CN103437350A - Bearing plate type anchor pile and anchoring method - Google Patents
Bearing plate type anchor pile and anchoring method Download PDFInfo
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- CN103437350A CN103437350A CN201310372667XA CN201310372667A CN103437350A CN 103437350 A CN103437350 A CN 103437350A CN 201310372667X A CN201310372667X A CN 201310372667XA CN 201310372667 A CN201310372667 A CN 201310372667A CN 103437350 A CN103437350 A CN 103437350A
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Abstract
The invention discloses a bearing plate type anchor pile and an anchoring method. The bearing plate type anchor pile comprises a bearing plate component and an anchor rod, wherein the bearing plate component is located at the depths of the stratum, the anchor rod is inserted in the stratum and is connected with the bearing plate component, the bearing plate component, the anchor rod and cement soil are combined to form the anchor pile, and the cement soil is formed by wrapping the anchor rod, being poured by cement paste or cement powder and being stirred by vanes of a drill rod. In the process of screwing in the drill rod, the paste is sprayed, the soil is stirred, the bearing plate component is pushed into the stratum and moves in place, then the anchor rod is inserted into an inner hole of the drill rod, the anchor rod is in threaded connection with the bearing plate component, then the drill rod is pulled out, and the bearing plate component, and the anchor rod and the cement soil wrapping the anchor rod are combined together to form the columnar drill rod inner rod embedded stirring type anchor pile; the construction difficulty caused to the hole-forming anchor rod by hole collapse in the processes of hole forming, installation of the anchor rod and the paste pouring is avoided. After the drill rod is pulled out, the next construction can be conducted.
Description
Technical field
The present invention relates to soil excavation, stability of slope and underground structure anti-floating resistance to plucking technical field, relate in particular to a kind of drill pipe bore for bracing of foundation pit, slope reinforcement and underground structure resistance to plucking anti-floating and implant stirring type anchoring pile and anchoring process.
Background technology
Plate brad supporting, bolt support are widely used in Foundation Pit Support Engineering and stability of slope engineering, the plate brad supporting cost is low, easy construction, but the length of soil nailing and stake diameter are less, and the equal power of resistance to plucking is little, is only applicable to general stratum, so the scope of application is less, often can not meet design requirement, and this kind of soil nailing can not well to apply prestressing force, uplift resistance not strong yet, can not well play a role; And the equal power of the length of anchor pole, diameter and resistance to plucking all is greater than soil nailing, but its cost is higher, and construction need be through first boring, after insert metal material, then slip casting two procedures, can not disposablely complete, and improved cost; And the easy collapse hole banketing, in weak soil, silt, flour sand, sand pebble layer, cause the pore-forming difficulty, the general full-sleeve pore-forming mode pore-forming that adopts, the pore-forming anchor pole is easy collapse hole in pore-forming, skyhook, slip casting process, so difficulty of construction is high, due to the reinforcing bar as anchor pole or dowel generally because diameter is less, anchoring body is less than normal to the gripping force of reinforcing bar and dowel, can not give full play to the frictional force of anchoring body and the soil body, thereby anchoring pile length that need be longer can meet the requirement of anchor pulling force, has increased construction cost.
Summary of the invention
The present invention is directed to above-mentioned the deficiencies in the prior art, provide a kind of operation simple, increase the anchor pulling force, cost is low and can applies prestressed drill pipe bore and implant stirring type anchoring pile and anchoring process; The present invention passes through the stirring vane of drilling rod front end by cement paste or cement flour and soil body stirring formation cement-soil, and after drilling rod is drilled into and requires the degree of depth, implant anchor pole by drill pipe bore, and continuation limit water-spray type slurry or the stirring of cement flour limit when drilling rod exits, can make anchor pole both can guarantee when the centering support is not installed that anchor pole was in the middle of the cement-soil anchoring pile, and the collapse hole of avoiding pore-forming to cause, thereby solve in a pore-forming anchor bolt construction difficult problem.
Technical scheme of the present invention is achieved in that
The board-like anchoring pile of a kind of pressure-bearing, comprise bearing plate assembly, anchor pole, the bearing plate assembly is in the depths, stratum, anchor pole is plugged in stratum and with the bearing plate assembly and is connected, bearing plate assembly, anchor pole and be wrapped in the anchor pole surrounding notes cement paste or cement flour and cement-soil that form after the drilling rod blade the stirs formation anchoring pile that combines.
As preferably, described anchor pole is reinforcing bar or steel bar.Anchor pole adopts reinforcing bar, with low cost, the convenience of drawing materials.
As preferably, described bearing plate assembly comprises bearing plate, be equipped with a joint in the bearing plate center, joint and bearing plate are fixedly linked, and the two ends of joint all are exposed to outside bearing plate, be provided with a screw arranged along the joint axis direction on the end face of joint rear end, the head of anchor pole is provided with external screw thread, and anchor pole is connected with joint screw thread.Bearing plate has larger surface area, by drilling rod, is being pushed stratum after desired depth, then implants anchor pole at drill pipe bore, and anchor pole is connected with joint screw thread, connects more firmly, and bearing plate has played the resistance to plucking drawing-resistant function.
As preferably, take bearing plate as boundary, joint is divided into first half section joint and second half section joint, front end at first half section joint forms a drill bit, the second half section joint be one when being used in conjunction with drilling rod in order to seal the opening of drilling rod front end, screw is arranged on plug, and is provided with to guide the pod apertures of cement paste or cement flour in joint along the joint axis direction, position near drill bit on first half section joint offers the spray orifice communicated with pod apertures, and pod apertures also keeps connecting with screw.The second half section joint has played the effect of plug when advancing together with drilling rod, it is inserted in the drilling rod front end, effect one is to prevent that the soil body from entering and stopping up drilling rod from the drilling rod front end, effect two is to guarantee that bearing plate becomes one at rod boring and drilling rod, avoid slip casting or annotate powder losing efficacy, and bearing plate has played the limit stops effect, by the second half section joint restraint in the position of drilling rod front opening; Pod apertures is arranged in joint, thereby cement paste or cement flour in drilling rod can be sprayed from the joint front end.
As preferably, described spray orifice is one or two.Can be selected as required, when spray orifice is two, can makes whitewashing or dust more even.
As preferably, the entrance of screw is the pilot hole with tapering, and rock bolt head is screwed in screw through pilot hole.Arranging of pilot hole facilitates the head of anchor pole to be inserted in joint.
As preferably, on bearing plate along circumferentially evenly being provided with a plurality of through holes, along the edge of through hole to joint before extreme direction be bent to form and cut native cutter.The existence of through hole can make part soil therefrom pass, and has reduced drilling rod and bearing plate assembly suffered resistance in advancing, and the existence of cutting native cutter can rotary cutting soil, is beneficial to bearing plate and advances, and cement paste or cement flour and soil are stirred.
As preferably, be fixed with the projection be used in conjunction with in order to the transmission ear with the drilling rod front end when at least one and drilling rod are used in conjunction with on the plate face of the bearing plate near joint.Projection coordinates with the transmission ear is staggered, and the bearing plate assembly can be rotated with drilling rod.
As preferably, described anchor pole is divided into the free segment body of rod and the anchoring section body of rod, on the free segment body of rod, is arranged with sleeve pipe, and sleeve pipe two ends and the sealing of the free segment body of rod are fixedly linked, and leave gap between sleeve pipe and the free segment body of rod.The existence of sleeve pipe makes the free segment body of rod keep free state, makes the side friction of the free segment body of rod transfer to the anchoring section body of rod, thereby can further improve the stability on the stratum such as side slope.
As preferably, on the free segment body of rod, be coated with anti-friction agent.Thereby can guarantee that the free segment body of rod is in free state.Anti-friction agent can be selected lubrication oil.
As preferably, be filled with anti-friction agent in sleeve pipe.Filled anti-friction agent in sleeve pipe, guaranteed enough degree of lubrication, made the free segment body of rod keep state fully freely.
The anchoring process of the board-like anchoring pile of a kind of pressure-bearing, comprise the steps: (1), install bearing plate assembly as above at the front opening place of hollow drilling rod, and drilling rod front end and bearing plate assembly are against to surface of stratum, then the drilling rod rear end is connected to the unit head of rig, the drilling rod front portion is provided with stirring vane, and near on the bar wall of drilling rod front end or be provided with the spray orifice in order to jet cement powder or cement paste on the bearing plate assembly; (2), start rig, unit head drives the drilling rod rotation, makes drilling rod and bearing plate assembly creep into gradually the soil body from surface layer; (3), when creeping into, adopt powder spraying apparatus or spouting plant by drilling rod and bearing plate assembly to soil body jet cement powder or cement paste, and by stirring vane, the soil body of cement flour or cement paste and drilling rod periphery is carried out to uniform stirring, cement flour or cement paste are fully mixed with the soil body; (4), after drilling rod pierces the soil body fully and reaches the requirement degree of depth, stop injecting cement flour or cement paste, insert in drilling rod by anchor pole and gradually deeply until contact the bearing plate assembly, then anchor pole is connected with the bearing plate assembly; (5), drilling rod is extracted, continue limit Stirring limit water-spray type slurry or cement flour when extracting, only stay anchor pole and bearing plate assembly in stratum, bearing plate assembly, anchor pole and be wrapped in the anchor pole surrounding notes cement paste or cement flour and cement-soil that form after the drilling rod stirring vane the stirs formation anchoring pile that combines.
As preferably, in step (1), the plug of bearing plate assembly injects the drilling rod front end, and bearing plate and drilling rod front end offset, be fixed with the transmission ear on the tube wall of drilling rod front end, described transmission ear interlocks and contacts cooperation with the projection of bearing plate assembly, makes drilling rod drive the bearing plate assembly simultaneously and rotates.The bearing plate assembly rotates also can play the effect of cutting soil, stirring.
As preferably, described anchor pole is divided into the free segment body of rod and the anchoring section body of rod, in step (4), before anchor pole inserts drilling rod, elder generation's sheathed sleeve pipe on the free segment body of rod, bobbin seal is fixed on the free segment body of rod, and makes to leave gap between sleeve pipe and the free segment body of rod, and then anchor pole is inserted in drilling rod.
As preferably, described anchor pole is divided into the free segment body of rod and the anchoring section body of rod, in step (4), before anchor pole inserts drilling rod, elder generation's sheathed sleeve pipe on the free segment body of rod, and make to leave gap between sleeve pipe and the free segment body of rod, the sealing of sleeve pipe lower end is fixed on the free segment body of rod, from sleeve pipe upper end perfusion anti-friction agent, the sealing of sleeve pipe upper end is fixed on the free segment body of rod again, finally again anchor pole is inserted in drilling rod.
Adopted the principle of the present invention of technique scheme and the advantage had to be:
1, the present invention is applicable to all stratum except basement rock, in the present invention construction, cement paste or cement flour are combined the cement-soil of formation and can be called the cement-soil anchoring body again with the soil body, and operation of the present invention is simple, cost is low, anchor pole and bearing plate assembly are implanted in stratum, can when the cement-soil anchor construction of anchoring pile, repeat whitewashing and stir multipass, thereby improve the ratio of cement paste or the cement flour displacement soil body, thereby improve the intensity of cement-soil anchoring body, the bearing plate assembly has larger surface area, so can improve the uplift resistance of anchor pole;
2, can be used as vertical resistance to plucking anti-floating pile, the scope of application has obtained further raising;
3, the present invention adopts the process of drilling rod precession to stir soil, makes the curing compound such as cement paste or cement flour fully mix with soil, and again the bearing plate assembly is pushed in stratum in the time of the drilling rod precession, after drilling rod is advanced and is put in place, insert anchor pole at drill pipe bore again, anchor pole is threaded with the bearing plate assembly simultaneously, again drilling rod is extracted afterwards, the relation just contacted with the bearing plate assembly due to drilling rod, the previous thrust of drilling rod and the resistance of soil of just leaning on makes drilling rod and bearing plate assembly keep relatively-stationary position relationship, so, drilling rod can be extracted easily, and anchor pole and bearing plate assembly are stayed in stratum, the bearing plate assembly, anchor pole and be wrapped in the anchor pole surrounding notes cement paste or cement flour and cement-soil that form after the drilling rod blade stirs implant the stirring type anchoring pile in conjunction with the common column drill pipe bore that forms, thereby avoid the pore-forming anchor pole constructional difficulties that collapse hole causes in pore-forming, skyhook, slip casting process.Drilling rod can be constructed again after extracting next time.
4, anchor pole inserts and can guarantee the center of anchor pole at drill pipe bore implantation stirring type anchoring pile by drill pipe bore, saves pore-forming anchor pole in the past and need to install on anchor pole medium-height trestle at the anchoring pile center for guaranteeing anchor pole; And the cement-soil anchoring body that can be same anchor pole repeatedly repeats the whitewashing stirring, thereby improve the intensity of anchoring body, and can realize different cement mixing content constructions at the diverse location of same anchor as required, thereby save cement consumption, save the engineering time, the saving construction cost in the situation that guarantee same uplift resistance.
5, anchor pole adopts reinforcing bar to apply prestressing force by bolt by end of anchor rod, adding screw thread, also can apply prestressing force by common mode, as hydraulic jack, or does not apply prestressing force and can do the common bolt application, has increased the scope of application of anchor pole.
6, the bearing plate assembly has larger surface area, and it is connected with spiral thread on anchor bolt, has increased the resistance to plucking drawing-resistant function of anchor pole.
The accompanying drawing explanation
The fractionation structural representation that Fig. 1 is bearing plate assembly and drilling rod in embodiment;
The assembling drawing that Fig. 2 is bearing plate assembly and drilling rod in embodiment;
The A section enlarged drawing that Fig. 3 is Fig. 1;
The A section enlarged drawing that Fig. 4 is Fig. 2;
Fig. 5 is working state schematic representation when in embodiment, drilling rod heads on bearing plate assembly screw-in stratum;
Fig. 6 is after in embodiment, drilling rod pierces stratum, inserts the view of anchor pole in drilling rod;
Fig. 7 is after in embodiment, anchor pole is connected with the bearing plate assembly and puts in place, view when Kelly Stubb is gone out to soil;
Fig. 8 be in embodiment bearing plate assembly and anchor pole stay in stratum and with annotated cement paste or cement flour and through stirring the common view in conjunction with forming anchoring pile of the cement-soil formed;
The A section enlarged drawing that Fig. 9 is Fig. 8;
The plane structure schematic diagram that Figure 10 is the bearing plate assembly;
The A-A sectional view that Figure 11 is Figure 10;
The right view that Figure 12 is Figure 10;
The B-B sectional view that Figure 13 is Figure 10;
The C-C sectional view that Figure 14 is Figure 10;
The perspective view that Figure 15 is the bearing plate assembly;
The perspective view that Figure 16 is another angle of bearing plate assembly;
The B section enlarged drawing that Figure 17 is Fig. 8.
The specific embodiment
The specific embodiment of the present invention is as follows:
Embodiment: the board-like anchoring pile of a kind of pressure-bearing, as shown in Figure 8, Figure 9, comprise bearing plate assembly 1, anchor pole 14, bearing plate assembly 1 is 23 depths in stratum, anchor pole 14 is plugged in stratum 23 and is connected with bearing plate assembly 1, stratum 23 is all stratum except basement rock, bearing plate assembly 1, anchor pole 14 and be wrapped in the anchor pole surrounding notes cement paste or cement-soil 21 cement flour and formation after the drilling rod blade stirs the formation anchoring pile 22 that combines.
Described anchor pole 14 adopts reinforcing bar, as shown in Figure 10～16, described bearing plate assembly 1 comprises bearing plate 2, bearing plate 2 can be circular, square or other shape, in bearing plate 2 centers, is equipped with a joint 3, and joint 3 is fixedly linked with bearing plate 2, and the two ends of joint 3 all are exposed to outside bearing plate 2, be provided with a screw 4 arranged along joint 3 axis directions on the end face of joint 3 rear ends, the head of anchor pole 14 is provided with external screw thread, and anchor pole 14 is threaded with joint 3.
Specifically, take bearing plate 2 as boundary, joint 3 is divided into first half section joint 5 and second half section joint 6, front end at first half section joint 5 forms a drill bit 7, second half section joint 6 be one when being used in conjunction with drilling rod in order to seal the plug of drilling rod front end, screw 4 is arranged on plug, and in the interior pod apertures 8 that is provided with to guide cement paste or cement flour along the joint axis direction of joint 3, position near drill bit 7 on first half section joint 5 offers two spray orifices 9 that communicate with pod apertures 8, and pod apertures 8 also keeps connecting with screw 4.
Insert screw 4 for convenience of anchor pole 14, the entrance of screw 4 is the pilot hole 10 with tapering, and the head of anchor pole is screwed in screw 4 through pilot hole 10.Screw 4 can certainly be designed to integral body with tapering, and the head of anchor pole 14 also can facilitate anchor pole to screw in screw with the taper thread matched with screw 4.
Along circumferentially evenly being provided with a plurality of through holes 11, along the edge of through hole 11, to the front extreme direction of joint 3, be bent to form and cut native cutter 12 on bearing plate 2.Be fixed with two projections 13 that are used in conjunction with in order to the transmission ear with the drilling rod front end when being used in conjunction with drilling rod in addition on the plate face of the bearing plate 2 near joint 3.
As shown in Figure 8, described anchor pole 14 is divided into the free segment body of rod 15 and the anchoring section body of rod 16, this section near the bearing plate assembly is the anchoring section body of rod 16, be arranged with sleeve pipe 17 on the free segment body of rod 15,15 sealings of sleeve pipe 17 two ends and the free segment body of rod are fixedly linked, and such as tying up by iron wire, and sleeve pipe 17 and 15 of the free segment bodies of rod leave gap, be coated with anti-friction agent on the free segment body of rod 15, described anti-friction agent can be selected lubrication oil; Again or, also can, at the interior filling anti-friction agent of sleeve pipe 17, further increase degree of lubrication.
The anchoring process of the board-like anchoring pile of a kind of pressure-bearing, comprise the steps:
(1), get a hollow drilling rod 18, as shown in Fig. 1～4, front end installing bearing plate assembly 1 at drilling rod 18, the second half section joint 6 of bearing plate assembly 1 inserts in drilling rod 18 front end perforates as plug, now bearing plate 2 offsets with drilling rod 18 front ends, and whole joint cross section is circular, and the external diameter of joint is just identical with the internal diameter of drilling rod 18; Be fixed with two transmission ears 19 at drilling rod 18 front ends, described transmission ear 19 interlocks and contacts cooperation with the projection 13 on bearing plate 2, makes drilling rod 18 can drive the bearing plate assembly simultaneously and rotates.
Then drilling rod 18 front ends and plug 1 are against 23 surfaces, stratum; Drilling rod 18 rear ends are connected to the unit head (not shown) of rig, drilling rod 18 front portions are provided with stirring vane 20 again; The stirring vane 20 of drilling rod 18 front ends can adopt the various forms of blades such as sheet, shaft-like, strip, helical form.
(2), start rig, unit head drives drilling rod 18 rotations, as shown in Figure 5, makes drilling rod 18 and bearing plate assembly 1 creep into gradually the soil body from surface layer;
(3), when creeping into, adopt spouting plant or powder spraying apparatus by drilling rod 18 and bearing plate assembly 1 to soil body jet cement powder or cement paste, and by stirring vane 20, the soil body of cement paste or cement flour and drilling rod periphery is carried out to uniform stirring, screw 4, pod apertures 8 that cement paste in drilling rod 18 or cement flour enter joint 3, finally, by spray orifice 9 ejections, make cement paste or cement flour and the soil body fully mix to improve the intensity of the soil body, form cement-soil;
(4), after drilling rod 18 pierces the soil body fully and reaches the requirement degree of depth, stop injecting cement flour or cement paste, as shown in Figure 6,7, will anchor pole 14 insert in drilling rods 18 and gradually deeply until contact bearing plate assembly 1, then anchor pole 14 is connected with joint 3 screw threads in bearing plate assembly 1.
At this, it is to be noted, as shown in Fig. 8,17, described anchor pole 14 is divided into the free segment body of rod 15 and the anchoring section body of rod 16, before anchor pole 14 inserts drilling rod 18, elder generation is sheathed and sealing fixed sleeving 17 on the free segment body of rod 15, and make sleeve pipe 17 and 15 of the free segment bodies of rod leave gap, and then anchor pole 14 is inserted in drilling rod.
Again or, also first sheathed sleeve pipe 17 on the free segment body of rod 15, and make sleeve pipe 17 and 15 of the free segment bodies of rod leave gap, sleeve pipe 17 lower ends are tied up and are fixed on the free segment body of rod 15 with iron wire, from sleeve pipe 17 upper ends, pour into such as lubricated wet goods anti-friction agent again, and with iron wire, sleeve pipe 17 upper ends are fixed on the free segment body of rod 8, and then anchor pole 14 is inserted in drilling rod 18.
(5), drilling rod 18 is extracted, as shown in Figure 8,9, continue limit Stirring limit water-spray type slurry or cement flour when extracting, only stay anchor pole 14 with bearing plate assembly 1 in stratum, bearing plate assembly 1, anchor pole 14 and be wrapped in the anchor pole surrounding notes cement paste or cement-soil 21 cement flour and that form after the drilling rod stirring vane stirs combine and form anchoring pile 22.
Claims (12)
1. the board-like anchoring pile of pressure-bearing, it is characterized in that: comprise bearing plate assembly, anchor pole, the bearing plate assembly is in the depths, stratum, anchor pole is plugged in stratum and with the bearing plate assembly and is connected, bearing plate assembly, anchor pole and be wrapped in the anchor pole surrounding notes cement paste or cement flour and cement-soil that form after the drilling rod blade the stirs formation anchoring pile that combines.
2. the board-like anchoring pile of a kind of pressure-bearing according to claim 1, it is characterized in that: described anchor pole is reinforcing bar or steel bar.
3. the board-like anchoring pile of a kind of pressure-bearing according to claim 1, it is characterized in that: described bearing plate assembly comprises bearing plate, be equipped with a joint in the bearing plate center, joint and bearing plate are fixedly linked, and the two ends of joint all are exposed to outside bearing plate, be provided with a screw arranged along the joint axis direction on the end face of joint rear end, the head of anchor pole is provided with external screw thread, and anchor pole is connected with joint screw thread.
4. the board-like anchoring pile of a kind of pressure-bearing according to claim 3, it is characterized in that: take bearing plate as boundary, joint is divided into first half section joint and second half section joint, front end at first half section joint forms a drill bit, the second half section joint be one when being used in conjunction with drilling rod in order to seal the plug of drilling rod front end, screw is arranged on plug, and be provided with to guide the pod apertures of cement paste or cement flour along the joint axis direction in joint, position near drill bit on first half section joint offers the spray orifice communicated with pod apertures, and pod apertures also keeps connecting with screw.
5. the board-like anchoring pile of a kind of pressure-bearing according to claim 3 is characterized in that: the entrance of screw is screwed in screw through pilot hole for the pilot hole with tapering, rock bolt head.
6. the board-like anchoring pile of a kind of pressure-bearing according to claim 3 is characterized in that: on bearing plate along circumferentially evenly being provided with a plurality of through holes, along the edge of through hole to joint before extreme direction be bent to form and cut native cutter.
7. the board-like anchoring pile of a kind of pressure-bearing according to claim 3, is characterized in that: on the plate face of the bearing plate near joint, be fixed with the projection that at least one is used in conjunction with in order to the transmission ear with the drilling rod front end when being used in conjunction with drilling rod.
8. the board-like anchoring pile of a kind of pressure-bearing according to claim 1, it is characterized in that: described anchor pole is divided into the free segment body of rod and the anchoring section body of rod, be arranged with sleeve pipe on the free segment body of rod, sleeve pipe two ends and the sealing of the free segment body of rod are fixedly linked, and leave gap between sleeve pipe and the free segment body of rod.
9. the anchoring process of the board-like anchoring pile of pressure-bearing, it is characterized in that comprising the steps: (1), at the front opening place of hollow drilling rod installing bearing plate assembly as described as claim 1～8 any one, and drilling rod front end and bearing plate assembly are against to surface of stratum, then the drilling rod rear end is connected to the unit head of rig, the drilling rod front portion is provided with stirring vane, and near on the bar wall of drilling rod front end or be provided with the spray orifice in order to jet cement powder or cement paste on the bearing plate assembly; (2), start rig, unit head drives the drilling rod rotation, makes drilling rod and bearing plate assembly creep into gradually the soil body from surface layer; (3), when creeping into, adopt powder spraying apparatus or spouting plant by drilling rod and bearing plate assembly to soil body jet cement powder or cement paste, and by stirring vane, the soil body of cement flour or cement paste and drilling rod periphery is carried out to uniform stirring, cement flour or cement paste are fully mixed with the soil body; (4), after drilling rod pierces the soil body fully and reaches the requirement degree of depth, stop injecting cement flour or cement paste, insert in drilling rod by anchor pole and gradually deeply until contact the bearing plate assembly, then anchor pole is connected with the bearing plate assembly; (5), drilling rod is extracted, continue limit Stirring limit water-spray type slurry or cement flour when extracting, only stay anchor pole and bearing plate assembly in stratum, bearing plate assembly, anchor pole and be wrapped in the anchor pole surrounding notes cement paste or cement flour and cement-soil that form after the drilling rod stirring vane the stirs formation anchoring pile that combines.
10. the anchoring process of the board-like anchoring pile of a kind of pressure-bearing according to claim 9, it is characterized in that: in step (1), the plug of bearing plate assembly injects the drilling rod front end, and bearing plate and drilling rod front end offset, be fixed with the transmission ear on the tube wall of drilling rod front end, described transmission ear interlocks and contacts cooperation with the projection of bearing plate assembly, makes drilling rod drive the bearing plate assembly simultaneously and rotates.
11. the anchoring process of the board-like anchoring pile of a kind of pressure-bearing according to claim 9, it is characterized in that: described anchor pole is divided into the free segment body of rod and the anchoring section body of rod, in step (4), before anchor pole inserts drilling rod, elder generation's sheathed sleeve pipe on the free segment body of rod, bobbin seal is fixed on the free segment body of rod, and makes to leave gap between sleeve pipe and the free segment body of rod, and then anchor pole is inserted in drilling rod.
12. the anchoring process of the board-like anchoring pile of a kind of pressure-bearing according to claim 9, it is characterized in that: described anchor pole is divided into the free segment body of rod and the anchoring section body of rod, in step (4), before anchor pole inserts drilling rod, elder generation's sheathed sleeve pipe on the free segment body of rod, and make to leave gap between sleeve pipe and the free segment body of rod, the sealing of sleeve pipe lower end is fixed on the free segment body of rod, again from sleeve pipe upper end perfusion anti-friction agent, the sealing of sleeve pipe upper end is fixed on the free segment body of rod, finally again anchor pole is inserted in drilling rod.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310372667.XA CN103437350B (en) | 2013-05-24 | 2013-08-23 | A kind of board-like anchoring pile of pressure-bearing and anchoring process |
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| CN201310200153.6 | 2013-05-24 | ||
| CN201310200153 | 2013-05-24 | ||
| CN2013102001536 | 2013-05-24 | ||
| CN201310372667.XA CN103437350B (en) | 2013-05-24 | 2013-08-23 | A kind of board-like anchoring pile of pressure-bearing and anchoring process |
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| CN103437350A true CN103437350A (en) | 2013-12-11 |
| CN103437350B CN103437350B (en) | 2016-02-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109348945A (en) * | 2018-12-06 | 2019-02-19 | 安徽财经大学 | A kind of fixator for cotton field mulch |
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| CN201176593Y (en) * | 2008-03-28 | 2009-01-07 | 宁波大学地基处理中心 | Anchor rod for mixing soil-cement |
| CN102587367A (en) * | 2012-04-10 | 2012-07-18 | 中冶建筑研究总院有限公司 | Mechanical connection type anchor rod |
| CN203361145U (en) * | 2013-05-24 | 2013-12-25 | 郭财宝 | Pressure-bearing plate type anchor pile |
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|---|---|---|---|---|
| JP2000045274A (en) * | 1998-07-31 | 2000-02-15 | Nippon Steel Corp | Burying construction method of bearing pile and bearing pile |
| CN200964592Y (en) * | 2006-11-01 | 2007-10-24 | 中国人民解放军总参谋部工程兵科研三所 | Recoverable prestressed anchor |
| CN201176593Y (en) * | 2008-03-28 | 2009-01-07 | 宁波大学地基处理中心 | Anchor rod for mixing soil-cement |
| CN102587367A (en) * | 2012-04-10 | 2012-07-18 | 中冶建筑研究总院有限公司 | Mechanical connection type anchor rod |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109348945A (en) * | 2018-12-06 | 2019-02-19 | 安徽财经大学 | A kind of fixator for cotton field mulch |
| CN109348945B (en) * | 2018-12-06 | 2023-12-01 | 安徽财经大学 | Fixer for cotton field mulch film |
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| CN103437350B (en) | 2016-02-17 |
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