CN101974905B - Pile-embedding method for hollow pile and auger drill for implementing same - Google Patents
Pile-embedding method for hollow pile and auger drill for implementing same Download PDFInfo
- Publication number
- CN101974905B CN101974905B CN 201010515147 CN201010515147A CN101974905B CN 101974905 B CN101974905 B CN 101974905B CN 201010515147 CN201010515147 CN 201010515147 CN 201010515147 A CN201010515147 A CN 201010515147A CN 101974905 B CN101974905 B CN 101974905B
- Authority
- CN
- China
- Prior art keywords
- pile
- hollow pile
- auger
- soil
- hollow
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Earth Drilling (AREA)
Abstract
The invention relates to a pile-embedding method for a hollow pile. The pile-embedding method comprises the following steps of: hoisting the hollow pile to a pile-embedding position and hanging the hollow pile vertical to the ground; penetrating a central through hole of the hollow pile from top to bottom by using an auger drill with a reamer bit to reach the ground and starting to drill and carry soil; after the reamer bit is extended to the underground, carrying soil and expanding the reamer bit at the same time; along with the deep penetration of the drilling and soil-carrying operation, conveying the soil by using the auger drill; and embedding the hollow pile into the drill hole gradually until the hollow pile reaches to the set depth. The invention also provides the auger drill for implementing the pile-embedding method. Due to the construction by the auger drilling, soil-carrying and pile-embedding method, the problems of difficult soil extrusion in the pile-embedding process and difficult pile-embedding operation on hard-soil foundation can be solved; the project schedule is accelerated; the quality of the pile body is guaranteed; and adverse influence of construction on the ambient environment is reduced to a maximum degree.
Description
Technical field
The invention belongs to the realm of building construction, relate to the auger that the building pile foundation site operation is planted piling method and implemented the method, the method can effectively solve the problems such as soil compaction effect, pan soil matter, noise, environment pollution.
Background technology
At present at the construction field (site), planting a mode mainly is hammering and static pressure.Stake is planted in hammering, static pressure method is planted the model that the condition that all will consider the ground soil property is selected finished peg.
(comprise immersed tube and tube drawing) in traditional work progress because the exciting of stake machine makes the soil body of stake point produce vibration, and propagates take the soil body as medium to periphery, thereby excite the vibrations of surrounding building.When vibrations surpass certain limit, will have a negative impact to surrounding environment, jeopardize the stability and security of Adjacent Buildings and underground pipeline facility etc., disturb resident's normal operation and life, and may cause some contradictions, construction costs and progress are caused adverse effect.
When silent piling, pile body is by in the rapid injection soil, pile peripheral earth is extruded simultaneously, when pile top directly substantially exceeds soil body ultimate strength to the impact force of the soil body, the power of original balance system is failure in the pile peripheral earth, cause the new balance after total stress increases in the soil, and this total stress almost all is converted into pore water pressure, form excess pore water pressure, according to the actual test result in scene, this excess pore water pressure value can reach heavy 2～4 times of upper strata earthing, the soil body is under this pressure-acting, produce vertically upward the protuberance displacement and the soil compaction displacement of horizontal direction, land movement and horizontal range that excess pore water pressure causes are inversely proportional to, and are directly proportional with vertical depth.Because the transmission coefficient in the saturated clay is very little, excess pore water pressure dissipates very slow, sometimes reaches the several months.Adjacent building in the excess pore water pressure influence basin, structure and underground utilities, owing to the displacement deformation of the vertical protuberance of basic earth and side direction soil compaction causes damaging, and distance is nearer, and harm is larger.
Summary of the invention
The technical problem to be solved in the present invention provides planting piling method and implementing the auger of the method for a kind of hollow pile, to reduce or to avoid problem noted earlier.
A kind of hollow pile of the present invention plant piling method, this hollow pile has a central through hole along its length direction, the method comprises the steps:
Described hollow pile is lifted on plants a position and vertically be suspended on the ground;
The auger that will have reaming bit penetrates the central through hole of described hollow pile from top to bottom and arrives at ground and begins boring extracting soil, and reaming bit was in and closed up state this moment;
After described reaming bit stretches into underground, in the operation of fetching earth, launch described reaming bit, the diameter of boring was greater than the vertical outline of described hollow pile after described reaming bit launched;
Along with boring extracting soil deepens continuously, the soil that drills through is along with auger is carried up, with described hollow pile gradually in the implant bore, until described hollow pile reaches till the set depth.
Preferably, after described hollow pile reaches set depth, build enlarged footing by the hollow drill pipe of described auger in described foot of hole injection.
Preferably, after described enlarged footing was built and finished, the gunite in the central through hole of described boring and described hollow pile of the hollow drill pipe by described auger until cement paste reaches till the height of setting, promoted auger afterwards.
Preferably, water filling in the central through hole of hollow pile in the process that described auger promotes.
Preferably, the pile extension step that further comprises many hollow piles in the process planting of described hollow pile.
Above-mentioned hollow pile preferably passes through the heating and cooling surface maintenance, concrete grammar is as follows: surface conditioning agent of the present invention is coated on interior recess, leave standstill 16-18 hour (preferred 17 hours), programming rate be 15～35 ℃/h (preferred 25 ℃/h), constant temperature phase temperature range is 85～95 ℃ (preferred 90 ℃), constant temperature time 13～15 hours (preferred 14 hours), cooling rate be 10～30 ℃/h (preferred 20 ℃/h); Wherein,
Described surface conditioning agent dry weight component by weight preferred proportioning is: 0.005 part of cellulose ether, 0.01 part in methyl hydroxyethylcellulose ether, 15 parts of sodium alginates, 5 parts of DBSAs, 3 parts of sulfo-succinic acids, 7 parts in graphite, 100 parts of inserts French chalk add 1～2 times of mixing and stirring of water by mixed weight portion.
Coating thickness should be can cover the surface as basic demand fully, and the thickness of coating is no more than 1 centimetre, and preferred thickness is 0.1-0.3 centimetre.The source is business procurement, and commercial grade can reach requirement of the present invention, and above-mentioned component all comes from commercial the purchase and obtains.
Deployable and the close up reaming bit that above-mentioned auger comprises the drilling rod of a hollow and is arranged at described drill rod end.
Above-mentioned reaming bit comprises a rigid connector that is fixedly connected on described drilling rod end, a mobilizable nonrigid connector, an oil cylinder, a plurality of curved booms, a plurality of straight-arms and a drill bit that is fixedly connected with described oil cylinder; Wherein, an end of described straight-arm connects described rigid connector, and the middle part of described straight-arm connects described nonrigid connector by described curved boom; Described nonrigid connector is enclosed within the outside of described oil cylinder and can drives it by described oil cylinder and moves up and down.
Above-mentioned drill bit is hollow structure, is evenly distributed with a plurality of spray-holes around described drill bit.
Above-mentioned oil cylinder comprises a cylinder body and an extrusome, the through hole that has a hollow in the middle of described cylinder body and the described extrusome, and described nonrigid connector is enclosed within on the described extrusome, and is fixedly connected with described extrusome;
Wherein, described oil cylinder outer setting has a protective cover for oil tank; described protective cover for oil tank has the space of a spill; its center has a pod apertures; the inwall of described pod apertures can stretch in the through hole of described oil cylinder; described protective cover for oil tank is fixedly connected with the cylinder body of described oil cylinder, and the described protective cover for oil tank outside has flange, and described flange is fixedly connected with described rigid connector.
Be described in detail as follows:
For solving the problems of the technologies described above, the present invention proposes a kind of piling method of planting of hollow pile, this hollow pile has a central through hole along its length direction, and the method comprises the steps:
Described hollow pile is lifted on plants a position and vertically be suspended on the ground;
The auger that will have reaming bit penetrates the central through hole of described hollow pile from top to bottom and arrives at ground and begins boring extracting soil, and reaming bit was in and closed up state this moment;
After described reaming bit stretches into underground, in the operation of fetching earth, launch described reaming bit, the diameter of boring was greater than the vertical outline of described hollow pile after described reaming bit launched;
Along with boring extracting soil deepens continuously, the soil that drills through is along with auger is carried up, with described hollow pile gradually in the implant bore, until described hollow pile reaches till the set depth.
Preferably, after described hollow pile reaches set depth, build enlarged footing by the hollow drill pipe of described auger in described foot of hole injection.
Preferably, after described enlarged footing was built and finished, the gunite in the central through hole of described boring and described hollow pile of the hollow drill pipe by described auger until cement paste reaches till the height of setting, promoted auger afterwards.
Preferably, water filling in the central through hole of hollow pile in the process that described auger promotes.
Preferably, the pile extension step that further comprises many hollow piles in the process planting of described hollow pile.
The present invention also provides a kind of auger that this plants piling method of implementing, deployable and the close up reaming bit that described auger comprises the drilling rod of a hollow and is arranged at described drill rod end.
Preferably, described reaming bit comprises a rigid connector that is fixedly connected on described drilling rod end, a mobilizable nonrigid connector, an oil cylinder, a plurality of curved booms, a plurality of straight-arms and a drill bit that is fixedly connected with described oil cylinder; Wherein, an end of described straight-arm connects described rigid connector, and the middle part of described straight-arm connects described nonrigid connector by described curved boom; Described nonrigid connector is enclosed within the outside of described oil cylinder and can drives it by described oil cylinder and moves up and down.
Preferably, described drill bit is hollow structure, is evenly distributed with a plurality of spray-holes around described drill bit.
Preferably, described oil cylinder comprises a cylinder body and an extrusome, the through hole that has a hollow in the middle of described cylinder body and the described extrusome, and described nonrigid connector is enclosed within on the described extrusome, and is fixedly connected with described extrusome.
Preferably; described oil cylinder outer setting has a protective cover for oil tank; described protective cover for oil tank has the space of a spill; its center has a pod apertures; the inwall of described pod apertures can stretch in the through hole of described oil cylinder; described protective cover for oil tank is fixedly connected with the cylinder body of described oil cylinder, and the described protective cover for oil tank outside has flange, and described flange is fixedly connected with described rigid connector.
Adopt auger boring of the present invention to fetch earth to plant the piling method construction can solve to plant in the process soil compaction and hard earthen foundation to plant a difficult problem, speed up the work, guarantee pile quality, minimizing is constructed to the adverse effect of surrounding environment to greatest extent.
The piling method easy construction of planting of the present invention; processing ease; and will arrange Squeezing Soil Pile and be improved as low row's Squeezing Soil Pile; reduce super interstitial hydraulic pressure rising and uplift of soil and displacement; thereby got rid of when planting adjacent structure; road; the harmful effects such as structure; revolve and dig brill and can reduce the reaming coefficient; be adapted to soil layer and soft rock; solved the difficulty of construction under the specified conditions that pass through hard folder soil layer etc.; the external protection of the simultaneously slurry of pressure injection formation can strengthen the shearing resistance of finished peg; anti-impact force; high-durability; the performances such as friction factor are used the useless slurry in the finished peg production, the secondary pollution that does not produce muddy water.
Description of drawings
The following drawings only is intended to the present invention done and schematically illustrates and explain, not delimit the scope of the invention.Wherein,
Fig. 1 shows is the enforcement schematic diagram of planting piling method according to a kind of hollow pile of a specific embodiment of the present invention;
Fig. 2 shows is decomposition diagram according to the auger of a specific embodiment of the present invention;
What Fig. 3 showed is the decomposition diagram of the reaming bit among Fig. 2;
Fig. 4 shows is use figure under the auger rounding state shown in Figure 2;
Fig. 5 shows is use figure under the auger deployed condition shown in Figure 2;
What Fig. 6 showed is the sectional view of protective cover for oil tank shown in Figure 2;
What Fig. 7 showed is the sectional view of drill bit shown in Figure 2.
The specific embodiment
Understand for technical characterictic of the present invention, purpose and effect being had more clearly, now contrast description of drawings the specific embodiment of the present invention.Wherein, identical parts adopt identical label.
Fig. 1 shows is the enforcement schematic diagram of planting piling method according to a kind of hollow pile of a specific embodiment of the present invention, as shown in the figure, the piling method of planting according to the present invention is implemented mainly for hollow pile, wherein, this hollow pile 1 has a central through hole 11 along its length direction, hollow pile shown in the figure 1 is hollow square pile, certainly, those skilled in the art are to be understood that, this hollow pile 1 can also be a kind of pile tube, perhaps can be the hollow pile of any one section form, such as special-shaped hollow pile etc.
The piling method of planting of the present invention comprises the steps:
The setting-out fixed pile is accurately reserved the stake position and is put a site in the job site of smooth densification, carry out sign.Hollow pile 1 is lifted on plants a position and vertically being suspended on the ground.
The auger 2 that will have reaming bit 21 penetrates the central through hole 11 of hollow pile 1 from top to bottom and arrives at ground and begins boring extracting soil, and reaming bit was in and closed up state this moment.The auger with reaming bit 21 2 of herein using can be any auger that can be used for ream operation.
After reaming bit 21 stretches into underground, in the operation of fetching earth, launch reaming bit 21, as shown in Figure 1, at this moment, the diameter of boring 3 was greater than the vertical outline of hollow pile 1 after reaming bit 21 launched.
Along with boring extracting soil deepens continuously, the soil that drills through is along with auger 2 is carried, with hollow pile 2 gradually in the implant bore 3, until hollow pile 2 reaches till the set depth, namely boring extracting soil with plant a step and carry out simultaneously.
In another specific embodiment of the present invention, can after 2 constructions of first hollow pile, hang in second hollow pile, the two is connect to obtain the hollow pile of Len req.
In addition, after the degree of depth that gets into design, stop, shrinking reaming bit 21, measure hole depth, aperture, confirm that pile top reaches design elevation.The pile top end can also further carry out the build of enlarged footing after arriving the prescribed depth of supporting layer.For example, can build enlarged footing at boring 3 base injcctions by the hollow drill pipe of auger 2.Certainly, it will be appreciated by those skilled in the art that also and can after boring, auger 2 be taken out, then utilize other instrument to build enlarged footing.In a specific embodiment, can eject water under high pressure from the Bidirectional nozzle of auger, carry out the excavation of supporting layer, the rotation of auger switches to low speed, make root fixer (cement paste) from the both direction high-pressure injection, promote lentamente auger simultaneously, build enlarged footing.Then the also gunite in the hollow part of hollow pile till the height of regulation, promotes auger, the end of job that the napiform root of position, pile top end is built.Fixedly starch by spray position, pile top end makes pile body be connected with enlarged footing, thereby obtains larger holding power.
Further, can also inject deployed mud by pressure grouting technology of pile tip, it be mixed, until specified altitude with remaining earth material.Slip casing by pressure can make slurry be enclosed in hollow part and the external surface of finished peg, and stir repeatedly on marginal not slurry limit, treats gradually setting and hardening of cement paste, to improve bearing capacity and the erosion-resisting ability of shock resistance of stake.Mud also can adopt the useless slurry in the process that manufactures a finished product, and the problem that has not only solved useless slurry pollution can also be saved departmental cost.
Cause spherical support end structural damage for avoiding underground water to enter under pressure central through hole, the limit is toward the water filling of central through hole internal diameter, and the limit promotes auger, and construction finishes.
Do not rise to simultaneously in the central through hole in the cement paste of sclerosis fully for avoiding underground water in the soil body to enter under pressure also, this process can cause spherical support end structural damage under effect of water pressure, therefore in central through hole water filling to keep pressure balance.In addition, in the boring extracting soil process, should guarantee borehole perpendicularity, make hole body gradient in allowed band, to guarantee during pile extension that stake is on same axis up and down, joint connects and must carry out in strict accordance with operation requirements, guarantees that pile driving pressure and stake end enter bearing stratum depth and all meet designing requirement when planting.
It is a kind of be used to implementing above-mentioned auger of planting piling method that the present invention also provides, as shown in Figure 2, its demonstration be decomposition diagram according to the auger 2 of a specific embodiment of the present invention, deployable and the close up reaming bit 21 that this auger 2 comprises the drilling rod 22 of a hollow and is arranged at drilling rod 22 ends.
What Fig. 3 showed is the amplification decomposition diagram of reaming bit 21, as shown in the figure, reaming bit 21 comprises a rigid connector 211 that is fixedly connected on drilling rod 22 ends by the bolt (not shown), a mobilizable nonrigid connector 213, an oil cylinder 212, a plurality of curved booms 214 and a plurality of straight-arm 215 and a drill bit 216 that is fixedly connected with by the bolt (not shown) with described oil cylinder 212; Wherein, the number of curved boom 214 is the twice of the number of straight-arm 215; One end of described straight-arm 215 connects described rigid connector 211, and the middle part of described straight-arm 215 connects described nonrigid connector 213 by described curved boom 214; Described nonrigid connector 213 is enclosed within the outside of described oil cylinder 212 and can drives it by described oil cylinder 212 and moves up and down.
Specifically, comprise three shown in Fig. 3 around drill bit 216 equally distributed straight-arms 215,215 pairs of each straight-arms should have two curved booms 214 that are connected with its middle part.Drill bit 216 has three breach 2161 corresponding to the position at straight-arm 215 places, is used in the time of straight-arm 215 gathering 2161 (as shown in Figure 4) of retraction breach, to reduce the size of reaming bit 21 as far as possible.Be provided with a plurality of hocks that stretch out to the inside 2151 on the straight-arm 215, be used for when straight-arm 215 launches, improving the cutting force to soil layer.
For protection oil cylinder 212 does not contact with cement etc., a protective cover for oil tank 217 can also be set, referring to Fig. 6 sectional view in oil cylinder 212 outsides in drilling rod 22.Protective cover for oil tank 217 has the space of a spill, and its center has a pod apertures 2171, and the inwall 2172 of pod apertures 2171 can stretch in the through hole 2123 of oil cylinder 212, and the movable part with protection oil cylinder 212 makes it not contact cement paste.After protective cover for oil tank 217 covers on the oil cylinder 212, can protective cover for oil tank 217 be fixedly connected with the cylinder body 2121 of oil cylinder 212 by modes such as welding.Protective cover for oil tank 217 outsides have flange 2173, and flange perimeter has connecting hole 2174, are used for being fixedly connected with rigid connector 211 by bolt.On protective cover for oil tank 217 outer walls oil pipe hole 2175 is set also.The oil pipe (not shown) of control oil cylinder 212 is passed and is passed oil pipe hole 2175 after the cavity of drilling rod 22 and link to each other with oil cylinder 212, with stretching by oil pipe control oil cylinder 212.Also be provided with the buckle of fixing described oil pipe in the cavity of drilling rod 22.
When using, as shown in Figure 4, the extrusome 2122 of oil cylinder 212 is retracted, and drives nonrigid connector 213 and moves upward, so that straight-arm 215 draws in breach 2161 by curved boom 214.When needs straight-arm 215 launched, the extrusome 2122 of oil cylinder 212 stretched out, and drove nonrigid connector 213 and moved downward, and launched thereby drive straight-arm 215 by curved boom 214.
In mining process, by the drilling rod 22 of hollow, the pod apertures 2171 of protective cover for oil tank 217, the through hole 2123 of oil cylinder 212 and the drill bit 216 of hollow, can be to boring 3 interior injected water mud, inject high pressure water etc.
The above only is the schematic specific embodiment of the present invention, is not to limit scope of the present invention.Any those skilled in the art, the equivalent variations of doing under the prerequisite that does not break away from design of the present invention and principle, modification and combination all should belong to the scope of protection of the invention.
Claims (5)
- A hollow pile plant piling method, this hollow pile has a central through hole along its length direction, the method comprises the steps:Described hollow pile is lifted on plants a position and vertically be suspended on the ground;The auger that will have reaming bit penetrates the central through hole of described hollow pile from top to bottom and arrives at ground and begins boring extracting soil, and reaming bit was in and closed up state this moment;After described reaming bit stretches into underground, in the operation of fetching earth, launch described reaming bit, the diameter of boring was greater than the vertical outline of described hollow pile after described reaming bit launched;Along with boring extracting soil deepens continuously, the soil that drills through is along with auger is carried up, with described hollow pile gradually in the implant bore, until described hollow pile reaches till the set depth;Wherein, described hollow pile is through the heating and cooling surface maintenance, concrete grammar is as follows: the interior recess that surface conditioning agent is coated on hollow pile, left standstill 16-18 hour, programming rate is 15～35 ℃/h, constant temperature phase temperature range is 85～95 ℃, constant temperature time 13～15 hours, and cooling rate is 10～30 ℃/h; Wherein,Described surface conditioning agent dry weight component proportioning by weight is: 0.005 part of cellulose ether, 0.01 part in methyl hydroxyethylcellulose ether, 15 parts of sodium alginates, 5 parts of DBSAs, 3 parts of sulfo-succinic acids, 7 parts in graphite, 100 parts of inserts French chalk add 1～2 times of mixing and stirring of water by mixed weight portion;Coating thickness should be can cover the surface as basic demand fully, and the thickness of coating is no more than 1 centimetre, and thickness is 0.1-0.3 centimetre; The source is business procurement, and commercial grade can reach requirement, and above-mentioned component all comes from commercial the purchase and obtains.
- 2. the piling method of planting according to claim 1 is characterized in that, after described hollow pile reaches set depth, builds enlarged footing by the hollow drill pipe of described auger in described foot of hole injection.
- 3. the piling method of planting according to claim 2, it is characterized in that, after described enlarged footing is built and is finished, the gunite in the central through hole of described boring and described hollow pile of the hollow drill pipe by described auger, until cement paste reaches till the height of setting, promote afterwards auger.
- 4. the piling method of planting according to claim 3 is characterized in that, water filling in the central through hole of hollow pile in the process that described auger promotes.
- 5. one of according to claim 1-4 the described piling method of planting is characterized in that, the pile extension step that further comprises many hollow piles in the process planting of described hollow pile.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010515147 CN101974905B (en) | 2010-10-22 | 2010-10-22 | Pile-embedding method for hollow pile and auger drill for implementing same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010515147 CN101974905B (en) | 2010-10-22 | 2010-10-22 | Pile-embedding method for hollow pile and auger drill for implementing same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101974905A CN101974905A (en) | 2011-02-16 |
| CN101974905B true CN101974905B (en) | 2013-04-24 |
Family
ID=43574808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010515147 Expired - Fee Related CN101974905B (en) | 2010-10-22 | 2010-10-22 | Pile-embedding method for hollow pile and auger drill for implementing same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101974905B (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102383429B (en) * | 2011-01-18 | 2016-08-10 | 上海城地建设股份有限公司 | Digging pile-sinking device in the middle of a kind of heavy caliber pile tube |
| CN102373708B (en) * | 2011-02-23 | 2016-03-02 | 上海城地建设股份有限公司 | Anchor method prestressed centrifugally pile tube and square sunk pile device and pile-sinking method thereof are drawn in middle pick |
| CN103243713A (en) * | 2013-05-07 | 2013-08-14 | 天津建城基业集团有限公司 | Method for planting prestressed pipe pile at one step |
| JP6408833B2 (en) * | 2014-08-28 | 2018-10-17 | 株式会社技研製作所 | Square pillar pile |
| CN106245528A (en) * | 2016-08-17 | 2016-12-21 | 王文龙 | Detritus cutter |
| CN112343501A (en) * | 2020-11-04 | 2021-02-09 | 张静 | Pile driver is used in road bridge construction |
| CN115125942B (en) * | 2022-07-22 | 2023-05-26 | 广东省源天工程有限公司 | Steel-pipe pile foundation strengthening mechanism |
| CN115191207A (en) * | 2022-08-25 | 2022-10-18 | 东北电力大学 | Integrated multi-functional full-automatic running gear who plants trees |
| CN117108207B (en) * | 2023-10-24 | 2024-01-26 | 烟台鲁东勘察测绘有限公司 | Automatic reaming device for geotechnical engineering investigation |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR522339A (en) * | 1920-08-12 | 1921-07-29 | Mac Arthur Concrete Pile & Fou | Improvements in the method of forming concrete piles |
| US3184924A (en) * | 1961-05-31 | 1965-05-25 | Staunau Heinz | Method of forming concrete pile in situ |
| WO2000017454A1 (en) * | 1998-09-09 | 2000-03-30 | Edvin Lindell | Method of approach for soil reinforcement foudation or soil anchorage and advise to realise the method |
| CN1373282A (en) * | 2001-08-29 | 2002-10-09 | 汉机钻岩机械有限公司 | Combined drilling and digging tool for straight hole and hole expansion |
| CN1685113A (en) * | 2002-09-30 | 2005-10-19 | 三谷石产株式会社 | Internal excavation method through pile, and foundation pile structure |
| CN1818322A (en) * | 2006-03-09 | 2006-08-16 | 黑龙江博施建筑工程技术开发有限公司 | Pouring pore expander |
| CN2885936Y (en) * | 2005-10-28 | 2007-04-04 | 上海中技桩业发展有限公司 | Prestressed high-strength pile |
| CN101544022A (en) * | 2009-04-15 | 2009-09-30 | 李国华 | Preparation method for preformed hole fender pile |
-
2010
- 2010-10-22 CN CN 201010515147 patent/CN101974905B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR522339A (en) * | 1920-08-12 | 1921-07-29 | Mac Arthur Concrete Pile & Fou | Improvements in the method of forming concrete piles |
| US3184924A (en) * | 1961-05-31 | 1965-05-25 | Staunau Heinz | Method of forming concrete pile in situ |
| WO2000017454A1 (en) * | 1998-09-09 | 2000-03-30 | Edvin Lindell | Method of approach for soil reinforcement foudation or soil anchorage and advise to realise the method |
| CN1373282A (en) * | 2001-08-29 | 2002-10-09 | 汉机钻岩机械有限公司 | Combined drilling and digging tool for straight hole and hole expansion |
| CN1685113A (en) * | 2002-09-30 | 2005-10-19 | 三谷石产株式会社 | Internal excavation method through pile, and foundation pile structure |
| CN2885936Y (en) * | 2005-10-28 | 2007-04-04 | 上海中技桩业发展有限公司 | Prestressed high-strength pile |
| CN1818322A (en) * | 2006-03-09 | 2006-08-16 | 黑龙江博施建筑工程技术开发有限公司 | Pouring pore expander |
| CN101544022A (en) * | 2009-04-15 | 2009-09-30 | 李国华 | Preparation method for preformed hole fender pile |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101974905A (en) | 2011-02-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101974905B (en) | Pile-embedding method for hollow pile and auger drill for implementing same | |
| WO2018210019A1 (en) | Pile formation method for down-the-hole impact rotary jet composite piles | |
| CN102943466A (en) | Construction method for miniature steel pipe concrete pile to penetrate through roadbed layer for reinforcing soft foundation construction | |
| US20090269146A1 (en) | Method for Construction of Piles and Caissons and Soil Improvement by Using Rubber Hoses | |
| US9512586B2 (en) | Soil densification system and method | |
| CN105672307A (en) | Expanded-base combination end pile bearing foundation | |
| CN103061341B (en) | Middle pick pile sinking construction method | |
| CN102808407B (en) | Construction method of soft-foundation reinforced concrete cast-in-place pile | |
| CN104711975B (en) | Construction technology for long spiral cast-in-situ bored pile | |
| KR101029508B1 (en) | Deep cement mixing method equipment for weak soil stabilization and method | |
| CN207484290U (en) | The hollow clump of piles anchorage of super-large diameter | |
| CN105714832B (en) | A kind of large size prefabricated building enclosure of deep basal pit and construction method | |
| CN209339143U (en) | A kind of concrete pipe pile construction equipment | |
| CN106759296A (en) | Drainable irregular-section bamboo joint pipe pile and root planting type construction method thereof | |
| CN201406687Y (en) | Deep foundation pit supporting structure | |
| CN110273413A (en) | A kind of efficient construction method of prefabricated pile | |
| CN112343051B (en) | Method for rotary digging implantation pile sinking in high backfill region | |
| CN109339044A (en) | A kind of concrete pipe pile construction equipment | |
| CN205399410U (en) | Dig first slip casting club -footed pile of drilling soon | |
| CN104294817B (en) | The construction method of concrete-pile | |
| CN208472721U (en) | A kind of anchor pole constructed in loose media stratum using hand air drill | |
| CN102359107B (en) | Stiffening pile for reclaiming reinforcing body | |
| CN202323934U (en) | Hole forming device for cast-in-situ triangular composite foundation pile | |
| KR100609335B1 (en) | Construction method of stiffener into the earth | |
| CN105887812B (en) | A kind of single casing construction method of static pressure, immersed tube carrier bored concrete pile |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice | ||
| DD01 | Delivery of document by public notice |
Addressee: Shanghai Zhongji Pile Industry Co., Ltd. Document name: Notification to Pay the Fees |
|
| DD01 | Delivery of document by public notice | ||
| DD01 | Delivery of document by public notice |
Addressee: Shanghai Zhongji Pile Industry Co., Ltd. Document name: Notification of Termination of Patent Right |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130424 Termination date: 20181022 |