CN102839659B - The construction method of a kind of advanced anchor tube and miniature steel pipe pile - Google Patents
The construction method of a kind of advanced anchor tube and miniature steel pipe pile Download PDFInfo
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- CN102839659B CN102839659B CN201210360309.2A CN201210360309A CN102839659B CN 102839659 B CN102839659 B CN 102839659B CN 201210360309 A CN201210360309 A CN 201210360309A CN 102839659 B CN102839659 B CN 102839659B
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Abstract
The present invention discloses and provides a kind of reduction construction cost, improves efficiency of construction and improves the advanced anchor tube of construction quality and the construction method of miniature steel pipe pile.In work progress, the present invention drives taper type cage drill to hole by adopting cement mixing pile machine, described cement mixing pile facility have the feature that the large construction ability of power is strong, and can fast earth be beaten very even of the described taper type cage drill adopted and form mud, this not only increases pore-forming effect, can also quickly and efficiently by outside mud extrusion cavities, and then greatly reduce construction period, obtain good pile body forming effect, process is ripe, and construction costs is low simultaneously.The present invention is applied to the construction field of advanced steel pipe and miniature steel pipe pile.
Description
Technical field
The invention belongs to building field, relate to the construction method of a kind of advanced anchor tube and miniature steel pipe pile.
Background technology
Advanced anchor tube and miniature steel pipe pile, be mainly used in the engineering field such as reinforcing or anti-floating, road reinforcing, slope reinforcement at the bottom of pattern foundation pit supporting structure, foundation ditch.Under prior art condition, the construction method of most engineering construction team to advanced anchor tube and miniature steel pipe pile is all adopt geological drilling rig to hole, then clear hole placing steel tubes, last Reperfu-sion cement paste or cement mortar.But there is the shortcomings such as power is little, mechanical execution ability is very limited in common geological drilling rig, cause workman's construction intensity high, efficiency of construction is low.
Summary of the invention
Technical problem to be solved by this invention overcomes the deficiencies in the prior art, there is provided a kind of and reduce construction cost, improve efficiency of construction and improve the advanced anchor tube of construction quality and the construction method of miniature steel pipe pile, the present invention adopts cement mixing pile machine band taper type cage drill to hole, the large construction ability of power is strong, technical maturity, reduces construction costs.
The technical solution adopted in the present invention is: the construction method of a kind of advanced anchor tube of the present invention, and the method uses cement mixing pile machine and configures taper type cage drill and holes.
Preferably, the method comprises the following steps:
(1) cement mixing pile-forming machine perching, and on the drilling rod of described cement mixing pile machine, taper type cage drill is installed;
(2) starting described cement mixing pile machine, utilizing described taper type cage drill to carry out holing to designing hole depth, described pond can at multiple positions repeatedly Reusability;
(3) once clear hole;
(4) place advanced anchor tube and Grouting Pipe, described Grouting Pipe is put to described advanced anchor tube;
(5) secondary pile hole cleaning;
(6) rubble grout injection or cement mortar is thrown in, until fresh slurry is flowed out on described advanced anchor tube top;
(7) suitably mend slurry according to the slurries sedimentation situation in described advanced anchor tube, mend after slurry completes and pull up Grouting Pipe;
Preferably, in above-mentioned steps (2), holed by pump housing band water or band cement paste when holing.
Preferably, in above-mentioned steps (2), in boring procedure, mix appropriate mud powder or cement.
In addition, the invention still further relates to a kind of construction method of miniature steel pipe pile, the method uses cement mixing pile machine and configures taper type cage drill and holes.
Preferably, the method comprises the following steps:
(1) cement mixing pile-forming machine perching, and on the drilling rod of described cement mixing pile machine, taper type cage drill is installed;
(2) starting described cement mixing pile machine, utilizing described taper type cage drill to carry out holing to designing hole depth, described pond (4) can at multiple positions repeatedly Reusability;
(3) once clear hole;
(4) place miniature steel pipe and Grouting Pipe, described Grouting Pipe is put to described miniature steel pipe;
(5) secondary pile hole cleaning;
(6) rubble grout injection or cement mortar is thrown in, until fresh slurry is flowed out on described miniature steel pipe top;
(7) suitably mend slurry according to the slurries sedimentation situation in described miniature steel pipe, mend after slurry completes and pull up Grouting Pipe;
Preferably, in above-mentioned steps (2), holed by pump housing band water or band cement paste when holing.
Preferably, in above-mentioned steps (2), in boring procedure, mix appropriate mud powder or cement.
The invention has the beneficial effects as follows: because the present invention adopts cement mixing pile machine as construction machinery, it has that power is large, moment of torsion is large, rate of penetration is fast, construction ability is strong and the feature such as conveniently moving is rapid, reaches speed of application fast and reduce effect that is artificial and machine cost.In addition, the present invention configures taper type cage drill and holes on cement mixing pile machine, can be beaten by earth fast when holing very even and form mud, on the one hand, can improve clear hole effect after pulping; On the other hand, when being in the milk, because the density of the material of body of a pile such as cement mortar is larger than the density of mud, therefore quickly and efficiently by outside mud extrusion cavities, greatly can reduce construction period, and there is good pile body forming effect, technique is simply ripe, and construction costs is low.
Accompanying drawing explanation
Fig. 1 be the present invention hole in work progress prepare schematic diagram;
Fig. 2 is that the present invention holes to the schematic diagram of projected depth in work progress;
Fig. 3 is the schematic diagram that the present invention mentions taper type cage drill in work progress;
Fig. 4 is the schematic diagram that the present invention places pipe fitting and Grouting Pipe in work progress;
Fig. 5 is the schematic diagram of the present invention's slip casting in work progress;
Fig. 6 be the present invention mend in work progress starched after mention the schematic diagram of Grouting Pipe.
Detailed description of the invention
The present invention relates to a kind of construction method of advanced steel pipe, be mainly used in the engineering fields such as reinforcing at the bottom of pattern foundation pit supporting structure and foundation ditch.In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with accompanying drawing, the present invention is further elaborated.
The present invention uses cement mixing pile machine and configures taper type cage drill and holes, and concrete technical step comprises following:
(1), as shown in Figure 1, described cement mixing pile machine 1 is in place, and on the drilling rod 2 of described cement mixing pile machine 1, install described taper type cage drill 3.Because the power of the power ratio geological drilling rig of described cement mixing pile machine 1 is much bigger, construction ability is high, and configure described taper type cage drill 3 to hole, the diameter of described tapered drill bit 3 is suitable with design stake footpath, drive taper type cage drill 3 to hole by described cement mixing pile machine 1, that can be beaten by the earth in hole fast is very even.
(2), as shown in Figure 2, starting described cement mixing pile machine 1, utilizing described taper type cage drill 3 to carry out holing to designing hole depth.In order to improve drilling efficiency and make the earth in hole form mud fast, first excavate a pond 4, also arrange a groove to be connected with aperture, water 6 or cement paste is filled with inside pond, then by the pump housing 5 by water 6 or cement slurrypump to hell, band water or band cement paste are holed, and water or cement paste circulate in the neutralizing water tank of hole; Described pond 4 can at multiple positions repeatedly Reusability; In boring procedure, when band water or cement paste creep into and meet layer of sand, just easily there is collapse hole phenomenon, now in boring procedure, appropriate mud powder or cement can be mixed in described pond 4, make the layer of sand not easily slump of hole wall.
(3), complete boring after, carry out once clear hole, mention described taper type cage drill 1 behind clear hole, as shown in Figure 3.
(4), as shown in Figure 4, place advanced anchor tube 7 and Grouting Pipe 8, by described advanced anchor tube 7 always at the bottom of hole, then described Grouting Pipe 8 put to described advanced anchor tube 7, described Grouting Pipe 8 is connected with the pump line of grouting pump 11.
(5), secondary pile hole cleaning.
(6), as shown in Figure 5, throw in rubble 9 and grout injection 10 or cement mortar, until fresh slurry is flowed out on described advanced anchor tube 7 top, complete preliminary grouting.
(7), after above-mentioned (6) step completes 3 to 4 hours, carry out suitable benefit slurry according to the sedimentation situation of cement paste 10 or cement mortar in described advanced anchor tube 7, finally mention Grouting Pipe, complete the construction of a stake position.
Shown by practice, the construction carrying out advanced anchor tube by the present invention can reduce artificial and machine cost and reach more than 40% to 50%.
The invention still further relates to a kind of construction method of miniature steel pipe pile, the work progress of the method is substantially identical with the work progress of above-mentioned advanced anchor tube, and in work progress, advanced anchor tube is replaced by miniature steel pipe, Specific construction process repeats no more herein.The method is mainly used in the engineering fields such as the low anti-floating of foundation ditch, road reinforcing and slope reinforcement.
The present invention is widely used in the construction field of advanced steel pipe and miniature steel pipe pile.
Claims (2)
1. a construction method for advanced anchor tube, is characterized in that: the method uses cement mixing pile machine and configures taper type cage drill and holes, and the method comprises the following steps:
(1) described cement mixing pile-forming machine perching, and on the drilling rod of described cement mixing pile machine, described taper type cage drill is installed;
(2) pond is excavated, also arrange a groove to be connected with hell, water or cement paste is filled with inside described pond, then described pond is connected with hell, start described cement mixing pile machine, band water or band cement paste are holed, and utilize described taper type cage drill to carry out holing to designing hole depth, water or cement paste circulate in the neutralizing water tank of hole, and described pond (4) can at multiple positions repeatedly Reusability; In described pond, appropriate mud powder or cement is mixed in boring procedure;
(3) once clear hole;
(4) place advanced anchor tube and Grouting Pipe, described Grouting Pipe is put to described advanced anchor tube;
(5) secondary pile hole cleaning;
(6) rubble grout injection or cement mortar is thrown in, until fresh slurry is flowed out on described advanced anchor tube top;
(7) suitably mend slurry according to the slurries sedimentation situation in described advanced anchor tube, mend after slurry completes and pull up Grouting Pipe.
2. a construction method for miniature steel pipe pile, is characterized in that: the method uses cement mixing pile machine and configures taper type cage drill and holes, and the method comprises the following steps:
(1) described cement mixing pile-forming machine perching, and on the drilling rod of described cement mixing pile machine, described taper type cage drill is installed;
(2) pond is excavated, also arrange a groove to be connected with hell, water or cement paste is filled with inside described pond, then described pond is connected with hell, start described cement mixing pile machine, band water or band cement paste are holed, and utilize described taper type cage drill to carry out holing to designing hole depth, water or cement paste circulate in the neutralizing water tank of hole, and described pond (4) can at multiple positions repeatedly Reusability; In described pond, appropriate mud powder or cement is mixed in boring procedure;
(3) once clear hole;
(4) place miniature steel pipe and Grouting Pipe, described Grouting Pipe is put to described miniature steel pipe;
(5) secondary pile hole cleaning;
(6) rubble grout injection or cement mortar is thrown in, until fresh slurry is flowed out on described miniature steel pipe top;
(7) suitably mend slurry according to the slurries sedimentation situation in described miniature steel pipe, mend after slurry completes and pull up Grouting Pipe.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210360309.2A CN102839659B (en) | 2012-09-25 | 2012-09-25 | The construction method of a kind of advanced anchor tube and miniature steel pipe pile |
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| CN201210360309.2A CN102839659B (en) | 2012-09-25 | 2012-09-25 | The construction method of a kind of advanced anchor tube and miniature steel pipe pile |
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| CN102839659A CN102839659A (en) | 2012-12-26 |
| CN102839659B true CN102839659B (en) | 2015-11-18 |
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| CN103410154A (en) * | 2013-08-23 | 2013-11-27 | 河南省纳川基础工程有限公司 | Constructing method for high-pressure grouting of revetment small piles |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008175039A (en) * | 2007-01-22 | 2008-07-31 | Yasuyuki Yamamoto | Method of driving both steel pipe pile and soil cement pile |
| CN101851925A (en) * | 2010-06-03 | 2010-10-06 | 中冶集团武汉勘察研究院有限公司 | Deep mixing pile-micro pre-stressed steel pipe concrete pile-vertical anchor rod composite foundation pit support method |
| CN101886393A (en) * | 2010-07-03 | 2010-11-17 | 朱奎 | Construction method of combined foundation ditch support |
| CN202324017U (en) * | 2011-11-26 | 2012-07-11 | 山东大学 | Grouting type micro steel pipe pile |
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2012
- 2012-09-25 CN CN201210360309.2A patent/CN102839659B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008175039A (en) * | 2007-01-22 | 2008-07-31 | Yasuyuki Yamamoto | Method of driving both steel pipe pile and soil cement pile |
| CN101851925A (en) * | 2010-06-03 | 2010-10-06 | 中冶集团武汉勘察研究院有限公司 | Deep mixing pile-micro pre-stressed steel pipe concrete pile-vertical anchor rod composite foundation pit support method |
| CN101886393A (en) * | 2010-07-03 | 2010-11-17 | 朱奎 | Construction method of combined foundation ditch support |
| CN202324017U (en) * | 2011-11-26 | 2012-07-11 | 山东大学 | Grouting type micro steel pipe pile |
Non-Patent Citations (1)
| Title |
|---|
| 广州地铁三号线某区间桩基托换施工技术;桂林;《市政技术》;20050630;第23卷(第3期);第155页第4节，及图2 * |
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Effective date of registration: 20170316 Address after: 519000 Zhuhai, China, Xiangzhou District, Mei Hua Road, No. 284, No. Patentee after: Zhuhai Engineering Investigation Institute of Guangdong Province Address before: 519015 Guangdong City, Zhuhai Province, the middle of Lovers Road, Paris garden 1-203 room 277 Patentee before: Wu Liangbin |