CN108571286A - A kind of pile foundation boring device and method - Google Patents
A kind of pile foundation boring device and method Download PDFInfo
- Publication number
- CN108571286A CN108571286A CN201810427503.5A CN201810427503A CN108571286A CN 108571286 A CN108571286 A CN 108571286A CN 201810427503 A CN201810427503 A CN 201810427503A CN 108571286 A CN108571286 A CN 108571286A
- Authority
- CN
- China
- Prior art keywords
- trepanning
- metal
- impact force
- pile foundation
- passage
- 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 16
- 229910052751 metal Inorganic materials 0.000 claims abstract description 49
- 239000002184 metal Substances 0.000 claims abstract description 49
- 239000002689 soil Substances 0.000 claims abstract description 32
- 239000007788 liquid Substances 0.000 claims abstract description 29
- 230000007246 mechanism Effects 0.000 claims abstract description 21
- 239000012530 fluid Substances 0.000 claims abstract description 18
- 238000002309 gasification Methods 0.000 claims abstract description 15
- 238000010248 power generation Methods 0.000 claims abstract description 14
- 230000000694 effects Effects 0.000 claims abstract description 11
- 238000006243 chemical reaction Methods 0.000 claims abstract description 7
- 238000004880 explosion Methods 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 19
- 239000011435 rock Substances 0.000 abstract description 4
- 239000004576 sand Substances 0.000 abstract description 3
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 229910052782 aluminium Inorganic materials 0.000 description 20
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 20
- 239000004411 aluminium Substances 0.000 description 19
- 238000010276 construction Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 239000007769 metal material Substances 0.000 description 3
- 239000002893 slag Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 230000001502 supplementing effect Effects 0.000 description 2
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000010410 reperfusion Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B1/00—Percussion drilling
- E21B1/02—Surface drives for drop hammers or percussion drilling, e.g. with a cable
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/28—Enlarging drilled holes, e.g. by counterboring
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Piles And Underground Anchors (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention discloses a kind of pile foundation boring devices and method, described device to include:Trepanning power generation mechanism;It includes metal passage and/or fluid passage, the second impact force that trepanning power generation mechanism is used for the first impact force using the metal electrification gasification exploding generation in metal passage, power supply generates the liquid electric discharge in fluid passage, or driving force of the third impact force as trepanning caused by the metal electrification gasification exploding in metal passage and the liquid reactions in metal and fluid passage, caused the extruding for waiting for trepanning soil layer by driving force and be crushed, to reach trepanning effect.The present invention can be used for pore-forming and the reaming of pile foundation, the working efficiency of pouring pile hole can be improved, it is simple in structure, simple operation, energy consumption is small, safe and reliable pollution-free, while impact force can be with flexible modulation, suitable for different soils, it is especially suitable for pore-forming and reaming in the sand gravel layer containing boulder, hard soil layer, hard rock stratum and soil layer containing underground water.
Description
Technical field
The invention belongs to pile foundation construction fields, more particularly, to a kind of pile foundation boring device and method.
Background technology
Bored concrete pile is to place steel reinforcement cage after pore-forming in hole by the directly trepanning on designed stake position, and Reperfu- sion is mixed
Coagulate a kind of pile-formation process of soil.Common pile making method includes impact holing and manually digging hole.Impact holing usually utilizes impact
Churn or hoist engine with drill lip, there is the drill hammer of larger quality to improve, cut rock stratum by the impact force of free-falling
Or impact extrusion soil layer, special fishing slag tool soil digging pore-forming is then used, equipment is simple, easy to operate, but its speed of fulfiling hole is slow, work
Time phase is long, and drill bit is easy to wear, is susceptible to hole deviation, bit freezing and falls the accidents such as brill, maintenance cost is high, and construction speed is difficult to protect
Card.Manually digging hole is then directly to carry out shoveling pore-forming using manpower, cheap, but depth of pore forming is limited, and safety measure is improper
Or it is incomplete, it be easy to cause casualties, and anoxic or the soil for having poison gas to occur in geological condition complexity, the advanced hole of level of ground water
Layer should not use.
Invention content
For the disadvantages described above or Improvement requirement of the prior art, the present invention provides a kind of pile foundation boring device and method,
Thus it is slow to solve trepanning speed existing for existing pile making method, time duration is long, and trepanning depth is limited and construction speed is difficult to protect
The technical problem of card etc..
To achieve the above object, according to one aspect of the present invention, a kind of pile foundation boring device is provided, including:Trepanning
Power generation mechanism;
The trepanning power generation mechanism includes metal passage and/or fluid passage, and the trepanning power generation mechanism is for profit
With the first impact force of the metal electrification gasification exploding generation in the metal passage, power supply to the liquid in the fluid passage
Discharge the second impact force of generation or the metal electrification gasification exploding in the metal passage and metal and the fluid passage
In liquid reactions caused by driving force of the third impact force as trepanning, cause to wait for squeezing for trepanning soil layer by the driving force
It presses and broken, to reach trepanning effect.
Preferably, the pile foundation boring device further includes wire feeder, and the wire feeder in single trepanning for terminating
Afterwards, it is automatically replenished metal, facilitates the continuous automatic progress of trepanning operation.
Preferably, the pile foundation boring device further includes liquid supplementary mechanism, and the liquid supplementary mechanism is used in trepanning
After operation, according to the Expenditure Levels of liquid, automatic supplementing liquid.
Preferably, the trepanning power generation mechanism includes at least one metal passage and/or at least one fluid passage.
It is another aspect of this invention to provide that a kind of pile foundation boring method is provided, including:
Pulse current is passed through to the metal in metal passage, so that metallic high temperature gasifies, explosion occurs and generates the first impact
Power;Alternatively, discharging the liquid in fluid passage, the second impact force is generated;Alternatively, being passed through to the metal in the metal passage
Pulse current, so that metallic high temperature gasification is exploded, meanwhile, the metal occurs with the liquid in the fluid passage
Chemical reaction generates third impact force;
Driving force by first impact force, second impact force or the third impact force as trepanning, by
The driving force causes the extruding for waiting for trepanning soil layer and is crushed, to reach trepanning effect.
In general, through the invention it is contemplated above technical scheme is compared with the prior art, can obtain down and show
Beneficial effect:
(1) present invention reacts institute using Metal Explosion, liquid electric discharge or Metal Explosion with metal and aqueous chemical
Active force of the impact force of generation as pile foundation pore-forming and reaming, apparatus structure is simple, and operation is simple, and equipment is light, flexibility
Height is not limited by construction site and working face, of low cost, low cost, is easy to construction and field operation.Reaming procedure can be single
Secondary completion, the ream forming time is short, and effect is reliable, and work efficiency is high, saves the construction time.Electricity is used only in pore-forming and reaming procedure
Can, cleanliness without any pollution, securely and reliably, movement and control unit are few, and easy to maintain, service life is long, and geology adaptive faculty is strong, can be with
Pore-forming and the reaming work for adapting to different soils, are suitable for different type pile and stake size.Particularly suitable clay layer, hard soil layer,
The soil layer containing rock such as sand gravel layer and the soil layer containing underground water.
(2) present invention can be flexible by adjusting the dosage for being passed through electric current, the gross energy of impulse discharge and metal of metal
The active force for regulating and controlling single pore-forming and reaming ensures to adjust the depth of pore-forming and the geometric parameters such as range of radius, reaming
Pile quality and bearing capacity of single pile, the impulse discharge time is extremely short, and single depth of pore forming is high, and speed is fast, it can be achieved that uninterrupted continuous
Pore-forming operation is conducive to shorten the construction period.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of pouring pile hole device provided in an embodiment of the present invention;
Fig. 2 is a kind of structural schematic diagram of pile foundation Counterboring apparatus provided in an embodiment of the present invention;
Fig. 3 is the schematic diagram after a kind of pouring pile hole provided in an embodiment of the present invention;
Fig. 4 is the schematic diagram after a kind of pile foundation reaming provided in an embodiment of the present invention.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.As long as in addition, technical characteristic involved in the various embodiments of the present invention described below
It does not constitute a conflict with each other and can be combined with each other.
The present invention provides a kind of pile foundation boring device and methods, can be used for pore-forming and the reaming of pile foundation, can improve filling
The working efficiency of stake pore-forming is noted, simple in structure, simple operation, energy consumption is small, safe and reliable pollution-free, while impact force can be flexible
It adjusts, is suitable for different soils, be especially suitable for the sand gravel layer containing boulder, hard soil layer, hard rock stratum and contain underground water
Soil layer in pore-forming and reaming.
Term " first ", " second " and " third " in description and claims of this specification etc. is for distinguishing not
Same object, not for description particular order.
In one aspect of the invention, a kind of pile foundation boring device is provided, including:Trepanning power generation mechanism;
Trepanning power generation mechanism includes metal passage and/or fluid passage, and trepanning power generation mechanism is used for logical using metal
Second punching of the first impact force, power supply that metal electrification gasification exploding in road generates to the liquid electric discharge generation in fluid passage
Hit the metal electrification gasification exploding in power or metal passage and metal and third caused by the liquid reactions in fluid passage
Driving force of the impact force as trepanning is caused the extruding for waiting for trepanning soil layer by driving force and is crushed, to reach trepanning effect.
In embodiments of the present invention, metal after gasification, greatly increases with the contact surface of liquid, improves metal and liquid
The impact force that chemical reaction generates occurs.
In embodiments of the present invention, metal material can be any one metal material such as aluminium, iron or tungsten, fluent material
It can be any one fluent material such as water, specifically be chemically reacted with which kind of fluent material using which kind of metal material, this
Inventive embodiments do not make uniqueness restriction.
In embodiments of the present invention, trepanning power generation mechanism includes at least one metal passage and/or at least one liquid
Channel, the specifically used quantity embodiment of the present invention do not make uniqueness restriction.
In embodiments of the present invention, metal can be Filamentous, band-like or foil-like etc., or turn to single coil shape,
Which kind of shape embodiment of the present invention uniqueness restriction is not specifically made using.
Wherein, coil can be a whole independent coil, can also be multiple small coils, facilitate dilatation, flexibly assemble,
Which kind of mode embodiment of the present invention uniqueness restriction is not specifically made using.
Wherein, by adjusting the dosage of metal/liquid, trepanning driving force can be flexibly controlled, to reach best ramming
Effect and compacting quality.
As an alternative embodiment, pile foundation boring device further includes wire feeder, wire feeder is used in single
After trepanning, it is automatically replenished metal, facilitates the continuous automatic progress of trepanning operation.
As an alternative embodiment, pile foundation boring device further includes liquid supplementary mechanism, liquid supplementary mechanism is used
In after trepanning operation, according to the Expenditure Levels of liquid, automatic supplementing liquid.
The present invention is described in detail with reference to the accompanying drawings and embodiments.
Embodiment 1
As shown in Figure 1, the overall structure of the pouring pile hole device of the embodiment of the present invention includes:High-field electrode 1, ground connection electricity
Pole 2, aluminium wire 3, soil layer 4, water inlet pipe 5, outlet pipe 6.
Aluminium wire 3 is arranged on 4 surface of soil layer, and both ends are connect with high-field electrode 1 and grounding electrode 2 respectively.It high-field electrode 1 and connects
Water is full of between ground electrode 2.
Forming hole method includes the following steps:
(1) aluminium wire 3 is close to the placement of soil layer 4, and along strip parallel arrangement on 4 surface of soil layer, the both ends of aluminium wire 3 connect high pressure respectively
Electrode 1 and grounding electrode 3;
(2) it by water inlet pipe 5, introduces the water between high-field electrode 1 and grounding electrode 2 so that high-field electrode 1 and ground connection electricity
Between pole 2 be full of water, while aluminium wire 3 impregnate it is submerged in water;
(3) it discharges between high-field electrode 1 and grounding electrode 2 so that high impulse currents, joule heating effect are flowed through in aluminium wire 3
So that energy gathers in aluminium wire rapidly, aluminium wire high-temperature gasification occurs explosion and generates huge shock wave, meanwhile, aluminium wire gasification
Afterwards, it is greatly increased with the contact surface of water, aluminium wire is chemically reacted with water, generates hydrogen, and the superposition of both power causes soil layer
It squeezes and broken;
(4) native slag enters outlet pipe 6 with water and is rejected to outside stake holes, and (7 be original to single operation pore-forming pattern as shown in Figure 3
Soil layer position, 8 be the soil layer position after pore-forming);
(5) after the completion of impulse discharge, it is refilled by aluminium wire;
(6) step (2)-(5) are repeated, up to pore-forming to designated depth.
In an optional embodiment, aluminium wire dosage and arrangement can be adjusted according to the radius and depth of single pore-forming
Mode, to the range and depth of flexible modulation pore-forming next time.
In an optional embodiment, wire feeder can be added, the aluminium wire of consumption is automatically replenished.
Embodiment 2
As shown in Fig. 2, the overall structure of the Counterboring apparatus of the embodiment of the present invention includes:Coil 3, soil layer 4.
Expanding method includes the following steps:
(1) coil 3 is placed in sink, and is close to the placement of soil layer 4, is full of water in sink;
(2) coil 3 is powered, and since coil 3 is formed using aluminum material coiling, joule heating effect is notable under high current, energy
It is gathered in coil, aluminium wire high-temperature gasification, explosion occurs and generates huge shock wave, meanwhile, after aluminium gasification, the contact surface with water
It greatly increases, aluminium is chemically reacted with water, generates hydrogen, is discharged huge energy, is further increased impact force.Both power
Superposition causes the extruding of soil layer and is crushed, and reaches reaming effect, and (7 be original soil layer position to the stake holes profile after reaming as shown in Figure 4
It sets, 8 be the soil layer position after reaming).
(3) it is required if single reaming is not up to specified, repeatedly step (1)-(2), until reaming is completed.
It, can be according to the parameter request of reaming, the number of turns of regulating winding, size and shape in an optional embodiment
(coiling aluminium wire dosage), to which only impulse discharge, which need to be arranged, can be completed entire reaming procedure.
In an optional embodiment, wire feeder and water compensation mechanism can be added, the aluminium wire of consumption is automatically replenished
And water, while native slag being easily discharged out of the hole with water automatically.
As it will be easily appreciated by one skilled in the art that the foregoing is merely illustrative of the preferred embodiments of the present invention, not to
The limitation present invention, all within the spirits and principles of the present invention made by all any modification, equivalent and improvement etc., should all include
Within protection scope of the present invention.
Claims (5)
1. a kind of pile foundation boring device, which is characterized in that including:Trepanning power generation mechanism;
The trepanning power generation mechanism includes metal passage and/or fluid passage, and the trepanning power generation mechanism is used to utilize institute
The first impact force, power supply that the metal electrification gasification exploding in metal passage generates is stated to discharge to the liquid in the fluid passage
In the second impact force generated or the metal electrification gasification exploding in the metal passage and metal and the fluid passage
Driving force of the third impact force as trepanning caused by liquid reactions, by the driving force cause to wait for trepanning soil layer extruding and
It is broken, to reach trepanning effect.
2. pile foundation boring device according to claim 1, which is characterized in that the pile foundation boring device further includes wire-feed motor
Structure, the wire feeder are used for after single trepanning, are automatically replenished metal, facilitate the continuous automatic progress of trepanning operation.
3. pile foundation boring device according to claim 1 or 2, which is characterized in that the pile foundation boring device further includes liquid
Body supplementary mechanism, the liquid supplementary mechanism are used for after trepanning operation, according to the Expenditure Levels of liquid, are automatically replenished liquid
Body.
4. pile foundation boring device according to claim 3, which is characterized in that the trepanning power generation mechanism includes at least one
Metal passage and/or at least one fluid passage.
5. a kind of pile foundation boring method, which is characterized in that including:
Pulse current is passed through to the metal in metal passage, so that metallic high temperature gasifies, explosion occurs and generates the first impact force;Or
Person discharges to the liquid in fluid passage, generates the second impact force;Alternatively, being passed through pulse to the metal in the metal passage
Electric current, so that metallic high temperature gasification is exploded, meanwhile, with the liquid in the fluid passage chemistry occurs for the metal
Reaction generates third impact force;
Driving force by first impact force, second impact force or the third impact force as trepanning, by described
Driving force causes the extruding for waiting for trepanning soil layer and is crushed, to reach trepanning effect.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810427503.5A CN108571286B (en) | 2018-05-07 | 2018-05-07 | Pile foundation perforating device and method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810427503.5A CN108571286B (en) | 2018-05-07 | 2018-05-07 | Pile foundation perforating device and method |
Publications (2)
Publication Number | Publication Date |
---|---|
CN108571286A true CN108571286A (en) | 2018-09-25 |
CN108571286B CN108571286B (en) | 2024-04-19 |
Family
ID=63574285
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201810427503.5A Active CN108571286B (en) | 2018-05-07 | 2018-05-07 | Pile foundation perforating device and method |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN108571286B (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112360337A (en) * | 2020-11-04 | 2021-02-12 | 北京三一智造科技有限公司 | Pile foundation construction method |
CN112377094A (en) * | 2020-11-04 | 2021-02-19 | 北京三一智造科技有限公司 | Pile foundation construction method |
CN112605519A (en) * | 2020-12-18 | 2021-04-06 | 湖北科技学院 | Explosive welding method based on aluminum and water reaction |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5573307A (en) * | 1994-01-21 | 1996-11-12 | Maxwell Laboratories, Inc. | Method and apparatus for blasting hard rock |
CA2220920A1 (en) * | 1995-06-06 | 1996-12-12 | Maxwell Technologies, Inc. | Method and apparatus for blasting hard rock |
CN1160191A (en) * | 1995-10-30 | 1997-09-24 | 株式会社水山特装 | Rock fragmentation system using gold schmidt method |
US6405628B1 (en) * | 1999-08-17 | 2002-06-18 | Apti, Inc. | Method and apparatus for penetrating hard materials |
RU2221918C2 (en) * | 2002-02-06 | 2004-01-20 | Джантимиров Христофор Авдеевич | Construction method of built-in structural elements in soil |
RU2429191C1 (en) * | 2010-02-02 | 2011-09-20 | Государственное образовательное учреждение высшего профессионального образования "Самарский государственный университет путей сообщения" (СамГУПС) | Method of producing hydrogen |
CN103290840A (en) * | 2013-07-02 | 2013-09-11 | 二十二冶集团天津建设有限公司 | Prestressed pipe pile construction method under boulder group geological conditions |
CN103967001A (en) * | 2013-01-25 | 2014-08-06 | 深圳市勘察测绘院有限公司 | Hole-forming construction method for punching pile |
CN105735314A (en) * | 2016-04-27 | 2016-07-06 | 华中科技大学 | Electromagnetic piling device and electromagnetic piling method |
CN208184646U (en) * | 2018-05-07 | 2018-12-04 | 华中科技大学 | A kind of pile foundation boring device |
-
2018
- 2018-05-07 CN CN201810427503.5A patent/CN108571286B/en active Active
Patent Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5573307A (en) * | 1994-01-21 | 1996-11-12 | Maxwell Laboratories, Inc. | Method and apparatus for blasting hard rock |
CA2220920A1 (en) * | 1995-06-06 | 1996-12-12 | Maxwell Technologies, Inc. | Method and apparatus for blasting hard rock |
CN1191587A (en) * | 1995-06-06 | 1998-08-26 | 麦斯韦尔技术股份有限公司 | Method and apparatus for blasting hard rock |
CN1160191A (en) * | 1995-10-30 | 1997-09-24 | 株式会社水山特装 | Rock fragmentation system using gold schmidt method |
US6405628B1 (en) * | 1999-08-17 | 2002-06-18 | Apti, Inc. | Method and apparatus for penetrating hard materials |
RU2221918C2 (en) * | 2002-02-06 | 2004-01-20 | Джантимиров Христофор Авдеевич | Construction method of built-in structural elements in soil |
RU2429191C1 (en) * | 2010-02-02 | 2011-09-20 | Государственное образовательное учреждение высшего профессионального образования "Самарский государственный университет путей сообщения" (СамГУПС) | Method of producing hydrogen |
CN103967001A (en) * | 2013-01-25 | 2014-08-06 | 深圳市勘察测绘院有限公司 | Hole-forming construction method for punching pile |
CN103290840A (en) * | 2013-07-02 | 2013-09-11 | 二十二冶集团天津建设有限公司 | Prestressed pipe pile construction method under boulder group geological conditions |
CN105735314A (en) * | 2016-04-27 | 2016-07-06 | 华中科技大学 | Electromagnetic piling device and electromagnetic piling method |
CN208184646U (en) * | 2018-05-07 | 2018-12-04 | 华中科技大学 | A kind of pile foundation boring device |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112360337A (en) * | 2020-11-04 | 2021-02-12 | 北京三一智造科技有限公司 | Pile foundation construction method |
CN112377094A (en) * | 2020-11-04 | 2021-02-19 | 北京三一智造科技有限公司 | Pile foundation construction method |
CN112605519A (en) * | 2020-12-18 | 2021-04-06 | 湖北科技学院 | Explosive welding method based on aluminum and water reaction |
CN112605519B (en) * | 2020-12-18 | 2024-03-05 | 湖北科技学院 | Explosion welding method based on aluminum and water reaction |
Also Published As
Publication number | Publication date |
---|---|
CN108571286B (en) | 2024-04-19 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN108571286A (en) | A kind of pile foundation boring device and method | |
CN202596572U (en) | Well drilling rod and pulse plasma drilling machine system | |
US7198434B2 (en) | Full-displacement pressure grouted pile system and method | |
US20080131211A1 (en) | Installation effort deep foudnation method | |
WO2022227725A1 (en) | Trench forming construction method | |
CN208184646U (en) | A kind of pile foundation boring device | |
CN112576215B (en) | Ultrasonic device for oil shale staged hydraulic fracturing and construction method | |
CN112360337B (en) | Pile foundation construction method | |
CN108457264A (en) | A kind of roller-compactor and ramming method | |
WO2021035260A1 (en) | Method for producing a geothermal heat collector, drill for producing a geothermal heat collector, and geothermal heat collector | |
CN213980862U (en) | Room and pillar type exploitation and left coal pillar synergetic solid waste filling system | |
CN211524698U (en) | Numerical control spiral drilling machine | |
CN212200402U (en) | One shot forming PHC tubular pile prevents frostbite and expands drilling equipment | |
CN103573202A (en) | Sand bailing mechanism and drilling tool | |
CN110067541A (en) | Single-well water injection oil replacement method and device for fracture-cavity type carbonate reservoir | |
CN211113598U (en) | Karst cave handling system for deep foundation pit pile foundation construction in karst area | |
CN113106989A (en) | Electrochemical reinforcing system and method for opencast coal mine slope | |
BG60523B1 (en) | Method for the preparation of a pile and instrument for its making | |
CN207974768U (en) | Rotary excavating extruding expanding drilling head and rotary drilling rig including it | |
CN202832330U (en) | Sand mechanism and drilling tool | |
CN112240180A (en) | Water injection pipe | |
CN217033945U (en) | Electric hole forming device for detecting compaction degree of road bed | |
CN112343510B (en) | Construction method for crushing rock and coring by using plasma pulse | |
CN108532597A (en) | A kind of piling equipment and pile-driving method | |
CN114352191B (en) | Stratum weakening pretreatment method and pore-forming 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 |