CN103867219B - A kind of Apparatus and method for expanding the pea gravel concreten anchoring support soil body for whirlpool extrusion - Google Patents
A kind of Apparatus and method for expanding the pea gravel concreten anchoring support soil body for whirlpool extrusion Download PDFInfo
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- CN103867219B CN103867219B CN201410113643.7A CN201410113643A CN103867219B CN 103867219 B CN103867219 B CN 103867219B CN 201410113643 A CN201410113643 A CN 201410113643A CN 103867219 B CN103867219 B CN 103867219B
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- whirlpool
- anchor tube
- steel anchor
- steel
- pea gravel
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Abstract
The invention belongs to geotechnical engineering field, particularly, relate to a kind of Apparatus and method for expanding the pea gravel concreten anchoring support soil body for whirlpool extrusion.The equipment of the anchoring support soil body is expanded in whirlpool extrusion, comprising: steel anchor tube, swing pinion, whirlpool pressure blade; Swing pinion is arranged on the top of steel anchor tube, and whirlpool pressure blades installation is in the inner side of steel anchor tube opening part.The present invention has following beneficial effect: construction is simple, and the duration is short, cheap; Steel anchor tube with pressure chamber, whirlpool can ensure that pea gravel concreten is to squeezed perpendicular to steel anchor tube direction, has taken into account compacted, cementing, drainage, can significantly improve soil body vertical transverse strength effectively, strengthens anchored force; It is squeezed that the method implements the multilayer soil body by the quantity of setting up pressure chamber, whirlpool, forms multiple wide diameter portion; Be applicable to various viscosity, sand soil.
Description
Technical field
The invention belongs to geotechnical engineering field, particularly, relate to a kind of Apparatus and method for expanding the pea gravel concreten anchoring support soil body for whirlpool extrusion.
Background technology
Current anchoring support is a kind of its support reinforcement mode adopted in the earth's surface engineerings such as side slope, ground deep foundation ditch and the construction of the underground chamber such as tunnel, stope.Existing anchoring type has: pipe-seam type anchor rod, from boring precession anchor pole, the anchor metal of falling wedge-type, spin resin anchor, spin whitewashing anchor pole, spin grouted anchor bar.But all kinds of anchor pole has the drawback of oneself, such as spin anchor pole, and self tapping precession rockbolt installation wherein requires that boring accurately, and parameters coordinates appropriate, is difficult to reach requirement in construction; And self tapping extruding selects into anchor pole that it is large to rig torque demand, compliance is limited, and under individual cases, unit anchored force is little, and the anchoring of self drilling anchor is entirely with later stage anchor bolt grouting, and slip casting is poor for the slip casting anchorage reliability that is difficult to reach capacity of hole upwards.
Summary of the invention
For overcoming the above-mentioned defect existed in prior art, the object of the present invention is to provide a kind of Apparatus and method for expanding the pea gravel concreten anchoring support soil body for whirlpool extrusion; Can ensure effectively realize anchoring supports such as side slope, ground deep foundation ditch earth's surface engineering and the underground chambers such as tunnel, stope, have cheap, the cycle is short, work efficiency is high, the advantage such as the large and noise-less pollution of anchoring bearing capacity.
For achieving the above object, the technical solution adopted in the present invention is as follows:
Expand an Apparatus and method for for the pea gravel concreten anchoring support soil body for whirlpool extrusion, comprising: steel anchor tube, rotation accessory, whirlpool pressure blade; Rotate the top that accessory is arranged on steel anchor tube, whirlpool pressure blades installation is in the inner side of steel anchor tube opening part.
Relative to prior art, the present invention has following beneficial effect:
1, construction is simple, and the duration is short, cheap;
2, the steel anchor tube with pressure chamber, whirlpool can ensure that pea gravel concreten is to squeezed perpendicular to steel anchor tube direction, has taken into account compacted, cementing, drainage, can significantly improve soil body vertical transverse strength effectively, strengthens anchored force;
3, the method by set up pressure chamber, whirlpool quantity simultaneously squeezed multi-layered Soils body form multiple wide diameter portion, be applicable to various viscosity, sand soil.
Accompanying drawing explanation
Fig. 1 is the device structure schematic diagram expanding the pea gravel concreten anchoring support soil body for whirlpool extrusion;
Fig. 2 is A-A generalized section in Fig. 1;
Fig. 3 is B-B generalized section in Fig. 1;
Fig. 4 is whirlpool pressure blade construction schematic diagram;
Fig. 5 a is the top view of swing pinion;
Fig. 5 b is the lateral view of swing pinion;
Fig. 6 a is the steel anchor tube schematic diagram in place that whirlpool extrusion expands in pea gravel concreten anchoring construction process;
Fig. 6 b is that the whirlpool extrusion hammer pipe expanded in pea gravel concreten anchoring construction process buries schematic diagram;
Fig. 6 c pours into pea gravel concreten schematic diagram in whirlpool extrusion expansion pea gravel concreten anchoring construction process;
Fig. 6 d is the turn-knob sleeve pipe schematic diagram that whirlpool extrusion expands in pea gravel concreten anchoring construction process;
Fig. 6 e is that whirlpool extrusion is expanded and built anchor head schematic diagram in pea gravel concreten anchoring construction process.
Detailed description of the invention
As shown in Figure 1 and Figure 2, the equipment of the pea gravel concreten anchoring support soil body is expanded in whirlpool extrusion, comprising: steel anchor tube 2, swing pinion 4, whirlpool pressure blade 5; Swing pinion 4 is arranged on the top of steel anchor tube 2, and whirlpool pressure blade 5 is arranged on the inner side of steel anchor tube opening part; Wherein:
Steel anchor tube 2 is metal circular tube, bottom is cone 1, about 1 meter of bottom steel anchor tube 2, axial symmetry along steel anchor tube offers pressure chamber, a pair whirlpool outlet 6, as the outlet that pea gravel concreten outwards extrudes, the width (length along steel anchor tube circumferencial direction) of each opening is steel anchor tube 1/4 girth, and open height and whirlpool press the height of blade 5 identical; Whirlpool pressure blade 5 is welded by two identical semicircular ring steel plate antisymmetry, S-shaped, and the air line distance between pressure blade 5 two ends, whirlpool is identical with the diameter of steel anchor tube 2; The vertical side that the two ends of S shape whirlpool pressure blade 5 export 6 with pressure chamber, whirlpool is respectively welded and fixed, weld seam 7 is polished smooth, the steel type that whirlpool pressure blade 5 adopts, the steel type of steel plate thickness and steel anchor tube 2, steel plate thickness are identical, ensure to be connected to form smooth curved surface between whirlpool pressure blade 5 and steel anchor tube 2, be beneficial to the outside lateral extrusion of pea gravel concreten.For the steel anchor tube 2 between whirlpool pressure blade 5, the pressure upper and lower two ends of blade, whirlpool, pressure chamber, whirlpool export 6 threes and form pressure chamber, whirlpool 3.According to the demand of anchor Design bearing capacity, the quantity that pressure chamber, whirlpool is set along anchor tube axis direction can be determined.
The top of steel anchor tube 2 arranges swing pinion 4, for the light face of cylinder, outside are provided with engaging tooth inside swing pinion 4; The internal diameter of swing pinion 4 is identical with the external diameter of steel anchor tube 2, and the end face of swing pinion 4 flushes with the end face of steel anchor tube 2, and swing pinion 4 hoop is welded in the top of steel anchor tube 2, and swing pinion 4 is as the load transfer device of hammering anchor tube and turn-knob anchor tube.
The construction method of the pea gravel concreten anchoring support soil body is expanded in whirlpool extrusion, and utilize above-mentioned whirlpool to extrude and expand the equipment of the pea gravel concreten anchoring support soil body, concrete steps are as follows:
The first step: steel anchor tube is in place: steel anchor tube 2 lower end aligned will be hammered into shape the position that pipe buries;
Second step: hammer pipe buries: steel anchor tube 2 is squeezed into soil layer to precalculated position;
3rd step: perfusion pea gravel concreten: pea gravel concreten is filled in steel anchor tube from steel anchor tube 2 top;
4th step: turn-knob anchor tube: turn-knob power-equipment is connected on the swing pinion 4 at steel anchor tube top, steel anchor tube is driven together to rotate by rotating swing pinion, under the extruding driving effect of whirlpool pressure blade 5, in anchor tube, pea gravel concreten is diffused in surrounding soil through whirlpool pressure accent 6 by whirlpool extrusion, play the effect forming wide diameter portion, when wide diameter portion reaches design size, stop knob;
5th step: build anchor head: complete expanding after, continue to water pea gravel concreten on steel anchor tube top, form concrete anchor head, the whirlpool extrusion at this place is expanded the pea gravel concreten anchoring support soil body and is completed.
Claims (2)
1. expand an equipment for the pea gravel concreten anchoring support soil body for whirlpool extrusion, comprising: steel anchor tube, rotation accessory, whirlpool pressure blade; It is characterized in that: rotate the top that accessory is arranged on steel anchor tube;
Steel anchor tube about 1 meter near bottom, the outlet of pressure chamber, a pair whirlpool is offered along the axial symmetry of steel anchor tube, whirlpool pressure blades installation is in the inner side in Ya Qiang exit, steel anchor tube whirlpool, and the width of pressure chamber, each whirlpool outlet is steel anchor tube 1/4 girth, and pressure chamber, whirlpool outlet height presses the height of blade identical with whirlpool;
Whirlpool pressure blade is S-shaped, and the vertical side that the two ends of S shape whirlpool pressure blade export with pressure chamber, whirlpool is respectively welded and fixed, and the air line distance between pressure blade two ends, whirlpool is identical with the diameter of steel anchor tube;
Whirlpool pressure blade is welded by two identical semicircular ring steel plate antisymmetry;
The steel type that whirlpool pressure blade adopts, the steel type of steel plate thickness and steel anchor tube, steel plate thickness are identical;
The rotation accessory that the top of steel anchor tube is arranged is swing pinion, for the light face of cylinder, outside are provided with engaging tooth inside swing pinion; The internal diameter of swing pinion is identical with the external diameter of steel anchor tube, and the end face of swing pinion flushes with the end face of steel anchor tube, and rotary teeth rim is welded in the top of steel anchor tube;
According to requirement for bearing capacity, pressure chamber, multiple whirlpool can be set along anchor tube axis direction.
2. a construction method for the pea gravel concreten anchoring support soil body is expanded in whirlpool extrusion, and utilize the equipment expanding the pea gravel concreten anchoring support soil body for whirlpool extrusion described in claim 1, it is characterized in that, concrete steps are as follows:
The first step: steel anchor tube is in place: steel anchor tube lower end aligned will be hammered into shape the position that pipe buries;
Second step: hammer pipe buries: steel anchor tube is squeezed into soil layer to precalculated position;
3rd step: perfusion pea gravel concreten: pea gravel concreten is filled in steel anchor tube from steel anchor tube top;
4th step: turn-knob anchor tube: turn-knob power-equipment is connected on the swing pinion at steel anchor tube top, steel anchor tube is driven together to rotate by rotating swing pinion, under the extruding driving effect of whirlpool pressure blade, in anchor tube, pea gravel concreten is diffused in surrounding soil through whirlpool pressure accent by whirlpool extrusion, play the effect forming wide diameter portion, when wide diameter portion reaches design size, stop knob;
5th step: build anchor head: complete expanding after, continue to water pea gravel concreten on steel anchor tube top, form concrete anchor head, the whirlpool extrusion at this place is expanded the pea gravel concreten anchoring support soil body and is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410113643.7A CN103867219B (en) | 2014-03-25 | 2014-03-25 | A kind of Apparatus and method for expanding the pea gravel concreten anchoring support soil body for whirlpool extrusion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410113643.7A CN103867219B (en) | 2014-03-25 | 2014-03-25 | A kind of Apparatus and method for expanding the pea gravel concreten anchoring support soil body for whirlpool extrusion |
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| Publication Number | Publication Date |
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| CN103867219A CN103867219A (en) | 2014-06-18 |
| CN103867219B true CN103867219B (en) | 2015-08-05 |
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| CN201410113643.7A Expired - Fee Related CN103867219B (en) | 2014-03-25 | 2014-03-25 | A kind of Apparatus and method for expanding the pea gravel concreten anchoring support soil body for whirlpool extrusion |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108457616B (en) * | 2018-04-18 | 2024-03-08 | 晋能控股煤业集团有限公司 | Grouting device for preventing and controlling coal mine water damage |
| CN113047275A (en) * | 2021-03-29 | 2021-06-29 | 江苏富路建设有限公司 | Construction method of enlarged footing concrete anchor rod |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29611966U1 (en) * | 1996-07-10 | 1997-11-13 | Friedr. Ischebeck Gmbh, 58256 Ennepetal | Core bit |
| JP3876645B2 (en) * | 2001-05-15 | 2007-02-07 | 株式会社大林組 | Structure for increasing bearing capacity of ground buried support and method for constructing the same |
| CN201053298Y (en) * | 2007-01-26 | 2008-04-30 | 永城煤电集团有限责任公司 | Dust-proof water-injection type screwy reclaiming anchor bar drill pipe |
| DE102008006235A1 (en) * | 2008-01-25 | 2009-07-30 | Friedr. Ischebeck Gmbh | Anchor pipe and method for its production |
| CN201614595U (en) * | 2010-04-02 | 2010-10-27 | 郭财宝 | Rotation-type anchor tubular pile |
| CN203081475U (en) * | 2013-02-21 | 2013-07-24 | 浙江普泰克金属制品有限公司 | Multiple anti-corrosion type self-boring hollow grouting anchor rod |
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Inventor after: Xue Shifeng Inventor after: Li Chunbao Inventor after: Liu Xiaohui Inventor before: Li Chunbao Inventor before: Xue Shifeng Inventor before: Liu Xiaohui |
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Free format text: CORRECT: INVENTOR; FROM: LI CHUNBAO XUE SHIFENG LIU XIAOHUI TO: XUE SHIFENG LI CHUNBAO LIU XIAOHUI |
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