CN104131564B - Vibroflotation powder sprays the stake technique processed of broken stone pile and its stake vibroflotation equipment processed - Google Patents
Vibroflotation powder sprays the stake technique processed of broken stone pile and its stake vibroflotation equipment processed Download PDFInfo
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- CN104131564B CN104131564B CN201310542130.3A CN201310542130A CN104131564B CN 104131564 B CN104131564 B CN 104131564B CN 201310542130 A CN201310542130 A CN 201310542130A CN 104131564 B CN104131564 B CN 104131564B
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Abstract
The present invention provides a kind of vibroflotation powder to spray the technique of broken stone pile, and it is：Start vibrating impacter, vibrating impacter starts pore-creating, the pore-creating on ground reaches set depth, lifting vibrating impacter is to a setpoint distance then up, vibrating impacter remains in operation, add inserts in hole, the inserts in vibrating impacter tremie pipe fall into hole from the tremie pipe mouth of pipe of lower end, and this inserts includes rubble simultaneously：Also include firming agent, it is cement, or this firming agent includes cement, and flyash and/or building sand, vibrating impacter will be closely knit for the inserts in the stake holes of this setpoint distance.The present invention sprays into while putting into inserts in stake holes so that the powder material spray solidification that inserts are solidified as a whole has globality, water stability and higher intensity so that rubble hardens, and can efficiently facilitate and obtain high-quality ground at a low price.The present invention also provides stake vibroflotation equipment processed used in above-mentioned technique.
Description
Technical field
The present invention relates to broken stone pile stake technical field, a kind of stake technique processed of vibro-replacement stone column is provided, is provided in particular in
A kind of vibroflotation is dusted the stake technique processed of broken stone pile.The present invention also provides stake vibroflotation equipment processed used in this stake technique processed.Background
Technology
In prior art, vibrosinking pile be using vibrating impacter on construction ground interior downward pore-creating to projected depth, due to vibroflotation
Device forms the upright opening more than vibrating impacter diameter itself in pore-creating, therefore can insert along the gap between vibrating impacter and shaped hole
Building stones, building stones drop down onto compacted by vibrating impacter behind bottom hole portion, then continue to insert building stones by vibrating impacter lifting certain altitude compacted, instead
Up to construction ground, stake processed terminates this process multiple.Though through compacted, formed pile body is still for the vibrosinking pile being formed with this engineering method
It is only so the close-packed arrays of building stones, not solidification forms integral type pile, and the globality of this broken stone pile and water stability be not high, because
This, bearing capacity of single pile is relatively low, needs construction stake radix amount to greatly increase, Bearing Capacity of Composite Foundation in identical construction area
It is restricted, construction cost is also of a relatively high.Also have a kind of engineering method in prior art, be Cement Spraying Pile Technology, using cement, Calx
Deng material as firming agent host, on the spot will be strong for the firming agent of weak soil and slurry or powder shaped by special Mixing Machine
System stirring, then be poured in stake holes, make the ground of weak soil scleroma some strength.Powder-spray pile is by Binder Materials and undisturbed soil and natural
Hydraulic knot is formed, and is wherein not spiked with coarse-fine aggregate.Due to composition material, powder-spray pile intensity is relatively low.Powder-spray pile is pressurized
Shi Rongyi produces certain deformation.Therefore, the applicable surface of this powder-spray pile is narrower.In prior art, the material of stake processed is put into
Stir in blender, be then sent in stake holes, such engineering method also makes the equipment of stake processed and operation all complicated.
Content of the invention
The main purpose of the present invention is to provide the vibroflotation powder spray combining powder pressure spray process in a kind of vibrating and impacting construction of ballast pile broken
Stone mar stake technique, makes powder spray material and fully combines to form overall single pile, to improve the single pile bearing of pile foundation with coarse-fine aggregate
Power, reduces the stake quantity processed in unit area, reduces the cost of rigidity stake processed, increases the economic benefit of pile driving construction processed.
Another object of the present invention is to providing a kind of above-mentioned vibroflotation powder to spray stake vibroflotation processed used in the technique of broken stone pile
Equipment.
The purpose of the present invention is achieved by the following technical solution：
A kind of vibroflotation powder sprays the technique of broken stone pile, comprises the steps：
Step 1：Start vibrating impacter, vibrating impacter starts to make stake holes, and the pore-creating on ground reaches set depth；
Step 2：It is lifted up vibrating impacter to a setpoint distance, vibrating impacter remains in operation, the filling in vibrating impacter tremie pipe
Material falls into hole from the tremie pipe mouth of pipe of lower end, and this inserts includes rubble, also includes firming agent, and it is：Cement；Or, bag
Include cement, and flyash and/or building sand, this firming agent is that powder jet pipe is sent into by other conduit, in vibrating impacter blanking
The bottom of pipe is fallen in stake holes together with described rubble, and in the presence of the conventional water spray of vibrating impacter, described firming agent is mixed with rubble
Close, vibrating impacter will be closely knit for the inserts of this setpoint distance in stake holes；
Repeat step 2, until filler is closely knit in whole hole, forms the powder spray broken stone pile being solidified as a whole after solidification is dried.
In inserts, the proportioning of firming agent is preferably：0.7～0.85m3Rubble in, add cement 400～450Kg,
Or, add 320～360Kg cement and 0.6m3Building sand, or, add 250～290Kg cement and 100kg flyash, or
Person, adds 250～290Kg cement, 100kg flyash and 0.55m3Building sand.
If according to volume basis, described firming agent and the volume ratio throwing in rubble can be 10～40：100.
The input speed of inserts in work progress：0.5～1m3/ minute.The vibroflotation frequency of vibrating impacter can be 1450Hz
～3500Hz.
Described firming agent is conveyed by pressure, mixes with rubble in gasification bottom in tremie pipe for the state.Described discharge tube
Discharge pressure can be 0.3～0.5Mpa.
Described rubble can be that the air pressure being provided by the Pressure chamber being connected with tremie pipe in vibroflotation equipment is constantly downward
Add in expects pipe.
The pressure of described feeding chamber can be 0.3～0.5Mpa.
The average diameter of rubble is usually 3～10 centimetres.
Carry out in step 2 in compacting process, can close to its hole for water spraying water transport channel in vibrating impacter, cool down vibrating impacter
The water of motor is returned in ground water tank by the return pipe being provided with.
A kind of vibroflotation powder used in above-mentioned technique that the present invention provides sprays the stake vibroflotation equipment processed of broken stone pile, including shaking
Rush device and blanking device,
Described blanking device includes tremie pipe, cable tube and powder jet pipe,
The upper end of described tremie pipe connects feeding chamber and feeding device, the fixed described vibrating impacter in lower end of this tremie pipe；
Described cable tube is arranged on the internal or external of described tremie pipe, is fixedly connected with this tremie pipe, wherein sets cable
Line is connected with described vibrating impacter；
Described powder jet pipe is arranged on inside described tremie pipe, and its upper end passes described tremie pipe with firming agent pressurized tank even
Connect, its lower port is arranged on the bottom of described tremie pipe.
The bottom of described tremie pipe has a flaring conical section, in following connection one direct tube section of this flaring conical section, institute
State vibrating impacter and be placed in below this flaring conical section, a side tube-wall of the direct tube section that reclines, above vibrating impacter, setting guide plate makes down
Expects pipe passage is partial to the opposite side of direct tube section in its underpart.
The bottom that the lower end outlet of described discharge tube is arranged on described flaring conical section is advisable.
The lower end outlet of described discharge tube is preferably higher than the distance of the lower end outlet of described inserts tremie pipe：2～4
Rice.
Further, described blanking device can also include flow pipe and return pipe, and described flow pipe and tremie pipe are fixed
Connect, the upper port of this flow pipe connects water pump, lower port connects described vibrating impacter and is used for cooling down vibrating impacter motor；Described backwater
Pipe one end connects described motor, and the other end connects storage tank, is closing when the conversion valve on the water injector in described vibrating impacter
When closing hole for water spraying, the water of cooling vibrating impacter motor passes through described return pipe and flows out vibrating impacter motor return storage tank.
In addition, in the case of for pressure conveying, can be relatively thin by the pipe diameter determing of described discharge tube, be arranged on described under
On the inwall of expects pipe, do not affect the conveying of rubble, the caliber of this powder jet pipe with tremie pipe caliber relation can be：Tremie pipe pipe
Footpath：Powder jet pipe caliber is 5～10 times.Such powder jet pipe can also ensure dust discharge pressure enough while make provide
Discharge pressure smaller, so that conveying equipment is simpler and safer.In the case of powder jet pipe is arranged in tremie pipe
Also impact will not be produced for the conveying of rubble.
Further, setting imported valve and outlet valve in described feeding chamber.
Described feeding chamber is preferably pressure type feeding chamber, which is provided with compressed air conveyer device.
The pressure of described feeding chamber can be 0.3～0.5Mpa.
The pressure of described discharge tube can be 0.3～0.5Mpa.
The vibroflotation powder that the present invention provides sprays the stake technique processed of broken stone pile, sprays into permissible while putting into rubble in stake holes
Make the firming agent that inserts are solidified as a whole so that broken stone pile scleroma has globality, water stability and higher intensity, Neng Gougao
Efficacious prescriptions obtain just and at a low price high-quality ground.The vibroflotation powder that the present invention provides sprays the stake vibroflotation equipment processed of broken stone pile, and structure is simple
Compact, it is to dust while vibroflotation to provide Reliable guarantee.
Brief description
The stake vibroflotation equipment processed that Fig. 1 sprays broken stone pile for the vibroflotation powder that the present invention provides is arranged on the signal of operation in stake holes
Figure.
Fig. 2 sprays the structural representation of the stake vibroflotation equipment processed of broken stone pile for the vibroflotation powder that the present invention provides.
Fig. 3 is the A-A cross-sectional view of Fig. 2.
Specific embodiment
The vibroflotation powder that the present invention provides sprays the technique of broken stone pile, enters using in stake vibroflotation equipment processed as depicted in figs. 1 and 2
OK.Vibroflotation powder sprays the stake equipment processed of broken stone pile, and including vibrating impacter 1 and blanking device, blanking device includes tremie pipe 2, cable tube
7a and powder jet pipe 7b (see Fig. 3), the upper end of tremie pipe 2 connects feeding chamber 5 and feeding device 6, the fixed vibroflotation in lower end of tremie pipe 2
Device 1；
The bottom of tremie pipe 2 has a flaring conical section 3, in following connection one direct tube section 21 of this flaring conical section 3, shakes
Rush device 1 to be placed in below this flaring conical section 3, a side tube-wall of the direct tube section 21 that reclines, vibrating impacter 1 top setting guide plate 31, make
Obtain the opposite side that blanking tube passage is partial to direct tube section in its underpart.So can avoid pounding vibroflotation by the rubble that tremie pipe falls
Device 1.The lower port of tremie pipe 2 can be to be substantially flush with vibrating impacter 1 lower end.
Described cable tube 7a is arranged on the inside of tremie pipe, is fixedly connected with this tremie pipe 2, and it is hollow-core construction, wherein
If cable is connected with vibrating impacter 1.
Described powder jet pipe 7b is arranged on inside tremie pipe 2, and its upper end is passed tremie pipe 2 and added by connecting tube 70 and firming agent
Pressure storage tank 9 connects, and its lower port 71 is arranged on above the lower port of described tremie pipe, to be arranged under flaring conical section 3
Portion is preferred.
Blanking device can also include flow pipe 8a and return pipe 8b, and flow pipe 8a is fixedly connected with the inwall of tremie pipe 2,
The upper port of this flow pipe 8a connects water pump, and lower port connects described vibrating impacter, for cooling down vibrating impacter motor, cooling motor
Water can also be sprayed by hole for water spraying, makes stake holes A to carry out vibroflotation；Return pipe 8b one end connects vibrating impacter motor, and the other end is even
Connect storage tank, also set up regulation valve plate thereon, be used for selecting a communication return pipe and do not spray water or end return pipe and spray water.
As shown in figure 3, in tremie pipe 2, cable tube 7a, powder jet pipe 7b and flow pipe 8a are evenly distributed in tremie pipe
On 2 circumferential inner walls, it is fixed that return pipe 8b can be attached to blanking inside pipe wall.
Tremie pipe caliber：Powder jet pipe caliber is 5-10 times.Can be for example 7 times.
The best pressure type feeding chamber of described feeding chamber 5, setting imported valve 51 and outlet valve in described feeding chamber 5
52.It passes through driving means 511 and 521 drive controls respectively, as shown in Figure 2.Feeding chamber 5 is provided with compressed air conveying dress
Put.
Carry out the technique that vibroflotation powder sprays broken stone pile in the said equipment：
Step 1：Start vibrating impacter 1, vibrating impacter starts pore-creating, makes stake holes A on ground and reaches set depth,
Step 2：From stake holes bottom up lifting vibrating impacter to a setpoint distance, vibrating impacter 1 remains in operation but adjusts valve plate
And no longer spray water, simultaneously by feeding chamber 5 pressurize in hole add inserts B in rubble, in inserts B also include solidify
Agent, it is at least one in cement and other two kinds in flyash, cement and building sand, and this firming agent passes through pressurized tank
9 pressurizations, are ejected in inserts tremie pipe 2 through powder jet pipe 7b, are then entered stake holes A together with rubble, this is set by vibrating impacter 1
Inserts in the stake holes of distance mix closely knit with the water in stake holes；
Repeat step 2, until whole hole in filler fill up closely knit.
In above-mentioned technique, the proportioning of the inserts of use can be：
The input speed of inserts in work progress：0.5～1m3/ minute, the vibroflotation frequency of vibrating impacter can be 1450Hz
～3500Hz.E.g. 2000 hertz, or 3000 hertz, or 1500 hertz, or 3500 hertz and aforementioned four example
Coupling.The average diameter of rubble can be 3～10 centimetres.For example can be 3-5 centimetre, or 5 centimetres, or 7 centimetres, or
It is 8.5 centimetres, or 10 centimetres and aforementioned four example match.
Spray firming agent while filling metaling, the ratio of firming agent and metaling is can be 10～40：100, lift
Example, this ratio is 30：100.When filling metaling 100 side, spray firming agent 30 side.Rubble and the pressure difference of dusting of firming agent
It is 0.5Mpa and 0.4Mpa.
When vibroflotation makes stake holes, it is desirable to provide current are used as impact pore-forming and cooling vibrating impacter motor, impact and cool down
Current use same flow pipe 8a, and water sprays from vibrating impacter 1 head after the motor flowing through vibrating impacter 1；Vibrating impacter 1 is downward
During pore-creating, impact and cooling are required for water；It is no longer necessary to water slug auxiliary pore-creating during lifting encryption, but motor
Cooling water is still needed；The effect of the stake vibroflotation equipment add-back water pipe 8b processed that the present invention provides is to control water by conversion valve
Ejection so that only pore-creating when vibrating impacter head water spray, in encryption, water returns to the water tank on ground along return pipe, so permissible
Reduce the waste of water.I.e. when adjusting valve plate cut-off return pipe, the hole for water spraying that the water of cooling motor passes through on vibrating impacter sprays, and uses
In making stake holes.When conversion valve close jet hole on the water injector in described vibrating impacter, cooling vibrating impacter motor
Water by described return pipe flow out stake holes return storage tank, this be in stake holes filling rubble and firming agent carry out closely knit
Process.
When making broken stone pile in prior art, vibrating impacter will be sprayed water when vibroflotation makes stake holes, and the rubble in stake holes is being shaken
When rushing closely knit, also to spray water.During vibroflotation construction, encryption injection flow rate is very big, and water full of the hole entirely produced, and can return to ground.By
Soil around in poration process is compacted, and water penetration is deteriorated, and therefore only least a portion of water penetrates into stratum, most of water
Flow back to ground with inserting of building stones.
In the technique of the present invention, the water spray of vibrating impacter is same as the prior art, and can not adjust change.Routine makes stake
The water yield of hole and closely knit applying just disclosure satisfy that firming agent and metaling are used in mixed way.When filling in the stake holes of this setpoint distance
It is lifted up vibrating impacter again to a setpoint distance after material vibro densification, then convey rubble and firming agent, then vibro densification.Like this
Filling metaling and firming agent powder material spray paragraph by paragraph, constantly circulates, until filler is closely knit in whole hole.The method providing in the present invention
In, if simply using the vibroflotation method of prior art, vibrating impacter is all sprayed water all the time, is sometimes likely to result in hypervolia,
So not only cause the waste of water, meanwhile, the water that firming agent is above gushed also can be made to take away, the effect of impact vibroflotation solidification.Cause
This, during closely knit vibroflotation, vibrating impacter can not be sprayed water.If when the water in stake holes is not enough it is also possible to adjust valve plate, allowed
Vibrating impacter sprays the water yield meeting closely knit vibroflotation, then turns off the water spray of vibrating impacter, allows the water of cooling motor to be returned by return pipe
Return in the water tank on ground.
This construction technology utilizes produced series of physical one chemical reaction between firming agent and rubble, so that rubble is hardened
Become there is the high-quality ground of globality, water stability and higher-strength.
The lower end outlet 71 of described discharge tube 7 is higher than that the lower end of described inserts tremie pipe 2 exports 21.In this manner it is possible to
Ensure during vibroflotation, by firming agent powder from spraying above, be mixed and fall in stake holes with the rubble in tremie pipe 2, warp
Cross vibroflotation effect, so that firming agent powder body can uniformly be mixed with rubble.
Described feeding chamber 5 is pressure type feeding chamber in the present embodiment, which is provided with compressed air conveyer device.Rubble is
Constantly added in tremie pipe by the air pressure that the Pressure chamber being connected with tremie pipe 2 in vibroflotation equipment is provided, conveying rubble
Pressure is 0.3-0.5Mpa.
In the prior art, do basis, or be filled only with rubble, make broken stone pile through vibroflotation, or in rubble
Add cement, flyash etc., it is put in blender together with rubble and stirs into mortar, then be poured in stake holes (i.e. CFG work
Method), and powder spray broken stone pile one anti-convention that the method for the present invention manufactures, stake holes is made using vibroflotation method, by rubble and firming agent
Siccative enters in stake holes by under the tremie pipe of vibrating impacter together, by vibrating impacter vibro densification, obtains integrated pile, that is, the present invention with
The difference of existing CFG engineering method is to deliver in stake holes by firming agent dry powder by special pipeline, in vibrating impacter and in stake holes
In vibroflotation during mix with rubble etc..And it is to add firming agent with the difference of common broken stone pile, obtain one
The vibrosinking pile of body.The method that the present invention provides overcomes the hypodynamic shortcoming of simple broken stone pile single pile bearing so that broken stone pile
Bearing capacity of single pile reaches the 90～95% of CFG stake.Compare with CFG engineering method, in technique, have the advantage that：
Become present aspect can reduce by 50% in construction equipment, powder spray broken stone pile is only using the truck crane of vibroflotation equipment and auxiliary
Or crawler crane can construct, CFG stake must be using special rotary drilling rig, blender also to be used, equipment cost in construction
High.From workmen's quantity, during powder spray the Macadam Pile Construction, hoistman, rubble feeding operation handss and powder is only needed to add
Material each one of manipulator can construct, and man-hour requirement rotary drilling rig manipulator, cement mixer manipulator, water are being applied in CFG stake
Each one and descend reinforcing bar personnel 2～3 just can be constructed in the borehole of dredge pump car manipulator.
In terms of general rule, the present invention directly vibroflotation in stake holes, during rubble is closely knit, cement etc. is solid
Agent is blended in rubble, because stirring the uniform of mixing not as in CFG engineering method, the used in amounts of the firming agent such as cement will increase,
But in fact, the addition of firming agent can not increase if it is possible to get hold of rubble in the piling method processed of this powder spray broken stone pile
With the blanking velocity of firming agent, that is, when ensureing to discharge from vibrating impacter tremie pipe, rubble and firming agent are just preferably mixed,
Used in this method, the proportioning of inserts can be essentially identical with the proportioning of CFG method, even can also reduce firming agent
Consumption.
The lower end outlet of described discharge tube is higher than that the distance of the lower end outlet of described inserts tremie pipe is：2～4 meters, that is,
2～3 meters before inserts spray tremie pipe, inserts start to be sufficiently mixed with the firming agent of gasification state.
The pressure of described feeding chamber is 0.3～0.5Mpa.The discharge pressure of described discharge tube is 0.3～0.5Mpa.So
Dust pressure so that firming agent be in gasification state, preferably mix with rubble.
Claims (12)
1. a kind of vibroflotation powder sprays the technique of broken stone pile, comprises the steps：
Step 1：Start vibrating impacter, vibrating impacter starts to make stake holes, makes stake holes on ground and reaches set depth；
Step 2：It is lifted up vibrating impacter to a setpoint distance, vibrating impacter remains in operation, in the tremie pipe in a blanking device
Inserts fall into hole from the tremie pipe mouth of pipe of lower end, and this inserts includes rubble, also includes firming agent, and this firming agent is water
Mud, or this firming agent includes cement, and flyash and/or building sand, this firming agent is arranged on by other conduit
Powder jet pipe within described tremie pipe is conveyed by pressure and sends into, and falls into stake in the bottom of described tremie pipe together with described rubble
Kong Zhong, in the presence of the conventional water spray of vibrating impacter, described firming agent is mixed with rubble, and vibrating impacter is by the filling out of setpoint distance in stake holes
Charge is closely knit；
Repeat step 2, until filler is closely knit in whole stake holes, forms the powder spray broken stone pile being solidified as a whole after solidification is dried.
2. technique according to claim 1 it is characterised in that：
In inserts, firming agent with the proportioning of rubble is：0.7～0.85m3Rubble in, add cement 400～450kg, or
Person, adds 320～360kg cement and 0.6m3Building sand, or, add 250～290kg cement and 100kg flyash, or,
Add 250～290kg cement, 100kg flyash and 0.55m3Building sand.
3. technique according to claim 1 and 2 it is characterised in that：The input speed of inserts in work progress：0.5～
1m3/ minute；And/or,
The vibroflotation frequency of vibrating impacter is 1450Hz～3500Hz；And/or,
Described firming agent is conveyed by pressure, mixes with rubble in gasification bottom in tremie pipe for the state；And/or,
This technique use vibroflotation equipment include vibrating impacter and blanking device, described blanking device include tremie pipe, cable tube and
Powder jet pipe, the upper end connection feeding chamber of described tremie pipe and feeding device, the fixed described vibrating impacter in lower end of this tremie pipe, described
Cable tube is arranged on the internal or external of described tremie pipe, is fixedly connected with this tremie pipe, wherein sets cable and described vibroflotation
Device connects；Described powder jet pipe is arranged on inside described tremie pipe, and its upper end passes described tremie pipe with firming agent pressurized tank even
Connect, its lower port is arranged on the bottom of described tremie pipe,
Described rubble is constantly to be added in tremie pipe by the air pressure that the feeding chamber being connected with tremie pipe in vibroflotation equipment is provided
Plus；And/or,
The pressure of described feeding chamber is 0.3～0.5Mpa；And/or,
The pressure of described powder jet pipe is 0.3～0.5Mpa；And/or,
The average diameter of rubble is 3～10 centimetres；And/or,
Described firming agent and the volume ratio throwing in rubble are (10～40):100；And/or,
Described blanking device also includes flow pipe and return pipe, and described flow pipe is fixedly connected with tremie pipe, this flow pipe upper
Port connects water pump, and lower port connects described vibrating impacter and is used for cooling down vibrating impacter motor, and described return pipe one end connects described electricity
Machine, the other end connects storage tank, carries out in step 2 in compacting process, closes the water transport channel to stake holes water spray in vibrating impacter,
The water of cooling vibrating impacter motor is returned in the storage tank of ground by the return pipe of setting in described blanking device.
4. a kind of vibroflotation powder spray broken stone pile stake vibroflotation equipment processed it is characterised in that：Including vibrating impacter and blanking device, described under
Material device includes tremie pipe, cable tube and powder jet pipe,
The upper end of described tremie pipe connects feeding chamber and feeding device, the fixed described vibrating impacter in lower end of this tremie pipe；Described electricity
Cable pipe is arranged on the internal or external of described tremie pipe, is fixedly connected with this tremie pipe, wherein sets cable and described vibrating impacter
Connect；
Described powder jet pipe is arranged on inside described tremie pipe, and its upper end is passed described tremie pipe and is connected with firming agent pressurized tank,
Its lower port is arranged on the bottom of described tremie pipe.
5. vibroflotation powder according to claim 4 spray broken stone pile stake vibroflotation equipment processed it is characterised in that：Described tremie pipe
Bottom has a flaring conical section, and in following connection one direct tube section of this flaring conical section, described vibrating impacter is placed in this flaring cone
Below shape section, a side tube-wall of the direct tube section that reclines, above vibrating impacter, setting guide plate makes blanking tube passage be partial in its underpart
The opposite side of direct tube section.
6. vibroflotation powder according to claim 5 spray broken stone pile stake vibroflotation equipment processed it is characterised in that：Described powder jet pipe
Lower end outlet is arranged on the bottom of described flaring conical section；And/or,
The lower end outlet of described powder jet pipe is higher than that the distance of the lower end outlet of described tremie pipe is：2～4 meters.
7. vibroflotation powder according to claim 4 or 5 or 6 spray broken stone pile stake vibroflotation equipment processed it is characterised in that：Under described
Material device also includes flow pipe and return pipe, and described flow pipe is fixedly connected with tremie pipe, and the upper port of this flow pipe connects water
Pump, lower port connects described vibrating impacter and is used for cooling down vibrating impacter motor；Described return pipe one end connects described motor, and the other end is even
Connect storage tank.
8. vibroflotation powder according to claim 4 or 5 or 6 spray broken stone pile stake vibroflotation equipment processed it is characterised in that：Described powder
Jet pipe is arranged on the inwall of described tremie pipe.
9. vibroflotation powder according to claim 7 spray broken stone pile stake vibroflotation equipment processed it is characterised in that：Described powder jet pipe sets
Put on the inwall of described tremie pipe.
10. vibroflotation powder according to one of claim 4 to 6 spray broken stone pile stake vibroflotation equipment processed it is characterised in that：Described
Tremie pipe caliber is 5～10 with the ratio of described powder jet pipe caliber.
11. vibroflotation powder according to claim 7 spray broken stone pile stake vibroflotation equipment processed it is characterised in that：Described tremie pipe
Caliber is 5～10 with the ratio of described powder jet pipe caliber.
12. vibroflotation powder according to claim 8 spray broken stone pile stake vibroflotation equipment processed it is characterised in that：Described tremie pipe
Caliber is 5～10 with the ratio of described powder jet pipe caliber.
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|---|---|---|---|
| CN201310542130.3A CN104131564B (en) | 2013-05-27 | 2013-11-05 | Vibroflotation powder sprays the stake technique processed of broken stone pile and its stake vibroflotation equipment processed |
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| CN201310200321.1 | 2013-05-27 | ||
| CN2013102003211 | 2013-05-27 | ||
| CN201310200321 | 2013-05-27 | ||
| CN201310542130.3A CN104131564B (en) | 2013-05-27 | 2013-11-05 | Vibroflotation powder sprays the stake technique processed of broken stone pile and its stake vibroflotation equipment processed |
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| Publication Number | Publication Date |
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| CN104131564A CN104131564A (en) | 2014-11-05 |
| CN104131564B true CN104131564B (en) | 2017-03-01 |
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| WO2023080774A1 (en) * | 2021-11-05 | 2023-05-11 | Will N Well Property Sdn Bhd | A system for guiding tremie pipe placement and a method for using thereof |
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| CN104358248B (en) * | 2014-11-13 | 2016-04-27 | 中国水电基础局有限公司 | The telescopic guide rod of vibro replacement stone column machine |
| CN107299629B (en) * | 2017-06-21 | 2019-06-07 | 廊坊市仁达岩土工程有限公司 | A kind of integrated water-carriage system for vibroflotation construction |
| CN108532585A (en) * | 2018-04-12 | 2018-09-14 | 桂林理工大学 | A kind of method for processing foundation of ancient collapse in karst region |
| CN112030646A (en) * | 2020-03-04 | 2020-12-04 | 河北鸿森公路工程技术有限公司 | Granular pile construction process for treating highway diseases |
| CN113110337B (en) * | 2021-04-20 | 2022-04-05 | 中国华能集团有限公司 | Intelligent feeding device and method for vibroflotation gravel pile |
| CN116988736B (en) * | 2023-07-19 | 2024-02-20 | 中电建振冲建设工程股份有限公司 | Hole guiding vibroflotation process of composite foundation |
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