CN102966094B - Method for constructing concrete pile through rotary excavating and pressure irrigation - Google Patents
Method for constructing concrete pile through rotary excavating and pressure irrigation Download PDFInfo
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- CN102966094B CN102966094B CN201210542726.9A CN201210542726A CN102966094B CN 102966094 B CN102966094 B CN 102966094B CN 201210542726 A CN201210542726 A CN 201210542726A CN 102966094 B CN102966094 B CN 102966094B
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- drilling rod
- pile
- rotary excavating
- concrete
- digging machine
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- 238000000034 method Methods 0.000 title abstract description 4
- 230000002262 irrigation Effects 0.000 title abstract 4
- 238000003973 irrigation Methods 0.000 title abstract 4
- 238000005553 drilling Methods 0.000 claims abstract description 58
- 238000010276 construction Methods 0.000 claims abstract description 23
- 241000406668 Loxodonta cyclotis Species 0.000 claims description 22
- 230000003014 reinforcing effect Effects 0.000 claims description 11
- 239000003818 cinder Substances 0.000 claims description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 244000261422 Lysimachia clethroides Species 0.000 claims description 7
- 230000010412 perfusion Effects 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 6
- 239000013049 sediment Substances 0.000 claims description 5
- 239000002689 soil Substances 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 239000002893 slag Substances 0.000 abstract description 7
- 230000002787 reinforcement Effects 0.000 abstract 3
- 230000001360 synchronised effect Effects 0.000 abstract 1
- 230000004888 barrier function Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000004927 clay Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
Landscapes
- Earth Drilling (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention relates to a method for constructing a concrete pile through rotary excavating and pressure irrigation, which is characterized by comprising the following steps: employing a rotary excavating driller for construction, lifting a rotary excavating drilling bucket after drilling a pile hole with a preset depth, and placing a multi-functional slag removing barrel at the bottom of the pile hole for slag removal; after slag removal at the bottom of the pile hole is complete, rotating the multi-functional slag removing barrel for half a circle so that a concrete output valve at the bottom of the multi-functional slag removing barrel is open, and lifting a rotary excavating drilling rod slowly while pressure-irrigating concrete in the pile hole by a concrete convey pipe arranged in the rotary excavating drilling rod and performing synchronous self-expansion along with the rotary excavating drilling rod; and lifting a reinforcement cage and inserting the reinforcement cage into the pile through dead weight of the reinforcement cage and a vibrator. By the adoption the invention, drilling and slag removal of the pile foundation, irrigation and pile forming are integrated, overcoming the disadvantage that for rotary excavating and pressure irrigation of a pile in the prior art, a plurality of complicate and hard-to-control measures need to be taken for preventing settlement overproof, effectively controlling the project quality of a pile rotary excavating machine, greatly improving construction speed and benefits, and filling up an empty filed in the pile industry in China.
Description
Technical field
The present invention relates to a kind of Spiral digging machine construction method, be specifically related to one and revolve and dig guncreting pile construction method.
Background technology
Current domestic Spiral digging machine generally can only be holed, can not guncreting, after Spiral digging machine boring, drilling rod must be proposed, and put into reinforcing cage, otherwise just cannot concrete perfusion.Revolve and dig the multinomial complexity that castinplace pile takes in order to prevent sediment from exceeding standard and don't hold manageable measure, and the scarfing cinder time that need to be longer, engineering cost increased, so existing Spiral digging machine drilling rod has seriously restricted the development of pile foundation industry.
The multi-functional residue-removing cylinder (CN201220456767.1) of applicant invention, it is provided with the steel pipe with hollow duct for fluid concrete in former residue-removing cylinder inside, it is connected with drilling rod, there is concrete outlet valve in residue-removing cylinder bottom design simultaneously, in the time that drilling rod clockwise rotates, concrete outlet is closed automatically, residue-removing cylinder carries out scarfing cinder operation by shoveling native plate, and in the time that drilling rod rotates counterclockwise, concrete outlet is automatically opened and carried out concrete pressure filling operation.Effectively having solved residue-removing cylinder can only scarfing cinder, technical barrier that can not concrete perfusion.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of speed of application is fast, workmanship is high one and revolves and dig guncreting pile construction method.
For solving above technical problem, technical scheme of the present invention is: one is revolved and dug guncreting pile construction method, it is characterized in that comprising the following steps:
The 1st step: adopt rotary drilling rig construction, be drilled into a predetermined stake hole depth, then propose rotary drilling digger, change multi-functional residue-removing cylinder and put into a bottom, hole and carry out scarfing cinder construction;
The 2nd step: after bottom, stake hole sediment cleans out, reversion half-turn is opened the concrete output valve of multi-functional residue-removing cylinder bottom, slowly mention on one side rotary drill rod, in stake hole, press concrete perfusion by synchronize the elephant trunk of self extending activity in rotary drill rod with Spiral digging machine drilling rod on one side;
The 3rd step: hang in reinforcing cage, utilize reinforcing cage deadweight and vibrator that reinforcing cage is inserted in stake.
Described Spiral digging machine drilling rod can self extending by different-diameter drilling rod be socketed and form from inside to outside, wherein the drilling rod of diameter minimum is connected with Spiral digging machine gooseneck portion pulley by rotatable parts and wire rope, the drilling rod top movable of described diameter minimum is connected with synchronizes the elephant trunk of self extending activity with drilling rod, bottom is provided with the square joint being connected with rotary drilling digger.
Described elephant trunk is socketed and forms from inside to outside by the pipeline of different-diameter, wherein the elephant trunk top of diameter minimum is fixed on Spiral digging machine gooseneck portion, and wherein the elephant trunk of diameter maximum bottom is provided with the rotatable parts that are connected with the drilling rod top movable of diameter minimum.
In described square joint, be provided with band hollow duct.
Each pipe joint road outer setting finite place piece of described elephant trunk, bottom is provided with the block piece matching with locating part.
Described locating part is arranged on the place apart from block piece 20～40cm.
Between described locating part and block piece, be provided with the seal that prevents that concrete from flowing backwards.
The width of described locating part and block piece is the semidiameter between each pipe joint road.
The present invention has rewritten rotary drilling rig, can only hole can not guncreting fall behind historical, realize the boring of pile foundation, scarfing cinder, perfusion, pile institutional operation, guarantee the sedimentation quality of Spiral digging machine, effectively control the workmanship of rotary pile-digging machine, the multinomial safeguard procedures that former rotary drilling rig is taked in order to prevent sediment from exceeding standard are deducted, speed of application and benefit are significantly improved, solved technical code for building pile foundation JGJ 94-2008 " in adopt after rotary drilling rig pore-forming concrete perfusion again described in 6.3.25 chapters and sections, the multinomial unmanageable technical barrier that can cause, fill up a blank of China's pile foundation industry.
Brief description of the drawings
Fig. 1 is construction sequence figure of the present invention;
Fig. 2 is Spiral digging machine drilling rod schematic diagram of the present invention.
1, Spiral digging machine gooseneck portion, 2, wire rope, 3, drilling rod, 4, the drilling rod of diameter minimum, 5, elephant trunk, 6, seal, 7, the elephant trunk of diameter minimum, 8, the elephant trunk of diameter maximum, 9, square joint, 10, hollow duct, 11, locating part, 12, block piece, 13, rotatable parts.
Detailed description of the invention
One is revolved and is dug guncreting pile construction method, it is characterized in that comprising the following steps:
The 1st step: adopt rotary drilling rig construction, be drilled into a predetermined stake hole depth, then propose rotary drilling digger, change multi-functional residue-removing cylinder and put into a bottom, hole and carry out scarfing cinder construction;
The 2nd step: after bottom, stake hole sediment cleans out, reversion half-turn is opened the concrete output valve of multi-functional residue-removing cylinder bottom, slowly mention on one side rotary drill rod, in stake hole, press concrete perfusion by synchronize the elephant trunk of self extending activity in rotary drill rod with Spiral digging machine drilling rod on one side;
The 3rd step: hang in reinforcing cage, utilize reinforcing cage deadweight and vibrator that reinforcing cage is inserted in stake.
As shown in Figure 1, detailed construction step of the present invention is as follows:
Smooth location → stake position setting-out → mounting equipment → Spiral digging machine is in place → drilling to completion stop creeping into → pulling down rotary drilling digger → change is multi-functional please slag cylinder → cleaning dregs (repeatedly scarfing cinder) → be rotated counterclockwise drilling machine drilling rod (half-turn) → close scarfing cinder nozzle, automatically unlatching concrete valve → mention drilling rod (30cm) → one side to promote drilling rod, on one side with concrete ground pump via concrete conveying pipe to the built-in automatic telescopic elephant trunk pump pressure Superfluid state concrete → proposition drilling rod → insertion reinforcing cage → pile → pile crown processing → stake top safeguard measure of Spiral digging machine drilling rod.
As shown in Figure 2, described Spiral digging machine drilling rod can self extending by different-diameter drilling rod 3 be socketed and form from inside to outside, wherein the drilling rod 4 of diameter minimum is connected with Spiral digging machine gooseneck portion 1 by wire rope 2, drilling rod 4 top movable of described diameter minimum are connected with synchronizes the elephant trunk 5 of self extending activity with drilling rod 3, bottom is provided with the square joint with hollow duct 10 9 being connected with rotary drilling digger;
Described elephant trunk 5 is socketed and forms from inside to outside by different-diameter pipeline, wherein elephant trunk 7 tops of diameter minimum are fixed in Spiral digging machine gooseneck portion 1, extend above rig column with elbow, external concrete conveyance steel pipe, then receive on concrete ground pump with rubber hose and steel pipe connecting, wherein elephant trunk 8 bottoms of diameter maximum are provided with the rotatable parts 13 that are connected with drilling rod 4 top movable of diameter minimum;
Each pipe joint road outer setting finite place piece 11 of described elephant trunk 5, bottom is provided with the block piece 12 matching with locating part 11;
Between described locating part 11 and block piece 12, distance is 30cm, and between locating part 11 and block piece 12, is provided with the seal 6 that prevents that concrete from flowing backwards;
The width of described each pipe joint road upper limit part 11 and block piece 12 is, the radius of lower pipe joint road and this section pipeline poor.
The geological formations in the most of provinces of central China such as this method is applicable to banket, mud, silt, clay, sandy soil, cobble, middle weathering and gentle breeze, city, has made huge contribution by the fast development for pile foundation industry.
The above, be only preferably detailed description of the invention of the present invention, but protection domain of the present invention is not limited to this, is equal to replacement or changes, within all should being encompassed in protection scope of the present invention according to technical scheme of the present invention and inventive concept thereof.
Claims (2)
1. revolve and dig a guncreting pile construction method, it is characterized in that comprising the following steps:
The 1st step: adopt rotary drilling rig construction, be drilled into a predetermined stake hole depth, then propose rotary drilling digger, change multi-functional residue-removing cylinder and put into a bottom, hole and carry out scarfing cinder construction;
The 2nd step: after bottom, stake hole sediment cleans out, reversion half-turn is opened the concrete output valve of multi-functional residue-removing cylinder bottom, slowly mention on one side Spiral digging machine drilling rod, in stake hole, press concrete perfusion by synchronize the elephant trunk of self extending activity in Spiral digging machine drilling rod with Spiral digging machine drilling rod on one side;
The 3rd step: hang in reinforcing cage, utilize reinforcing cage deadweight and vibrator that reinforcing cage is inserted in stake;
Described multi-functional residue-removing cylinder, comprise cylindrical shell, described cylindrical shell top is provided with the link being connected with Spiral digging machine drilling rod, bottom is provided with and the body concentric fan-shaped base plate of cylinder, in described cylindrical shell, be provided with the steel pipe with hollow duct, described steel pipe lower end is fixedly connected on fan-shaped base plate, and described fan-shaped base plate bottom is provided with can be around the receipts soil plate of steel pipe rotary, and described steel pipe bottom is provided with valve;
Described Spiral digging machine drilling rod can self extending by different-diameter drilling rod (3) be socketed from inside to outside formation, wherein the drilling rod of diameter minimum (4) is connected with Spiral digging machine gooseneck portion (1) pulley by rotatable parts (13) and wire rope (2), drilling rod (4) top movable of described diameter minimum is connected with synchronizes the elephant trunk (5) of self extending activity with drilling rod (3), bottom is provided with the square joint (9) being connected with rotary drilling digger;
Described elephant trunk (5) is socketed and forms from inside to outside by the pipeline of different-diameter, wherein the elephant trunk of diameter minimum (7) top is fixed on Spiral digging machine gooseneck portion (1), and wherein the elephant trunk of diameter maximum (8) bottom is provided with the rotatable parts (13) that are connected with drilling rod (4) top movable of diameter minimum.
2. construction method according to claim 1, is characterized in that: on described fan-shaped base plate, be provided with block;
On the edge of the native plate of described receipts, be provided with the shovel soil plate under being tilted to; Described valve is made up of two semilune baffle plates; On described semilune baffle plate, be provided with groove; Described baffle plate one end is fixed on steel pipe bottom by bearing pin, and the other end passes groove by bearing pin and is limited on the native plate of receipts; Described fan-shaped base plate is connected by hinge with cylinder body bottom.
3
.construction method according to claim 1, is characterized in that: in described square joint (9), be provided with band hollow duct (10).
4
.construction method according to claim 1, is characterized in that: each pipe joint road outer setting finite place piece (11) of described elephant trunk (5), bottom is provided with the block piece (12) matching with locating part (11).
5
.construction method according to claim 4, is characterized in that: described locating part (11) is arranged on apart from block piece (12) 20～40cm places.
6
.construction method according to claim 4, is characterized in that: between described locating part (11) and block piece (12), be provided with the seal (6) that prevents that concrete from flowing backwards.
7
.construction method according to claim 4, is characterized in that: the width of described locating part (11) and block piece (12) is the semidiameter between each pipe joint road.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210542726.9A CN102966094B (en) | 2012-12-15 | 2012-12-15 | Method for constructing concrete pile through rotary excavating and pressure irrigation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210542726.9A CN102966094B (en) | 2012-12-15 | 2012-12-15 | Method for constructing concrete pile through rotary excavating and pressure irrigation |
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| Publication Number | Publication Date |
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| CN102966094A CN102966094A (en) | 2013-03-13 |
| CN102966094B true CN102966094B (en) | 2014-08-27 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103243740B (en) * | 2013-05-20 | 2015-02-04 | 马春根 | Construction method of rotary excavating and long spiral combination bored concrete pressure grouting secant pile continuous wall |
| CN104153352B (en) * | 2014-07-31 | 2017-02-15 | 广西科技大学 | Karst geology rotary-drilling bored concrete pile hole forming process |
| CN104631437B (en) * | 2014-12-19 | 2016-05-04 | 国家电网公司 | KV Electric Transmissions application rotary drilling rig carries out the method for digging hole pile foundation pore-forming |
| CN106930276B (en) * | 2017-04-11 | 2018-11-06 | 广州智弘建筑物检测与鉴定技术有限公司 | The construction method of the deep hole blasting of rotary digging bored concrete pile and conduit rotary digging removing obstacles |
| CN109555125B (en) * | 2019-01-24 | 2024-02-27 | 张家口众益岩土工程有限公司 | Submersible concrete pouring sealing telescopic pipe |
| CN113235608A (en) * | 2021-04-30 | 2021-08-10 | 杭州市市政工程集团有限公司 | Enclosure structure for closely penetrating low-clearance bridge and construction method thereof |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US5099696A (en) * | 1988-12-29 | 1992-03-31 | Takechi Engineering Co., Ltd. | Methods of determining capability and quality of foundation piles and of designing foundation piles, apparatus for measuring ground characteristics, method of making hole for foundation pile such as cast-in-situ pile and apparatus therefor |
| CN1831250A (en) * | 2005-03-07 | 2006-09-13 | 徐州工程机械科技股份有限公司徐工研究院 | Construction technology of dry soil taking hole forming method of rotary digging drilling machine |
| CN100523389C (en) * | 2007-06-08 | 2009-08-05 | 中铁十八局集团有限公司 | Ballastless track steel reinforced concrete pile-net construction method |
| CN101566043A (en) * | 2009-05-19 | 2009-10-28 | 李征 | Cast-in-situ cylinder pile rotary drilling rig and piling method thereof |
| CN102605771B (en) * | 2012-04-01 | 2014-07-30 | 贺德新 | Construction method for drilling cast-in-place concrete pipe pile and drilling tool for concrete pipe pile |
| CN102758430B (en) * | 2012-07-31 | 2014-07-23 | 中建五局第三建设有限公司 | Large-diameter rotary digging pile construction process for ultra-deep throwing and filling unconsolidated soil body |
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Effective date of registration: 20161128 Address after: 333000 Jiangxi Province, Jingdezhen City Changjiang district fish Li Industrial Park, No. fifteenth Patentee after: Jiangxi Huanqiu geotechnical Technology Co., Ltd. Address before: 333000 Jiangxi Province, Jingdezhen city Zhushan District pear garden in Shangri-La 27 Patentee before: Ma Chungen |