CN1504613A - Forming method for water-proof pile fender and screw drill therefor - Google Patents
Forming method for water-proof pile fender and screw drill therefor Download PDFInfo
- Publication number
- CN1504613A CN1504613A CNA021537526A CN02153752A CN1504613A CN 1504613 A CN1504613 A CN 1504613A CN A021537526 A CNA021537526 A CN A021537526A CN 02153752 A CN02153752 A CN 02153752A CN 1504613 A CN1504613 A CN 1504613A
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- nozzle
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- drilling tool
- drilling
- cement paste
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- 238000000034 method Methods 0.000 title claims abstract description 34
- 238000005553 drilling Methods 0.000 claims abstract description 84
- 239000004568 cement Substances 0.000 claims abstract description 47
- 239000004567 concrete Substances 0.000 claims abstract description 43
- 238000005507 spraying Methods 0.000 claims abstract description 9
- 239000002002 slurry Substances 0.000 claims abstract description 7
- 239000002689 soil Substances 0.000 claims description 16
- 238000000465 moulding Methods 0.000 claims description 10
- 230000015271 coagulation Effects 0.000 claims description 8
- 238000005345 coagulation Methods 0.000 claims description 8
- 230000003014 reinforcing effect Effects 0.000 claims description 8
- 238000007582 slurry-cast process Methods 0.000 claims description 8
- 239000007921 spray Substances 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 239000011150 reinforced concrete Substances 0.000 claims description 7
- 230000010412 perfusion Effects 0.000 claims description 5
- 230000035515 penetration Effects 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims 1
- 239000007924 injection Substances 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 5
- 229910001294 Reinforcing steel Inorganic materials 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 7
- 241001074085 Scophthalmus aquosus Species 0.000 description 6
- 238000001556 precipitation Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000003673 groundwater Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 229920002472 Starch Polymers 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000011378 shotcrete Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
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Abstract
The invention discloses a forming process for water-proof retainer wall and the spiral driller therefore, wherein the process comprises the steps of , (1) drilling hole by a spiral drill, forming cement slurry hole slash protection wall, (2) when the borehole reaches designed drilling depth, hoisting the drilling tool and guncreting, spraying cement slurry simultaneously to a design height, lowering reinforcing steel cage, forming armored concrete, (3) forming piles in turn based on design requirement and achieving water-proof pile retainer wall. The process according to the invention can realize rapid construction speed.
Description
Technical field
The present invention relates to a kind of forming method of concrete pile and the spiral drilling machine of use thereof, the particularly a kind of forming method of waterproof stake barricade and the spiral drilling machine of use thereof.
Background technology
When building building, need to excavate foundation ditch, before excavating foundation ditch, have because of the place restriction, can not put the slope excavation, need to make earlier retaining wall, patent ZL93120168.3 the applicant, name is called in " Superfluid state concrete and perfusion piling method and the used rig of this method ", disclose a kind of piling method of concrete pile, its activities is to hole to desired depth with spiral drilling machine, the limit promotes the drilling rod marginal not and goes into cement paste, is pressed into Superfluid state concrete, until position a little more than the hole danger of not collapsing, borer drill rod is proposed, put into reinforcing cage.The retaining wall of Zhi Zuoing like this, if under the higher geological conditions of groundwater table, must around foundation ditch, dig a well earlier, to reduce the groundwater table in the foundation ditch, and the construction plant that has is very narrow, can't beat the precipitation well, or building does not allow precipitation around planning to build the place, in order to avoid cause land subsidence, must design waterproof retaining wall.Waterproof retaining wall commonly used has diaphragm wall, agitation pile waterproof retaining wall, rotary churning pile waterproof retaining wall, and these barricades are if make according to above-mentioned technology, after rig boring, carry when boring, difference cement grouting and concrete, operation is more like this, speed of application is slow, the cost height.
Summary of the invention
The object of the present invention is to provide a kind of forming method of waterproof stake barricade and the spiral drill of use thereof, adopt the present invention, in the construction of civil engineering soil blocking pile, needn't precipitation, cost is low, and speed of application is fast, lays out pile flexibly, and error is little, and the position is accurate.
For achieving the above object, the forming method of waterproof stake barricade of the present invention, it may further comprise the steps: hole with spiral drilling machine (1), when getting into the churning degree of depth of design, start slush pump, adjust the expulsion pressure of cement paste nozzle and the rate of penetration of spiral drilling machine drilling rod, make cement paste nozzle churning cement paste, form the reaming retaining wall; (2) wait to hole when reaching the drilling depth of design, drilling rod is stopped operating, Yi Bian promote drilling rod this moment, Yi Bian guncreting when the coagulation soil pressure is poured into design height, forms concrete pile; (3) press above-mentioned steps pile successively according to the needs of design, form waterproof stake barricade.
The forming method of waterproof stake barricade of the present invention, wherein, in step (2), when drilling rod stops operating, adjust direction, the rotary speed of drilling tool and the expulsion pressure of nozzle of nozzle, then when promoting the drilling tool guncreting, surely the mud of spraying water, be sprayed onto projected depth surely after, fixed spray stops, the coagulation soil pressure is poured into design height, forms concrete pile.
The forming method of waterproof stake barricade of the present invention, wherein, the expulsion pressure of cement paste nozzle is 0.1～40MPa.
The forming method of waterproof stake barricade of the present invention wherein, finishes at concrete perfusion, remove drilling tool after, reinforcing cage is inserted in the concrete in the boring to foot of hole, form reinforced concrete pile.
The another kind of forming method of waterproof stake barricade of the present invention, it may further comprise the steps: hole with spiral drilling machine (1); (2) wait to hole when reaching the drilling depth of design, drilling tool is stopped operating, adjust the direction of nozzle, the hoisting velocity and the nozzle exit pressure of drilling tool, Yi Bian promote drilling tool this moment, one side guncreting, surely the mud of spraying water simultaneously, be sprayed onto design height surely after, fixed spray stops, when the coagulation soil pressure is poured into design height, remove drilling tool, reinforcing cage is inserted in the concrete in the stake hole to foot of hole, form reinforced concrete pile; (3) press above-mentioned steps pile successively according to the needs of design, form waterproof stake barricade.
The present invention is used for the spiral drilling machine of moulding waterproof stake barricade, comprise the chassis, be arranged on the boring tower on the chassis and be installed in drilling tool on the boring tower by the jacking system on the boring tower, described drilling tool is provided with the hollow drill of band screw blade, its top is connected with unit head through slurry casting machine, one end of unit head and concrete feeding pipe is interconnected rotatably, its lower end is provided with drill bit, be provided with valve plate in the outlet of the lower end of described hollow drill, wherein, the non-stress face of the screw blade bottom described drilling tool has the cement paste nozzle, in described hollow drill, be axially arranged with interior Grouting Pipe along it, the slurry hole of leading radially that is provided with in the upper end of interior Grouting Pipe and the described slurry casting machine is connected, and the outside of leading the slurry hole is connected with the outside flow inlet that is used to supply with cement paste, and the lower end of described interior Grouting Pipe is connected with the cement paste nozzle.
The present invention is used for the spiral drilling machine of moulding waterproof stake barricade, and wherein, described cement paste nozzle is arranged on the outward flange under the non-stress face of screw blade of described drilling tool bottom, and the axis of nozzle direction and hollow drill is perpendicular, and described nozzle is one or more.
The present invention is used for the spiral drilling machine of moulding waterproof stake barricade, and wherein, described nozzle is two, and is symmetrically distributed in the both sides of described hollow drill axis.
The present invention is used for the spiral drilling machine of moulding waterproof stake barricade, wherein, the adjusting device of pointing to the nozzle direction is installed on the top of hollow drill.
The present invention is used for the spiral drilling machine of moulding waterproof stake barricade, and wherein, Open Side Down for described valve plate, and a side of valve plate and the tube wall of hollow drill are hinged, and the opposite side of valve plate and drill bit join with the magnet locking device.
The forming method of waterproof stake barricade of the present invention and the spiral drilling machine of use thereof owing to carry out the churning cement paste when boring down, make the hole wall of boring form the reaming retaining wall, one side concrete perfusion when carrying brill, the mud of spraying water surely on one side forms the concrete pile of band plate wall, like this, under the higher orographic condition of groundwater table, the precipitation of can going ahead of the rest reduces cost, accelerates speed of application, and lay out pile flexibly, error is little.
Description of drawings
Fig. 1 is a construction process schematic diagram of the present invention;
Fig. 2 a～2d is the forming process schematic diagram of waterproof stake barricade of the present invention;
Fig. 3 a～3d is the cross-sectional view of Fig. 2 a～2d;
Fig. 4 is the schematic diagram of spiral drilling machine of the present invention;
Fig. 5 a is the schematic diagram of the drilling tool of spiral drilling machine of the present invention; Fig. 5 b is the partial enlarged drawing that is arranged on the cement paste nozzle on the screw blade;
Fig. 6 is the drill bit of drilling tool lower end and the enlarged diagram of valve plate.
The specific embodiment
Below in conjunction with drawings and Examples in detail the present invention is described in detail.
Figure 1 shows that construction process figure of the present invention, be connected with slush pump 5 with concrete pump 2 outside the spiral drilling machine 1 that concrete pump 2 is connected with cement mixer 4 with concrete mixer 3 respectively with slush pump 5.
Fig. 2 a～2d and Fig. 3 a～3d are the forming process schematic diagram of waterproof stake barricade of the present invention, and Fig. 2 a, 3a have represented drilling tool in downward boring, and the cement paste of churning has simultaneously formed the reaming retaining wall; When Fig. 2 b, 3b have represented that drilling tool boring has reached projected depth, carry brill, and meanwhile guncreting, the mud of spraying water surely simultaneously, the concrete pile of formation band plate wall; Fig. 2 c, 3c represent reinforcing cage down in the concrete in the boring and at the bottom of the hole, the reinforced concrete pile of formation band plate wall; Fig. 2 d, 3d have represented the stake barricade that the reinforced concrete pile of a plurality of band plate walls is formed.
Shown in Fig. 2 a～2d and Fig. 3 a～3d, the present invention is achieved in that (1) hole with spiral drilling machine, when getting into the churning degree of depth of design, start cement slurrypump, adjust the expulsion pressure of cement paste nozzle and the rate of penetration of spiral drilling machine drilling rod, cement paste in the cement paste agitator is delivered to the cement paste nozzle by outside flow inlet, slurry casting machine and interior Grouting Pipe, make the expulsion pressure churning cement paste of cement paste nozzle, to form cement paste reaming retaining wall with 0.1～40Mpa; (2) wait to hole when reaching the drilling depth of design, drilling tool is stopped operating, adjust the direction of nozzle, the hoisting velocity and the nozzle exit pressure of drilling tool, promote drilling tool then on one side, start concrete pump on one side, concrete in the concrete mixer is sent into the hollow drill of spiral drilling machine by the concrete feed pipe, because action of gravity is opened the back guncreting with valve plate, start the cement slurrypump mud of spraying water surely simultaneously, surely after being sprayed onto projected depth, fixed spray stops, when the coagulation soil pressure is poured into design height, remove drilling tool, form concrete pile; (3) press above-mentioned steps pile successively according to the needs of design, form waterproof stake barricade.In step (2) afterwards, according to actual needs, reinforcing cage is inserted into fills concrete foot of hole, form the reinforced concrete pile barricade.
Adopt this method, the cement paste of churning simultaneously in the process of spiral drilling machine boring, reaming, retaining wall are carried out in boring, prevent the hole of collapsing, simultaneously, the unnecessary cement paste that churning is come out rises to ground along hole wall, the cement paste between hole wall and the blade is squeezed into the duricrust of cement paste dado by the soil on screw blade and the blade, make the cement paste in the concrete in the hole can not absorbed, permeate by soil, under the where matter condition no matter in office, concrete in the hole is all keeping original physical property, guarantees that reinforcing cage can successfully insert foot of hole.When rig is bored into certain depth, the guncreting and the mud of spraying water surely when carrying brill, the concrete pile of formation band plate wall makes board wall more closely knit through churning and fixed spray between two, prevents the infiltration of sealing.
In the above-described embodiments, employed concrete can adopt the applicant's patent, the patent No. is ZL93120168.3, name is called the Superfluid state concrete in " Superfluid state concrete and perfusion piling method and the used rig of this method ", this kind Superfluid state concrete good fluidity, levelling voluntarily, automatically closely knit, anti-good dispersion, the intensity height, stone can suspend therein.
The foregoing description is an illustrated embodiments, in the work progress of reality, and also churning cement paste when boring down only, and do not carry out deciding spray when carrying brill, form a stake barricade; Perhaps, not churning cement paste when boring down, and carry out deciding spray when carrying brill, and forming a stake barricade, these methods are all within the scope that the present invention protected.
The forming method of above-mentioned waterproof stake barricade, the slope protection pile that is used to make foundation ditch also can be used for making foundation pile.
Figure 4 shows that the spiral drilling machine schematic diagram, spiral drilling machine comprises chassis 6, be arranged on the boring tower 11 on the chassis 6 and be installed in drilling tool 7 on the boring tower 11 by the jacking system on the boring tower 11 12, drilling tool 7 is shown in Fig. 5 a, it is provided with the hollow drill 13 of band screw blade 8, its top is connected with unit head 14 through slurry casting machine 20, unit head 14 is interconnected rotatably with an end of concrete feeding pipe 10, the other end of concrete feeding pipe 10 is connected with concrete pump 2, motor 19 drives unit head 14 by not shown reductor and rotates, and carries out bore operation thereby drilling tool 7 is rotated; The lower end of hollow drill 13 is provided with drill bit 9, be provided with valve plate 15 in the outlet of the lower end of described hollow drill 13, non-stress face at the screw blade 8 of described drilling tool 7 bottoms has cement paste nozzle 16, Grouting Pipe 17 in described hollow drill 13, being axially arranged with along it, the leading and starch hole 21 and be connected radially that is provided with in its upper end and the described slurry casting machine 20, the outside of leading slurry hole 21 links to each other by slurry casting machine 20 with the outside flow inlet 18 that is used to supply with cement paste, the other end of outside Grouting Pipe 18 is connected with cement slurrypump 5, the lower end of Grouting Pipe 17 links to each other with cement paste nozzle 16 in described, the cement paste nozzle is shown in Fig. 5 b, its outward flange under the non-stress face of the screw blade 8 of described drilling tool 7 bottoms, the axis of nozzle 16 directions and hollow drill 13 is perpendicular, described nozzle 16 is preferably two, and be symmetrically distributed in the both sides of described hollow drill 13 axis, nozzle is provided with like this, directly impact during gunite, soil layer beyond the extrusion spiral blade, the cement paste that penetrates directly mixes with screw blade soil layer in addition, forming harder concrete duricrust, is 80～220kg/cm to the intensity of sand soil layer
2, be 40～120kg/cm to the intensity of viscous soil horizon
2, the cement paste of nozzle ejection also has osmosis to the soil layer more than the medium sand; On the top of hollow drill the adjusting device of regulating the nozzle direction is installed, not shown, this adjusting device can be installed a steering yoke, and the direction that the sign or the like of perhaps drawing can be pointed to nozzle gets final product; Shown in Figure 6, Open Side Down for described valve plate 15, one side of valve plate 15 and the tube wall of hollow drill 13 are hinged, the opposite side of valve plate 15 and drill bit 9 join with magnet locking device 22, in the process that this valve plate bores under drilling tool, owing to the extruding of earth close very tight, in putting forward the process of brill, because valve plate is washed in concrete action of gravity open, the coagulation soil pressure is irritated to boring.
Claims (10)
1. the forming method of a waterproof stake barricade, it may further comprise the steps: hole with spiral drilling machine (1), when getting into the churning degree of depth of design, start slush pump, adjust the expulsion pressure of cement paste nozzle and the rate of penetration of spiral drilling machine drilling rod, make cement paste nozzle churning cement paste, form the reaming retaining wall; (2) wait to hole when reaching the drilling depth of design, drilling rod is stopped operating, Yi Bian promote drilling rod this moment, Yi Bian guncreting when the coagulation soil pressure is poured into design height, forms concrete pile; (3) press above-mentioned steps pile successively according to the needs of design, form waterproof stake barricade.
2. the forming method of waterproof stake barricade as claimed in claim 1, it is characterized in that: in step (2), when drilling rod stops operating, adjust direction, the rotary speed of drilling tool and the injection side of pressureing of nozzle of nozzle, then in lifting drilling tool guncreting, the mud of spraying water surely, surely after being sprayed onto projected depth, fixed spray stops, and the coagulation soil pressure is poured into design height, forms concrete pile.
3. the forming method of waterproof stake barricade as claimed in claim 1 is characterized in that: the expulsion pressure of cement paste nozzle is 0.1～40MPa.
4. as the forming method of claim 1,2 or 3 described waterproof stake barricades, it is characterized in that: finish at concrete perfusion, remove drilling tool after, reinforcing cage is inserted in the concrete in the boring to foot of hole, form reinforced concrete pile.
5. the forming method of a waterproof stake barricade, it may further comprise the steps: hole with spiral drilling machine (1); (2) wait to hole when reaching the drilling depth of design, drilling tool is stopped operating, adjust the direction of nozzle, the hoisting velocity and the nozzle exit pressure of drilling tool, Yi Bian promote drilling tool this moment, one side guncreting, surely the mud of spraying water simultaneously, be sprayed onto design height surely after, fixed spray stops, when the coagulation soil pressure is poured into design height, remove drilling tool, reinforcing cage is inserted in the concrete in the stake hole to foot of hole, form reinforced concrete pile; (3) press above-mentioned steps pile successively according to the needs of design, form waterproof stake barricade.
6. spiral drilling machine that is used for moulding waterproof stake barricade, comprise the chassis, be arranged on the boring tower on the chassis and be installed in drilling tool on the boring tower by the jacking system on the boring tower, described drilling tool is provided with the hollow drill of band screw blade, its top is connected with unit head through slurry casting machine, one end of unit head and concrete feeding pipe is interconnected rotatably, its lower end is provided with drill bit, be provided with valve plate in the outlet of the lower end of described hollow drill, it is characterized in that: the non-stress face of the screw blade bottom described drilling tool has the cement paste nozzle, in described hollow drill, be axially arranged with interior Grouting Pipe along it, the slurry hole of leading radially that is provided with in the upper end of interior Grouting Pipe and the described slurry casting machine is connected, the outside of leading the slurry hole is connected with the outside flow inlet that is used to supply with cement paste, and the lower end of described interior Grouting Pipe is connected with the cement paste nozzle.
7. the spiral drilling machine that is used for moulding waterproof stake barricade as claimed in claim 6, it is characterized in that: described cement paste nozzle is arranged on the outward flange under the non-stress face of screw blade of described drilling tool bottom, the axis of nozzle direction and hollow drill is perpendicular, and described nozzle is one or more.
8. the spiral drilling machine that is used for moulding waterproof stake barricade as claimed in claim 7 is characterized in that: described nozzle is two, and is symmetrically distributed in the both sides of described hollow drill axis.
9. the spiral drilling machine that is used for moulding waterproof stake barricade as claimed in claim 8 is characterized in that: the adjusting device of pointing to the nozzle direction is installed on the top of hollow drill.
10. as the described any spiral drilling machine that is used for moulding waterproof stake barricade of claim 6～9, it is characterized in that: Open Side Down for described valve plate, and a side of valve plate and the tube wall of hollow drill are hinged, and the opposite side of valve plate and drill bit join with the magnet locking device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02153752 CN1206417C (en) | 2002-12-04 | 2002-12-04 | Forming method for water-proof pile fender and screw drill therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02153752 CN1206417C (en) | 2002-12-04 | 2002-12-04 | Forming method for water-proof pile fender and screw drill therefor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1504613A true CN1504613A (en) | 2004-06-16 |
| CN1206417C CN1206417C (en) | 2005-06-15 |
Family
ID=34235284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02153752 Expired - Fee Related CN1206417C (en) | 2002-12-04 | 2002-12-04 | Forming method for water-proof pile fender and screw drill therefor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1206417C (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100465383C (en) * | 2006-06-26 | 2009-03-04 | 河海大学 | Multiple head small diameter long screw drilling wall forming machine |
| CN102359121A (en) * | 2011-09-15 | 2012-02-22 | 山东省水利科学研究院 | Underground grouting continuous wall construction method |
| CN102748036A (en) * | 2012-07-03 | 2012-10-24 | 中铁十二局集团有限公司 | Slurry proportioning and construction method for reinforcing dry powder fine sand layer tunnel |
| CN102767332A (en) * | 2012-08-11 | 2012-11-07 | 威海市水利岩土工程有限公司 | Screw pile machine and cast-in place pile construction method |
| CN104070604A (en) * | 2014-07-15 | 2014-10-01 | 广东工业大学 | Indoor cement soil stirring device |
| CN104329020A (en) * | 2014-10-14 | 2015-02-04 | 北京中岩大地工程技术有限公司 | Reinforced long-screw rock-socketed construction equipment and process thereof |
| CN105464079A (en) * | 2015-12-24 | 2016-04-06 | 李金良 | Forming construction method of long-spiral pore-forming pile-slab-pile supporting and anti-seepage continuous wall |
| CN107905742A (en) * | 2017-11-28 | 2018-04-13 | 黄忠超 | A kind of electric pole perforator |
| CN108562328A (en) * | 2018-03-26 | 2018-09-21 | 浙江吉通地空建筑科技有限公司 | A kind of detection method of TRD cement soil walls |
| CN108914947A (en) * | 2018-09-19 | 2018-11-30 | 山东倍特力地基工程技术有限公司 | Foundation pit anchor wall draws the construction method of anchor supporting and its supporting construction of drilling tool and formation |
| CN110206030A (en) * | 2019-07-04 | 2019-09-06 | 山东倍特力地基工程技术有限公司 | Squeeze spray reaming cast-with-pressure concrete pile and its construction method and drilling machine |
-
2002
- 2002-12-04 CN CN 02153752 patent/CN1206417C/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100465383C (en) * | 2006-06-26 | 2009-03-04 | 河海大学 | Multiple head small diameter long screw drilling wall forming machine |
| CN102359121A (en) * | 2011-09-15 | 2012-02-22 | 山东省水利科学研究院 | Underground grouting continuous wall construction method |
| CN102748036B (en) * | 2012-07-03 | 2015-04-22 | 中铁十二局集团有限公司 | Slurry proportioning and construction method for reinforcing dry powder fine sand layer tunnel |
| CN102748036A (en) * | 2012-07-03 | 2012-10-24 | 中铁十二局集团有限公司 | Slurry proportioning and construction method for reinforcing dry powder fine sand layer tunnel |
| CN102767332A (en) * | 2012-08-11 | 2012-11-07 | 威海市水利岩土工程有限公司 | Screw pile machine and cast-in place pile construction method |
| CN102767332B (en) * | 2012-08-11 | 2015-05-13 | 威海市水利岩土工程有限公司 | Screw pile machine and cast-in place pile construction method |
| CN104070604A (en) * | 2014-07-15 | 2014-10-01 | 广东工业大学 | Indoor cement soil stirring device |
| CN104070604B (en) * | 2014-07-15 | 2016-08-03 | 广东工业大学 | Indoor water earth agitating device |
| CN104329020A (en) * | 2014-10-14 | 2015-02-04 | 北京中岩大地工程技术有限公司 | Reinforced long-screw rock-socketed construction equipment and process thereof |
| CN105464079A (en) * | 2015-12-24 | 2016-04-06 | 李金良 | Forming construction method of long-spiral pore-forming pile-slab-pile supporting and anti-seepage continuous wall |
| CN107905742A (en) * | 2017-11-28 | 2018-04-13 | 黄忠超 | A kind of electric pole perforator |
| CN108562328A (en) * | 2018-03-26 | 2018-09-21 | 浙江吉通地空建筑科技有限公司 | A kind of detection method of TRD cement soil walls |
| CN108914947A (en) * | 2018-09-19 | 2018-11-30 | 山东倍特力地基工程技术有限公司 | Foundation pit anchor wall draws the construction method of anchor supporting and its supporting construction of drilling tool and formation |
| CN110206030A (en) * | 2019-07-04 | 2019-09-06 | 山东倍特力地基工程技术有限公司 | Squeeze spray reaming cast-with-pressure concrete pile and its construction method and drilling machine |
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|---|---|
| CN1206417C (en) | 2005-06-15 |
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Inventor after: Li Jinliang Inventor before: He Qinglin |
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Effective date of registration: 20160929 Address after: Shandong City, Jining province 272000 City District Guang River Road No. 86 Xinyuan District No. 4 Building 3 unit 505 Patentee after: Li Jinliang Address before: 100081 No. 60 South College Road, Beijing, Haidian District Patentee before: He Qinglin |
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| TR01 | Transfer of patent right | ||
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Effective date of registration: 20190115 Address after: 272000 West Hukou, East Unit, A20 Building, Guanya Xingcheng, Jining High-tech Zone, Shandong Province Patentee after: SHANDONG BEI TE LI FOUNDATION ENGINEERING TECHNOLOGY Co.,Ltd. Address before: 272000 Unit 505, Unit 3, Building 4, Xinyuan District, 86 Fanhe Road, Shizhong District, Jining City, Shandong Province Patentee before: Li Jinliang |
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| 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: 20050615 Termination date: 20211204 |