CN101245597A - Breast wall type cast-in-situ bored pile construction method and pile machine - Google Patents
Breast wall type cast-in-situ bored pile construction method and pile machine Download PDFInfo
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- CN101245597A CN101245597A CNA2007100104763A CN200710010476A CN101245597A CN 101245597 A CN101245597 A CN 101245597A CN A2007100104763 A CNA2007100104763 A CN A2007100104763A CN 200710010476 A CN200710010476 A CN 200710010476A CN 101245597 A CN101245597 A CN 101245597A
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Abstract
The invention relates to a construction technique of pile foundation work and a construction device thereof. The invention discloses a breast wall type cast-in-situ bored pile construction method which is that: a pile machine takes place at the design pile position, drills in by using a long spiral drilling tool of the inner axes in an immersed tube, and starts a subsidence actuating unit of the immersed tube; when the supporting course depth of the designed elevation is reached, concrete is transmitted by a stamen pipe pump of the drilling tool and the drilling tool is lifted by the stamen pipe pump before the immersed tube starts to lift the drilling tool so as to lead a drill bit to be always positioned in the immersed tube until the concrete depositing is finished and the pile is formed. The breast wall type cast-in-situ bored pile machine includes a pile tool support frame and a locating mechanism thereof; a pile tool which is arranged by being supported on a pile frame comprises the immersed tube, subsidence power parts of the immersed tube, the long spiral drilling tool and spiral power parts of the long spiral drilling tool; the long spiral drilling tool is arranged inside the immersed tube and runs along the axes of the immersed tube. The technology has the characteristics of high quality of pile forming, high bearing capacity, high efficiency and being easy to be controlled, which also can greatly shorten the construction period.
Description
Technical field
What the present invention relates to is building pile foundation construction technology and construction equipment technology thereof.
Background technology
Existing pipeline sinking pile and long auger stake technology, wherein classify by the power mode, pipeline sinking pile comprises vibration hammer formula pipeline sinking pile and static pressure type pipeline sinking pile again, owing to have soil compaction effect in the pipe pile settling construction, be prone to technical problems such as squeezing stake, broken pile, undergauge, broken point and gulp down point and also take place often, so replace pipe pile settling construction technology at present, using is long spiral infusion concrete drill hole bore forming technology more widely.Yet also there are a lot of technical problems not as people's will in long spiral infusion concrete drill hole bore forming technology, and the surflaes that needs outward transport is in a large number stacked in first job site, and the pile foundation construction scene is very chaotic; The main weakness of long auger piling method is: carry when boring, its core tube valve be if can not in time open, and collapses in the stake bottom outlet side soil, underground water seepage flow in the stake hole, then causes undergauge, stake end loosened soil, and forming does not have real stake; In addition, can concrete be poured into downwards by drilling tool core pipe continuous uninterrupted, also can only be listened and ridden perception and judgement by constructor's ear usually, needs the constructor that enough construction experiences are arranged.Because of the existence of multiple uncertain factor, cause practice of construction pile foundation bearing capacity to reduce on the one hand, also had a strong impact on pile quality on the other hand.For solving long screw pile end undergauge, loosened soil problem, the Chinese patent technology has also proposed multiple solution, Chinese patent wherein: the patent No. is: 99108024.6, name is called " cast-in-situ method for forming piles by drilling hole and pouring grout ", its technical scheme is at drilling tool lifting forward direction stake end perfusion retarded cement slurries, till the position that the undergauge and the hole danger of collapsing do not take place, drilling tool proposes the back fully and put reinforcing cage in the hole, and concrete perfusion reclaims the retarded cement slurries simultaneously again.Each have their own characteristics of existing various technical scheme and technique effect, but ubiquity complicated operation, construction technology are strict and be difficult to series of technical such as grasp.
Summary of the invention
The breast wall type cast-in-situ bored job practices and the stake machine thereof that are to provide a kind of pile quality height and construction technology to be easy to operate and control technological invention order of the present invention.The disclosed breast wall type cast-in-situ bored job practices technical scheme of patent application of the present invention, its major technique content is: a kind of breast wall type cast-in-situ bored job practices, its processing step is: the stake machine is in place in design stake position, long screw auger tool by axis in the immersed tube creeps into, and start immersed tube sinking actuating unit, when all to the bearing stratum depth of design elevation, begin to promote drilling tool by drilling tool stamen pipe pumping of concrete and prior to immersed tube, make drill bit be positioned at immersed tube all the time and finish pile until concrete pouring.
Realize the stake machine technology scheme of the breast wall type cast-in-situ bored job practices of the present invention, its major technique content is: a kind of breast wall type cast-in-situ bored machine, include a tool bracing frame and a detent mechanism thereof, the stake tool that is supported in a tool bracing frame setting comprises immersed tube and submerged dynamic assembly unit and long screw auger tool and spiral power part thereof, the long screw auger tool moves in it along the immersed tube axis and is provided with, and immersed tube top tube wall is provided with the long screw auger tool and screws out native casting pipe.
Disclosed breast wall type cast-in-situ bored job practices of patent application of the present invention and stake machine technology scheme thereof, by walking the long screw auger tool that is arranged at axis in the hollow immersed tube, promptly overcome the existing soil compaction problem that has a strong impact on pile quality of existing pipe pile settling construction technology as stake hole soil discharger.In the technical program, immersed tube has constituted the retaining wall parts of long screw auger tool perfusion pile operation in fact, in lifting of long screw auger tool and concrete perfusion process, its drilling tool bottom valve can not in time be opened, because the bit part of long screw auger tool is positioned at immersed tube work all the time, the existence of immersed tube has guaranteed that concrete perfusion overcomes stake before and holds the appearance of caving in seepage action of ground water, thereby the loosened soil problem is held in the stake that has thoroughly solved long auger stake technology, and guaranteed the continuously uninterrupted of concrete spouting process, so present technique has the pile quality height, the bearing capacity height, efficient is high and be easy to control, and can shorten the technological merit of construction period greatly.In addition, the machine that the technical program provided has made things convenient for native the concentrating in stake hole to discharge, also directly loaded by load wagon and clear operation, thereby has improved the job site environment greatly.
Description of drawings
Fig. 1 is the overall structure schematic diagram of the breast wall type cast-in-situ bored machine of the present patent application
Fig. 2 and Fig. 3 are respectively the side direction structure chart and the main TV structure figure of Fig. 1 pile frame part.
The specific embodiment
As shown in Figure 1, the disclosed breast wall type cast-in-situ bored machine of the present patent application includes a tool bracing frame 1 and detent mechanism 2 thereof, and stake tool bracing frame 1 is vertically installed on the body 3.The stake tool that is arranged at a tool bracing frame 1 comprises immersed tube 4 and submerged dynamic assembly unit 40 and long screw auger tool 5 and spiral power part 50 thereof, immersed tube submerged dynamic assembly unit 40 wherein can adopt vibration actuating unit or static pressure actuating unit, and what provide in this accompanying drawing structure is the vibration actuating unit.Long screw auger tool 5 moves setting along immersed tube 4 axis in immersed tube, immersed tube 4 top tube walls are provided with long screw auger tool 5 and screw out native casting pipe 6, in the present embodiment, discharge by casting pipe 6 smoothly for making a hole soil, on the immersed tube tube wall interface of casting pipe 6, be provided with the casting vane 60 that drives by long screw auger tool screw thread, by its vane stake hole soil zone gone into casting pipe 6 and discharge.Immersed tube 4 and long screw auger tool 5 traction enhancement mechanisms are the hoist and traction machine structure 7 that is arranged on the body 3.
Realize the breast wall type cast-in-situ bored job practices of the technical program by above-mentioned stake machine.The key step of this breast wall type cast-in-situ bored job practices is: the stake machine is in place in design stake position, start spiral power part 50 and drive long screw auger tool 5, and startup immersed tube submerged dynamic assembly unit 40 sinks to immersed tube 4, long screw auger tool 5 pierces in the process and constantly pipeline sinking pile hole soil is promoted, and, clear by direct loading of load wagon that wait casting pipe below by 6 discharges of casting pipe.After immersed tube 4 and long screw auger tool 5 all reach the bearing stratum depth of design elevation, start high-pressure pump concrete perfusion in the hole.Be fixed drilling tool drill bit place loosened soil, earlier by the plain slurry of spiral drill stamen pipe 51 downward cement injections, consolidation pile end loosened soil, thereafter concrete perfusion again, and begin to promote long screw auger tool 5, the lifting zero-time of immersed tube is later than the long screw auger tool, and make augers be positioned at immersed tube 4 work all the time, finish until concrete pouring, put into reinforcing cage then, last pile is handled.
Claims (4)
1. breast wall type cast-in-situ bored job practices, it is characterized in that its processing step is: the stake machine is in place in design stake position, by creeping into along axis operation long screw auger tool in the immersed tube, and start immersed tube sinking actuating unit, when all to the bearing stratum depth of design elevation, begin to promote drilling tool by drilling tool stamen pipe pumping of concrete and prior to immersed tube, make drill bit be positioned at immersed tube all the time and finish pile until concrete pouring.
2. breast wall type cast-in-situ bored job practices according to claim 1 is characterized in that before the pumping of concrete, by the plain slurry of the downward cement injection of spiral drill stamen pipe, consolidation pile end loosened soil.
3. realize a kind of breast wall type cast-in-situ bored machine of claim 1 job practices, include a tool bracing frame and a detent mechanism thereof, it is characterized in that the stake tool that is supported in a tool bracing frame setting comprises immersed tube (4) and submerged dynamic assembly unit (40) and long screw auger tool (5) and spiral power part (50) thereof, long screw auger tool (5) moves in it along the immersed tube axis and is provided with, and immersed tube top tube wall is provided with the long screw auger tool and screws out native casting pipe (6).
4. breast wall type cast-in-situ bored machine according to claim 3 is characterized in that being provided with the casting vane (60) that is driven by long screw auger tool screw thread on the immersed tube tube wall interface of casting pipe (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100104763A CN101245597A (en) | 2007-02-16 | 2007-02-16 | Breast wall type cast-in-situ bored pile construction method and pile machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100104763A CN101245597A (en) | 2007-02-16 | 2007-02-16 | Breast wall type cast-in-situ bored pile construction method and pile machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101245597A true CN101245597A (en) | 2008-08-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CNA2007100104763A Pending CN101245597A (en) | 2007-02-16 | 2007-02-16 | Breast wall type cast-in-situ bored pile construction method and pile machine |
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| CN (1) | CN101245597A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102002941A (en) * | 2010-10-21 | 2011-04-06 | 李贵堂 | Large-aperture long screw rig, reinforcement cage concreting device and fabricating method of large-aperture deep pile |
| CN102605771A (en) * | 2012-04-01 | 2012-07-25 | 贺德新 | Construction method for drilling cast-in-place concrete pipe pile and drilling tool for concrete pipe pile |
| CN103161156A (en) * | 2013-03-27 | 2013-06-19 | 孔超 | Threaded grouting pile enabling pipeline sinking and rotary excavating earth borrowing to be synchronous |
| CN106801579A (en) * | 2017-03-08 | 2017-06-06 | 李文新 | A kind of arc square forming pile equipment of municipal civil engineering |
| CN106869775A (en) * | 2017-03-08 | 2017-06-20 | 李文新 | A kind of arc pile auger of municipal pile foundation engineering |
-
2007
- 2007-02-16 CN CNA2007100104763A patent/CN101245597A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102002941A (en) * | 2010-10-21 | 2011-04-06 | 李贵堂 | Large-aperture long screw rig, reinforcement cage concreting device and fabricating method of large-aperture deep pile |
| CN102002941B (en) * | 2010-10-21 | 2012-07-11 | 李贵堂 | Large-aperture long screw rig, reinforcement cage concreting device and fabricating method of large-aperture deep pile |
| CN102605771A (en) * | 2012-04-01 | 2012-07-25 | 贺德新 | Construction method for drilling cast-in-place concrete pipe pile and drilling tool for concrete pipe pile |
| CN103161156A (en) * | 2013-03-27 | 2013-06-19 | 孔超 | Threaded grouting pile enabling pipeline sinking and rotary excavating earth borrowing to be synchronous |
| CN106801579A (en) * | 2017-03-08 | 2017-06-06 | 李文新 | A kind of arc square forming pile equipment of municipal civil engineering |
| CN106869775A (en) * | 2017-03-08 | 2017-06-20 | 李文新 | A kind of arc pile auger of municipal pile foundation engineering |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
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Open date: 20080820 |