CN207003405U - Pneumatics ruggedized equipment - Google Patents
Pneumatics ruggedized equipment Download PDFInfo
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- CN207003405U CN207003405U CN201720281772.6U CN201720281772U CN207003405U CN 207003405 U CN207003405 U CN 207003405U CN 201720281772 U CN201720281772 U CN 201720281772U CN 207003405 U CN207003405 U CN 207003405U
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Abstract
A kind of pneumatics ruggedized equipment that the utility model is related to, it includes vibration hammer（2）With vibration air-pressure tube（9）, vibrate air-pressure tube（9）For seamless steel pipe, vibration hammer（2）Connection vibration air-pressure tube（9）Top, vibration hammer（2）Vibration hammer mesopore（1）With vibration air-pressure tube（9）On same vertical line, air-pressure tube is vibrated（9）Top（3）For closed valve, air-pressure tube is vibrated（9）Side set gas injection port（6）, gas injection port（6）Place sets gas injection port valve（7）, vibrate air-pressure tube（9）Lower end be provided with multi-disc flap valve（10）The cone gate of composition.The utility model mainly solves existing process when providing a kind of pneumatics ruggedized equipment progress reinforced soft soil ground construction can not be to soft soil foundation deep-layer reinforcing, the all technical of design can not particularly be met after muck soil and the reinforced processing of sludge interlayer soil, it is workable, it is simple and practical, technique is advanced, and application prospect is extremely wide.
Description
Technical field
A kind of pneumatics ruggedized equipment is the utility model is related to, is mainly used on soft soil foundation reinforcing method, suitable for soft
Soil base rapid reinforcement processing, possession base processing technology field.
Background technology
At present, during large-area soft ground consolidation process, frequently with " Dewatering dynamic compaction method ", by needing to reinforce
Soft soil foundation insertion well-point pipe or the technique such as plastic draining board, the bright row of trench digging, under conditions of lowering of watertable, using more
Reach the purpose of reinforced soft soil ground all over strong rammer.
But during practice of construction, strong rammer is to the tamping energy of soft soil foundation because of the mechanics index of physics difference of weak soil
Obtained effect is also not quite similar, and tamping energy is difficult control.Limited simultaneously by strong rammer plant equipment, its tamping energy can not carry
Height, reinforcement depth is directly affects, therefore Dewatering dynamic compaction technique is generally used for shallow layer reinforcement, its effective reinforcement depth 6m scopes.
Because strong rammer requires higher to the optimum moisture content of the soil body, so carrying out strong rammer in silt soil, required reinforcing is not reached not only
Effect, cause to destroy soil structures because of the infiltration coefficient of silt soil difference on the contrary, silt soil is difficult to recover after rammer.
The content of the invention
The purpose of this utility model is to overcome above-mentioned deficiency, there is provided a kind of pneumatics ruggedized equipment, can utilize existing
Vibation pile placing machine, pressue device is set on Vibation pile placing machine steel pipe, configures air pressure pump, forms pneumatics ruggedized equipment.It is aided with and is shaken two
Precipitation well point is set in pressure point, precipitation pneumatics is formed and reinforces grid, by required depth from bottom to top to needing reinforcing soft soil deep layer to enter
Row consolidation process, to reach the required effective processing for reinforcing thickness.By pneumatics method for strengthening, work is reinforced in layering from bottom to top
Skill, its reinforcement depth are effectively ensured, and construction quality obtains Reliable guarantee, and substantially increases work efficiency, not only construction speed
Degree is fast, and quality controllable it is foreseeable that having established reliable method to ensure that reinforced soft soil ground handles quality.
What the purpose of this utility model was realized in：
A kind of pneumatics ruggedized equipment, it includes vibration hammer and vibration air-pressure tube, and vibration air-pressure tube is seamless steel pipe, vibration hammer
The top of connection vibration air-pressure tube, the vibration hammer mesopore and vibration air-pressure tube of vibration hammer are located on same vertical line, vibrate pneumatics
The top of pipe is closed valve, and the side for vibrating air-pressure tube sets gas injection port, sets gas injection port valve at gas injection port, vibrates pneumatics
The lower end of pipe is provided with the cone gate of multi-disc flap valve composition.
Vibrate and material filling mouth is set on air-pressure tube, the vibration air-pressure tube of material filling mouth corresponding position sets material filling mouth valve.
Water filling port is provided with vibration air-pressure tube, the vibration air-pressure tube of water filling port corresponding position sets water filling port valve.
The quantity of flap valve is generally 4-6 pieces.
Air compressor is connected by high-voltage tube at gas injection port.
Compared with prior art, the beneficial effects of the utility model are：
Carrying out reinforced soft soil ground construction method using pneumatics ruggedized equipment of the present utility model has advantages below：
1st, one manage on earth, dual compacting, technique is advanced reliable.
Utilize existing Vibation pile placing machine, you can carry out precipitation pneumatics strengthening construction；Air compressor is configured simultaneously, to shape in pipe
Into 60KPa air pressure, the soil body under pipe is loaded, with the riser of air-pressure tube loading force it is constant under conditions of,
It is thick to needing the reinforcing deep soil body=60KPa+ subjacent beds（M) × 16KPa adding carrier, it is ensured that subjacent bed soil bearing capacity feature
Value meets the index of design.The air pressure in soil body gravity load+overlying burden 60KPa is that is to say, to subjacent bed soil
Body carries out ballast reinforcing, and with being pulled out in vibration institute pressure pipe, under conditions of the subjacent bed soil body is thicker, the subjacent bed soil body is by gravity pressure
Bigger, its consolidation effect is better, the characteristic load bearing capacity of foundation soil（fak）It is higher.
In implementation process, vibration air-pressure tube buries to produce the soil body and pulled out on squeezing action and vibration air-pressure tube the technique
During, Double Pressures drainage is produced to the soil body, therefore it is aided with dewatering process, buried using the vibrated air-pressure tube of the soil body
To the squeezing action of the soil body in journey, Free water in weak soil and be forced to drive to the well point of periphery with reference to water, by well point outside
Portion's vavuum pump vacuumizes, and the underground water in well point is discharged the soil body；The soil body is applied in pressure process is vibrated simultaneously
60KPa air pressure, and will largely be driven in the soil body with reference to water by air pressure to the well point of negative pressure of vacuum.Quick drainage is reached
With the purpose for accelerating soil body compression concretion.
2nd, relay precipitation, solves deep layer precipitation problem.
Existing well-points dewatering technique is drawn water using vavuum pump, and with the extension of well casing embedded depth, its vacuum declines vacuum
Subtract, therefore to the effect of subjacent bed soil body negative pressure of vacuum and unobvious, the measured result through test of many times process, take vacuum-dewatering
It is only 0.1KPa to its negative pressure of vacuum in below the 8m soil bodys, therefore, unobvious is acted on to the precipitation of the subjacent bed soil body, it is right in other words
The bottom soil body is at all without effect.The utility model then takes air-pressure tube to bury pressure of the extrusion drainage combination air pressure to the soil body
Contracting, make most of Free water in deep soil and with reference to water, extrude and the dual-pressure of air pressure under, form upper up-flow, with
And pulled out on air-pressure tube, the subjacent bed soil body is under overlying burden effect, and caused gravity pressure is bigger, and the hydrone in the soil body is with pressure
The increase of power and rise, in the range of reaching vavuum pump suction function, by the vacuum pumped soil body.
That is, dewatering effect of the present utility model is not to be vacuumized by vacuum to reach, but by connecing
The mode of power precipitation, i.e. 6 ~ 8m are by extruding the loading to realize down in the sleeping soil body to the soil body with compressed air with descending water
Free water and rise with reference to water with soil body on-load pressure, when the ascending current reaches the scope of the limited negative pressure of vacuum of vavuum pump,
Discharged by the vacuum pumped soil body.
3rd, dual-pressure reinforcing soft soil, implement simple.
Using existing Vibation pile placing machine, by external air compressor, intraductal atmospheric pressure power is kept during tube drawing
60KPa, the soil body is loaded using the air pressure, as vibration air-pressure tube rising 1m, then 60KPa+ is applied with to below the 1m soil body（It is empty
Pressure pipe radius square × 3.14 × 16KPa）Loading force above, vibration air-pressure tube lifting is higher, and the subjacent bed soil body is applied
Load it is bigger, subjacent bed soil bearing capacity characteristic value is also higher.
Due to being further applied load the soil body using air pressure, and under conditions of the construction of whole construction point keeps air pressure, to soil
The pressure of body can be regarded as static pressure, and therefore, its perturbation action to the soil body is smaller than dynamic consolidation construction, and also phase is destroyed to soil structures
It should reduce, along with negative pressure of vacuum is to compression caused by the soil body, the soil body is obtained fast quick-recovery after pneumatics, it is soft to accelerate
Native basement process is laid a good foundation.
4th, it is applied widely, it is suitable for different reinforcement of soft soil processing.
The handy vibration air-pressure tube of the utility model buries reinforcings, and therefore, vibration air-pressure tube embedded depth is to reinforce effectively
Depth.Because air-pressure tube is seamless steel pipe, its embedded depth can be lengthened arbitrarily as needed, when Vibation pile placing machine frame maximum height limit
When, it can also use Static pressure pile driver to embrace the pattern of pressure, further extension carries out consolidation process to the soil body for needing reinforcement depth.
Meanwhile the utility model does not only rely on to press and carries out loading processing to the subjacent bed soil body, also using clearance control
Air pressure is to needing soil mass consolidation to produce more than 60KPa surge, and during operation, operating personnel only need to be according to sky during tube drawing
Atmospheric pressure table controls, and is constructed by accelerating to be lifted or reducing lifting speed to reach the air pressure-loading of different soil properties.
5th, construction cost is low, and speed is fast, and soil strength significantly improves：
The utility model is small to soil disturbance compared with existing " Dewatering dynamic compaction ", and reinforcement depth is deep, and consolidation process is completed
Afterwards, the soil strength in the range of its reinforcement depth can be improved to 80 ~ more than 100KPa.Effective reinforcement depth is the three of well-points dewatering
Times, its consolidation effect is accordingly three times of well-points dewatering strong rammer.
Either unit area construction costs or duration, quality, this technique low cost, the advantage of short time limit are brighter
It is aobvious.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the schematic diagram of arrangement precipitation well point.
Wherein：
Vibration hammer mesopore 1, vibration hammer 2, top 3, material filling mouth valve 4, material filling mouth 5, gas injection port 6, gas injection port valve 7, note
The mouth of a river 8, vibration air-pressure tube 9, flap valve 10, pneumatics reinforcement point 11, precipitation well point 12.
Embodiment
Referring to Fig. 1, a kind of pneumatics ruggedized equipment that the utility model is related to, it includes vibration hammer 2 and vibration air-pressure tube 9,
Vibration air-pressure tube 9 is seamless steel pipe, the top of the connection vibration air-pressure tube 9 of vibration hammer 2, the vibration hammer mesopore 1 of vibration hammer 2 and vibration
Air-pressure tube 9 is located on same vertical line, and the top 3 of vibration air-pressure tube 9 is closed valve, and the side of vibration air-pressure tube 9 sets note
Gas port 6, gas injection port valve 7 is set at gas injection port 6, and passing through high-voltage tube at gas injection port 6 connects air compressor, vibrates air-pressure tube 9
Lower end be provided with the cone gate of the composition of multi-disc flap valve 10, the quantity of flap valve 10 is generally 4-6 pieces.
In order to fully expand the use range of pneumatics ruggedized equipment, also material filling mouth 5 and note can be set on vibration air-pressure tube 9
The mouth of a river 8, but material filling mouth valve 4 and water filling port valve should be set up in corresponding position when setting material filling mouth 5 and water filling port 8, really
Protect the sealing of vibration air-pressure tube.
The number of assembling steps of above-mentioned pneumatics ruggedized equipment：
1st, vibration hammer：Vibration hammer is that the power of exciting hammer determines according to soil condition and design reinforcement depth, general to use
Mesopore twin motors exciting is hammered into shape, and because this technology is mainly used in Soft Ground, its power is 60KW ~ 90KW.
2nd, exciting hammer bottom flange is connected with vibration air-pressure tube, and the power that vibration pneumatics pipe diameter is hammered into shape according to exciting selects
Match somebody with somebody, because vibration pneumatics pipe diameter determines reinforcing soft soil effective range, therefore preferably select 600 or so seamless steel pipe.Vibration is empty
Pressure pipe length determines for required depth of burying, it is noted that must ensure to seal during two section seamless pipes welding, water-tight no gas leakage.
3rd, closed valve is set on vibration air-pressure tube top, valve uses hinge rebounding type, when palpus is hammered into shape using mesopore exciting
During to setting other purposes in pipe, then the valve need only be depressed, so that it may carry out other construction technologies.In vibration pneumatics strengthening construction
When, the valve must then ensure to seal, and directly can also be closed with iron plate.
4th, in order that this Device-General is in other equipment, a tractor serves several purposes is accomplished, therefore in vibration pneumatics pipe outer wall perforate
One material filling mouth is set, in order to be constructed for filler, rubber closed valve is set in material filling intraoral wall, the valve is using filler
During construction, valve top can be opened easily from the sand material of material filling mouth injection, in not material filling, then closed material filling mouth.
5th, in material filling mouth offside 180 degree position（That is pipe offside）Gas injection port is set, and welds air pressure pipe connected pipe.The connection
Pipe connects air compressor by the high-voltage tube of rubber.Air compressor can be fixed on operator side, be controlled by operator
System.
6th, vibration air-pressure tube, which buries, holds welding cone gate, vibrates pneumatics soil-entering resistance to reduce.When vibration air-pressure tube enters
When native, using manually will multi-disc flap valve closure after insert the soil body；When being pulled out on steel pipe, cone gate automatically opens up.
Above-mentioned pneumatics ruggedized equipment can also use Static pressure pile driver to embrace pressure construction in addition to using existing Vibation pile placing machine, or
Constructed using crane.
Use pneumatics ruggedized equipment carry out reinforced soft soil ground construction method the step of for：
Step 1: assembling pneumatics ruggedized equipment
Step 2: vibration pneumatics construction method
2.1st, according to the technical indicator of geology exploration report combination design, determine that grid is arranged in pneumatics reinforcement point, it is empty
Reinforcement point effective reinforced area is pressed when being 3 ~ 4 times of vibration pneumatics pipe diameter under soil property preferably soil condition, when soil property is to become silted up
Under conditions of soil, then pneumatics reinforcement point effective reinforced area is vibrate pneumatics pipe diameter 4 ~ 5 times.Such as interlayer soil and complexity
Ground, then need according to determining to layout spacing after experiment.
2.2nd, in work progress, by will vibration air-pressure tube insert the soil body needed for depth, be then turned on air compressor,
Make after compression gas-pressure reaches 60KPa in pipe, gradually lifting, during air-pressure tube is vibrated in lifting, shown according to air gauge
Air pressure, it is determined that lifting speed, controls standard to keep 60KPa for air pressure.
2.3rd, to the preferable weak soil of the soil properties such as miscellaneous fill layer and silty clay using vibration pneumatics consolidation process, then between
Gap opens the mode of air compressor, forms the impulsive force to the soil body using gap air pressure, improves the compactness of the soil body.
Step 3: ancillary method（Referring to Fig. 2）
3.1st, precipitation well point 12 is arranged：According to Design of Reinforcement depth, it is determined that using precipitation method；Shallow-layer 6 ~ 8m reinforcement depths
Vacuum well-point dewatering or tube well dewatering mode can be used, can also take simple trench digging forced-ventilated method.At below deep layer 8m reinforcings
Reason, then need to set batch vacuum well-points dewatering or light well point combination plastic draining board well point mode.
3.1.1, precipitation well point is arranged among two pneumatics reinforcement points 11, and its main purpose is in addition to water content of soil is reduced
Also reach the excess pore water pressure in the soil body after rapid dispersion pneumatics is reinforced, final purpose is for the rapidly solidified soil body.
3.1.2 after, determining pneumatics point arrangement grid according to soil condition, according to " precipitation well point is arranged on two pneumatics and added
Among solid point " this principle arrangement precipitation well point grid.
3.1.3, after the completion of precipitation well point grid arrangement, each precipitation well point is connected, and vavuum pump is connected to by supervisor, when
When deep layer is using layering precipitation well point, then it should be noted that same layering connects the principle of a vavuum pump, fine horse is true into different layerings
Empty pump link circuit, it is ensured that dewatering effect.
3.1.4, after the completion of each precipitation well point connection, after checking good seal, you can turn on pump precipitation, after 3 ~ 5 days precipitation,
Under conditions of level of ground water drops to 2 ~ 4m, you can carry out vibrating pneumatics reinforcing into pneumatics ruggedized equipment.
3.1.5 in pneumatics reinforcing process is vibrated, precipitation normal operation need to be ensured, to because of the well for hindering vibration pneumatics to reinforce
Point can take temporary transient termination of pumping or stop well point operation, but connecting line, guarantee must be dropped immediately after the completion of vibration pneumatics reinforcement point or area
Water is normal.
3.2nd, shallow layer reinforcement：Because pneumatics method for strengthening mainly solves deep-layer reinforcing processing, 0 ~ 3m of shallow-layer reinforces through pneumatics
After can produce loosened soil phenomenon, this shallow-layer can be used vibroroller cmpacting or it is full the measure such as ram, to reach the closely knit purpose in top layer.
Shallow layer reinforcement can reinforce the present situation of groundwork soil according to pneumatics, if meeting that equipment enters, then can be reinforced in pneumatics
Enter vibroroller cmpacting afterwards or dynamic compaction machinery carries out full rammer；It can not such as meet that equipment enters, then after can waiting soil stabilization（Generally 30
My god）, shallow layer reinforcement processing is carried out into equipment.
3.3rd, detection is delivered：After being reinforced using pneumatics method for strengthening, it need to could be detected after soil stabilization 30 days,
In this stationary phase, precipitation normal operation should be kept.Shallow layer reinforcement processing should be carried out before delivering detection.
Claims (5)
1. a kind of pneumatics ruggedized equipment, it is characterised in that it includes vibration hammer（2）With vibration air-pressure tube（9）, vibrate air-pressure tube（9）
For seamless steel pipe, vibration hammer（2）Connection vibration air-pressure tube（9）Top, vibration hammer（2）Vibration hammer mesopore（1）It is empty with vibration
Pressure pipe（9）On same vertical line, air-pressure tube is vibrated（9）Top（3）For closed valve, air-pressure tube is vibrated（9）Side
Gas injection port is set（6）, gas injection port（6）Place sets gas injection port valve（7）, vibrate air-pressure tube（9）Lower end be provided with multi-disc flap valve
（10）The cone gate of composition.
A kind of 2. pneumatics ruggedized equipment according to claim 1, it is characterised in that vibration air-pressure tube（9）Upper setting material filling mouth
（5）, material filling mouth（5）The vibration air-pressure tube of corresponding position（9）Material filling mouth valve is set（4）.
A kind of 3. pneumatics ruggedized equipment according to claim 1, it is characterised in that vibration air-pressure tube（9）On be provided with water filling
Mouthful（8）, water filling port（8）The vibration air-pressure tube of corresponding position（9）Water filling port valve is set.
A kind of 4. pneumatics ruggedized equipment according to claim 1, it is characterised in that flap valve（10）Quantity be 4-6 pieces.
A kind of 5. pneumatics ruggedized equipment according to claim 1, it is characterised in that gas injection port（6）Place is connected by high-voltage tube
Air compressor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720281772.6U CN207003405U (en) | 2017-03-22 | 2017-03-22 | Pneumatics ruggedized equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720281772.6U CN207003405U (en) | 2017-03-22 | 2017-03-22 | Pneumatics ruggedized equipment |
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| Publication Number | Publication Date |
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| CN207003405U true CN207003405U (en) | 2018-02-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720281772.6U Expired - Fee Related CN207003405U (en) | 2017-03-22 | 2017-03-22 | Pneumatics ruggedized equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108680483A (en) * | 2018-05-23 | 2018-10-19 | 中南大学 | A kind of soil in-situ apparatus for measuring permeability coefficient and test method |
-
2017
- 2017-03-22 CN CN201720281772.6U patent/CN207003405U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108680483A (en) * | 2018-05-23 | 2018-10-19 | 中南大学 | A kind of soil in-situ apparatus for measuring permeability coefficient and test method |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180213 Termination date: 20210322 |