CN106996105A - Down-the-hole impacts jet mixing pile constructing process and equipment - Google Patents
Down-the-hole impacts jet mixing pile constructing process and equipment Download PDFInfo
- Publication number
- CN106996105A CN106996105A CN201710346378.0A CN201710346378A CN106996105A CN 106996105 A CN106996105 A CN 106996105A CN 201710346378 A CN201710346378 A CN 201710346378A CN 106996105 A CN106996105 A CN 106996105A
- Authority
- CN
- China
- Prior art keywords
- pile
- hole
- high pressure
- drilling rod
- soil
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 56
- 238000002156 mixing Methods 0.000 title claims abstract description 43
- 230000008569 process Effects 0.000 title claims abstract description 33
- 238000005553 drilling Methods 0.000 claims abstract description 97
- 238000010276 construction Methods 0.000 claims abstract description 40
- 239000000203 mixture Substances 0.000 claims abstract description 20
- 238000005507 spraying Methods 0.000 claims abstract description 19
- 239000002689 soil Substances 0.000 claims description 75
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 73
- 239000002002 slurry Substances 0.000 claims description 57
- 239000004568 cement Substances 0.000 claims description 38
- 238000003756 stirring Methods 0.000 claims description 32
- 230000000694 effects Effects 0.000 claims description 19
- 238000005516 engineering process Methods 0.000 claims description 14
- 239000011083 cement mortar Substances 0.000 claims description 13
- 230000015572 biosynthetic process Effects 0.000 claims description 12
- 238000002347 injection Methods 0.000 claims description 12
- 239000007924 injection Substances 0.000 claims description 12
- 206010001497 Agitation Diseases 0.000 claims description 8
- 238000013019 agitation Methods 0.000 claims description 8
- 238000005259 measurement Methods 0.000 claims description 8
- 239000007921 spray Substances 0.000 claims description 8
- 238000005520 cutting process Methods 0.000 claims description 6
- 238000013461 design Methods 0.000 claims description 6
- 239000002131 composite material Substances 0.000 claims description 5
- 230000001360 synchronised effect Effects 0.000 claims description 5
- 238000012546 transfer Methods 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 230000004888 barrier function Effects 0.000 claims description 4
- 238000000227 grinding Methods 0.000 claims description 4
- 239000011150 reinforced concrete Substances 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 239000004567 concrete Substances 0.000 claims description 3
- 238000011065 in-situ storage Methods 0.000 claims description 3
- 230000003068 static effect Effects 0.000 claims description 3
- 238000002224 dissection Methods 0.000 claims description 2
- 230000006378 damage Effects 0.000 claims 1
- 230000002787 reinforcement Effects 0.000 claims 1
- 238000009776 industrial production Methods 0.000 abstract description 2
- 238000005755 formation reaction Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 7
- 239000004576 sand Substances 0.000 description 5
- 238000007569 slipcasting Methods 0.000 description 5
- 239000011440 grout Substances 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 239000000956 alloy Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000004927 clay Substances 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- 238000004537 pulping Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000012407 engineering method Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000003415 peat Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000011378 shotcrete Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
- E02D5/46—Concrete or concrete-like piles cast in position ; Apparatus for making same making in situ by forcing bonding agents into gravel fillings or the soil
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
- Earth Drilling (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention provides a kind of down-the-hole impact jet mixing pile constructing process and equipment.Down-the-hole impact rotating spraying mixture pile construction equipment includes：Drilling rod；Down-the-hole air hammer, is arranged on the bottom of the drilling rod；Agitating device, is connected to the lateral of the drilling rod or down-the-hole air hammer；Nozzle, is arranged on the lateral of the down-the-hole air hammer；Wherein, there is the pressure-air path connected between the drilling rod, nozzle and down-the-hole air hammer.The down-the-hole impacts jet mixing pile constructing process, and rotating spraying mixture pile construction equipment is impacted using foregoing down-the-hole.Ground adaptability of the present invention is strong, reduces pollution and influence that industrial production is produced on environment.
Description
Technical field
The present invention relates to Geotechnical Engineering field, and in particular to a kind of down-the-hole impact jet mixing pile constructing process and equipment.
Background technology
High-pressure rotary jet grouting pile be used to handling mud, silt, banket, the foundation stabilization of the soil body such as sand, it is more be used for foundation ditch,
The sealing of the engineerings such as water conservancy, subway.Because traditional its equipment dynamic of churning technique is smaller, in heavily fortified points such as construction gravel layer, erratic boulders
During hard formation, the quality factor such as depth of pore forming, perpendicularity, pile body diameter can not ensure, water-stagnating effect is general and returns slurry amount greatly, water
Mud utilization rate is low, and job site is dirty and messy, workload of removing contamination is big.
Cement mixing pile is the saturation for handling the various origin causes of formation such as mud, muck soil, silt, sandy soil, peat soil
A kind of method of soft clay foundation, by the use of cement as curing agent, by Mixing Machine by soil and cement action of forced stirring, utilizes water
A series of physical chemical reaction produced by between mud and weak soil, makes weak soil harden into globality, water stability and certain
The reinforcing body of intensity.It is primarily used to form composite foundation, supporting construction, seepage proof curtain etc..Due to current China's Mixing Machine
Performance comparision falls behind, and pile depth is generally less than 30m, and pile breaking phenomenon is extremely common.Stratum is poor for applicability, is only applicable to soft viscous
Property the general stratum such as soil, muck soil, stir difficult in the firm hard formations such as layer of sand, gravel layer, pile depth is relatively low.
Deficiency with regard to the traditional engineering method of both the above is analyzed：
1st, pile-forming effect is poor：Conventional high-tension rotary churning pile, cement mixing pile constructing process, in expanded diameter, pile depth, hang down
There are problems in terms of straight degree.Rotary churning pile currently commonly uses single pipe method, dual tube method, tri-tube method, and maximum expanded diameter is small
In 1.0m, churning equipment dynamic is smaller, and effective pile depth is general in 20.0m~25.0m, in the layer of sand of preservation artesian water by
Dynamic water influence pile-forming effect extreme difference, and power is located at drilling rod top, perpendicularity is larger and whard to control by formation influence；Cement is stirred
Mix stake it is conventional have single shaft, twin shaft, three axle paddling process, expanded diameter is generally 500~800mm, and effective pile depth is less than
30.0m.Because the paddling process of existing use in equipment and process aspect has many deficiencies, easily cause stirring depth, pile body equal
Even property and continuity can not ensure.Show as：A, grout outlet position are on agitating shaft, and the stake axle that slurries focus mostly in mouth spray is attached
Closely, blade outer rim lacks slurry, forms cement mortar enrichment.B, whitewashing mode are unreasonable, currently have sinking to whitewash and two kinds of lifting whitewashing
Form, soil when whitewashing that sinks is not blended, and slurries are difficult to spread into the surrounding soil body, and cement mortar stem is easily formed at grout outlet；
Lack necessary stirring number of times after lifting whitewashing, easily cause soil cement intensity too low.Soil-cement number of times is not enough after c, whitewashing,
Including following several reasons：Whitewashing lifts excessive velocities, stirring number of times is not enough, blade quantity is very few, power of motor is relatively low, stirring
The stirring number of times circulated above and below axle is on the low side.
2nd, drilling property is poor：Both the above process equipment unit head is respectively positioned at the top of drilling rod and drilling rod guidance quality is poor, is difficult to hang down
Straight drilling, when running into sand gravel stratum, erratic boulder, manually filling out the bad grounds such as the old basis of Haiti layer, jackstone, concrete, basement rock
It then can not creep into or produce deflected file；When the construction water-seal pile between support pile, influenceed by support pile expanding (" pregnant ")
It is larger, cause to creep into or need piling to handle.Mixing pile is in sand-pebble layer, because power set power is relatively low, blade
Bearing capacity is poor, and stirring depth is limited, can not typically be applied on similar stratum.
In summary, at least there is problems with the prior art：Existing mixing pile construction pile-forming effect is poor, drilling property
Difference.
The content of the invention
The present invention provides a kind of down-the-hole impact jet mixing pile constructing process and equipment, to solve existing mixing pile construction
The problem of pile-forming effect is poor, drilling property is poor.
Therefore, the present invention proposes a kind of down-the-hole impact rotating spraying mixture pile construction equipment, the down-the-hole impacts rotating spraying mixture pile
Construction equipment includes：
Drilling rod；
Down-the-hole air hammer, is arranged on the bottom of the drilling rod；
Agitating device, is connected to the lateral of the drilling rod or down-the-hole air hammer；
Nozzle, is arranged on the outside of the down-the-hole air hammer；
Wherein, there is the pressure-air path connected between the drilling rod and down-the-hole air hammer；The down-the-hole air hammer is also
Including：The high pressure slurry pipe line being connected with drilling rod, the high pressure slurry pipe line mutually separates with pressure-air path；The nozzle connects
Connect the high pressure slurry pipe line.
Further, the agitating device is helical blade or uses spaced blade.
Further, the agitating device is arranged on the outer wall of the drilling rod or down-the-hole air hammer.
Further, the down-the-hole air hammer includes：Upper port, lower port, between upper port and lower port in
Empty inner chamber, the side wall for surrounding the hollow cavity, the inner cylinder being connected in the lower port, the set being connected to outside the inner cylinder
The nozzle managed, be connected to the drill bit of downhole drill hammer of the inner cylinder and sleeve bottom and be arranged on the outside of described sleeve pipe, its
In, the nozzle is located at the top of the drill bit of downhole drill hammer and is arranged on the outside of described sleeve pipe,
The nozzle connects the high pressure slurry pipe line, and the high pressure slurry pipe line connects described sleeve pipe.
Further, the high pressure slurry pipe line includes：Along the first paragraph pipeline of the axis setting of the drilling rod, it is arranged on
In the side wall and along the parallel drilling rod the 3rd section of pipeline setting of axis and be connected to the first paragraph pipeline and the
Second segment pipeline between three sections of pipelines, second segment pipeline being radially arranged along the drilling rod.
Further, under the injection direction of the nozzle is horizontally or obliquely, the number of the nozzle is multiple.
The present invention also proposes a kind of down-the-hole impact jet mixing pile constructing process, and churning is impacted using foregoing down-the-hole
Mixing pile construction equipment, the down-the-hole impact jet mixing pile constructing process comprises the following steps：
Step A：Using the down-the-hole air hammer positioned at drilling rod bottom, the dither and height produced during sinking under impact
Press air to carry out impact failure to the soil body and carry out pore-forming；
Step B：While down-the-hole air hammer works, nozzle sprays water under high pressure and carries out lateral churning；
Step C：While down-the-hole air hammer works, agitating device synchronous rotary operation；With reference to the cutting of the water under high pressure
Effect, carries out rotary-cut stirring to the soil body, makes soft of soil into liquid-plastic state, condition is provided for post-injection cement mortar.
Further, pore-forming reaches after designed elevation switches to water under high pressure mud by water under high pressure, nozzle injection high pressure cement
While slurry, the soil of water under high pressure mud and liquid-plastic state is carried out secondary agitation by agitating device, is impacted and revolved by the down-the-hole of nozzle
Spray and the synergy of the rotary-cut of agitating device stirring, are sufficiently mixed the soil and water under high pressure mud of liquid-plastic state, form water
Soil stake.
Further, down-the-hole impact jet mixing pile constructing process be used to construct curtain pile and composite foundation when, institute
Down-the-hole impact jet mixing pile constructing process is stated to specifically include：
Step D：Stake position measuring：According to design stake position, stake position is carried out using conventional measurement devices or gps position measurement technology
Measurement and positioning；
Step E：Drilling and forming hole operation：After down-the-hole impact rotating spraying mixture pile machine is in place, the device that turns on the power driving drilling rod turns
It is dynamic, pressure-air is provided to drilling rod bottom down-the-hole air hammer, driving impactor is started working；Agitating device is used in the driving of drilling rod
Lower beginning rotary operation, rotary-cut stirring further to the soil body；While drilling the high pressure not less than 15MPa pressure is provided to drilling rod
Water, carries out the cutting softening soil body；Under dither, rotary-cut stirring, water under high pressure, high pressure gas collective effect, while the destruction soil body
While drilling of sinking, when meeting hard barrier, direct impact grinding is moulded the block of broken formation with stream using agitating device
The soil shear failure of state is uniform；
Step F：Pile operation：After pore-forming to projected depth, the water under high pressure sprayed is switched into water under high pressure mud, led to
The secondary agitation effect of the high-pressure jet and agitating device of too high compressed water slurry, water under high pressure mud is mixed with the soil of liquid-plastic state
Uniformly, it can be needed to be lifted according to construction, transfer drill bit progress repetition jet mixing, formation is relatively large in diameter, the uniform stake of soil cement
Body.
Further, down-the-hole impact jet mixing pile constructing process be used to construct pile foundation and anti-float anchor rod when, institute
Down-the-hole impact jet mixing pile constructing process is stated to specifically include：
Step H：Stake position measuring：According to design stake position, stake position is carried out using conventional measurement devices or gps position measurement technology
Measurement and positioning；
Step I：Soil cement stud pore-forming operation：After down-the-hole impact rotating spraying mixture pile machine is in place, the device that turns on the power driving
Drilling rod is rotated, and pressure-air is provided to drilling rod bottom down-the-hole air hammer, and driving impactor is started working.Agitating device is in drilling rod
Driving lower beginning rotary operation, rotary-cut stirring further to the soil body；There is provided while drilling to drilling rod and be not less than 15MPa pressure
Water under high pressure, carry out cutting softening the soil body；Under dither, rotary-cut stirring, water under high pressure, high pressure gas collective effect, while broken
The bad soil body is while drilling of sinking, when meeting hard barrier, direct impact grinding, using agitating device by the block of broken formation
Soil shear failure with liquid-plastic state is uniform；
Step J：Soil cement stud pile operation：After pore-forming to projected depth, the water under high pressure sprayed is switched into height
Compressed water slurry, is acted on by the high-pressure jet of water under high pressure mud and the secondary agitation of agitating device, water under high pressure mud is moulded with stream
The soil of state is well mixed, and can be needed to be lifted according to construction, be transferred drill bit progress repetition jet mixing, formation is relatively large in diameter, water
The uniform pile body of soil；
Step K：Core stake pile operation：Wherein, core stake pile operation is specially
When core stake is cast-in-situ steel reinforced concrete stake, after soil cement stud pile 4~6 hours, using immersed tube rig set
Pipe follow-up impact holing, while impact holing, carries out ground extruding to soil cement stud, reaches and reinforcing bar is transferred after projected depth
Cage, pours core pile concrete, promotes sleeve pipe pile；Or
, immediately will using vibratory drilling method, hammering method or static pressure method after soil cement stud pile when core stake is prefabricated tubular pile
Prefabricated tubular pile is transferred to designed elevation；Or
When being constructed for anti-float anchor rod, after soil cement stud pile, anchor pole is implanted into.
The present invention and conventional high-tension rotary churning pile (single pipe method, dual tube method, tri-tube method) and cement mixing pile are (single shaft, double
Axle, three axles) method is different, and its feature is：
(1) borer frame is simple in construction, using one-step pore-creating pile pattern, and drilling rod is without dismantling, need not draw hole.
(2) ground adaptability is strong, it is adaptable to the general stratum such as plain fill, miscellaneous fill, cohesive soil, silt and sand, and special
Not Shi Yongyu the muck soil of soft clay area, high saturation cohesive soil and being difficult to creep into gravel layer, erratic boulder, manually fill out sea etc.
Bad ground.
(3) new working mechanism is proposed, down-the-hole is impacted into churning technique organically combines with stirring technique, is allowed to be formed mutually
Mend.The rotary-cut stirring of dither, agitating device in down-the-hole air hammer and water under high pressure (slurry), the linkage effect of high pressure gas
Under, form the cement earth pile that intensity is higher, uniformity is good.
(4) effects of energy conservation and environmental protection is good, and this craft cement utilization rate is high, solves traditional churning technique and returns slurry amount greatly, scene
Seriously polluted the problem of, the combination that down-the-hole impacts churning technique and cement mixing technique is reduced into helical blade and falls soil
Amount.The united mode of " down-the-hole impact churning+rotary-cut stirring " is more uniformly distributed the mixing of cement mortar and the soil body, forms the strong of pile body
Degree is also high compared with traditional handicraft, therefore cement utilization rate is improved, and under equality strength and impervious indicator conditions, it is required
Cement amount will decrease.By reducing such a high energy consumption of cement, the material usage of high pollution can effectively reduce energy consumption,
Pollution and influence that industrial production is produced on environment are reduced, is that certain contribution is made in low-carbon economy and social construction.
Brief description of the drawings
Fig. 1 impacts rotating spraying mixture pile construction technology process schematic diagram for the down-the-hole of the present invention；
Fig. 2 is the formation of pile flow chart in the down-the-hole impact jet mixing pile constructing process of the present invention；
Fig. 3 impacts the overall structure diagram of rotating spraying mixture pile construction equipment for the down-the-hole of the specific embodiment of the invention；
Fig. 4 is the schematic top plan view of the drilling rod of the present invention；
Fig. 5 is the structural representation of the agitating device of the first specific embodiment of the invention；
Fig. 6 is the structural representation of the agitating device of the second specific embodiment of the invention；
Fig. 7 is used for the structural representation of the first specific embodiment of supporting construction water-stop curtain for the construction technology of the present invention
Figure；
Fig. 8 is used for the structural representation of the second specific embodiment of supporting construction water-stop curtain for the construction technology of the present invention
Figure；
Fig. 9 is used for the structural representation of composite foundation for the construction technology of the present invention；
Figure 10 is used for the schematic diagram of the first specific embodiment of foundation pile for the construction technology of the present invention；
Figure 11 is used for the schematic diagram of the second specific embodiment of foundation pile for the construction technology of the present invention；
Figure 12 is used for the schematic diagram of the first specific embodiment of anti-float anchor rod for the construction technology of the present invention；
Figure 13 is used for the schematic diagram of the second specific embodiment of anti-float anchor rod for the construction technology of the present invention；
Figure 14 is the structural representation of the down-the-hole air hammer of the present invention；
Figure 15 is the cross section structure diagram at A-A in Figure 14.
Drawing reference numeral explanation：
1st, down-the-hole air hammer 2, agitating device 3, nozzle
4th, drilling rod 5, high pressure slurry pipe line 6, fixed support
7th, pressure-air path 8, air inlet pipe 9, water inlet pipe
10th, power set 11, impactor lubricating oil storage container 12, air compressor machine
13rd, grouting pump 14, water butt 15, grout-stirring barrel
16th, filter pulp bucket 17, slurry storing tank 18, borer frame
19th, support pile 20, water-seal pile 21, blinding layer
22nd, mattress layer 23, cement earth pile 24, soil cement stud
25th, cast-in-situ reinforced concrete core stake (reinforced concrete pile) 26, prefabricated tubular pile 27, anchor rod body
61 side walls 62, the inner cylinder of O-ring 65
611st, high-pressure slip-casting pipe jointing 612, taper screw thread 613, first paragraph pipeline 614, the 3rd section of pipeline
615th, second segment pipeline
631st, taper screw thread 632, annular groove 633, water under high pressure (slurry) pipeline 634, sleeve pipe
635 drill bit of downhole drill hammer
641st, hollow bolt 642, neck bush
Embodiment
In order to which technical characteristic, purpose and effect to the present invention are more clearly understood from, now control illustrates this hair
It is bright.
As shown in figure 3, the down-the-hole impact rotating spraying mixture pile construction equipment of the present invention includes：
Drilling rod 4；
Down-the-hole air hammer 1, is arranged on the bottom of the drilling rod 4；
Agitating device 2, is connected to the outside of the down-the-hole air hammer 1；Agitating device work synchronous with the down-the-hole air hammer
Make；
Nozzle 3, is arranged on the lateral of the drilling rod；
As shown in figure 4, the inside of drilling rod 4 is provided with the passage of insertion, the height of the drill bit or down-the-hole air hammer 1 is respectively connecting to
Mud jacking liquid pipeline 5 and pressure-air path 7；High pressure slurry pipe line 5 mutually separates with pressure-air path；Pressure-air passes through drilling rod
Internal annular space shape pressure-air path 7 reaches down-the-hole air hammer, and driving down-the-hole air hammer work, water under high pressure (slurry) passes through drilling rod
Internal high pressure slurry pipe line 5 reaches nozzle 3.Wherein, have the high pressure connected empty between the drilling rod 4 and down-the-hole air hammer 1
Gas path 7.The down-the-hole air hammer of drill rod end, the dither and pressure-air produced during sinking under impact enters to the soil body
Row impact failure, while down-the-hole air hammer works, agitating device synchronous rotary operation is right with reference to the dissection of water under high pressure
The soil body carries out rotary-cut stirring, and condition is provided for post-injection cement mortar.The present invention is proposed " down-the-hole impact churning+rotary-cut stirring "
Brand-new working mechanism, pile strength, uniformity and pile body Forming Quality can be improved.
Further, as shown in Figure 5 and Figure 6, the agitating device 2 is helical blade or uses spaced blade,
Spaced blade is discontinuous stirring vane.Blade quantity, size, spacing, position are arranged according to actual needs.
Further, the agitating device 2 can be arranged on the drilling rod 4 or down-the-hole air hammer 1 by way of welding
Outer wall on.Agitating device can be provided separately within drilling rod or down-the-hole air hammer outer wall, and also removable form is arranged on drilling rod and latent
Hole impactor outer wall, for example, being all disposed with agitating device on drilling rod or down-the-hole air hammer outer wall.
The present invention can be on the basis of the maturation process of downhole impacting high-pressure jet grouting pile, on the end of drilling rod 4 and drill bit 1
Increase agitating device 2, it is proposed that the brand-new working mechanism of " down-the-hole impact churning+rotary-cut stirring ", pile strength can be improved, uniform
Property and pile body Forming Quality.Wherein, down-the-hole air hammer and nozzle can use existing mature technology, it would however also be possible to employ below
The structure of description：
As shown in Figure 14 and Figure 15, the down-the-hole air hammer 1 includes：Upper port (is located at high-pressure slip-casting pipe jointing 611
Place), lower port (be located at taper screw thread 631 at), the hollow cavity 67 between upper port and lower port, surround described hollow
The side wall 61 of inner chamber, the inner cylinder 65 being connected in the lower port, the sleeve pipe 634 being connected to outside the inner cylinder, it is connected to institute
Inner cylinder and the drill bit of downhole drill hammer 635 (i.e. tup) of sleeve bottom and the nozzle 3 being arranged on the outside of described sleeve pipe are stated, its
In, the nozzle 3 is located at the top of the drill bit of downhole drill hammer 635；Wherein, the nozzle 3 is high pressure nozzle；Side wall 1 with
Sleeve pipe 634 is connected；The end of upper port is additionally provided with high-pressure slip-casting pipe jointing 611, to realize the connection with high-pressure slip-casting pipe；
High pressure slurry pipe line 5, for conveying high-pressure water or high pressure slurries, high pressure slurry pipe line 5 connect the drilling rod and
High pressure slurry pipe line 5 connects described sleeve pipe 634；High pressure slurries mentioned here are the height employed in Construction of High Pressure Jet Grouting Pile
Pressure, pressure is at least above atmospheric pressure, and general pressure is up to several atmospheric pressure, for example, 15MPa；
Water under high pressure (slurry) pipeline 633 is provided with sleeve pipe 634, is connected with high pressure slurry pipe line 5, thus high pressure slurry pipe line 5
Down-the-hole air hammer outer tube 634 and water under high pressure (slurry) pipeline 633 are connected, the path of water under high pressure (slurry) can be formed.Water under high pressure
(slurry) pipeline 633 reaches down-the-hole air hammer bottom high-pressure nozzle 3, and water under high pressure (slurry) leaves down-the-hole air hammer 1 from nozzle 3.
Further, the high pressure slurry pipe line 5 includes：Along the first paragraph pipeline 613 of the axis setting of the drilling rod, set
Put in the side wall 61 and along the parallel drilling rod the 3rd section of pipeline 614 setting of axis and be connected to described first
Second segment pipeline 615 between Duan Guanlu and the 3rd section of pipeline, being radially arranged along the drilling rod of second segment pipeline 615.
First paragraph pipeline 613 uses high-pressure seamless pipe, and the 3rd section of pipeline 614 is to set duct in the sidewall, second segment pipeline 615
While being the high-pressure seamless pipe of connection first paragraph pipeline 613, another side connects the hole of the 3rd section of pipeline 614 to set in the sidewall
Road.So, high pressure slurry pipe line 5, i.e. water under high pressure (slurry) pipeline, design for broken line, take full advantage of the He of tubular hollow cavity 67
Side wall, realizes the division of labor of different passages.3rd section of pipeline is, for example, circular, to make.
Further, the nozzle 3 is made up of hollow bolt 641, and the hollow bolt includes：Nut and stud, it is described
Nut and stud are worn in the sidewall from outside to inside successively, the neck bush 642 being made in the hollow bolt provided with alloy, described
Outside of the neck bush along the axially extended nut of the hollow bolt, to realize stronger jeting effect.Nozzle 3 is using empty
Hard-hearted matter high-strength bolt 641, and be inlaid with the neck bush 642 of hard alloy in the nozzle, the neck bush 642 is along high pressure nozzle
3 is axially extended to outside high pressure nozzle 3.The wall thickness of neck bush 642 is not less than 1mm, to ensure to bear enough injection pressure.
Down-the-hole air hammer 1 is provided with annular groove 632, is located by connecting with being realized to the drilling rod 4.
Further, under the injection direction of the nozzle 3 is horizontally or obliquely, to realize horizontal-jet or spray obliquely
Penetrate, the number of the nozzle 3 is multiple, to realize efficient churning.
Further, the upper port is provided with male-tapered screw thread, i.e., the taper screw thread 612 being connected with drilling rod, the 3rd section
Pipeline is to realize jointed rod.
Further, the lower port is provided with inner conical screw thread, i.e. taper screw thread 631, to realize connection down-the-hole air hammer 1
Inner cylinder and sleeve pipe.
Further, the inner cylinder and sleeve pipe of the down-the-hole air hammer 1 are connected to the lower port by O-ring seal 62
On, to realize sealing.
Further, as shown in figure 3, the down-the-hole impact jet grouting pile construction equipment of one embodiment of the invention includes rig machine
Frame 18, drilling rod 4, agitating device 2, down-the-hole air hammer 1, nozzle 3 or water under high pressure (slurry) nozzle；Wherein power set are long screw auger
Mechanomotive force head, down-the-hole air hammer selects 110~1000mm, and drilling rod 4 is supported on fixed support 6, and borer frame 18 is preferred to use
Down-the-hole impact jet drill rig frame, drilling rod be oil drilling drilling rod, the drilling rod from external diameter be 89~1000mm, drilling rod 4 its
Inside is provided with the high pressure slurry pipe line 5 of pressure-air path 7 and insertion extremely；High pressure slurry pipe line 5 is connected to use at the top of drilling rod
In water under high pressure (slurry) is reached into nozzle 3 by being arranged on pipeline inside drilling rod.At the top of the pressure-air path and drilling rod
Air inlet pipe is connected, and air inlet pipe 8 is connected with air compressor machine 12, and air compressor machine 12 is moistened by impactor lubricating oil storage container 11
It is sliding.The pressure-air has the pressure not less than 0.7MPa.
Position, spacing, quantity and the size shape of agitating device 2 can be set according to actual needs, and preferably external diameter is selected
Select 400~1000mm, agitating device 2 is laterally disposed along drilling rod 4 and down-the-hole air hammer 1, preferably using endless spiral；
When using discontinuous stirring vane, it is uniformly arranged using interval, the axis projection position of each blade is not coincided, to reach
More preferably mixing effect, makes pile body more uniform.
High pressure slurry pipe line 5 inside drilling rod 4, by intaking, (slurry) pipe 9 is connected with high-pressure injection pump 13, and high-pressure slip-casting
Pump 13 connects cement mortar pulping system and water system 14, and cement mortar pulping system specifically includes grout-stirring barrel 15, filter pulp bucket 16, storage
Slurry bucket 17 enters grouting pump 13 by pulp-water control valve.Water under high pressure (slurry) pressure selects 10~40MPa.
Preferably, nozzle 3 is located at the end both sides of down-the-hole air hammer 1 or bottom；Water under high pressure (slurry) through be arranged on drilling rod 4 and
High pressure slurry pipe line 5 inside down-the-hole air hammer 1 is sent to water under high pressure (slurry) nozzle 3.
During construction, rig is in place, starts power set 10, and pressure-air is provided to drill bit 1, and water under high pressure is provided to nozzle 3,
Down-the-hole air hammer vibrating and percussive drilling under the driving of pressure-air, while drilling, agitating device 2 is while rotation work, knot
The high-pressure water jet that nozzle 3 sprays is closed, rotary-cut stirring further to the soil body reaches after designed elevation, water under high pressure is switched into height
Compressed water slurry, while positioned at water under high pressure (slurry) 3 gunite of nozzle of impactor end, agitating device 2 is to cement grout
Carry out secondary agitation with the soil of liquid-plastic state, be sufficiently mixed cement mortar and the soil body of softening, form that stake footpath is larger, intensity compared with
High, the preferable cement earth pile of uniformity.
As shown in Figure 1 and Figure 2, the present invention also proposes a kind of down-the-hole impact jet mixing pile constructing process, using noted earlier
Down-the-hole impact rotating spraying mixture pile construction equipment, down-the-hole impact jet mixing pile constructing process comprises the following steps：
Step A：Using the down-the-hole air hammer positioned at drilling rod bottom, the dither and height produced during sinking under impact
Press air to carry out impact failure to the soil body and carry out pore-forming；
Step B：While down-the-hole air hammer works, nozzle sprays water under high pressure and carries out lateral churning；
Step C：While down-the-hole air hammer works, agitating device synchronous rotary operation；With reference to the cutting of the water under high pressure
Effect, carries out rotary-cut stirring to the soil body, makes soft of soil into liquid-plastic state, condition is provided for post-injection cement mortar.
Further, pore-forming reaches after designed elevation switches to water under high pressure mud by water under high pressure, nozzle injection high pressure cement
While slurry, the soil of water under high pressure mud and liquid-plastic state is carried out secondary agitation by agitating device, is impacted and revolved by the down-the-hole of nozzle
Spray and the synergy of the rotary-cut of agitating device stirring, are sufficiently mixed the soil and water under high pressure mud of liquid-plastic state, form water
Soil stake.
Further, as shown in Figure 7, Figure 8 and Figure 9, the down-the-hole impact jet mixing pile constructing process is used for curtain of constructing
When curtain stake and composite foundation, the down-the-hole impact jet mixing pile constructing process is specifically included：
(1) stake position measuring：According to design stake position, stake position is carried out using conventional measurement devices or gps position measurement technology and surveyed
Amount and positioning.
(2) drilling and forming hole operation：After down-the-hole impact rotating spraying mixture pile machine is in place, the device 10 that turns on the power 4 turns of drilling rod of driving
It is dynamic, pressure-air is provided to the bottom down-the-hole air hammer 1 of drilling rod 4, driving impactor is started working.Drive of the agitating device 2 in drilling rod
Employ lower beginning rotary operation, rotary-cut stirring further to the soil body；There is provided while drilling to drilling rod not less than 15MPa pressure
Water under high pressure, carries out the cutting softening soil body.Under dither, rotary-cut stirring, water under high pressure (slurry), high pressure gas collective effect, on one side
The soil body is destroyed on one side to sink drilling, when the hard barrier of chance, direct impact grinding, using agitating device 2 by broken formation
The soil shear failure of block and liquid-plastic state is uniform.
(3) pile operation：After pore-forming to projected depth, the water under high pressure sprayed is switched into water under high pressure mud, passed through
The secondary agitation effect of the high-pressure jet and agitating device 2 of water under high pressure mud, cement mortar is well mixed with the soil of liquid-plastic state,
It can be needed to be lifted according to construction, transfer drill bit progress repetition jet mixing, formation is relatively large in diameter, the uniform water-seal pile 20 of soil cement
Pile body, the pile body of cement earth pile 23.Can be according to actual conditions, then support pile 19 is set, or the He of blinding layer 21 is set
Mattress layer 22.
Further, as shown in Figure 10, Figure 11, Figure 12, Figure 13, the down-the-hole impact jet mixing pile constructing process is used for
When pile foundation of constructing and anti-float anchor rod, the down-the-hole impact jet mixing pile constructing process is specifically included：
(1) stake position measuring：According to design stake position, stake position is carried out using conventional measurement devices or gps position measurement technology and surveyed
Amount and positioning.
(2) the pore-forming operation of soil cement stud 24：After down-the-hole impact rotating spraying mixture pile machine is in place, the device 10 that turns on the power drives
Drilling rod 4 is rotated, and pressure-air is provided to the bottom down-the-hole air hammer 1 of drilling rod 4, and driving impactor 1 is started working.Agitating device 2 exists
Start rotary operation under the driving effect of drilling rod 4, rotary-cut stirring further to the soil body；There is provided and be not less than to drilling rod while drilling
The water under high pressure of 15MPa pressure, carries out the cutting softening soil body.It is common in dither, rotary-cut stirring, water under high pressure (slurry), high pressure gas
Under effect, the soil body is destroyed while drilling of sinking, when meeting hard barrier (being, for example, stone), direct impact grinding is sharp
It is with agitating device 2 that the soil shear failure of the block of broken formation and liquid-plastic state is uniform.
(3) the pile operation of soil cement stud 24：After pore-forming to projected depth, the water under high pressure sprayed is switched into high pressure
Cement mortar, is acted on by the secondary agitation of the high-pressure jet of water under high pressure mud and agitating device 2, by cement mortar and liquid-plastic state
Soil is well mixed, can be needed to be lifted according to construction, transfer drill bit progress repetition jet mixing, formation is relatively large in diameter, soil cement is equal
Even pile body.
(4) core stake pile operation：
1. when core stake is cast-in-situ steel reinforced concrete 25, after soil cement stud pile 4~6 hours, using immersed tube rig
Sleeve pipe follow-up impact holing, while impact holing, carries out ground extruding to soil cement stud, reaches and steel is transferred after projected depth
Muscle cage, pours core pile concrete, promotes sleeve pipe pile；
2. when core stake is prefabricated tubular pile, after soil cement stud pile, immediately using vibratory drilling method, hammering method or static pressure method
(working continuously, be not used in waiting for a period of time again after stake) transfers prefabricated tubular pile 26 to designed elevation；
3. when being constructed for anti-float anchor rod, after cement piling, it is implanted into anchor pole 27.
Schematical embodiment of the invention is the foregoing is only, the scope of the present invention is not limited to.For this
Each part of invention can be mutually combined under conditions of not conflicting, any those skilled in the art, not depart from this
Made equivalent variations and modification, all should belong to the scope of protection of the invention on the premise of the design of invention and principle.
Claims (10)
1. a kind of down-the-hole impacts rotating spraying mixture pile construction equipment, it is characterised in that the down-the-hole impact jet mixing pile driving construction is set
It is standby to include：
Drilling rod；
Down-the-hole air hammer, is arranged on the bottom of the drilling rod；
Agitating device, is connected to the lateral of the drilling rod or down-the-hole air hammer；
Nozzle, is arranged on the outside of the down-the-hole air hammer；
Wherein, there is the pressure-air path connected between the drilling rod and down-the-hole air hammer；The down-the-hole air hammer also includes：
It is connected with drilling rod：High pressure slurry pipe line, the high pressure slurry pipe line mutually separates with pressure-air path；The nozzle connects institute
State high pressure slurry pipe line.
2. down-the-hole as claimed in claim 1 impacts rotating spraying mixture pile construction equipment, it is characterised in that the agitating device is spiral shell
Vane piece uses spaced blade.
3. down-the-hole as claimed in claim 1 impacts rotating spraying mixture pile construction equipment, it is characterised in that the agitating device is set
On the outer wall of the drilling rod or down-the-hole air hammer.
4. down-the-hole as claimed in claim 1 impacts rotating spraying mixture pile construction equipment, it is characterised in that
The down-the-hole air hammer includes：Upper port, lower port, the hollow cavity between upper port and lower port, encirclement institute
The side wall of stating hollow cavity, the inner cylinder being connected in the lower port, the sleeve pipe being connected to outside the inner cylinder, be connected to it is described
The drill bit of downhole drill hammer of inner cylinder and sleeve bottom and the nozzle being arranged on the outside of described sleeve pipe, wherein, the nozzle is located at
The top of the drill bit of downhole drill hammer；
The nozzle connects the high pressure slurry pipe line, and the high pressure slurry pipe line connects described sleeve pipe.
5. down-the-hole as claimed in claim 4 impacts rotating spraying mixture pile construction equipment, it is characterised in that the high pressure slurry pipe line
Including：The first paragraph pipeline that is set along the axis of the drilling rod, it is arranged in the side wall and along the axis of the parallel drilling rod
The 3rd section of pipeline and the second segment pipeline that is connected between the first paragraph pipeline and the 3rd section of pipeline set, described the
Two sections of pipeline being radially arranged along the drilling rod.
6. down-the-hole as claimed in claim 4 impacts rotating spraying mixture pile construction equipment, it is characterised in that the injection side of the nozzle
To under horizontally or obliquely, the number of the nozzle is multiple.
7. a kind of down-the-hole impacts jet mixing pile constructing process, it is characterised in that using the down-the-hole impact rotation described in claim 1
Spraying mixture pile construction equipment, the down-the-hole impact jet mixing pile constructing process comprises the following steps：
Step A：Using the down-the-hole air hammer positioned at drilling rod bottom, the dither produced during sinking under impact and high pressure are empty
Gas carries out impact failure to the soil body and carries out pore-forming；
Step B：While down-the-hole air hammer works, nozzle sprays water under high pressure and carries out lateral churning；
Step C：While down-the-hole air hammer works, agitating device synchronous rotary operation；With reference to the dissection of the water under high pressure,
Rotary-cut stirring is carried out to the soil body, makes soft of soil into liquid-plastic state, condition is provided for post-injection cement mortar.
8. down-the-hole as claimed in claim 7 impacts jet mixing pile constructing process, it is characterised in that pore-forming reaches designed elevation
Water under high pressure is switched into water under high pressure mud afterwards, while nozzle injection water under high pressure mud, agitating device is by water under high pressure mud and stream
The soil of modeling state carries out secondary agitation, and the joint work that churning and the rotary-cut of agitating device are stirred is impacted by the down-the-hole of nozzle
With, make liquid-plastic state soil and water under high pressure mud be sufficiently mixed, formed cement earth pile.
9. down-the-hole as claimed in claim 7 or 8 impacts jet mixing pile constructing process, it is characterised in that the down-the-hole impact
Jet mixing pile constructing process be used to construct curtain pile and composite foundation when, down-the-hole impact jet mixing pile constructing process tool
Body includes：
Step D：Stake position measuring：According to design stake position, measure of pile position is carried out using conventional measurement devices or gps position measurement technology
And positioning；
Step E：Drilling and forming hole operation：After down-the-hole impact rotating spraying mixture pile machine is in place, the device that turns on the power driving drilling rod is rotated, to
Drilling rod bottom down-the-hole air hammer provides pressure-air, and driving impactor is started working；Agitating device is opened in the driving of drilling rod under
Beginning rotary operation, rotary-cut stirring further to the soil body；The water under high pressure not less than 15MPa pressure is provided to drilling rod while drilling,
Carry out the cutting softening soil body；Under dither, rotary-cut stirring, water under high pressure, high pressure gas collective effect, destroy the soil body while
Sink drilling, when meeting hard barrier, direct impact grinding, using agitating device by the block and liquid-plastic state of broken formation
Soil shear failure it is uniform；
Step F：Pile operation：After pore-forming to projected depth, the water under high pressure sprayed is switched into water under high pressure mud, passes through height
The secondary agitation effect of the high-pressure jet and agitating device of compressed water slurry, water under high pressure mud is mixed with the soil of liquid-plastic state
It is even, it can be needed to be lifted according to construction, transfer drill bit progress repetition jet mixing, form pile body.
10. down-the-hole as claimed in claim 7 or 8 impacts jet mixing pile constructing process, it is characterised in that the down-the-hole impact
Jet mixing pile constructing process be used to construct pile foundation and anti-float anchor rod when, down-the-hole impact jet mixing pile constructing process tool
Body includes：
Step H：Stake position measuring：According to design stake position, measure of pile position is carried out using conventional measurement devices or gps position measurement technology
And positioning；
Step I：Soil cement stud pore-forming operation：After down-the-hole impact rotating spraying mixture pile machine is in place, the device that turns on the power driving drilling rod
Rotate, pressure-air is provided to drilling rod bottom down-the-hole air hammer, driving impactor is started working, driving of the agitating device in drilling rod
With lower beginning rotary operation, rotary-cut stirring further to the soil body；While drilling the height not less than 15MPa pressure is provided to drilling rod
Water is pressed, the cutting softening soil body is carried out；Under dither, rotary-cut stirring, water under high pressure, high pressure gas collective effect, while destruction soil
Body is while drilling of sinking, when meeting hard barrier, direct impact grinding, using agitating device by the block and stream of broken formation
The soil shear failure of modeling state is uniform；
Step J：Soil cement stud pile operation：After pore-forming to projected depth, the water under high pressure sprayed is switched into water under high pressure
Mud, is acted on by the high-pressure jet of water under high pressure mud and the secondary agitation of agitating device, by water under high pressure mud and liquid-plastic state
Soil be well mixed, can be needed to be lifted according to construction, transfer drill bit and carry out repeating jet mixing, formation pile body；
Step K：Core stake pile operation：Wherein, core stake pile operation is specially：
When core stake for cast-in-situ steel reinforced concrete stake when, after soil cement stud pile 4~6 hours, using immersed tube rig sleeve pipe with
Enter impact holing, while impact holing, ground extruding carried out to soil cement stud, reaches and steel reinforcement cage is transferred after projected depth,
Core pile concrete is poured, sleeve pipe pile is promoted；Or
, immediately will be prefabricated using vibratory drilling method, hammering method or static pressure method after soil cement stud pile when core stake is prefabricated tubular pile
Pile tube is transferred to designed elevation；Or
When being constructed for anti-float anchor rod, after soil cement stud pile, anchor pole is implanted into.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620941473 | 2016-08-25 | ||
| CN2016209414736 | 2016-08-25 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106996105A true CN106996105A (en) | 2017-08-01 |
| CN106996105B CN106996105B (en) | 2023-05-12 |
Family
ID=59435353
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710346378.0A Active CN106996105B (en) | 2016-08-25 | 2017-05-17 | Down-the-hole impact jet grouting stirring pile construction technology and equipment |
| CN201720544885.0U Active CN206956714U (en) | 2016-08-25 | 2017-05-17 | Down-the-hole impacts rotating spraying mixture pile construction equipment |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720544885.0U Active CN206956714U (en) | 2016-08-25 | 2017-05-17 | Down-the-hole impacts rotating spraying mixture pile construction equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN106996105B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108285254A (en) * | 2018-04-18 | 2018-07-17 | 南京林业大学 | A kind of the stabilization processing unit and processing method of heavy metal pollution mud |
| CN108868590A (en) * | 2018-08-16 | 2018-11-23 | 北京城建勘测设计研究院有限责任公司 | A kind of single shaft cement mixing method drill bit |
| CN109505305A (en) * | 2018-11-23 | 2019-03-22 | 绍兴大明电力设计院有限公司 | High-pressure rotary-spray formula Screw Anchor composite foundation and preparation method thereof |
| CN109537612A (en) * | 2018-11-16 | 2019-03-29 | 同济大学 | A kind of porous impact stirring diaphram wall Barrier Technology and its construction method |
| CN110847165A (en) * | 2019-11-29 | 2020-02-28 | 河海大学 | Construction method of spiral anchor core-inserting cement mixing pile |
| CN110952541A (en) * | 2019-11-28 | 2020-04-03 | 成都四海岩土工程有限公司 | Construction method of large-diameter anti-floating anchor rod combining vibration immersed tube and high-pressure rotary spraying |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106996105B (en) * | 2016-08-25 | 2023-05-12 | 北京荣创岩土工程股份有限公司 | Down-the-hole impact jet grouting stirring pile construction technology and equipment |
| CN110512598B (en) * | 2018-05-22 | 2024-03-01 | 中交天津港湾工程研究院有限公司 | Composite foundation structure suitable for deep soft soil multi-diameter high-pressure jet grouting pile and multi-diameter powder jet grouting pile and construction method thereof |
| CN110344402A (en) * | 2019-07-05 | 2019-10-18 | 深圳宏业基岩土科技股份有限公司 | The construction method of curing agent processing stake holes sky pile cutoff mud |
| CN110761279A (en) * | 2019-11-06 | 2020-02-07 | 上海渊丰地下工程技术有限公司 | Construction method and construction device for air-hardening cement mixing pile |
| CN113550303A (en) * | 2021-07-28 | 2021-10-26 | 建材桂林地质工程勘察院有限公司 | Pile forming method for down-the-hole impact high-pressure jet grouting composite pile |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201650106U (en) * | 2010-01-27 | 2010-11-24 | 成都西油联合石油天然气工程技术有限公司 | Penetrating type down-the-hole impacter |
| CN102322058A (en) * | 2011-06-17 | 2012-01-18 | 北京荣创科宏岩土工程有限公司 | Construction process and equipment for downhole impacting high-pressure jet grouting pile |
| CN103015435A (en) * | 2012-12-04 | 2013-04-03 | 北京建材地质工程公司 | Long auger down hole hammer vibration rotary-jet steel reinforced cement-soil pile foundation pit water-resisting and supporting method |
| CN103046568A (en) * | 2012-12-04 | 2013-04-17 | 北京建材地质工程公司 | Long spiral down-the-hole hammer vibrating jet grouting cement soil curtain pile construction process |
| CN206956714U (en) * | 2016-08-25 | 2018-02-02 | 北京荣创岩土工程股份有限公司 | Down-the-hole impacts rotating spraying mixture pile construction equipment |
-
2017
- 2017-05-17 CN CN201710346378.0A patent/CN106996105B/en active Active
- 2017-05-17 CN CN201720544885.0U patent/CN206956714U/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201650106U (en) * | 2010-01-27 | 2010-11-24 | 成都西油联合石油天然气工程技术有限公司 | Penetrating type down-the-hole impacter |
| CN102322058A (en) * | 2011-06-17 | 2012-01-18 | 北京荣创科宏岩土工程有限公司 | Construction process and equipment for downhole impacting high-pressure jet grouting pile |
| CN103015435A (en) * | 2012-12-04 | 2013-04-03 | 北京建材地质工程公司 | Long auger down hole hammer vibration rotary-jet steel reinforced cement-soil pile foundation pit water-resisting and supporting method |
| CN103046568A (en) * | 2012-12-04 | 2013-04-17 | 北京建材地质工程公司 | Long spiral down-the-hole hammer vibrating jet grouting cement soil curtain pile construction process |
| CN206956714U (en) * | 2016-08-25 | 2018-02-02 | 北京荣创岩土工程股份有限公司 | Down-the-hole impacts rotating spraying mixture pile construction equipment |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108285254A (en) * | 2018-04-18 | 2018-07-17 | 南京林业大学 | A kind of the stabilization processing unit and processing method of heavy metal pollution mud |
| CN108868590A (en) * | 2018-08-16 | 2018-11-23 | 北京城建勘测设计研究院有限责任公司 | A kind of single shaft cement mixing method drill bit |
| CN108868590B (en) * | 2018-08-16 | 2023-12-08 | 北京城建勘测设计研究院有限责任公司 | Single-shaft cement-soil mixing pile drill bit |
| CN109537612A (en) * | 2018-11-16 | 2019-03-29 | 同济大学 | A kind of porous impact stirring diaphram wall Barrier Technology and its construction method |
| CN109537612B (en) * | 2018-11-16 | 2021-09-21 | 同济大学 | Porous impact stirring underground diaphragm wall separation technology and construction method thereof |
| CN109505305A (en) * | 2018-11-23 | 2019-03-22 | 绍兴大明电力设计院有限公司 | High-pressure rotary-spray formula Screw Anchor composite foundation and preparation method thereof |
| CN110952541A (en) * | 2019-11-28 | 2020-04-03 | 成都四海岩土工程有限公司 | Construction method of large-diameter anti-floating anchor rod combining vibration immersed tube and high-pressure rotary spraying |
| CN110847165A (en) * | 2019-11-29 | 2020-02-28 | 河海大学 | Construction method of spiral anchor core-inserting cement mixing pile |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106996105B (en) | 2023-05-12 |
| CN206956714U (en) | 2018-02-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206956714U (en) | Down-the-hole impacts rotating spraying mixture pile construction equipment | |
| CN202337976U (en) | In-hole impact high-pressure jet grouting equipment | |
| CN203452083U (en) | Rotary expanding pile construction equipment and grout feeding device | |
| CN105780763B (en) | Mesoporous vibrates the construction method of casing retaining wall long auger guncreting pile | |
| CN105604001B (en) | Drilling tool is stirred in the stake of stiff-core cement soil cylinder and the rotation of construction method and tubular | |
| CN104631480B (en) | Adopt the method that jet grouting pile driving machine carries out water seal for deep foundation pit curtain construction | |
| CN104929114A (en) | High pressure jet grouting pile waterproof curtain construction device and method | |
| KR100762991B1 (en) | Precast piling method injected with high-strength mortar | |
| CN1814915A (en) | Apparatus and method for long spiral-drilling enlarging-base agitation and reaming-in-hole concrete filling to form pile | |
| CN107338789B (en) | A kind of construction method of down-the-hole percussion triple-pipe high pressure jet grouting stake | |
| CN201395793Y (en) | Long spiral high-pressure spraying mud injecting stirring pile-forming device | |
| CN105672307A (en) | Expanded-base combination end pile bearing foundation | |
| CN102979091B (en) | Method for constructing cement jet grouting pile with fine aggregate concrete core | |
| CN207260138U (en) | Drill rod of high-pressure jet grouting stirring bearing pile and device with drill rod | |
| CN106481277A (en) | High pressure base expanding and base expanding screw rod drilling equipment and its stake end enlarged footing | |
| CN213233469U (en) | Triaxial down-the-hole impact high-pressure jet grouting equipment | |
| CN212671560U (en) | High-pressure jet grouting pile hole guiding construction integrated device | |
| CN103603345B (en) | Cement mixing grouting pile foundations and forming method | |
| CN101514549B (en) | Method using intermediate mixing piles for treating three-layer soft foundation | |
| CN208563316U (en) | Large-diameter cast-in-place pile bottom loose soil sediment treatment device | |
| CN100374657C (en) | Construction method employing threaded stirring shaft to decrease ambient foundation deformation | |
| CN100485132C (en) | Formative method for row-pile style water-proof wall underground | |
| CN102900072A (en) | Heavy-caliber high-pressure spraying stirring drill and drilling spraying integrated construction method | |
| CN113550303A (en) | Pile forming method for down-the-hole impact high-pressure jet grouting composite pile | |
| CN110939161A (en) | Construction method of large-diameter socketed anti-floating anchor rod and drilling tool used in method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 100085 building 6, courtyard a 1, Xisanqi, Haidian District, Beijing Patentee after: Beijing Blue Ocean Construction Co.,Ltd. Country or region after: China Address before: Building 8, No.1 Xisanqi A, Haidian District, Beijing, 100085 Patentee before: BEIJING RONGCHUANG GEOTECHNICAL ENGINEERING Co.,Ltd. Country or region before: China |
|
| CP03 | Change of name, title or address |
Address after: 101500 room 106-200, building 2, courtyard 8, Xingsheng South Road, Miyun District, Beijing Patentee after: Beijing Blue Ocean Construction Co.,Ltd. Country or region after: China Address before: 100085 building 6, courtyard a 1, Xisanqi, Haidian District, Beijing Patentee before: Beijing Blue Ocean Construction Co.,Ltd. Country or region before: China |