 | 2006-11-22 | 山东铁荣地基工程有限公司 | Foundation drilling pile driving construction auger |
| CN200975217Y (en) * | 2006-11-09 | 2007-11-14 | 北京东方泰晟基础机械技术有限公司 | Canula drilling machine |
| CN101245597A (en) * | 2007-02-16 | 2008-08-20 | 夏传清 | Breast wall type cast-in-situ bored pile construction method and pile machine |
| CN101831906A (en) * | 2009-03-09 | 2010-09-15 | 钱圣德 | Dry type pneumatic rock drilling pile-driving machine and working method thereof |
| CN102828692A (en) * | 2012-09-10 | 2012-12-19 | 大连大金马基础建设有限公司 | Pneumatic drilling method for casing pipe type spiral drilling machine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109113566A (en) * | 2017-06-23 | 2019-01-01 | 刘淼 | The structure-improved and full-sleeve screw cast-in-place pile construction method of full-sleeve twist bit |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100480475C (en) | Controllable one-well lamina precipitation construction method | |
| CN100588816C (en) | Construction method for horizontal drilling | |
| CN102852141B (en) | Rock-socketed pipe pile foundation with pile core by concrete pouring and pile side by static pressure grouting and construction method for rock-socketed pipe pile foundation | |
| CN104329094B (en) | A kind of construction technology of spiral push-bench | |
| CN102691296A (en) | Pipe pile foundation for static-pressure grouting on pile side and rotary jet grouting at pile bottom and construction method thereof | |
| CN105113498A (en) | Method for constructing high-strength core composite piles | |
| CN104018792A (en) | Reducing screw displacement pile drilling tool and construction method thereof | |
| CN101806196A (en) | Compound rotary drilling rig drilling mechanism | |
| CN105114029A (en) | Water plugging method for poor sealing borehole in mine laneway | |
| CN101900223B (en) | Guide, spiral sludge discharge and pipeline jacking paving construction method | |
| CN203569561U (en) | Novel pile forming device of steel pipe protection wall cast-in-place piles following up drill | |
| CN103953030B (en) | The compacted castinplace pile of screw thread supination joint bar | |
| CN103031847B (en) | Reducing overlap joint combined type orifice pipe grouting method | |
| CN110424896A (en) | A kind of hole stake drilling construction method and device suitable for high backfill Karst Geological Landscape | |
| CN103174133A (en) | Pile-forming device and method of steel tube dado super embedded rock filling piles | |
| CN203145004U (en) | Whole pile long steel tube dado synchronous tube sinking and rotary excavating earth borrowing grouting pile | |
| CN105239564A (en) | Construction method of cast-in-place pile with combination of full-sleeve and mud protecting wall | |
| CN103161163B (en) | Prestressed tubular pile for spinning rock drilling and embedding rock socketing | |
| CN104878745A (en) | Pile-forming device with double-helix drill rod and pile-forming method | |
| CN103161156A (en) | Threaded grouting pile enabling pipeline sinking and rotary excavating earth borrowing to be synchronous | |
| CN207673287U (en) | A kind of jet-propelled high-efficiency helical drilling tool | |
| CN103161157B (en) | Cast-in-place pile capable of conducting tube sinking and rotary excavating earth borrowing synchronously of full pile long steel pipe dado | |
| CN203188203U (en) | Thread filling pile capable of synchronously sinking pipeline and rotatably excavating and borrowing soil | |
| CN203808055U (en) | Screw post-reinforced compacted pile | |
| CN203603155U (en) | Novel double-size grouting end mixing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130619 |